/*
Theme Name: OSONOE.JP
Theme URI: https://osonoe.jp/
Author: OSONOE
Author URI: https://osonoe.jp/
Description: 記録するために、ここへ来た。OSONOE.JPは、球体の中に景色と時間を残し、今日の観測を明日の記憶へつないでいくための写真家サイトです。PHOTOGRAPHS / DIMENSION / CHRONICLE / JOURNAL / SIGNALを軸に、写真を主役にした静かな空間体験と長期アーカイブを構成します。
Version: 1.37.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: osonoe
License: GPL-2.0-or-later
*/

:root {
  --os-heading-font: "Oswald", "Noto Sans JP", Arial, sans-serif;
  --os-heading-weight: 300;
  --os-body-font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --os-body-weight: 400;
  --os-bg: #050505;
  --os-surface: #0c0c0c;
  --os-surface-2: #121212;
  --os-text: #f5f4ef;
  --os-muted: #5d5b56;
  --os-text-muted: #5d5b56;
  --os-line: rgba(245,244,239,.16);
  --os-line-strong: rgba(245,244,239,.28);
  --os-max: 1240px;
  --os-gutter: clamp(18px, 4vw, 56px);
  --os-radius: 14px;
  --os-ease: cubic-bezier(.22,.61,.36,1);
  /* Header overlay: 0 = transparent, 1 = solid black. */
  --os-header-bg-alpha: .60;
  --os-header-blur: 14px;
  --os-serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { background: var(--os-bg); scroll-behavior: smooth; }
body { margin: 0; background: var(--os-bg); color: var(--os-text); font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; font-size: 16px; font-weight: var(--os-body-weight); line-height: 1.75; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; font-synthesis: none; }
body.is-menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, video, canvas { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
::selection { background: #fff; color: #000; }

.os-container { width: min(calc(100% - (var(--os-gutter) * 2)), var(--os-max)); margin-inline: auto; }
.os-section { padding-block: clamp(72px, 10vw, 140px); border-top: 1px solid var(--os-line); }
.os-eyebrow { margin: 0 0 12px; color: var(--os-muted); font-size: 10px; font-weight: 600; letter-spacing: .22em; line-height: 1.4; text-transform: uppercase; }
.os-heading {
  font-family: var(--os-heading-font); margin: 0; font-size: clamp(2rem, 7vw, 5rem); font-weight: var(--os-heading-weight); letter-spacing: .005em; line-height: 1.05; }
.os-lead { max-width: 44rem; margin: 20px 0 0; color: var(--os-muted); font-size: clamp(15px, 1.8vw, 18px); }
.os-meta { color: var(--os-muted); font-size: 11px; letter-spacing: .08em; }
.os-button { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 9px 16px; border: 1px solid var(--os-line-strong); border-radius: 999px; background: transparent; color: var(--os-text); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; transition: background .3s var(--os-ease), color .3s var(--os-ease), transform .3s var(--os-ease); }
.os-button:hover { background: var(--os-text); color: #000; transform: translateY(-2px); }
.os-arrow { font-size: 15px; line-height: 1; }
.os-screen-reader { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }

/* Header */
.os-header { position: fixed; z-index: 1000; inset: 0 0 auto; padding: 14px var(--os-gutter); pointer-events: none; background: rgb(5 5 5 / var(--os-header-bg-alpha)); backdrop-filter: blur(var(--os-header-blur)); -webkit-backdrop-filter: blur(var(--os-header-blur)); }
.os-header__inner { display: flex; align-items: center; justify-content: space-between; max-width: var(--os-max); margin-inline: auto; }
.os-brand { display: inline-flex; flex-direction: column; gap: 1px; pointer-events: auto; }
.os-brand__name { font-family: var(--os-heading-font); font-size: 14px; font-weight: var(--os-heading-weight); letter-spacing: .14em; line-height: 1.2; }
.os-brand__tagline { color: var(--os-muted); font-size: 8px; letter-spacing: .18em; line-height: 1.2; text-transform: uppercase; }
.os-menu-toggle { display: inline-grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--os-line); border-radius: 50%; background: rgba(5,5,5,.58); backdrop-filter: blur(14px); cursor: pointer; pointer-events: auto; }
.os-menu-toggle__bars { display: grid; gap: 5px; width: 18px; }
.os-menu-toggle__bars > span { display: block; width: 18px; height: 1px; background: currentColor; transform-origin: center; transition: transform .3s var(--os-ease), opacity .2s var(--os-ease); }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars > span:nth-child(2) { opacity: 0; }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.os-nav { position: fixed; z-index: 1100; inset: 0; display: block; min-height: 100vh; min-height: 100dvh; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; padding: 96px var(--os-gutter) 40px; background: rgba(5,5,5,.98); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .35s var(--os-ease), visibility .35s var(--os-ease); }
.os-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.os-nav__close { position: absolute; top: max(18px, env(safe-area-inset-top)); right: max(var(--os-gutter), env(safe-area-inset-right)); display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 2px 8px 12px; border: 0; background: transparent; color: var(--os-muted); font-family: var(--os-heading-font); font-size: 10px; letter-spacing: .16em; cursor: pointer; }
.os-nav__close-mark { position: relative; width: 18px; height: 18px; display: block; }
.os-nav__close-mark::before, .os-nav__close-mark::after { content: ""; position: absolute; inset: 50% 0 auto; height: 1px; background: currentColor; transform-origin: center; }
.os-nav__close-mark::before { transform: translateY(-50%) rotate(45deg); }
.os-nav__close-mark::after { transform: translateY(-50%) rotate(-45deg); }
.os-nav__origin { width: min(100%, 720px); margin: 0 auto 6px; border-bottom: 1px solid var(--os-line); }
.os-nav__origin a { display: flex; align-items: baseline; justify-content: flex-start; gap: 14px; padding: 10px 0 18px; }
.os-nav__origin-title { font-family: var(--os-heading-font); font-size: clamp(1.5rem, 6vw, 2.8rem); font-weight: var(--os-heading-weight); letter-spacing: .04em; line-height: 1; }
.os-nav__origin-sub { color: var(--os-muted); font-size: 10px; letter-spacing: .12em; }
.os-nav ul { width: min(100%, 720px); margin: 0 auto; padding: 0; list-style: none; }
.os-nav li { border-bottom: 1px solid var(--os-line); }
.os-nav a { display: flex; font-family: var(--os-heading-font); align-items: center; justify-content: space-between; padding: 15px 0; font-size: clamp(1.8rem, 7vw, 4rem); font-weight: var(--os-heading-weight); letter-spacing: .015em; line-height: 1.1; }
.os-nav a::after { content: "↗"; color: var(--os-muted); font-size: 1rem; }
.os-social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.os-social a.os-social__link { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; gap: 0; padding: 0; border: 1px solid transparent; border-radius: 50%; color: var(--os-muted); font-size: 10px; letter-spacing: 0; }

/* Hero */
.os-hero { position: relative; min-height: 100svh; overflow: hidden; display: grid; align-items: center; background: radial-gradient(circle at 50% 48%, rgba(255,255,255,.055), transparent 31%), #050505; isolation: isolate; }
.os-hero::before { content: ""; position: absolute; inset: 9%; z-index: -1; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; box-shadow: 0 0 100px rgba(255,255,255,.04); }
.os-orb--wireframe { background: radial-gradient(circle at 50% 45%, rgba(255,255,255,.045), transparent 58%), #080808; }
.os-orb__wireframe { position: absolute; inset: 5%; width: 90%; height: 90%; fill: none; stroke: rgba(245,244,239,.28); stroke-width: 1.15; opacity: .9; transform: rotate(-14deg) scaleY(.92); }
.os-orb--wireframe::after { background: radial-gradient(circle at 35% 25%, rgba(255,255,255,.08), transparent 10%), linear-gradient(115deg, transparent 42%, rgba(0,0,0,.28) 80%); }
.os-hero__grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 80px 80px; mask-image: radial-gradient(circle, #000 0, transparent 68%); pointer-events: none; }
.os-hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: 22px; align-items: center; padding-block: 92px 62px; }
.os-hero__copy { position: relative; z-index: 3; }
.os-hero__title {
  font-family: var(--os-heading-font); margin: 0; font-size: clamp(3rem, 15vw, 8rem); font-weight: var(--os-heading-weight); letter-spacing: .005em; line-height: .9; }
.os-hero__subtitle { margin: 14px 0 0; font-size: 12px; letter-spacing: .22em; text-transform: uppercase; }
.os-hero__text { max-width: 32rem; margin: 28px 0 0; color: var(--os-muted); font-size: 14px; }
.os-hero__signal { margin-top: 28px; color: var(--os-text); font-size: 10px; letter-spacing: .17em; text-transform: uppercase; }
.os-orb-wrap { position: relative; width: min(94vw, 620px); aspect-ratio: 1; margin-inline: auto; }
.os-orb { position: absolute; inset: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: radial-gradient(circle at 35% 25%, rgba(255,255,255,.4), transparent 8%), radial-gradient(circle at 55% 60%, rgba(255,255,255,.06), transparent 55%), #111; box-shadow: inset -28px -22px 60px rgba(0,0,0,.72), inset 15px 18px 35px rgba(255,255,255,.08), 0 0 80px rgba(255,255,255,.08); animation: os-orb-float 7s ease-in-out infinite; }
.os-orb::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle at 32% 23%, rgba(255,255,255,.42), transparent 9%), linear-gradient(115deg, transparent 40%, rgba(0,0,0,.25) 78%); pointer-events: none; }
.os-orb__image { position: absolute; top: 0; left: -50%; width: 200%; height: 100%; max-width: none; object-fit: cover; animation: os-orb-pan 22s linear infinite; filter: saturate(.9) contrast(1.04); }
.os-orb__ring { position: absolute; inset: -6%; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; transform: rotate(-14deg) scaleY(.42); pointer-events: none; }
.os-orb__ring::after { content: ""; position: absolute; top: 50%; left: 0; width: 7px; height: 7px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: #050505; transform: translate(-50%,-50%); }
.os-hero__side { display: none; }
.os-scroll { position: absolute; z-index: 4; bottom: 22px; left: var(--os-gutter); display: inline-flex; align-items: center; gap: 9px; color: var(--os-muted); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; }
.os-scroll::before { content: "+"; display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--os-line); border-radius: 50%; color: var(--os-text); }
@keyframes os-orb-pan { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes os-orb-float { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-8px) rotate(.5deg); } }

/* Cards / galleries */
.os-section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.os-section-head__copy { min-width: 0; }
.os-section-head__action { flex: 0 0 auto; }
.os-grid { display: grid; gap: 12px; }
.os-grid--photos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.os-card { min-width: 0; }
.os-card__media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--os-surface); }
.os-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--os-ease), filter .5s var(--os-ease); }
.os-card:hover .os-card__media img { transform: scale(1.035); }
.os-card__body { padding: 12px 2px 0; }
.os-card__title { font-family: var(--os-heading-font); margin: 0; font-size: 14px; font-weight: var(--os-heading-weight); line-height: 1.35; }
.os-card__meta { margin-top: 5px; color: var(--os-muted); font-size: 10px; letter-spacing: .05em; }
.os-card__taxonomy { margin-top: 6px; color: var(--os-text-muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.os-card__taxonomy--camera { font-family: var(--os-heading-font); letter-spacing: .06em; }
.os-timeline__meta { margin-top: 10px; color: var(--os-muted); font-family: var(--os-heading-font); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.os-empty { padding: 28px; border: 1px dashed var(--os-line); color: var(--os-muted); }

/* Dimension */
.os-dimension { background: #080808; }
.os-dimension__frame { position: relative; overflow: hidden; min-height: 56vw; max-height: 720px; background: #111; }
.os-dimension__frame img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.os-dimension__overlay { position: absolute; inset: auto 0 0; padding: 70px 22px 22px; background: linear-gradient(transparent, rgba(0,0,0,.8)); }
.os-dimension__badge { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 110px; height: 110px; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; transform: translate(-50%,-50%); text-align: center; font-size: 12px; letter-spacing: .15em; }
.os-dimension__badge::before, .os-dimension__badge::after { content: ""; position: absolute; width: 18px; height: 1px; background: #fff; }
.os-dimension__badge::before { top: 17px; transform: rotate(30deg); }
.os-dimension__badge::after { bottom: 17px; transform: rotate(-30deg); }

/* Chronicle */
.os-chronicle { overflow: hidden; }
.os-timeline { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 28px; overflow-x: auto; padding-bottom: 18px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.os-timeline__item { position: relative; min-height: 210px; padding-top: 15px; border-top: 1px solid var(--os-line-strong); scroll-snap-align: start; }
.os-timeline__item::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border: 1px solid var(--os-text); border-radius: 50%; background: var(--os-bg); }
.os-timeline__year { font-size: 11px; letter-spacing: .18em; }
.os-timeline__title { font-family: var(--os-heading-font); margin: 12px 0 0; font-size: 18px; font-weight: var(--os-heading-weight); line-height: 1.25; }
.os-timeline__excerpt { margin: 10px 0 0; color: var(--os-muted); font-size: 12px; }
.os-timeline__image { width: 100%; aspect-ratio: 16/9; margin-top: 18px; object-fit: cover; }

/* Lists */
.os-three-col { display: grid; gap: 32px; }
.os-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--os-line); }
.os-list li { border-bottom: 1px solid var(--os-line); }
.os-list a { display: grid; grid-template-columns: 76px 1fr auto; gap: 12px; align-items: center; padding: 14px 0; }
.os-list__date { color: var(--os-muted); font-size: 10px; }
.os-list__title { font-size: 13px; line-height: 1.4; }
.os-list__arrow { color: var(--os-muted); }
.os-instagram { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.os-instagram a { display: block; aspect-ratio: 3 / 4; overflow: hidden; background: var(--os-surface); }
.os-instagram img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--os-ease); }
.os-instagram a:hover img { transform: scale(1.04); }
.os-latest__intro { display: grid; gap: clamp(40px, 6vw, 88px); }
.os-latest__journal-action { margin: 18px 0 0; }
.os-text-link { display: inline-flex; align-items: center; gap: .65em; color: var(--os-muted); font-family: var(--os-heading-font); font-size: 11px; font-weight: var(--os-heading-weight); letter-spacing: .08em; transition: color .25s var(--os-ease); }
.os-text-link:hover, .os-text-link:focus-visible { color: var(--os-text); }
.os-latest__photos .os-eyebrow { margin-bottom: 18px; }
.os-grid--latest-mini { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.os-grid--latest-mini .os-card__media { aspect-ratio: 3 / 4; }
.os-latest__instagram { margin-top: 0; }
.os-section-head--instagram { margin-bottom: 18px; }

/* Next observation */
.os-next { position: relative; overflow: hidden; min-height: 320px; display: grid; align-items: center; background: #090909; }
.os-next__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.os-next::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.85), rgba(0,0,0,.2), rgba(0,0,0,.85)); }
.os-next__inner { position: relative; z-index: 2; display: flex; align-items: end; justify-content: space-between; gap: 28px; }
.os-next__copy { max-width: 560px; }
.os-next__phrase { margin-top: 10px; color: var(--os-muted); font-size: 14px; line-height: 1.85; letter-spacing: .03em; }

/* Singular / archives */
.os-page { padding-top: 120px; }
.os-page__header { padding-block: 72px 44px; }
.os-page__header p { max-width: 44rem; margin: 20px 0 0; color: var(--os-muted); font-size: clamp(15px, 1.8vw, 18px); line-height: 1.8; }
.os-breadcrumbs { margin-bottom: 20px; color: var(--os-muted); font-size: 10px; letter-spacing: .08em; }
.os-single__hero { margin-bottom: 42px; }
.os-single__hero img { width: 100%; max-height: 78vh; object-fit: cover; }
.os-single__body { max-width: 780px; margin-inline: auto; }
.os-origin-page .os-page__header { padding-bottom: 56px; }
.os-origin__body { max-width: 780px; padding-bottom: clamp(96px, 14vw, 180px); }
.os-origin__body > p:first-child { font-size: clamp(19px, 2.6vw, 28px); line-height: 1.7; }
.os-origin__body h2 { margin-top: 3.5em; font-family: var(--os-heading-font); font-size: clamp(1.5rem, 4vw, 2.4rem); font-weight: var(--os-heading-weight); letter-spacing: .03em; }
.os-origin__body h3 { margin-top: 2.5em; }

.os-single__body > * + * { margin-top: 1.25em; }
.os-single__body h2, .os-single__body h3 { line-height: 1.2; font-weight: 500; }
.os-single__body blockquote { margin: 2rem 0; padding-left: 18px; border-left: 1px solid var(--os-line-strong); color: var(--os-muted); }
.os-details { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px 30px; margin: 30px 0 50px; padding: 22px 0; border-block: 1px solid var(--os-line); }
.os-details dt { color: var(--os-muted); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.os-details dd { margin: 2px 0 0; font-size: 13px; }
.os-related { margin-top: 60px; }

/* 360 viewer / Pannellum */
.os-viewer { position: relative; overflow: hidden; aspect-ratio: 2/1; min-height: 300px; background: #111; border: 1px solid var(--os-line); touch-action: none; user-select: none; -webkit-user-select: none; }
.os-viewer__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.os-viewer__canvas .pnlm-container { width: 100% !important; height: 100% !important; background: #111; font-family: var(--os-heading-font), sans-serif; }
.os-viewer__canvas .pnlm-controls-container { opacity: .78; }
.os-viewer__canvas .pnlm-control { border-color: rgba(255,255,255,.16); background-color: rgba(0,0,0,.58); }
.os-viewer__canvas .pnlm-control:hover { background-color: rgba(0,0,0,.78); }
.os-viewer__canvas .pnlm-load-box { background: rgba(0,0,0,.68); border: 1px solid rgba(255,255,255,.12); }
.os-viewer__canvas .pnlm-load-button { background-color: rgba(0,0,0,.72); border: 1px solid rgba(255,255,255,.18); }
.os-viewer__canvas .pnlm-load-button p { font-family: var(--os-heading-font), sans-serif; letter-spacing: .08em; }
.os-viewer__fallback { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #111; z-index: 1; }
.os-viewer.is-loaded .os-viewer__fallback { display: none; }
.os-viewer__fullscreen-exit {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  z-index: 20;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  background: rgba(0,0,0,.58);
  backdrop-filter: blur(10px);
  cursor: pointer;
}
.os-viewer__fullscreen-exit::before,
.os-viewer__fullscreen-exit::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 1px;
  background: #fff;
}
.os-viewer__fullscreen-exit::before { transform: translate(-50%,-50%) rotate(45deg); }
.os-viewer__fullscreen-exit::after { transform: translate(-50%,-50%) rotate(-45deg); }
.os-viewer__fullscreen-exit:focus-visible { outline: 1px solid #fff; outline-offset: 3px; }
.os-viewer.is-app-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  width: 100vw;
  height: 100svh;
  max-width: none;
  max-height: none;
  min-height: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  aspect-ratio: auto;
  background: #000;
}
@supports (height: 100dvh) {
  .os-viewer.is-app-fullscreen { height: 100dvh; }
}
.os-viewer.is-app-fullscreen .os-viewer__canvas,
.os-viewer.is-app-fullscreen .os-viewer__canvas .pnlm-container { width: 100% !important; height: 100% !important; }
.os-viewer.is-app-fullscreen .os-viewer__fallback { object-fit: contain; }
html.os-dimension-fullscreen,
body.os-dimension-fullscreen { overflow: hidden !important; }
body.os-dimension-fullscreen .os-header,
body.os-dimension-fullscreen .os-footer { visibility: hidden; }
.os-viewer__hud {
  position: absolute; inset: 0; z-index: 18; pointer-events: none; opacity: 0; visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.os-viewer.is-app-fullscreen .os-viewer__hud,
.os-viewer.is-pannellum-fullscreen .os-viewer__hud { opacity: 1; visibility: visible; }
.os-viewer__hud-top,
.os-viewer__hud-bottom {
  position: absolute; left: max(18px, env(safe-area-inset-left)); right: max(18px, env(safe-area-inset-right));
  display: flex; align-items: center; justify-content: space-between;
}
.os-viewer__hud-top { top: max(18px, env(safe-area-inset-top)); }
.os-viewer__hud-bottom { bottom: max(18px, env(safe-area-inset-bottom)); }
.os-viewer__hud-brand,
.os-viewer__hud-view,
.os-viewer__hud-button {
  font-family: var(--os-heading-font), sans-serif; font-size: 10px; font-weight: var(--os-heading-weight);
  letter-spacing: .14em; line-height: 1; color: rgba(255,255,255,.88);
}
.os-viewer__hud-view {
  padding: 9px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px;
  background: rgba(0,0,0,.18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.os-viewer__hud-label { opacity: .42; font-size: .82em; }
.os-viewer__hud-sep { margin: 0 7px; opacity: .38; }
.os-viewer__hud-button {
  pointer-events: auto; padding: 10px 13px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px;
  background: rgba(0,0,0,.18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
}
.os-viewer__hud-button.is-active { background: rgba(255,255,255,.16); color: #fff; }
.os-viewer__hud-button + .os-viewer__hud-button { margin-left: 7px; }
.os-viewer__hud-button:focus-visible { outline: 1px solid #fff; outline-offset: 3px; }
@media (max-width:699px) {
  .os-viewer__hud-brand { font-size: 9px; }
  .os-viewer__hud-view, .os-viewer__hud-button { font-size: 9px; padding: 9px 11px; }
}



/* v1.9.9: Photograph year index and year archives. */
.os-archive-tools { display: flex; justify-content: flex-end; margin: 0 0 24px; }
.os-photograph-year-archive .os-page__header-copy { max-width: 650px; color: var(--os-muted); }
.os-year-list { border-top: 1px solid var(--os-line); }
.os-year-list__item {
  display: grid;
  grid-template-columns: 1fr auto 24px;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--os-line);
  font-family: var(--os-heading-font);
}
.os-year-list__year { font-size: clamp(1.8rem, 6vw, 3.4rem); font-weight: var(--os-heading-weight); line-height: 1; letter-spacing: .02em; }
.os-year-list__count { color: var(--os-muted); font-size: 10px; letter-spacing: .12em; }
.os-year-list__arrow { color: var(--os-muted); font-size: 14px; text-align: right; }
.os-year-list__item:hover .os-year-list__arrow,
.os-year-list__item:focus-visible .os-year-list__arrow { color: var(--os-text); }
.os-photograph-year-archive .os-grid--photos { margin-top: 8px; }
.os-pagination { margin-top: 40px; }
.os-pagination ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.os-pagination a,
.os-pagination span { display: grid; place-items: center; min-width: 34px; min-height: 34px; padding: 5px 9px; border: 1px solid var(--os-line); font-family: var(--os-heading-font); font-size: 10px; letter-spacing: .08em; }
.os-pagination .current { border-color: var(--os-line-strong); }

/* Footer */
.os-footer { padding: 48px 0 28px; border-top: 1px solid var(--os-line); }
.os-footer__grid { display: grid; gap: 28px; }
.os-footer__brand { font-size: 13px; letter-spacing: .14em; }
.os-footer__nav { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--os-muted); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.os-footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 30px; color: var(--os-muted); font-size: 9px; }

@media (min-width: 760px) {
  .os-header { padding-top: 20px; }
  .os-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(320px, 1.15fr); gap: 4vw; min-height: 100svh; }
  .os-hero__copy { text-align: left; }
  .os-orb-wrap { width: min(52vw, 680px); }
  .os-hero__side { position: absolute; right: 0; top: 50%; display: block; width: 190px; transform: translateY(-50%); }
  .os-hero__side-title { margin: 0 0 12px; color: var(--os-muted); font-size: 10px; letter-spacing: .2em; }
  .os-hero__side ul { margin: 0; padding: 0; list-style: none; }
  .os-hero__side li { padding: 10px 0; border-top: 1px solid var(--os-line); font-size: 10px; }
  .os-grid--photos { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .os-grid--photos .os-card:nth-child(3n+1) { transform: translateY(22px); }
  .os-three-col { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
  .os-instagram { gap: 10px; }
  .os-grid--latest-mini { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
  .os-latest__intro { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 80px); align-items: start; }
  .os-footer__grid { grid-template-columns: 1fr auto; align-items: start; }
}

@media (min-width: 1080px) {
  .os-menu-toggle { display: none; }
  .os-nav__close, .os-nav__origin { display: none; }
  .os-nav { position: static; inset: auto; display: block; padding: 0; background: transparent; opacity: 1; visibility: visible; pointer-events: auto; }
  .os-nav ul { width: auto; display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); }
  .os-nav li { border: 0; }
  .os-nav a { padding: 0; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
  .os-nav a::after { display: none; }
  .os-hero__inner { grid-template-columns: minmax(280px, .75fr) minmax(400px, 1.3fr) 190px; }
  .os-hero__side { position: static; width: auto; transform: none; }
  .os-orb-wrap { width: min(46vw, 720px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* Typography */
body.osonoe-font-oswald { --os-heading-font: "Oswald", "Noto Sans JP", Arial, sans-serif; }
body.osonoe-font-jost { --os-heading-font: "Jost", "Noto Sans JP", Arial, sans-serif; }
body.osonoe-font-space-grotesk { --os-heading-font: "Space Grotesk", "Noto Sans JP", Arial, sans-serif; }
body.osonoe-font-ibm-plex-sans { --os-heading-font: "IBM Plex Sans", "Noto Sans JP", Arial, sans-serif; }
body.osonoe-font-manrope { --os-heading-font: "Manrope", "Noto Sans JP", Arial, sans-serif; }
body.osonoe-font-system { --os-heading-font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif; }

/* v1.7.6: Safari/WebKit webfont hardening. Keep English display typography on the selected webfont instead of letting mixed-script fallback or font synthesis alter it. */
.osonoe-theme .os-heading,
.osonoe-theme .os-hero__title,
.osonoe-theme .os-brand__name,
.osonoe-theme .os-nav a,
.osonoe-theme .os-nav__close,
.osonoe-theme .os-nav__origin-title,
.osonoe-theme .os-card__title,
.osonoe-theme .os-timeline__title,
.osonoe-theme .os-text-link,
.osonoe-theme .os-next-phase__brand,
.osonoe-theme .os-next-phase__status,
.osonoe-theme .os-next-phase__eyebrow,
.osonoe-theme .os-next-phase__hero h1,
.osonoe-theme .os-next-phase__future,
.osonoe-theme .os-next-phase__section-title h2,
.osonoe-theme .os-next-phase__links a,
.osonoe-theme .os-next-phase__continue p,
.osonoe-theme .os-next-phase__footer {
  font-family: var(--os-heading-font);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

/* Google Fonts can finish after first paint on iOS Safari. Do not replace the selected face with an OS font while it loads. */
.osonoe-theme .os-heading,
.osonoe-theme .os-hero__title,
.osonoe-theme .os-nav a {
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

/* v1.1 S-priority content modules */
.os-featured{padding:clamp(44px,8vw,100px) 0;border-top:1px solid var(--os-line);border-bottom:1px solid var(--os-line)}
.os-featured__inner{display:grid;gap:28px;align-items:end}
.os-featured__media{display:block;overflow:hidden;background:var(--os-surface);aspect-ratio:16/9}
.os-featured__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--os-ease)}
.os-featured__media:hover img{transform:scale(1.025)}
.os-observation{padding:34px 0;border-bottom:1px solid var(--os-line)}
.os-observation__inner{display:flex;gap:24px;align-items:end;justify-content:space-between}
.os-observation .os-heading{margin-top:8px;font-size:clamp(1.7rem,5vw,3rem)}
.os-related{margin-top:48px;padding-top:28px;border-top:1px solid var(--os-line)}
.os-related h2{font-size:10px;letter-spacing:.18em;font-weight:500;color:var(--os-muted);margin:0 0 10px;text-transform:uppercase}
.os-related a{font-size:14px}
@media (min-width:760px){.os-featured__inner{grid-template-columns:minmax(220px,.55fr) minmax(0,1.45fr)}.os-featured__copy{padding-bottom:10px}}
@media (max-width:560px){.os-observation__inner{display:block}.os-observation .os-button{margin-top:18px}.os-featured__copy .os-button{margin-top:12px}}

/* Maintenance / temporary signal page */
.osonoe-maintenance { min-height: 100svh; background: #070707; color: #f5f5f5; }
.osonoe-maintenance .os-header, .osonoe-maintenance .os-footer { display: none; }
.os-maintenance { position: relative; min-height: 100svh; display: grid; place-items: center; overflow: hidden; isolation: isolate; background: radial-gradient(circle at 72% 38%, rgba(255,255,255,.08), transparent 25%), #070707; }
.os-maintenance__inner { position: relative; z-index: 2; width: min(100% - 40px, 720px); padding: 72px 0 36px; }
.os-maintenance__noise { position: absolute; inset: -50%; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); pointer-events:none; }
.os-maintenance__orb { position: absolute; z-index: 1; width: min(78vw, 560px); aspect-ratio: 1; right: -18vw; top: 8%; border-radius: 50%; background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.2), rgba(255,255,255,.035) 38%, transparent 64%); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 0 100px rgba(255,255,255,.04), inset 0 0 70px rgba(255,255,255,.04); animation: os-maintenance-orbit 18s linear infinite; }
.os-maintenance__orb::before, .os-maintenance__orb::after { content:""; position:absolute; inset: 7%; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; transform: rotate(28deg) skewX(-16deg); }
.os-maintenance__orb::after { inset: 18%; transform: rotate(-34deg) skewX(12deg); }
.os-maintenance__orb span { position:absolute; width: 8px; height:8px; left: 18%; top: 25%; border-radius:50%; background:#fff; box-shadow: 0 0 18px rgba(255,255,255,.8); }
.os-maintenance__code { margin: 14px 0 0; color: var(--os-muted); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; }
.os-maintenance h1 { max-width: 680px; margin: 24px 0 18px; font-family: var(--os-heading-font); font-size: clamp(36px, 9vw, 76px); line-height: .98; letter-spacing: -.045em; font-weight: var(--os-heading-weight); text-transform: uppercase; }
.os-maintenance__text { max-width: 540px; color: #c8c8c8; font-size: 14px; line-height: 1.9; }
.os-maintenance__links { width: min(100%, 520px); margin-top: 48px; }
.os-maintenance__label { margin: 0 0 10px; color: var(--os-muted); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; }
.os-maintenance__link-list { border-top: 1px solid rgba(255,255,255,.16); }
.os-maintenance__link-list a { display:flex; justify-content:space-between; align-items:center; gap:20px; padding: 16px 2px; border-bottom:1px solid rgba(255,255,255,.1); color:#f5f5f5; font-size:13px; letter-spacing:.08em; text-transform:uppercase; }
.os-maintenance__link-list a:hover { padding-inline: 8px; background: rgba(255,255,255,.04); }
.os-maintenance__footer { display:flex; justify-content:space-between; gap:20px; margin-top: 42px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); color: var(--os-muted); font-size: 9px; letter-spacing: .14em; }
@keyframes os-maintenance-orbit { to { transform: rotate(360deg); } }
@media (max-width: 600px) { .os-maintenance__inner { padding-top: 48px; } .os-maintenance__orb { width: 88vw; right: -44vw; top: 4%; opacity: .7; } .os-maintenance h1 { max-width: 92%; } .os-maintenance__footer { flex-direction:column; gap:8px; } }
@media (prefers-reduced-motion: reduce) { .os-maintenance__orb { animation: none; } }

/* NEXT PHASE temporary landing page */
.osonoe-maintenance { min-height:100svh; background:#03070d; color:#f4f7fb; }
.osonoe-maintenance .os-header, .osonoe-maintenance .os-footer { display:none; }
.os-next-phase { position:relative; min-height:100svh; overflow:hidden; isolation:isolate; background:radial-gradient(circle at 50% 34%, rgba(110,150,190,.08), transparent 28%), #03070d; }
.os-next-phase__inner { position:relative; z-index:5; width:min(100% - 40px, 1100px); margin:0 auto; padding:28px 0 26px; }
.os-next-phase__header { display:flex; justify-content:space-between; align-items:flex-start; gap:24px; }
.os-next-phase__brand { margin:0; font-family:var(--os-heading-font); font-size:clamp(18px,2vw,25px); letter-spacing:.18em; font-weight:500; }
.os-next-phase__subtitle { margin:6px 0 0; color:#9ca8b5; font-size:8px; letter-spacing:.24em; }
.os-next-phase__status { margin:4px 0 0; padding:9px 13px; border:1px solid rgba(255,255,255,.18); color:#aeb9c4; font-family:var(--os-heading-font); font-size:8px; letter-spacing:.18em; }
.os-next-phase__status span { font-size:7px; margin-right:6px; }
.os-next-phase__hero { width:min(100%,720px); min-height:56svh; display:flex; flex-direction:column; justify-content:center; padding:9svh 0 7svh; }
.os-next-phase__eyebrow { margin:0 0 18px; color:#9ba8b5; font-family:var(--os-heading-font); font-size:10px; letter-spacing:.28em; }
.os-next-phase__hero h1 { margin:0; font-family:var(--os-heading-font); font-size:clamp(42px,8vw,86px); line-height:.98; letter-spacing:-.05em; font-weight:500; max-width:850px; }
.os-next-phase__jp { margin:28px 0 0; max-width:560px; color:#c5cdd5; font-size:14px; line-height:2; }
.os-next-phase__future { margin:44px 0 0; font-family:var(--os-heading-font); color:#9eabb7; font-size:9px; letter-spacing:.25em; }
.os-next-phase__section-title { display:flex; align-items:center; gap:18px; }
.os-next-phase__section-title span { flex:1; height:1px; background:rgba(255,255,255,.14); }
.os-next-phase__section-title h2 { flex:none; margin:0; font-family:var(--os-heading-font); font-size:11px; font-weight:500; letter-spacing:.22em; }
.os-next-phase__links { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:8px; margin-top:18px; }
.os-next-phase__links a { display:flex; justify-content:space-between; align-items:center; gap:10px; min-height:64px; padding:15px; border:1px solid rgba(255,255,255,.11); background:rgba(255,255,255,.015); font-family:var(--os-heading-font); font-size:10px; letter-spacing:.14em; transition:background .35s ease,border-color .35s ease,transform .35s ease; }
.os-next-phase__links a:hover { background:rgba(255,255,255,.055); border-color:rgba(255,255,255,.25); transform:translateY(-2px); }
.os-next-phase__continue { display:grid; grid-template-columns:72px 1fr auto; align-items:center; gap:18px; margin-top:54px; padding:15px; border:1px solid rgba(255,255,255,.14); background:rgba(4,10,17,.55); backdrop-filter:blur(10px); }
.os-next-phase__mini-orb { width:64px; aspect-ratio:1; border-radius:50%; background:radial-gradient(circle at 34% 28%,rgba(255,255,255,.18),rgba(70,100,130,.07) 38%,transparent 68%); border:1px solid rgba(255,255,255,.18); box-shadow:inset 0 0 30px rgba(130,170,210,.08); animation:os-next-orb 12s linear infinite; }
.os-next-phase__continue p { margin:0 0 5px; font-family:var(--os-heading-font); font-size:10px; letter-spacing:.18em; }
.os-next-phase__continue span { color:#a9b4be; font-size:11px; }
.os-next-phase__continue-arrow { font-size:25px!important; color:#f4f7fb!important; padding:0 9px; }
.os-next-phase__footer { display:flex; justify-content:space-between; gap:18px; margin-top:42px; padding-top:15px; border-top:1px solid rgba(255,255,255,.1); color:#74808b; font-family:var(--os-heading-font); font-size:8px; letter-spacing:.18em; }
.os-next-phase__stars { position:absolute; inset:0; opacity:.75; background-image:radial-gradient(circle,rgba(255,255,255,.65) 0 1px,transparent 1.5px),radial-gradient(circle,rgba(180,210,235,.45) 0 1px,transparent 1.5px); background-size:147px 147px,223px 223px; background-position:19px 31px,83px 101px; }
.os-next-phase__scan { position:absolute; inset:0; opacity:.2; background:repeating-linear-gradient(0deg,transparent 0 5px,rgba(255,255,255,.025) 6px); pointer-events:none; }
.os-next-phase__orb { position:absolute; z-index:1; width:min(78vw,760px); aspect-ratio:1; right:-12vw; top:10%; border-radius:50%; border:1px solid rgba(175,205,230,.22); background:radial-gradient(circle at 34% 27%,rgba(220,240,255,.16),rgba(40,65,90,.07) 35%,rgba(0,0,0,0) 69%); box-shadow:0 0 140px rgba(100,145,185,.07), inset 0 0 80px rgba(100,150,190,.08); animation:os-next-orb 24s linear infinite; }
.os-next-phase__orb.has-image { background-image:linear-gradient(rgba(0,8,16,.25),rgba(0,8,16,.25)),var(--orb-image); background-size:cover; background-position:center; }
.os-next-phase__orb-core { position:absolute; inset:8%; border-radius:50%; border:1px solid rgba(255,255,255,.08); }
.os-next-phase__orbit { position:absolute; z-index:2; width:min(90vw,900px); aspect-ratio:2.2/1; border:1px solid rgba(175,205,230,.1); border-radius:50%; right:-14vw; top:25%; transform:rotate(-21deg); animation:os-next-orbit 30s linear infinite; }
.os-next-phase__orbit--two { width:min(72vw,700px); top:38%; right:-7vw; transform:rotate(33deg); opacity:.65; animation-duration:42s; }
@keyframes os-next-orb { to { transform:rotate(360deg); } }
@keyframes os-next-orbit { to { transform:rotate(339deg); } }
@media (max-width:760px) {
  .os-next-phase__inner { width:min(100% - 30px,560px); padding-top:20px; }
  .os-next-phase__header { flex-direction:column; }
  .os-next-phase__status { align-self:flex-start; }
  .os-next-phase__hero { min-height:62svh; padding-top:8svh; }
  .os-next-phase__hero h1 { max-width:100%; font-size:clamp(39px,12vw,64px); }
  .os-next-phase__jp { font-size:13px; }
  .os-next-phase__links { grid-template-columns:1fr 1fr; }
  .os-next-phase__links a:last-child:nth-child(odd) { grid-column:1 / -1; }
  .os-next-phase__continue { grid-template-columns:52px 1fr; }
  .os-next-phase__mini-orb { width:52px; }
  .os-next-phase__continue-arrow { display:none; }
  .os-next-phase__footer { flex-direction:column; gap:7px; }
  .os-next-phase__orb { width:118vw; right:-60vw; top:10%; opacity:.75; }
  .os-next-phase__orbit { width:130vw; right:-65vw; top:25%; }
}
@media (prefers-reduced-motion:reduce) {
  .os-next-phase__orb,.os-next-phase__orbit,.os-next-phase__mini-orb { animation:none; }
  .os-next-phase__links a { transition:none; }
}


/* v1.5 usability fixes */
.os-social { display: flex; }
@media (min-width: 1080px) { .os-social { display: none; } }
.os-viewer.is-dragging canvas { cursor: grabbing; }
.osonoe-maintenance .os-next-phase__links a:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* Typography refinement: slender editorial English headings. */
.os-heading, .os-eyebrow, .os-nav a, .os-card__title, .os-timeline__title, .os-button, .os-meta, .os-social a, .os-next__phrase { font-feature-settings: "kern" 1; }
.os-heading, .os-nav a { text-transform: uppercase; }
.os-heading { font-variation-settings: "wght" 300; }
@media (max-width: 640px) { .os-heading { letter-spacing: .015em; } }

/* v1.6.4: minimal social icons and compact Instagram CTA */
.os-social { display:flex; align-items:center; flex-wrap:wrap; gap:10px; }
.os-social__link { display:inline-flex; align-items:center; justify-content:center; width:48px; height:48px; padding:0; color:var(--os-muted); border:1px solid var(--os-line); border-radius:50%; transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease; }
.os-social__link:hover,.os-social__link:focus-visible { color:var(--os-text); border-color:var(--os-line); background:rgba(255,255,255,.03); transform:translateY(-1px); }
.os-social__link svg, .os-social__link .os-social__logo { width:24px; height:24px; display:block; }
.os-social__link::after { content:none !important; }
.os-social--header { margin-top:28px; }
.os-social--footer { margin:0 0 18px; }
.os-social--maintenance { justify-content:center; margin-top:22px; }
.os-footer__nav .os-social { justify-content:flex-end; }
.os-instagram__cta { margin:20px 0 0; }
.os-instagram__cta .os-button { min-height:44px; }
.os-instagram__cta .os-arrow { font-size:15px; }
@media (min-width:1080px) { .os-social--header { display:none; } }
@media (max-width:760px) { .os-social--header { margin-top:24px; } .os-social__link { width:48px; height:48px; } .os-social__link svg { width:24px; height:24px; } .os-footer__nav .os-social { justify-content:flex-start; } }

/* v1.6.4: mobile-first interface refinement */
@media (max-width: 760px) {
  .os-section { padding-block: 64px; }
  .os-latest__intro { gap: 48px; }
  .os-latest__instagram { margin-top: 0; }
  .os-instagram--plugin #sbi_images { gap: 8px !important; }
  .os-instagram__cta { margin-top: 18px; }
  .os-section-head { margin-bottom: 24px; }
}
@media (min-width: 761px) {
  .os-latest__instagram { padding-top: 4px; }
}

/* v1.6.5: Oswald headings, Noto Sans JP body, larger circular social controls. */
.osonoe-theme { --os-heading-font: "Oswald", "Noto Sans JP", sans-serif; }
.osonoe-theme .os-social__link { width:48px; height:48px; border:1px solid var(--os-line); border-radius:50%; }
.osonoe-theme .os-social__link svg, .osonoe-theme .os-social__link .os-social__logo { width:24px; height:24px; }
.osonoe-theme .os-social__link::after { content:none !important; display:none !important; }


/* v1.8.0–v1.8.4: Oswald family loading and Safari/WebKit hardening. */
body.osonoe-font-oswald,
body.osonoe-font-oswald .os-heading,
body.osonoe-font-oswald .os-hero__title,
body.osonoe-font-oswald .os-brand__name,
body.osonoe-font-oswald .os-nav a,
body.osonoe-font-oswald .os-nav__close,
body.osonoe-font-oswald .os-nav__origin-title,
body.osonoe-font-oswald .os-card__title,
body.osonoe-font-oswald .os-timeline__title,
body.osonoe-font-oswald .os-text-link,
body.osonoe-font-oswald .os-eyebrow {
  font-family: "Oswald", "Noto Sans JP", Arial, sans-serif;
  font-synthesis: none;
  font-variant-ligatures: none;
  font-optical-sizing: auto;
  font-weight: var(--os-heading-weight);
}

/* v1.6.6: iPhone / Safari mobile QA pass
 * Mobile is treated as a primary composition, not a compressed desktop layout.
 */
@supports (padding: max(0px)) {
  .os-nav { min-height: -webkit-fill-available; }
  .os-header {
    padding-top: max(14px, env(safe-area-inset-top));
    padding-left: max(var(--os-gutter), env(safe-area-inset-left));
    padding-right: max(var(--os-gutter), env(safe-area-inset-right));
  }
  .os-nav {
    padding-top: max(88px, calc(72px + env(safe-area-inset-top)));
    padding-bottom: max(32px, calc(32px + env(safe-area-inset-bottom)));
    padding-left: max(var(--os-gutter), env(safe-area-inset-left));
    padding-right: max(var(--os-gutter), env(safe-area-inset-right));
  }
  .os-scroll {
    bottom: max(22px, calc(12px + env(safe-area-inset-bottom)));
    left: max(var(--os-gutter), env(safe-area-inset-left));
  }
  .os-footer {
    padding-bottom: max(28px, calc(28px + env(safe-area-inset-bottom)));
  }
}

html {
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}
body {
  overflow-x: hidden;
  font-size: 17px;
  line-height: 1.85;
}

@media (max-width: 760px) {
  /* Navigation: prevent tall menus from being clipped on iPhone. */
  .os-nav {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .os-nav ul { margin-inline: auto; }
  .os-nav a {
    min-height: 58px;
    padding: 12px 0;
    font-size: clamp(1.65rem, 8vw, 2.35rem);
  }
  .os-nav a::after { font-size: .9rem; }

  /* Keep the hero airy while avoiding a giant stacked first screen. */
  .os-hero {
    min-height: 100svh;
    min-height: 100dvh;
  }
  .os-hero__inner {
    gap: 22px;
    padding-top: 104px;
    padding-bottom: 92px;
  }
  .os-hero__copy { text-align: center; }
  .os-hero__title { font-size: clamp(2.8rem, 14vw, 4.5rem); line-height: .94; }
  .os-hero__subtitle { margin-top: 12px; font-size: 11px; letter-spacing: .17em; }
  .os-hero__text { max-width: 31rem; margin: 22px auto 0; font-size: 15px; line-height: 1.85; }
  .os-hero__signal { margin-top: 22px; font-size: 10px; letter-spacing: .13em; }
  .os-orb-wrap { width: min(94vw, 390px); }
  .os-scroll { font-size: 10px; letter-spacing: .14em; }

  /* Section controls stack instead of squeezing beside Japanese copy. */
  .os-section-head {
    display: grid;
    gap: 20px;
    align-items: start;
    margin-bottom: 28px;
  }
  .os-section-head__action { justify-self: start; }
  .os-heading { font-size: clamp(2rem, 9vw, 3.2rem); line-height: 1.08; }
  .os-eyebrow { margin-bottom: 10px; font-size: 11px; letter-spacing: .18em; }
  .os-lead { margin-top: 16px; font-size: 16px; line-height: 1.9; }
  .os-button { min-height: 48px; padding: 10px 17px; font-size: 12px; letter-spacing: .1em; }

  /* Cards and metadata remain readable at narrow widths. */
  .os-card__body { padding-top: 11px; }
  .os-card__title { font-size: 15px; line-height: 1.45; }
  .os-card__meta { margin-top: 5px; font-size: 12px; letter-spacing: .03em; }
  .os-grid { gap: 12px; }

  /* Dimension media gets a predictable mobile height. */
  .os-dimension__frame { min-height: 0; aspect-ratio: 4 / 3; }
  .os-dimension__frame img { min-height: 0; height: 100%; }
  .os-dimension__overlay { padding: 76px 18px 18px; }
  .os-dimension__badge { width: 96px; height: 96px; font-size: 11px; }

  /* Horizontal Chronicle is intentional, with a clear next-card peek. */
  .os-timeline { grid-auto-columns: minmax(76vw, 1fr); gap: 18px; padding-bottom: 16px; }
  .os-timeline__year { font-size: 12px; }
  .os-timeline__title { font-size: 19px; line-height: 1.35; }
  .os-timeline__excerpt { font-size: 14px; line-height: 1.7; }

  /* Journal list: larger type and enough room for Japanese titles. */
  .os-list a { grid-template-columns: 82px minmax(0, 1fr) 20px; gap: 10px; min-height: 58px; padding: 13px 0; }
  .os-list__date { font-size: 12px; }
  .os-list__title { font-size: 15px; line-height: 1.55; }
  .os-list__arrow { font-size: 16px; text-align: right; }
  .os-text-link { min-height: 48px; font-size: 12px; }

  /* Single pages: details collapse before they become cramped. */
  .os-page { padding-top: 104px; }
  .os-page__header { padding-block: 52px 34px; }
  .os-breadcrumbs { margin-bottom: 16px; font-size: 11px; }
  .os-single__hero { margin-bottom: 32px; }
  .os-single__hero img { max-height: none; }
  .os-single__body { font-size: 17px; line-height: 1.9; }
  .os-single__body h2, .os-single__body h3 { line-height: 1.3; }
  .os-details { grid-template-columns: 1fr; gap: 16px; margin: 28px 0 42px; padding: 20px 0; }
  .os-details dt { font-size: 11px; }
  .os-details dd { font-size: 15px; }
  .os-viewer { min-height: 0; aspect-ratio: 4 / 3; }

  /* Instagram remains a clean 2-column 3:4 gallery. */
  .os-instagram--plugin #sbi_images { gap: 7px !important; }
  .os-instagram__cta .os-button { min-height: 48px; font-size: 12px; }

  /* Footer and legal copy are no longer microtype. */
  .os-footer { padding-top: 42px; }
  .os-footer__nav { font-size: 11px; letter-spacing: .08em; }
  .os-footer__legal { display: grid; gap: 8px; margin-top: 26px; font-size: 11px; line-height: 1.6; }

  /* NEXT PHASE / maintenance screen. */
  .os-next-phase__inner { width: min(100% - 32px, 560px); }
  .os-next-phase__hero { min-height: 58svh; min-height: 58dvh; }
  .os-next-phase__jp { font-size: 14px; line-height: 1.9; }
  .os-next-phase__links a { min-height: 58px; padding: 14px; font-size: 11px; }
  .os-next-phase__continue span { font-size: 12px; line-height: 1.6; }
  .os-next-phase__footer { font-size: 10px; line-height: 1.5; }
}

@media (max-width: 380px) {
  .os-hero__inner { padding-top: 96px; padding-bottom: 82px; }
  .os-orb-wrap { width: min(88vw, 350px); }
  .os-hero__text { font-size: 14px; }
  .os-section { padding-block: 58px; }
  .os-grid--photos { grid-template-columns: 1fr; }
  .os-grid--latest-mini { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .os-list a { grid-template-columns: 76px minmax(0, 1fr) 18px; }
  .os-list__title { font-size: 14px; }
}

@media (max-width: 760px) and (max-height: 740px) {
  .os-hero__inner { padding-top: 92px; padding-bottom: 78px; gap: 18px; }
  .os-orb-wrap { width: min(84vw, 340px); }
  .os-hero__text { margin-top: 18px; }
  .os-hero__signal { margin-top: 16px; }
  .os-scroll { display: none; }
}

@media (hover: none) and (pointer: coarse) {
  .os-card:hover .os-card__media img,
  .os-featured__media:hover img,
  .os-instagram a:hover img { transform: none; }
  .os-button:hover { background: transparent; color: var(--os-text); transform: none; }
}


/* Independent Journal / Signal systems */
.os-hero__side-link { display:inline-flex; margin-top:14px; font-size:11px; }
@media (max-width:560px) { .os-hero__side-link { margin-top:12px; font-size:12px; } }


/* Front-page hero header choreography */
.home.osonoe-hero-header-control .os-header { opacity: 0; transform: translateY(-12px); pointer-events: none; transition: opacity .5s var(--os-ease), transform .5s var(--os-ease); }
.home.osonoe-hero-header-control .os-header.is-visible { opacity: 1; transform: translateY(0); pointer-events: none; }
.home.osonoe-hero-header-control .os-header .os-menu-toggle,
.home.osonoe-hero-header-control .os-header .os-brand { pointer-events: auto; }
@media (prefers-reduced-motion: reduce) {
  .home.osonoe-hero-header-control .os-header { transition: none; }
}


/* v1.7.4: full-screen navigation / route-map composition
 * The mobile menu is treated as an immersive navigation board rather than a dropdown.
 */
@media (max-width: 1079px) {
  .os-nav {
    width: 100vw;
    height: 100vh;
    height: 100svh;
    height: 100dvh;
    max-height: 100dvh;
    inset: 0;
    padding-top: max(92px, calc(76px + env(safe-area-inset-top)));
    padding-right: max(22px, env(safe-area-inset-right));
    padding-bottom: max(34px, calc(34px + env(safe-area-inset-bottom)));
    padding-left: max(22px, env(safe-area-inset-left));
    overflow-x: hidden;
    background:
      linear-gradient(90deg, transparent 0, transparent 14%, rgba(245,244,239,.035) 14.1%, transparent 14.2%),
      linear-gradient(0deg, transparent 0, transparent 82%, rgba(245,244,239,.04) 82.1%, transparent 82.2%),
      radial-gradient(circle at 78% 18%, rgba(255,255,255,.07), transparent 28%),
      #050505;
    transform: translate3d(100%, 0, 0);
    opacity: 0;
    visibility: hidden;
    transition: transform .55s var(--os-ease), opacity .38s ease, visibility 0s linear .55s;
    will-change: transform, opacity;
  }

  .os-nav::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 14%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(245,244,239,.16) 12%, rgba(245,244,239,.06) 84%, transparent);
    pointer-events: none;
  }

  .os-nav::after {
    content: "NAVIGATION / ROUTE 01";
    position: absolute;
    left: max(22px, env(safe-area-inset-left));
    bottom: max(16px, env(safe-area-inset-bottom));
    color: rgba(165,163,157,.52);
    font-family: var(--os-heading-font);
    font-size: 8px;
    letter-spacing: .22em;
    pointer-events: none;
  }

  .os-nav.is-open {
    transform: translate3d(0, 0, 0);
    opacity: 1;
    visibility: visible;
    transition: transform .55s var(--os-ease), opacity .38s ease, visibility 0s;
  }

  .os-nav__close {
    top: max(18px, env(safe-area-inset-top));
    right: max(22px, env(safe-area-inset-right));
    min-height: 42px;
    padding: 8px 13px;
    gap: 10px;
    border: 1px solid rgba(245,244,239,.30);
    border-radius: 999px;
    background: rgba(245,244,239,.035);
    color: var(--os-text);
    font-size: 10px;
    letter-spacing: .18em;
    transition: background .25s ease, border-color .25s ease, transform .25s ease;
  }

  .os-nav__close:hover,
  .os-nav__close:focus-visible {
    background: rgba(245,244,239,.08);
    border-color: rgba(245,244,239,.55);
  }

  .os-nav__close:active { transform: scale(.97); }
  .os-nav__close-mark { width: 15px; height: 15px; }

  .os-nav__origin {
    width: min(100%, 760px);
    margin: 0 auto 2px;
    border-bottom: 1px solid rgba(245,244,239,.13);
  }

  .os-nav__origin a {
    display: flex;
    align-items: center;
    padding: 8px 0 15px;
  }

  .os-nav__origin-title {
    color: rgba(165,163,157,.70);
    font-family: var(--os-heading-font);
    font-size: clamp(1.25rem, 5.4vw, 2rem);
    font-weight: 300;
    letter-spacing: .015em;
    line-height: 1.1;
  }

  .os-nav ul {
    width: min(100%, 760px);
    margin: 0 auto;
    padding: 0;
    list-style: none;
    counter-reset: route;
  }

  .os-nav > ul > li {
    position: relative;
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    align-items: center;
    border-bottom: 1px solid rgba(245,244,239,.13);
    counter-increment: route;
    opacity: 0;
    transform: translateX(22px);
  }

  .os-nav.is-open > ul > li {
    animation: osonoe-route-in .5s var(--os-ease) forwards;
  }
  .os-nav.is-open > ul > li:nth-child(1) { animation-delay: .08s; }
  .os-nav.is-open > ul > li:nth-child(2) { animation-delay: .12s; }
  .os-nav.is-open > ul > li:nth-child(3) { animation-delay: .16s; }
  .os-nav.is-open > ul > li:nth-child(4) { animation-delay: .20s; }
  .os-nav.is-open > ul > li:nth-child(5) { animation-delay: .24s; }
  .os-nav.is-open > ul > li:nth-child(6) { animation-delay: .28s; }
  .os-nav.is-open > ul > li:nth-child(7) { animation-delay: .32s; }

  .os-nav > ul > li::before {
    content: counter(route, decimal-leading-zero);
    color: rgba(165,163,157,.44);
    font-family: var(--os-heading-font);
    font-size: 9px;
    letter-spacing: .12em;
  }

  .os-nav a {
    min-height: 54px;
    padding: 12px 0;
    font-size: clamp(1.18rem, 5.5vw, 1.65rem);
    font-weight: 300;
    letter-spacing: .035em;
    line-height: 1.15;
  }

  .os-nav a::after {
    margin-left: 14px;
    color: rgba(165,163,157,.52);
    font-size: .78rem;
    transition: transform .25s ease, color .25s ease;
  }

  .os-nav a:hover::after,
  .os-nav a:focus-visible::after { color: var(--os-text); transform: translateX(3px); }

  .os-social--header {
    width: min(100%, 760px);
    margin: 28px auto 0;
    padding-top: 22px;
    border-top: 1px solid rgba(245,244,239,.13);
    gap: 12px;
  }

  .os-social--header::before {
    content: "SIGNAL / SOCIAL";
    flex-basis: 100%;
    margin-bottom: 3px;
    color: rgba(165,163,157,.46);
    font-family: var(--os-heading-font);
    font-size: 8px;
    letter-spacing: .2em;
  }

  .os-social--header .os-social__link {
    width: 44px;
    height: 44px;
    border-color: rgba(245,244,239,.18);
  }

  .os-social--header .os-social__link svg { width: 21px; height: 21px; }
}

@keyframes osonoe-route-in {
  from { opacity: 0; transform: translateX(22px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .os-nav { transition: opacity .2s ease, visibility 0s; transform: none; }
  .os-nav.is-open { transition: opacity .2s ease, visibility 0s; }
  .os-nav > ul > li { opacity: 1; transform: none; animation: none !important; }
}


/* v1.7.5: cross-browser navigation hardening and focus states */
.os-nav[aria-hidden="true"] { visibility: hidden; }
.os-nav[aria-hidden="false"] { visibility: visible; }
.os-nav a:focus-visible,
.os-nav button:focus-visible,
.os-menu-toggle:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}
@media (max-width:1079px) {
  .os-nav {
    box-sizing: border-box;
    right: 0;
    bottom: 0;
    max-width: 100%;
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    -webkit-transform: translate3d(100%,0,0);
    transform: translate3d(100%,0,0);
  }
  .os-nav.is-open {
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
  }
  .os-nav__close { touch-action: manipulation; }
  .os-nav a, .os-nav__close, .os-menu-toggle { touch-action: manipulation; }
}
@media (prefers-reduced-motion: reduce) {
  .os-nav, .os-nav.is-open { -webkit-transition: opacity .2s ease, visibility 0s; transition: opacity .2s ease, visibility 0s; }
}

/* v1.7.6: menu opening no longer moves focus to CLOSE. Focus remains where the user initiated the menu. */

/* v1.7.9: Chronicle timeline marker is fully visible.
 * The horizontal scroller clips content outside its vertical box, so the
 * marker no longer extends above the scroller's top edge.
 */
.os-timeline { padding-top: 5px; }
.os-timeline__item { border-top: 0; }
.os-timeline__item::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--os-line-strong);
  pointer-events: none;
}
.os-timeline__item::before { top: 0; z-index: 1; }

/* v1.7.9: denser hero wireframe so the sphere reads as a complete grid. */
.os-orb__wireframe { inset: 3%; width: 94%; height: 94%; }

/* v1.8.2: independent Noto Sans JP static weights 200 / 300 / 400. */
body.osonoe-body-weight-200 { --os-body-weight: 200; }
body.osonoe-body-weight-300 { --os-body-weight: 300; }
body.osonoe-body-weight-400 { --os-body-weight: 400; }

/* v1.8.2: Oswald static weights 200 / 300 / 400. */
body.osonoe-font-oswald { --os-heading-weight: 300; }
body.osonoe-font-oswald.osonoe-heading-weight-200 { --os-heading-weight: 200; }
body.osonoe-font-oswald.osonoe-heading-weight-300 { --os-heading-weight: 300; }
body.osonoe-font-oswald.osonoe-heading-weight-400 { --os-heading-weight: 400; }


/* ELAPSED -------------------------------------------------- */
.os-date-system {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.os-date-system__elapsed {
  display: grid;
  gap: 1px;
}

.os-date-system__label {
  color: var(--os-text-muted);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.os-date-system__code {
  font-family: var(--os-heading-font);
  font-size: 13px;
  font-weight: var(--os-heading-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: .055em;
  line-height: 1.25;
  white-space: nowrap;
}

.os-date-system__normal {
  color: var(--os-text-muted);
  font-size: 10px;
  letter-spacing: .035em;
  line-height: 1.3;
  white-space: nowrap;
}

.os-date-system--card {
  margin-top: 7px;
  flex-basis: 100%;
}

.os-list__date .os-date-system {
  min-width: 138px;
}

.os-meta .os-date-system {
  margin-top: 8px;
}

@media (min-width: 700px) {
  .os-date-system--card {
    margin-top: 0;
    margin-left: auto;
  }

  .os-card__meta {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}

/* v1.9.0: observation metadata and fixed-width location system. */
.os-location-system {
  position: relative;
  display: grid;
  gap: 4px;
  min-width: 0;
}

.os-location-system__label {
  color: var(--os-text-muted);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.os-location-system__code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .045em;
  line-height: 1.35;
  white-space: nowrap;
}

.os-location-system__sub {
  max-width: 32em;
  color: rgba(243,241,235,.48);
  font-size: 9px;
  letter-spacing: .08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.os-location-system__withheld {
  color: rgba(243,241,235,.52);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: .08em;
  line-height: 1.4;
}

.os-details--location {
  margin-block: 22px;
}

.os-location-system--card {
  max-width: 100%;
}

.os-location-system--card .os-location-system__label {
  display: none;
}

.os-location-system--card .os-location-system__code {
  font-size: 9px;
  color: rgba(243,241,235,.58);
}

.os-location-system--card .os-location-system__sub {
  font-size: 8px;
}


.os-legacy-caption {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--os-line);
  color: var(--os-text-muted);
  font-size: 14px;
}

.osonoe-location-editor {
  padding-top: 2px;
}

.osonoe-location-editor code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

@media (max-width: 699px) {
  .os-location-system__code {
    font-size: 10px;
  }
  .os-location-system__sub {
    font-size: 8px;
  }
}

/* v1.9.8: Refine photograph detail spacing and muted hierarchy. */
.os-photograph-single .os-breadcrumbs { margin-bottom: 18px; }
.os-photograph-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: min(70svh, calc(100svh - 250px));
  margin: 0 0 40px;
}
.os-photograph-hero img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}
.os-photograph-heading { max-width: 780px; margin: 0 auto; }
.os-photograph-title {
  margin: 0;
  font-family: var(--os-heading-font);
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -.02em;
}
.os-photograph-caption {
  margin-top: 10px;
  color: var(--os-muted);
  font-size: 14px;
  line-height: 1.85;
}
.os-photograph-caption > *:first-child { margin-top: 0; }
.os-photograph-caption > *:last-child { margin-bottom: 0; }
.os-photograph-details {
  max-width: 780px;
  margin: 52px auto 72px;
  padding: 44px 0 44px;
  border-block: 1px solid var(--os-line);
  display: grid;
  gap: 30px;
}
.os-photograph-details__heading {
  margin: 0 0 2px;
  font-family: var(--os-heading-font);
  color: var(--os-text);
  font-size: 12px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .22em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-photograph-details__heading::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  margin: 0 12px 4px 0;
  background: var(--os-text);
  opacity: .65;
}
.os-photograph-detail { min-width: 0; }
.os-photograph-detail__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 10px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-photograph-detail__label::before {
  content: "—";
  display: inline-block;
  font-family: var(--os-heading-font);
  letter-spacing: 0;
  opacity: .8;
}
.os-photograph-detail__value {
  font-family: var(--os-body-font);
  font-size: 13px;
  font-weight: var(--os-body-weight);
  line-height: 1.5;
}
.os-photograph-detail--elapsed .os-date-system { margin: 0; }
.os-photograph-detail--elapsed .os-date-system__elapsed {
  display: grid;
  gap: 3px;
}
.os-photograph-detail--elapsed .os-date-system__label { display: none; }
.os-photograph-detail .os-date-system__code {
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 13px;
  font-weight: var(--os-heading-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: .055em;
  line-height: 1.35;
  white-space: nowrap;
}
.os-photograph-detail .os-date-system__normal {
  display: block;
  margin-top: 3px;
  color: var(--os-muted);
  font-family: var(--os-body-font);
  font-size: 13px;
  font-weight: var(--os-body-weight);
  line-height: 1.5;
}
.os-photograph-detail--location .os-location-system { gap: 3px; }
.os-photograph-detail--location .os-location-system__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 7px;
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 10px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-photograph-detail--location .os-location-system__label::before {
  content: "—";
  display: inline-block;
  font-family: var(--os-heading-font);
  letter-spacing: 0;
  opacity: .8;
}
.os-photograph-detail--location .os-location-system__code {
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 13px;
  font-weight: var(--os-heading-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: .055em;
  line-height: 1.35;
  white-space: nowrap;
}
.os-photograph-detail--location .os-location-system__sub,
.os-photograph-detail--location .os-location-system__withheld {
  color: var(--os-muted);
  font-family: var(--os-body-font);
  font-size: 13px;
  font-weight: var(--os-body-weight);
  letter-spacing: .03em;
  line-height: 1.5;
}
.os-date-system__code,
.os-location-system__code { -webkit-text-size-adjust: none; }
@media (max-width: 699px) {
  .os-photograph-hero {
    height: min(62svh, calc(100svh - 245px));
    margin-bottom: 34px;
  }
  .os-photograph-title { font-size: 1rem; }
  .os-photograph-caption { font-size: 14px; line-height: 1.8; }
  .os-photograph-details { margin: 46px 0 64px; padding: 36px 0 44px; gap: 28px; }
  .os-photograph-details__heading { font-size: 11px; }
  .os-photograph-details__heading::before { width: 24px; margin-right: 10px; }
  .os-photograph-detail__label,
  .os-photograph-detail--location .os-location-system__label { font-size: 10px; }
  .os-photograph-detail .os-date-system__code,
  .os-photograph-detail .os-location-system__code,
  .os-photograph-detail .os-location-system__sub,
  .os-photograph-detail .os-location-system__withheld,
  .os-photograph-detail__value,
  .os-photograph-detail .os-date-system__normal { font-size: 13px; }
}


/* v1.10.0: Shared YEAR axis across all content systems. */
.os-year-archive .os-page__header-copy { max-width: 650px; color: var(--os-muted); }
.os-year-list--unified .os-year-list__item { grid-template-columns: minmax(100px, .8fr) minmax(0, 2fr) 24px; }
.os-year-list__systems { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: flex-end; color: var(--os-muted); font-family: var(--os-body-font); font-size: 10px; letter-spacing: .08em; }
.os-year-list__systems b { color: var(--os-text); font-family: var(--os-heading-font); font-weight: var(--os-heading-weight); letter-spacing: .08em; }
.os-year-nav { display:flex; justify-content:flex-end; margin-bottom: 34px; }
.os-year-section + .os-year-section { margin-top: 72px; }
.os-year-section > h2 { display:flex; align-items:center; gap:14px; margin:0 0 26px; font-family:var(--os-heading-font); font-size:12px; font-weight:var(--os-heading-weight); letter-spacing:.18em; }
.os-year-section > h2::before { content:"—"; color:var(--os-muted); }
@media (max-width:699px) {
  .os-year-list--unified .os-year-list__item { grid-template-columns: 1fr 24px; gap: 10px; }
  .os-year-list--unified .os-year-list__systems { grid-column:1 / -1; justify-content:flex-start; padding-top:2px; font-size:9px; }
  .os-year-list--unified .os-year-list__arrow { grid-column:2; grid-row:1; }
  .os-year-section + .os-year-section { margin-top: 56px; }
  .os-year-section > h2 { margin-bottom:20px; }
}

/* v1.14.0: JOURNAL / SIGNAL use the same visual hierarchy as PHOTOGRAPHS / DIMENSION. */
.os-content-single .os-content-hero {
  margin: 0 0 34px;
}
.os-content-single .os-content-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
}
.os-content-single .os-content-heading {
  margin: 0;
}
.os-content-single .os-content-title {
  margin: 0;
  font-family: var(--os-heading-font);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: var(--os-heading-weight);
  letter-spacing: .03em;
  line-height: 1.4;
}
.os-content-single .os-single__body {
  max-width: 780px;
}
.os-content-single .os-observation {
  margin-top: 46px;
}
@media (max-width:699px) {
  .os-content-single .os-content-hero { margin-bottom: 34px; }
  .os-content-single .os-content-title { font-size: 1rem; }
  .os-content-single .os-single__body { font-size: 14px; line-height: 1.9; }
}

/* v1.10.4: Shared OBSERVATION metadata presentation across content types. */
.os-single .os-observation {
  max-width: 780px;
  margin: 56px auto 72px;
  padding: 42px 0 52px;
  border-block: 1px solid var(--os-line);
}
.os-single .os-observation__heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 38px;
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 12px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .22em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-single .os-observation__heading::before {
  content: "";
  display: inline-block;
  width: 46px;
  height: 1px;
  background: var(--os-text);
  opacity: .65;
  flex: 0 0 auto;
}
.os-single .os-observation__items {
  display: grid;
  gap: 30px;
}
.os-single .os-observation__item { min-width: 0; }
.os-single .os-observation__label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 10px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-single .os-observation__label::before {
  content: "—";
  display: inline-block;
  font-family: var(--os-heading-font);
  letter-spacing: 0;
  opacity: .8;
}
.os-single .os-observation__value {
  color: var(--os-text);
  font-family: var(--os-body-font);
  font-size: 13px;
  font-weight: var(--os-body-weight);
  line-height: 1.5;
}
.os-single .os-observation__item--elapsed .os-date-system { margin: 0; }
.os-single .os-observation__item--elapsed .os-date-system__label { display: none; }
.os-single .os-observation__item--elapsed .os-date-system__code,
.os-single .os-observation__item--location .os-location-system__code {
  color: var(--os-text);
  font-family: var(--os-heading-font);
  font-size: 13px;
  font-weight: var(--os-heading-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: .055em;
  line-height: 1.35;
  white-space: nowrap;
}
.os-single .os-observation__item--elapsed .os-date-system__normal,
.os-single .os-observation__item--location .os-location-system__sub,
.os-single .os-observation__item--location .os-location-system__withheld {
  display: block;
  margin-top: 3px;
  color: var(--os-muted);
  font-family: var(--os-body-font);
  font-size: 13px;
  font-weight: var(--os-body-weight);
  letter-spacing: .03em;
  line-height: 1.5;
}
.os-single .os-observation__item--location .os-location-system { gap: 3px; }
.os-single .os-observation__item--location .os-location-system__label { display: none; }
.os-single .os-observation__item--camera .os-observation__value { font-size: 13px; }
.os-single .os-observation__item--camera a { color: inherit; }
@media (max-width:699px) {
  .os-single .os-observation { margin: 54px 0 64px; padding: 36px 0 46px; }
  .os-single .os-observation__heading { margin-bottom: 34px; font-size: 11px; }
  .os-single .os-observation__heading::before { width: 34px; }
  .os-single .os-observation__items { gap: 28px; }
  .os-single .os-observation__label { font-size: 10px; }
  .os-single .os-observation__value,
  .os-single .os-observation__item--camera .os-observation__value,
  .os-single .os-observation__item--elapsed .os-date-system__code,
  .os-single .os-observation__item--location .os-location-system__code,
  .os-single .os-observation__item--elapsed .os-date-system__normal,
  .os-single .os-observation__item--location .os-location-system__sub,
  .os-single .os-observation__item--location .os-location-system__withheld { font-size: 13px; }
}

/* Pannellum DIMENSION panorama viewer */
.os-viewer .pnlm-render-container { cursor: grab; }
.os-viewer .pnlm-render-container:active { cursor: grabbing; }

/* v1.11.3: Immersive DIMENSION LP with pan, pitch, zoom, and motion controls. */
.os-dimension-single .os-viewer {
  margin: 0 0 40px;
}
.os-viewer__tap-hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 12;
  transform: translateX(-50%);
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 999px;
  background: rgba(0,0,0,.20);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255,255,255,.9);
  font-family: var(--os-heading-font), sans-serif;
  font-size: 10px;
  font-weight: var(--os-heading-weight);
  letter-spacing: .14em;
  line-height: 1.2;
  white-space: nowrap;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: opacity .35s ease, transform .35s ease;
}
.os-viewer__tap-hint.is-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(6px);
}
.os-viewer.is-app-fullscreen .os-viewer__tap-hint {
  display: none;
}
@media (max-width:699px) {
  .os-dimension-single .os-viewer {
    margin-bottom: 34px;
  }
  .os-viewer__tap-hint {
    bottom: 14px;
    padding: 7px 12px;
    font-size: 9px;
  }
}

/* v1.11.3: DIMENSION immersive interface refinement. */
.os-viewer__canvas .pnlm-controls-container { display:none !important; }
.os-viewer__hud-top,
.os-viewer__hud-bottom { gap: 18px; }
.os-viewer__hud-brand {
  display: inline-flex; align-items: center; min-height: 42px; padding: 0 15px;
  border: 1px solid rgba(255,255,255,.18); border-radius: 2px;
  background: rgba(0,0,0,.18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  letter-spacing: .12em;
}
.os-viewer__hud-status,
.os-viewer__hud-coordinates {
  display: inline-flex; align-items: center; min-height: 42px; padding: 0 14px;
  border: 1px solid rgba(255,255,255,.15); border-radius: 2px;
  background: rgba(0,0,0,.16); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-family: var(--os-heading-font), sans-serif; font-size: 9px; font-weight: var(--os-heading-weight);
  letter-spacing: .13em; line-height: 1; color: rgba(255,255,255,.78);
}
.os-viewer__hud-status { color: rgba(255,255,255,.48); }
.os-viewer__hud-dot { width: 5px; height: 5px; margin-right: 8px; border-radius: 50%; background: rgba(255,255,255,.78); box-shadow: 0 0 10px rgba(255,255,255,.42); }
.os-viewer__hud-coordinates { min-width: 178px; justify-content: center; }
.os-viewer__hud-button {
  min-height: 42px; padding: 0 14px; border-radius: 2px; border-color: rgba(255,255,255,.22);
  background: rgba(0,0,0,.18); letter-spacing: .13em;
}
.os-viewer__hud-button + .os-viewer__hud-button { margin-left: 0; }
.os-viewer__fullscreen-exit {
  top: max(18px, env(safe-area-inset-top)); right: max(18px, env(safe-area-inset-right));
  width: 42px; height: 42px; border-radius: 2px; border-color: rgba(255,255,255,.22);
  background: rgba(0,0,0,.18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.os-viewer__fullscreen-exit::before,
.os-viewer__fullscreen-exit::after { width: 16px; }
.os-viewer__tap-hint { letter-spacing: .18em; }
@media (max-width:699px) {
  .os-viewer__hud-top, .os-viewer__hud-bottom { left: max(12px, env(safe-area-inset-left)); right: max(12px, env(safe-area-inset-right)); gap: 8px; }
  .os-viewer__hud-brand { min-height: 38px; padding: 0 10px; font-size: 8px; letter-spacing: .09em; }
  .os-viewer__hud-status { display:none; }
  .os-viewer__hud-coordinates, .os-viewer__hud-button { min-height: 38px; padding: 0 10px; font-size: 8px; }
  .os-viewer__hud-coordinates { min-width: 154px; }
  .os-viewer__fullscreen-exit { width: 38px; height: 38px; top: max(12px, env(safe-area-inset-top)); right: max(12px, env(safe-area-inset-right)); }
}/* v1.11.5: Minimal immersive DIMENSION interface. */
.os-viewer__canvas .pnlm-controls-container { display:none !important; }
.os-viewer__hud-top, .os-viewer__hud-bottom { gap:18px; }
.os-viewer__hud-brand {
  display:block; min-height:42px; padding:0; border:0; border-radius:0; background:none;
  backdrop-filter:none; -webkit-backdrop-filter:none; letter-spacing:.12em;
  line-height:42px;
}
.os-viewer__hud-status { display:none; }
.os-viewer__hud-actions { display:flex; gap:7px; }
.os-viewer__hud-coordinates {
  display:inline-flex; align-items:center; min-height:42px; min-width:178px; padding:0;
  justify-content:center; border:0; border-radius:0; background:none; backdrop-filter:none;
  -webkit-backdrop-filter:none; font-family:var(--os-heading-font),sans-serif;
  font-size:9px; font-weight:var(--os-heading-weight); letter-spacing:.13em; line-height:1;
  color:rgba(255,255,255,.78);
}
.os-viewer__hud-label { opacity:.42; font-size:.82em; }
.os-viewer__hud-sep { margin:0 7px; opacity:.38; }
.os-viewer__hud-button {
  min-height:42px; min-width:42px; padding:0 12px; border:0; border-radius:0;
  background:none; box-shadow:none; letter-spacing:.13em;
  font-family:var(--os-heading-font),sans-serif; font-size:9px; font-weight:var(--os-heading-weight);
  color:rgba(255,255,255,.78);
}
.os-viewer__hud-button:hover, .os-viewer__hud-button:focus-visible { background:none; color:#fff; }
.os-viewer__hud-button.is-active { background:none; color:#fff; }
.os-viewer__fullscreen-exit {
  top:max(18px,env(safe-area-inset-top)); right:max(18px,env(safe-area-inset-right));
  width:42px; height:42px; border:0; border-radius:0; background:none;
  backdrop-filter:none; -webkit-backdrop-filter:none; box-shadow:none;
}
.os-viewer__fullscreen-exit::before, .os-viewer__fullscreen-exit::after { width:16px; background:rgba(255,255,255,.78); }
.os-viewer__tap-hint { letter-spacing:.18em; }
.os-viewer.is-info-open .os-viewer__fullscreen-exit { display:none !important; }
.os-viewer__info-panel {
  position:absolute; inset:0; z-index:20; display:flex; justify-content:flex-end;
  background:rgba(0,0,0,.22); opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .28s ease,visibility .28s ease;
}
.os-viewer.is-info-open .os-viewer__info-panel { opacity:1; visibility:visible; pointer-events:auto; }
.os-viewer__info-panel-inner {
  width:min(390px,88vw); height:100%; padding:calc(24px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));
  overflow:auto; background:rgba(8,8,8,.78); border-left:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  transform:translateX(18px); transition:transform .32s ease;
}
.os-viewer.is-info-open .os-viewer__info-panel-inner { transform:translateX(0); }
.os-viewer__info-panel-head {
  color:rgba(255,255,255,.5); font-family:var(--os-heading-font),sans-serif;
  font-size:9px; letter-spacing:.14em;
}
.os-viewer__info-panel h2 { margin:42px 0 34px; color:rgba(255,255,255,.92); font-family:var(--os-heading-font),sans-serif; font-size:clamp(28px,5vw,46px); font-weight:300; line-height:1.08; letter-spacing:.02em; }
.os-viewer__info-data { border-top:1px solid rgba(255,255,255,.12); }
.os-viewer__info-data > div { padding:18px 0; border-bottom:1px solid rgba(255,255,255,.08); }
.os-viewer__info-data span { display:block; margin-bottom:7px; color:rgba(255,255,255,.38); font-family:var(--os-heading-font),sans-serif; font-size:9px; letter-spacing:.13em; }
.os-viewer__info-data strong { display:block; color:rgba(255,255,255,.8); font-size:13px; font-weight:300; line-height:1.55; }
.os-viewer__info-data .os-date-system__code, .os-viewer__info-data .os-location-system__code { color:rgba(255,255,255,.9); }
.os-viewer__info-note { margin:28px 0 0; color:rgba(255,255,255,.28); font-family:var(--os-heading-font),sans-serif; font-size:8px; letter-spacing:.12em; }
@media (max-width:699px) {
  .os-viewer__hud-top, .os-viewer__hud-bottom { left:max(12px,env(safe-area-inset-left)); right:max(12px,env(safe-area-inset-right)); gap:8px; }
  .os-viewer__hud-brand { min-height:38px; line-height:38px; font-size:8px; letter-spacing:.09em; }
  .os-viewer__hud-coordinates, .os-viewer__hud-button { min-height:38px; padding:0 9px; font-size:8px; }
  .os-viewer__hud-coordinates { min-width:154px; }
  .os-viewer__fullscreen-exit { width:38px; height:38px; top:max(12px,env(safe-area-inset-top)); right:max(12px,env(safe-area-inset-right)); }
  .os-viewer__info-panel-inner { width:100%; padding-left:20px; padding-right:20px; }
  .os-viewer__info-panel h2 { margin-top:34px; }
}

/* v1.12.0: restore the v1.11.6 hero presentation and surface SIGNALS as a standard homepage section. */
.os-signals__list { margin-top: 6px; }

/* v1.16.0: DIMENSION fullscreen viewport/orientation refinement. */
.os-viewer.is-app-fullscreen,
.os-viewer.is-pannellum-fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 99999 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: none !important;
  max-height: none !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  aspect-ratio: auto !important;
  background: #000 !important;
  overflow: hidden !important;
}
@supports (height: 100svh) {
  .os-viewer.is-app-fullscreen,
  .os-viewer.is-pannellum-fullscreen { height: 100svh !important; }
}
@supports (height: 100dvh) {
  .os-viewer.is-app-fullscreen,
  .os-viewer.is-pannellum-fullscreen { height: 100dvh !important; }
}
.os-viewer.is-app-fullscreen .os-viewer__canvas,
.os-viewer.is-app-fullscreen .os-viewer__canvas .pnlm-container,
.os-viewer.is-pannellum-fullscreen .os-viewer__canvas,
.os-viewer.is-pannellum-fullscreen .os-viewer__canvas .pnlm-container {
  position: absolute !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100% !important;
}
.os-viewer.is-app-fullscreen .os-viewer__fallback,
.os-viewer.is-pannellum-fullscreen .os-viewer__fallback {
  width: 100vw !important;
  height: 100% !important;
  object-fit: contain !important;
}
.os-viewer[data-orientation="portrait"] .os-viewer__hud-top,
.os-viewer[data-orientation="portrait"] .os-viewer__hud-bottom {
  gap: 6px;
}
@media (max-width:699px) {
  .os-viewer.is-app-fullscreen .os-viewer__hud-top,
  .os-viewer.is-app-fullscreen .os-viewer__hud-bottom,
  .os-viewer.is-pannellum-fullscreen .os-viewer__hud-top,
  .os-viewer.is-pannellum-fullscreen .os-viewer__hud-bottom {
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
  }
  .os-viewer[data-orientation="portrait"] .os-viewer__hud-brand {
    font-size: 7px;
    letter-spacing: .07em;
  }
  .os-viewer[data-orientation="portrait"] .os-viewer__hud-coordinates {
    min-width: 0;
  }
  .os-viewer[data-orientation="portrait"] .os-viewer__hud-bottom {
    align-items: flex-end;
  }
}


/* v1.16.0: homepage signal states, footer navigation glyph, and configurable social labels. */
.os-eyebrow--with-update { display:flex; align-items:center; flex-wrap:wrap; gap:9px; }
.os-section-update { display:inline-flex; align-items:center; gap:7px; margin-left:4px; color:var(--os-muted); font-family:var(--os-heading-font); font-size:8px; font-weight:300; letter-spacing:.14em; line-height:1; vertical-align:middle; white-space:nowrap; }
.os-section-update__orb { position:relative; display:inline-block; width:7px; height:7px; border:1px solid currentColor; border-radius:50%; opacity:.72; }
.os-section-update__orb::after { content:""; position:absolute; inset:2px; border-radius:50%; background:currentColor; opacity:.8; }
.os-section-update.is-recent .os-section-update__orb { animation:os-signal-pulse 2.4s ease-out infinite; color:var(--os-text); }
.os-section-update.is-recent .os-section-update__text { color:var(--os-text); }
@keyframes os-signal-pulse { 0%,100% { box-shadow:0 0 0 0 rgba(255,255,255,0); } 45% { box-shadow:0 0 0 5px rgba(255,255,255,.09); } 70% { box-shadow:0 0 0 7px rgba(255,255,255,0); } }

.os-footer__nav > ul { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:10px 18px; }
.os-footer__nav > ul > li { position:relative; padding-left:17px; }
.os-footer__nav > ul > li::before { content:""; position:absolute; left:0; top:50%; width:7px; height:7px; transform:translateY(-50%); border:1px solid currentColor; border-radius:50%; opacity:.65; box-shadow:inset 0 0 0 2px transparent; }
.os-footer__nav > ul > li::after { content:""; position:absolute; left:3px; top:50%; width:1px; height:1px; transform:translateY(-50%); background:currentColor; border-radius:50%; opacity:.8; }
.os-footer__nav > ul > li:hover::before,
.os-footer__nav > ul > li:focus-within::before { opacity:1; box-shadow:inset 0 0 0 2px rgba(255,255,255,.06); }
.os-footer__nav > ul > li > ul { list-style:none; margin:7px 0 0; padding:0 0 0 17px; width:100%; flex-basis:100%; }

.os-social--footer { gap:0; align-items:stretch; }
.os-social--footer .os-social__link { width:auto; height:44px; min-height:44px; padding:0 13px; border-radius:0; border-color:var(--os-line); gap:9px; text-transform:none; }
.os-social--footer .os-social__link + .os-social__link { margin-left:-1px; }
.os-social--footer .os-social__icon { display:inline-flex; align-items:center; justify-content:center; width:22px; height:22px; flex:0 0 22px; }
.os-social--footer .os-social__icon svg, .os-social--footer .os-social__icon .os-social__logo { width:22px; height:22px; }
.os-social--footer .os-social__label { display:inline-block; font-family:var(--os-heading-font); font-size:10px; font-weight:300; letter-spacing:.08em; line-height:1; white-space:nowrap; }
.os-social--footer.os-social--icons-only .os-social__link { width:48px; padding:0; justify-content:center; }
.os-social--footer.os-social--icons-only .os-social__icon { width:24px; height:24px; flex-basis:24px; }
.os-social--footer.os-social--icons-only .os-social__icon svg, .os-social--footer.os-social--icons-only .os-social__icon .os-social__logo { width:24px; height:24px; }
.os-social--footer .os-social__link:hover .os-social__label,
.os-social--footer .os-social__link:focus-visible .os-social__label { color:var(--os-text); }
@media (max-width:760px) {
  .os-eyebrow--with-update { gap:7px; }
  .os-section-update__text { font-size:7px; }
  .os-social--footer.os-social--with-label { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); width:100%; }
  .os-social--footer.os-social--with-label .os-social__link { margin-left:0; }
  .os-social--footer.os-social--with-label .os-social__link:nth-child(even) { margin-left:-1px; }
}
@media (prefers-reduced-motion:reduce) { .os-section-update.is-recent .os-section-update__orb { animation:none; } }

/* The homepage no longer uses the former featured/latest-observation modules. */
.os-featured, .os-observation { display:none !important; }

/* v1.16.0: clear transition into NEXT OBSERVATION. */
.os-next { border-top: 1px solid var(--os-line); }

/* v1.16.2: official social logos sourced from SVGL for recognizable brand marks. */
.os-social__logo { object-fit:contain; filter:grayscale(1) brightness(0) invert(1); opacity:.78; }
.os-social__link:hover .os-social__logo, .os-social__link:focus-visible .os-social__logo { opacity:1; }


/* Content placeholder ------------------------------------- */
/* Shared lightweight monochrome fallback for content without a featured image. */
.os-content-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, transparent 49.95%, rgba(245,244,239,.055) 50%, transparent 50.05%),
    linear-gradient(0deg, transparent 49.95%, rgba(245,244,239,.055) 50%, transparent 50.05%),
    #0a0a0a;
  border: 1px solid rgba(245,244,239,.14);
  transition: border-color 450ms ease, background-color 450ms ease;
}
.os-content-placeholder::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(44%, 180px);
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(245,244,239,.09);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.os-content-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(245,244,239,.035), transparent 46%);
  pointer-events: none;
}
.os-content-placeholder__category {
  position: relative;
  z-index: 3;
  color: rgba(245,244,239,.82);
  font-family: var(--os-heading-font);
  font-size: 11px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: .18em;
  text-align: center;
  text-transform: uppercase;
}
.os-content-placeholder__corner {
  position: absolute;
  z-index: 2;
  width: 16px;
  height: 16px;
  border-color: rgba(245,244,239,.34);
  border-style: solid;
  transition: width 450ms var(--os-ease), height 450ms var(--os-ease), border-color 450ms ease;
}
.os-content-placeholder__corner--tl { top: 12px; left: 12px; border-width: 1px 0 0 1px; }
.os-content-placeholder__corner--tr { top: 12px; right: 12px; border-width: 1px 1px 0 0; }
.os-content-placeholder__corner--bl { bottom: 12px; left: 12px; border-width: 0 0 1px 1px; }
.os-content-placeholder__corner--br { right: 12px; bottom: 12px; border-width: 0 1px 1px 0; }
.os-content-placeholder__line {
  position: absolute;
  z-index: 2;
  background: rgba(245,244,239,.08);
  pointer-events: none;
}
.os-content-placeholder__line--h { width: 58%; height: 1px; }
.os-content-placeholder__line--v { width: 1px; height: 58%; }
.os-card:hover .os-content-placeholder,
.os-card:focus-visible .os-content-placeholder {
  border-color: rgba(245,244,239,.28);
  background-color: #0d0d0d;
}
.os-card:hover .os-content-placeholder__corner,
.os-card:focus-visible .os-content-placeholder__corner {
  width: 20px;
  height: 20px;
  border-color: rgba(245,244,239,.55);
}
.os-content-placeholder--wide { aspect-ratio: 16 / 9; }
.os-timeline__item .os-content-placeholder { margin-top: 18px; }
.os-year-section .os-content-placeholder { width: 100%; }
@media (max-width:699px) {
  .os-content-placeholder__category { font-size: 10px; letter-spacing: .17em; }
}

/* v1.17.8: Instagram feed presentation is delegated to Smash Balloon.
 * The theme controls only the outer placement and the quiet OSONOE.JP
 * treatment. Columns, spacing, crop ratio, and responsive breakpoints remain
 * authoritative. The theme only clears a legacy 50% width/float on the
 * plugin image wrapper so the configured columns can use the full section width.
 */
.os-latest__instagram { width: 100%; min-width: 0; }
.os-instagram--plugin { width: 100%; min-width: 0; }
.os-instagram--plugin #sb_instagram {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  background: transparent;
}
.os-instagram--plugin .sbi_header,
.os-instagram--plugin .sbi_follow_btn,
.os-instagram--plugin .sbi_load_btn { display: none; }
.os-instagram--plugin #sbi_images {
  width: 100% !important;
  max-width: none !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  float: none !important;
  box-sizing: border-box !important;
}
.os-instagram--plugin #sbi_images .sbi_photo { border-radius: 0; }

/* Keep the Instagram section visually integrated with the site's editorial rhythm. */
.os-latest__instagram .os-section-head--instagram { margin-bottom: 34px; }
.os-latest__instagram .os-instagram__cta { margin: -10px 0 34px; }
@media (max-width: 759px) {
  .os-latest__instagram .os-section-head--instagram { margin-bottom: 28px; }
  .os-latest__instagram .os-instagram__cta { margin: -6px 0 28px; }
}


/* v1.17.8: let Smash Balloon own columns, but always let the feed occupy the
 * full OSONOE.JP content width. Some feed configurations retain a legacy
 * 50% width on the #sb_instagram wrapper even when columns are set correctly. */
.os-instagram--plugin #sb_instagram,
.os-instagram--plugin #sb_instagram.sbi,
.os-instagram--plugin .sbi,
.os-instagram--plugin div[id^="sb_instagram"] {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  float: none !important;
  box-sizing: border-box !important;
}
.os-instagram--plugin #sbi_images,
.os-instagram--plugin .sbi_images {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  box-sizing: border-box !important;
}
.os-instagram--plugin #sbi_images .sbi_item {
  box-sizing: border-box;
}

/* Keep the fixed Instagram label aligned with the other homepage sections. */
.os-latest__instagram .os-section-head--instagram { margin-top: 0; }

/* Chronicle / content placeholders always keep a true circular observation mark,
 * regardless of the card's 4:3 or 16:9 aspect ratio. */
.os-content-placeholder::before {
  width: min(44%, 180px);
  height: auto;
  aspect-ratio: 1 / 1;
  inset: auto;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* v1.18.1: observation-axis refinement. Phase is administrative only. */
.os-timeline__id { display:inline-block; margin-left:10px; color:var(--os-muted); font-family:var(--os-heading-font); font-size:.72em; letter-spacing:.12em; font-weight:300; }
.os-timeline__type { margin:8px 0 0; color:var(--os-muted); font-family:var(--os-heading-font); font-size:9px; letter-spacing:.16em; line-height:1.2; }
@media (max-width:640px) { .os-timeline__id { margin-left:7px; font-size:.68em; } }


/* =========================================================
   v1.19.0 DESIGN / UX REFINEMENT
   Quiet / Spatial / Observational
   Less interface. More photograph.
   ========================================================= */

/* Homepage photography is the primary visual content. */
@media (min-width: 761px) {
  .os-grid--photos {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 28px);
    align-items: start;
  }
  .os-grid--photos .os-card { grid-column: span 3; }
  .os-grid--photos .os-card:nth-child(3n + 1) { grid-column: span 3; transform: none; }
  .os-grid--photos .os-card:first-child { grid-column: span 6; }
  .os-grid--photos .os-card:first-child .os-card__media { aspect-ratio: 16 / 10; }
  .os-grid--photos .os-card:nth-child(2),
  .os-grid--photos .os-card:nth-child(5) { margin-top: clamp(28px, 5vw, 72px); }
  .os-grid--photos .os-card:nth-child(3n + 1) .os-card__media { aspect-ratio: 4 / 3; }
}

@media (max-width: 760px) {
  .os-grid--photos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 10px; }
  .os-grid--photos .os-card { transform: none !important; }
  .os-grid--photos .os-card:first-child { grid-column: 1 / -1; }
  .os-grid--photos .os-card:first-child .os-card__media { aspect-ratio: 16 / 10; }
  .os-grid--photos .os-card__media { aspect-ratio: 4 / 3; }
}

/* Home cards: let the image carry the title; archive pages retain metadata. */
.home .os-grid--photos .os-card__body { padding-top: 9px; }
.home .os-grid--photos .os-card__meta { line-height: 1.5; }
.home .os-grid--photos .os-card__taxonomy { display: none; }

/* HERO: the photograph/orb remains dominant; duplicate signal navigation is subdued. */
.os-hero__side { opacity: .72; }
.os-hero__side li { transition: opacity .25s var(--os-ease); }
.os-hero__side li:hover { opacity: 1; }
@media (max-width: 1179px) { .os-hero__side { display: none !important; } }

/* Journal on HOME is editorial, not a generic blog card grid. */
.os-journal .os-grid--photos { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--os-line); }
.os-journal .os-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--os-line); }
.os-journal .os-card__media { display: none; }
.os-journal .os-card__body { padding: 0; min-width: 0; }
.os-journal .os-card__title { font-size: clamp(15px, 1.8vw, 20px); }
.os-journal .os-card__meta { margin-top: 5px; }
.os-journal .os-card__taxonomy { display: inline-block; margin-top: 4px; }
@media (max-width: 760px) {
  .os-journal .os-card { grid-template-columns: minmax(0, 1fr); gap: 3px; padding: 16px 0; }
  .os-journal .os-card__title { font-size: 16px; }
}

/* CHRONICLE: desktop remains spatial/horizontal; mobile becomes a clear vertical archive. */
@media (max-width: 760px) {
  .os-chronicle .os-timeline { display: block; overflow: visible; padding: 0 0 0 22px; border-left: 1px solid var(--os-line); }
  .os-chronicle .os-timeline__item { min-height: 0; margin: 0 0 42px; padding: 0 0 0 4px; border-top: 0; }
  .os-chronicle .os-timeline__item::before { top: 3px; left: -27px; width: 7px; height: 7px; }
  .os-chronicle .os-timeline__item::after { display: none; }
  .os-chronicle .os-timeline__image { margin-top: 16px; }
}

/* NEXT OBSERVATION is an afterglow, not a second hero. */
.os-next { min-height: 300px; }
.os-next__bg { opacity: .26; }
.os-next::after { background: linear-gradient(90deg, rgba(0,0,0,.94), rgba(0,0,0,.58), rgba(0,0,0,.94)); }
.os-next__phrase { color: rgba(245,244,239,.56); }

/* Instagram plugin owns the feed grid. The theme must never create a half-width blank column. */
.os-instagram--plugin { display: block !important; width: 100%; min-width: 0; }
.os-instagram--plugin #sbi_images,
.os-instagram--plugin .sbi_images { width: 100% !important; max-width: none !important; margin: 0 !important; }
.os-instagram--plugin #sbi_images .sbi_item,
.os-instagram--plugin .sbi_item { min-width: 0 !important; box-sizing: border-box !important; }

/* Thin visual controls, generous touch targets. */
.os-button,
.os-text-link,
.os-menu-toggle,
.os-nav__close,
.os-nav__origin,
.os-social__link { min-width: 44px; min-height: 44px; }
.os-button,
.os-text-link { padding-top: 10px; padding-bottom: 10px; }

/* Focus remains visible without changing the quiet visual language. */
.osonoe-theme :where(a, button, [tabindex]):focus-visible {
  outline: 2px solid rgba(245,244,239,.92);
  outline-offset: 4px;
  border-radius: 2px;
}

/* Keep non-current update markers quiet: only genuinely recent content gets the text signal. */
.os-section-update:not(.is-recent) .os-section-update__text { display: none; }
.os-section-update:not(.is-recent) .os-section-update__orb { opacity: .45; }

/* Avoid accidental tiny UI copy on narrow screens. */
@media (max-width: 760px) {
  .os-card__meta { font-size: 11px; }
  .os-card__taxonomy { font-size: 10px; }
  .os-section-update__text { font-size: 8px; }
}

/* Safe-area aware final controls. */
@supports (padding: max(0px)) {
  .os-hero .os-scroll { bottom: max(22px, env(safe-area-inset-bottom)); }
}

/* v1.21.0: homepage visual refinement */
.os-hero{min-height:100svh;min-height:100dvh;background:radial-gradient(circle at 58% 48%,rgba(255,255,255,.065),transparent 28%),#050505}.os-hero::before{inset:7%;border-color:rgba(255,255,255,.045);box-shadow:0 0 120px rgba(255,255,255,.035)}.os-hero__grid{opacity:.07;background-size:120px 120px;mask-image:radial-gradient(circle at 58% 48%,#000 0,transparent 62%)}.os-hero__copy{max-width:39rem}.os-hero__title{letter-spacing:.02em}.os-hero__subtitle{color:rgba(245,244,239,.72);font-family:var(--os-heading-font);font-size:11px;font-weight:var(--os-heading-weight)}.os-hero__text{color:rgba(245,244,239,.68);font-size:15px;line-height:1.9}.os-hero__signal{color:rgba(245,244,239,.55);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.18em}.os-orb-wrap{filter:drop-shadow(0 28px 70px rgba(0,0,0,.42))}.os-orb{border-color:rgba(245,244,239,.38);background:#090909;box-shadow:inset -34px -28px 70px rgba(0,0,0,.62),inset 12px 14px 30px rgba(255,255,255,.06),0 0 90px rgba(255,255,255,.055);animation:os-orb-float 8s ease-in-out infinite}.os-orb--panorama{isolation:isolate}.os-orb__canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:50%;opacity:0;transition:opacity .8s var(--os-ease)}.os-orb.is-webgl-ready .os-orb__canvas{opacity:1}.os-orb__fallback-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:50%;opacity:.12;filter:blur(1px) saturate(.85);transition:opacity .8s var(--os-ease)}.os-orb.is-webgl-ready .os-orb__fallback-image{opacity:0}.os-orb--panorama::after{z-index:2;background:radial-gradient(circle at 31% 22%,rgba(255,255,255,.16),transparent 12%),linear-gradient(115deg,transparent 42%,rgba(0,0,0,.28) 82%)}.os-orb--wireframe::after{z-index:2;background:radial-gradient(circle at 32% 23%,rgba(255,255,255,.08),transparent 10%),linear-gradient(115deg,transparent 42%,rgba(0,0,0,.24) 82%)}.os-orb__wireframe{stroke:rgba(245,244,239,.34);stroke-width:1}.os-orb--wireframe.is-animating .os-orb__wireframe{animation:os-wireframe-turn 24s linear infinite;transform-origin:300px 300px}@keyframes os-wireframe-turn{from{transform:rotate(-14deg) rotateY(0deg) scale(.94,.92)}to{transform:rotate(-14deg) rotateY(360deg) scale(.94,.92)}}.os-orb__ring{opacity:.7}.os-scroll{color:rgba(245,244,239,.52)}
.os-card__media{border:1px solid rgba(245,244,239,.16)}.os-card:hover .os-card__media{border-color:rgba(245,244,239,.32)}.os-card__body{padding:12px 2px 13px;border-bottom:1px solid var(--os-line)}.os-card__meta{display:flex;align-items:flex-start;flex-wrap:wrap;gap:8px 18px;color:rgba(245,244,239,.62);font-size:11px;letter-spacing:.025em}.os-card__meta>.os-date-system,.os-card__meta>.os-location-system{flex:1 1 140px}.os-card__taxonomy{color:rgba(245,244,239,.44);font-size:9px}.os-date-system__label,.os-location-system__label{color:rgba(245,244,239,.42);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.16em}.os-date-system__code{color:rgba(245,244,239,.78);font-family:var(--os-heading-font);font-size:12px;letter-spacing:.055em}.os-date-system__normal{color:rgba(245,244,239,.44);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.035em}.os-location-system__code{color:rgba(245,244,239,.66);font-family:var(--os-heading-font);font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.045em}.os-location-system__sub{color:rgba(245,244,239,.42);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.06em}.os-location-system--card .os-location-system__code{color:rgba(245,244,239,.66);font-size:11px}.os-location-system--card .os-location-system__sub{font-size:9px}
.os-journal .os-card__media{aspect-ratio:16/9}.os-journal .os-card__title{font-size:clamp(15px,1.8vw,19px);line-height:1.35}.os-journal .os-card__body{padding-top:14px}.os-journal .os-card__meta{margin-top:7px}
.os-chronicle-intro{border-top:1px solid var(--os-line)}.os-chronicle-intro__item{border-bottom:1px solid var(--os-line)}.os-chronicle-intro__link{display:grid;grid-template-columns:minmax(82px,.18fr) minmax(0,1fr) 120px 20px;gap:20px;align-items:center;min-height:104px;padding:14px 0}.os-chronicle-intro__year{font-family:var(--os-heading-font);color:rgba(245,244,239,.7);font-size:clamp(20px,3vw,30px);font-weight:var(--os-heading-weight)}.os-chronicle-intro__title{margin:0;font-family:var(--os-heading-font);font-size:clamp(16px,2vw,22px);font-weight:var(--os-heading-weight);line-height:1.25}.os-chronicle-intro__type{margin-top:6px;color:rgba(245,244,239,.42);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.14em;text-transform:uppercase}.os-chronicle-intro__thumb{width:120px;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--os-line)}.os-chronicle-intro__thumb img{width:100%;height:100%;object-fit:cover}.os-chronicle-intro__arrow{color:rgba(245,244,239,.42);font-size:16px}.os-chronicle-intro__link:hover .os-chronicle-intro__arrow{color:var(--os-text);transform:translate(2px,-2px)}
.os-footer{padding:34px 0 22px}.os-footer__grid{grid-template-columns:1fr auto;gap:24px;align-items:center}.os-footer__brand{font-family:var(--os-heading-font);font-size:14px;letter-spacing:.14em}.os-footer__grid .os-meta{font-family:var(--os-heading-font);font-size:9px;letter-spacing:.14em}.os-footer__nav{align-items:center;justify-content:flex-end;gap:8px 16px}.os-footer__legal{margin-top:22px;padding-top:14px;border-top:1px solid var(--os-line);font-family:var(--os-heading-font);font-size:9px;letter-spacing:.08em}
@media(max-width:759px){.os-hero__inner{gap:20px;padding-top:98px;padding-bottom:82px}.os-hero__title{font-size:clamp(2.7rem,15vw,4.4rem)}.os-hero__text{max-width:31rem;font-size:14px;line-height:1.85}.os-hero__signal{margin-top:18px;font-size:9px}.os-orb-wrap{width:min(72vw,330px)}.os-section{padding-block:clamp(62px,14vw,92px)}.os-heading{font-size:clamp(1.95rem,9vw,3rem)}.os-lead{font-size:15px;line-height:1.85}.os-card__title{font-size:15px}.os-card__meta{font-size:11px;gap:9px 14px}.os-date-system__code,.os-location-system--card .os-location-system__code{font-size:10.5px}.os-date-system__normal,.os-location-system--card .os-location-system__sub{font-size:8.5px}.os-chronicle-intro__link{grid-template-columns:68px minmax(0,1fr) 18px;gap:12px;min-height:88px}.os-chronicle-intro__thumb{display:none}.os-chronicle-intro__year{font-size:20px}.os-chronicle-intro__title{font-size:16px}.os-chronicle-intro__type{font-size:8px}.os-footer{padding:28px 0 18px}.os-footer__grid{grid-template-columns:1fr;gap:18px}.os-footer__nav{justify-content:flex-start}.os-footer__legal{display:flex;justify-content:space-between;gap:10px;font-size:8.5px;line-height:1.5}}
@media(max-width:380px){.os-card__meta>.os-date-system,.os-card__meta>.os-location-system{flex-basis:100%}.os-footer__legal{display:grid}}
@media(prefers-reduced-motion:reduce){.os-orb,.os-orb--wireframe.is-animating .os-orb__wireframe{animation:none}.os-chronicle-intro__link:hover .os-chronicle-intro__arrow{transform:none}}

@media (min-width:1080px){.os-hero__inner{grid-template-columns:minmax(280px,.82fr) minmax(420px,1.18fr);gap:5vw}.os-orb-wrap{width:min(46vw,650px)}}


/* v1.21.0: homepage experience pass. Keep photography first, clarify the hero, and connect photographs to Dimension. */
.os-hero__explore { margin: 16px 0 0; color: var(--os-muted); font-family: var(--os-heading-font), sans-serif; font-size: 9px; letter-spacing: .22em; line-height: 1.4; text-transform: uppercase; }
.os-hero__explore::before { content: ""; display: inline-block; width: 24px; height: 1px; margin: 0 9px 3px 0; background: currentColor; opacity: .6; }
.os-photo-card .os-card__media { border: 1px solid rgba(243,241,235,.16); }
.os-photo-card .os-card__dimension { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; padding-top: 8px; border-top: 1px solid var(--os-line); color: var(--os-muted); font-family: var(--os-heading-font), sans-serif; font-size: 9px; letter-spacing: .16em; line-height: 1.3; }
.os-photo-card:hover .os-card__dimension, .os-photo-card:focus-visible .os-card__dimension { color: var(--os-text); }
.os-photo-card .os-card__dimension span { font-size: 13px; transition: transform .35s var(--os-ease); }
.os-photo-card:hover .os-card__dimension span, .os-photo-card:focus-visible .os-card__dimension span { transform: translate(2px,-2px); }
.os-signals { border-top: 1px solid var(--os-line); }
.os-signals .os-section-head { padding-top: 18px; }
@media (max-width: 759px) {
  .os-hero__inner { padding-block: 88px 62px; gap: 20px; }
  .os-hero__text { font-size: 13px; line-height: 1.9; }
  .os-hero__explore { font-size: 8px; letter-spacing: .18em; }
  .os-section-head { align-items: flex-start; flex-direction: column; gap: 16px; margin-bottom: 26px; }
  .os-section-head__action { width: 100%; }
  .os-section-head__action .os-button { width: 100%; justify-content: space-between; }
  .os-grid--photos { gap: 18px 10px; }
  .os-grid--photos .os-card:nth-child(3n+1) { transform: none; }
}
@media (min-width: 760px) {
  .os-hero__text { max-width: 27rem; }
  .os-hero__explore { margin-top: 20px; }
}


/* v1.22.0: homepage refinement from live-site review. */
.os-section { border-top-color: rgba(245,244,239,.085); }
.os-signals { border-top-color: rgba(245,244,239,.085); }
.os-card__body { border-bottom-color: rgba(245,244,239,.085); }
.os-photo-card .os-card__dimension { border-top-color: rgba(245,244,239,.075); }
.os-timeline__item::after { background: rgba(245,244,239,.075); }

/* A placeholder already carries its own observation frame. Do not stack a second card border. */
.os-card__media:has(.os-content-placeholder) { border-color: transparent; }
.os-card:has(.os-content-placeholder):hover .os-card__media,
.os-card:has(.os-content-placeholder):focus-visible .os-card__media { border-color: transparent; }

/* Metadata reads as one system: label -> value -> secondary line. */
.os-date-system__elapsed { gap: 3px; }
.os-date-system__normal { margin-top: 1px; }
.os-location-system--card .os-location-system__label { display: block; font-size: 8px; letter-spacing: .16em; color: rgba(245,244,239,.40); }
.os-location-system--card .os-location-system__code { font-size: 10px; }
.os-location-system--card .os-location-system__sub { font-size: 8.5px; }

/* Section-head actions should feel like editorial navigation, not full-width UI bars. */
.os-section-head__action { width: auto; }
.os-section-head__action .os-button { width: auto; justify-content: center; }

/* Hero: make the photographic globe feel like the main visual, while the wireframe remains the immediate fallback. */
.os-orb-wrap { width: min(88vw, 640px); }
.os-orb__fallback-image { opacity: .22; filter: blur(1.2px) saturate(.82); }
.os-orb--panorama:not(.is-webgl-ready) { background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.045), transparent 64%), #080808; }
.os-orb--panorama:not(.is-webgl-ready)::before { content: ""; position: absolute; inset: 3%; z-index: 1; border: 1px solid rgba(245,244,239,.18); border-radius: 50%; pointer-events: none; }
.os-orb__canvas { z-index: 1; }
.os-orb__fallback-image { z-index: 0; }
.os-orb--panorama::after { z-index: 2; }
@media (min-width:1080px) { .os-orb-wrap { width: min(52vw, 720px); } }

/* Header: quieter glass, slightly more precise brand/menu proportions. */
.os-header { padding-block: 16px; background: rgb(5 5 5 / .48); }
.os-brand__name { font-size: 13px; letter-spacing: .16em; }
.os-brand__tagline { font-size: 7.5px; letter-spacing: .20em; }
.os-menu-toggle { width: 42px; height: 42px; border-color: rgba(245,244,239,.13); background: rgba(5,5,5,.42); }
.os-menu-toggle__bars { width: 17px; gap: 5px; }
.os-menu-toggle__bars > span { width: 17px; }
.os-nav__origin { border-bottom-color: rgba(245,244,239,.08); }
.os-nav li { border-bottom-color: rgba(245,244,239,.075); }

@media (max-width:759px) {
  .os-orb-wrap { width: min(94vw, 400px); }
  .os-section-head__action { width: auto; }
  .os-section-head__action .os-button { width: auto; }
}


/* v1.25.0: homepage cleanup. Categorized Photographs only, exact placeholder framing, quieter Hero exit. */
.os-photo-card .os-card__media:has(.os-content-placeholder) {
  border: 0;
}
.os-photo-card .os-card__media > .os-content-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}

/* v1.24.0: THE OBSERVATION PORTAL. The hero is an immersive photographic threshold, not a decorative splash screen. */
.os-hero[data-hero-stage] {
  min-height: 100svh;
  min-height: 100dvh;
  display: block;
  position: relative;
  overflow: clip;
  isolation: isolate;
  background: #030303;
  --hero-px: 0px;
  --hero-py: 0px;
}
.os-hero[data-hero-stage]::before { content: none; }
.os-hero__backdrop,
.os-hero__veil,
.os-hero__focus,
.os-hero__grid { position: absolute; inset: 0; pointer-events: none; }
.os-hero__backdrop {
  z-index: -5;
  background-image: var(--hero-preview-image);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  filter: blur(22px) saturate(.72) contrast(.92);
  transform: translate3d(var(--hero-px), var(--hero-py), 0) scale(1.16);
  opacity: .34;
  transition: opacity 1.1s var(--os-ease), transform .8s var(--os-ease);
  will-change: transform;
}
.os-hero__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 54%, rgba(245,244,239,.09), transparent 24%), radial-gradient(circle at 50% 48%, transparent 18%, rgba(0,0,0,.74) 70%, rgba(0,0,0,.96) 100%);
}
.os-hero__veil {
  z-index: -4;
  background: linear-gradient(180deg, rgba(3,3,3,.66) 0%, rgba(3,3,3,.28) 34%, rgba(3,3,3,.56) 72%, #030303 100%);
}
.os-hero__focus {
  z-index: -3;
  inset: auto 50% 15%;
  width: min(72vw, 760px);
  height: min(72vw, 760px);
  transform: translate(-50%, 0);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,244,239,.075) 0%, rgba(245,244,239,.025) 26%, transparent 67%);
  filter: blur(8px);
}
.os-hero__grid {
  z-index: -2;
  opacity: .055;
  background-image: linear-gradient(rgba(245,244,239,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(245,244,239,.06) 1px, transparent 1px);
  background-size: 110px 110px;
  mask-image: radial-gradient(circle at 50% 52%, #000 0, transparent 66%);
}
.os-hero__inner {
  min-height: 100svh;
  min-height: 100dvh;
  width: min(100%, var(--os-max));
  margin-inline: auto;
  padding: clamp(88px, 11vh, 126px) var(--os-gutter) clamp(76px, 9vh, 112px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  position: relative;
  z-index: 3;
}
.os-hero__copy {
  width: min(100%, 720px);
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 5;
}
.os-hero__title {
  margin: 0;
  font-size: clamp(3rem, 9.5vw, 6rem);
  line-height: .9;
  letter-spacing: .015em;
  text-shadow: 0 2px 34px rgba(0,0,0,.35);
}
.os-hero__subtitle {
  margin-top: 17px;
  color: rgba(245,244,239,.68);
  font-family: var(--os-heading-font), sans-serif;
  font-size: 10px;
  letter-spacing: .25em;
  text-transform: uppercase;
}
.os-hero__text {
  width: min(100%, 34rem);
  margin: 26px auto 0;
  color: rgba(245,244,239,.74);
  font-size: 14px;
  line-height: 1.9;
  text-shadow: 0 2px 22px rgba(0,0,0,.52);
}
.os-hero__explore {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 20px auto 0;
  color: rgba(245,244,239,.64);
  font-family: var(--os-heading-font), sans-serif;
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  transition: color .45s var(--os-ease), opacity .45s var(--os-ease);
}
.os-hero__explore::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-right: 10px;
  background: currentColor;
  opacity: .55;
}
.os-hero__explore::after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-left: 10px;
  background: currentColor;
  opacity: .22;
}
.os-orb-wrap {
  width: min(82vw, 560px);
  aspect-ratio: 1;
  margin: clamp(12px, 2vh, 22px) auto 0;
  position: relative;
  filter: drop-shadow(0 32px 80px rgba(0,0,0,.62));
  transform: translate3d(var(--hero-px), calc(var(--hero-py) * .65), 0);
  transition: transform .7s var(--os-ease), filter .7s var(--os-ease);
  will-change: transform;
}
.os-orb {
  position: absolute;
  inset: 6%;
  z-index: 3;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid rgba(245,244,239,.34);
  background: #070707;
  box-shadow: inset -38px -28px 76px rgba(0,0,0,.64), inset 14px 14px 32px rgba(255,255,255,.07), 0 0 100px rgba(245,244,239,.055);
  cursor: grab;
  animation: os-orb-float-cinematic 9s ease-in-out infinite;
  touch-action: pan-y;
}
.os-orb.is-dragging { cursor: grabbing; }
.os-orb--panorama::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 50%;
  box-shadow: inset 24px 20px 42px rgba(255,255,255,.05), inset -42px -34px 80px rgba(0,0,0,.68);
  pointer-events: none;
}
.os-orb--panorama::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 20%, rgba(255,255,255,.13), transparent 13%), linear-gradient(112deg, transparent 45%, rgba(0,0,0,.22) 82%);
  pointer-events: none;
}
.os-orb__fallback-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  opacity: .78;
  filter: saturate(.88) contrast(.96);
  transition: opacity .9s var(--os-ease), filter .9s var(--os-ease);
}
.os-orb.is-webgl-ready .os-orb__fallback-image { opacity: 0; }
.os-orb__canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; border-radius: 50%; opacity: 0; transition: opacity 1s var(--os-ease); }
.os-orb.is-webgl-ready .os-orb__canvas { opacity: 1; }
.os-orb__ring {
  position: absolute;
  z-index: 1;
  inset: -2%;
  border: 1px solid rgba(245,244,239,.13);
  border-radius: 50%;
  transform: rotate(-14deg) scaleY(.46);
  pointer-events: none;
}
.os-orb__ring::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 6px;
  height: 6px;
  border: 1px solid rgba(245,244,239,.42);
  border-radius: 50%;
  background: #050505;
  transform: translate(-50%,-50%);
}
.os-orb__orbit {
  position: absolute;
  z-index: 0;
  inset: 8%;
  border: 1px solid rgba(245,244,239,.055);
  border-radius: 50%;
  pointer-events: none;
}
.os-orb__orbit.orbit-a { transform: rotate(20deg) scaleY(.27); animation: os-orbit-a 24s linear infinite; }
.os-orb__orbit.orbit-b { inset: 2%; transform: rotate(-48deg) scaleY(.53); opacity: .8; animation: os-orbit-b 38s linear infinite reverse; }
.os-hero__destination {
  position: absolute;
  left: 50%;
  bottom: clamp(66px, 8vh, 92px);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-50%);
  color: rgba(245,244,239,.42);
  font-family: var(--os-heading-font), sans-serif;
  font-size: 8px;
  letter-spacing: .25em;
  white-space: nowrap;
  text-transform: uppercase;
}
.os-hero__destination i { display: block; width: 30px; height: 1px; background: currentColor; opacity: .7; }
 .os-scroll {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: max(22px, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(245,244,239,.34);
  font-family: var(--os-heading-font), sans-serif;
  font-size: 8px;
  letter-spacing: .18em;
  text-transform: uppercase;
  transform: translate3d(-50%, 0, 0);
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  transition: opacity .35s ease, visibility .35s ease;
  will-change: opacity;
}
.os-scroll.is-hidden {
  opacity: 0;
  visibility: hidden;
}
.os-scroll i { display: block; width: 1px; height: 22px; background: linear-gradient(to bottom, rgba(245,244,239,.4), transparent); animation: os-scroll-pulse 2.6s ease-in-out infinite; }
@keyframes os-orb-float-cinematic { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes os-orbit-a { from { transform: rotate(20deg) scaleY(.27); } to { transform: rotate(380deg) scaleY(.27); } }
@keyframes os-orbit-b { from { transform: rotate(-48deg) scaleY(.53); } to { transform: rotate(-408deg) scaleY(.53); } }
@keyframes os-scroll-pulse { 0%,100% { opacity: .35; transform: scaleY(.7); transform-origin: top; } 50% { opacity: .85; transform: scaleY(1); transform-origin: top; } }
.os-hero[data-hero-stage]:hover .os-hero__backdrop { opacity: .39; }
.os-hero[data-hero-stage]:has(.os-orb.is-dragging) .os-hero__focus { opacity: 1.18; }
.os-hero[data-hero-stage]:has(.os-orb.is-dragging) .os-hero__explore { color: rgba(245,244,239,.88); }
@media (min-width: 760px) {
  .os-hero__inner { padding-top: clamp(96px, 12vh, 138px); }
  .os-hero__title { font-size: clamp(4rem, 8vw, 7.4rem); }
  .os-hero__text { font-size: 15px; }
  .os-orb-wrap { width: min(52vw, 660px); margin-top: clamp(18px, 2vh, 28px); }
}
@media (min-width: 1080px) {
  .os-hero__inner { padding-top: 12vh; padding-bottom: 10vh; }
  .os-orb-wrap { width: min(46vw, 700px); margin-top: 18px; }
}
@media (max-width: 759px) {
  .os-hero__inner { padding-top: 94px; padding-bottom: 74px; }
  .os-hero__title { font-size: clamp(3rem, 15vw, 4.6rem); }
  .os-hero__subtitle { margin-top: 15px; font-size: 9px; letter-spacing: .22em; }
  .os-hero__text { width: min(100%, 24rem); margin-top: 22px; font-size: 13.5px; line-height: 1.9; }
  .os-hero__explore { margin-top: 18px; font-size: 8px; }
  .os-orb-wrap { width: min(86vw, 390px); margin-top: 12px; }
  .os-hero__destination { bottom: 62px; font-size: 7.5px; }
  .os-scroll { bottom: max(16px, env(safe-area-inset-bottom)); font-size: 7px; }
  .os-hero__backdrop { filter: blur(18px) saturate(.68) contrast(.9); opacity: .3; }
}
@media (prefers-reduced-motion: reduce) {
  .os-orb,
  .os-orb__orbit.orbit-a,
  .os-orb__orbit.orbit-b,
  .os-scroll i { animation: none; }
  .os-hero__backdrop,
  .os-orb-wrap { transform: none; transition: none; }
}


/* v1.33.0: keep Photograph cards scoped to the Photograph content type and make placeholder frames close cleanly. */
.os-photo-card .os-card__media:has(.os-content-placeholder) {
  border: 0;
  box-shadow: inset 0 0 0 1px rgba(245,244,239,.16);
}
.os-photo-card .os-card__media:has(.os-content-placeholder) > .os-content-placeholder {
  border: 0;
}
.os-photo-card:hover .os-card__media:has(.os-content-placeholder),
.os-photo-card:focus-visible .os-card__media:has(.os-content-placeholder) {
  box-shadow: inset 0 0 0 1px rgba(245,244,239,.28);
}


/* v1.33.0: photograph cards are driven by the Photograph CPT; make placeholder framing independent of :has(). */
.os-photo-card .os-card__media--placeholder {
  border: 0;
  box-shadow: inset 0 0 0 1px rgba(245,244,239,.16);
}
.os-photo-card .os-card__media--placeholder > .os-content-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border: 0;
  box-shadow: none;
}
.os-photo-card:hover .os-card__media--placeholder,
.os-photo-card:focus-visible .os-card__media--placeholder {
  box-shadow: inset 0 0 0 1px rgba(245,244,239,.28);
}


/* v1.33.0: Photograph-card LOCATION is optically aligned to ELAPSED.
 * Match the exact type metrics and row rhythm of the ELAPSED system.
 * The previous pass used the heading font for the LOCATION label/subline,
 * which made the glyphs sit visibly higher on iPhone even when the boxes aligned.
 */
.os-location-system--card {
  display: grid;
  gap: 3px;
  min-width: 0;
  margin-top: 7px;
  padding-top: 0;
}
.os-location-system--card .os-location-system__label {
  display: block;
  margin: 0;
  color: var(--os-text-muted);
  font-family: var(--os-body-font);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
}
.os-location-system--card .os-location-system__code {
  color: rgba(245,244,239,.78);
  font-family: var(--os-heading-font);
  font-size: 13px;
  font-weight: var(--os-heading-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: .055em;
  line-height: 1.25;
  white-space: nowrap;
}
.os-location-system--card .os-location-system__sub {
  margin-top: 1px;
  max-width: none;
  color: rgba(245,244,239,.44);
  font-family: var(--os-body-font);
  font-size: 10px;
  font-weight: var(--os-body-weight);
  letter-spacing: .035em;
  line-height: 1.3;
  white-space: nowrap;
  text-transform: none;
}
@media (max-width: 759px) {
  .os-location-system--card .os-location-system__code { font-size: 10.5px; }
  .os-location-system--card .os-location-system__sub { font-size: 8.5px; }
}


/* v1.34.0: keep the Hero viewport stable on mobile Safari.
 * The hero must not grow/shrink with the browser chrome while scrolling.
 * The scroll cue belongs to the Hero itself, so it moves with the Hero and
 * naturally disappears outside the Hero instead of remaining fixed over the page.
 */
.os-hero {
  height: 100svh;
  min-height: 100svh;
  max-height: 100svh;
}
.os-hero .os-scroll {
  position: absolute;
  left: var(--os-gutter);
  bottom: max(22px, env(safe-area-inset-bottom));
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  transition: opacity .25s ease, visibility .25s ease;
}
.os-hero .os-scroll.is-hidden {
  opacity: 0;
  visibility: hidden;
}
@media (max-width: 759px) {
  .os-hero {
    height: 100svh;
    min-height: 100svh;
    max-height: 100svh;
  }
}

/* v1.35.0: center the Hero scroll cue inside the Hero viewport. */
.os-hero .os-scroll {
  left: 50%;
  right: auto;
  transform: translate3d(-50%, 0, 0);
  width: max-content;
  margin: 0;
}
@media (max-width: 759px) {
  .os-hero .os-scroll {
    left: 50%;
    right: auto;
    transform: translate3d(-50%, 0, 0);
  }
}


/* v1.36.0: homepage stability pass.
 * Keep the Hero as one deterministic viewport, keep the scroll cue inside that
 * viewport, and remove legacy fixed-position behavior that could leak the cue
 * into sections below the Hero on mobile browsers.
 */
.os-hero[data-hero-stage] {
  height: 100svh;
  min-height: 100svh;
  max-height: 100svh;
  overflow: hidden;
  box-sizing: border-box;
}
.os-hero[data-hero-stage] .os-hero__inner {
  height: 100%;
  min-height: 0;
  box-sizing: border-box;
  overflow: hidden;
}
.os-hero[data-hero-stage] .os-scroll {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: max(22px, env(safe-area-inset-bottom));
  width: max-content;
  margin: 0;
  transform: translate3d(-50%, 0, 0);
  z-index: 8;
  opacity: 1;
  visibility: visible;
  pointer-events: none;
}
.os-hero[data-hero-stage] .os-scroll.is-hidden {
  opacity: 0;
  visibility: hidden;
}
@media (max-width: 759px) {
  .os-hero[data-hero-stage] .os-scroll {
    left: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
  }
}

/* v1.37.0: Hero breathing room + definitive Photograph placeholder frame.
 * The scroll cue is intentionally separated from the sphere so it reads as
 * navigation, not as a control attached to the photographic object.
 * Placeholder framing lives on the media box itself. This avoids the 1px
 * child-border overflow that could clip the bottom edge when the fallback is
 * positioned with inset:0.
 */
.os-hero[data-hero-stage] .os-scroll {
  bottom: max(46px, calc(env(safe-area-inset-bottom) + 24px));
}
@media (max-width: 759px) {
  .os-hero[data-hero-stage] .os-scroll {
    bottom: max(40px, calc(env(safe-area-inset-bottom) + 22px));
  }
}

.os-photo-card .os-card__media--placeholder {
  box-sizing: border-box;
  border: 1px solid rgba(245,244,239,.16) !important;
  box-shadow: none;
}
.os-photo-card .os-card__media--placeholder > .os-content-placeholder {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: auto;
  inset: 0;
  border: 0 !important;
  box-shadow: none;
}
.os-photo-card:hover .os-card__media--placeholder,
.os-photo-card:focus-visible .os-card__media--placeholder {
  border-color: rgba(245,244,239,.28) !important;
}