/*
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。v1.6.5では、英字見出しにOswald、日本語本文にNoto Sans JPを採用し、SNSアイコンを大きな円形ボタンに整えました。
Version: 1.6.5
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", sans-serif;
  --os-body-font: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --os-bg: #050505;
  --os-surface: #0c0c0c;
  --os-surface-2: #121212;
  --os-text: #f5f4ef;
  --os-muted: #a5a39d;
  --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);
  --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", sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
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: 300; 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; }
.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: 700; 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, .os-menu-toggle__bars::before, .os-menu-toggle__bars::after { width: 17px; height: 1px; background: currentColor; transition: transform .3s var(--os-ease); }
.os-menu-toggle__bars { position: relative; }
.os-menu-toggle__bars::before, .os-menu-toggle__bars::after { content: ""; position: absolute; left: 0; }
.os-menu-toggle__bars::before { transform: translateY(-5px); }
.os-menu-toggle__bars::after { transform: translateY(5px); }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars { background: transparent; }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars::before { transform: rotate(45deg); }
.os-menu-toggle[aria-expanded="true"] .os-menu-toggle__bars::after { transform: rotate(-45deg); }
.os-nav { position: fixed; z-index: 900; inset: 0; display: grid; place-items: center; padding: 90px 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 ul { width: min(100%, 720px); margin: 0; 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: 300; 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-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: 28px; align-items: center; padding-block: 110px 70px; }
.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: 300; 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(82vw, 560px); 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: 500; line-height: 1.35; }
.os-card__meta { margin-top: 5px; color: var(--os-muted); font-size: 10px; letter-spacing: .05em; }
.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; 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: 300; 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: clamp(64px, 9vw, 112px); }
.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: 22px; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; }

/* Singular / archives */
.os-page { padding-top: 120px; }
.os-page__header { padding-block: 72px 44px; }
.os-page__header p { max-width: 650px; color: var(--os-muted); }
.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-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 */
.os-viewer { position: relative; overflow: hidden; aspect-ratio: 2/1; min-height: 300px; background: #111; border: 1px solid var(--os-line); }
.os-viewer canvas { width: 100%; height: 100%; cursor: grab; touch-action: none; }
.os-viewer.is-dragging canvas { cursor: grabbing; }
.os-viewer__fallback { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.os-viewer__hint { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); padding: 6px 10px; border: 1px solid var(--os-line); border-radius: 999px; background: rgba(0,0,0,.55); backdrop-filter: blur(8px); color: #fff; font-size: 10px; letter-spacing: .1em; pointer-events: none; white-space: nowrap; }

/* 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(50vw, 620px); }
  .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 { 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(44vw, 650px); }
}

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

/* 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: 500; 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; } }

/* Instagram Feed plugin integration: OSONOE.JP responsive gallery */
.os-instagram--plugin { width: 100%; min-width: 0; }
.os-instagram--plugin #sb_instagram { width: 100% !important; max-width: none !important; margin: 0 !important; padding: 0 !important; background: transparent !important; }
.os-instagram--plugin #sbi_images { display: grid !important; grid-template-columns: repeat(2, minmax(0, 1fr)) !important; gap: 8px !important; width: 100% !important; margin: 0 !important; padding: 0 !important; }
.os-instagram--plugin #sbi_images .sbi_item { width: auto !important; margin: 0 !important; padding: 0 !important; float: none !important; }
.os-instagram--plugin #sbi_images .sbi_photo_wrap { width: 100% !important; margin: 0 !important; }
.os-instagram--plugin #sbi_images .sbi_photo { display: block !important; width: 100% !important; height: auto !important; min-height: 0 !important; aspect-ratio: 3 / 4 !important; padding: 0 !important; border: 0 !important; background-size: cover !important; background-position: center !important; }
.os-instagram--plugin #sbi_images .sbi_item:nth-child(n+5) { display: none !important; }
.os-instagram--plugin .sbi_load_btn,
.os-instagram--plugin .sbi_follow_btn { font-family: var(--os-heading-font) !important; letter-spacing: .08em !important; text-transform: none !important; }
.os-instagram--plugin .sbi_load_btn { border: 1px solid var(--os-line) !important; background: transparent !important; color: var(--os-text) !important; }
.os-instagram--plugin .sbi_load_btn,
.os-instagram--plugin .sbi_follow_btn { display: none !important; }
@media (min-width: 761px) {
  .os-instagram--plugin #sbi_images { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; gap: 10px !important; }
}


/* 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 { 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:14px 0 0; }
.os-instagram__cta a { display:inline-flex; align-items:center; gap:.42em; color:var(--os-muted); text-decoration:none; font-family:var(--os-heading-font); font-size:.78rem; font-weight:300; letter-spacing:.04em; line-height:1.5; transition:color .25s ease; }
.os-instagram__cta a:hover,.os-instagram__cta a:focus-visible { color:var(--os-text); }
.os-instagram__arrow { display:inline-block; transition:transform .25s ease; }
.os-instagram__cta a:hover .os-instagram__arrow,.os-instagram__cta a:focus-visible .os-instagram__arrow { transform:translateX(3px); }
@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: 64px; }
  .os-instagram--plugin #sbi_images { gap: 8px !important; }
  .os-instagram__cta { margin-top: 16px; }
  .os-instagram__cta a { font-size: .78rem; }
  .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 { width:24px; height:24px; }
.osonoe-theme .os-social__link::after { content:none !important; display:none !important; }