:root {
  --navy-950: var(--kuon-navy-header);
  --navy-900: var(--kuon-navy-deep);
  --navy-800: var(--kuon-navy-card);
  --cream-50: #fffaf2;
  --cream-100: #f8eddf;
  --cream-200: #ecd8bf;
  --ink: #12243b;
  --ink-soft: #4c5667;
  --gold: var(--kuon-gold);
  --gold-light: var(--kuon-gold-bright);
  --orange: var(--kuon-orange);
  --white: #fffdf8;
  --focus: #ffda65;
  --content: 1180px;
  --serif-jp: var(--kuon-font-jp);
  --serif-en: var(--kuon-font-en);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; background: var(--kuon-navy-header); }
/* bodyは透過: 各セクションが自前の背景を持ち、バー背後・ページ下端はTOPと同じ紺地・額縁に一体化させる（2026-08-07音声指示④） */
body { margin: 0; min-width: 320px; max-width: 1440px; margin-inline: auto; overflow-x: clip; color: var(--ink); background: transparent; font-family: var(--serif-jp); font-size: 16px; line-height: 1.85; }
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:where(a, button):focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.content-width { width: min(calc(100% - 64px), var(--content)); margin-inline: auto; }

/* 和文様額縁（TOPと同じ紺地＋金文様を左右に見せる。1440px超で額縁が現れる） */
@media (min-width: 753px) {
  html { background: #010c20 url("../img/bg_pc.jpg") center / cover no-repeat fixed; }
}

.support-button { border: 1px solid #e7b066; color: #fffaf1; background: linear-gradient(180deg, #b94b08, #8f3103); box-shadow: inset 0 0 0 2px rgba(255,233,195,.22), 0 6px 18px rgba(0,0,0,.24); }
.support-button:hover { filter: brightness(.92); }

.about-hero { position: relative; min-height: min(810px, calc(100svh - 76px)); isolation: isolate; display: grid; overflow: hidden; background: var(--navy-900); }
.hero-media, .hero-shade, .hero-content { grid-area: 1 / 1; }
.hero-media img { width: 100%; height: 100%; min-height: min(810px, calc(100svh - 76px)); object-fit: cover; object-position: center; }
.hero-shade { z-index: 1; background: linear-gradient(90deg, rgba(3,17,38,.76) 0%, rgba(3,17,38,.22) 50%, rgba(3,17,38,.04) 100%), linear-gradient(0deg, rgba(3,17,38,.58), transparent 40%); }
.hero-content { z-index: 2; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 56px; color: var(--white); }
.breadcrumb { position: absolute; top: 24px; margin: 0; display: flex; align-items: center; gap: 10px; color: rgba(255,253,248,.82); font-size: .82rem; }
.breadcrumb a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-decoration: underline; text-underline-offset: 4px; }
.hero-card { width: min(590px, 58%); padding: 38px 42px; background: rgba(6,26,53,.83); border: 1px solid rgba(224,178,115,.7); box-shadow: 0 20px 60px rgba(0,0,0,.22), inset 0 0 0 5px rgba(255,255,255,.035); }
.hero-card::before { display: block; width: 58px; height: 3px; margin-bottom: 24px; content: ""; background: var(--gold-light); }
.eyebrow, .section-kicker { margin: 0 0 8px; color: var(--gold); font-family: var(--serif-en); font-weight: 700; font-size: .78rem; letter-spacing: .18em; }
.hero-card .eyebrow { color: #f1c58b; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-family: var(--serif-en); font-size: clamp(2.6rem, 4vw, 4.6rem); line-height: 1.05; letter-spacing: .055em; white-space: nowrap; text-shadow: 0 3px 20px rgba(0,0,0,.25); }
h1 span { display: block; margin-top: 14px; font-family: var(--serif-jp); font-size: .3em; font-weight: 600; letter-spacing: .22em; }
.hero-card > p:not(.eyebrow) { margin: 24px 0; font-size: clamp(1rem, 1.4vw, 1.16rem); line-height: 2; }
.hero-card .hero-identity { margin-top: -10px; color: #f1c58b; font-size: .8125rem; letter-spacing: .08em; }
.primary-link, .secondary-button, .text-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; cursor: pointer; }
.primary-link { min-width: 280px; padding: 10px 22px; color: var(--white); background: var(--navy-950); border: 1px solid var(--gold-light); box-shadow: inset 0 0 0 3px rgba(255,255,255,.04); font-weight: 600; letter-spacing: .06em; }
.primary-link:hover { background: #102f55; }

.paper-section { position: relative; padding-block: clamp(72px, 8vw, 120px); background-color: var(--cream-50); background-image: radial-gradient(rgba(184,120,54,.075) 1px, transparent 1px); background-size: 16px 16px; }
.paper-section::before, .paper-section::after { position: absolute; left: 50%; width: min(calc(100% - 32px), 1320px); height: 1px; content: ""; transform: translateX(-50%); background: linear-gradient(90deg, transparent, var(--gold-light) 15%, var(--gold-light) 85%, transparent); opacity: .8; }
.paper-section::before { top: 12px; }
.paper-section::after { bottom: 12px; }
.section-kicker { color: #9d571e; }
.story-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, .82fr) minmax(300px, .86fr); gap: clamp(24px, 4vw, 54px); align-items: center; }
.story-grid > *, .role-day-grid > *, .origin-steps > *, .values-grid > *, .related-block > * { min-width: 0; }
.story-copy h2, .profile-card h2, .section-heading h2, .related-block h2, .message-copy h2 { margin: 0; color: var(--navy-900); font-size: clamp(1.75rem, 3vw, 2.8rem); line-height: 1.55; letter-spacing: .08em; }
.story-copy > p:not(.section-kicker) { margin: 1em 0; color: var(--ink-soft); }
.ornament { margin: 18px 0 24px; display: flex; align-items: center; gap: 12px; color: var(--gold); }
.ornament span { width: min(100px, 28%); height: 1px; background: var(--gold-light); }
.text-button { padding: 8px 0; border: 0; border-bottom: 1px solid currentColor; color: #7b441c; background: transparent; font-weight: 600; }
.portrait-frame { position: relative; margin: 0; padding: 8px; background: var(--navy-900); border: 1px solid var(--gold); box-shadow: 0 16px 40px rgba(16,25,40,.18); }
.portrait-frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.portrait-frame figcaption { position: absolute; right: 18px; bottom: 18px; padding: 6px 12px; color: var(--cream-100); background: rgba(3,17,38,.88); border: 1px solid var(--gold-light); font-family: var(--serif-en); font-size: .8125rem; letter-spacing: .12em; }
.profile-card { padding: clamp(24px, 3vw, 40px); background: rgba(255,253,248,.9); border: 1px solid var(--cream-200); box-shadow: 0 16px 40px rgba(16,25,40,.10); }
.profile-card dl { margin: 24px 0; }
.profile-card dl > div { min-height: 48px; display: grid; grid-template-columns: 5.5em 1fr; align-items: center; border-bottom: 1px solid var(--cream-200); }
.profile-card dt { color: #83521e; font-weight: 700; }
.profile-card dd { min-width: 0; margin: 0; overflow-wrap: anywhere; }
.profile-card dd span { min-width: 0; display: block; color: #767064; font-family: var(--serif-en); font-size: .8125rem; line-height: 1.4; letter-spacing: .06em; overflow-wrap: anywhere; }
.secondary-button { width: 100%; padding: 10px 18px; color: var(--cream-100); background: var(--navy-900); border: 1px solid var(--gold); font-weight: 600; }

.world-section { background-color: #f7eadb; }
.section-heading { max-width: 760px; margin: 0 auto clamp(36px, 5vw, 60px); text-align: center; }
.section-heading > p:last-child { color: var(--ink-soft); }
.world-visual { position: relative; margin: 0; padding: 8px; background: var(--navy-950); border: 1px solid var(--gold); box-shadow: 0 20px 52px rgba(5,18,39,.2); }
.world-visual img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.world-visual figcaption { position: absolute; right: 20px; bottom: 20px; padding: 7px 14px; color: var(--cream-100); background: rgba(3,17,38,.85); border-left: 3px solid var(--orange); font-size: .8125rem; }
.role-day-grid { margin-top: clamp(28px, 4vw, 52px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px); }
.role-card, .day-card { padding: clamp(24px, 4vw, 44px); background: rgba(255,253,248,.84); border: 1px solid var(--cream-200); }
.role-card h3, .day-card h3 { margin: 0 0 16px; color: var(--navy-900); font-size: clamp(1.3rem, 2vw, 1.75rem); line-height: 1.6; }
.role-list { margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; list-style: none; }
.role-list li { min-height: 58px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; color: var(--navy-900); background: var(--cream-50); border: 1px solid var(--cream-200); font-weight: 600; }
.role-list span { color: var(--orange); font-size: 1.25rem; }
.timeline { position: relative; margin: 24px 0 0; padding: 0; list-style: none; }
.timeline::before { position: absolute; top: 14px; bottom: 14px; left: 61px; width: 1px; content: ""; background: var(--gold); }
.timeline li { position: relative; min-height: 72px; display: grid; grid-template-columns: 76px 1fr; gap: 12px; }
.timeline li::before { position: absolute; top: 11px; left: 56px; width: 9px; height: 9px; content: ""; background: var(--cream-50); border: 2px solid var(--navy-900); border-radius: 50%; }
.timeline time { color: #8b4f21; font-family: var(--serif-en); font-weight: 700; font-size: .82rem; }
.timeline b { display: block; color: var(--navy-900); }
.timeline p { margin: 2px 0 0; color: var(--ink-soft); font-size: 1rem; }

.origin-art { max-width: 880px; margin: 0 auto 42px; padding: 8px; background: var(--cream-50); border: 1px solid var(--cream-200); }
.origin-art img { width: 100%; }
.origin-steps { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; list-style: none; counter-reset: none; }
.origin-steps li { position: relative; min-height: 240px; padding: 26px 20px; background: var(--white); border: 1px solid var(--cream-200); }
.origin-steps li > span { display: block; color: var(--orange); font-family: var(--serif-en); font-size: 1.9rem; line-height: 1; }
.origin-steps li:not(:last-child)::after { position: absolute; z-index: 1; top: 50%; right: -14px; width: 28px; height: 28px; display: grid; place-items: center; content: "→"; color: var(--gold); background: var(--cream-50); border-radius: 50%; transform: translateY(-50%); }
.origin-steps h3 { margin: 20px 0 10px; color: var(--navy-900); font-size: 1.12rem; }
.origin-steps p { margin: 0; color: var(--ink-soft); font-size: 1rem; }

.values-section { background-color: #f7eadb; }
.values-grid { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; list-style: none; }
.values-grid li { min-height: 260px; padding: 26px 18px; text-align: center; background: var(--cream-50); border: 1px solid var(--cream-200); box-shadow: inset 0 0 0 5px var(--cream-50), inset 0 0 0 6px rgba(184,120,54,.26); }
.values-grid li > span { width: 56px; height: 56px; margin: 0 auto 14px; display: grid; place-items: center; color: var(--orange); background: #fff; border: 1px solid rgba(160,120,70,.5); border-radius: 50%; box-shadow: 0 0 0 3px #fff, 0 0 0 4px rgba(201,160,99,.55); font-size: 1.6rem; }
.values-grid h3 { margin: 0 0 12px; color: var(--navy-900); font-size: 1.1rem; }
.values-grid p { margin: 0; color: var(--ink-soft); font-size: 1rem; }
.related-block { margin-top: clamp(44px, 7vw, 84px); padding: clamp(24px, 4vw, 46px); display: grid; grid-template-columns: minmax(200px, .7fr) 1.3fr; gap: 36px; align-items: center; color: var(--cream-100); background: var(--navy-900); border: 1px solid var(--gold); }
.related-block .section-kicker { color: var(--gold-light); }
.related-block h2 { color: var(--cream-100); font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
.related-links { display: grid; }
.related-links a { min-height: 64px; padding: 10px 12px; display: grid; grid-template-columns: 36px 1fr auto; gap: 10px; align-items: center; border-bottom: 1px solid rgba(224,178,115,.35); }
.related-links a:first-child { border-top: 1px solid rgba(224,178,115,.35); }
.related-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.related-links a > span:first-child { color: var(--gold-light); font-size: 1.25rem; }

.message-section { position: relative; min-height: 650px; isolation: isolate; display: grid; overflow: hidden; color: var(--cream-100); background: var(--navy-950); }
.message-media, .message-shade, .message-inner { grid-area: 1 / 1; }
.message-media img { width: 100%; height: 100%; min-height: 650px; object-fit: cover; }
.message-shade { z-index: 1; background: linear-gradient(90deg, transparent 0 38%, rgba(3,17,38,.32) 50%, rgba(3,17,38,.94) 72%); }
.message-inner { z-index: 2; display: flex; align-items: center; justify-content: flex-end; padding-block: 72px; }
.message-copy { width: min(52%, 590px); padding: clamp(26px, 4vw, 52px); background: rgba(3,17,38,.78); border: 1px solid rgba(224,178,115,.65); }
.message-copy .section-kicker { color: var(--gold-light); }
.message-copy h2 { color: var(--cream-100); }
.message-copy blockquote { margin: 28px 0; padding: 0; }
.message-copy blockquote p { margin: 1em 0; font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 2.1; }
.message-copy cite { display: block; color: #dbc7a7; text-align: right; font-style: normal; }
.message-support { width: 100%; min-height: 70px; padding: 12px 18px; display: flex; align-items: center; justify-content: center; gap: 14px; border-radius: 4px; cursor: pointer; }
.message-support > span:first-child { font-size: 1.5rem; }
.message-support b, .message-support small { display: block; }
.message-support small { font-size: .8125rem; font-weight: 500; }

.reveal-target { opacity: 1; transform: none; }

@media (max-width: 1120px) {
  .story-grid { grid-template-columns: 1fr 1fr; }
  .story-copy { grid-column: 1 / -1; max-width: 760px; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 940px) {
  .about-hero { min-height: min(760px, calc(100svh - 68px)); }
  .hero-media img { min-height: min(760px, calc(100svh - 68px)); }
  .hero-card { width: min(620px, 72%); }
  .origin-steps { grid-template-columns: 1fr 1fr; }
  .origin-steps li::after { display: none; }
}

@media (max-width: 767px) {
  .content-width { width: min(calc(100% - 32px), var(--content)); }
  .about-hero { min-height: 0; display: block; padding-bottom: 44px; }
  .hero-media img { width: 100%; min-height: 0; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; }
  .hero-shade { display: none; }
  .hero-content { margin-top: -52px; padding-block: 0; display: block; color: var(--cream-100); }
  .breadcrumb { position: static; margin-bottom: 10px; }
  .hero-card { width: 100%; padding: clamp(26px, 8vw, 38px); background: var(--navy-900); box-shadow: 0 16px 40px rgba(0,0,0,.22); }
  h1 { font-size: clamp(2rem, 9vw, 2.65rem); white-space: nowrap; }
  h1 span { font-size: .34em; }
  .hero-card > p:not(.eyebrow) { margin: 18px 0 22px; }
  .desktop-break { display: none; }
  .primary-link { width: 100%; min-width: 0; }
  .paper-section { padding-block: 64px; }
  .story-grid { grid-template-columns: 1fr; gap: 30px; }
  .story-copy { grid-column: auto; }
  .portrait-frame { order: 2; }
  .profile-card { order: 3; }
  .portrait-frame img { aspect-ratio: auto; object-fit: contain; }
  .role-day-grid { grid-template-columns: 1fr; }
  .role-card, .day-card { padding: 24px 20px; }
  .role-list { grid-template-columns: 1fr 1fr; }
  .world-visual { padding: 5px; }
  .world-visual img { aspect-ratio: 4 / 3; }
  .world-visual figcaption { position: static; padding: 8px 10px; border-left: 0; text-align: center; }
  .origin-art { padding: 4px; }
  .origin-steps { grid-template-columns: 1fr; }
  .origin-steps li { min-height: 0; display: grid; grid-template-columns: 62px 1fr; gap: 12px; }
  .origin-steps h3 { margin-top: 0; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .values-grid li { min-height: 230px; }
  .values-grid li:last-child { grid-column: 1 / -1; width: calc(50% - 7px); justify-self: center; }
  .related-block { grid-template-columns: 1fr; gap: 22px; }
  .message-section { min-height: 0; display: block; padding-bottom: 48px; }
  .message-media img { min-height: 0; aspect-ratio: 4 / 5; object-fit: cover; object-position: left top; }
  .message-shade { display: none; }
  .message-inner { margin-top: -46px; padding-block: 0; display: block; }
  .message-copy { width: 100%; padding: 28px 24px; background: rgba(3,17,38,.98); }
}

@media (max-width: 420px) {
  .role-list { grid-template-columns: 1fr; }
  .values-grid { gap: 10px; }
  .values-grid li { min-height: 215px; padding: 22px 12px; }
  .values-grid li:last-child { width: calc(50% - 5px); }
}

@media (orientation: landscape) and (max-height: 520px) and (max-width: 940px) {
  .about-hero { min-height: 640px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .js .reveal-target { opacity: 1; transform: none; }
}

@media (forced-colors: active) {
  .related-block, .message-copy, .hero-card { border: 1px solid CanvasText; }
  .support-button, .secondary-button, .primary-link { border: 2px solid ButtonText; }
}

:where(a, button):focus-visible { box-shadow: 0 0 0 3px #004c82; }