@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Noto+Sans:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400;500;600&family=Noto+Sans+SC:wght@300;400;500;600&family=Noto+Sans+TC:wght@300;400;500;600&family=Noto+Serif:wght@300;400;500;600&family=Noto+Serif+JP:wght@300;400;500;600&family=Noto+Serif+SC:wght@300;400;500;600&family=Noto+Serif+TC:wght@300;400;500;600&display=swap');

:root {
  --ink: #09090c;
  --ink-soft: #111218;
  --paper: #f3f3f0;
  --white: #fafafa;
  --muted: #9b9ca5;
  --line: rgba(255,255,255,.2);
  --dark-line: rgba(9,9,12,.18);
  --blue: #536bff;
  --cyan: #88b9db;
  --serif: "Noto Serif", "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans", "Noto Sans SC", "Songti SC", sans-serif;
  --body: var(--serif);
}

html[lang="zh-Hans"] { --serif:"Noto Serif","Noto Serif SC","Songti SC",serif; --sans:"Noto Sans","Noto Sans SC","Songti SC",sans-serif; }
html[lang="zh-Hant"] { --serif:"Noto Serif","Noto Serif TC","Songti SC",serif; --sans:"Noto Sans","Noto Sans TC","Songti SC",sans-serif; }
html[lang="ja"] { --serif:"Noto Serif","Noto Serif JP","Songti SC",serif; --sans:"Noto Sans","Noto Sans JP","Songti SC",sans-serif; }
html[lang="en"] { --serif:"Noto Serif","Songti SC",serif; --sans:"Noto Sans","Songti SC",sans-serif; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: #595b69 #09090c; }
body { margin: 0; color: var(--white); background: var(--ink); font-family: var(--body); overflow-x: hidden; }
button, a { color: inherit; font: inherit; }
a { text-decoration: none; }
button { cursor: pointer; }
::selection { color: var(--ink); background: #cdd7ff; }

.grain { position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: .13; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E"); }

.site-header { position: fixed; inset: 0 0 auto; height: 88px; z-index: 80; display: grid; grid-template-columns: 230px 1fr 180px; align-items: center; padding: 0 5vw; background: rgba(11,11,15,.78); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(18px); transition: height .35s, background .35s; }
.site-header.is-scrolled { height: 70px; background: rgba(8,8,11,.93); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.6); font: 500 26px/1 var(--serif); }
.brand-copy { display: flex; flex-direction: column; letter-spacing: .12em; }
.brand-copy b { font: 500 15px/1.1 var(--serif); }
.brand-copy small { margin-top: 4px; font: 8px/1 var(--sans); opacity: .55; }
.main-nav { display: flex; justify-content: center; gap: clamp(20px, 3.7vw, 64px); }
.main-nav a { position: relative; padding: 32px 0; color: rgba(255,255,255,.62); font: 500 18px/1 var(--serif); letter-spacing: .03em; transition: color .25s; }
.main-nav a span { position: absolute; top: 17px; left: 0; font: 8px/1 var(--sans); opacity: 0; transition: opacity .25s, transform .25s; transform: translateY(3px); }
.main-nav a::after { content: ""; position: absolute; inset: auto 0 22px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.main-nav a:hover, .main-nav a.is-active { color: #fff; }
.main-nav a:hover span, .main-nav a.is-active span { opacity: .65; transform: none; }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); }
.header-tools { display: flex; justify-content: flex-end; align-items: center; gap: 18px; font-family: var(--sans); }
.header-tools a, .sound-toggle { width: 28px; height: 28px; display: grid; place-items: center; border: 0; background: transparent; opacity: .65; transition: opacity .2s, transform .2s; }
.header-tools a:hover, .sound-toggle:hover { opacity: 1; transform: translateY(-2px); }
.sound-toggle[aria-pressed="false"] { opacity: .25; }
.menu-toggle { display: none; border: 0; background: transparent; }

.hero { position: relative; min-height: 100svh; padding-top: 88px; overflow: hidden; background: var(--paper); color: var(--ink); }
.hero-image { position: absolute; inset: 88px 0 0 7vw; background: url('top.jpg') center 20% / cover no-repeat; filter: saturate(.7) contrast(.94); }
.hero-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(244,244,241,.05) 38%, rgba(244,244,241,.82) 73%, var(--paper) 100%); }
.hero-shadow { position: absolute; inset: 88px 0 0; background: linear-gradient(180deg, transparent 65%, rgba(9,9,12,.08)); }
.hero-copy { position: relative; z-index: 2; width: min(1320px, 90vw); height: calc(100svh - 88px); margin: auto; display: flex; flex-direction: column; align-items: flex-end; justify-content: center; padding-right: 5vw; }
.eyebrow { margin: 0 0 18px; font: 600 10px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; }
.hero-copy .eyebrow { margin-right: 8px; }
.hero h1 { display: flex; flex-direction: row; align-items: flex-start; gap: 22px; height: 410px; margin: 0; font-size: clamp(23px, 2.2vw, 36px); font-weight: 400; letter-spacing: .12em; }
.hero h1 span { display: inline-block; padding: 18px 12px; color: #fff; background: var(--ink-soft); box-shadow: 12px 15px 32px rgba(35,37,68,.12); writing-mode: vertical-rl; }
.hero h1 span:nth-child(2) { margin-top: 52px; }
.hero h1 span:nth-child(3) { margin-top: 105px; }
.hero h1 span:nth-child(4) { margin-top: 154px; }
.hero-tagline { margin: 12px 0 0; font-size: 13px; line-height: 1.9; letter-spacing: .18em; text-align: right; }
.scroll-cue { position: absolute; bottom: 22px; right: 5vw; display: flex; align-items: center; gap: 12px; font: 9px/1 var(--sans); letter-spacing: .24em; }
.scroll-cue i { width: 55px; height: 1px; background: currentColor; overflow: hidden; }
.scroll-cue i::after { content: ""; display: block; width: 22px; height: 1px; background: var(--blue); animation: cue 2s infinite ease-in-out; }
.hero-index { position: absolute; left: 2vw; bottom: 32px; z-index: 2; margin: 0; font: 9px/1 var(--sans); letter-spacing: .17em; writing-mode: vertical-rl; }
@keyframes cue { 0% { transform: translateX(-22px); } 100% { transform: translateX(60px); } }

.dark-section { position: relative; background: var(--ink); color: var(--white); }
.light-section { position: relative; background: var(--paper); color: var(--ink); }
.content-shell { width: min(1180px, 88vw); margin: auto; padding: 130px 0; }
.section-heading h2 { margin: 0; font: 500 clamp(66px, 9vw, 134px)/.78 var(--serif); letter-spacing: -.045em; }
.section-deck { max-width: 530px; margin: 36px 0 0; font-size: 15px; line-height: 2; letter-spacing: .08em; }
.center-heading { text-align: center; }
.heading-rule { width: 1px; height: 85px; margin: 32px auto 0; background: linear-gradient(var(--white), transparent); }
.section-number { position: absolute; top: 60px; left: 3vw; color: rgba(255,255,255,.08); font: 500 180px/1 var(--serif); }
.about { min-height: 760px; padding: 130px 6vw 110px; overflow: hidden; }
.about::after { content: "NIHILOST"; position: absolute; right: -35px; bottom: -45px; color: rgba(255,255,255,.025); font: 600 22vw/.7 var(--serif); letter-spacing: -.07em; }
.about-grid { position: relative; z-index: 1; width: min(980px, 90vw); margin: 70px auto 0; display: grid; grid-template-columns: 1.3fr .8fr; gap: 100px; align-items: start; }
.about-lead { margin: 0; font-size: clamp(22px, 2.4vw, 34px); line-height: 1.8; letter-spacing: .04em; }
.about-note { border-top: 1px solid var(--line); padding-top: 24px; }
.about-note span { color: var(--muted); font: 9px/1 var(--sans); letter-spacing: .25em; }
.about-note p { margin: 20px 0 0; color: #c7c7cc; font-size: 13px; line-height: 2; }

.utau { min-height: 1000px; overflow: hidden; }
.water-image { position: absolute; inset: 0 0 auto; height: 570px; background: linear-gradient(180deg, rgba(210,216,231,.72), var(--paper) 95%); opacity: .26; mix-blend-mode: multiply; }
.utau .content-shell { position: relative; }
.utau-intro { width: min(600px, 100%); margin: 60px 0 80px auto; padding: 38px 0 0 68px; border-top: 1px solid var(--dark-line); }
.large-quote { float: left; margin-left: -68px; margin-top: -8px; font: 80px/.7 var(--serif); color: var(--blue); }
.utau-intro p { margin: 0; font-size: 16px; line-height: 2; }
.text-link { display: inline-block; margin-top: 20px; padding-bottom: 7px; border-bottom: 1px solid currentColor; font: 11px/1 var(--sans); letter-spacing: .15em; }
.text-link span { color: var(--blue); }
.release-list { border-top: 1px solid var(--dark-line); }
.release { display: grid; grid-template-columns: 70px 1fr auto; align-items: center; min-height: 130px; border-bottom: 1px solid var(--dark-line); transition: padding .3s, background .3s; }
.release:hover { padding: 0 20px; background: rgba(255,255,255,.62); }
.release-no { font: 15px/1 var(--serif); color: #6c6d73; }
.release p { margin: 0 0 10px; color: #6c6d73; font: 9px/1 var(--sans); letter-spacing: .2em; }
.release h3 { margin: 0; font: 500 clamp(20px, 2.3vw, 32px)/1.2 var(--serif); }
.release h3 small { font-size: .58em; }
.release button { width: 120px; padding: 14px 15px; border: 1px solid var(--ink); background: transparent; font: 10px/1 var(--sans); letter-spacing: .17em; transition: color .2s, background .2s; }
.release button:hover { color: var(--white); background: var(--ink); }

.character { overflow: hidden; }
.character::before { content: ""; position: absolute; inset: 0; opacity: .17; background-image: radial-gradient(rgba(255,255,255,.4) .7px, transparent .7px); background-size: 6px 6px; mask-image: linear-gradient(90deg, black, transparent 70%); }
.character-shell { position: relative; }
.character-tabs { display: flex; justify-content: flex-end; gap: 2px; margin-top: -35px; }
.character-tabs button { min-width: 150px; padding: 16px 25px; color: #aaaab1; border: 1px solid var(--line); background: transparent; font: 13px/1 var(--sans); letter-spacing: .12em; }
.character-tabs button span { margin-right: 12px; opacity: .45; }
.character-tabs button[aria-selected="true"] { color: var(--ink); background: var(--white); }
.character-stage { position: relative; height: 780px; margin-top: 28px; border: 1px solid var(--line); overflow: hidden; background: linear-gradient(115deg, #101117, #08090c 62%); }
.character-stage::before { content: ""; position: absolute; left: 58%; top: 8%; width: 1px; height: 84%; background: var(--line); }
.character-aura { position: absolute; left: 9%; bottom: 7%; width: 520px; height: 620px; border-radius: 50%; background: radial-gradient(circle, rgba(75,101,255,.25), transparent 66%); filter: blur(15px); transition: background .5s; }
.character-stage img { position: absolute; left: 7%; bottom: -12%; width: min(500px, 48%); height: 108%; object-fit: contain; filter: drop-shadow(30px 20px 0 rgba(255,255,255,.12)); transition: opacity .25s, transform .5s; }
.character-stage.is-changing img { opacity: 0; transform: translateX(-20px); }
.character-name { position: absolute; left: 54%; top: 15%; }
.character-name p { margin: 0 0 8px; color: #a9aab3; font-size: 12px; letter-spacing: .25em; }
.character-name h3 { margin: 0; font: 500 clamp(74px, 10vw, 144px)/.8 var(--serif); letter-spacing: -.05em; }
.character-name span { display: block; margin-top: 25px; font-size: 12px; letter-spacing: .2em; color: #b2b2ba; }
.character-specs { position: absolute; left: 61%; right: 6%; bottom: 9%; }
.character-specs dl { margin: 0 0 35px; border-top: 1px solid var(--line); }
.character-specs dl div { display: grid; grid-template-columns: 110px 1fr; padding: 13px 0; border-bottom: 1px solid var(--line); }
.character-specs dt { color: #84858f; font: 9px/1 var(--sans); letter-spacing: .2em; }
.character-specs dd { margin: 0; font: 600 20px/1 "Cormorant Garamond", "Songti SC", serif; }
.character-specs p { margin: 0; color: #c5c5cc; font-size: 13px; line-height: 2; }
.archive-gateway { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: center; padding: 150px 0 30px; }
.book-card { position: relative; height: 470px; perspective: 1500px; cursor: pointer; outline: none; }
.book-face { position: absolute; inset: 0; backface-visibility: hidden; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.book-face img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: screen; }
.book-front { transform: rotateY(0); }
.book-inside { transform: rotateY(-180deg); }
.book-card.is-open .book-front { transform: rotateY(180deg); }
.book-card.is-open .book-inside { transform: rotateY(0); }
.archive-gateway h3 { margin: 0 0 25px; font: 500 44px/1.25 var(--serif); }
.archive-gateway > div:last-child > p:not(.eyebrow) { color: #bfc0c7; font-size: 13px; line-height: 2; }
.outline-button { margin-top: 25px; padding: 15px 24px; color: #fff; border: 1px solid #fff; background: transparent; font: 10px/1 var(--sans); letter-spacing: .17em; }

.split-heading { display: flex; justify-content: space-between; align-items: end; }
.split-heading > p { max-width: 330px; margin: 0; color: #696a70; font-size: 14px; line-height: 2; }
.featured-work { display: grid; grid-template-columns: 1.55fr .75fr; margin-top: 80px; border: 1px solid var(--ink); background: var(--ink); color: var(--white); }
.work-visual { position: relative; min-height: 560px; overflow: hidden; }
.work-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) brightness(.65); transform: scale(1.1); }
.work-veil { position: absolute; inset: 0; background: linear-gradient(135deg, transparent 50%, rgba(6,6,9,.85)); }
.play-button { position: absolute; left: 50%; top: 50%; width: 90px; height: 90px; margin: -45px; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; color: white; background: rgba(0,0,0,.25); backdrop-filter: blur(5px); }
.play-button::before { content: ""; position: absolute; inset: -13px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; transition: transform .35s; }
.play-button:hover::before { transform: scale(1.13); }
.play-button span { margin-left: 4px; }
.play-button.is-playing span { display: none; }
.play-button.is-playing::after { content: "Ⅱ"; }
.work-stamp { position: absolute; left: 22px; bottom: 20px; font: 9px/1 var(--sans); letter-spacing: .2em; }
.work-meta { padding: 60px 45px; }
.work-meta h3 { margin: 0; font: 500 clamp(58px, 6.2vw, 92px)/.9 var(--serif); letter-spacing: -.05em; }
.work-meta > p:not(.eyebrow) { margin: 38px 0; color: #bdbdc5; font-size: 13px; line-height: 1.9; }
.work-meta dl { margin: 0; }
.work-meta dl div { display: grid; grid-template-columns: 80px 1fr; padding: 11px 0; border-top: 1px solid var(--line); }
.work-meta dt { color: #8e8f97; font: 9px/1 var(--sans); letter-spacing: .15em; }
.work-meta dd { margin: 0; font-size: 12px; }
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 35px; border-top: 1px solid var(--dark-line); border-left: 1px solid var(--dark-line); }
.mini-work { position: relative; min-height: 210px; padding: 35px; border-right: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); transition: color .25s, background .25s; }
.mini-work:hover { color: white; background: var(--ink); }
.mini-work > span { color: #85868b; font: 15px/1 var(--serif); }
.mini-work p { margin: 45px 0 10px; color: #85868b; font: 9px/1 var(--sans); letter-spacing: .17em; }
.mini-work h3 { margin: 0; font: 500 31px/1 var(--serif); }
.mini-work button { position: absolute; right: 25px; top: 25px; border: 0; background: transparent; font-size: 20px; }

.guideline { overflow: hidden; }
.guideline-shell { padding-top: 110px; }
.guideline-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 75px; }
.rule-card { position: relative; min-height: 490px; padding: 35px; border: 1px solid var(--line); }
.rule-card > span { color: #64656d; font: 60px/1 var(--serif); }
.rule-card h3 { margin: 45px 0 20px; font: 500 30px/1 var(--serif); }
.rule-card p { color: #c0c0c7; font-size: 13px; line-height: 2; }
.rule-card ul { margin: 32px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.rule-card li { padding: 13px 0; border-bottom: 1px solid var(--line); color: #aeb0b8; font-size: 11px; }
.rule-card li::before { content: "◇"; margin-right: 10px; color: #7f92ff; }
.guideline-contact { margin-top: 90px; padding: 45px 0 10px; border-top: 1px solid var(--line); }
.guideline-contact p { color: #888a92; font-size: 12px; letter-spacing: .15em; }
.guideline-contact a { display: flex; justify-content: space-between; align-items: center; font: 500 clamp(28px, 4vw, 54px)/1.4 var(--serif); border-bottom: 1px solid var(--line); }
.guideline-contact a span { font-size: .6em; }

footer { display: flex; align-items: center; justify-content: space-between; min-height: 160px; padding: 0 5vw; color: #aaaab0; border-top: 1px solid var(--line); background: #060608; }
footer p, footer > a:last-child { font: 9px/1 var(--sans); letter-spacing: .15em; }
.footer-brand { color: #fff; }

.detail-dialog { width: min(560px, 90vw); padding: 55px; color: var(--white); border: 1px solid rgba(255,255,255,.28); background: rgba(10,10,14,.95); box-shadow: 0 30px 120px #000; }
.detail-dialog::backdrop { background: rgba(2,2,5,.78); backdrop-filter: blur(6px); }
.detail-dialog h2 { margin: 0 0 25px; font: 500 48px/1 var(--serif); }
.detail-dialog > p:not(.eyebrow) { color: #b7b8c0; font-size: 13px; line-height: 2; }
.dialog-close { position: absolute; top: 18px; right: 20px; color: white; border: 0; background: transparent; font: 30px/1 var(--sans); }
.dialog-meta { display: flex; justify-content: space-between; margin-top: 35px; padding-top: 18px; border-top: 1px solid var(--line); font: 8px/1 var(--sans); letter-spacing: .15em; }
.toast { position: fixed; z-index: 110; left: 50%; bottom: 25px; padding: 13px 18px; background: #fff; color: #111; font: 10px/1 var(--sans); letter-spacing: .1em; transform: translate(-50%, 80px); transition: transform .3s; }
.toast.is-visible { transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
body.effects-off .grain { display: none; }
body.effects-off .character-aura { display: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; height: 72px; padding: 0 24px; }
  .site-header.is-scrolled { height: 64px; }
  .menu-toggle { display: flex; position: relative; z-index: 2; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 8px; }
  .menu-toggle span { width: 24px; height: 1px; background: white; transition: transform .25s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .main-nav { position: absolute; z-index: 1; top: 0; left: 0; width: 100vw; height: 100svh; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; background: rgba(7,7,10,.985); opacity: 0; visibility: hidden; transform: translateY(-15px); transition: .3s; }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .main-nav a { padding: 14px; font-size: 36px; }
  .main-nav a::after { bottom: 8px; }
  .main-nav a span { top: 15px; left: -18px; }
  .header-tools { display: none; }
  .hero { padding-top: 72px; }
  .hero-image, .hero-shadow { top: 72px; }
  .hero-copy { height: calc(100svh - 72px); padding-right: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 45px; }
  .character-stage { height: 700px; }
  .character-stage img { left: -3%; width: 55%; }
  .character-name { left: 48%; }
  .character-specs { left: 55%; }
  .archive-gateway { gap: 30px; }
  .featured-work { grid-template-columns: 1fr; }
  .work-meta { padding: 48px; }
  .guideline-grid { grid-template-columns: 1fr; }
  .rule-card { min-height: auto; }
}

@media (max-width: 680px) {
  .content-shell { width: min(88vw, 520px); padding: 90px 0; }
  .section-heading h2 { font-size: 64px; }
  .hero-image { left: 0; background-position: 39% center; }
  .hero-image::after { background: linear-gradient(90deg, rgba(244,244,241,.12), rgba(244,244,241,.92) 78%); }
  .hero-copy { justify-content: center; align-items: flex-end; width: 92vw; }
  .hero h1 { gap: 9px; height: 350px; font-size: 19px; }
  .hero h1 span { padding: 13px 8px; }
  .hero h1 span:nth-child(2) { margin-top: 35px; }
  .hero h1 span:nth-child(3) { margin-top: 72px; }
  .hero h1 span:nth-child(4) { margin-top: 108px; }
  .hero-tagline { font-size: 11px; }
  .hero-index { display: none; }
  .about { min-height: auto; padding: 95px 6vw; }
  .about-grid { margin-top: 45px; }
  .about-lead { font-size: 20px; }
  .release { grid-template-columns: 42px 1fr; padding: 24px 0; }
  .release:hover { padding: 24px 10px; }
  .release button { grid-column: 2; margin-top: 18px; width: 100%; }
  .character-tabs { justify-content: stretch; margin: 45px 0 0; }
  .character-tabs button { min-width: 0; flex: 1; padding: 15px 8px; }
  .character-stage { height: 810px; }
  .character-stage::before { left: 8%; top: 56%; width: 84%; height: 1px; }
  .character-stage img { left: 4%; top: 0; bottom: auto; width: 92%; height: 58%; }
  .character-name { left: 7%; top: 49%; }
  .character-name h3 { font-size: 66px; }
  .character-name span { margin-top: 15px; }
  .character-specs { left: 7%; right: 7%; bottom: 5%; }
  .character-specs dl { margin-bottom: 18px; }
  .character-specs dl div { padding: 8px 0; }
  .archive-gateway { grid-template-columns: 1fr; padding-top: 85px; }
  .book-card { height: 320px; }
  .archive-gateway h3 { font-size: 34px; }
  .split-heading { display: block; }
  .split-heading > p { margin-top: 35px; }
  .featured-work { margin-top: 50px; }
  .work-visual { min-height: 360px; }
  .work-meta { padding: 40px 28px; }
  .work-grid { grid-template-columns: 1fr; }
  .guideline-contact a { font-size: 19px; word-break: break-all; }
  footer { min-height: 220px; flex-direction: column; justify-content: center; gap: 25px; }
}

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

/* Multi-page system */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.site-header { grid-template-columns: 205px 1fr 230px; }
.main-nav { gap: clamp(13px, 2.25vw, 38px); }
.main-nav a { font-size: 16px; }
.header-actions { display:flex; align-items:center; justify-content:flex-end; gap:16px; }
.header-tools { justify-content:flex-start; gap:10px; }
.header-tools a { border:1px solid rgba(255,255,255,.2); border-radius:50%; font-size:13px; }
.header-tools .bili-link { font:700 11px/1 var(--sans); }
.header-tools .youtube-icon { width:32px; border-radius:18px; font-size:9px; }
.language-control { position:relative; }
.language-control select { width:52px; height:30px; padding:0 8px; color:#fff; border:1px solid rgba(255,255,255,.26); border-radius:0; background:#0c0c10; font:10px/1 var(--sans); letter-spacing:.04em; cursor:pointer; }

.animated-suits span { opacity:0; animation:suit-in .72s cubic-bezier(.22,.8,.24,1) forwards; }
.animated-suits span:nth-child(1) { animation-delay:.18s; }
.animated-suits span:nth-child(2) { animation-delay:.42s; }
.animated-suits span:nth-child(3) { animation-delay:.66s; }
.animated-suits span:nth-child(4) { animation-delay:.9s; }
@keyframes suit-in { from { opacity:0; transform:translateY(32px); filter:blur(8px); } to { opacity:1; transform:translateY(0); filter:blur(0); } }
.home-invitation { width:min(480px,70vw); margin-top:12px; text-align:right; }
.home-invitation p { margin:3px 0; font-size:12px; line-height:1.7; letter-spacing:.06em; }
.home-invitation p:nth-child(2) { opacity:.56; }
.home-invitation p:nth-child(3) { opacity:.28; }
.home-invitation p:nth-child(4) { opacity:.1; }
.jp-quote { font-family:var(--body); letter-spacing:.08em; }
.about-lead .jp-quote { margin:0 0 28px; font-size:clamp(27px,3vw,42px); line-height:1.65; }
.about-lead > p:last-child { margin:0; color:#aeb0b7; font-size:14px; line-height:2; }
.on-dark { color:#fff; }
.home-directory { overflow:hidden; }
.directory-grid { display:grid; grid-template-columns:repeat(2,1fr); margin-top:80px; border-top:1px solid var(--dark-line); border-left:1px solid var(--dark-line); }
.directory-card { position:relative; min-height:270px; padding:36px; color:var(--ink); border-right:1px solid var(--dark-line); border-bottom:1px solid var(--dark-line); transition:background .3s,color .3s; }
.directory-card > span { color:#898a91; font:16px/1 var(--serif); }
.directory-card h3 { margin:65px 0 10px; font:500 clamp(38px,5vw,66px)/.9 var(--serif); letter-spacing:-.035em; }
.directory-card p { margin:0; color:#74757c; font-size:12px; }
.directory-card b { position:absolute; right:30px; top:30px; font:400 24px/1 var(--serif); }
.directory-card:hover { color:#fff; background:var(--ink); }
.directory-card:hover p { color:#aaaab2; }

.page-hero { position:relative; min-height:72svh; padding:150px 7vw 80px; display:flex; align-items:center; overflow:hidden; }
.page-hero > div:last-child { width:min(1180px,88vw); margin:auto; }
.page-hero h1, .page-hero h2 { margin:0; font:500 clamp(90px,15vw,220px)/.7 var(--serif); letter-spacing:-.055em; }
.page-lead { max-width:620px; margin:55px 0 0; font-size:17px; line-height:1.9; letter-spacing:.08em; }
.page-hero-index { position:absolute; left:2.7vw; bottom:35px; width:auto!important; margin:0!important; font:9px/1 var(--sans); letter-spacing:.18em; writing-mode:vertical-rl; }
.dark-page-hero { color:#fff; background:radial-gradient(circle at 70% 40%,#20212b 0,transparent 36%),#09090c; border-bottom:1px solid var(--line); }
.dark-page-hero::after { content:""; position:absolute; inset:0; opacity:.12; background-image:radial-gradient(rgba(255,255,255,.6) .6px,transparent .6px); background-size:7px 7px; mask-image:linear-gradient(90deg,transparent,black); }
.dark-page-hero > div { position:relative; z-index:1; }
.light-page-hero { color:var(--ink); background:linear-gradient(120deg,#f4f4f1 45%,#dfe3ee); }
.image-page-hero { color:var(--ink); background:linear-gradient(120deg,#f4f4f1 18%,#dfe4f0 55%,#f4f4f1 100%); }
.route-view[hidden] { display:none !important; }
.site-header, .site-header.is-scrolled { background:#121216; backdrop-filter:none; }
.grain { z-index:70; }

.home-about-bridge { border-top:1px solid var(--line); }
.home-about-bridge .content-shell { padding:115px 0; }
.bridge-heading { display:grid; grid-template-columns:1fr .9fr; gap:70px; align-items:end; }
.bridge-heading h2 { margin:0; font:500 clamp(72px,11vw,150px)/.75 var(--serif); letter-spacing:-.045em; }
.bridge-heading .jp-quote { margin:0; padding-bottom:12px; color:#d0d0d7; font-size:clamp(18px,2vw,28px); line-height:1.8; }
.bridge-members { display:grid; grid-template-columns:repeat(3,1fr); margin:70px 0 35px; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.bridge-members p { display:flex; flex-direction:column; gap:15px; min-height:125px; margin:0; padding:25px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.bridge-members b { font:500 30px/1 var(--serif); }
.bridge-members span { color:#aeb0b8; font-size:12px; }

.member-card { min-height:470px; }
.character-stage { height:clamp(620px,calc(100svh - 90px),780px); }
.character-stage::before { left:50%; }
.character-stage img { left:2%; bottom:0; width:48%; height:96%; object-fit:contain; object-position:center bottom; filter:drop-shadow(24px 14px 0 rgba(255,255,255,.1)); }
.character-name { left:54%; right:4%; top:13%; }
.character-name h3 { font-size:clamp(60px,8.4vw,115px); line-height:.84; }
.character-specs { left:56%; right:6%; bottom:7%; }

.video-embed { background:#000; }
.video-embed iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }
.video-embed .work-stamp { z-index:2; padding:8px 10px; background:rgba(0,0,0,.72); }

.archive-dialog { width:min(900px,92vw); max-height:86vh; padding:65px 70px; color:#f6f6f6; border:1px solid rgba(255,255,255,.24); background:#0b0b0f; box-shadow:0 35px 140px #000; overflow:auto; }
.archive-dialog::backdrop { background:rgba(2,2,5,.84); backdrop-filter:blur(6px); }
.archive-dialog h2 { margin:0 0 45px; font:500 clamp(44px,7vw,86px)/.9 var(--serif); }
.archive-story { border-top:1px solid var(--line); padding-top:30px; }
.archive-story p { margin:0 0 24px; color:#d0d0d6; font-size:14px; line-height:2.1; }
.archive-story .fading-lines { margin-top:45px; color:#fff; }
.archive-story .fading-lines span { opacity:.48; }
.archive-story .fading-lines i { opacity:.18; font-style:normal; }
.utau-page-hero h1 { mix-blend-mode:multiply; }

.members { overflow:hidden; }
.member-grid { display:grid; grid-template-columns:repeat(3,1fr); margin-top:90px; border-top:1px solid var(--dark-line); border-left:1px solid var(--dark-line); }
.member-card { position:relative; min-height:570px; padding:35px; border-right:1px solid var(--dark-line); border-bottom:1px solid var(--dark-line); }
.member-no { color:#808188; font:14px/1 var(--serif); }
.member-monogram { display:grid; place-items:center; width:145px; height:145px; margin:55px auto; border:1px solid var(--ink); border-radius:50%; font:500 90px/1 var(--serif); }
.member-card > p:nth-of-type(1) { margin:0 0 12px; color:#74757c; font:9px/1 var(--sans); letter-spacing:.18em; }
.member-card h3 { margin:0; font:500 55px/1 var(--serif); }
.member-card > p:last-child { margin:30px 0 0; color:#606168; font-size:12px; line-height:2; }
.about-manifesto { display:flex; align-items:end; justify-content:space-between; gap:50px; margin-top:100px; padding:50px 0; border-top:1px solid var(--dark-line); border-bottom:1px solid var(--dark-line); }
.about-manifesto p { max-width:760px; margin:0; font-size:clamp(22px,3vw,38px); line-height:1.7; }
.about-manifesto span { flex:none; color:#777880; font:9px/1.6 var(--sans); letter-spacing:.13em; }

.narrow-shell { width:min(900px,86vw); }
.notice-head { display:flex; align-items:end; justify-content:space-between; gap:40px; }
.notice-head h2 { margin:0; font:500 clamp(62px,9vw,112px)/.85 var(--serif); }
.jump-link { flex:none; padding:16px 0; border-bottom:1px solid var(--line); color:#d9d9df; font-size:11px; letter-spacing:.08em; white-space:nowrap; }
.notice-copy { margin:85px 0; padding:55px; border:1px solid var(--line); background:#101117; }
.notice-copy p { margin:0 0 20px; color:#d1d1d7; font-size:15px; line-height:2; }
.notice-copy p:last-child { margin-bottom:0; }
.ust-guide { scroll-margin-top:100px; padding:70px 0 10px; border-top:1px solid var(--line); }
.ust-guide h3 { margin:0 0 45px; font:500 clamp(44px,6vw,72px)/1 var(--serif); }
.ust-guide ul { margin:0; padding:0; list-style:none; counter-reset:rule; }
.ust-guide li { position:relative; padding:24px 20px 24px 70px; border-top:1px solid var(--line); color:#c6c6ce; font-size:13px; line-height:2; counter-increment:rule; }
.ust-guide li::before { content:"0" counter(rule); position:absolute; left:0; top:27px; color:#777985; font:14px/1 var(--serif); }
.release-page .section-heading { margin-bottom:75px; }

.character-page-shell { padding-top:80px; }
.character-page-shell .character-tabs { margin-top:0; }
.character-lore { display:grid; grid-template-columns:180px 1fr; gap:70px; margin-top:120px; padding:80px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.lore-mark { color:#30323d; font:200px/.75 var(--serif); }
.character-lore h2 { margin:0 0 45px; font:500 clamp(42px,6vw,78px)/1 var(--serif); }
.lore-copy { max-width:780px; }
.lore-copy p { margin:0 0 24px; color:#bfc0c8; font-size:14px; line-height:2.1; }

.original > .content-shell { padding-top:110px; }
.guideline .guideline-grid { margin-top:0; }
body[data-page="guideline"] .dark-page-hero::after { display:none; }
.youtube-link { display:block; margin-top:32px; padding:16px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); font:10px/1 var(--sans); letter-spacing:.12em; }

@media (max-width:1100px) {
  .site-header { grid-template-columns:175px 1fr 190px; padding:0 3vw; }
  .brand-copy { display:none; }
  .main-nav { gap:16px; }
  .main-nav a { font-size:14px; }
  .header-actions { gap:8px; }
}

@media (max-width:980px) {
  .site-header { grid-template-columns:1fr auto auto; padding:0 20px; }
  .brand-copy { display:flex; }
  .header-actions { grid-column:2; grid-row:1; margin-right:8px; }
  .menu-toggle { grid-column:3; grid-row:1; }
  .main-nav { position:absolute; z-index:1; top:0; left:0; width:100vw; height:100svh; }
  .main-nav a { font-size:32px; }
  .header-tools { display:none; }
  .language-control select { width:48px; }
  body.menu-open { overflow:hidden; }
  .member-grid { grid-template-columns:1fr; }
  .member-card { min-height:auto; }
  .member-monogram { margin:30px 0; }
  .about-manifesto { align-items:start; flex-direction:column; }
  .bridge-heading { grid-template-columns:1fr; gap:35px; }
}

@media (max-width:680px) {
  .brand-copy b { font-size:13px; }.brand-copy small { font-size:7px; }
  .page-hero { min-height:62svh; padding:125px 6vw 65px; }
  .page-hero h1, .page-hero h2 { font-size:clamp(60px,20vw,90px); overflow-wrap:anywhere; }
  .page-lead { margin-top:35px; font-size:14px; }
  .home-invitation { width:240px; }
  .home-invitation p { font-size:9px; line-height:1.6; }
  .directory-grid { grid-template-columns:1fr; margin-top:50px; }
  .directory-card { min-height:210px; padding:28px; }
  .directory-card h3 { margin-top:45px; }
  .split-heading { display:block; }
  .notice-head { align-items:start; flex-direction:column; }
  .notice-copy { margin:55px 0; padding:27px; }
  .notice-copy p { font-size:13px; }
  .ust-guide { padding-top:55px; }
  .ust-guide li { padding-left:42px; }
  .character-lore { grid-template-columns:1fr; gap:20px; margin-top:80px; padding:55px 0; }
  .lore-mark { font-size:100px; }
  .bridge-members { grid-template-columns:1fr; }
  .character-stage { height:1000px; }
  .character-stage::before { left:8%; top:56%; width:84%; height:1px; }
  .character-stage img { left:0; top:0; bottom:auto; width:100%; height:50%; object-position:center center; }
  .character-name { left:7%; right:7%; top:50%; }
  .character-name h3 { font-size:60px; }
  .character-specs { left:7%; right:7%; top:68%; bottom:auto; }
  .archive-dialog { padding:55px 25px 35px; }
}

/* Route transitions */
.page-fade { position:fixed; inset:0; z-index:200; pointer-events:auto; opacity:1; background:#050507; transition:opacity .48s cubic-bezier(.4,0,.2,1); }
.page-progress { position:fixed; inset:0 0 auto; z-index:201; height:2px; overflow:hidden; pointer-events:none; opacity:1; }
.page-progress i { display:block; width:100%; height:100%; background:linear-gradient(90deg,#4d5de5,#eef1ff); box-shadow:0 0 16px rgba(120,137,255,.9); transform:scaleX(0); transform-origin:left; }
body.page-entered .page-fade { opacity:0; pointer-events:none; }
body.page-entered .page-progress { animation:progress-hide .2s .72s forwards; }
body.page-entered .page-progress i { animation:progress-enter .75s cubic-bezier(.2,.8,.2,1) forwards; }
body.page-leaving { overflow:hidden; }
body.page-leaving .page-fade { opacity:1; pointer-events:auto; }
body.page-leaving .page-progress { opacity:1; }
body.page-leaving .page-progress i { animation:progress-leave .5s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes progress-enter { 0% { transform:scaleX(0); } 70% { transform:scaleX(.82); } 100% { transform:scaleX(1); } }
@keyframes progress-leave { from { transform:scaleX(0); } to { transform:scaleX(1); } }
@keyframes progress-hide { to { opacity:0; } }

/* Distribution archive: stable layout, color-only selection */
.release { transition:color .25s; }
.release:hover, .release.is-selected { padding-left:0; padding-right:0; color:var(--blue); background:transparent; }
.release:hover .release-no, .release:hover p, .release.is-selected .release-no, .release.is-selected p { color:var(--blue); }
.release:hover h3, .release.is-selected h3 { color:var(--blue); }
.release-detail { padding-top:8px; border-top:1px solid var(--line); }
.release-type { margin:22px 0; color:#8f96c7; font:600 9px/1 var(--sans); letter-spacing:.2em; }
.release-original { margin:0 0 22px; color:#7f818c; font:9px/1.8 var(--sans); letter-spacing:.14em; }
.release-original strong { color:#e6e6eb; font:400 14px/1.8 var(--body); letter-spacing:.02em; }
.release-detail dl { margin:0; border-top:1px solid var(--line); }
.release-detail dl div { padding:10px 0; border-bottom:1px solid var(--line); }
.release-detail dd { margin:0; color:#bfc0c9; font-size:12px; line-height:1.7; }
.release-readme { margin-top:34px; padding-top:28px; border-top:1px solid var(--line); }
.release-readme .eyebrow { color:#9ca5df; }
.release-readme ul { margin:0; padding:0; list-style:none; counter-reset:readme-rule; }
.release-readme li { position:relative; margin:0; padding:14px 0 14px 38px; color:#c4c5cd; border-top:1px solid var(--line); font-size:11px; line-height:1.85; counter-increment:readme-rule; }
.release-readme li::before { content:"0" counter(readme-rule); position:absolute; left:0; top:16px; color:#777b91; font:10px/1 var(--sans); }
.release-actions { display:flex; gap:10px; margin-top:28px; }
.release-actions a { flex:1; padding:15px 18px; color:#fff; border:1px solid rgba(255,255,255,.35); font:9px/1 var(--sans); letter-spacing:.16em; text-align:center; transition:color .2s,background .2s; }
.release-actions a:hover { color:#08080b; background:#fff; }

.detail-dialog { width:min(700px,92vw); max-height:86vh; overflow:auto; }
.mini-work-pending { display:flex; flex-direction:column; justify-content:center; cursor:default; }
.mini-work-pending:hover { color:var(--ink); background:transparent; }
.mini-work-pending > span { position:absolute; left:35px; top:35px; }
.mini-work-pending p { margin:0 0 14px; }
.mini-work-pending h3 { color:#666873; font-size:clamp(30px,3vw,44px); letter-spacing:.08em; }

/* Character text clearance */
.character-name { top:10%; }
.character-name h3 { font-size:clamp(54px,6.7vw,92px); line-height:1; }
.character-name span { max-width:480px; margin-top:14px; line-height:1.8; letter-spacing:.12em; }
.character-specs { bottom:6%; }

/* Dialog enter / exit */
.detail-dialog, .archive-dialog { opacity:0; transform:translateY(22px) scale(.985); }
.detail-dialog[open], .archive-dialog[open] { animation:dialog-in .38s cubic-bezier(.2,.8,.2,1) forwards; }
.detail-dialog[open]::backdrop, .archive-dialog[open]::backdrop { animation:backdrop-in .38s ease forwards; }
.detail-dialog.is-closing, .archive-dialog.is-closing { animation:dialog-out .28s ease forwards; }
.detail-dialog.is-closing::backdrop, .archive-dialog.is-closing::backdrop { animation:backdrop-out .28s ease forwards; }
@keyframes dialog-in { to { opacity:1; transform:translateY(0) scale(1); } }
@keyframes dialog-out { from { opacity:1; transform:translateY(0) scale(1); } to { opacity:0; transform:translateY(18px) scale(.985); } }
@keyframes backdrop-in { from { opacity:0; } to { opacity:1; } }
@keyframes backdrop-out { from { opacity:1; } to { opacity:0; } }

@media (max-width:680px) {
  .release:hover, .release.is-selected { padding:24px 0; }
  .detail-dialog { width:min(94vw,560px); padding:48px 24px 28px; }
  .detail-dialog h2 { font-size:36px; }
  .release-actions { flex-direction:column; }
  .character-name { top:51%; }
  .character-name h3 { font-size:52px; line-height:1; }
  .character-name span { margin-top:10px; }
  .character-specs { top:69%; bottom:auto; }

  /* Mobile composition refinements */
  .hero-image { background-position:55% center; }
  .hero-image::after { background:linear-gradient(90deg, rgba(244,244,241,.04) 20%, rgba(244,244,241,.82) 67%, var(--paper) 91%); }
  .home-invitation { width:max-content; max-width:none; }
  .home-invitation p { font-size:clamp(10px,2.8vw,11px); line-height:1.6; letter-spacing:.02em; white-space:nowrap; }
  html[lang="en"] .home-invitation p { font-size:clamp(6.3px,1.85vw,7.2px); letter-spacing:0; }

  .character-stage::before { left:7%; top:50%; width:86%; height:1px; }
  .character-stage img { height:48%; }
  .character-name { top:53%; }
  .character-specs { top:70%; }

  body[data-page="guideline"] .page-hero h1 {
    font-size:clamp(38px,11.3vw,54px);
    letter-spacing:-.055em;
    overflow-wrap:normal;
    white-space:nowrap;
  }
}