:root {
  --black: #050505;
  --ink: #111112;
  --graphite: #1a1b1d;
  --silver: #a7a8aa;
  --line: rgba(255, 255, 255, 0.16);
  --paper: #f4f4f2;
  --white: #fff;
  --warm: #e9b4a0;
  --max: 1440px;
  color-scheme: dark;
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); color: var(--white); overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.site-header {
  position: fixed; z-index: 100; inset: 0 0 auto; height: 88px; padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  display: flex; align-items: center; justify-content: space-between; transition: background .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { background: rgba(5, 5, 5, .86); backdrop-filter: blur(18px); border-color: rgba(255,255,255,.09); }
.site-header:has(.site-nav.is-open) { background: var(--black); backdrop-filter: none; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 750; }
.brand img { width: 34px; height: 34px; border-radius: 8px; box-shadow: 0 7px 22px rgba(255,255,255,.15); }
.site-nav { display: flex; align-items: center; gap: 36px; font-size: 14px; color: #b9b9bb; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--white); }
.site-nav .locale-link { color: var(--white); font-size: 12px; font-weight: 750; }
.site-nav .nav-download { padding: 11px 18px; border: 1px solid rgba(255,255,255,.3); color: var(--white); }
.menu-button { display: none; border: 0; background: none; width: 44px; height: 44px; padding: 12px; }
.menu-button span { display: block; height: 1px; margin: 7px 0; background: currentColor; }
.mobile-locale-link { display: none; }

.hero { min-height: 100svh; max-width: 1680px; margin: auto; padding: 150px max(28px, calc((100vw - var(--max)) / 2)) 66px; display: grid; grid-template-columns: minmax(380px, .8fr) minmax(600px, 1.25fr); align-items: center; gap: 4vw; overflow: hidden; position: relative; }
.hero-copy { z-index: 5; padding-bottom: 3vh; }
.eyebrow, .section-label { margin: 0 0 24px; color: #969699; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2.4px; }
.hero h1 { max-width: 670px; margin: 0; font-size: clamp(64px, 6.1vw, 108px); line-height: .98; letter-spacing: 0; }
.hero-lead { max-width: 530px; margin: 32px 0 0; color: #aaa; font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 32px; margin-top: 40px; }
.button { min-height: 50px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 4px; font-size: 14px; font-weight: 700; letter-spacing: 0; }
.button-with-icon { gap: 10px; }
.button-icon { width: 19px; height: 19px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.platform-button-icon { fill: currentColor; stroke: none; }
.button:disabled { cursor: default; opacity: .72; }
.button-light { background: var(--white); color: var(--black); }
.button-dark { background: var(--black); color: var(--white); }
.text-link { font-size: 14px; font-weight: 650; }
.text-link span { display: inline-block; margin-left: 8px; transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }

.sync-stage { position: relative; width: min(760px, 56vw); height: min(680px, 69vh); min-height: 560px; justify-self: end; }
.ambient-film { position: absolute; inset: 4% -12% 2% 8%; background: linear-gradient(90deg, rgba(5,5,5,.4), rgba(5,5,5,0)), url("./images/shared-movie-still.png") center / cover; opacity: .18; filter: saturate(.7); clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%); }
.watch-panel { position: absolute; width: 47%; padding: 14px; background: #121315; border: 1px solid #3d3e42; border-radius: 28px; box-shadow: 0 40px 80px #000; }
.panel-left { left: 1%; top: 16%; transform: rotate(-5deg); }
.panel-right { right: -2%; top: 23%; transform: rotate(5deg); }
.viewer { display: flex; align-items: center; gap: 9px; height: 34px; padding: 0 3px; font-size: 13px; }
.viewer img { width: 25px; height: 25px; border-radius: 50%; object-fit: cover; }
.viewer strong { font-size: 14px; }
.viewer span { margin-left: auto; padding: 5px 8px; background: #2a2b2e; border-radius: 7px; color: #d0d0d2; font-size: 10px; }
.film-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 10; border-radius: 18px; background: #222; }
.film-frame img { width: 100%; height: 100%; object-fit: cover; }
.film-frame time { position: absolute; top: 10px; right: 10px; padding: 7px 8px; background: rgba(0,0,0,.72); border-radius: 7px; font-size: 12px; font-weight: 750; }
.timeline { height: 22px; display: flex; align-items: center; padding: 0 5px; }
.timeline i { position: relative; width: 68%; height: 3px; background: white; }
.timeline i::after { content: ""; position: absolute; right: -3px; top: -3px; width: 9px; height: 9px; border-radius: 50%; background: white; }
.timeline b { flex: 1; height: 3px; background: #555; }
.play-state { display: flex; justify-content: space-between; padding: 1px 4px 4px; color: #bcbcc0; font-size: 11px; }
.play-state strong { color: white; font-size: 12px; }
.sync-beacon { position: absolute; z-index: 4; left: 44%; top: 50%; width: 112px; height: 112px; border-radius: 50%; display: grid; place-content: center; justify-items: center; gap: 7px; background: rgba(4,4,4,.94); border: 1px solid #46474a; box-shadow: 0 0 0 12px rgba(0,0,0,.42), 0 22px 50px #000; transform: translate(-50%, -50%); }
.sync-beacon img { width: 40px; height: 40px; border-radius: 10px; filter: invert(1); }
.sync-beacon span { font-size: 13px; font-weight: 700; }
.message-bubble, .voice-chip { position: absolute; z-index: 6; display: flex; align-items: center; background: var(--paper); color: var(--black); box-shadow: 0 22px 60px rgba(0,0,0,.36); }
.message-bubble { right: 5%; top: 8%; gap: 10px; padding: 13px 18px 13px 13px; border-radius: 8px; font-weight: 700; }
.message-bubble img { width: 32px; height: 32px; object-fit: cover; border-radius: 50%; }
.message-bubble small { color: #777; margin-right: 6px; font-size: 11px; }
.voice-chip { left: 3%; bottom: 8%; min-height: 58px; padding: 10px 18px 10px 10px; border-radius: 32px; gap: 10px; font-size: 12px; }
.avatar-pair { display: flex; }
.avatar-pair img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 2px solid var(--paper); }
.avatar-pair img + img { margin-left: -9px; }
.voice-chip > span:last-child { color: #888; }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; width: 22px; height: 36px; border: 1px solid #555; border-radius: 14px; }
.scroll-cue span { position: absolute; top: 7px; left: 9px; width: 2px; height: 7px; background: white; animation: scroll-cue 1.8s infinite; }
@keyframes scroll-cue { 0% { opacity: 0; transform: translateY(0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

.manifesto { background: var(--paper); color: var(--ink); padding: 132px max(28px, calc((100vw - var(--max)) / 2)); }
.manifesto .section-label, .light-band .section-label, .source-section .section-label, .steps-section .section-label { color: #6f7072; }
.manifesto-grid { display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 10vw; }
.manifesto h2, .section-heading h2, .band-copy h2, .story-intro h2, .communication h2, .steps-section h2, .product-cta h2, .about-statement h2 { margin: 0; font-size: clamp(42px, 5vw, 78px); line-height: 1.07; letter-spacing: 0; }
.manifesto-grid > div p { margin: 0 0 30px; font-size: 18px; line-height: 1.9; color: #55565a; }
.dark-link { padding-bottom: 5px; border-bottom: 1px solid #aaa; }

.feature-band { min-height: 900px; padding: 120px max(28px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 9vw; overflow: hidden; }
.dark-band { background: #0a0a0b; color: white; }
.light-band { background: #e9e9e7; color: var(--ink); }
.feature-band.reverse { grid-template-columns: .76fr 1.24fr; }
.feature-band.reverse .band-copy { order: 2; }
.band-copy h2 { font-size: clamp(48px, 5.5vw, 82px); }
.band-copy > p:not(.section-label), .story-intro > p:not(.section-label), .communication-copy > p:not(.section-label) { margin: 28px 0 0; color: #9c9ca0; font-size: 17px; line-height: 1.85; }
.light-band .band-copy > p:not(.section-label) { color: #5c5d60; }
.feature-points { list-style: none; padding: 0; margin: 36px 0 0; border-top: 1px solid var(--line); }
.feature-points li { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.poster-frame { margin: 0; justify-self: center; width: min(390px, 68%); border-radius: 18px; overflow: hidden; box-shadow: 0 40px 90px rgba(0,0,0,.44); }
.poster-frame img { width: 100%; }
.paired-posters { position: relative; height: 700px; }
.paired-posters .poster-frame { position: absolute; width: 330px; left: 7%; top: 0; }
.paired-posters .poster-offset { left: auto; right: 3%; top: 110px; }
.light-band .button { margin-top: 36px; }

.ways { padding: 130px max(28px, calc((100vw - var(--max)) / 2)); background: #141517; }
.section-heading { display: grid; grid-template-columns: .35fr 1fr; }
.section-heading h2 { max-width: 900px; }
.ways-grid { margin-top: 100px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.ways-grid article { min-height: 290px; padding: 28px 40px 28px 0; border-right: 1px solid var(--line); }
.ways-grid article + article { padding-left: 40px; }
.ways-grid article:last-child { border-right: 0; }
.ways-grid span { color: #737477; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.ways-grid h3 { margin: 90px 0 12px; font-size: 25px; }
.ways-grid p { margin: 0; color: #929397; line-height: 1.8; }
.download-section { padding: 100px max(28px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 42px; border-top: 1px solid var(--line); }
.download-hero { padding: 148px max(28px, calc((100vw - var(--max)) / 2)) 62px; background: var(--black); }
.download-hero h1 { margin: 0; max-width: 900px; font-size: clamp(46px, 5.6vw, 82px); line-height: 1.02; }
.download-hero > p:last-child { max-width: 560px; margin: 34px 0 0; color: #a7a8aa; font-size: 18px; line-height: 1.8; }
.download-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.download-card { min-height: 390px; padding: 42px max(28px, calc((100vw - var(--max)) / 2)); background: #111214; display: grid; grid-template-rows: auto 1fr auto; align-items: start; }
.download-card-light { background: var(--paper); color: var(--ink); }
.platform-mark { width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center; background: #f4f4f2; color: #111; box-shadow: 0 18px 35px rgba(0,0,0,.22); }
.platform-mark svg { width: 32px; height: 32px; fill: currentColor; }
.download-card-light .platform-mark { background: #111214; color: white; }
.download-card-copy { margin: 32px 0 30px; align-self: end; }
.download-card-copy h2 { margin: 0; font-size: clamp(28px, 3vw, 44px); line-height: 1.1; }
.download-card-copy p:not(.section-label) { max-width: 380px; margin: 16px 0 0; color: #999a9d; line-height: 1.75; }
.download-card-light .download-card-copy p:not(.section-label) { color: #626367; }
.download-card-copy p.download-password { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--ink); font-size: 18px; font-weight: 700; }
.download-password strong { padding: 2px 12px; border-radius: 4px; background: #ffe166; color: #111214; font-size: 28px; line-height: 1.5; }
.download-card .button { width: 264px; min-width: 0; white-space: nowrap; justify-self: start; }
.download-back { padding: 70px max(28px, calc((100vw - var(--max)) / 2)); margin: 0; background: #141517; }
.download-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.download-actions .button-dark { background: #2a2b2e; }
.download-mark img { width: 100px; border-radius: 22px; box-shadow: 0 24px 48px rgba(255,255,255,.12); }
.download-section h2 { margin: 0; font-size: clamp(34px, 4vw, 60px); }
.download-section p:not(.section-label) { color: #929397; line-height: 1.7; }

.site-footer { padding: 82px max(28px, calc((100vw - var(--max)) / 2)) 28px; background: #09090a; border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; }
.footer-top > p { margin: 0; color: #929397; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(3, 150px); justify-content: end; gap: 50px; margin: 80px 0 70px; }
.footer-links div { display: flex; flex-direction: column; gap: 13px; font-size: 14px; color: #8d8e91; }
.footer-links strong { color: white; margin-bottom: 7px; }
.footer-links a:hover { color: white; }
.footer-legal { padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: #747579; font-size: 12px; }

.light-page { background: var(--paper); color: var(--ink); color-scheme: light; }
.light-header { color: var(--ink); }
.light-header.is-scrolled { background: rgba(244,244,242,.88); border-color: rgba(0,0,0,.1); }
.light-header:has(.site-nav.is-open) { background: var(--paper); backdrop-filter: none; }
.light-header .site-nav { color: #66676a; }
.light-header .site-nav .locale-link { color: var(--ink); }
.light-header .site-nav a:hover, .light-header .site-nav a[aria-current="page"] { color: var(--black); }
.light-header .site-nav .nav-download { color: var(--black); border-color: #999; }
.page-hero { min-height: 760px; padding: 190px max(28px, calc((100vw - var(--max)) / 2)) 100px; display: flex; flex-direction: column; justify-content: center; }
.page-hero h1 { max-width: 1120px; margin: 0; font-size: clamp(58px, 7.4vw, 118px); line-height: .99; letter-spacing: 0; }
.page-hero > p:last-child { max-width: 660px; margin: 44px 0 0 auto; color: #626367; font-size: 20px; line-height: 1.8; }
.product-story { padding: 140px max(28px, calc((100vw - var(--max)) / 2)); min-height: 800px; display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 9vw; }
.store-gallery { padding: 120px max(28px, calc((100vw - var(--max)) / 2)); background: #ececea; color: var(--ink); overflow: hidden; }
.store-gallery-track { display: flex; gap: 22px; margin-top: 72px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; padding: 0 0 24px; scrollbar-width: thin; }
.store-gallery-track figure { flex: 0 0 clamp(190px, 18vw, 270px); margin: 0; scroll-snap-align: start; border-radius: 18px; box-shadow: 0 24px 55px rgba(0,0,0,.2); overflow: hidden; background: #111; }
.store-gallery-track img { width: 100%; height: auto; }
.sync-diagram { display: grid; grid-template-columns: 1fr 150px 1fr; align-items: center; }
.sync-diagram > div { aspect-ratio: 1; border: 1px solid #3a3b3d; display: grid; place-content: center; text-align: center; background: #121315; }
.sync-diagram strong { font-size: 24px; }
.sync-diagram div span { margin-top: 10px; color: #a7a8aa; font: 13px ui-monospace, monospace; }
.sync-diagram i { height: 1px; position: relative; background: #555; display: grid; place-items: center; font-style: normal; }
.sync-diagram i img { position: absolute; width: 56px; border-radius: 13px; filter: invert(1); box-shadow: 0 0 0 14px #0a0a0b; }
.sync-diagram i span { position: absolute; top: 50px; white-space: nowrap; color: #999; font-size: 11px; }
.source-section { padding: 130px max(28px, calc((100vw - var(--max)) / 2)); }
.source-grid { margin-top: 100px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.source-grid article { background: white; }
.source-grid figure, .local-visual { margin: 0; height: 560px; overflow: hidden; background: #101113; }
.source-grid figure img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.source-grid article > div:last-child { padding: 30px; }
.source-grid article > div > span { color: #77787b; font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
.source-grid h3 { margin: 52px 0 12px; font-size: 26px; }
.source-grid p { color: #65666a; line-height: 1.75; }
.local-visual { display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; }
.local-visual img { width: 92px; border-radius: 20px; filter: invert(1); }
.local-visual span { margin-top: 25px; font-weight: 700; }
.local-visual b { margin-top: 11px; color: #777; font: 11px ui-monospace, monospace; letter-spacing: 2px; }
.communication { padding: 130px max(28px, calc((100vw - var(--max)) / 2)); background: #d9d9d6; display: grid; grid-template-columns: .65fr 1.35fr; gap: 7vw; }
.communication-gallery { height: 760px; position: relative; overflow: hidden; }
.communication-gallery img { position: absolute; width: 310px; box-shadow: 0 32px 70px rgba(0,0,0,.3); }
.communication-gallery img:nth-child(1) { left: 0; top: 130px; transform: rotate(-5deg); }
.communication-gallery img:nth-child(2) { left: 31%; top: 0; z-index: 2; }
.communication-gallery img:nth-child(3) { right: 0; top: 160px; transform: rotate(5deg); }
.capability-list { margin-top: 42px; display: flex; flex-wrap: wrap; gap: 8px; }
.capability-list span { padding: 10px 13px; border: 1px solid #aaa; font-size: 12px; }
.steps-section { padding: 130px max(28px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; }
.steps-section ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid #bbb; }
.steps-section li { padding: 28px 0; display: grid; grid-template-columns: 80px 1fr; border-bottom: 1px solid #bbb; }
.steps-section li > span { color: #8a8b8e; font: 12px ui-monospace, monospace; }
.steps-section h3 { margin: 0 0 8px; font-size: 22px; }
.steps-section li p { margin: 0; color: #66676a; }
.product-cta { padding: 90px max(28px, calc((100vw - var(--max)) / 2)); background: var(--black); color: white; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 36px; }
.product-cta > img { width: 92px; border-radius: 20px; }
.light-footer { color: white; }

.about-page { color-scheme: dark; }
.about-hero { background: var(--black); }
.about-hero > p:last-child { color: #9a9b9e; }
.about-statement { padding: 140px max(28px, calc((100vw - var(--max)) / 2)); background: var(--paper); color: var(--ink); display: grid; grid-template-columns: .35fr 1fr; }
.about-statement > div { max-width: 920px; }
.about-statement > div p { max-width: 700px; color: #5e5f62; font-size: 17px; line-height: 1.9; }
.company-info { padding: 130px max(28px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; }
.company-info h2 { margin: 0; font-size: clamp(36px, 4vw, 62px); line-height: 1.2; }
.company-info > div > p:last-child { color: #86878a; }
.company-info dl { margin: 0; }
.company-info dl div { padding: 24px 0; display: grid; grid-template-columns: 130px 1fr; border-bottom: 1px solid var(--line); }
.company-info dt { color: #77787b; }
.company-info dd { margin: 0; }
.legal-links { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper); color: var(--ink); }
.legal-links a { position: relative; padding: 80px max(28px, calc((100vw - var(--max)) / 2)); min-height: 390px; }
.legal-links a:first-child { padding-right: 8vw; border-right: 1px solid #c6c6c4; }
.legal-links a:last-child { padding-left: 8vw; }
.legal-links span { color: #777; font-size: 11px; letter-spacing: 2px; }
.legal-links h2 { margin: 76px 0 14px; font-size: 38px; }
.legal-links p { max-width: 450px; color: #626367; line-height: 1.75; }
.legal-links b { position: absolute; right: 7vw; top: 70px; font-size: 25px; font-weight: 400; }
.contact-strip { padding: 90px max(28px, calc((100vw - var(--max)) / 2)); background: #e0e0de; color: var(--ink); display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.contact-strip h2 { margin: 0; font-size: clamp(28px, 3.6vw, 52px); }

.en-page .hero h1 { font-size: clamp(56px, 5vw, 88px); }
.en-page .hero h1 > span { display: block; white-space: nowrap; }
.en-page .hero-lead { max-width: 570px; }
.en-page .page-hero h1 { max-width: 1260px; font-size: clamp(58px, 7vw, 110px); }
.en-page .manifesto h2, .en-page .section-heading h2, .en-page .band-copy h2, .en-page .story-intro h2, .en-page .communication h2, .en-page .steps-section h2, .en-page .about-statement h2 { letter-spacing: 0; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 130px; }
  .hero-copy { max-width: 720px; }
  .sync-stage { width: min(800px, 100%); justify-self: center; }
  .manifesto-grid, .feature-band, .feature-band.reverse, .product-story, .communication, .steps-section { grid-template-columns: 1fr; }
  .feature-band.reverse .band-copy { order: initial; }
  .paired-posters { width: 700px; max-width: 100%; justify-self: center; }
  .section-heading, .about-statement { grid-template-columns: 1fr; gap: 20px; }
  .source-grid { gap: 12px; }
  .source-grid figure, .local-visual { height: 450px; }
  .communication-copy { max-width: 700px; }
}

@media (max-width: 760px) {
  .site-header { height: 70px; padding: 0 20px; }
  .brand { font-size: 18px; }
  .brand img { width: 31px; height: 31px; }
  .menu-button { display: block; color: inherit; }
  .mobile-locale-link { display: inline-flex; order: 2; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; margin-left: auto; color: inherit; font-size: 14px; font-weight: 650; }
  .menu-button { order: 3; }
  .site-nav { position: fixed; inset: 70px 0 0; padding: 44px 24px 56px; background: rgba(5,5,5,.98); display: none; flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto; overscroll-behavior: contain; color: white; font-size: 30px; line-height: 1.25; }
  .light-header .site-nav { background: rgba(244,244,242,.98); color: var(--ink); }
  .site-nav.is-open { display: flex; }
  .site-nav a { flex: 0 0 auto; padding: 18px 0; border-bottom: 1px solid rgba(127,127,127,.25); }
  .site-nav .locale-link { font-size: 30px; line-height: 1.25; font-weight: 400; }
  .site-nav .nav-download { margin-top: 26px; padding: 16px; text-align: center; font-size: 16px; }
  .hero { min-height: auto; padding: 118px 20px 70px; gap: 30px; }
  .hero h1 { font-size: clamp(52px, 16vw, 74px); }
  .en-page .hero h1 { font-size: clamp(44px, 12vw, 58px); }
  .hero-lead { font-size: 16px; margin-top: 24px; }
  .hero-actions { flex-wrap: wrap; margin-top: 30px; }
  .sync-stage { height: 510px; min-height: 0; width: 116%; margin-right: -10%; }
  .watch-panel { width: 59%; padding: 9px; border-radius: 20px; }
  .panel-left { left: -8%; top: 15%; }
  .panel-right { right: -2%; top: 26%; }
  .film-frame { border-radius: 12px; }
  .film-frame time { font-size: 9px; padding: 5px; }
  .viewer { font-size: 10px; }
  .viewer strong { font-size: 11px; }
  .play-state strong, .play-state { font-size: 9px; }
  .sync-beacon { left: 45%; width: 82px; height: 82px; }
  .sync-beacon img { width: 30px; height: 30px; }
  .sync-beacon span { font-size: 11px; }
  .message-bubble { top: 2%; right: 9%; font-size: 12px; padding: 9px 12px 9px 9px; }
  .message-bubble img { width: 27px; height: 27px; }
  .voice-chip { bottom: 3%; left: -2%; transform: scale(.88); transform-origin: left; }
  .scroll-cue { display: none; }
  .manifesto, .feature-band, .ways, .download-section, .source-section, .communication, .steps-section, .about-statement, .company-info { padding: 82px 20px; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 38px; }
  .manifesto h2, .section-heading h2, .band-copy h2, .story-intro h2, .communication h2, .steps-section h2, .product-cta h2, .about-statement h2 { font-size: 42px; }
  .manifesto-grid > div p { font-size: 16px; }
  .feature-band { min-height: auto; gap: 60px; }
  .feature-band .band-copy { min-width: 0; }
  .feature-band.reverse { overflow: hidden; }
  .poster-frame { width: 78%; }
  .paired-posters { width: 100%; max-width: 100%; height: 510px; overflow: visible; }
  .paired-posters .poster-frame { width: 53%; left: 0; }
  .paired-posters .poster-offset { left: auto; right: 0; top: 80px; }
  .section-heading { display: block; }
  .ways-grid { grid-template-columns: 1fr; margin-top: 60px; }
  .ways-grid article, .ways-grid article + article { min-height: 210px; padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .ways-grid h3 { margin-top: 50px; }
  .download-section, .product-cta { grid-template-columns: 1fr; align-items: start; }
  .download-hero { padding: 110px 20px 42px; }
  .download-hero h1 { font-size: clamp(38px, 11vw, 52px); }
  .download-hero > p:last-child { font-size: 16px; }
  .download-options { grid-template-columns: 1fr; }
  .download-card { min-height: 330px; padding: 28px 20px; }
  .download-card-copy { margin: 28px 0 22px; }
  .download-card .button { width: 100%; }
  .download-back { padding: 54px 20px; }
  .download-actions { justify-content: flex-start; width: 100%; }
  .download-actions .button { flex: 1 1 150px; }
  .download-mark img, .product-cta > img { width: 76px; }
  .site-footer { padding: 62px 20px 24px; }
  .footer-top, .footer-legal { flex-direction: column; gap: 24px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); justify-content: stretch; margin: 60px 0; gap: 42px; }
  .page-hero { min-height: 650px; padding: 130px 20px 75px; }
  .page-hero h1 { font-size: clamp(52px, 15vw, 74px); }
  .en-page .page-hero h1 { font-size: clamp(48px, 13vw, 66px); }
  .page-hero > p:last-child { margin: 34px 0 0; font-size: 17px; }
  .product-story { padding: 90px 20px; }
  .store-gallery { padding: 82px 20px; }
  .store-gallery-track { gap: 14px; margin-top: 44px; margin-right: -20px; padding-right: 20px; }
  .store-gallery-track figure { flex-basis: 58vw; border-radius: 14px; }
  .sync-diagram { grid-template-columns: 1fr 70px 1fr; }
  .sync-diagram strong { font-size: 18px; }
  .source-grid { grid-template-columns: 1fr; margin-top: 60px; }
  .source-grid figure, .local-visual { height: 570px; }
  .communication-gallery { height: 550px; margin-inline: -10px; }
  .communication-gallery img { width: 46%; }
  .communication-gallery img:nth-child(1) { left: -4%; top: 110px; }
  .communication-gallery img:nth-child(2) { left: 27%; }
  .communication-gallery img:nth-child(3) { right: -4%; top: 130px; }
  .steps-section { gap: 55px; }
  .product-cta { padding: 72px 20px; }
  .company-info { grid-template-columns: 1fr; gap: 50px; }
  .company-info dl div { grid-template-columns: 1fr; gap: 9px; }
  .legal-links { grid-template-columns: 1fr; }
  .legal-links a, .legal-links a:first-child, .legal-links a:last-child { min-height: 320px; padding: 56px 20px; border-right: 0; border-bottom: 1px solid #c6c6c4; }
  .legal-links h2 { margin-top: 54px; }
  .legal-links b { top: 48px; right: 24px; }
  .contact-strip { padding: 68px 20px; flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}