:root {
  --ink: #1d1b19;
  --muted: #6f6962;
  --paper: #f5f2ec;
  --card: #ebe6dd;
  --warm: #b27b42;
  --line: rgba(29, 27, 25, .14);
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { overflow-x: hidden; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); overflow-x: hidden; }
img { max-width: 100%; }
a { color: inherit; }
.section-shell { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.scroll-progress { position: fixed; inset: 0 auto auto 0; z-index: 100; width: 0; height: 2px; background: var(--warm); }

.site-header { position: fixed; z-index: 90; inset: 0 0 auto; padding: 12px 20px; transition: transform .35s ease; }
.nav-shell { width: min(1080px, 100%); height: 50px; margin: auto; padding: 0 10px 0 18px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 18px; background: rgba(247,244,238,.72); box-shadow: 0 10px 32px rgba(43,34,24,.08); backdrop-filter: blur(22px) saturate(135%); }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { width: 32px; height: 32px; object-fit: contain; mix-blend-mode: multiply; isolation: isolate; }
.nav-shell nav { display: flex; gap: 6px; }
.nav-shell nav a { padding: 8px 13px; border-radius: 99px; text-decoration: none; font-size: 12px; color: #514c46; transition: background .25s ease, color .25s ease; }
.nav-shell nav a:hover { background: rgba(26,22,18,.07); color: #111; }
.nav-cta { justify-self: end; padding: 9px 15px; border-radius: 99px; background: var(--ink); color: white; text-decoration: none; font-size: 11px; }

.hero { position: relative; min-height: 100svh; display: grid; place-items: center; overflow: hidden; background: #eee9e0; }
.hero::after { content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(243,239,232,.82) 0%, rgba(243,239,232,.2) 44%, rgba(25,20,16,.2) 100%); }
.hero-aura { display: none; }
.hero-copy { position: absolute; z-index: 3; top: 14vh; width: 100%; text-align: center; }
.kicker { margin: 0 0 24px; text-transform: uppercase; letter-spacing: .14em; font-size: 10px; font-weight: 600; color: #876443; }
.hero h1 { margin: 0; font: 500 clamp(64px, 10vw, 156px)/.95 var(--serif); letter-spacing: -.1em; }
.hero-copy > p:last-child { margin: 24px auto 0; font-size: clamp(14px, 1.45vw, 20px); line-height: 1.65; color: #5f5a53; }
.hero-visual { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; margin: 0; transform-origin: center center; will-change: transform; }
.hero-visual img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center 64%; mix-blend-mode: normal; }
.hero-down { position: absolute; z-index: 3; right: 4vw; bottom: 36px; display: flex; align-items: center; gap: 14px; text-decoration: none; font-size: 11px; }
.hero-down b { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(0,0,0,.25); border-radius: 50%; font-size: 17px; font-weight: 400; }

.product-film { position: relative; overflow: hidden; padding: 150px 0 160px; background: #191512; color: #f2ebe3; }
.product-film::before { content: ""; position: absolute; top: -25%; right: -8%; width: 48vw; height: 48vw; border-radius: 50%; background: radial-gradient(circle, rgba(137,77,47,.26), transparent 68%); filter: blur(24px); pointer-events: none; }
.film-shell { position: relative; z-index: 1; width: min(1180px, calc(100% - 64px)); margin: auto; display: grid; grid-template-columns: minmax(280px,.62fr) minmax(0,1.38fr); gap: clamp(50px,8vw,120px); align-items: center; }
.film-copy .kicker { color: #c39173; }
.film-copy h2 { margin: 0; font: 500 clamp(48px,6.3vw,90px)/1.02 var(--serif); letter-spacing: -.075em; }
.film-copy h2 span { color: #b9856e; }
.film-copy > p:last-child { max-width: 360px; margin: 34px 0 0; color: #b8aaa0; font-size: 15px; line-height: 1.9; }
.film-frame { width: min(100%, 520px); justify-self: end; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 26px; background: #0d0b0a; box-shadow: 0 20px 80px rgba(0,0,0,.22); }
.film-frame video { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.film-frame figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 15px 18px 17px; color: #9d8c81; font-size: 9px; letter-spacing: .12em; }

.section-intro, .section-heading { padding-top: 160px; }
.section-intro h2, .section-heading h2, .scene-intro h2, .care h2 { margin: 0; font-size: clamp(48px, 7.1vw, 102px); line-height: 1.03; letter-spacing: -.075em; font-weight: 650; }
.section-intro h2 span, .section-heading h2 span, .scene-intro h2 span, .care h2 span { color: #9a928a; }
.lead, .section-heading > p:last-child { max-width: 620px; margin: 42px 0 0 auto; font-size: 17px; line-height: 1.9; color: var(--muted); }
.design-stage { padding: 120px 0 180px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: clamp(50px, 9vw, 130px); align-items: start; }
.design-image { position: sticky; top: 95px; overflow: hidden; border-radius: 32px; background: #e7dfd2; }
.design-image img { display: block; width: auto; max-width: 100%; height: auto; margin: 0 auto; }
.design-notes { padding-top: 18vh; }
.design-notes article { min-height: 42vh; padding: 38px 0; border-top: 1px solid var(--line); }
.design-notes span, .detail-card span, .scene-copy > span { font-size: 10px; letter-spacing: .12em; color: #8a6748; }
.design-notes h3 { margin: 22px 0 14px; font-size: 31px; letter-spacing: -.04em; }
.design-notes p { max-width: 330px; margin: 0; color: var(--muted); line-height: 1.8; }

.cinema-break { position: relative; height: 96vh; min-height: 640px; overflow: hidden; background: #171411; color: white; }
.cinema-break::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,10,8,.7), transparent 62%); }
.cinema-break img { width: 100%; height: 118%; object-fit: cover; object-position: center 58%; transform: translateY(-8%); }
.cinema-break p { position: absolute; z-index: 2; left: max(32px, calc((100vw - 1180px)/2)); bottom: 12vh; margin: 0; font: 500 clamp(38px, 5vw, 74px)/1.12 var(--serif); letter-spacing: -.05em; }

.details { padding-bottom: 190px; }
.detail-grid { margin-top: 90px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.detail-card { position: relative; min-height: 650px; border-radius: 28px; overflow: hidden; background: var(--card); }
.detail-card--wide { grid-column: span 2; min-height: 760px; }
.detail-card img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform 1.2s cubic-bezier(.2,.7,.2,1); }
.detail-card:hover img { transform: scale(1.025); }
.detail-card--close img { transform: scale(1.22); }
.detail-card--close:hover img { transform: scale(1.27); }
.detail-card--coaster img { object-position: 50% 58%; transform-origin: 50% 58%; }
.detail-card--handle img { object-position: 58% 52%; transform-origin: 58% 52%; }
.detail-card--rim img { object-position: 50% 42%; transform-origin: 50% 42%; }
.detail-card--texture img { object-position: 50% 55%; transform: scale(1.34); transform-origin: 50% 55%; }
.detail-card--texture:hover img { transform: scale(1.39); }
.detail-card--focus img { transform: scale(1.42); }
.detail-card--focus:hover img { transform: scale(1.48); }
.detail-card--interior img { object-position: 50% 69%; transform: scale(1.58); transform-origin: 50% 69%; }
.detail-card--interior:hover img { transform: scale(1.64); }
.detail-card--handle img { object-position: 64% 69%; transform: scale(1.6); transform-origin: 64% 69%; }
.detail-card--handle:hover img { transform: scale(1.66); }
.detail-card--texture img { object-position: 50% 70%; transform: scale(1.58); transform-origin: 50% 70%; }
.detail-card--texture:hover img { transform: scale(1.64); }
.detail-card--base img { object-position: 50% 66%; transform: scale(1.58); transform-origin: 50% 66%; }
.detail-card--base:hover img { transform: scale(1.64); }
.detail-card--coaster-front img { object-position: 25% 76%; transform: scale(1.62); transform-origin: 25% 76%; }
.detail-card--coaster-front:hover img { transform: scale(1.68); }
.detail-card--coaster-back img { object-position: 50% 71%; transform: scale(1.55); transform-origin: 50% 71%; }
.detail-card--coaster-back:hover img { transform: scale(1.61); }
.detail-card > div { position: absolute; inset: auto 22px 22px; padding: 22px 24px; border: 1px solid rgba(255,255,255,.6); border-radius: 20px; background: rgba(246,242,235,.78); backdrop-filter: blur(18px); }
.detail-card--interior > div, .detail-card--base > div, .detail-card--coaster-front > div, .detail-card--coaster-back > div { inset: 22px 22px auto; }
.detail-card h3 { margin: 10px 0 0; font-size: clamp(22px, 2.5vw, 34px); letter-spacing: -.05em; }
.detail-card p { margin: 9px 0 0; color: var(--muted); }

.scenes { background: #111; color: white; }
.scene-intro { padding: 160px 0 120px; }
.scene-intro .kicker { color: #c39b72; }
.scene-intro h2 span { color: #716c66; }
.scene { position: relative; aspect-ratio: 3 / 4; overflow: hidden; }
.scene + .scene { border-top: 1px solid rgba(255,255,255,.15); }
.scene::after { display: none; }
.scene img { width: 100%; height: 100%; object-fit: cover; will-change: transform; }
.scene-copy { position: absolute; z-index: 2; left: max(32px, calc((100vw - 1180px)/2)); top: 50%; transform: translateY(-50%); }
.scene-copy--right { left: auto; right: max(32px, calc((100vw - 1180px)/2)); text-align: right; }
.scene-copy > span { color: #e7c39e; }
.scene-copy h3 { margin: 22px 0 20px; font-size: clamp(42px, 5.7vw, 86px); line-height: 1.02; letter-spacing: -.07em; }
.scene-copy p { margin: 0; font-size: 15px; color: rgba(255,255,255,.72); }

.specs { padding-bottom: 180px; }
.spec-table { margin-top: 90px; display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--ink); }
.spec-table div { display: grid; grid-template-columns: 100px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.spec-table div:nth-child(odd) { padding-right: 44px; }
.spec-table div:nth-child(even) { padding-left: 44px; border-left: 1px solid var(--line); }
.spec-table span { font-size: 11px; color: var(--muted); }
.spec-table strong { font: 500 18px var(--serif); }
.sku-specs { margin-top: 56px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.sku-specs figure { margin: 0; overflow: hidden; border-radius: 18px; background: #e9e3da; }
.sku-specs img { width: 100%; display: block; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 44%; background: #e9e3da; }
.sku-specs figcaption { padding: 14px 16px 16px; font-size: 11px; letter-spacing: .04em; color: var(--muted); }

.gallery { padding-bottom: 170px; }
#gallery-grid { margin-top: 90px; columns: 3; column-gap: 18px; }
#gallery-grid figure { break-inside: avoid; margin: 0 0 18px; overflow: hidden; border-radius: 18px; background: #e9e3da; }
#gallery-grid img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; display: block; transition: transform .8s ease; }
#gallery-grid figure:hover img { transform: scale(1.02); }
#gallery-grid figcaption { display: flex; justify-content: space-between; padding: 12px 14px 14px; font-size: 9px; letter-spacing: .08em; color: var(--muted); }

.care { padding: 170px 0; background: #1d1916; color: #f4eee6; }
.care .kicker { color: #d0a87f; }
.care h2 span { color: #8a8178; }
.care .section-shell > p:last-child { width: min(610px, 100%); margin: 52px 0 0 auto; color: #bfb5ab; font-size: 16px; line-height: 2; }
.purchase-notes { position: relative; overflow: hidden; padding: 180px 0 110px; background: #100805; color: #f2e9e2; }
.purchase-glow { position: absolute; top: -18vw; left: 4vw; width: 56vw; height: 56vw; border-radius: 50%; background: radial-gradient(circle, rgba(126,55,34,.35), rgba(55,21,13,.13) 44%, transparent 72%); filter: blur(28px); pointer-events: none; }
.purchase-shell { position: relative; z-index: 1; width: min(1180px, calc(100% - 64px)); margin: auto; display: grid; grid-template-columns: minmax(330px,.82fr) minmax(0,1.18fr); gap: clamp(70px,10vw,150px); align-items: start; }
.purchase-heading { position: sticky; top: 100px; }
.purchase-en { margin: 0 0 34px; color: rgba(255,255,255,.5); font-size: clamp(34px,4.8vw,68px); font-weight: 500; letter-spacing: .035em; }
.purchase-heading .kicker { color: #c58f73; }
.purchase-heading h2 { margin: 0; font: 500 clamp(58px,7.5vw,108px)/.98 var(--serif); letter-spacing: -.085em; }
.purchase-heading h2 span { color: #c99179; }
.purchase-heading > p:last-child { max-width: 360px; margin: 34px 0 0; color: #9f8e84; font-size: 14px; line-height: 1.8; }
.note-list { border-bottom: 1px solid rgba(255,255,255,.16); }
.note-list article { display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 36px 0 40px; border-top: 1px solid rgba(255,255,255,.16); }
.note-list article > span { padding-top: 7px; color: #b87f63; font-size: 10px; letter-spacing: .12em; }
.note-list h3 { margin: 0 0 15px; font-size: clamp(24px,2.25vw,32px); font-weight: 550; letter-spacing: -.04em; }
.note-list p { margin: 0; color: #b9aaa1; font-size: 15px; line-height: 1.95; }
.purchase-thanks { grid-column: 2; margin: -35px 0 0; padding-top: 72px; color: #e5d5cb; font: 500 clamp(28px,3vw,42px)/1.4 var(--serif); }
footer.section-shell { width: 100%; max-width: none; margin: 0; display: flex; justify-content: space-between; gap: 20px; padding: 30px max(32px, calc((100vw - 1180px)/2)) 34px; border-top: 1px solid rgba(255,255,255,.1); background: #100705; font-size: 9px; letter-spacing: .1em; color: #9e8b7e; }
footer a { text-decoration: none; }

[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 800px) {
  .section-shell { width: calc(100% - 36px); }
  .site-header { padding: 8px; }
  .nav-shell { display: grid; grid-template-columns: auto 1fr; width: calc(100% - 16px); padding: 0 10px; }
  .brand { display: inline-flex; }
  .brand img { width: 28px; height: 28px; }
  .nav-cta { display: none; }
  .nav-shell nav { display: flex; gap: 1px; width: 100%; justify-content: flex-end; }
  .nav-shell nav a { padding: 8px 10px; font-size: 11px; }
  .hero-copy { top: 15vh; left: 18px; width: calc(100% - 36px); padding: 16px 14px 18px; border-radius: 16px; background: rgba(247,244,238,.78); backdrop-filter: blur(10px); }
  .hero h1 { font-size: 19vw; }
  .hero-visual { inset: 0; width: 100%; height: 100%; }
  .hero-visual img { object-fit: contain; object-position: center; background: #e7dfd2; }
  .hero-down { right: 18px; bottom: 18px; }
  .hero-down span { display: none; }
  .product-film { padding: 100px 0 92px; }
  .film-shell { width: calc(100% - 36px); grid-template-columns: 1fr; gap: 46px; }
  .film-copy h2 { font-size: 13vw; }
  .film-copy > p:last-child { font-size: 14px; }
  .film-frame { width: 100%; justify-self: stretch; border-radius: 18px; }
  .section-intro, .section-heading { padding-top: 105px; }
  .section-intro h2, .section-heading h2, .scene-intro h2, .care h2 { font-size: 13vw; }
  .lead, .section-heading > p:last-child { margin-top: 30px; font-size: 15px; }
  .design-stage { padding: 65px 0 100px; grid-template-columns: 1fr; gap: 20px; }
  .design-image { position: relative; top: 0; border-radius: 20px; }
  .design-notes { position: relative; z-index: 2; margin: -120px 12px 0; padding: 0; }
  .design-notes article { min-height: auto; margin-bottom: 10px; padding: 22px 20px 24px; border: 1px solid rgba(255,255,255,.55); border-radius: 16px; background: rgba(246,242,235,.88); backdrop-filter: blur(12px); }
  .cinema-break { height: 75vh; min-height: 540px; }
  .details { padding-bottom: 110px; }
  .detail-grid { margin-top: 30px; grid-template-columns: 1fr; gap: 12px; }
  .detail-card, .detail-card--wide { grid-column: auto; min-height: 74vh; border-radius: 20px; }
  .detail-card img { object-fit: cover; background: #e9e3da; }
  .detail-card--interior img { transform: scale(1.22); object-position: 50% 69%; }
  .detail-card--handle img { transform: scale(1.24); object-position: 64% 69%; }
  .detail-card--texture img { transform: scale(1.24); object-position: 50% 70%; }
  .detail-card--base img { transform: scale(1.22); object-position: 50% 66%; }
  .detail-card--coaster-front img { transform: scale(1.18); object-position: 25% 76%; }
  .detail-card--coaster-back img { transform: scale(1.18); object-position: 50% 71%; }
  .detail-card > div { inset: auto 12px 12px; padding: 18px; border-radius: 15px; }
  .scene-intro { padding: 110px 0 80px; }
  .scene { height: auto; min-height: 0; aspect-ratio: 3 / 4; }
  .scene img { object-fit: contain; background: #171412; }
  .scene::after, .scene--dark::after { background: linear-gradient(0deg, rgba(9,8,7,.78), transparent 68%); }
  .specs { padding-bottom: 110px; }
  .spec-table { margin-top: 55px; grid-template-columns: 1fr; }
  .spec-table div:nth-child(odd), .spec-table div:nth-child(even) { padding: 22px 0; border-left: 0; }
  .sku-specs { margin-top: 36px; grid-template-columns: 1fr; gap: 12px; }
  .sku-specs figure { border-radius: 14px; }
  .sku-specs figcaption { padding: 12px 14px 14px; font-size: 10px; line-height: 1.6; }
  #gallery-grid { margin-top: 55px; columns: 2; column-gap: 9px; }
  #gallery-grid img { aspect-ratio: auto; object-fit: contain; background: #e9e3da; }
  #gallery-grid figure { margin-bottom: 9px; border-radius: 10px; }
  .gallery { padding-bottom: 100px; }
  .care { padding: 110px 0; }
  .purchase-notes { padding: 105px 0 80px; }
  .purchase-glow { top: -20vw; left: -34vw; width: 130vw; height: 130vw; }
  .purchase-shell { width: calc(100% - 36px); grid-template-columns: 1fr; gap: 68px; }
  .purchase-heading { position: relative; top: 0; }
  .purchase-en { font-size: 11vw; margin-bottom: 24px; }
  .purchase-heading h2 { font-size: 17vw; }
  .note-list article { grid-template-columns: 38px 1fr; gap: 10px; padding: 28px 0 32px; }
  .note-list p { font-size: 14px; }
  .purchase-thanks { grid-column: 1; margin: -26px 0 0; padding-top: 54px; }
  footer { flex-wrap: wrap; }
}
@media (max-width: 420px) {
  .nav-shell nav a { padding: 8px 7px; font-size: 10px; }
  .brand img { width: 25px; height: 25px; }
}

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