:root {
  --white:#fff; --paper:#faf9f8; --ink:#272124; --muted:#777074; --line:#ded9db;
  --red:#86172a; --red-soft:#f5e9eb; --gold:#b4935c; --gold-soft:#f3ede3;
  --max:1580px; --header:72px;
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color-scheme:light; font-synthesis:none;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;color:var(--ink);background:var(--white)}
a{color:inherit;text-decoration:none} button{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;padding:10px 14px;color:#fff;background:var(--red)}.skip-link:focus{top:12px}
.site-header{position:fixed;inset:0 0 auto;z-index:30;height:var(--header);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 clamp(24px,4vw,72px);background:rgba(255,255,255,.9);border-bottom:1px solid rgba(39,33,36,.08);backdrop-filter:blur(18px)}
.brand{justify-self:start;font:650 19px/1 Georgia,serif;letter-spacing:-.03em}.brand span{color:var(--red)}.header-center{font-size:10px;letter-spacing:.22em;color:var(--muted)}.header-link{justify-self:end;padding-bottom:4px;border-bottom:1px solid var(--ink);font-size:12px}
.chapter-rail{position:fixed;top:50%;right:clamp(18px,2.2vw,42px);z-index:20;display:flex;flex-direction:column;gap:10px;transform:translateY(-50%)}
.rail-item{position:relative;display:grid;grid-template-columns:34px 22px;gap:8px;align-items:center;width:64px;padding:5px 0;border:0;color:#9f999c;background:transparent;cursor:pointer;text-align:left}.rail-item i{width:13px;height:1px;justify-self:end;background:#bdb7ba;transition:.25s}.rail-item b{font:500 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace}.rail-item span{position:absolute;right:61px;top:50%;width:max-content;padding:7px 10px;color:#fff;background:var(--ink);font-size:11px;opacity:0;pointer-events:none;transform:translate(6px,-50%);transition:.2s}.rail-item:hover span,.rail-item:focus-visible span{opacity:1;transform:translate(0,-50%)}.rail-item.is-active{color:var(--red)}.rail-item.is-active i{width:34px;background:var(--red)}
.hero,.case-section{scroll-margin-top:var(--header)}.hero{position:relative;min-height:100svh;max-width:var(--max);margin:auto;padding:clamp(135px,17vh,195px) clamp(84px,8vw,140px) 80px clamp(36px,7vw,116px);overflow:hidden}
.kicker{display:flex;gap:24px;margin:0 0 38px;color:var(--red);font-size:10px;letter-spacing:.19em}.kicker span+span{color:var(--muted)}h1{max-width:1120px;margin:0;font-size:clamp(56px,6.5vw,104px);font-weight:580;line-height:1;letter-spacing:-.065em}
.definition{position:absolute;right:clamp(100px,10vw,180px);top:58%;max-width:390px;padding-left:28px;border-left:2px solid var(--red)}.definition span{color:var(--red);font-size:11px;letter-spacing:.14em}.definition p{margin:17px 0 0;font-size:19px;line-height:1.7;letter-spacing:-.02em}
.hero-mark{position:absolute;left:clamp(36px,7vw,116px);right:clamp(100px,10vw,180px);bottom:17%;display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr auto 1fr auto;align-items:center;gap:16px;color:#6f686c;font-size:13px}.hero-mark strong{font-weight:520}.hero-mark strong:first-child,.hero-mark strong:last-child{color:var(--red)}.hero-mark i{height:1px;background:linear-gradient(90deg,var(--red),#d9d4d6)}.scroll-cue{position:absolute;left:clamp(36px,7vw,116px);bottom:42px;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:10px;letter-spacing:.12em}.scroll-cue i{width:46px;height:1px;background:var(--red)}
.case-section{min-height:100svh;max-width:var(--max);margin:auto;padding:116px clamp(84px,8vw,140px) 96px clamp(36px,7vw,116px)}.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:40px}.section-heading>span{color:var(--red);font:500 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace}.section-heading p{margin:-2px 0 8px;color:var(--muted);font-size:9px;letter-spacing:.2em}.section-heading h2{margin:0;font-size:clamp(34px,4vw,58px);font-weight:520;line-height:1;letter-spacing:-.045em}
.case-grid{display:grid;grid-template-columns:minmax(0,4.1fr) minmax(210px,1.15fr);gap:clamp(32px,5vw,76px);align-items:start}.evidence{min-width:0;margin:0;outline:none;cursor:zoom-in}.evidence figcaption{display:flex;justify-content:space-between;align-items:center;height:40px;padding:0 2px;border-top:1px solid var(--ink);font-size:11px}.evidence figcaption em{color:var(--muted);font-size:9px;font-style:normal;letter-spacing:.05em}.evidence>img{display:block;width:100%;height:auto;border:1px solid #d9d5d7;background:#f7f7f7;box-shadow:0 20px 48px rgba(39,33,36,.07)}.evidence:focus-visible figcaption{color:var(--red)}
.design-note{position:sticky;top:130px;min-height:245px}.note-rule{width:100%;height:1px;margin-bottom:14px;background:#d8d3d5}.design-note>span{color:var(--red);font-size:9px;letter-spacing:.18em}.design-note h3{margin:28px 0 17px;font-size:clamp(21px,1.7vw,28px);font-weight:540;line-height:1.28;letter-spacing:-.035em}.design-note p{margin:0;color:#5f585c;font-size:13px;line-height:1.9}.design-note dl{margin:34px 0 0;border-top:1px solid #e3dfe0}.design-note dl div{display:grid;grid-template-columns:60px 1fr;gap:12px;padding:15px 0;border-bottom:1px solid #e3dfe0}.design-note dt{color:var(--red);font-size:10px;letter-spacing:.08em}.design-note dd{margin:0;color:#686165;font-size:11px;line-height:1.55}.design-note .privacy{margin-top:34px;padding-top:15px;border-top:1px solid #e3dfe0;color:#8b8488;font-size:10px;line-height:1.7}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(22px,2.5vw,38px)}.gallery-card>img{aspect-ratio:1.56;object-fit:cover;object-position:center top}.gallery-card figcaption span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gallery-card figcaption em{flex:none}
footer{display:flex;justify-content:space-between;margin-top:100px;padding-top:20px;border-top:1px solid var(--ink);color:var(--muted);font-size:9px;letter-spacing:.13em}footer a{color:var(--red)}
.lightbox{width:min(95vw,1540px);max-height:94vh;padding:48px 24px 24px;border:0;background:#fff;box-shadow:0 30px 100px rgba(0,0,0,.28)}.lightbox::backdrop{background:rgba(39,33,36,.72);backdrop-filter:blur(8px)}.lightbox>button{position:absolute;right:18px;top:8px;padding:4px 10px;border:0;color:var(--ink);background:transparent;cursor:pointer;font-size:28px;font-weight:250}.lightbox>div{max-height:calc(94vh - 76px);overflow:auto}.lightbox img{display:block;width:100%;height:auto}
@media(max-width:1080px){.hero,.case-section{padding-right:88px}.definition{right:88px}.case-grid{grid-template-columns:minmax(0,1fr) 190px;gap:30px}}
@media(max-width:760px){:root{--header:60px}.site-header{grid-template-columns:1fr auto;padding:0 20px}.header-center{display:none}.chapter-rail{top:auto;left:0;right:0;bottom:0;transform:none;flex-direction:row;justify-content:center;gap:2px;padding:8px;background:rgba(255,255,255,.94);border-top:1px solid #e4e0e2}.rail-item{grid-template-columns:1fr;width:38px;justify-content:center}.rail-item i,.rail-item span{display:none}.rail-item b{text-align:center}.rail-item.is-active b{padding-bottom:4px;border-bottom:2px solid var(--red)}.hero{min-height:100svh;padding:110px 22px 100px}.kicker{display:block}.kicker span{display:block;margin-bottom:8px}h1{font-size:clamp(48px,14vw,70px)}.definition{position:static;max-width:620px;margin-top:48px;padding-left:18px}.hero-mark{left:22px;right:22px;bottom:115px;gap:8px;font-size:10px}.scroll-cue{display:none}.case-section{min-height:auto;padding:88px 22px 90px}.case-grid{grid-template-columns:1fr;gap:28px}.design-note{position:static;min-height:0}.gallery{grid-template-columns:1fr}.evidence{overflow-x:auto}.evidence>img{min-width:760px}.gallery-card>img{min-width:0}.section-heading{margin-bottom:28px}footer{margin-bottom:46px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}