:root{
  --ink:#16130f; --ink2:#211d17; --paper:#f5f1e8;
  --gold:#c9a24b; --blood:#b3372a; --night:#33507a; --mist:#9a917f;
  --hairline:#3a352c;
  --serif:'Shippori Mincho',serif; --latin:'Cormorant Garamond',serif; --sans:'Zen Kaku Gothic New',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:15px;line-height:2.1;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
.wrap{max-width:840px;margin:0 auto;padding:0 28px}

header{position:sticky;top:0;z-index:50;background:rgba(22,19,15,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--hairline)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1080px;margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:baseline;gap:12px}
.brand .en{font-family:var(--latin);font-size:21px;letter-spacing:.06em}
.brand .drop-dot{color:var(--blood)}
.back{font-size:12.5px;letter-spacing:.12em;color:var(--mist);transition:color .2s}
.back:hover{color:var(--gold)}

/* hero */
.p-hero{padding:88px 0 56px;
  background:
    radial-gradient(ellipse 55% 45% at 85% 0%, rgba(51,80,122,.4), transparent 62%),
    radial-gradient(ellipse 40% 40% at 8% 100%, rgba(201,162,75,.12), transparent 60%),
    var(--ink);}
.crumb{font-size:11px;letter-spacing:.3em;color:var(--gold);margin-bottom:26px}
.p-hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,6vw,54px);letter-spacing:.06em;line-height:1.5}
.p-hero .latin-name{font-family:var(--latin);font-style:italic;font-size:clamp(16px,2.4vw,21px);color:var(--mist);letter-spacing:.08em;margin-top:6px}
.p-hero .hook{font-family:var(--serif);font-weight:600;font-size:clamp(16px,2.6vw,20px);letter-spacing:.1em;color:var(--paper);margin-top:26px}
.meta{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:24px;border-top:1px solid var(--hairline)}
.meta div{min-width:120px}
.meta .l{font-size:10.5px;letter-spacing:.2em;color:var(--mist)}
.meta .v{font-family:var(--serif);font-size:15.5px;font-weight:600;margin-top:2px}

/* video */
.video-sec{padding:26px 0 0}
.video-frame{position:relative;aspect-ratio:16/9;border:1px solid var(--hairline);background:#0e0c09}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-cap{font-size:12px;color:var(--mist);letter-spacing:.06em;margin-top:12px}

/* story */
.story{padding:80px 0 30px}
.sec-label{display:flex;align-items:baseline;gap:18px;margin-bottom:44px}
.sec-label .no{font-family:var(--latin);font-style:italic;font-size:15px;color:var(--gold)}
.sec-label h2{font-family:var(--serif);font-weight:600;font-size:clamp(22px,3.2vw,28px);letter-spacing:.08em}
.chapter{position:relative;padding:0 0 56px 34px;border-left:1px solid var(--hairline)}
.chapter:last-of-type{border-left-color:transparent}
.chapter::before{content:'';position:absolute;left:-5px;top:10px;width:9px;height:9px;border-radius:50%;background:var(--ink);border:2px solid var(--gold)}
.chapter.final::before{background:var(--blood);border-color:var(--blood)}
.chapter .years{font-family:var(--latin);font-size:14px;letter-spacing:.14em;color:var(--gold)}
.chapter h3{font-family:var(--serif);font-weight:700;font-size:clamp(19px,2.8vw,23px);letter-spacing:.06em;margin:8px 0 16px;line-height:1.7}
.chapter p{color:#d8d1c2;font-size:14.5px;max-width:640px}
.chapter p+p{margin-top:1.2em}
.chapter p strong{color:var(--paper)}
.quote{font-family:var(--serif);font-size:15px;color:var(--paper);border-left:2px solid var(--gold);padding:4px 0 4px 22px;margin:26px 0;line-height:2.2;max-width:600px}
.quote .src{display:block;font-family:var(--sans);font-size:11.5px;color:var(--mist);margin-top:8px;letter-spacing:.1em}

/* artwork figure */
figure.art{margin:36px 0 10px}
figure.art .frame{border:1px solid var(--hairline);background:#0e0c09;padding:14px}
figure.art img{width:100%}
figure.art figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-top:12px}
figure.art .title{font-family:var(--serif);font-size:14px;font-weight:600;letter-spacing:.08em}
figure.art .loc{font-size:11.5px;color:var(--mist);letter-spacing:.08em}
.pd-note{font-size:11px;color:var(--mist);letter-spacing:.04em;margin-top:4px}

/* museums */
.museums{background:var(--ink2);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);padding:76px 0}
.museums .lede{color:#cfc8ba;font-size:14.5px;max-width:620px;margin-bottom:40px}
.mu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
.mu{background:var(--ink2);padding:24px 26px}
.mu .place{font-family:var(--serif);font-size:15.5px;font-weight:600;letter-spacing:.04em}
.mu .city{font-size:11px;letter-spacing:.16em;color:var(--gold);margin-bottom:8px}
.mu p{font-size:12.5px;color:#bdb5a5;line-height:1.9}

/* about-ai note */
.ai-note{padding:70px 0}
.ai-note .box{border:1px solid var(--hairline);padding:32px 36px;max-width:720px}
.ai-note h3{font-family:var(--serif);font-size:16px;font-weight:600;letter-spacing:.08em;color:var(--gold);margin-bottom:14px}
.ai-note p{font-size:13.5px;color:#cfc8ba}

/* chapter watch link */
.ch-watch{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:.14em;color:var(--gold);border:1px solid rgba(201,162,75,.5);padding:8px 18px;margin-top:22px;transition:background .2s,color .2s}
.ch-watch:hover{background:var(--gold);color:var(--ink)}
.ch-watch .tri{width:0;height:0;border-left:6px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent}

/* palette anatomy */
.palette-sec{padding:76px 0 20px}
.palette-sec .lede{color:#cfc8ba;font-size:14.5px;max-width:620px;margin-bottom:36px}
.sw-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:34px}
.sw-chip{border:1px solid var(--hairline);background:var(--ink2)}
.sw-chip .color{height:64px}
.sw-chip .body{padding:12px 14px}
.sw-chip .name{font-family:var(--serif);font-size:13px;font-weight:600;letter-spacing:.04em}
.sw-chip .note{font-size:11px;color:var(--mist);line-height:1.8;margin-top:3px}
.palette-sec .tech{font-size:13.5px;color:#d8d1c2;max-width:640px}
.palette-sec .tech strong{color:var(--paper)}

/* quiz */
.quiz-sec{padding:66px 0 30px}
.quiz-sec .lede{color:#cfc8ba;font-size:14.5px;margin-bottom:32px}
.q{border:1px solid var(--hairline);background:var(--ink2);margin-bottom:14px}
.q summary{cursor:pointer;list-style:none;padding:20px 24px;display:flex;gap:16px;align-items:baseline}
.q summary::-webkit-details-marker{display:none}
.q .qno{font-family:var(--latin);font-style:italic;font-size:14px;color:var(--gold);white-space:nowrap}
.q .qt{font-family:var(--serif);font-size:14.5px;font-weight:600;line-height:1.9}
.q summary .hint{margin-left:auto;font-size:11px;letter-spacing:.14em;color:var(--mist);white-space:nowrap}
.q[open] summary .hint{display:none}
.q .ans{padding:0 24px 22px 24px;font-size:13.5px;color:#d8d1c2;border-top:1px dashed var(--hairline);margin:0 24px;padding:16px 0 22px}
.q .ans strong{color:var(--gold)}

/* related painters */
.related{background:var(--ink2);border-top:1px solid var(--hairline);padding:76px 0}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.rel{display:block;border:1px solid var(--hairline);background:var(--ink);padding:22px 24px;transition:transform .25s,border-color .25s}
.rel:hover{transform:translateY(-3px);border-color:var(--gold)}
.rel .why{font-size:10.5px;letter-spacing:.18em;color:var(--gold);margin-bottom:8px}
.rel h3{font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.06em}
.rel p{font-size:12px;color:#bdb5a5;line-height:1.9;margin-top:6px}
.rel .go{font-size:11px;letter-spacing:.14em;color:var(--mist);margin-top:12px}

/* next */
.next{padding:20px 0 100px;text-align:center}
.next .btn{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;padding:14px 30px;border:1px solid var(--gold);color:var(--gold);transition:background .25s,color .25s;margin:0 8px 12px}
.next .btn:hover{background:var(--gold);color:var(--ink)}

footer{border-top:1px solid var(--hairline);padding:40px 0 48px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;max-width:1080px}
footer p{font-size:11.5px;color:var(--mist);letter-spacing:.06em;line-height:2}

@media(max-width:640px){
  .p-hero{padding:64px 0 44px}
  .story{padding:60px 0 20px}
  .chapter{padding-left:26px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}