:root{--bg:#E7EBE7;--glaze:#F8F8F4;--ink:#1B2120;--ink2:#46514E;--muted:#76817D;--line:#CAD2CC;--gold:#BA8A2C;--goldhi:#F4DE97;--seal:#B5372A;
--display:"Shippori Mincho","Hiragino Mincho ProN",Georgia,serif;--ui:"Zen Kaku Gothic New",-apple-system,"Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#101211;--glaze:#1C1F1D;--ink:#EEEAE0;--ink2:#BEBAAF;--muted:#8B8D86;--line:#313632;--gold:#E0B45A;--goldhi:#F8E4A6;--seal:#C3412F}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--ui);-webkit-font-smoothing:antialiased}
main{max-width:720px;margin:0 auto;padding:48px 20px 72px}
header{display:flex;align-items:center;gap:18px;margin-bottom:28px}
header img{width:84px;height:84px;border-radius:20px;box-shadow:0 12px 30px -14px rgba(0,0,0,.5)}
h1{font:800 clamp(38px,7vw,56px)/1 var(--display);margin:0;letter-spacing:-.01em}
.sub{margin:6px 0 0;font-size:12px;font-weight:700;letter-spacing:.5em;text-transform:uppercase;color:var(--gold)}
h2{font:700 24px/1.2 var(--display);margin:40px 0 10px}
p,li{color:var(--ink2);max-width:62ch}
a{color:var(--ink);text-decoration-color:var(--gold);text-underline-offset:3px}
.card{background:var(--glaze);border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin-top:14px}
.card strong{color:var(--ink)}
.rule{height:2px;max-width:220px;background:linear-gradient(90deg,var(--gold),transparent);margin:22px 0}
nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:6px}
footer{margin-top:56px;font-size:13px;color:var(--muted)}