:root{--bg:#f6f7f9;--card:#fff;--text:#1d2025;--muted:#6b7280;--line:#e3e5e8;--accent:#2563eb}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111317;--card:#1a1d22;--text:#e8eaed;--muted:#9aa0a6;--line:#2c3036;--accent:#60a5fa}}
:root[data-theme="dark"]{--bg:#111317;--card:#1a1d22;--text:#e8eaed;--muted:#9aa0a6;--line:#2c3036;--accent:#60a5fa}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.8 system-ui,-apple-system,"Noto Sans JP",sans-serif}
main{max-width:760px;margin:0 auto;padding:36px 16px 60px}
a{color:var(--accent)}
.back{font-size:13px}
h1{font-size:22px;margin:14px 0 6px}
.updated{color:var(--muted);font-size:12px;margin:0 0 22px}
h2{font-size:16px;margin:28px 0 8px;padding-top:4px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 20px}
dl.table{display:grid;grid-template-columns:minmax(120px,200px) 1fr;margin:0}
dl.table dt,dl.table dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line)}
dl.table dt{font-weight:600;padding-right:14px}
dl.table dt:last-of-type,dl.table dd:last-of-type{border-bottom:none}
@media (max-width:560px){dl.table{grid-template-columns:1fr}dl.table dt{border-bottom:none;padding-bottom:0}}
ol,ul{padding-left:22px}
footer{margin-top:36px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}