:root{--bg:#fff;--fg:#1b2545;--muted:#5d6780;--line:#e3e7ee;--accent:#1a6fd4}
@media (prefers-color-scheme: dark){:root{--bg:#10192b;--fg:#f1f4fa;--muted:#a9b3c8;--line:#27344d;--accent:#8ab8ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:'M PLUS Rounded 1c','Hiragino Maru Gothic ProN',sans-serif;font-size:16px;line-height:1.75}
header{border-bottom:1px solid var(--line);padding:12px 16px}
header a{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:1.1rem;color:var(--fg);text-decoration:none}
header img{border-radius:9px}
main{max-width:720px;margin:0 auto;padding:24px 16px 48px}
h1{font-size:1.7rem;font-weight:900;margin:8px 0 4px}
h2{font-size:1.1rem;font-weight:900;margin:28px 0 6px}
p,ul{margin:0 0 12px}
ul{padding-left:1.3em}
.upd{color:var(--muted);font-size:.9rem}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);padding:18px 16px 40px;display:flex;gap:18px;justify-content:center;font-size:.9rem}
footer a{color:var(--muted)}