:root{color-scheme:light dark;--fg:#222;--bg:#faf8f4;--muted:#666;--line:#ddd;--accent:#8a3b2a}
@media(prefers-color-scheme:dark){:root{--fg:#e8e6e1;--bg:#1b1a18;--muted:#a9a6a0;--line:#3a3835;--accent:#e08a72}}
*{box-sizing:border-box}
body{margin:0;padding:24px 16px 48px;font:16px/1.7 -apple-system,"Segoe UI",Roboto,"Hiragino Sans","Noto Sans JP",sans-serif;color:var(--fg);background:var(--bg)}
main{max-width:720px;margin:0 auto}
h1{font-size:1.6rem;margin:0 0 4px}h2{font-size:1.15rem;margin:32px 0 8px;padding-top:12px;border-top:1px solid var(--line)}h3{font-size:1rem;margin:20px 0 4px}
p,li{margin:6px 0}ul{padding-left:1.4em}
a{color:var(--accent)}
.lead{color:var(--muted)}
.lang{font-size:.9rem;color:var(--muted);margin-bottom:24px}
table{border-collapse:collapse;width:100%;font-size:.95rem}td,th{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
footer{margin-top:48px;font-size:.85rem;color:var(--muted)}
code{font-size:.9em}