:root{--bg:#fff;--bg2:#f5f5f7;--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--link:#0066cc;--mark:#fff3b0;
--f:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#000;--bg2:#161617;--ink:#f5f5f7;--muted:#86868b;--line:#424245;--link:#2997ff;--mark:#5c4b00;color-scheme:dark}}
body{background:var(--bg);color:var(--ink);font-family:var(--f);font-size:17px;line-height:1.55;letter-spacing:-.01em}
.top{position:sticky;top:0;background:var(--bg2);border-bottom:1px solid var(--line)}
.top div,main{max-width:760px;margin:0 auto;padding-left:max(22px,env(safe-area-inset-left,0px));padding-right:max(22px,env(safe-area-inset-right,0px))}
.top div{display:flex;justify-content:space-between;align-items:center;min-height:48px;font-size:14px}
.top a{color:var(--ink);text-decoration:none;font-weight:600}
main{padding-block:48px 80px}
h1{font-size:clamp(32px,5vw,44px);letter-spacing:-.04em;line-height:1.1;margin:0 0 8px}
h2{font-size:21px;letter-spacing:-.02em;margin:36px 0 8px}
.meta{color:var(--muted);font-size:14px;margin:0 0 24px}
a{color:var(--link)} mark{background:var(--mark);color:inherit;padding:0 3px;border-radius:3px}
ol,ul{padding-left:1.3em} li{margin:6px 0}
table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:13px}