:root{--bg:#fff;--fg:#1a1a1a;--mut:#6b6b6b;--line:#e4e4e4;--acc:#2f5bea}
@media(prefers-color-scheme:dark){:root{--bg:#141414;--fg:#e8e8e8;--mut:#9a9a9a;--line:#2c2c2c;--acc:#7ea0ff}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 -apple-system,'Apple SD Gothic Neo',sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 16px 80px}a{color:var(--acc)}
h1{font-size:1.6rem}h2{margin-top:2rem;font-size:1.15rem}.mut{color:var(--mut);font-size:.9rem}
pre{background:rgba(127,127,127,.12);padding:12px;overflow:auto;border-radius:6px}
code{background:rgba(127,127,127,.12);padding:1px 4px;border-radius:4px}pre code{background:none;padding:0}
.tl{list-style:none;padding:0;border-left:2px solid var(--line);margin-left:6px}
.tl li{padding:0 0 18px 16px;position:relative}
.tl li:before{content:'';position:absolute;left:-6px;top:9px;width:10px;height:10px;border-radius:50%;background:var(--acc)}