:root{--fg:#1d1d1f;--muted:#5f6368;--line:#e3e3e3;--bg:#fff;--accent:#0b5cad;--head:#f6f7f9}
@media (prefers-color-scheme:dark){:root{--fg:#e8e8e8;--muted:#a0a4a8;--line:#3a3a3a;--bg:#141414;--accent:#7ab4ff;--head:#1f1f1f}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","PingFang TC","Noto Sans TC","Microsoft JhengHei",Meiryo,sans-serif;overflow-wrap:break-word}
a{color:var(--accent)}
header.site,main,footer.site{max-width:760px;margin:0 auto;padding:0 16px}
header.site{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:baseline;padding-top:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
.langs{font-size:14px;color:var(--muted)}
.langs span{font-weight:600;color:var(--fg)}
h1{font-size:1.75rem;line-height:1.3;margin:1.4rem 0 .6rem}
h2{font-size:1.3rem;line-height:1.4;margin:2.2rem 0 .6rem;padding-top:.4rem}
h3{font-size:1.08rem;margin:1.6rem 0 .4rem}
.byline{color:var(--muted);font-size:14px;margin:0 0 1.2rem}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
ul,ol{padding-left:1.4em}
li{margin:.3em 0}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1rem 0;border:1px solid var(--line);border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--head);font-weight:600}
tr:last-child td{border-bottom:0}
th,td{min-width:5.5em}
td:first-child,th:first-child{min-width:9em}
em{color:var(--muted)}
code{font-size:.9em}
.related{border-top:1px solid var(--line);margin-top:2.5rem}
.toc{list-style:none;padding:0}
.toc li{border-top:1px solid var(--line);padding:.4rem 0 .6rem}
.toc h3{margin:.6rem 0 .3rem}
.toc p{margin:.3rem 0}
.lead{font-size:1.05rem}
.meta{color:var(--muted);font-size:14px}
footer.site{border-top:1px solid var(--line);margin-top:3rem;padding-top:12px;padding-bottom:32px;color:var(--muted);font-size:14px}
@media (max-width:600px){body{font-size:16px}h1{font-size:1.45rem}h2{font-size:1.18rem}table{font-size:14px}th,td{padding:7px 8px}}