:root{color-scheme:light;--bg:#fff;--rail:#f7f8f7;--ink:#242b28;--muted:#5f6b65;--line:#dfe4e1;--accent:#23614b;--active:#e8f1ec;--code:#f0f3f1}
html[data-theme=dark]{color-scheme:dark;--bg:#171c19;--rail:#1c231f;--ink:#e6ece8;--muted:#a6b2aa;--line:#39433d;--accent:#8bd5af;--active:#293e32;--code:#29332d}
@media(prefers-color-scheme:dark){html:not([data-theme=light]){color-scheme:dark;--bg:#171c19;--rail:#1c231f;--ink:#e6ece8;--muted:#a6b2aa;--line:#39433d;--accent:#8bd5af;--active:#293e32;--code:#29332d}}
*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Meiryo,sans-serif;font-size:15px;line-height:1.9}a{color:var(--accent);text-underline-offset:3px}button,input{font:inherit}button{cursor:pointer;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:6px 12px}button:hover{background:var(--active)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}
.topbar{height:65px;display:flex;align-items:center;gap:20px;padding:0 28px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}.brand{font-size:20px;font-weight:750;color:var(--ink);text-decoration:none;min-width:218px}.brand span{font-size:14px;font-weight:450;margin-left:10px;color:var(--muted)}.search-button{display:flex;align-items:center;justify-content:space-between;width:310px;text-align:left;color:var(--muted);font-size:13px;line-height:1.7;background:var(--rail)}.language{margin-left:auto;white-space:nowrap;font-size:13px;text-decoration:none}.theme-button{font-size:12px;min-width:78px}.menu-button{display:none}
.layout{max-width:1536px;margin:0 auto;display:grid;grid-template-columns:260px minmax(0,800px) 208px;justify-content:center;min-height:calc(100vh - 65px)}.sidebar{position:sticky;top:65px;height:calc(100dvh - 65px);overflow-y:auto;overscroll-behavior:contain;padding:25px 20px 25px 22px;border-right:1px solid var(--line);background:var(--rail);scrollbar-width:thin}.nav-group{margin-bottom:22px}.nav-group h2{font-size:12px;color:var(--muted);font-weight:650;margin:0 0 7px;padding-left:12px}.nav-group ul,.toc ul{list-style:none;padding:0;margin:0}.nav-group a{display:block;font-size:13px;line-height:1.6;padding:8px 12px;text-decoration:none;color:var(--ink);border-left:2px solid transparent;border-radius:0 4px 4px 0}.nav-group a:hover{background:var(--code)}.nav-group a[aria-current=page]{background:var(--active);color:var(--accent);border-left-color:var(--accent);font-weight:650}.sidebar-footer{border-top:1px solid var(--line);padding:17px 12px 0;color:var(--muted);font-size:11px}
main{padding:30px 48px 0;min-width:0}.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 30px;font-size:11px;color:var(--muted);gap:8px}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px}.breadcrumbs a{color:var(--muted);text-decoration:none}.article-header{border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:34px}h1{font-size:clamp(25px,2.5vw,32px);line-height:1.5;font-weight:700;margin:0 0 15px}.intro{color:var(--muted);margin:0;font-size:15px}article section{margin-bottom:44px;scroll-margin-top:85px}article h2{font-size:20px;line-height:1.6;margin:0 0 16px;font-weight:680}article h3{font-size:16px;margin:24px 0 10px}p{margin:12px 0 17px}li{margin:7px 0}ul,ol{padding-left:1.5em}strong{font-weight:650}code,kbd{font-family:ui-monospace,Consolas,monospace;font-size:.88em;background:var(--code);border:1px solid var(--line);border-radius:3px;padding:2px 5px;overflow-wrap:anywhere}kbd{white-space:nowrap;font-size:.82em}.note{border-left:3px solid var(--accent);background:var(--rail);padding:16px 20px;margin:25px 0;font-size:14px}.note p:last-child{margin-bottom:0}
table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.8;margin:20px 0;table-layout:fixed}td,th{text-align:left;vertical-align:top;padding:12px 13px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}th{background:var(--rail);font-weight:650}dt{font-weight:650;margin-top:20px}dd{margin:4px 0 22px}.reading-list{padding:0;list-style:none;counter-reset:reading}.reading-list li{position:relative;border-bottom:1px solid var(--line);padding:17px 0 17px 38px;margin:0}.reading-list li::before{counter-increment:reading;content:counter(reading,decimal-leading-zero);position:absolute;left:0;top:19px;font-size:12px;color:var(--muted)}.reading-list a{font-weight:600;text-decoration:none}.reading-list span{display:block;font-size:13px;color:var(--muted);margin-top:4px}.link-list{padding:0;list-style:none}.link-list li{border-bottom:1px solid var(--line);padding:10px 0}.link-list a{text-decoration:none}.link-list a::after{content:" →";color:var(--muted)}
.toc{position:sticky;top:65px;height:fit-content;max-height:calc(100dvh - 65px);overflow:auto;padding:35px 20px 24px 12px;font-size:12px}.toc p{font-size:11px;margin:0 0 12px;color:var(--muted)}.toc li{margin:0}.toc a{display:block;padding:7px 10px;border-left:1px solid var(--line);color:var(--muted);text-decoration:none;line-height:1.7}.toc a[aria-current=location]{border-left:2px solid var(--accent);color:var(--accent)}.page-turn{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px;padding:22px 0}.page-turn a{text-decoration:none;line-height:1.8}.page-turn a:last-child{text-align:right}.page-turn small{display:block;color:var(--muted);font-size:11px}.page-turn span{font-size:14px}footer{border-top:1px solid var(--line);padding:23px 0 30px;font-size:11px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}.mobile-toc{display:none}
.skip{position:fixed;top:-90px;left:16px;padding:12px 18px;background:var(--bg);z-index:100}.skip:focus{top:8px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.search-dialog{padding:22px;width:min(660px,calc(100vw - 28px));max-height:80dvh;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);box-shadow:0 15px 60px #0003;overflow-y:auto}.search-dialog::backdrop{background:#0007}.search-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.search-top h2{font-size:16px;margin:0}.search-top button{font-size:12px}.search-dialog input{width:100%;padding:12px;border:1px solid var(--line);background:var(--rail);color:var(--ink);border-radius:4px}.search-status{font-size:12px;color:var(--muted);margin:13px 0}.search-results{list-style:none;margin:0;padding:0}.search-results li{margin:0;border-top:1px solid var(--line)}.search-results a{display:block;text-decoration:none;padding:15px 10px}.search-results a:hover{background:var(--rail)}.search-results strong{display:block;font-size:14px}.search-results p{font-size:12px;color:var(--muted);margin:6px 0 0;line-height:1.8}.search-results mark{background:var(--active);color:var(--accent);font-weight:650}.nojs{padding:15px;text-align:center;font-size:12px}.legacy-anchor{display:block;scroll-margin-top:85px}
@media(min-width:1600px){.layout{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
@media(max-width:1180px){.layout{grid-template-columns:235px minmax(0,800px)}.toc{display:none}main{padding:28px 36px 0}.brand{min-width:190px}.mobile-toc{display:block;background:var(--rail);padding:12px 16px;margin:0 0 30px;border:1px solid var(--line);font-size:13px}.mobile-toc summary{cursor:pointer;color:var(--muted)}}
@media(max-width:760px){.topbar{height:59px;padding:0 14px;gap:10px}.brand{min-width:auto;font-size:17px}.brand span{display:none}.menu-button{display:block;font-size:12px;padding:6px 9px}.search-button{width:auto;font-size:0;padding:7px 11px}.search-button::before{content:"検索";font-size:12px}html[lang=en] .search-button::before{content:"Search"}.search-button kbd{display:none}.language{font-size:12px}.theme-button{font-size:11px;padding:6px 8px;min-width:0}.layout{display:block}.sidebar{position:static;height:auto;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:20px}.js .sidebar:not(.is-open){display:none}.sidebar nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.nav-group{margin:0}.sidebar-footer{margin-top:16px}main{padding:24px 20px 0}.breadcrumbs ol{margin-bottom:22px;font-size:10px}.article-header{padding-bottom:20px;margin-bottom:25px}h1{font-size:25px}article h2{font-size:19px}body{font-size:14px}.intro{font-size:14px}article section{margin-bottom:36px}td,th{padding:10px 8px}article table{font-size:12px}.page-turn{gap:15px}.page-turn span{font-size:13px}.search-dialog{padding:17px}.search-top h2{font-size:14px}}
@media print{.topbar,.sidebar,.toc,.mobile-toc,.page-turn,.search-dialog,.nojs{display:none!important}.layout{display:block}main{padding:0}body{color:#000;background:#fff}a{color:inherit}h2,h3{break-after:avoid}}