:root{--bg:#f1f5f9;--card:#fff;--text:#1f2937;--muted:#5b6b7f;--line:#d5dde7;--accent:#1d4ed8;--accent-d:#1e3a8a;--code:#f3f6fb;--warn:#fff7e6;--hero:#e8eefb}
@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--card:#1e293b;--text:#e5e7eb;--muted:#9fb0c6;--line:#334155;--accent:#8ab4ff;--accent-d:#c7dbff;--code:#0f172a;--warn:#3a2f12;--hero:#16223d}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.85 "Yu Gothic UI","Meiryo","Hiragino Sans",sans-serif}
a{color:var(--accent)}
img{max-width:100%;height:auto}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text);text-decoration:none;font-size:1.05rem}
.brand img{width:32px;height:32px}
nav.main{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
nav.main a{padding:6px 12px;border-radius:6px;color:var(--text);text-decoration:none;font-size:.95rem}
nav.main a:hover{background:var(--code)}
nav.main a[aria-current=page]{background:var(--accent);color:#fff}
main.site{padding:28px 0 56px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 32px 36px}
h1{font-size:1.8rem;margin:1.1em 0 .6em;padding-bottom:.3em;border-bottom:3px solid var(--accent)}
h2{font-size:1.35rem;margin:2em 0 .6em;padding-left:.6em;border-left:6px solid var(--accent)}
h3{font-size:1.1rem;margin:1.6em 0 .4em}
p,li{margin:.5em 0}
table{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.5em .7em;vertical-align:top;text-align:left}
th{background:var(--code)}
td strong{white-space:nowrap}
.table-wrap{max-width:100%;overflow-x:auto;margin:1em 0}
.table-wrap table{margin:0}
code{overflow-wrap:anywhere}
.panel,.wrap,main.site{min-width:0}
@media (max-width:640px){.table-wrap{overflow:visible}.table-wrap table,.table-wrap tbody,.table-wrap tr,.table-wrap td{display:block;width:100%}.table-wrap thead{display:none}.table-wrap tr{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;padding:4px 12px;background:var(--card)}.table-wrap td{border:0;padding:.35em 0}.table-wrap td:empty{display:none}.table-wrap td::before{content:attr(data-label);display:block;font-size:.8rem;color:var(--muted);font-weight:700}.table-wrap td strong{white-space:normal}}
code{background:var(--code);padding:.1em .35em;border-radius:4px;font-family:Consolas,"Courier New",monospace;font-size:.92em}
pre{background:var(--code);border:1px solid var(--line);border-radius:8px;padding:14px 16px;overflow:auto;white-space:pre-wrap}
pre code{background:none;padding:0}
blockquote{margin:1em 0;padding:.4em 1em;background:var(--warn);border-left:5px solid #f59e0b;border-radius:4px}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.btn{display:inline-block;padding:12px 28px;border:2px solid var(--accent);border-radius:8px;color:var(--accent);text-decoration:none;font-weight:700;background:var(--card)}
.btn:hover{background:var(--code)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d);color:#fff}
.hero{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:center;background:var(--hero);border-radius:14px;padding:36px;margin-bottom:12px}
.hero h1{border:0;margin:.1em 0 .3em;font-size:2.3rem}
.hero .lead{font-size:1.1rem;color:var(--text)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:1.2em 0 .6em}
.hero-image img{border-radius:10px;border:1px solid var(--line);box-shadow:0 8px 28px rgba(15,23,42,.18)}
.note{color:var(--muted);font-size:.9rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:1em 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:6px 20px 14px}
.card h3{margin-top:.9em}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px 14px 56px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;text-align:center;line-height:28px;font-weight:700}
.dl{background:var(--hero);border:1px solid var(--line);border-radius:12px;padding:20px 28px;margin:1em 0}
.dl .ver{font-size:1.25rem;font-weight:700}
.hash{word-break:break-all;font-family:Consolas,monospace;font-size:.85rem;background:var(--code);padding:.3em .5em;border-radius:4px;display:block;margin:.3em 0}
.past li{margin:.3em 0}
footer.site{border-top:1px solid var(--line);background:var(--card);padding:22px 0;color:var(--muted);font-size:.9rem}
footer.site .wrap{display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between}
footer.site a{color:var(--muted)}
footer.site .copy span,footer.site .copy a{white-space:nowrap}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding:22px}.hero h1{font-size:1.8rem}.panel{padding:4px 16px 28px}header.site{position:static}header.site .wrap{gap:4px;padding-bottom:6px}nav.main{margin-left:0;width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}nav.main a{white-space:nowrap}}
@media print{header.site,footer.site{display:none}body{background:#fff}.panel{border:0}}