:root{--brand:#0EA5E0;--brand-soft:#e6f6fd;--ink:#0F2341;--ink-2:#4a5170;--ink-3:#8a90aa;--line:#e4e7f2;--bg:#f7f9fc;--surface:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#eef2fb;--ink-2:#b9c0d6;--ink-3:#8a90aa;--line:#26304a;--bg:#0b1324;--surface:#111b30;--brand-soft:#0f2a3d}}
*{box-sizing:border-box;margin:0}
body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink-2);line-height:1.7;font-size:16px}
a{color:var(--brand)}
.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top .in{max-width:860px;margin:0 auto;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;font-size:20px;color:var(--ink)}
.logo img{width:30px;height:auto}
.logo b{color:var(--brand)}
.top nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.top nav a{text-decoration:none;color:var(--ink-2)}
.top nav a[aria-current]{color:var(--brand);font-weight:700}
main{max-width:860px;margin:0 auto;padding:40px 16px 80px}
h1{color:var(--ink);font-size:clamp(28px,5vw,40px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.meta{color:var(--ink-3);font-size:14px;margin:10px 0 28px}
h2{color:var(--ink);font-size:21px;font-weight:800;margin:36px 0 10px}
h3{color:var(--ink);font-size:17px;font-weight:700;margin:22px 0 6px}
p,ul,ol,table{margin:0 0 14px}
ul,ol{padding-left:22px}
li{margin:4px 0}
.box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:0 0 18px}
table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:block;overflow-x:auto}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--ink);font-weight:700;background:var(--brand-soft)}
footer{border-top:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--ink-3)}
footer .in{max-width:860px;margin:0 auto;padding:22px 16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:var(--ink-2);text-decoration:none;margin-left:14px}