:root{
  --ink:#0A0E1A;--muted:#5C6679;--line:#E4E8F0;--brand:#2F5BEA;--soft:#F6F8FC;
  --font:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);color:var(--ink);line-height:1.95;font-size:15.5px;background:#fff;font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
.bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:9}
.bar .in{width:min(880px,92vw);margin-inline:auto;height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:17px;color:var(--ink);text-decoration:none}
.logo i{width:25px;height:25px;border-radius:8px;background:linear-gradient(135deg,var(--brand),#7C5CFF);display:grid;place-items:center;color:#fff;font-size:12.5px;font-style:normal}
.back{font-size:13.5px;font-weight:700;text-decoration:none}
main{width:min(880px,92vw);margin:clamp(36px,6vw,64px) auto clamp(60px,9vw,96px)}
h1{font-size:clamp(23px,3.4vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.5}
.updated{color:var(--muted);font-size:13px;margin-top:10px;padding-bottom:22px;border-bottom:1px solid var(--line)}
h2{font-size:17.5px;font-weight:800;margin:38px 0 12px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.6}
p{margin:12px 0;color:#232B3D}
ol,ul{margin:12px 0 12px 1.4em;color:#232B3D}
li{margin:7px 0}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
th,td{border:1px solid var(--line);padding:13px 15px;text-align:left;vertical-align:top}
th{background:var(--soft);width:32%;font-weight:800;white-space:nowrap}
@media(max-width:640px){th,td{display:block;width:100%;border-bottom:none}td{border-bottom:1px solid var(--line)}}
.note{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:13.5px;color:var(--muted);margin:22px 0}
footer{border-top:1px solid var(--line);padding:26px 0;text-align:center;font-size:12.5px;color:var(--muted)}
footer a{margin:0 10px}