:root{
  --ink:#1a1a2e; --muted:#5b5b74; --line:#e7e7ef; --bg:#ffffff; --soft:#f6f6fb;
  --brand:#c8102e; --brand2:#0b1f4d; --radius:14px; --max:1080px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue","Hiragino Kaku Gothic ProN","Noto Sans JP",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7}
a{color:var(--brand2);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--brand)}
nav a{margin-left:18px;color:var(--muted);font-weight:600;font-size:.95rem}
nav a:hover{color:var(--ink)}
.hero{background:linear-gradient(160deg,#0b1f4d 0%,#16306e 60%,#c8102e 140%);color:#fff;padding:76px 0}
.hero h1{font-size:2.4rem;margin:0 0 12px;line-height:1.25}
.hero p{font-size:1.12rem;opacity:.92;max-width:640px;margin:0 0 22px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.badge{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 12px;border-radius:999px;font-size:.85rem}
.btn{display:inline-block;background:#fff;color:var(--brand2);font-weight:700;padding:11px 20px;border-radius:999px;border:0}
.btn:hover{text-decoration:none;opacity:.92}
section{padding:56px 0}
section.soft{background:var(--soft)}
h2{font-size:1.6rem;margin:0 0 18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:.2rem 0 .5rem;font-size:1.1rem}
.card p{color:var(--muted);margin:0}
.lead{color:var(--muted);max-width:720px}
.kv{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.kv th,.kv td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.kv th{width:34%;background:var(--soft);font-weight:700;color:var(--ink)}
.kv tr:last-child th,.kv tr:last-child td{border-bottom:0}
.doc{max-width:820px}
.doc h2{margin-top:34px} .doc h3{margin-top:22px}
.doc p,.doc li{color:#33334a}
.muted{color:var(--muted)}
footer.site{border-top:1px solid var(--line);background:var(--soft);padding:34px 0;margin-top:20px;font-size:.92rem}
footer.site .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}
footer.site a{color:var(--muted);display:block;margin:4px 0}
.jp{color:var(--muted);font-size:.92em}
@media(max-width:760px){.grid{grid-template-columns:1fr}.hero h1{font-size:1.9rem}nav a{margin-left:12px;font-size:.85rem}}