:root{--bg:#09111f;--panel:#111c31;--line:#2b3d5d;--text:#f5f7fb;--muted:#a9b8d1;--accent:#78a9f6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 0,#17345b 0,transparent 33%),linear-gradient(180deg,#09111f,#0d1728);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP","Noto Sans",sans-serif;min-height:100vh}a{color:inherit}.wrap{width:min(920px,calc(100% - 28px));margin:auto}.top{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{font-weight:900;letter-spacing:.08em}.langs{display:flex;gap:8px;font-size:12px}.langs a{color:var(--muted);text-decoration:none;border:1px solid var(--line);padding:7px 10px;border-radius:999px}.langs a.active{color:#fff;background:#203b63}.hero{padding:70px 0 45px}.kicker{font-size:12px;letter-spacing:.16em;color:#9bc3ff;font-weight:850}.hero h1{font-size:clamp(34px,7vw,62px);line-height:1.08;margin:14px 0 18px;max-width:820px}.hero p{color:#c0cbe0;line-height:1.8;font-size:17px;max-width:760px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:13px;padding:13px 18px;font-weight:800;border:1px solid var(--line)}.btn.primary{background:linear-gradient(135deg,#28558d,#3674bd);border-color:#6792cb}.btn.secondary{background:#121e33}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:28px 0}.fact{padding:16px;border:1px solid var(--line);background:rgba(17,28,49,.85);border-radius:14px}.fact b{display:block;font-size:22px}.fact span{display:block;margin-top:4px;color:var(--muted);font-size:12px}.section{padding:26px 0}.section h2{font-size:28px;margin:0 0 12px}.section>p{color:var(--muted);line-height:1.8;max-width:780px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.card{border:1px solid var(--line);border-radius:16px;padding:18px;background:rgba(17,28,49,.9)}.card h3{font-size:16px;margin:0 0 7px}.card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}.faq{display:grid;gap:8px;margin-top:18px}.faq details{border:1px solid var(--line);border-radius:13px;padding:13px 15px;background:#101a2d}.faq summary{cursor:pointer;font-weight:750}.faq p{color:var(--muted);line-height:1.65;font-size:13px;margin:9px 0 0}.cta{margin:34px 0 70px;padding:28px;border:1px solid #496991;border-radius:20px;background:linear-gradient(135deg,#172b49,#101a2d)}.cta h2{margin:0 0 8px}.cta p{color:var(--muted);line-height:1.7}.footer{border-top:1px solid var(--line);padding:24px 0 38px;color:var(--muted);font-size:12px}.footer a{color:#b9d4ff}.crumbs{font-size:11px;color:var(--muted);margin-bottom:18px}.crumbs a{text-decoration:none}.notice{font-size:12px;color:var(--muted);margin-top:13px}@media(max-width:700px){.top{align-items:flex-start;gap:14px}.langs{flex-wrap:wrap;justify-content:flex-end}.hero{padding-top:42px}.facts{grid-template-columns:1fr 1fr}.cards{grid-template-columns:1fr}.cta{padding:20px}.hero p{font-size:15px}}