:root{--navy:#071b33;--blue:#1768e5;--ink:#172033;--muted:#5c667a;--line:#dce3ee;--bg:#f4f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--blue)}header{background:var(--navy);color:#fff}.bar{max-width:920px;margin:auto;padding:18px 24px;display:flex;gap:20px;align-items:center;justify-content:space-between}.brand,.bar nav a{color:#fff;text-decoration:none}.brand{font-weight:800}.bar nav{display:flex;gap:16px;flex-wrap:wrap}.bar nav a{color:#dce9ff;font-size:14px}main{max-width:920px;margin:34px auto;padding:0 20px 50px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(24px,5vw,52px);box-shadow:0 18px 50px rgba(12,31,61,.08)}h1{font-size:clamp(34px,6vw,54px);line-height:1.08;margin:0 0 10px;color:var(--navy)}h2{margin:34px 0 8px;color:var(--navy);font-size:24px}p,li{max-width:76ch}.updated{color:var(--muted)}.notice{border-left:4px solid var(--blue);background:#eef5ff;padding:14px 18px;border-radius:8px}.operator{margin-top:40px;border-top:1px solid var(--line);padding-top:20px}.operator strong{color:#a44100}footer{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:14px}@media(max-width:650px){.bar{align-items:flex-start;flex-direction:column}.card{border-radius:12px}}