:root{color-scheme:light dark}*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,sans-serif;color:#153e46;background:#f3f6f5}header,footer{max-width:1120px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:24px}nav{display:flex;flex-wrap:wrap;gap:20px}a{color:#007e88;text-underline-offset:4px}.crBrand{font-size:36px;font-weight:700;text-decoration:none;letter-spacing:-2px}main{max-width:1072px;margin:12px auto 40px;padding:40px 48px;border:1px solid #d8e5e3;border-radius:20px;background:#fff}h1{font-size:clamp(26px,4vw,38px);line-height:1.2;margin:0 0 24px}h2{font-size:21px;line-height:1.3;margin:30px 0 10px}p{overflow-wrap:anywhere}.crPeriod{font-weight:600}.crNotice{background:#ecf7f5;border-radius:10px;padding:12px 16px}@media(max-width:640px){header,footer{padding:18px;flex-wrap:wrap}nav{gap:12px}main{margin:8px 12px 24px;padding:26px 20px}}@media(prefers-color-scheme:dark){body{background:#10262b;color:#e9f3f2}main{background:#17363c;border-color:#32545b}a{color:#72dce0}.crNotice{background:#22484f}}