:root{--ink:#17304a;--muted:#6f7f8f;--pink:#ea5d80;--bg:#fff8f7;--card:#fff;--line:rgba(23,48,74,.10)}
*{box-sizing:border-box}html,body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f9d8d5 0,#fff8f7 260px)}
main{width:min(720px,calc(100% - 32px));margin:0 auto;padding:34px 0 56px}.brand{font-size:12px;font-weight:800;letter-spacing:.12em;color:#a85a70}.back{display:inline-block;margin:10px 0 28px;color:var(--ink);text-decoration:none;font-size:13px}.card{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:24px;box-shadow:0 16px 42px rgba(23,48,74,.09);padding:26px 22px}h1{font-size:30px;line-height:1.35;margin:0 0 18px}h2{font-size:18px;margin:28px 0 8px}p,li{font-size:14px;line-height:1.9;color:#425b71}ul{padding-left:1.3em}a{color:#c84d6b}.small{font-size:12px;color:var(--muted);margin-top:28px}.nav{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:12px}.nav a{text-decoration:none}