:root{--bg:#eef3f7;--paper:#fdfeff;--ink:#1d2a33;--sub:#6b7f8d;--red:#1e6091;--gold:#e0a417;--line:#d8e2ea}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:var(--bg);color:var(--ink);line-height:1.9;background-image:radial-gradient(rgba(30,96,145,.04) 1.2px,transparent 1.2px);background-size:22px 22px}
.wrap{max-width:640px;margin:0 auto;padding:0 18px 60px}
header{display:flex;align-items:center;gap:10px;padding:18px 0 6px}
header img{width:34px;height:34px}
header a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
header b{font-size:18px}
h1{font-size:24px;margin:22px 0 6px;letter-spacing:.03em}
h2{font-size:17px;margin:28px 0 8px;padding-left:10px;border-left:4px solid var(--red)}
p,li{font-size:14.5px;color:#4a3f33}
ul,ol{padding-left:22px;margin:8px 0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0;box-shadow:0 4px 14px rgba(20,50,80,.06)}
.card h3{font-size:15px;margin-bottom:4px}
.card p{font-size:13.5px}
.btn{display:inline-block;background:var(--red);color:#fff;font-weight:700;text-decoration:none;border-radius:999px;padding:10px 22px;font-size:14px;margin-top:10px}
.tag{display:inline-block;font-size:11px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--sub);margin-right:6px}
footer{margin-top:44px;text-align:center;font-size:11.5px;color:var(--sub);line-height:2.2}
footer a{color:var(--sub)}
.muted{color:var(--sub);font-size:12.5px}