*{box-sizing:border-box}body{margin:0;background:#f7f8f4;color:#263733;font:17px/1.75 system-ui,sans-serif}header,main,footer{max-width:880px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:1px solid #dbe1d8}a{color:var(--accent);overflow-wrap:anywhere}nav{display:flex;gap:18px;flex-wrap:wrap}main{padding-top:42px;padding-bottom:60px}h1{font-size:clamp(32px,6vw,48px);line-height:1.15;color:var(--accent);margin-top:0}h2{font-size:24px;line-height:1.35;margin-top:36px}h3{font-size:19px}p,ul{margin:14px 0}.meta{color:#617069;font-size:14px}.notice{padding:20px;border:1px solid #cbd9cf;border-radius:16px;background:#eef4ee}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.card{background:white;padding:24px;border:1px solid #dde3db;border-radius:18px;text-decoration:none}.card strong{display:block;font-size:21px}footer{border-top:1px solid #dbe1d8;font-size:14px}.button{display:inline-block;color:white;background:var(--accent);border-radius:12px;padding:12px 20px;text-decoration:none}code{font-size:.9em}li{margin:8px 0}@media(max-width:500px){header,main,footer{padding-left:20px;padding-right:20px}nav{gap:12px;font-size:15px}}