*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;color:#1a1a1a;background:#fafaf7;line-height:1.55}
header{background:#111;color:#fff;padding:14px 20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
header a{color:#fff;text-decoration:none;margin-right:14px}.logo{font-weight:800;font-size:1.3em}.logo span{color:#ff5a1f}
main{max-width:900px;margin:0 auto;padding:24px 20px}h1{font-size:2em;line-height:1.2}.btn{display:inline-block;background:#ff5a1f;color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;border:0;font-size:1em;cursor:pointer}
.card{background:#fff;border:1px solid #e4e4e0;border-radius:12px;padding:16px;margin:12px 0}.tag{font-size:.75em;background:#eee;border-radius:99px;padding:2px 8px;margin-right:6px}
.sample{background:#fff4d6;border:1px solid #f0d58a;padding:10px;border-radius:8px;font-size:.9em}input,select,textarea{width:100%;padding:10px;margin:4px 0 12px;border:1px solid #ccc;border-radius:8px;font:inherit}
table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid #e4e4e0;text-align:left}footer{text-align:center;color:#777;font-size:.85em;padding:30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}