:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#5f6b7a;--line:#dfe5ee;--primary:#2563eb;--danger:#b42318;--max:920px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif;line-height:1.7}a{color:var(--primary)}header{background:#fff;border-bottom:1px solid var(--line)}nav{max-width:var(--max);margin:auto;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px}nav strong{font-size:20px}nav div{display:flex;gap:14px;flex-wrap:wrap}nav a{text-decoration:none;font-weight:700}main{max-width:var(--max);margin:32px auto;padding:0 20px 48px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:clamp(22px,5vw,48px);box-shadow:0 12px 32px rgba(23,32,51,.06)}h1{margin:0 0 8px;font-size:clamp(30px,5vw,44px);line-height:1.2}h2{margin:38px 0 12px;font-size:24px;border-bottom:1px solid var(--line);padding-bottom:8px}h3{margin:24px 0 8px;font-size:19px}p,li{color:#344054}.meta,.note{color:var(--muted)}table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}th,td{padding:11px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8fafc}footer{max-width:var(--max);margin:auto;padding:0 22px 36px;color:var(--muted);font-size:13px}.form{max-width:560px}.field{margin:18px 0}.field label{display:block;font-weight:800;margin-bottom:6px}.field input[type=email],.field input[type=password]{width:100%;min-height:48px;padding:10px 13px;border:1px solid #b8c1cf;border-radius:10px;font:inherit}.check{display:flex;gap:10px;align-items:flex-start;margin:22px 0}.check input{margin-top:7px}.button{border:0;border-radius:12px;min-height:48px;padding:0 18px;font:inherit;font-weight:800;cursor:pointer;background:var(--primary);color:#fff}.button.danger{background:var(--danger)}.button.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary)}.button:disabled{opacity:.5;cursor:not-allowed}.actions{display:flex;gap:10px;flex-wrap:wrap}.status{display:none;margin-top:18px;padding:14px;border-radius:10px;background:#eff6ff;color:#1d4ed8}.status.error{display:block;background:#fef3f2;color:var(--danger)}.status.success{display:block;background:#ecfdf3;color:#067647}.warning{border-left:4px solid var(--danger);background:#fff4f2;padding:14px 16px;margin:18px 0}.hide{display:none!important}@media(max-width:640px){nav{align-items:flex-start;flex-direction:column}table{display:block;overflow-x:auto}.card{border-radius:14px;padding:22px}}