:root{--ink:#12211f;--muted:#60716d;--line:#d8e5e1;--paper:#f5f8f7;--card:#fff;--teal:#087c70;--mint:#def5ee}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans KR",system-ui,sans-serif;line-height:1.7}.wrap{max-width:850px;margin:auto;padding:0 24px}header{border-bottom:1px solid var(--line);background:#fff}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-weight:800;color:var(--ink);text-decoration:none}.nav a:not(.brand),footer a{color:var(--teal);font-size:14px;text-decoration:none;margin-left:14px}main{padding:48px 0 64px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 10px 30px #14363009}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.12;letter-spacing:-.04em;margin:0 0 16px}h2{font-size:1.3rem;line-height:1.3;margin:35px 0 10px}p,li{font-size:16px}a{color:var(--teal)}.lead{font-size:18px;color:var(--muted)}.note{padding:14px 16px;border-left:4px solid var(--teal);background:var(--mint);border-radius:8px}.steps{padding-left:23px}.steps li{margin:10px 0}footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:13px}@media(max-width:620px){.wrap{padding:0 16px}.nav{align-items:flex-start;flex-direction:column;padding:16px 0}.nav a:not(.brand),footer a{margin:0 10px 0 0}.card{padding:23px}main{padding:28px 0 44px}}