:root{--ink:#111;--mute:#6b7280;--line:#e5e7eb;--red:#c33d2e;--bg:#f6f6f4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"Malgun Gothic","맑은 고딕",system-ui,sans-serif;line-height:1.5}.wrap{max-width:560px;margin:0 auto;padding:18px 16px 60px}.top{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid var(--ink);padding-bottom:8px}.top b{letter-spacing:4px;font-size:14px}.top span{font-size:12px;letter-spacing:1px;color:var(--mute)}.hero{padding:34px 0 22px;border-bottom:1px solid var(--ink)}.hero h1{font-size:46px;letter-spacing:-1.5px;line-height:1.05;margin:8px 0 0;font-weight:800}.hero h1 small{display:block;font-size:16px;font-weight:500;letter-spacing:0;color:var(--mute);margin-top:10px}.tagline{font-size:13px;letter-spacing:.4px;margin-top:16px}.tagline b{color:var(--red)}h2.sec{font-size:11px;letter-spacing:3px;color:var(--mute);margin:22px 0 0;border-bottom:1px solid var(--ink);padding-bottom:6px}.sec span{letter-spacing:0;color:var(--ink);font-size:13px;margin-left:6px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:14px;box-shadow:0 1px 0 #00000008}.card h3{font-size:18px;margin:0;letter-spacing:-.3px}.sub{color:var(--mute);font-size:13px;margin:4px 0 12px}button,input,textarea{font:inherit}button{cursor:pointer}.enter-input{width:100%;font-size:24px;letter-spacing:8px;text-align:center;padding:12px;border:1.5px solid var(--ink);border-radius:10px;background:white}.button{display:block;text-align:center;width:100%;margin-top:10px;padding:13px;font-size:16px;font-weight:700;border:0;border-radius:10px;background:var(--ink);color:white;text-decoration:none}.button.red{background:var(--red)}.button.ghost{background:white;border:1px solid var(--ink);color:var(--ink)}button:disabled{opacity:.5;cursor:wait}input:focus-visible,button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid 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