:root{--ink:#182d32;--muted:#6e8187;--line:#dfe7e7;--teal:#126a61;--pale:#e9f4ef;--canvas:#f4f7f6;--white:#fff;--accent:#bfef65}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:14px/1.65 '맑은 고딕','Malgun Gothic',sans-serif}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:8px;transition:.15s}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:3px solid #8cbeb6;outline-offset:3px}input,select{width:100%;border:1px solid #cedad8;background:#fff;border-radius:7px;padding:10px 11px;color:var(--ink)}input:focus,select:focus{outline:2px solid #7cb8ab;outline-offset:1px}label{display:block;font-weight:600;font-size:12px}label input,label select{margin-top:7px;font-weight:400;font-size:13px}h1,h2,p{margin:0}h1{font-size:27px;letter-spacing:-1px;line-height:1.45}h2{font-size:17px;letter-spacing:-.5px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--teal);margin-bottom:8px}.muted{color:var(--muted)}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#fff;border-bottom:1px solid var(--line);gap:18px;position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center;min-width:216px}.brand strong{font-size:20px;letter-spacing:-1px}.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:1px}.mark{display:grid;place-items:center;width:50px;height:50px;border-radius:14px;background:var(--ink);color:var(--accent);font:bold 35px Georgia,serif}.mark.small{width:43px;height:43px;font-size:29px;border-radius:11px}nav{display:flex;gap:6px;height:100%;align-items:center}.nav{background:none;padding:12px 18px;font-weight:700;color:var(--muted)}.nav.active{background:var(--pale);color:var(--teal)}.nav span{background:#fff;border:1px solid var(--line);padding:1px 7px;border-radius:20px;margin-left:5px;font-size:11px}.account{display:flex;align-items:center;gap:12px;font-size:12px}.quiet{background:transparent;padding:5px;color:var(--muted);font-size:12px}.quiet:hover{color:var(--teal);background:var(--pale)}.layout{display:grid;grid-template-columns:228px minmax(430px,1fr) 286px;max-width:1800px;margin:auto;min-height:calc(100vh - 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