:root{--paper:#f7f6f2;--ink:#172e2b;--muted:#536762;--accent:#176b56;--soft:#e6eee6;--line:#d4ddd5;--white:#fff;--wrong:#8c3030;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Pretendard,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;line-height:1.65}a{color:var(--accent);text-underline-offset:4px}button,input,select{font:inherit}button,.button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 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