:root{color-scheme:light}body{margin:0;background:#fafafa;font-family:Inter,Pretendard,sans-serif;color:#111827}main{max-width:960px;margin:0 auto;padding:2rem 1rem}.card{background:#fff;border-radius:12px;padding:1rem;box-shadow:0 1px 4px rgba(0,0,0,.08)}button{background:#2563eb;color:#fff;border:none;border-radius:8px;padding:.7rem 1rem;cursor:pointer}button+button{margin-left:.5rem}input,select{width:100%;padding:.8rem;border-radius:8px;border:1px solid #d1d5db;box-sizing:border-box}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}