:root{color-scheme:dark;font-family:Noto Sans KR,DM Sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0c0f14}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#0c0f14}button,input{font:inherit}