:root{--font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";--font-sans: "Pretendard Variable", var(--font-system);--line-height-body: 1.6}:root:lang(en),:root:lang(de){--line-height-body: 1.5}:root:lang(ja){--font-sans: "Pretendard JP Variable", "Pretendard Variable", var(--font-system);--line-height-body: 1.7}:root:lang(zh-CN){--font-sans: "Noto Sans SC", var(--font-system);--line-height-body: 1.7}:root{font-family:var(--font-sans);line-height:var(--line-height-body);font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}