:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;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;display:flex;place-items:center;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}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary: #202124;--secondary: #5f6368;--accent: #1a73e8;--bg-gray: #f8f9fa;--border: #dadce0;--max-width: 1200px;--gutter: 24px;--w-bg: #070a18;--w-card: rgba(255, 255, 255, .06);--w-card2: rgba(255, 255, 255, .1);--w-border: rgba(255, 255, 255, .16);--w-text: rgba(255, 255, 255, .92);--w-muted: rgba(255, 255, 255, .78);--w-muted2: rgba(255, 255, 255, .66);--w-radius: 18px;--w-shadow: 0 18px 40px rgba(0, 0, 0, .45);--w-blur: 12px}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans JP,sans-serif;color:#202124;background:#fff;line-height:1.8;-webkit-font-smoothing:antialiased}html,body{background:radial-gradient(1200px 600px at 15% 10%,#b4d7ff8c,#fff0 60%),radial-gradient(1000px 520px at 85% 0%,#bee6ff73,#fff0 58%),linear-gradient(180deg,#f7fbff,#fff 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