@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@400;500;700&family=JetBrains+Mono:wght@400;600&family=Noto+Sans+JP:wght@400;500;700&display=swap";:root{--bg: #0f1117;--surface: #171a22;--surface-soft: #141821;--surface-strong: #1b2029;--text: #e6e8ee;--text-soft: #9aa3b2;--accent: #7dd3e8;--accent-soft: rgba(125, 211, 232, .14);--accent-warm: #c7b27a;--line: rgba(230, 232, 238, .08);--line-strong: rgba(125, 211, 232, .18);--shadow: 0 16px 42px rgba(0, 0, 0, .26);--radius-lg: 20px;--radius-md: 14px;--radius-sm: 999px;--space-1: .5rem;--space-2: .875rem;--space-3: 1.25rem;--space-4: 1.75rem;--space-5: 2.75rem;--space-6: 4.5rem;--content-width: 46rem;--page-width: 72rem;--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;--body: "Noto Sans JP", "IBM Plex Sans JP", sans-serif;--heading: "IBM Plex Sans JP", "Noto Sans JP", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at top,rgba(125,211,232,.06),transparent 32%),linear-gradient(180deg,#0c0f14 0%,var(--bg) 35%,#10141b 100%);font-family:var(--body);line-height:1.9}body:before{position:fixed;inset:0;content:"";pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 20%),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px);background-size:100% 100%,36px 36px,36px 36px;mask-image:linear-gradient(180deg,rgba(0,0,0,.38),transparent 88%)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.page{width:min(calc(100% - 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