:root{--bg:#07090d;--bg-elevated:#0c0f14;--bg-panel:#0f1319;--border:rgba(235,242,255,0.07);--border-strong:rgba(235,242,255,0.13);--text:#eef1f6;--text-secondary:#a3adbf;--text-tertiary:#6f7a8e;--accent:#6ee7d8;--accent-dim:rgba(110,231,216,0.72);--danger:#f16a6a;--radius:10px;--max-w:1104px;--font-sans:var(--font-inter,"Inter"),-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","Hiragino Sans","Noto Sans JP",Arial,sans-serif;--font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:84px}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"cv05","ss01"}html[lang=ja] body{font-family:var(--font-inter,"Inter"),var(--font-cjk,"Noto Sans JP"),"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic Medium","Yu 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