:root{--c-text: #161616;--c-black: #000000;--c-x-brand: #242422;--c-youtube-brand: #ff0000;--social-bg: var(--c-x-brand);--social-fg: var(--c-text-inverse);--c-text-muted: #595959;--c-text-inverse: #ffffff;--c-surface: #ffffff;--c-border-strong: #d9d9d9;--c-border: #eaeaea;--c-border-drawer: #d1d1d1;--c-border-inverse: #555555;--c-border-thumb-inverse: #333333;--c-bg-dark: #161616;--c-text-inverse-muted: #d9d9d9;--c-youtube: #ea3424;--c-gray-5: #f7f7f7;--c-gray-10: #f2f2f2;--c-bg-page: #f6f6f6;--c-accent: #0f766e;--c-bg-soft: #f5f7fa;--c-marker: #fefc84;--c-cta-hover: #284ead;--c-cta-hover-blogui: #b5b814;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--font-base: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, 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