@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap";:root{--color-bg: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-card: #ffffff;--color-text: #1a1a2e;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-primary: #1e3a5f;--color-primary-dark: #0f2847;--color-primary-light: #e8eef7;--color-nav-bg: #0f2847;--color-nav-text: #ffffff;--color-accent: #3182ce;--cat-sns: #3182ce;--cat-content: #2c5282;--cat-branding: #1e3a5f;--cat-basics: #4a5f8f;--font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--container-max: 1200px;--sidebar-width: 320px;--gap: 2rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 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a[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);background:#ffffff14;color:#9ca3af;transition:all var(--transition-fast)}.footer-social[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{background:#ffffff26;color:#fff}.footer-nav[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{color:#fff;font-size:.875rem;font-weight:600;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em}.footer-nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0}.footer-nav[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:.4rem}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#9ca3af;font-size:.875rem;text-decoration:none;transition:color var(--transition-fast)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-bottom[data-astro-cid-sz7xmlte]{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);text-align:center}.footer-bottom[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{font-size:.8rem;color:#6b7280;margin:0}@media(max-width:768px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:2rem}}