:root{--color-primary: #007ba7;--color-primary-dark: #005f82;--color-primary-light: #4da3c2;--color-primary-bg: #e6f3f7;--color-text: #1a1a1a;--color-text-secondary: #4a4a4a;--color-text-muted: #6a6a6a;--color-bg: #ffffff;--color-bg-alt: #f8f9fa;--color-border: #e0e0e0;--color-accent: #ff6b35;--color-success: #28a745;--color-error: #dc3545;--color-warning: #ffc107;--font-family-base: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-heading: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-base: 1rem;--font-size-sm: .875rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-size-5xl: 3rem;--line-height-tight: 1.25;--line-height-base: 1.6;--line-height-relaxed: 1.8;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 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