/**
 * Global design tokens.
 */

:root {
	/* Colors */
	--tf-color-background: #ffffff;
	--tf-color-surface: #f6f6f6;
	--tf-color-text: #1a1a1a;
	--tf-color-text-muted: #666666;
	--tf-color-border: #dedede;
	--tf-color-accent: #1a1a1a;
	--tf-color-accent-contrast: #ffffff;

	/* Content widths */
	--tf-width-content: 1180px;
	--tf-width-reading: 760px;

	/* Spacing */
	--tf-space-1: 0.25rem;
	--tf-space-2: 0.5rem;
	--tf-space-3: 0.75rem;
	--tf-space-4: 1rem;
	--tf-space-5: 1.5rem;
	--tf-space-6: 2rem;
	--tf-space-7: 3rem;
	--tf-space-8: 4rem;
	--tf-space-9: 6rem;

	/* Border radius */
	--tf-radius-small: 4px;
	--tf-radius-medium: 8px;
	--tf-radius-large: 16px;

	/* Typography */
	--tf-font-sans:
		Inter,
		"Noto Sans JP",
		"Helvetica Neue",
		Arial,
		sans-serif;

	/* Animation */
	--tf-transition-fast: 160ms ease;
	--tf-transition-normal: 280ms ease;
}