/*
Theme Name: CleverLab
Theme URI: https://cleverlab.lol
Author: t.maeshima
Author URI: https://cleverlab.lol
Description: Web制作フリーランスのポートフォリオサイト用WordPressテーマ
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cleverlab
Tags: portfolio, one-column, custom-logo, custom-menu, featured-images, translation-ready
*/

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
	/* Colors */
	--color-primary: #2563eb;
	--color-primary-dark: #1d4ed8;
	--color-primary-light: #3b82f6;
	--color-primary-rgb: 37, 99, 235;
	--color-secondary: #0f172a;
	--color-secondary-light: #1e293b;
	--color-accent: #f59e0b;
	--color-accent-dark: #d97706;
	--color-text: #1e293b;
	--color-text-light: #64748b;
	--color-text-inverse: #ffffff;
	--color-bg: #ffffff;
	--color-bg-alt: #f8fafc;
	--color-border: #e2e8f0;
	--color-success: #22c55e;
	--color-error: #ef4444;
	--color-heading: #0f172a;
	--color-bg-secondary: #f1f5f9;
	--gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);

	/* Typography */
	--font-family-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
		'Helvetica Neue', Arial, sans-serif;
	--font-weight-normal: 400;
	--font-weight-medium: 500;
	--font-weight-bold: 700;
	--font-size-xs: 0.75rem;
	--font-size-sm: 0.875rem;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.5rem;
	--font-size-3xl: 1.875rem;
	--font-size-4xl: 2.25rem;
	--font-size-5xl: 3rem;
	--line-height-tight: 1.25;
	--line-height-base: 1.75;
	--line-height-relaxed: 2;
	--letter-spacing-tight: -0.025em;
	--letter-spacing-normal: 0;
	--letter-spacing-wide: 0.05em;

	/* Spacing */
	--section-padding: clamp(3rem, 8vw, 6rem);
	--container-max: 1200px;
	--container-padding: clamp(1rem, 4vw, 2rem);
	--gap-xs: 0.25rem;
	--gap-sm: 0.5rem;
	--gap-md: 1rem;
	--gap-lg: 1.5rem;
	--gap-xl: 2rem;
	--gap-2xl: 3rem;
	--gap-3xl: 4rem;

	/* Border Radius */
	--radius-sm: 0.25rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--radius-xl: 1rem;
	--radius-full: 9999px;

	/* Shadows */
	--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
	--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -4px rgba(0, 0, 0, 0.04);
	--shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.1), 0 8px 16px -6px rgba(0, 0, 0, 0.05);
	--shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
	--shadow-card-hover: 0 14px 44px rgba(0, 0, 0, 0.1), 0 4px 14px rgba(0, 0, 0, 0.05);

	/* Transitions */
	--transition-fast: 150ms ease;
	--transition-base: 250ms ease;
	--transition-slow: 350ms ease;
	--transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

	/* Z-index */
	--z-header: 1000;
	--z-overlay: 1100;
	--z-modal: 1200;
	--z-back-to-top: 900;

	/* Header */
	--header-height: 72px;
}