/*
Theme Name: AR活用ラボ
Theme URI: https://arlab.jp
Author: AR活用ラボ編集部
Description: AR・WebARのビジネス活用を解説するBtoBメディア専用テーマ
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Private
Text Domain: arlab
*/

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* Colors - Primary */
  --color-primary:       #1A6FD4;
  --color-primary-dark:  #1456A8;
  --color-primary-light: #4A90E2;

  /* Colors - Secondary */
  --color-secondary:      #0AADA8;
  --color-secondary-dark: #087F7B;

  /* Colors - Accent */
  --color-accent:       #FF6B35;
  --color-accent-hover: #E85520;

  /* Colors - Text */
  --color-text:         #1A1A1A;
  --color-text-sub:     #4A4A4A;
  --color-text-muted:   #767676;
  --color-link:         #1A6FD4;
  --color-link-hover:   #1456A8;

  /* Colors - Background */
  --color-bg:           #FFFFFF;
  --color-bg-light:     #F7F8FA;
  --color-bg-card:      #FFFFFF;
  --color-border:       #E2E6EA;
  --color-border-light: #F0F2F5;

  /* Colors - Status */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-error:   #DC3545;
  --color-info:    #17A2B8;

  /* Typography */
  --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Source Code Pro', 'Courier New', Courier, monospace;

  /* Font Sizes */
  --text-xs:   0.75rem;  /* 12px */
  --text-sm:   0.875rem; /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-md:   1.125rem; /* 18px */
  --text-lg:   1.25rem;  /* 20px */
  --text-xl:   1.5rem;   /* 24px */
  --text-2xl:  1.75rem;  /* 28px */
  --text-3xl:  2.25rem;  /* 36px */
  --text-4xl:  3rem;     /* 48px */

  /* Spacing (8px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* Layout */
  --container-max:    1200px;
  --container-wide:   1440px;
  --container-narrow: 800px;
  --article-width:    720px;
  --sidebar-width:    300px;
  --header-height:    64px;

  /* Shadows */
  --shadow-card:  0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-header: 0 2px 8px rgba(0, 0, 0, 0.08);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-base: 0.2s ease;
}