/* RegiStep カラーパレット定義 */
:root {
    /* === Primary Colors === */
    --color-white: #ffffff;
    --color-primary: #20aee5;
    --color-accent: #20aee5;
    --color-dark: #20282b;

    /* === Text Colors === */
    --color-text-primary: #222;
    --color-text-secondary: #999;
    --color-text-muted: #6b7280;

    /* === Accent Variations === */
    --color-accent-light: rgba(32, 174, 229, 0.1);
    --color-accent-light-20: rgba(32, 174, 229, 0.2);
    --color-accent-hover: #1a9cd4;
    --color-accent-focus: rgba(32, 174, 229, 0.3);

    /* === Background Colors === */
    --color-bg-light: #f7f9fb;
    --color-bg-card: #ffffff;
    --color-bg-input: #fafafa;
    --color-bg-hover: #f3f4f6;

    /* === Border Colors === */
    --color-border-light: #e5e7eb;
    --color-border-medium: #d1d5db;
    --color-border-dark: #9ca3af;

    /* === Status Colors === */
    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-text: #065f46;
    --color-error: #ef4444;
    --color-error-bg: #fee2e2;
    --color-error-text: #991b1b;
    --color-warning: #f59e0b;
    --color-warning-bg: #fef3c7;
    --color-warning-text: #92400e;
    --color-info: #3b82f6;
    --color-info-bg: #dbeafe;
    --color-info-text: #1e40af;

    /* === Shadows === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* === Border Radius === */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* === Spacing === */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}