:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a2e;--bg-card-hover: #22223a;--bg-input: #16162a;--bg-glass: rgba(26, 26, 46, .8);--text-primary: #e8e8ef;--text-secondary: #9898b0;--text-muted: #6868a0;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--accent-primary: #667eea;--accent-secondary: #764ba2;--border-color: rgba(102, 126, 234, .15);--border-hover: rgba(102, 126, 234, .35);--rakuten-color: #bf0000;--rakuten-bg: rgba(191, 0, 0, .15);--yahoo-color: #ff0032;--yahoo-bg: rgba(255, 0, 50, .15);--amazon-color: #ff9900;--amazon-bg: rgba(255, 153, 0, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Noto Sans 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