body {
            font-family: 'Noto Sans JP', sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #3b82f6 0%, #2dd4bf 100%);
        }
        
        .feature-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-top: 5px solid transparent;
        }
        
        .feature-card:nth-child(1) {
            border-top-color: #3b82f6;
        }
        
        .feature-card:nth-child(2) {
            border-top-color: #8b5cf6;
        }
        
        .feature-card:nth-child(3) {
            border-top-color: #ec4899;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .feature-number {
            font-size: 4rem;
            font-weight: 800;
            color: #e2e8f0;
            position: absolute;
            top: -25px;
            left: -10px;
            z-index: 0;
            opacity: 0.8;
        }

        .container {
            max-width: 1200px;
        }

        .ai-icon {
            background-color: rgba(59, 130, 246, 0.1);
            color: #3b82f6;
        }
        
        .benefit-card {
            border-left: 4px solid #3b82f6;
            transition: transform 0.3s ease;
        }
        
        .benefit-card:hover {
            transform: translateY(-3px);
        }
        
        .pulse-animation {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
            }
        }
        
        .feature-icon-1 {
            background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
        }
        
        .feature-icon-2 {
            background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
        }
        
        .feature-icon-3 {
            background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
        }
        
        .section-divider {
            height: 6px;
            width: 80px;
            margin: 0 auto;
            border-radius: 3px;
        }
        
        .feature-badge {
            position: absolute;
            top: -10px;
            right: 20px;
            padding: 5px 10px;
            font-size: 0.7rem;
            font-weight: bold;
            text-transform: uppercase;
            border-radius: 20px;
            color: white;
        }