/* フッター共通スタイル */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    padding: 50px 20px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: #3498db;
    font-size: 18px;
    margin-bottom: 15px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
}

.footer-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.footer-stat-item {
    background: rgba(52, 152, 219, 0.1);
    padding: 8px 12px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-stat-icon {
    font-size: 18px;
}

.footer-stat-number {
    font-size: 14px;
    font-weight: bold;
    color: #3498db;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: #3498db;
    padding-left: 5px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    color: #bdc3c7;
}

.footer-update {
    margin-top: 15px;
    padding: 10px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 5px;
    border-left: 3px solid #3498db;
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    margin: 0;
    color: #95a5a6;
    font-size: 14px;
}

.footer-tech {
    font-size: 14px;
    color: #7f8c8d;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-stats {
        justify-content: center;
    }
}