/* フッターセクションのスタイル */
.footer-section {
    position: relative;
    background: transparent;
    margin-top: 100px;
    overflow: visible;
}

.footer-content {
    background: rgba(255, 255, 255, 0.85);
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 30px 30px 0 0; /* 上部のみ角丸 */
    backdrop-filter: blur(15px);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
    padding: 60px 80px 40px 80px;
    margin: 0 auto;
    max-width: 1400px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.footer-content.visible {
    opacity: 1;
    transform: translateY(0);
    animation: float 8s ease-in-out infinite;
}

/* フッター上部のメイン情報 */
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 50px;
    align-items: flex-start;
}

/* 会社情報セクション */
.footer-company {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.footer-company.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.footer-logo-img:hover {
    transform: scale(1.1) rotate(5deg);
}

.footer-company-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.footer-company-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.contact-icon {
    font-size: 1.2rem;
}

.contact-text {
    font-size: 0.95rem;
    color: #555;
}

/* フッターセクションタイトル */
.footer-section-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 20px 0;
    position: relative;
}

.footer-section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
    border-radius: 2px;
}

/* リンクリスト */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease-out;
}

.footer-links.visible li {
    opacity: 1;
    transform: translateX(0);
}

.footer-links a {
    color: #666;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.footer-links a::before {
    content: '▶';
    position: absolute;
    left: -15px;
    color: #4ecdc4;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #4ecdc4;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* サービスセクション */
.footer-services,
.footer-company-info {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.footer-services.visible,
.footer-company-info.visible {
    opacity: 1;
    transform: translateY(0);
}

/* お問い合わせセクション */
.footer-contact {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.footer-contact.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 20px;
    border: none;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.footer-btn-primary {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.8), rgba(68, 160, 141, 0.7));
    color: white;
    border: 2px solid rgba(78, 205, 196, 0.3);
}

.footer-btn-secondary {
    background: linear-gradient(135deg, rgba(255, 159, 67, 0.8), rgba(255, 140, 0, 0.7));
    color: white;
    border: 2px solid rgba(255, 159, 67, 0.3);
}

.footer-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.footer-btn .btn-icon {
    font-size: 1.1rem;
    margin-right: 8px;
}

.footer-btn .btn-text {
    font-size: 0.9rem;
}

.social-text {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
    margin: 0;
}

/* フッター下部 */
.footer-bottom {
    margin-top: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.footer-bottom.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(78, 205, 196, 0.3) 25%, 
        rgba(123, 185, 255, 0.3) 50%, 
        rgba(255, 159, 67, 0.3) 75%, 
        transparent 100%
    );
    margin-bottom: 30px;
    border-radius: 1px;
}

.footer-copyright {
    text-align: center;
}

.footer-copyright p {
    color: #666;
    margin: 8px 0;
    font-size: 0.9rem;
}

.footer-tagline {
    color: #4ecdc4;
    font-weight: 600;
    font-size: 0.95rem !important;
}

/* レスポンシブデザイン（フッター） */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-content {
        padding: 50px 60px 30px 60px;
    }
}

@media (max-width: 768px) {
    .footer-content {
        padding: 40px 30px 25px 30px;
        border-radius: 20px 20px 0 0;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-company {
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-company-name {
        font-size: 1.6rem;
    }
    
    .footer-company-desc {
        font-size: 0.95rem;
    }
    
    .footer-section-title {
        font-size: 1.2rem;
        text-align: center;
    }
    
    .footer-section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-links a:hover {
        transform: none;
    }
    
    .footer-contact-buttons {
        align-items: center;
    }
    
    .footer-btn {
        max-width: 200px;
        justify-content: center;
    }
    
    .contact-item {
        justify-content: center;
    }
    
    .footer-copyright p {
        font-size: 0.85rem;
    }
}