/* ===================================
   Contact Page Specific Styles
   =================================== */

/* Page Header */
.page-header {
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/tokyo-aerial.jpg') center/cover no-repeat;
    z-index: -1;
}

/* 画像の上にグラデーションオーバーレイ */
.page-header-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.75) 0%, rgba(124, 58, 237, 0.65) 50%, rgba(236, 72, 153, 0.7) 100%);
    z-index: 1;
}

/* テキストの可読性を高める追加レイヤー */
.page-header-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 23, 42, 0.3) 100%);
    z-index: 2;
}

.page-header-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}

.page-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-family: var(--font-primary);
}

.page-title {
    font-size: clamp(42px, 6vw, 64px);
    font-weight: 900;
    margin-bottom: 20px;
    color: #ffffff;
    letter-spacing: -1px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Contact Form Section */
.contact-form-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.form-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.form-intro {
    text-align: center;
    margin-bottom: 60px;
}

.form-intro h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.form-intro p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Contact Form */
.contact-form {
    padding: 60px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.required {
    color: #ef4444;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    font-family: var(--font-japanese);
    color: var(--text-primary);
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-privacy {
    margin-bottom: 40px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-actions {
    text-align: center;
}

.form-message {
    margin-top: 30px;
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 15px;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}



/* Active Navigation Link */
.nav-link.active {
    color: #ffffff;
    font-weight: 700;
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ffffff;
}

/* スクロール後は青に変更 */
.navbar.scrolled .nav-link.active {
    color: var(--primary-color);
}

.navbar.scrolled .nav-link.active::after {
    background: var(--gradient-blue);
}

/* Responsive Design */
@media (max-width: 968px) {
    .page-header {
        padding: 140px 0 80px;
    }
    
    .contact-form {
        padding: 40px 32px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 640px) {
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .contact-form-section {
        padding: 60px 0;
    }
    
    .form-intro {
        margin-bottom: 40px;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 16px;
        font-size: 14px;
    }
}