/* イントロ */
.contact-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
}

/* デスクトップ・モバイル用テキスト切り替え */
.mobile-text {
    display: none;
}

.desktop-text {
    display: inline;
}

/* LINEセクション（小さめ） */
.line-section {
    background: #f8fcf8;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
    box-shadow: 0 5px 20px rgba(0, 200, 0, 0.08);
}

.line-content {
    max-width: 1000px;
    margin: 0 auto;
}

.line-header {
    text-align: center;
    margin-bottom: 30px;
}

.line-header i {
    font-size: 48px;
    color: #00B900;
    margin-bottom: 15px;
}

.line-header h3 {
    font-size: 28px;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.line-header p {
    font-size: 16px;
    color: var(--gray);
}

.line-add-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 30px;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.line-qr {
    text-align: center;
}

.line-qr img {
    width: 120px;
    height: 120px;
    border: 3px solid #00B900;
    border-radius: 15px;
    margin-bottom: 10px;
}

.line-qr p {
    font-size: 14px;
    color: var(--gray);
}

.line-info {
    text-align: center;
    padding: 20px;
    background: rgba(0, 185, 0, 0.05);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 126px;
}

.btn-line-main {
    display: inline-block;
    background: #00B900;
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    box-shadow: none;
    transition: all 0.3s ease;
    border: none;
}

.btn-line-main:hover {
    background: #00A800;
    color: white;
}

.line-id-display {
    display: inline-block;
    background: var(--white);
    border: 2px solid #00B900;
    border-radius: 10px;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: 500;
    color: #00B900;
    margin-bottom: 10px;
}

.line-info p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
}

.line-info .btn-primary {
    background: #00B900;
    padding: 12px 30px;
}

.line-info .btn-primary:hover {
    background: #00A800;
}

.line-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: rgba(0, 185, 0, 0.05);
    border-radius: 3px;
    justify-content: center;
    height: 126px;
    text-align: left;
}

.line-features p {
    font-size: 14px;
    color: var(--gray);
    margin: 0;
}

.line-features i {
    color: #00B900;
    margin-right: 8px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    /* テキスト切り替え */
    .desktop-text {
        display: none;
    }
    
    .mobile-text {
        display: inline;
    }
    
    .line-add-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .line-section {
        padding: 30px 20px;
    }
    
    /* スマホ時はQRコードを非表示 */
    .line-qr {
        display: none;
    }
    
    /* スマホ時はボタン部分のみ中央寄せ */
    .line-info {
        text-align: center;
    }
    
    /* スマホ時は機能説明を左寄せ */
    .line-features {
        text-align: left;
    }
}

/* お問い合わせフォームセクション */
.contact-form-section {
    background: var(--white);
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    margin-bottom: 60px;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header i {
    font-size: 48px;
    color: var(--primary-purple);
    margin-bottom: 15px;
}

.form-header h2 {
    font-size: 32px;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.form-header p {
    font-size: 16px;
    color: var(--gray);
}

/* お問い合わせフォーム */
.contact-form {
    text-align: left;
}

/* フォームの2カラムレイアウト */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 15px;
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-weight: 500;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--primary-purple);
    text-decoration: underline;
}

.form-note {
    background: #f8f9fa;
    border-left: 4px solid var(--primary-purple);
    padding: 15px 20px;
    margin-top: 30px;
    font-size: 14px;
    color: var(--gray);
}

.form-note i {
    color: var(--primary-purple);
    margin-right: 8px;
}

/* FAQ プレビュー */
.faq-preview {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-preview h2 {
    font-size: 32px;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.faq-preview > p {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 40px;
}

.faq-topics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.topic-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.topic-card i {
    font-size: 40px;
    color: var(--primary-purple);
    margin-bottom: 20px;
}

.topic-card h4 {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.topic-card p {
    font-size: 14px;
    color: var(--gray);
}

/* 営業時間情報 */
.business-info {
    background: var(--white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.business-info h3 {
    font-size: 24px;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.business-info h3 i {
    color: var(--primary-purple);
    margin-right: 10px;
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.info-item h4 {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.info-item p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
}

/* 文字数カウンター */
.char-counter {
    text-align: right;
    font-size: 12px;
    color: var(--gray);
    margin-top: 5px;
}

/* フォームメッセージ */
.form-message {
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    font-size: 15px;
    text-align: center;
}

.form-message.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-message.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.form-message i {
    margin-right: 8px;
}

/* 送信ボタンのローディング状態 */
.btn-primary:disabled {
    background: var(--gray);
    cursor: not-allowed;
    transform: none;
}

.btn-primary:disabled:hover {
    background: var(--gray);
    transform: none;
}

/* 入力エラー状態 - フォーカス時のみエラー表示 */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group input.success,
.form-group select.success,
.form-group textarea.success {
    border-color: #27ae60;
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .line-add-row {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .line-features {
        align-items: flex-start;
    }
    
    .contact-form-section {
        padding: 40px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .faq-topics {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .business-info {
        padding: 30px 20px;
    }
    
    .info-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

/* 送信ボタン */
.submit-btn-wrap {
    text-align: center;
    margin-top: 30px;
}