/* ========================================
   お問い合わせページスタイル
======================================== */
.contact-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.contact-intro {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f5 100%);
    border-radius: 12px;
    border-left: 4px solid #3498db;
}

.contact-intro p {
    color: #5a6c7d;
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

/* フォームスタイル */
.contact-form {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

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

.required {
    color: #e74c3c;
    font-weight: 700;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-family: inherit;
    background: #ffffff;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.error-message::before {
    content: '⚠';
    font-size: 1rem;
}

/* ボタンスタイル */
.form-actions {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn-submit {
    display: inline-block;
    padding: 16px 48px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
    text-decoration: none;
    text-align: center;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #2980b9 0%, #21618c 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
    color: #ffffff;
}

.btn-back {
    display: inline-block;
    padding: 16px 48px;
    background: #ecf0f1;
    color: #2c3e50;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-back:hover {
    background: #bdc3c7;
    transform: translateY(-2px);
    color: #2c3e50;
}

/* 確認画面スタイル */
.confirm-form {
    background: #f8f9fa;
}

.confirm-item {
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #ecf0f1;
}

.confirm-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #7f8c8d;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.confirm-value {
    color: #2c3e50;
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 0;
    padding: 10px 0;
}

.message-value {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    border-left: 3px solid #3498db;
}

.confirm-actions {
    margin-top: 30px;
}

/* 完了画面スタイル */
.complete-section {
    text-align: center;
}

.complete-message {
    background: #ffffff;
    padding: 60px 40px;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    margin: 0 auto 30px;
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.complete-message h3 {
    color: #1a252f;
    font-size: 1.8rem;
    margin: 0 0 20px 0;
    text-align: center;
}

.email-sent-message {
    color: #27ae60;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 30px;
    padding: 12px 20px;
    background: rgba(39, 174, 96, 0.1);
    border-radius: 6px;
    display: inline-block;
}

.complete-details {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid #ecf0f1;
}

.complete-details p {
    color: #5a6c7d;
    font-size: 1rem;
    line-height: 1.8;
}

/* レスポンシブ対応 - タブレット */
@media screen and (max-width: 1024px) {
    .contact-section {
        padding: 30px 15px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .btn-submit,
    .btn-back {
        padding: 14px 36px;
        font-size: 1rem;
    }
}

/* レスポンシブ対応 - スマートフォン */
@media screen and (max-width: 768px) {
    .contact-section {
        padding: 20px 10px;
    }

    .contact-intro {
        padding: 15px;
        margin-bottom: 30px;
    }

    .contact-intro p {
        font-size: 0.95rem;
    }

    .contact-form {
        padding: 25px 15px;
    }

    .form-label {
        font-size: 0.95rem;
    }

    .form-input,
    .form-textarea {
        padding: 12px 14px;
        font-size: 16px;
        /* iOS zoom prevention */
    }

    .form-actions {
        flex-direction: column;
        gap: 10px;
    }

    .btn-submit,
    .btn-back {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
    }

    .confirm-item {
        padding: 15px;
    }

    .confirm-label {
        font-size: 0.85rem;
    }

    .confirm-value {
        font-size: 1rem;
    }

    .complete-message {
        padding: 40px 20px;
    }

    .success-icon {
        width: 70px;
        height: 70px;
        font-size: 2.5rem;
    }

    .complete-message h3 {
        font-size: 1.5rem;
    }

    .email-sent-message {
        font-size: 0.9rem;
        padding: 10px 15px;
    }
}

@media screen and (max-width: 480px) {
    .contact-form {
        padding: 20px 12px;
    }

    .form-label {
        font-size: 0.9rem;
    }

    .label-icon {
        font-size: 1rem;
    }

    .btn-submit,
    .btn-back {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .complete-message h3 {
        font-size: 1.3rem;
    }

    .complete-details p {
        font-size: 0.95rem;
    }
}