/* お問い合わせフォームのスタイル */
.contact-form-wrapper {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    font-size: 15px;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: #fff;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

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

.form-submit {
    text-align: center;
    margin-top: 32px;
}

.btn-submit {
    background-color: #3498db;
    color: #fff;
    padding: 14px 48px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-submit:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-message {
    margin-top: 24px;
    padding: 20px;
    border-radius: 4px;
    font-size: 15px;
    line-height: 1.6;
}

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

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

.form-message p {
    margin: 0;
}

.form-message p + p {
    margin-top: 8px;
}

.form-message strong {
    font-weight: 700;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .contact-form {
        padding: 24px 20px;
    }
    
    .contact-form-wrapper {
        margin: 20px auto;
    }
    
    .btn-submit {
        width: 100%;
        padding: 14px 24px;
    }
}