/**
 * Contact Page Styles
 * くるま買取ケイヴィレッジ
 */

/* ====================================
   Contact Section
   ==================================== */
.contact-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.contact-intro {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 40px;
    text-align: center;
}

.contact-intro p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.contact-phone {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: #ffffff;
    padding: 32px;
    border-radius: var(--border-radius-md);
    margin-top: 32px;
}

.contact-phone__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 12px;
    transition: opacity 0.3s;
}

.contact-phone__link:visited {
    color: #ffffff;
}

.contact-phone__link:hover {
    opacity: 0.9;
}

.contact-phone__link i {
    font-size: 28px;
}

.contact-phone__number {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: var(--font-weight-black);
    letter-spacing: 0.05em;
    color: #ffffff;
}

.contact-phone__note {
    font-size: 14px;
    color: #ffffff;
    opacity: 0.9;
    margin: 0;
}

/* ====================================
   Alert
   ==================================== */
.alert {
    display: flex;
    gap: 20px;
    padding: 24px;
    border-radius: var(--border-radius-md);
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.alert i {
    font-size: 32px;
    flex-shrink: 0;
    margin-top: 4px;
}

.alert--success {
    background: #f0fdf4;
    border: 2px solid #22c55e;
    color: #166534;
}

.alert--success i {
    color: #22c55e;
}

.alert--error {
    background: #fef2f2;
    border: 2px solid #ef4444;
    color: #991b1b;
}

.alert--error i {
    color: #ef4444;
}

.alert__title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
}

.alert__message {
    font-size: 16px;
    line-height: 1.8;
    margin: 0;
}

/* ====================================
   Contact Form
   ==================================== */
.contact-form {
    background: var(--white);
    padding: 48px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.form__group {
    margin-bottom: 28px;
}

.form__label {
    display: block;
    font-weight: var(--font-weight-bold);
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--text-dark);
}

.form__label i {
    margin-right: 8px;
    color: var(--primary-color);
    width: 18px;
    text-align: center;
}

.form__required {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 8px;
}

.form__optional {
    display: inline-block;
    background: var(--text-secondary);
    color: var(--white);
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 8px;
}

.form__section-note {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s;
    background: var(--white);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__input.is-invalid,
.form__select.is-invalid,
.form__textarea.is-invalid {
    border-color: #ef4444;
}

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

.form__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 16px center;
    padding-right: 40px;
}

.form__error {
    display: block;
    color: #ef4444;
    font-size: 14px;
    margin-top: 6px;
    font-weight: var(--font-weight-medium);
}

.form__divider {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 40px 0;
}

.form__section-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.form__section-title i {
    margin-right: 10px;
    color: var(--primary-color);
}

.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
}

.form__checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    min-width: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
    flex-shrink: 0;
    /* ブラウザのデフォルトスタイルを維持 */
    appearance: auto;
    -webkit-appearance: checkbox;
    -moz-appearance: checkbox;
}

.form__checkbox label {
    cursor: pointer;
    flex: 1;
    line-height: 1.6;
}

.form__checkbox a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form__checkbox a:hover {
    text-decoration: none;
}

.form__submit {
    margin-top: 40px;
    text-align: center;
}

.btn--large {
    padding: 18px 48px;
    font-size: 18px;
}

/* ====================================
   Responsive
   ==================================== */
@media (max-width: 768px) {
    .contact-section {
        padding: 60px 0;
    }

    .contact-intro {
        padding: 24px;
    }

    .contact-phone {
        padding: 24px;
    }

    .contact-phone__link {
        flex-direction: column;
        gap: 12px;
    }

    .contact-form {
        padding: 32px 20px;
    }

    .alert {
        flex-direction: column;
        gap: 12px;
    }

    .alert i {
        font-size: 28px;
    }

    .btn--large {
        width: 100%;
        padding: 16px 32px;
    }
}