/* ========================================
   3UPラボ - FAQ Section (よくあるご質問)
   ======================================== */

.section--faq {
    background-color: var(--color-primary);
    padding: var(--spacing-2xl) 0;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background-color: var(--color-white);
    overflow: hidden;
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: bold;
    text-align: left;
    background-color: var(--color-white);
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-item__question span {
    color: var(--color-primary);
}

.faq-item__question:hover {
    background-color: var(--color-gray-light);
}

.faq-item__icon {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.faq-item.is-open .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--color-primary-light);
}

.faq-item__answer .faq-item__answer-a {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
}

.faq-item.is-open .faq-item__answer {
    max-height: 500px;
}

.faq-item__answer p {
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.faq-item__answer p:first-child {
    padding-top: 0;
}

.faq-item__answer p:last-child {
    padding-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .faq-item {
        max-width: 640px;
        width: 640px;
        margin: auto;
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
}