/* FAQナビゲーション */
.faq_nav {
    border-bottom: 1px solid var(--color-border);
}
.faq_nav_list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}
.faq_nav_link {
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    background-color: var(--color-bg-gray);
    border-radius: 4px;
    transition: all var(--transition-fast);
}
.faq_nav_link:hover,
.faq_nav_link.is-active {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* FAQセクション */
.faq_section {
    border-bottom: 1px solid var(--color-border-light);
}
.faq_section:last-of-type {
    border-bottom: none;
}

/* FAQ一覧 */
.faq_list {
    max-width: 880px;
    margin: 0 auto;
}
.faq_item {
    border-bottom: 1px solid var(--color-border);
}
.faq_item:last-child {
    border-bottom: none;
}

/* FAQ質問 */
.faq_question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}
.faq_question:hover {
    opacity: 0.7;
}
.faq_question_text {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    padding-right: 20px;
}
.faq_question_text::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    font-family: var(--font-latin);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-bg);
    background-color: var(--color-primary);
    flex-shrink: 0;
}

/* FAQ開閉アイコン */
.faq_icon {
    width: 16px;
    height: 16px;
    position: relative;
    flex-shrink: 0;
}
.faq_icon::before,
.faq_icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-text);
    transition: transform var(--transition-fast);
}
.faq_icon::before {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    transform: translateY(-50%);
}
.faq_icon::after {
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    transform: translateX(-50%);
}
.faq_item.is_active .faq_icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

/* FAQ回答 */
.faq_answer {
    display: none;
    padding: 0 0 32px 60px;
    font-size: 0.875rem;
    line-height: 2.2;
    color: var(--color-text-light);
}
.faq_item.is_active .faq_answer {
    display: block;
}

/* PC */
@media screen and (min-width: 900px) {
    .faq_nav {
        padding: 40px 0;
    }
    .faq_section {
        padding: 80px 0;
    }
}

/* SP */
@media screen and (max-width: 899px) {
    .faq_nav {
        padding: 24px 0;
    }
    .faq_section {
        padding: 48px 0;
    }
    .faq_question_text {
        font-size: 0.875rem;
        gap: 16px;
    }
    .faq_answer {
        padding-left: 52px;
    }
}