/* =====================================================
   FAQ セクション
   ===================================================== */

.faq-section {
    padding: 80px 0;
    background: #fff;
}

.faq-section__inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.faq-section__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    text-align: center;
    margin-bottom: 40px;
}

.faq-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 10px;
}

.faq-item__summary {
    padding: 18px 24px;
    font-weight: 700;
    font-size: 0.95rem;
    color: #1e293b;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* default marker を消す */
.faq-item__summary::-webkit-details-marker {
    display: none;
}

.faq-item__summary::after {
    content: "+";
    font-size: 1.2rem;
    color: #94a3b8;
    transition: transform 0.2s;
}

.faq-item[open] .faq-item__summary::after {
    content: "−";
    color: #2563EB;
}

.faq-item__body {
    padding: 0 24px 18px;
    font-size: 0.88rem;
    color: #475569;
    line-height: 1.85;
}

/* FAQ内の内部アンカーリンク（他セクションへジャンプ） */
.faq-item__link {
    color: #1e40af;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    font-weight: 600;
    transition: color 0.15s ease;
}

.faq-item__link:hover {
    color: #1e3a8a;
    text-decoration-thickness: 2px;
}

.faq-item__link:focus-visible {
    outline: 2px solid #1e40af;
    outline-offset: 2px;
    border-radius: 2px;
}

/* --- モバイル --- */
@media (max-width: 768px) {
    .faq-section__inner {
        padding: 0 16px;
    }

    .faq-item__summary {
        padding: 16px 20px;
        font-size: 0.9rem;
    }

    .faq-item__body {
        padding: 0 20px 16px;
        font-size: 0.85rem;
    }
}