/**
 * FAQ Common Styles
 * 
 * FAQコンポーネントの共通スタイル
 */

/* ==========================================================================
   FAQ共通スタイル
   ========================================================================== */

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--color-white);
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.faq-question {
    width: 100%;
    padding: 2rem 3rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-base);
}

.faq-question:hover {
    background: rgba(0, 115, 170, 0.02);
}

.faq-question-text {
    font-size: 1.7rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    flex: 1;
    padding-right: 2rem;
}

.faq-toggle {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 115, 170, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.faq-toggle svg {
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-toggle {
    background: var(--color-primary);
}

.faq-question[aria-expanded="true"] .faq-toggle svg {
    transform: rotate(180deg);
    stroke: var(--color-white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding: 0 3rem 2.5rem;
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin: 0;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    transition: max-height 0.5s ease-in;
}

/* ==========================================================================
   レスポンシブ対応
   ========================================================================== */

@media (max-width: 768px) {
    .faq-question {
        padding: 1.5rem 2rem;
    }
    
    .faq-question-text {
        font-size: 1.5rem;
    }
    
    .faq-answer p {
        padding: 0 2rem 2rem;
        font-size: 1.4rem;
    }
}