/* ========== もっと知るボタン ========== */
.about-more-btn-container {
    text-align: center;
    margin-top: 4rem;
}

.about-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 3rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.about-more-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-hover);
}

.btn-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.about-more-btn:hover .btn-arrow {
    transform: translateX(5px);
}

/* ========== Q&Aモーダル ========== */
.qa-modal-content {
    max-width: 1000px;
}

.qa-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: border-color var(--transition-speed) var(--transition-easing);
}

.qa-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.qa-question {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.qa-question h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.6;
    margin: 0;
    transition: color var(--transition-speed) var(--transition-easing);
}

.qa-answer {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding-left: 1rem;
}

.qa-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
    transition: color var(--transition-speed) var(--transition-easing);
}

.qa-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    transition: background var(--transition-speed) var(--transition-easing);
}

.qa-icon.answer {
    background: var(--glow-color);
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    transition: background var(--transition-speed) var(--transition-easing),
                color var(--transition-speed) var(--transition-easing),
                border-color var(--transition-speed) var(--transition-easing);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .about-more-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .qa-question h3 {
        font-size: 1.1rem;
    }
    
    .qa-answer {
        padding-left: 0;
    }
    
    .qa-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}