/* FAQ Page Styles */

/* FAQ Intro - シンプルなスタイル */
.faq-intro {
    margin-bottom: 3rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.05rem;
}

.faq-intro p {
    margin: 0 0 1rem 0;
}

.faq-intro p:last-child {
    margin-bottom: 0;
}

/* FAQ Categories */
.faq-categories {
    margin-bottom: 4rem;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category:last-child {
    margin-bottom: 0;
}

.faq-category-title {
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--brand-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.faq-category-title i {
    color: var(--brand-primary);
    font-size: 1.1rem;
    opacity: 0.8;
}

/* FAQ List */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* FAQ Item */
.faq-item {
    background: var(--surface-primary);
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-small);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.faq-item:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-1px);
}

.faq-item.active {
    box-shadow: var(--shadow-medium);
    border-color: var(--brand-primary);
}

/* FAQ Question */
.faq-question {
    margin: 0;
}

.faq-toggle {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.faq-toggle:hover {
    background: rgba(var(--brand-primary-rgb), 0.02);
}

.faq-toggle:focus {
    outline: 2px solid var(--brand-primary);
    outline-offset: -2px;
}

.faq-toggle:focus:not(:focus-visible) {
    outline: none;
}

.faq-question-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
}

.faq-icon {
    color: var(--brand-primary);
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    opacity: 0.6;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    opacity: 1;
}

/* FAQ Answer */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--surface-secondary);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.faq-answer-content p {
    margin: 0 0 1rem 0;
}

.faq-answer-content p:last-child {
    margin-bottom: 0;
}

.faq-answer-content a {
    color: var(--brand-primary);
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.3s ease;
}

.faq-answer-content a:hover {
    color: var(--brand-secondary);
    text-decoration: underline;
}

/* FAQ Fallback */
.faq-fallback {
    margin-bottom: 3rem;
}

/* FAQ CTA */
.faq-cta {
    margin-top: 3rem;
    padding: 2.5rem;
    background: var(--brand-primary);
    color: var(--text-inverse);
    border-radius: var(--border-radius-medium);
    text-align: center;
}

.faq-cta h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-inverse);
    font-weight: 600;
}

.faq-cta p {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.5;
    color: var(--text-inverse);
}

.faq-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.faq-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius-medium);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 160px;
    justify-content: center;
    font-size: 0.95rem;
}

.faq-cta .btn-primary {
    background: var(--text-inverse);
    color: var(--brand-primary);
    border: 1px solid var(--text-inverse);
}

.faq-cta .btn-primary:hover {
    background: transparent;
    color: var(--text-inverse);
    transform: translateY(-1px);
}

.faq-cta .btn-outline {
    background: transparent;
    color: var(--text-inverse);
    border: 1px solid var(--text-inverse);
}

.faq-cta .btn-outline:hover {
    background: var(--text-inverse);
    color: var(--brand-primary);
    transform: translateY(-1px);
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .faq-category-title {
        font-size: 1.5rem;
        margin-bottom: 1.25rem;
    }
    
    .faq-toggle {
        padding: 1.125rem 1.375rem;
    }
    
    .faq-question-text {
        font-size: 0.95rem;
    }
    
    .faq-answer-content {
        padding: 0 1.375rem 1.125rem;
        font-size: 0.9rem;
    }
    
    .faq-cta {
        padding: 2rem 1.5rem;
        margin-top: 2.5rem;
    }
    
    .faq-cta h2 {
        font-size: 1.4rem;
    }
    
    .faq-cta p {
        font-size: 0.95rem;
    }
}

@media screen and (max-width: 768px) {
    .faq-category-title {
        font-size: 1.4rem;
        margin-bottom: 1.25rem;
        gap: 0.5rem;
    }
    
    .faq-category-title i {
        font-size: 1rem;
    }
    
    .faq-toggle {
        padding: 1rem 1.25rem;
        gap: 0.75rem;
    }
    
    .faq-question-text {
        font-size: 0.9rem;
    }
    
    .faq-answer-content {
        padding: 0 1.25rem 1rem;
        font-size: 0.85rem;
    }
    
    .faq-cta {
        padding: 2rem 1.25rem;
        margin-top: 2rem;
    }
    
    .faq-cta h2 {
        font-size: 1.3rem;
    }
    
    .faq-cta p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .faq-cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .faq-cta .btn {
        width: 100%;
        max-width: 250px;
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 480px) {
    .faq-intro {
        margin-bottom: 2rem;
        font-size: 0.95rem;
    }
    
    .faq-category-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .faq-toggle {
        padding: 0.875rem 1rem;
    }
    
    .faq-question-text {
        font-size: 0.85rem;
    }
    
    .faq-answer-content {
        padding: 0 1rem 0.875rem;
        font-size: 0.8rem;
    }
    
    .faq-cta {
        padding: 1.5rem 1rem;
    }
    
    .faq-cta h2 {
        font-size: 1.2rem;
    }
    
    .faq-cta p {
        font-size: 0.85rem;
    }
    
    .faq-cta .btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
}

/* Accessibility */
.faq-toggle[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer[aria-hidden="true"] {
    display: none;
}

/* Focus styles for keyboard navigation */
.faq-toggle:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: -2px;
}

/* Print styles */
@media print {
    .faq-answer {
        max-height: none !important;
        display: block !important;
    }
    
    .faq-toggle {
        cursor: default;
    }
    
    .faq-icon {
        display: none;
    }
    
    .faq-cta {
        display: none;
    }
    
    .faq-item {
        break-inside: avoid;
        margin-bottom: 0.5rem;
    }
}