/* FAQ ページスタイル */
@import url('./variables.css');

/* ベーススタイル */
.faq-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.container-full {
    max-width: 1200px;
    margin: 0 auto;
}

/* セクションヘッダー */
.section-head {
    text-align: center;
    margin-bottom: 3rem;
}

.title-xl {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bar {
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.3);
}

/* FAQコンテナ */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* FAQ アイテム */
.faq-item {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(231, 76, 60, 0.15);
    transform: translateY(-2px);
}

/* FAQ 質問部分 */
.faq-question {
    display: flex;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.05) 0%, rgba(255, 255, 255, 1) 100%);
    transition: all 0.3s ease;
    gap: 1rem;
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(255, 255, 255, 1) 100%);
}

.faq-question>.fa-question-circle {
    font-size: 1.5rem;
    color: var(--primary-red);
    flex-shrink: 0;
}

.faq-question>span {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.faq-toggle {
    font-size: 1rem;
    color: var(--primary-red);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

/* FAQ 回答部分 */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background: white;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(231, 76, 60, 0.1);
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}

/* レスポンシブデザイン - タブレット */
@media (max-width: 768px) {
    .faq-section {
        padding: 3rem 1.5rem;
    }

    .title-xl {
        font-size: 2rem;
    }

    .faq-question {
        padding: 1.25rem 1.5rem;
        gap: 0.75rem;
    }

    .faq-question>.fa-question-circle {
        font-size: 1.25rem;
    }

    .faq-question>span {
        font-size: 1rem;
    }

    .faq-item.active .faq-answer {
        padding: 1.25rem 1.5rem;
    }

    .faq-answer p {
        font-size: 0.95rem;
    }
}

/* レスポンシブデザイン - モバイル */
@media (max-width: 480px) {
    .faq-section {
        padding: 2rem 1rem;
    }

    .title-xl {
        font-size: 1.75rem;
    }

    .section-head {
        margin-bottom: 2rem;
    }

    .faq-container {
        gap: 1rem;
    }

    .faq-question {
        padding: 1rem 1.25rem;
        gap: 0.5rem;
    }

    .faq-question>.fa-question-circle {
        font-size: 1.1rem;
    }

    .faq-question>span {
        font-size: 0.95rem;
    }

    .faq-toggle {
        font-size: 0.9rem;
    }

    .faq-item.active .faq-answer {
        padding: 1rem 1.25rem;
    }

    .faq-answer p {
        font-size: 0.9rem;
        line-height: 1.7;
    }
}

/* 大画面対応 */
@media (min-width: 1920px) {
    .container-full {
        max-width: 1400px;
    }

    .title-xl {
        font-size: 3rem;
    }

    .faq-question>.fa-question-circle {
        font-size: 1.75rem;
    }

    .faq-question>span {
        font-size: 1.25rem;
    }

    .faq-answer p {
        font-size: 1.1rem;
    }
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item {
    animation: fadeIn 0.5s ease forwards;
}

.faq-item:nth-child(1) {
    animation-delay: 0.1s;
}

.faq-item:nth-child(2) {
    animation-delay: 0.2s;
}

.faq-item:nth-child(3) {
    animation-delay: 0.3s;
}

.faq-item:nth-child(4) {
    animation-delay: 0.4s;
}

.faq-item:nth-child(5) {
    animation-delay: 0.5s;
}