/**
 * IDOL TOKYO NEO
 * FAQ Page (page-faq.php) Styles
 * (Crystal Sky Blue, Luminous Wings & Neo-Clean Gradient Refinements)
 */

/* ==========================================================================
   0. PAGE SPECIFIC OVERRIDES & UTILITIES
   ========================================================================== */
.d-none {
    display: none !important;
}

/* ==========================================================================
   1. FAQ PAGE CONTAINER & SECTION LAYOUT
   ========================================================================== */
.faq-page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-32) var(--space-16) 120px;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

.faq-section-inner {
    padding-top: var(--space-32);
    padding-bottom: var(--space-64);
    position: relative;
    box-sizing: border-box;
}

/* ==========================================================================
   2. FAQ ACCORDION LIST & HEADERS (白背景 ＋ 3D立体シャドウ ＆ 明朝体)
   ========================================================================== */
.faq-section-inner .accordion {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.faq-section-inner .accordion-item {
    background-color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card, 0 10px 30px rgba(15, 23, 42, 0.08));
    position: relative;
    box-sizing: border-box;
}

.faq-section-inner .accordion-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover, 0 18px 40px rgba(2, 132, 199, 0.15));
}

/* 質問ヘッダー枠 */
.faq-section-inner .accordion-header {
    width: 100%;
    min-height: 72px;
    height: auto;
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: var(--space-16);
    color: var(--text-main, #0F172A);
    font-family: var(--font-mincho, 'Shippori Mincho', 'Noto Serif JP', serif);
    font-size: 15.5px;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.6;
    transition: background-color 0.3s ease;
    box-sizing: border-box;
}

.faq-section-inner .accordion-header:hover {
    background-color: rgba(165, 243, 252, 0.15);
}

/* 開閉アイコン */
.faq-section-inner .acc-icon {
    font-family: var(--font-en);
    font-size: 20px;
    color: var(--accent-cyan-deep, #0284C7);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
    line-height: 1;
}

/* 展開時スカイアクア（ピンク廃止） */
.faq-section-inner .accordion-item.active .acc-icon {
    transform: rotate(45deg);
    color: var(--accent-cyan, #38BDF8);
}

/* ==========================================================================
   3. ACCORDION EXPANDED CONTENT & ANSWER TYPOGRAPHY
   ========================================================================== */
.faq-section-inner .accordion-content {
    display: none;
    border-top: 1px dashed var(--border-thin);
    background-color: #FFFFFF;
    transition: all 0.3s ease;
    padding: 0 32px;
    box-sizing: border-box;
}

.faq-section-inner .accordion-content.active,
.faq-section-inner .accordion-item.active .accordion-content {
    display: block;
    max-height: 2000px;
    padding-top: 32px;
    padding-bottom: 40px;
    padding-left: 32px;
    padding-right: 32px;
}

.faq-answer-text {
    font-size: 14px;
    color: var(--text-muted, #64748B);
    line-height: 1.85;
    letter-spacing: 0.8px;
    padding: 0;
    margin: 0;
    word-break: break-word;
    font-weight: 500;
}

.faq-answer-text p {
    margin-top: 0;
    margin-bottom: 16px;
}

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

/* ==========================================================================
   4. RESPONSIVE REFINEMENTS (767px以下)
   ========================================================================== */
@media (max-width: 767px) {
    .faq-section-inner .accordion {
        gap: 16px;
    }

    .faq-section-inner .accordion-header {
        padding: 18px 20px;
        gap: var(--space-12);
        min-height: 60px;
        font-size: 14px;
        line-height: 1.5;
    }

    .faq-section-inner .accordion-content {
        padding: 0 20px;
    }

    .faq-section-inner .accordion-content.active,
    .faq-section-inner .accordion-item.active .accordion-content {
        padding-top: 24px;
        padding-bottom: 28px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .faq-answer-text {
        font-size: 13px;
        line-height: 1.75;
    }
}