/* ============================================================
 * faq-page.css
 * FAQ詳細ページ（/faq/）専用スタイル
 *
 * .sba-faq-item__* のアコーディオン本体は pricing.css に定義済みで、
 * 当ページでは pricing.css も同時 enqueue する前提（functions.php 参照）。
 * 当ファイルでは ヒーロー / 目次 / カテゴリ見出し のみ定義。
 * ============================================================ */

/* ===================== PAGE / CONTAINER ===================== */

.sba-faqpage {
  color: var(--sba-pr-text);
  background: var(--sba-pr-tinted);
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* ===================== HERO ===================== */

.sba-faqpage-hero {
  background: var(--sba-pr-charcoal);
  color: var(--sba-pr-tinted);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.sba-faqpage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(66, 124, 137, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(196, 92, 58, 0.16) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(247, 186, 57, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.sba-faqpage-hero__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 2;
}

@media (max-width: 900px) {
  .sba-faqpage-hero__inner { padding: 0 24px; }
  .sba-faqpage-hero { padding: 88px 0 64px; }
}

.sba-faqpage-hero__label {
  font-family: 'Outfit', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sba-pr-tinted-thin);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.sba-faqpage-hero__label::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--sba-pr-terracotta);
  display: block;
}

.sba-faqpage-hero__title {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.04em;
  margin: 0 0 24px;
  color: var(--sba-pr-tinted);
}

.sba-faqpage-hero__lead {
  font-size: 16px;
  color: var(--sba-pr-tinted-muted);
  line-height: 1.95;
  font-weight: 500;
  max-width: 640px;
  margin: 0;
}

/* ===================== BODY ===================== */

.sba-faqpage-body {
  padding: 80px 0 100px;
}

@media (max-width: 900px) {
  .sba-faqpage-body { padding: 56px 0 80px; }
}

.sba-faqpage-body__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 900px) {
  .sba-faqpage-body__inner { padding: 0 24px; }
}

/* ===================== TOC（目次） ===================== */

.sba-faq-toc {
  max-width: 880px;
  margin: 0 auto 56px;
  background: #fff;
  border: 1px solid var(--sba-pr-border);
  border-radius: 0 24px 0 24px;
}

.sba-faq-toc__details {
  /* native open/close */
}

.sba-faq-toc__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-family: 'Outfit', 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--sba-pr-charcoal);
  text-transform: uppercase;
}

.sba-faq-toc__summary::-webkit-details-marker { display: none; }

.sba-faq-toc__summary-icon {
  font-size: 1rem;
  transition: transform 0.2s ease;
  color: var(--sba-pr-terracotta);
}

.sba-faq-toc__details[open] .sba-faq-toc__summary-icon {
  transform: rotate(180deg);
}

.sba-faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 8px 24px 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
}

@media (max-width: 720px) {
  .sba-faq-toc__list {
    grid-template-columns: 1fr;
    gap: 6px 0;
  }
}

.sba-faq-toc__item { padding: 0; }

.sba-faq-toc__link {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  text-decoration: none;
  color: var(--sba-pr-text);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: color 0.2s ease;
}

.sba-faq-toc__link:hover {
  color: var(--sba-pr-teal);
}

.sba-faq-toc__num {
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sba-pr-terracotta);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  padding-top: 2px;
}

.sba-faq-toc__text { flex: 1; }

/* ===================== CATEGORY HEADING ===================== */

.sba-faq-category-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  max-width: 880px;
  margin: 56px auto 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sba-pr-border);
}

.sba-faq-category-heading:first-of-type { margin-top: 0; }

.sba-faq-category-heading__key {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--sba-pr-teal);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--sba-pr-teal);
  border-radius: 0 8px 0 8px;
}

.sba-faq-category-heading__label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--sba-pr-charcoal);
}

@media (max-width: 720px) {
  .sba-faq-category-heading__key {
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
  }
  .sba-faq-category-heading__label { font-size: 1.05rem; }
}

/* ===================== reduced-motion ===================== */

@media (prefers-reduced-motion: reduce) {
  .sba-faq-toc__summary-icon,
  .sba-faq-toc__link {
    transition: none;
  }
}