.page-faq {
  --faq-line: rgba(242, 193, 78, 0.35);
  --faq-glow: 0 0 18px rgba(123, 47, 190, 0.25);
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq .breadcrumb {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
}

.page-faq .page-header {
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0 var(--space-xl);
}

.page-faq .page-header__title {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0.5rem 0 0.75rem;
}

.page-faq .page-header__summary {
  max-width: 640px;
  color: var(--color-muted);
}

.page-faq .faq-section-head {
  margin-bottom: var(--space-md);
  position: relative;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin: 0.5rem 0 0.35rem;
  letter-spacing: 0.02em;
}

.page-faq .faq-section-desc {
  color: var(--color-muted);
  max-width: 640px;
}

.page-faq .doc-tablist {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .doc-tab {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-indigo);
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .doc-tab:hover,
.page-faq .doc-tab:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
  outline: none;
}

.page-faq .doc-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.page-faq .doc-panel {
  background: var(--color-indigo);
  border-left: 3px solid var(--color-gold);
  padding: var(--space-md) var(--space-sm) var(--space-sm);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  scroll-margin-top: calc(var(--header-h) + var(--space-md));
}

.page-faq .doc-panel:hover {
  transform: translateY(-3px);
  border-left-color: var(--color-accent);
  background: #42309e;
}

.page-faq .doc-panel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  color: var(--color-gold);
  font-size: 1rem;
  margin-bottom: var(--space-xs);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .doc-panel:hover .doc-panel__icon {
  transform: rotate(90deg);
  background: var(--color-teal);
}

.page-faq .doc-panel__index {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

.page-faq .doc-panel__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin: 0.15rem 0 0.45rem;
  letter-spacing: 0.03em;
}

.page-faq .doc-panel__desc {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.7;
}

.page-faq .faq-qa-section,
.page-faq .faq-search-section {
  margin-top: var(--space-xl);
}

.page-faq .qa-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: start;
}

.page-faq .qa-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.page-faq .qa-item {
  background: rgba(15, 82, 87, 0.22);
  border-left: 3px solid var(--color-teal);
  transition: background 0.3s var(--ease), border-left-color 0.3s var(--ease);
}

.page-faq .qa-item[open] {
  background: rgba(15, 82, 87, 0.5);
  border-left-color: var(--color-gold);
}

.page-faq .qa-item__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-weight: 700;
  padding: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-faq .qa-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item__q::marker {
  content: "";
}

.page-faq .qa-item__q::after {
  content: "+";
  margin-left: auto;
  color: var(--color-gold);
  font-size: 1.3rem;
  line-height: 1;
  font-family: var(--font-body);
  font-weight: 400;
}

.page-faq .qa-item[open] .qa-item__q::after {
  content: "–";
}

.page-faq .qa-item__mark {
  color: var(--color-gold);
  font-size: 0.8rem;
  flex: 0 0 auto;
  font-weight: 700;
}

.page-faq .qa-item__a {
  padding: 0.35rem var(--space-sm) var(--space-sm);
  margin-left: 1.5rem;
  border-left: 1px dashed var(--faq-line);
  color: var(--color-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-faq .qa-item__a a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .qa-figure {
  margin: 0;
  background: var(--color-indigo);
  padding: var(--space-xs);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-faq .qa-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 500 / 350;
  object-fit: cover;
}

.page-faq .qa-figure figcaption {
  padding: var(--space-xs) var(--space-xs) 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.page-faq .search-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
}

.page-faq .search-tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
  counter-reset: tip;
}

.page-faq .search-tips-list li {
  counter-increment: tip;
  padding: var(--space-sm);
  background: rgba(123, 47, 190, 0.14);
  border-right: 2px solid var(--color-accent);
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .search-tips-list li::before {
  content: "0" counter(tip);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.3rem;
}

.page-faq .search-figure {
  margin: 0;
  background: var(--color-bg-deep);
  border: 1px solid var(--faq-line);
  padding: var(--space-xs);
}

.page-faq .search-figure img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 600 / 300;
  object-fit: cover;
}

.page-faq .search-figure figcaption {
  padding: var(--space-xs) var(--space-xs) 0;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.page-faq .faq-archive-section {
  margin-top: var(--space-xl);
  border-top: 2px solid var(--color-gold);
  background: linear-gradient(120deg, var(--color-indigo), var(--color-teal));
}

.page-faq .archive-card {
  padding: var(--space-md) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.page-faq .archive-card__lead {
  position: relative;
}

.page-faq .archive-card h2 {
  font-family: var(--font-heading);
  margin: 0.4rem 0 0.6rem;
}

.page-faq .archive-card__deco {
  font-family: var(--font-heading);
  font-weight: 700;
  color: rgba(242, 193, 78, 0.35);
  font-size: 4rem;
  line-height: 1;
  margin-top: var(--space-xs);
}

.page-faq .archive-card__body p {
  color: var(--color-text);
  opacity: 0.92;
  max-width: 640px;
}

.page-faq .archive-card__list {
  margin: var(--space-sm) 0 var(--space-sm);
  padding-left: 1.2rem;
  color: var(--color-text);
}

.page-faq .archive-card__list li {
  margin-bottom: 0.35rem;
}

.page-faq .archive-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

@media (min-width: 768px) {
  .page-faq .qa-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .search-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .doc-panels {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .doc-tablist {
    flex-wrap: wrap;
  }

  .page-faq .archive-card {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }

  .page-faq .archive-card__deco {
    font-size: 5rem;
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-faq .doc-panels {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .archive-card {
    grid-template-columns: 280px 1fr;
  }
}