.page-faq {
  --faq-red: #C0392B;
  --faq-yellow: #F39C12;
  --faq-green: #1E8449;
  --faq-dark: #241F1B;
  --faq-space: clamp(2rem, 4vw, 4rem);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--faq-space) + 1rem) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 156, 18, 0.2), rgba(243, 156, 18, 0));
  top: -6rem;
  right: -5rem;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-faq .faq-hero__right img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 1.25rem;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-layout {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding-top: var(--faq-space);
  padding-bottom: var(--faq-space);
  align-items: start;
}

.page-faq .faq-catalog {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--color-background);
  border: 1px solid var(--color-outline);
  border-radius: 0 0 1rem 1rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-catalog::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-catalog__list {
  display: flex;
  gap: 0.5rem;
  flex: 1 0 auto;
}

.page-faq .faq-catalog__link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  padding: 0.55rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: border-color 0.2s, color 0.2s;
}

.page-faq .faq-catalog__link:hover,
.page-faq .faq-catalog__link:focus {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-faq .faq-catalog__aside-notes {
  display: none;
}

.page-faq .faq-catalog__vertical {
  writing-mode: vertical-rl;
}

.page-faq .faq-content {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  min-width: 0;
}

.page-faq .faq-section {
  border-left: 4px solid var(--color-line);
  padding-left: 1rem;
  scroll-margin-top: calc(var(--header-h) + 4rem);
}

.page-faq .faq-section--green {
  border-left-color: var(--faq-green);
}

.page-faq .faq-section--yellow {
  border-left-color: var(--faq-yellow);
}

.page-faq .faq-section--red {
  border-left-color: var(--faq-red);
}

.page-faq .faq-section--dark {
  border-left-color: var(--faq-dark);
}

.page-faq .faq-section__header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-faq .faq-section__index {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.25;
}

.page-faq .faq-section__lead {
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

.page-faq .faq-item {
  margin-bottom: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-left: 4px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-section--green .faq-item {
  border-left-color: rgba(30, 132, 73, 0.4);
}

.page-faq .faq-section--yellow .faq-item {
  border-left-color: rgba(243, 156, 18, 0.4);
}

.page-faq .faq-section--red .faq-item {
  border-left-color: rgba(192, 57, 43, 0.4);
}

.page-faq .faq-section--dark .faq-item {
  border-left-color: rgba(36, 31, 27, 0.4);
}

.page-faq .faq-item:hover {
  transform: translateX(6px);
  box-shadow: 0 12px 30px -18px rgba(36, 31, 27, 0.25);
}

.page-faq .faq-item summary {
  cursor: pointer;
  list-style: none;
  outline: none;
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-text);
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary::before {
  content: "+";
  display: inline-block;
  width: 1.5rem;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-primary);
  transition: transform 0.2s;
}

.page-faq .faq-item[open] summary::before {
  content: "−";
}

.page-faq .faq-answer {
  padding-top: 0.75rem;
  margin-top: 0.75rem;
  border-top: 1px dashed var(--color-outline);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-faq .faq-answer p + p {
  margin-top: 0.75rem;
}

.page-faq .faq-answer ul {
  margin: 0.75rem 0 0 1.25rem;
  padding: 0;
  list-style: square;
}

.page-faq .faq-grid {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-old-nav-visual,
.page-faq .faq-steps {
  margin: 1.5rem 0 1rem;
  padding: 0.75rem;
  border-radius: 1rem;
  background: var(--color-highlight);
}

.page-faq .faq-steps {
  background: var(--color-background);
  border: 1px solid var(--color-outline);
}

.page-faq .faq-old-nav-visual img,
.page-faq .faq-steps img {
  display: block;
  width: 100%;
  border-radius: 0.75rem;
  object-fit: cover;
}

.page-faq .faq-points-table {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.page-faq .faq-level {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: 0.75rem;
}

.page-faq .faq-level__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.page-faq .faq-level__range {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.page-faq .faq-contact-panel {
  padding: 1.5rem;
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-list li {
  padding: 0.75rem 1rem;
  background: var(--color-highlight);
  border-radius: 0.5rem;
  font-size: 0.95rem;
}

.page-faq .faq-contact-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-faq .faq-legacy-btn {
  position: fixed;
  right: 1.25rem;
  bottom: 6rem;
  z-index: 40;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 12px 30px -12px rgba(192, 57, 43, 0.6);
  opacity: 0.9;
  transition: opacity 0.2s, transform 0.2s;
}

.page-faq .faq-legacy-btn:hover,
.page-faq .faq-legacy-btn:focus {
  opacity: 1;
  transform: translateY(-2px);
}

@media (min-width: 768px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
  }

  .page-faq .faq-catalog {
    top: calc(var(--header-h) + 2rem);
    display: block;
    padding: 1rem;
    border-radius: 1rem;
    overflow: visible;
  }

  .page-faq .faq-catalog__list {
    flex-direction: column;
    gap: 0.25rem;
  }

  .page-faq .faq-catalog__link {
    white-space: normal;
    border-radius: 0.5rem;
    padding: 0.55rem 0.75rem;
  }

  .page-faq .faq-catalog__aside-notes {
    display: block;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-outline);
  }

  .page-faq .faq-catalog__vertical {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--color-primary);
  }

  .page-faq .faq-section {
    padding-left: 2rem;
  }

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

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

  .page-faq .faq-contact-panel {
    padding: 2rem;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}