.page-faq {
  --faq-paper: #FFFDF5;
  --faq-tv-bg: #1E3A8A;
  --faq-tv-soft: #D9E4F0;
  --faq-ink: #1A1A1A;
}

.page-faq .faq-page-head {
  margin: 24px 0 18px;
  padding: 0 2px;
}

.page-faq .faq-page-head h1 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-shadow: 3px 3px 0 rgba(255,255,255,0.35);
}

.page-faq .faq-quicknav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.page-faq .faq-quicknav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--cream);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 15px;
  box-shadow: 2px 2px 0 rgba(26,26,26,0.25);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-quicknav-link:hover,
.page-faq .faq-quicknav-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(26,26,26,0.3);
  outline: none;
}

.page-faq .faq-quicknav-link--orange {
  background: var(--accent-orange);
  color: #fff;
}

.page-faq .faq-quicknav-link--purple {
  background: var(--accent-purple);
  color: #fff;
}

.page-faq .faq-quicknav-link--blue {
  background: var(--card-blue);
}

.page-faq .faq-quicknav-link--green {
  background: var(--card-green);
}

.page-faq .faq-quicknav-index {
  font-size: 13px;
  font-weight: 800;
  background: rgba(255,255,255,0.55);
  border: 2px solid var(--text-primary);
  border-radius: 4px;
  padding: 2px 5px;
  line-height: 1.2;
}

.page-faq .faq-quicknav-link--orange .faq-quicknav-index,
.page-faq .faq-quicknav-link--purple .faq-quicknav-index {
  background: rgba(255,255,255,0.22);
  color: #fff;
}

.page-faq .split-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.page-faq .faq-toc {
  background: var(--card-yellow);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 rgba(26,26,26,0.25);
  padding: 16px;
}

.page-faq .faq-toc-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--text-primary);
}

.page-faq .faq-toc-badge {
  background: var(--text-primary);
  color: var(--card-yellow);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.page-faq .faq-toc-title {
  font-weight: 800;
  font-size: 15px;
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-faq .faq-toc-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 6px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid rgba(26,26,26,0.1);
  transition: background 0.15s ease;
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  background: rgba(255,255,255,0.55);
  outline: none;
}

.page-faq .faq-toc-link.is-active {
  background: var(--text-primary);
  color: var(--card-yellow);
}

.page-faq .faq-toc-link.is-active .faq-toc-num {
  color: var(--card-yellow);
}

.page-faq .faq-toc-num {
  font-weight: 800;
  color: var(--accent-orange);
}

.page-faq .faq-toc-feedback {
  background: var(--text-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-toc-feedback-text {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-section {
  background: var(--faq-paper);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-lg);
  box-shadow: 4px 4px 0 rgba(26,26,26,0.2);
  padding: 18px 14px;
  margin-bottom: 20px;
}

.page-faq .section-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--text-primary);
}

.page-faq .section-heading-mark {
  background: var(--accent-orange);
  color: #fff;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 6px;
  border: 2px solid var(--text-primary);
  box-shadow: 2px 2px 0 rgba(26,26,26,0.2);
  line-height: 1.3;
}

.page-faq .section-heading h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-faq .section-heading-more {
  margin-left: auto;
  font-size: 12px;
  font-weight: 600;
  color: rgba(26,26,26,0.65);
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--border-light);
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  display: flex;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--border-light);
}

.page-faq .faq-step:last-child {
  border-bottom: none;
}

.page-faq .faq-step-num {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-orange);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  border-radius: 50%;
  border: 2px solid var(--text-primary);
  box-shadow: 2px 2px 0 rgba(26,26,26,0.2);
}

.page-faq .faq-step-body {
  flex: 1;
}

.page-faq .faq-step-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}

.page-faq .faq-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(26,26,26,0.82);
}

.page-faq .faq-step-text a,
.page-faq .faq-item-a a,
.page-faq .faq-more-help-link {
  color: var(--text-primary);
  text-decoration-thickness: 2px;
  text-decoration-color: var(--accent-orange);
  text-underline-offset: 2px;
  font-weight: 700;
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--text-primary);
}

.page-faq .faq-tags-label {
  font-size: 13px;
  font-weight: 800;
  margin-right: 6px;
  letter-spacing: 0.02em;
}

.page-faq .faq-section--tv {
  background: var(--faq-tv-bg);
  border-color: var(--faq-tv-bg);
  color: var(--faq-tv-soft);
  box-shadow: 4px 4px 0 rgba(26,26,26,0.3);
}

.page-faq .faq-section--tv .section-heading {
  border-bottom-color: rgba(255,255,255,0.35);
}

.page-faq .faq-section--tv .section-heading-mark {
  background: var(--card-yellow);
  color: var(--text-primary);
}

.page-faq .faq-section--tv .section-heading h2 {
  color: #fff;
}

.page-faq .faq-section--tv .section-heading-more {
  color: var(--card-yellow);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
}

.page-faq .faq-tv-wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: center;
}

.page-faq .faq-tv-visual {
  flex: 0 0 auto;
  width: 150px;
  margin: 0;
}

.page-faq .faq-tv-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.5);
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
}

.page-faq .faq-tv-caption {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--faq-tv-soft);
  text-align: center;
  line-height: 1.4;
}

.page-faq .faq-tv-map {
  flex: 1;
  width: 100%;
}

.page-faq .faq-subtitle {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--card-yellow);
}

.page-faq .faq-section--quality .faq-subtitle,
.page-faq .faq-section--search .faq-subtitle {
  color: var(--text-primary);
}

.page-faq .faq-keymap {
  margin: 0;
}

.page-faq .faq-keymap-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.22);
}

.page-faq .faq-keymap-row:last-child {
  border-bottom: none;
}

.page-faq .faq-key-name {
  flex: 0 0 112px;
  min-width: 0;
}

.page-faq .faq-keycap {
  display: inline-block;
  max-width: 100%;
  padding: 5px 8px;
  border-radius: 6px;
  background: #fff;
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
  box-shadow: 0 2px 0 var(--text-primary);
  font-weight: 800;
  font-size: 12px;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.page-faq .faq-keycap--dir {
  background: var(--card-yellow);
}

.page-faq .faq-keycap--ok {
  background: var(--card-green);
}

.page-faq .faq-keycap--back {
  background: var(--card-blue);
}

.page-faq .faq-keycap--num {
  background: var(--card-yellow);
}

.page-faq .faq-keycap--menu {
  background: var(--accent-purple);
  color: #fff;
}

.page-faq .faq-keycap--play {
  background: var(--accent-orange);
  color: #fff;
}

.page-faq .faq-keycap--vol {
  background: var(--card-green);
}

.page-faq .faq-keycap--mute {
  background: var(--card-blue);
}

.page-faq .faq-keycap--pg {
  background: var(--card-yellow);
}

.page-faq .faq-keycap--exit {
  background: var(--text-primary);
  color: #fff;
}

.page-faq .faq-key-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--faq-tv-soft);
}

.page-faq .faq-tv-note {
  margin: 12px 0 0;
  padding: 10px 12px;
  background: rgba(255,255,255,0.1);
  border-left: 3px solid var(--card-yellow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  line-height: 1.6;
  color: #fff;
}

.page-faq .faq-quality-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .faq-quality-card {
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  padding: 14px;
  position: relative;
  box-shadow: 2px 2px 0 rgba(26,26,26,0.15);
}

.page-faq .faq-quality-card--smooth {
  background: var(--card-green);
}

.page-faq .faq-quality-card--hd {
  background: var(--card-yellow);
}

.page-faq .faq-quality-card--uhd {
  background: var(--card-blue);
}

.page-faq .faq-quality-card--bluray {
  background: var(--accent-purple);
  color: #fff;
}

.page-faq .faq-quality-level {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
  line-height: 1.2;
}

.page-faq .faq-quality-flag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.page-faq .faq-quality-card--bluray .faq-quality-flag {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.page-faq .faq-quality-list {
  margin: 0;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.55;
}

.page-faq .faq-quality-list li {
  margin-bottom: 2px;
}

.page-faq .faq-audio-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .faq-audio-card {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--card-yellow);
  box-shadow: 2px 2px 0 rgba(26,26,26,0.15);
}

.page-faq .faq-audio-card--dolby {
  background: var(--card-blue);
}

.page-faq .faq-audio-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 15px;
}

.page-faq .faq-audio-body {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-audio-title {
  margin: 0 0 2px;
  font-size: 14px;
  font-weight: 800;
}

.page-faq .faq-audio-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: rgba(26,26,26,0.8);
}

.page-faq .faq-audio-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--text-primary);
  color: var(--text-primary);
}

.page-faq .faq-bandwidth {
  background: var(--text-primary);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-bandwidth .faq-subtitle {
  color: var(--card-yellow);
  margin-bottom: 12px;
}

.page-faq .faq-bandwidth-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-faq .faq-bandwidth-row:last-child {
  margin-bottom: 0;
}

.page-faq .faq-bandwidth-label {
  flex: 0 0 42px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-bandwidth-track {
  flex: 1;
  height: 12px;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  overflow: hidden;
}

.page-faq .faq-bandwidth-fill {
  display: block;
  height: 100%;
  border-radius: 20px;
}

.page-faq .faq-bandwidth-fill.is-lv1 {
  background: var(--card-green);
}

.page-faq .faq-bandwidth-fill.is-lv2 {
  background: var(--card-yellow);
}

.page-faq .faq-bandwidth-fill.is-lv3 {
  background: var(--card-blue);
}

.page-faq .faq-bandwidth-fill.is-lv4 {
  background: var(--status-new);
}

.page-faq .faq-quality-shot {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  background: var(--text-primary);
  padding: 10px;
}

.page-faq .faq-quality-shot-img {
  flex: 0 0 120px;
  width: 120px;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.35);
}

.page-faq .faq-quality-shot-note {
  color: #fff;
  font-size: 13px;
  line-height: 1.5;
}

.page-faq .faq-quality-shot-note .text-mono {
  color: var(--card-yellow);
  font-weight: 800;
  margin-right: 4px;
}

.page-faq .faq-legend-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  background: var(--card-blue);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 14px;
}

.page-faq .faq-legend-bar-label {
  font-size: 13px;
  font-weight: 800;
  margin-right: 4px;
}

.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-item {
  background: #fff;
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 2px 2px 0 rgba(26,26,26,0.1);
}

.page-faq .faq-item-q {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item-q:hover {
  background: rgba(255,184,77,0.15);
}

.page-faq .faq-item-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-orange);
  color: #fff;
  font-weight: 800;
  font-size: 12px;
  border-radius: 4px;
  border: 1px solid var(--text-primary);
  padding: 2px 6px;
  line-height: 1.3;
}

.page-faq .faq-item-title {
  flex: 1;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-faq .faq-item-toggle {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-orange);
  line-height: 1;
  transition: transform 0.18s ease;
}

.page-faq .faq-item[open] .faq-item-toggle {
  transform: rotate(45deg);
}

.page-faq .faq-item-a {
  padding: 0 14px 14px 52px;
  border-top: 1px dashed var(--border-light);
}

.page-faq .faq-item-a p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(26,26,26,0.85);
}

.page-faq .faq-more-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--card-green);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-top: 16px;
}

.page-faq .faq-more-help-text {
  font-weight: 800;
  font-size: 14px;
  color: var(--text-primary);
}

.page-faq .faq-more-help-link {
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid var(--text-primary);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  box-shadow: 2px 2px 0 rgba(26,26,26,0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .faq-more-help-link:hover {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(26,26,26,0.3);
}

@media (min-width: 640px) {
  .page-faq .faq-quality-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-faq .faq-quality-shot-img {
    flex-basis: 160px;
    width: 160px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-quicknav {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .split-layout {
    grid-template-columns: 280px 1fr;
    gap: 24px;
  }

  .page-faq .split-side {
    position: sticky;
    top: 76px;
  }

  .page-faq .faq-section {
    padding: 24px 26px;
    margin-bottom: 24px;
  }

  .page-faq .section-heading h2 {
    font-size: 24px;
  }

  .page-faq .faq-tv-wrap {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-faq .faq-tv-visual {
    width: 180px;
  }

  .page-faq .faq-quality-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-quality-shot-img {
    flex-basis: 220px;
    width: 220px;
  }
}