.page-faq .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

.page-faq .faq-hero {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-block: clamp(28px, 4.4vw, 64px) clamp(36px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__main {
  max-width: 46rem;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 40rem;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
  align-self: start;
}

.page-faq .faq-hero__stat {
  background: var(--ink-0);
  padding: 16px 14px 18px;
}

.page-faq .faq-hero__stat dt {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__num {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--text);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__num--cyan { color: var(--cyan); }
.page-faq .faq-hero__num--purple { color: var(--purple); }
.page-faq .faq-hero__num--gold { color: var(--gold); }

.page-faq .faq-hero__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-index {
  padding-block: clamp(48px, 6vw, 92px);
}

.page-faq .faq-index__body {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-faq .orbit-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  position: relative;
}

.page-faq .orbit-lane {
  position: relative;
  padding: 16px 10px 24px;
  background: var(--ink-0);
  text-align: center;
  transition: background 160ms ease;
}

.page-faq .orbit-lane:hover {
  background: var(--ink-1);
}

.page-faq .orbit-lane__no {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
}

.page-faq .orbit-lane__name {
  margin: 6px 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .orbit-lane::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 84px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(180deg, var(--purple), rgba(122, 92, 255, 0.08));
}

.page-faq .orbit-lane__nodes {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .orbit-lane__nodes li {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-0);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.page-faq .orbit-lane__nodes li:first-child {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(61, 242, 230, 0.45);
}

.page-faq .orbit-lane:nth-child(2) .orbit-lane__nodes li:first-child { background: var(--gold); border-color: var(--gold); box-shadow: 0 0 10px rgba(255, 200, 87, 0.4); }
.page-faq .orbit-lane:nth-child(3) .orbit-lane__nodes li:first-child { background: var(--magenta); border-color: var(--magenta); box-shadow: 0 0 10px rgba(255, 63, 164, 0.4); }
.page-faq .orbit-lane:nth-child(5) .orbit-lane__nodes li:first-child { background: var(--purple); border-color: var(--purple); box-shadow: 0 0 10px rgba(122, 92, 255, 0.45); }

.page-faq .orbit-lane:hover .orbit-lane__nodes li {
  border-color: var(--purple);
}

.page-faq .faq-index__fig,
.page-faq .faq-help__fig {
  margin: 0;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-index__fig img,
.page-faq .faq-help__fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-list {
  padding-block: clamp(20px, 3vw, 40px) clamp(48px, 6vw, 88px);
  scroll-margin-top: 24px;
}

.page-faq .faq-list .filter-bar {
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  margin-top: clamp(26px, 3.4vw, 44px);
}

.page-faq .faq-rail {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-faq .faq-rail .anno {
  margin: 0 0 14px;
  color: var(--muted);
}

.page-faq .faq-rail__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 8px 9px 4px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 51, 80, 0.5);
  transition: color 120ms ease, padding-left 120ms ease;
}

.page-faq .faq-rail__link:hover {
  color: var(--cyan);
  padding-left: 8px;
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-rail__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
}

.page-faq .faq-rail__dot--purple { background: var(--purple); }
.page-faq .faq-rail__dot--cyan { background: var(--cyan); }
.page-faq .faq-rail__dot--magenta { background: var(--magenta); }
.page-faq .faq-rail__dot--gold { background: var(--gold); }

.page-faq .faq-rail__count {
  margin-left: auto;
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-rail__hint {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-group {
  scroll-margin-top: 24px;
  padding-top: 18px;
  margin-bottom: clamp(30px, 4vw, 52px);
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-group__head {
  position: relative;
  padding-left: 14px;
  margin-bottom: 10px;
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--purple);
}

.page-faq .faq-group[data-tags="sub"] .faq-group__head::before { background: var(--purple); }
.page-faq .faq-group[data-tags="replay"] .faq-group__head::before { background: var(--cyan); }
.page-faq .faq-group[data-tags="data"] .faq-group__head::before { background: var(--magenta); }
.page-faq .faq-group[data-tags="index"] .faq-group__head::before { background: var(--gold); }

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--muted);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--cyan);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__no {
  flex: none;
  padding-top: 3px;
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .qa__text {
  font-size: clamp(15px, 1.3vw, 16.5px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color 120ms ease;
}

.page-faq .qa__q:hover .qa__text {
  color: var(--cyan);
}

.page-faq .qa__a {
  padding: 0 0 18px 34px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 230, 0.4);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-help {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  padding-block: clamp(40px, 5.4vw, 76px) clamp(56px, 7vw, 104px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--text);
  text-wrap: balance;
}

.page-faq .faq-help__lede {
  margin: 16px 0 0;
  max-width: 42rem;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-faq .faq-help__list {
  margin: 26px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-help__row dt {
  color: var(--muted);
}

.page-faq .faq-help__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-help__row:last-child .faq-help__value {
  font-family: var(--font-body);
  font-size: 14px;
}

.page-faq .faq-help__more {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-help__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 242, 230, 0.4);
}

.page-faq .faq-help__more a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }

  .page-faq .faq-hero__stats {
    margin-bottom: 6px;
  }

  .page-faq .orbit-map {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .faq-index__body {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 0.66fr);
    align-items: start;
  }

  .page-faq .faq-index__fig {
    margin-top: 26px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-help__fig {
    margin-top: 34px;
  }

  .page-faq .faq-help__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 3.6vw, 64px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-faq .qa__q {
    padding: 17px 0;
  }

  .page-faq .qa__a {
    padding-left: 40px;
    padding-bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .orbit-lane,
  .page-faq .orbit-lane__nodes li,
  .page-faq .faq-rail__link,
  .page-faq .qa__text {
    transition: none;
  }
}
<<<END>>>