.page-faq {
  background: var(--c-salt);
  color: var(--c-ink);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 48px) clamp(24px, 3.5vw, 40px);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(36%, 320px);
  background-image: repeating-linear-gradient(180deg, var(--c-line) 0 1px, transparent 1px 14px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 48%);
  mask-image: linear-gradient(90deg, transparent, #000 48%);
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 18ch;
  color: var(--c-deep);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-rock);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-block: clamp(20px, 3vw, 36px) clamp(40px, 6vw, 80px);
}

.page-faq .faq-index {
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-rock);
}

.page-faq .faq-index .toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-faq .toc__link {
  flex: none;
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-deep);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-faq .toc__link:hover,
.page-faq .toc__link.is-active {
  border-color: var(--c-lake);
  color: var(--c-lake);
}

.page-faq .faq-intro {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-intro h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.2;
  margin: 10px 0 0;
  color: var(--c-deep);
}

.page-faq .faq-intro__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-branch {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-branch a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 12px 11px 14px;
  border-left: 2px solid var(--c-line);
  background: var(--c-paper);
  text-decoration: none;
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.65;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-faq .faq-branch a:hover {
  border-left-color: var(--c-flag);
  background: var(--c-salt);
}

.page-faq .faq-branch__no {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-lake);
}

.page-faq .faq-branch__txt strong {
  display: block;
  font-weight: 700;
  color: var(--c-deep);
  margin-bottom: 2px;
}

.page-faq figure {
  margin: 0;
}

.page-faq img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--c-line);
  background: var(--c-paper);
  object-fit: cover;
}

.page-faq figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-faq .faq-toolbar {
  padding-block: clamp(20px, 3vw, 30px) 8px;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--c-line);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  cursor: pointer;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--c-lake);
  color: var(--c-lake);
}

.page-faq .filter-btn[aria-pressed="true"],
.page-faq .filter-btn.is-active {
  background: var(--c-paper);
  border-color: var(--c-flag);
  color: var(--c-deep);
  box-shadow: inset 0 -2px 0 var(--c-flag);
}

.page-faq .faq-group {
  padding-block: clamp(26px, 4vw, 40px);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
}

.page-faq .faq-group__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: var(--c-flag);
  flex: none;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--c-deep);
}

.page-faq .faq-group__lead {
  margin: 12px 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-faq .qa {
  border-left: 2px solid transparent;
  padding-left: 14px;
  margin-left: -16px;
  border-top: 1px solid var(--c-line);
  transition: border-left-color var(--t) var(--ease);
}

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

.page-faq .qa[open] {
  border-left-color: var(--c-lake);
  background: linear-gradient(90deg, rgba(14, 110, 140, 0.045), transparent 42%);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ink);
  transition: color var(--t) var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-lake);
}

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

.page-faq .qa__q:hover {
  color: var(--c-lake);
}

.page-faq .qa__a {
  padding: 0 0 18px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .qa__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .qa__points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-faq .qa__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--c-lake);
}

.page-faq .faq-group__body--split {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .faq-group__figure img {
  width: 100%;
}

.page-faq .faq-route {
  position: relative;
  margin-top: clamp(32px, 5vw, 60px);
  padding: clamp(22px, 4vw, 40px);
  background: var(--c-night);
  color: var(--c-salt);
}

.page-faq .faq-route__track {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
}

.page-faq .faq-route__seg {
  flex: 1;
  height: 1px;
  background: var(--c-lake);
  opacity: 0.55;
}

.page-faq .faq-route__node {
  flex: none;
  width: 9px;
  height: 9px;
  border: 1px solid var(--c-flag-soft);
  transform: rotate(45deg);
}

.page-faq .faq-route__node--end {
  background: var(--c-flag);
  border-color: var(--c-flag);
}

.page-faq .faq-route h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.2;
  margin: 0;
  color: var(--c-salt);
}

.page-faq .faq-route p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-line);
}

.page-faq .faq-route__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

@media (min-width: 760px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-group__body--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    align-self: start;
    border-bottom: 0;
    border-left: 1px solid var(--c-line);
    padding: 0 0 0 14px;
    margin-bottom: 0;
  }

  .page-faq .faq-index .toc {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .toc__link {
    border: 0;
    border-left: 2px solid var(--c-line);
    padding: 8px 0 8px 12px;
    white-space: normal;
    transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
  }

  .page-faq .toc__link:hover,
  .page-faq .toc__link.is-active {
    border-left-color: var(--c-lake);
  }

  .page-faq .faq-group:nth-child(even) .faq-group__head {
    margin-left: clamp(0px, 2vw, 28px);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-faq .faq-hero h1 {
    max-width: 20ch;
  }
}
<<<END>>>