.page-faq {
  --faq-gap: clamp(20px, 3vw, 44px);
  --faq-answer: #c9d4e6;
  position: relative;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(45, 125, 255, 0.16), transparent 62%),
    radial-gradient(760px 420px at 2% 6%, rgba(255, 138, 61, 0.1), transparent 60%),
    var(--ink);
  color: var(--paper);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.35;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), transparent 78%);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
  padding-block: clamp(24px, 5vw, 60px) clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__copy {
  max-width: 42ch;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  font-size: clamp(0.95rem, 2.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--faq-answer);
  max-width: 46ch;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--line-blue);
  pointer-events: none;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-hero__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-matrix {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.page-faq .faq-matrix__cell {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 14px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-matrix__cell:hover,
.page-faq .faq-matrix__cell:focus-visible {
  background: linear-gradient(180deg, rgba(45, 125, 255, 0.16), transparent 88%);
  outline: none;
}

.page-faq .faq-matrix__cell:focus-visible {
  box-shadow: inset 0 0 0 2px var(--blue);
}

.page-faq .faq-matrix__num {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  letter-spacing: 0.04em;
}

.page-faq .faq-matrix__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-matrix__hint {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  padding-top: clamp(34px, 6vw, 72px);
}

.page-faq .faq-rail {
  border-left: 2px solid var(--line-strong);
  padding-left: 16px;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  font-size: 0.85rem;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--ink-2);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: 0.72rem;
  color: var(--blue);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  outline: none;
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-column {
  min-width: 0;
}

.page-faq .faq-sec {
  padding-top: clamp(30px, 4vw, 48px);
  scroll-margin-top: 84px;
}

.page-faq .faq-sec:first-child {
  padding-top: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 6px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-sec__idx {
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-sec__desc {
  grid-column: 2;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 56ch;
}

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

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary:hover {
  color: var(--amber);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-item__num {
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--blue);
  letter-spacing: 0.05em;
}

.page-faq .faq-item__q {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(0.98rem, 2.5vw, 1.08rem);
  line-height: 1.6;
  color: inherit;
}

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: var(--amber);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: rotate(90deg) scaleY(0);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--amber);
}

.page-faq .faq-a {
  padding: 0 0 20px;
  animation: faq-fade 220ms var(--ease) both;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-a a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--amber);
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
}

.page-faq .faq-figure::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 42px;
  background: var(--amber);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-serif);
  font-size: 0.76rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta {
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--amber);
  background:
    linear-gradient(120deg, rgba(255, 138, 61, 0.1), transparent 58%),
    var(--panel);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-hero__copy {
    padding-bottom: 12px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: clamp(24px, 5vh, 52px);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-faq .faq-rail__link {
    justify-content: flex-start;
    width: 100%;
    border-color: transparent;
    border-bottom: 1px solid var(--line);
    background: transparent;
    padding: 9px 4px;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-bottom-color: var(--blue);
    color: var(--paper);
    padding-left: 10px;
  }

  .page-faq .faq-item__q {
    font-size: 1.08rem;
  }

  .page-faq .faq-a {
    padding-left: 46px;
  }

  .page-faq .faq-figure {
    margin-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }

  .page-faq .faq-matrix__cell,
  .page-faq .faq-rail__link,
  .page-faq .faq-item summary,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}
<<<END>>>