.page-faq {
  --faq-line: rgba(36, 64, 95, .9);
  --faq-line-soft: rgba(36, 64, 95, .6);
  --faq-cut: 14px;
  --faq-hover: rgba(36, 64, 95, .38);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 4vw, 34px) 0 clamp(22px, 4vw, 40px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: repeating-linear-gradient(to bottom,
      rgba(168, 176, 184, .55) 0 6px,
      transparent 6px 14px);
  display: none;
}

.page-faq .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(36px, 10.5vw, 76px);
  line-height: 1.02;
  letter-spacing: .015em;
  font-weight: 700;
  color: var(--paper-100);
}

.page-faq .lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 2.6vw, 16.5px);
  line-height: 1.95;
  color: var(--text-soft);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--faq-line);
  background: rgba(18, 39, 63, .7);
  color: var(--gray-200);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--paper-100);
  border-color: var(--gold-400);
  outline: none;
}

.page-faq .faq-jump a:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(28px, 5vw, 48px);
}

.page-faq .faq-main {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  min-width: 0;
}

.page-faq .faq-group {
  position: relative;
  background: var(--ink-700);
  padding: clamp(18px, 4vw, 28px);
  clip-path: polygon(var(--faq-cut) 0,
      100% 0,
      100% calc(100% - var(--faq-cut)),
      calc(100% - var(--faq-cut)) 100%,
      0 100%,
      0 var(--faq-cut));
  scroll-margin-top: 96px;
}

.page-faq .faq-group--help {
  background: linear-gradient(180deg, rgba(18, 39, 63, 1) 0%, rgba(10, 26, 46, 1) 100%);
  box-shadow: inset 3px 0 0 0 var(--cinnabar-500);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 5.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--clay-500);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(17px, 3.8vw, 21px);
  letter-spacing: .02em;
  font-weight: 600;
  color: var(--paper-100);
}

.page-faq .faq-group__aside {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gray-400);
  white-space: nowrap;
}

.page-faq .faq-figure {
  margin: 18px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--ink-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--gray-200);
}

.page-faq .faq-hint {
  margin: 16px 0 4px;
  padding: 13px 15px;
  border-left: 3px solid var(--jade-500);
  background: rgba(47, 143, 121, .1);
  display: grid;
  gap: 5px;
}

.page-faq .faq-hint .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--jade-300);
  margin: 0;
}

.page-faq .faq-hint p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line-soft);
  scroll-margin-top: 96px;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-item:last-child {
  border-bottom: 0;
}

.page-faq .faq-item.is-linked {
  background: rgba(214, 169, 76, .1);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 15px 6px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  line-height: 1.7;
  font-weight: 600;
  color: var(--paper-100);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q:hover {
  background: var(--faq-hover);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: -2px;
}

.page-faq .faq-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-400);
  font-weight: 500;
}

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

.page-faq .faq-item__mark {
  position: relative;
  align-self: center;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--gold-400);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transform: scaleY(1);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 6px 18px 32px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--text-soft);
}

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

.page-faq .faq-item__a a {
  color: var(--cinnabar-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--gold-400);
}

.page-faq .faq-side {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-side__texture {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-500);
}

.page-faq .faq-index {
  background: var(--ink-700);
  padding: 16px 14px 18px;
  clip-path: polygon(0 0,
      calc(100% - var(--faq-cut)) 0,
      100% var(--faq-cut),
      100% 100%,
      0 100%);
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray-200);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-index__grouplink {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-400);
  text-decoration: none;
}

.page-faq .faq-index__grouplink:hover,
.page-faq .faq-index__grouplink:focus-visible {
  color: var(--paper-100);
  outline: none;
}

.page-faq .faq-index__grouplink:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-faq .faq-index__sub {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-faq .faq-index__sub a {
  display: block;
  padding: 5px 8px;
  border-left: 2px solid transparent;
  color: var(--gray-200);
  font-size: 13px;
  line-height: 1.6;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__sub a:hover,
.page-faq .faq-index__sub a:focus-visible {
  color: var(--paper-100);
  background: var(--faq-hover);
  border-left-color: var(--gold-400);
  outline: none;
}

.page-faq .faq-index__sub a:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: -2px;
}

.page-faq .faq-index__sub a.is-linked {
  color: var(--paper-100);
  border-left-color: var(--cinnabar-300);
  background: rgba(194, 64, 46, .16);
}

.page-faq .faq-side__note {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--gray-200);
}

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

@media (min-width: 700px) {
  .page-faq .faq-hero::after {
    display: block;
  }

  .page-faq .faq-jump {
    gap: 10px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: clamp(30px, 4vw, 52px);
    align-items: start;
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: 94px;
    max-height: calc(100vh - 128px);
    overflow: auto;
    display: grid;
    gap: 16px;
    padding-right: 4px;
  }

  .page-faq .faq-side__inner::-webkit-scrollbar {
    width: 6px;
  }

  .page-faq .faq-side__inner::-webkit-scrollbar-thumb {
    background: var(--ink-500);
    border-radius: 3px;
  }

  .page-faq .faq-item__a {
    padding-left: 40px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-item__a {
    padding-left: 6px;
  }

  .page-faq .faq-group__head {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .faq-group__aside {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__q,
  .page-faq .faq-jump a,
  .page-faq .faq-index__sub a {
    transition: none;
  }
}
<<<END>>>