.page-faq {
  --faq-edge: rgba(57, 243, 210, .22);
  --faq-panel: rgba(14, 42, 34, .58);
  background-color: var(--ink);
  background-image: radial-gradient(circle at 84% 3%, rgba(57, 243, 210, .07), transparent 52%);
  background-repeat: no-repeat;
  color: var(--cream);
  padding-bottom: clamp(56px, 9vw, 108px);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 4.6vw, 52px) clamp(34px, 5.6vw, 66px);
  border-bottom: 2px solid var(--faq-edge);
  background: linear-gradient(180deg, var(--ink) 0%, var(--field) 150%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: .32em 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 6vw, 66px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.85;
  color: var(--cream-soft);
}

.page-faq .faq-hero__meta {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 2px solid var(--faq-edge);
  border-left: 6px solid var(--cyan);
  background: rgba(14, 42, 34, .74);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-hero__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--faq-edge);
}

.page-faq .faq-hero__meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__meta-k {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sage);
}

.page-faq .faq-hero__meta-v {
  font-family: var(--f-num);
  font-size: clamp(14px, 1.6vw, 16px);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  padding-top: clamp(26px, 4vw, 48px);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sage);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-tab {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 13px;
  border: 2px solid var(--faq-edge);
  background: transparent;
  color: var(--cream);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-tab__num {
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .06em;
  opacity: .75;
}

.page-faq .faq-tab__label {
  font-size: 14px;
  font-weight: 700;
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink-deep);
}

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

.page-faq .faq-sec {
  scroll-margin-top: calc(var(--head-h) + 16px);
}

.page-faq .faq-body > .faq-sec + .faq-sec {
  margin-top: clamp(38px, 6vw, 76px);
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 13px;
  border-bottom: 2px solid var(--faq-edge);
  margin-bottom: clamp(16px, 2.8vw, 26px);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .faq-sec__head .index-num {
  flex: 0 0 auto;
  font-family: var(--f-num);
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1;
}

.page-faq .faq-sec__lead {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  max-width: 48ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--cream-soft);
}

.page-faq .qa {
  border: 2px solid var(--faq-edge);
  background: var(--faq-panel);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 12px;
}

.page-faq .qa:hover {
  border-color: var(--line-strong);
}

.page-faq .qa[open] {
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(57, 243, 210, .16);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 15px;
  cursor: pointer;
  list-style: none;
  color: var(--cream);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -4px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--cyan);
  transition: background-color var(--dur) var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: opacity var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__sign::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .qa__sign::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa__sign {
  background: var(--cyan);
}

.page-faq .qa[open] .qa__sign::before {
  opacity: 0;
}

.page-faq .qa[open] .qa__sign::after {
  background: var(--ink-deep);
}

.page-faq .qa[open] .qa__q {
  border-bottom: 1px dashed var(--faq-edge);
  margin-bottom: 13px;
}

.page-faq .qa__a {
  padding: 0 15px 16px;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--cream-soft);
}

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

.page-faq .qa__a p + p {
  margin-top: .72em;
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 3px solid var(--brown);
  background: var(--field);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-figure__frame {
  position: relative;
}

.page-faq .faq-figure__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(57, 243, 210, .18), transparent 48%, rgba(255, 138, 61, .14));
  pointer-events: none;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--faq-edge);
  background: var(--ink);
  font-size: 12.5px;
  letter-spacing: .03em;
  line-height: 1.6;
  color: var(--sage);
}

.page-faq .faq-grid2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-note {
  padding: 16px 17px;
  border: 2px solid var(--faq-edge);
  background: var(--faq-panel);
}

.page-faq .faq-note__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--yellow);
}

.page-faq .faq-note__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-note__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cream-soft);
}

.page-faq .faq-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-faq .faq-note__list strong {
  color: var(--cream);
  font-weight: 700;
}

.page-faq .contact-slip {
  padding: 17px;
  border: 3px solid var(--brown);
  background: var(--cream);
  color: var(--brown);
  box-shadow: var(--shadow-hard);
}

.page-faq .contact-slip__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(26, 20, 16, .6);
}

.page-faq .contact-slip__value {
  margin: 0;
  font-family: var(--f-num);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: .01em;
  word-break: break-all;
  color: var(--brown);
  border-bottom: 2px solid var(--orange);
  padding-bottom: 8px;
}

.page-faq .contact-slip__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(26, 20, 16, .78);
}

.page-faq .contact-slip__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brown);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .contact-slip__link:hover,
.page-faq .contact-slip__link:focus-visible {
  color: var(--ember);
  border-color: var(--ember);
}

.page-faq .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 15px;
  border: 2px solid var(--faq-edge);
  background: var(--faq-panel);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .check-item:hover {
  border-color: var(--line-strong);
}

.page-faq .check-item:has(.check-item__box:checked) {
  border-color: var(--cyan);
  background: rgba(57, 243, 210, .09);
}

.page-faq .check-item__box {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 2px solid var(--cyan);
  background: transparent;
  position: relative;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .check-item__box:checked {
  background: var(--cyan);
}

.page-faq .check-item__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-deep);
  border-bottom: 2px solid var(--ink-deep);
  transform: rotate(42deg);
}

.page-faq .check-item__box:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .check-item__num {
  flex: 0 0 auto;
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sage);
  padding-top: 4px;
}

.page-faq .check-item__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .check-item__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
  transition: color var(--dur) var(--ease);
}

.page-faq .check-item__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--cream-soft);
}

.page-faq .check-item:has(.check-item__box:checked) .check-item__title {
  color: var(--cyan);
}

.page-faq .faq-sec--last .faq-help {
  padding: clamp(18px, 3vw, 28px);
  border: 2px solid var(--faq-edge);
  border-left: 6px solid var(--orange);
  background: linear-gradient(120deg, rgba(14, 42, 34, .9), rgba(7, 27, 22, .9));
}

.page-faq .faq-help p {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--cream-soft);
}

.page-faq .faq-help p + p {
  margin-top: .8em;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

@media (min-width: 760px) {
  .page-faq .faq-grid2 {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .9fr);
    align-items: start;
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .82fr);
    align-items: end;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--head-h) + 20px);
  }

  .page-faq .faq-index__title {
    margin-bottom: 12px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-tab {
    display: flex;
    width: 100%;
  }

  .page-faq .qa:nth-child(even) {
    margin-left: 22px;
  }

  .page-faq .faq-figure {
    margin-top: clamp(24px, 3.4vw, 36px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__sign,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .faq-tab,
  .page-faq .check-item,
  .page-faq .check-item__box,
  .page-faq .check-item__title,
  .page-faq .contact-slip__link,
  .page-faq .qa__a a {
    transition: none;
  }
}
<<<END>>>