.page-faq {
  background: var(--arena);
  color: var(--ice);
  font-family: var(--font-body);
  padding-block: clamp(20px, 4vw, 40px) clamp(48px, 8vw, 88px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .tut-hero {
  display: grid;
  gap: 22px;
  padding-bottom: clamp(22px, 4vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-hero__title {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-faq .tut-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
}

.page-faq .tut-hero__plate {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(135deg, rgba(200, 255, 61, 0.09), rgba(79, 216, 196, 0.05) 58%, rgba(6, 18, 15, 0) 100%);
}

.page-faq .tut-hero__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-faq .tut-hero__plate-rule {
  width: 1px;
  align-self: stretch;
  background: var(--line);
}

.page-faq .tut-hero__plate-text {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--fog);
}

.page-faq .tut-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 18px 0 14px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .tut-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--pitch);
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .tut-index__link span {
  color: var(--accent);
  transition: color 0.18s var(--ease);
}

.page-faq .tut-index__link:hover,
.page-faq .tut-index__link:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.page-faq .tut-index__link:hover span,
.page-faq .tut-index__link:focus-visible span {
  color: var(--accent-ink);
}

.page-faq .tut-topic {
  border-bottom: 1px solid var(--line);
  border-radius: 2px;
  background: var(--arena);
  transition: background 0.28s var(--ease);
}

.page-faq .tut-topic[open] {
  background: var(--pitch);
}

.page-faq .tut-topic:target {
  box-shadow: inset 3px 0 0 0 var(--accent);
}

.page-faq .tut-topic__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: clamp(18px, 3vw, 26px) 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .tut-topic__tag {
  display: none;
  align-self: stretch;
  align-items: center;
  padding-left: 6px;
  border-left: 1px solid var(--line);
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--fog);
}

.page-faq .tut-topic__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.page-faq .tut-topic__title {
  flex: 1 1 220px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--ice);
  transition: color 0.2s var(--ease);
}

.page-faq .tut-topic[open] .tut-topic__title {
  color: var(--accent);
}

.page-faq .tut-topic__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog);
  white-space: nowrap;
}

.page-faq .tut-topic__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.page-faq .tut-topic__sign::before,
.page-faq .tut-topic__sign::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .tut-topic__sign::before {
  inset: 8px 0;
}

.page-faq .tut-topic__sign::after {
  inset: 0 8px;
}

.page-faq .tut-topic[open] .tut-topic__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .tut-topic__body {
  display: grid;
  gap: 20px;
  padding: 0 4px clamp(24px, 4vw, 40px);
}

.page-faq .tut-topic__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 244, 242, 0.82);
}

.page-faq .tut-topic__grid {
  display: grid;
  gap: 22px;
}

.page-faq .tut-steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .tut-steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--line) 0%, var(--line) 78%, rgba(42, 66, 58, 0) 100%);
}

.page-faq .tut-step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
}

.page-faq .tut-step__box {
  position: relative;
  display: block;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--pitch);
  cursor: pointer;
}

.page-faq .tut-step__check {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-faq .tut-step__num {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--fog);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .tut-step__check:checked + .tut-step__num {
  background: var(--cyan);
  color: var(--arena);
}

.page-faq .tut-step__check:focus-visible + .tut-step__num {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-faq .tut-step__title {
  margin: 10px 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-faq .tut-step__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .tut-step__text a {
  color: var(--accent-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.4);
}

.page-faq .tut-step__text a:hover,
.page-faq .tut-step__text a:focus-visible {
  border-bottom-color: var(--accent);
}

.page-faq .tut-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--board);
  overflow: hidden;
}

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

.page-faq .tut-media__cap {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-faq .tut-demo {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: 2px;
  background: rgba(20, 49, 40, 0.45);
}

.page-faq .tut-demo__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-faq .tut-demo__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .tut-demo .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  border-radius: 2px;
}

.page-faq .tut-next {
  display: grid;
  gap: 14px;
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 1px solid var(--line);
}

.page-faq .tut-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-faq .tut-next__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .tut-next__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .tut-next__list a {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--accent-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.35);
  padding-bottom: 2px;
}

.page-faq .tut-next__list a:hover,
.page-faq .tut-next__list a:focus-visible {
  border-bottom-color: var(--accent);
}

@keyframes tutFadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .tut-topic[open] .tut-topic__body {
  animation: tutFadeUp 0.22s var(--ease) both;
}

@media (min-width: 720px) {
  .page-faq .tut-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 250px);
    align-items: end;
  }

  .page-faq .tut-hero__plate {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 18px 20px;
  }

  .page-faq .tut-hero__plate-rule {
    width: 100%;
    height: 1px;
    align-self: auto;
  }

  .page-faq .tut-step__text p {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .tut-topic__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .tut-topic__tag {
    display: flex;
  }

  .page-faq .tut-topic__summary {
    gap: 6px 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-topic[open] .tut-topic__body {
    animation: none;
  }

  .page-faq .tut-topic,
  .page-faq .tut-topic__title,
  .page-faq .tut-step__num,
  .page-faq .tut-topic__sign::before,
  .page-faq .tut-topic__sign::after,
  .page-faq .tut-index__link {
    transition: none;
  }
}
<<<END>>>