.page-faq {
  --faq-accent: var(--c-celadon);
  --faq-pad: clamp(16px, 3vw, 28px);
  background: var(--c-abyss);
  color: var(--c-mist);
}

.page-faq .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 2.4vw, 28px) clamp(36px, 6vw, 76px);
  background-color: var(--c-abyss);
  border-bottom: 1px solid var(--line);
}

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

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

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .faq-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-faq .faq-lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 36em;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-faq .faq-jump {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-jump-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  border-top: 1px solid var(--line);
  color: var(--c-paper);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump-code {
  color: var(--c-orange);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-faq .faq-jump-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-sand);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  color: var(--c-orange-lift);
  border-top-color: var(--c-orange);
  transform: translateX(2px);
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .faq-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--c-panel);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-faq .faq-media--wide {
  aspect-ratio: 12 / 7;
}

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

.page-faq .media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-sand);
}

/* ---------- Body layout ---------- */
.page-faq .faq-body {
  padding-block: clamp(36px, 5.6vw, 80px);
  background: var(--c-abyss);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-index {
  border-left: 2px solid var(--c-steel);
  padding-left: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-sand);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  color: var(--c-mist);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 15px;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index-num {
  font-size: 12px;
  color: var(--c-orange);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-orange);
}

.page-faq .faq-index-note {
  margin-top: 22px;
  padding: 16px;
  background: var(--c-panel);
  border: 1px solid var(--line);
}

.page-faq .faq-index-note p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-index-btn {
  display: inline-block;
  font-size: 14px;
  padding: 10px 18px;
}

/* ---------- Groups ---------- */
.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-group--arrive { --faq-accent: var(--c-celadon); }
.page-faq .faq-group--version { --faq-accent: var(--c-sand); }
.page-faq .faq-group--export { --faq-accent: var(--c-orange); }
.page-faq .faq-group--support { --faq-accent: var(--c-mist); }

.page-faq .faq-group-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group-num {
  flex: 0 0 auto;
  font-size: clamp(30px, 4.6vw, 50px);
  line-height: 0.86;
  font-weight: 500;
  color: var(--faq-accent);
}

.page-faq .faq-group-headtext h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 2.8vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-faq .faq-group-desc {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-group:target .faq-group-head {
  border-bottom-color: var(--faq-accent);
}

/* ---------- Accordion ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--c-panel);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 14px 18px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--faq-accent);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-faq .faq-item-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-accent);
  padding-top: 3px;
}

.page-faq .faq-item-q {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.5;
  color: var(--c-paper);
}

.page-faq .faq-item[open] .faq-item-q {
  color: var(--c-orange-lift);
}

.page-faq .faq-item summary:hover .faq-item-q,
.page-faq .faq-item summary:focus-visible .faq-item-q {
  color: var(--c-orange-lift);
}

.page-faq .faq-item-a {
  padding: 0 16px 22px 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .faq-item-a p {
  margin: 0 0 10px;
}

.page-faq .faq-item-a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 10px 0 12px;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 32px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.28em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-accent);
}

.page-faq .faq-hint {
  margin: 0;
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--faq-accent);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-item-a a.link-underline {
  color: var(--c-paper);
}

/* ---------- Closing ---------- */
.page-faq .faq-close {
  padding-block: clamp(36px, 5.6vw, 76px);
  background: var(--c-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-close-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-close-figure {
  margin: 0;
}

.page-faq .faq-close-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-faq .faq-close-copy > p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

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

.page-faq .faq-close-meta {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-sand);
}

/* ---------- Breakpoints ---------- */
@media (min-width: 600px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-faq .faq-index-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-hero-figure {
    margin-top: 14px;
  }

  .page-faq .faq-close-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-faq .faq-index-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-item summary {
    padding: 20px 18px 20px 4px;
  }

  .page-faq .faq-item-a {
    padding: 0 48px 24px 4px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump-link,
  .page-faq .faq-index-link,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-jump-link:hover,
  .page-faq .faq-jump-link:focus-visible {
    transform: none;
  }
}
<<<END>>>