.page-faq {
  --faq-line: rgba(226, 216, 198, 0.16);
  --faq-line-soft: rgba(226, 216, 198, 0.08);
  --faq-line-strong: rgba(226, 216, 198, 0.34);
  --faq-dir-w: 264px;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  padding: calc(var(--header-h) + 22px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: 0;
  width: 180px;
  height: 62%;
  background: repeating-linear-gradient(
    to bottom,
    var(--faq-line-soft) 0 1px,
    transparent 1px 13px
  );
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
  margin-top: 18px;
}

.page-faq h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-faq .faq-lede {
  max-width: 60ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(244, 238, 227, 0.82);
}

.page-faq .faq-hero-side {
  border-top: 1px solid var(--faq-line-strong);
  padding-top: 16px;
}

.page-faq .faq-side-cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog-dark);
}

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

.page-faq .faq-jump li + li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-jump a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 11px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-jump a .num {
  font-size: 12px;
  color: var(--fog-dark);
  letter-spacing: 0.04em;
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-jump a:hover .num,
.page-faq .faq-jump a:focus-visible .num {
  color: var(--orange-soft);
}

.page-faq .faq-hero-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog-dark);
}

/* ---------- layout ---------- */
.page-faq .faq-body {
  padding: clamp(28px, 5vw, 60px) 0 clamp(48px, 7vw, 92px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 30px);
  align-items: start;
}

/* ---------- directory ---------- */
.page-faq .faq-dir {
  border-top: 1px solid var(--faq-line-strong);
  padding-top: 14px;
}

.page-faq .faq-dir-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fog-dark);
}

.page-faq .faq-dir-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-dir-list li {
  flex: 0 0 auto;
  width: 196px;
}

.page-faq .faq-dir-list a {
  display: block;
  min-height: 44px;
  padding: 12px 14px;
  border: 1px solid var(--faq-line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-dir-list a:hover,
.page-faq .faq-dir-list a:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 91, 30, 0.08);
}

.page-faq .faq-dir-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .faq-dir-name {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-dir-desc {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--fog-dark);
}

/* ---------- group ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 6vw, 64px);
  padding-top: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 20px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 0.86;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-faq .faq-group-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.05;
}

.page-faq .faq-group-sub {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog-dark);
}

/* ---------- figure ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-figure .media-caption {
  display: block;
  padding: 10px 12px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog-dark);
}

/* ---------- accordion ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-list .qa:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog-dark);
  transition: color 0.18s var(--ease);
}

.page-faq .qa-q {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa[open] .qa-idx {
  color: var(--orange);
}

.page-faq .qa[open] .qa-q {
  color: var(--orange-soft);
}

.page-faq .qa-mark {
  position: relative;
  width: 14px;
  height: 14px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
  background: var(--orange);
  transition: transform 0.18s var(--ease);
}

.page-faq .qa-mark::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa-mark::after {
  transform: rotate(0deg);
}

.page-faq .qa-body {
  margin: 0 0 18px;
  padding: 18px 18px 20px;
  background: var(--paper);
  color: var(--ink-text);
  border-left: 3px solid var(--orange);
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .qa-body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-steps {
  counter-reset: step;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .qa-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .qa-steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  height: 22px;
  margin-top: 3px;
  background: var(--orange);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border-radius: 2px;
}

.page-faq .qa-body .qa-steps li::before {
  background: var(--orange);
}

.page-faq .qa-link {
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color 0.18s var(--ease);
}

.page-faq .qa-link:hover,
.page-faq .qa-link:focus-visible {
  color: var(--orange);
}

/* ---------- help ---------- */
.page-faq .faq-help {
  margin-top: clamp(36px, 6vw, 64px);
  padding: clamp(22px, 4vw, 40px);
  background: var(--ink-950);
  border: 1px solid var(--faq-line-strong);
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-help-main h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.06;
}

.page-faq .faq-help-main .qa-steps {
  margin-bottom: 16px;
}

.page-faq .faq-help-main .qa-steps li {
  color: rgba(244, 238, 227, 0.86);
  font-size: 15.5px;
}

.page-faq .faq-help-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog-dark);
}

.page-faq .faq-help-note a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-faq .faq-help-note a:hover {
  color: var(--orange);
}

.page-faq .faq-help-side {
  border-top: 1px solid var(--faq-line);
  padding-top: 18px;
}

.page-faq .faq-contact-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog-dark);
}

.page-faq .faq-contact-value {
  margin: 6px 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help-side .copy-btn {
  margin-bottom: 4px;
}

.page-faq .faq-help-side .copy-status {
  min-height: 18px;
  margin: 4px 0 18px;
  font-size: 12px;
  color: var(--teal);
}

.page-faq .faq-contact-note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog-dark);
}

/* ---------- breakpoints ---------- */
@media (min-width: 760px) {
  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-faq .faq-help-side {
    border-top: 0;
    border-left: 1px solid var(--faq-line);
    padding-top: 0;
    padding-left: clamp(20px, 3vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-hero-side {
    border-top: 0;
    border-left: 1px solid var(--faq-line-strong);
    padding-top: 0;
    padding-left: clamp(18px, 2.4vw, 28px);
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-dir-w) minmax(0, 1fr);
    gap: clamp(28px, 4.2vw, 64px);
  }

  .page-faq .faq-dir-inner {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
  }

  .page-faq .faq-dir-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-dir-list li {
    width: auto;
  }

  .page-faq .faq-dir-list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-dir-list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: 10px 0 10px 14px;
  }

  .page-faq .faq-dir-list a:hover,
  .page-faq .faq-dir-list a:focus-visible {
    border-left-color: var(--orange);
    background: transparent;
  }

  .page-faq .qa summary {
    padding: 18px 4px 18px 0;
  }

  .page-faq .qa-body {
    padding: 22px 26px 24px;
    margin-bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-jump a .num,
  .page-faq .qa-idx,
  .page-faq .qa-q,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .faq-dir-list a {
    transition: none;
  }
}
<<<END>>>