.page-faq {
  --faq-primary-glow: rgba(0,255,136,.28);
  --faq-violet-glow: rgba(155,80,255,.24);
  --faq-orange-glow: rgba(255,122,0,.24);
  --faq-card-glow: rgba(0,255,136,.16);
  background:
    radial-gradient(1200px 620px at 88% -6%, rgba(155,80,255,.14), transparent 62%),
    linear-gradient(180deg, rgba(10,17,32,.32) 0, var(--bg-ink) 260px);
}

.page-faq .breadcrumb {
  margin-top: calc(var(--pad) * .8);
}

.page-faq__hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding-top: calc(var(--pad) * .9);
  padding-bottom: calc(var(--pad) * 1.05);
  border: 1px solid var(--border-line);
  background:
    linear-gradient(135deg, rgba(0,255,136,.06) 0%, transparent 32%),
    linear-gradient(180deg, var(--bg-deep) 0%, rgba(10,17,32,.9) 100%);
  box-shadow: var(--shadow);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, transparent 0 16px, rgba(255,122,0,.045) 16px 17px);
  pointer-events: none;
}

.page-faq__hero-copy {
  position: relative;
  z-index: 1;
}

.page-faq__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
}

.page-faq__kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--faq-primary-glow);
}

.page-faq h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text-light);
  margin: 0 0 14px;
}

.page-faq__hero-lead {
  max-width: 58ch;
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq__hero-guide {
  position: relative;
  overflow: hidden;
  background: rgba(10,17,32,.56);
  border: 1px solid var(--border-line);
  padding: 18px 16px 16px;
  z-index: 1;
}

.page-faq__hero-guide::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -22%;
  width: 70%;
  height: 150%;
  background: repeating-linear-gradient(-45deg, transparent 0 7px, rgba(255,122,0,.05) 7px 8px);
  pointer-events: none;
}

.page-faq__guide-label {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--primary);
}

.page-faq__guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq__guide-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 10px;
  background: rgba(27,42,68,.55);
  border: 1px solid var(--border-line);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.page-faq__guide-link:hover {
  border-color: var(--primary);
  background: rgba(0,255,136,.07);
  transform: translateY(-2px);
}

.page-faq__guide-num {
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--primary);
}

.page-faq__guide-note {
  position: relative;
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  z-index: 1;
}

.page-faq__layout {
  display: grid;
  gap: calc(var(--pad) * .9);
  padding-top: calc(var(--pad) * .8);
  padding-bottom: calc(var(--pad) * 1.4);
}

.page-faq__index {
  background: var(--surface);
  border: 1px solid var(--border-line);
  padding: 18px 18px 16px;
  box-shadow: 0 6px 24px rgba(0,0,0,.24);
}

.page-faq__index-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-light);
}

.page-faq__index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq__index-list::-webkit-scrollbar {
  display: none;
}

.page-faq__index-list li {
  flex-shrink: 0;
  margin: 0;
  padding: 0;
}

.page-faq__index-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(10,17,32,.4);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq__index-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(0,255,136,.06);
}

.page-faq__index-num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--accent-orange);
}

.page-faq__index-count {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--text-muted);
}

.page-faq__index-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(0,255,136,.05);
  border-left: 2px solid var(--primary);
}

.page-faq__status-label {
  font-size: 13px;
  color: var(--text-muted);
}

.page-faq__status-value {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.page-faq__panels {
  min-width: 0;
}

.page-faq__section {
  --section-color: var(--primary);
  --section-glow: var(--faq-primary-glow);
  margin-bottom: clamp(36px, 7vw, 64px);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq__section--data {
  --section-color: var(--accent-violet);
  --section-glow: var(--faq-violet-glow);
}

.page-faq__section--update {
  --section-color: var(--accent-orange);
  --section-glow: var(--faq-orange-glow);
}

.page-faq__section--contact {
  --section-color: var(--primary);
  --section-glow: var(--faq-primary-glow);
}

.page-faq__section:target {
  background: linear-gradient(90deg, rgba(0,255,136,.05), transparent 70%);
}

.page-faq__section .section__header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--section-color);
}

.page-faq__section .section__index {
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--section-color);
}

.page-faq__header-text {
  flex: 1;
  min-width: 0;
}

.page-faq__section .section__title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  color: var(--text-light);
}

.page-faq__section .section__subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.page-faq__qa {
  position: relative;
  margin-bottom: 12px;
  background: linear-gradient(180deg, rgba(27,42,68,.82) 0%, rgba(16,42,67,.72) 100%);
  border: 1px solid var(--border-line);
  box-shadow: 0 6px 20px rgba(0,0,0,.18);
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.page-faq__qa::before,
.page-faq__qa::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  z-index: 1;
}

.page-faq__qa::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--section-color);
  border-left: 1px solid var(--section-color);
}

.page-faq__qa::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--section-color);
  border-right: 1px solid var(--section-color);
}

.page-faq__qa[open] {
  background: linear-gradient(180deg, rgba(27,42,68,.95) 0%, rgba(16,42,67,.88) 100%);
  border-color: var(--section-color);
  box-shadow: 0 8px 30px rgba(0,0,0,.28), 0 0 18px var(--section-glow);
}

.page-faq__qa summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

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

.page-faq__qa summary:focus-visible {
  outline: 2px solid var(--section-color);
  outline-offset: -2px;
}

.page-faq__qa-index {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--section-color);
  white-space: nowrap;
}

.page-faq__qa-index::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--section-color);
  box-shadow: 0 0 10px var(--section-glow);
}

.page-faq__qa-title {
  flex: 1;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-light);
}

.page-faq__qa-toggle {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid var(--border-line);
  border-radius: 2px;
  transition: border-color .25s ease;
}

.page-faq__qa-toggle::before,
.page-faq__qa-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--text-muted);
  transition: background .25s ease, transform .3s ease;
}

.page-faq__qa-toggle::before {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq__qa-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq__qa[open] .page-faq__qa-toggle {
  border-color: var(--section-color);
}

.page-faq__qa[open] .page-faq__qa-toggle::before,
.page-faq__qa[open] .page-faq__qa-toggle::after {
  background: var(--section-color);
}

.page-faq__qa[open] .page-faq__qa-toggle::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.page-faq__qa[open] .page-faq__qa-toggle::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.page-faq__qa-body {
  margin: 0 18px 16px;
  padding: 16px 0 8px;
  border-top: 1px dashed var(--border-line);
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq__qa-body p {
  margin: 0 0 8px;
}

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

.page-faq__qa-body code {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--primary);
  background: rgba(0,255,136,.08);
  border: 1px solid rgba(0,255,136,.18);
  padding: 2px 7px;
  border-radius: 2px;
}

.page-faq__qa-body::after {
  content: "";
  display: block;
  height: 6px;
  margin-top: 14px;
  background: repeating-linear-gradient(90deg, var(--border-line) 0 2px, transparent 2px 5px);
  opacity: .7;
}

.page-faq__figure {
  margin: 18px 0 0;
  max-width: 520px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border-line);
  box-shadow: 0 6px 24px rgba(0,0,0,.22);
}

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

.page-faq__figure--flow {
  margin-top: 4px;
  max-width: 480px;
}

.page-faq__figure-caption {
  margin: 0;
  padding: 10px 2px 4px;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--text-muted);
}

.page-faq__figure-caption::before {
  content: "▙ ";
  color: var(--accent-orange);
}

.page-faq__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  padding: 20px;
  background: linear-gradient(90deg, rgba(0,255,136,.08), transparent 70%);
  border: 1px solid var(--border-line);
}

@media (min-width: 760px) {
  .page-faq__hero {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    align-items: center;
  }

  .page-faq__hero-guide {
    justify-self: end;
    width: 100%;
  }

  .page-faq__layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-faq__index {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-faq__index-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq__index-list li {
    flex-shrink: 1;
  }

  .page-faq__index-link {
    white-space: normal;
    transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
  }

  .page-faq__index-link:hover {
    transform: translateX(4px);
  }

  .page-faq__index-count {
    margin-left: auto;
  }

  .page-faq__index-status {
    margin-top: 16px;
  }

  .page-faq__qa-body {
    font-size: 15px;
  }

  .page-faq__qa-title {
    font-size: 16px;
  }
}

@media (min-width: 1080px) {
  .page-faq__hero {
    padding-top: calc(var(--pad) * 1.1);
    padding-bottom: calc(var(--pad) * 1.2);
  }

  .page-faq__layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}