.page-faq {
  --faq-accent: var(--neon);
  --faq-sub-accent: var(--blue);
  --faq-bg-card: rgba(17, 24, 39, 0.78);
  --faq-pad: clamp(16px, 3vw, 32px);
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 191, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: var(--bg-deep);
  overflow: clip;
}

.page-faq .faq-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(11, 15, 26, 0.95) 0%, rgba(11, 15, 26, 0.74) 55%, rgba(11, 15, 26, 0.38) 100%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 2 * var(--space)), var(--container-w));
  margin-inline: auto;
  padding: clamp(48px, 9vw, 96px) 0 clamp(52px, 8vw, 80px);
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 40px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-sub);
}

.page-faq .faq-breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-breadcrumb a:hover {
  color: var(--faq-accent);
}

.page-faq .faq-breadcrumb-sep {
  opacity: 0.5;
  font-family: var(--number-font);
}

.page-faq .faq-hero-heading {
  display: grid;
  gap: 10px;
}

.page-faq .faq-hero-kicker {
  justify-self: start;
  display: inline-block;
  padding: 8px 14px;
  background: var(--faq-accent);
  color: var(--bg-deep);
  font-family: var(--number-font);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-faq .faq-hero-title {
  margin: 0;
  font-family: var(--head-font);
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.08;
  color: var(--text-main);
  max-width: 9em;
}

.page-faq .faq-hero-lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-sub);
}

.page-faq .faq-search-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 14px 18px;
  background: rgba(17, 24, 39, 0.86);
  border: 1px solid var(--line);
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  min-width: min(100%, 460px);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-search-box:hover {
  border-color: var(--faq-accent);
  box-shadow: 0 0 0 1px var(--faq-accent), 0 0 28px rgba(0, 255, 136, 0.14);
}

.page-faq .faq-search-glyph {
  display: inline-flex;
  flex: none;
  color: var(--faq-accent);
}

.page-faq .faq-search-tag {
  margin-left: auto;
  font-family: var(--number-font);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--faq-sub-accent);
  border: 1px solid rgba(0, 191, 255, 0.34);
  padding: 2px 8px;
  white-space: nowrap;
}

.page-faq .faq-hero-meta {
  position: absolute;
  right: max(var(--space), 16px);
  bottom: 12px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-sub);
}

.page-faq .faq-hero-meta-sep {
  color: var(--faq-sub-accent);
  opacity: 0.8;
}

.page-faq .faq-body {
  width: min(calc(100% - 2 * var(--space)), var(--container-w));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: var(--space) 0;
}

.page-faq .faq-side {
  display: grid;
  gap: 20px;
  padding: 20px;
  background: rgba(17, 24, 39, 0.62);
  border: 1px solid var(--line);
}

.page-faq .faq-side-label {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--faq-accent);
  font-family: var(--number-font);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-sub);
}

.page-faq .faq-side-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-side-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-top: 2px solid transparent;
  background: rgba(11, 15, 26, 0.5);
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-side-link:hover,
.page-faq .faq-side-link:focus-visible {
  color: var(--faq-accent);
  border-top-color: var(--faq-accent);
}

.page-faq .faq-side-index {
  font-family: var(--number-font);
  font-size: 12px;
  color: var(--faq-sub-accent);
  flex: none;
}

.page-faq .faq-side-note {
  padding: 16px;
  border-left: 2px solid var(--faq-sub-accent);
  background: var(--bg-card);
}

.page-faq .faq-side-note-title {
  margin: 0 0 10px;
  font-family: var(--number-font);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-accent);
}

.page-faq .faq-side-note-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-faq .faq-side-note-list li {
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--number-font);
  font-size: 13px;
  color: var(--text-sub);
}

.page-faq .faq-content {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-cat {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-cat-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: clamp(28px, 5vw, 52px) 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cat-index,
.page-faq .faq-guide-index {
  font-family: var(--number-font);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--bg-card);
  -webkit-text-stroke: 1px var(--faq-accent);
  text-shadow: 0 0 16px rgba(0, 255, 136, 0.28);
  flex: none;
}

.page-faq .faq-cat-title {
  margin: 0;
  font-family: var(--head-font);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--text-main);
}

.page-faq .faq-cat-count {
  margin-left: auto;
  font-family: var(--number-font);
  font-size: 12px;
  color: var(--text-sub);
  white-space: nowrap;
}

.page-faq .faq-item {
  scroll-margin-top: calc(var(--header-h) + 20px);
  margin-top: 10px;
  background: var(--faq-bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-sub-accent);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-accent);
  background-color: rgba(17, 24, 39, 0.96);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-main);
}

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

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--number-font);
  font-size: 18px;
  font-weight: 400;
  color: var(--faq-sub-accent);
  flex: none;
  transition: color 0.25s var(--ease);
}

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

.page-faq .faq-item-no {
  font-family: var(--number-font);
  font-size: 12px;
  font-weight: 400;
  color: var(--faq-accent);
  text-decoration: none;
  flex: none;
}

.page-faq .faq-item-q {
  min-width: 0;
}

.page-faq .faq-item-a {
  padding: 0 20px 18px 56px;
  border-top: 1px dashed var(--line);
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-faq .faq-item-a p {
  margin: 14px 0 0;
}

.page-faq .faq-item-a a {
  color: var(--faq-sub-accent);
  text-underline-offset: 3px;
}

.page-faq .faq-mail {
  color: var(--faq-accent);
  font-family: var(--number-font);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.page-faq .faq-item[open] .faq-item-a {
  animation: faq-fade-in 0.3s var(--ease);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-guide {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--faq-accent);
}

.page-faq .faq-guide-text {
  padding: var(--faq-pad);
}

.page-faq .faq-guide-title,
.page-faq .faq-more-help-title {
  margin: 12px 0 16px;
  font-family: var(--head-font);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  color: var(--text-main);
}

.page-faq .faq-guide-list {
  counter-reset: faq-guide;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-guide-list li {
  counter-increment: faq-guide;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-sub);
}

.page-faq .faq-guide-list li::before {
  content: "0" counter(faq-guide);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--number-font);
  font-size: 12px;
  color: var(--faq-accent);
  border: 1px solid var(--line);
  padding: 2px 6px;
}

.page-faq .faq-guide-note {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--text-sub);
}

.page-faq .faq-guide-note a {
  color: var(--faq-sub-accent);
  text-underline-offset: 3px;
}

.page-faq .faq-guide-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-top: 1px solid var(--line);
}

.page-faq .faq-more-help {
  margin-top: 44px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(11, 15, 26, 0) 38%),
    var(--bg-card);
  border: 1px solid var(--line);
}

.page-faq .faq-more-help::before {
  content: "SUPPORT // 2026";
  position: absolute;
  right: 6px;
  bottom: -8px;
  font-family: var(--number-font);
  font-size: clamp(64px, 10vw, 128px);
  line-height: 1;
  color: rgba(0, 255, 136, 0.05);
  pointer-events: none;
}

.page-faq .faq-more-help-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  padding: clamp(24px, 5vw, 46px);
}

.page-faq .faq-more-help-copy p {
  margin: 0;
  color: var(--text-sub);
  line-height: 1.7;
}

.page-faq .faq-more-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-more-help-mail {
  display: grid;
  gap: 8px;
  padding: 18px;
  background: rgba(11, 15, 26, 0.6);
  border: 1px solid var(--line);
  min-width: 0;
}

.page-faq .faq-more-help-mail-label {
  font-family: var(--number-font);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-sub);
}

.page-faq .faq-more-help-mail-addr {
  font-size: clamp(14px, 2vw, 18px);
  color: var(--faq-accent);
  overflow-wrap: anywhere;
  word-break: break-all;
}

.page-faq .faq-more-help-time {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.06em;
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: flex-start;
    gap: 48px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    display: grid;
    gap: 22px;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .page-faq .faq-side-nav {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-faq .faq-side-link {
    border: 0;
    border-left: 1px solid var(--line);
    padding: 12px 0 12px 16px;
    background: transparent;
  }

  .page-faq .faq-side-link::after {
    content: "";
    width: 6px;
    height: 6px;
    margin-left: auto;
    background: var(--faq-sub-accent);
    opacity: 0;
    transition: opacity 0.25s var(--ease);
  }

  .page-faq .faq-side-link:hover::after,
  .page-faq .faq-side-link:focus-visible::after {
    opacity: 1;
  }

  .page-faq .faq-side-link:hover,
  .page-faq .faq-side-link:focus-visible {
    color: var(--faq-accent);
    border-top-color: transparent;
    border-left-color: var(--faq-accent);
  }

  .page-faq .faq-guide {
    grid-template-columns: 1.05fr 1fr;
    align-items: stretch;
  }

  .page-faq .faq-guide-img {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-more-help-grid {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 32px;
  }

  .page-faq .faq-more-help-mail {
    min-width: 360px;
  }
}