.page-faq {
  --faq-side-w: 280px;
  --faq-gap: 36px;
  --faq-glow: 0 0 0 1px rgba(0, 255, 135, 0.35), 0 0 18px rgba(0, 255, 135, 0.1);
  background: var(--color-bg-main);
  min-height: 60vh;
}

.page-faq .faq-hero {
  position: relative;
  padding: 40px 16px 28px;
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(115deg, rgba(0, 255, 135, 0.1), transparent 42%),
    linear-gradient(30deg, var(--color-bg-secondary), var(--color-bg-main) 78%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), rgba(0, 255, 135, 0.1));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 100%, 0 100%);
}

.page-faq .faq-hero-stripe {
  position: absolute;
  right: -80px;
  top: 20px;
  width: 160px;
  height: 180px;
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.12), rgba(255, 199, 44, 0.04));
  clip-path: polygon(30% 0%, 100% 20%, 80% 100%, 0% 70%);
  pointer-events: none;
}

.page-faq .faq-breadcrumb,
.page-faq .faq-hero-row {
  position: relative;
  z-index: 1;
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.page-faq .faq-crumb {
  color: var(--color-text-muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-crumb:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-faq .faq-crumb-sep {
  color: var(--color-text-index);
}

.page-faq .faq-crumb-here {
  color: var(--color-text-main);
}

.page-faq .faq-h1 {
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 12px;
  color: var(--color-text-main);
  font-weight: 900;
  letter-spacing: 0.5px;
}

.page-faq .faq-hero-lead {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
  max-width: 56ch;
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 24px 0 0;
}

.page-faq .faq-hero-stat {
  background: rgba(0, 255, 135, 0.06);
  border: 1px solid rgba(0, 255, 135, 0.15);
  padding: 12px 14px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-faq .faq-hero-stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.3em;
}

.page-faq .faq-hero-stat dd {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 4px 0 0;
}

.page-faq .faq-layout {
  display: block;
  padding: 24px 16px 48px;
}

.page-faq .faq-sidebar {
  margin: 0 0 20px;
  padding: 14px 0 0;
  background: var(--color-bg-main);
}

.page-faq .faq-sidebar-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-text-index);
  margin: 0 0 8px;
}

.page-faq .faq-sidebar-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-faq .faq-index-link {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.page-faq .faq-index-link:hover {
  border-color: rgba(0, 255, 135, 0.5);
  color: var(--color-text-main);
  box-shadow: var(--faq-glow);
}

.page-faq .faq-index-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
}

.page-faq .faq-index-note {
  display: none;
}

.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 12px);
  margin-bottom: 32px;
}

.page-faq .faq-section-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  color: var(--color-text-main);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.page-faq .faq-section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 44px;
  background: var(--color-accent);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 100%, 0 100%);
}

.page-faq .faq-section-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 255, 135, 0.38);
  box-shadow: 0 0 0 1px rgba(0, 255, 135, 0.12), 0 6px 22px rgba(0, 255, 135, 0.07);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 255, 135, 0.3);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 3px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--transition-fast);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 0 100%);
  z-index: 2;
}

.page-faq .faq-item:hover::before,
.page-faq .faq-item[open]::before {
  opacity: 1;
}

.page-faq .faq-question {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  padding: 16px 18px;
  margin: 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-main);
  transition: background var(--transition-fast);
  user-select: none;
}

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

.page-faq .faq-question:hover {
  background: rgba(0, 255, 135, 0.04);
}

.page-faq .faq-question::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 14px;
  transition: transform var(--transition-fast);
}

.page-faq .faq-item[open] .faq-question::after {
  content: "－";
}

.page-faq .faq-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
  background: rgba(255, 199, 44, 0.1);
  border: 1px solid rgba(255, 199, 44, 0.25);
  padding: 2px 6px;
  white-space: nowrap;
}

.page-faq .faq-answer {
  padding: 0 18px 18px 42px;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.85;
}

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

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

.page-faq .faq-figure {
  width: 100%;
  max-width: 560px;
  margin: 16px 0 0;
  padding: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
}

.page-faq .faq-img {
  width: 100%;
  height: auto;
  display: block;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-text-index);
  text-align: right;
}

.page-faq .faq-contact-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: 20px;
  display: grid;
  gap: 0;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

.page-faq .faq-contact-row:first-of-type {
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-text-index);
  white-space: nowrap;
}

.page-faq .faq-contact-value {
  font-size: 14px;
  color: var(--color-text-main);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 16px 0 0;
  padding: 14px;
  background: rgba(0, 255, 135, 0.05);
  border-left: 2px solid var(--color-accent);
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-faq .faq-inline-link {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 135, 0.4);
  padding-bottom: 1px;
  transition: border-color var(--transition-fast);
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--color-accent);
}

@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding: 56px 48px 40px;
  }

  .page-faq .faq-hero-row {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-breadcrumb {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
  }

  .page-faq .faq-h1 {
    font-size: 34px;
  }

  .page-faq .faq-hero-lead {
    font-size: 15px;
  }

  .page-faq .faq-hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin: 0;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    padding: 48px;
    max-width: var(--container-max);
    margin: 0 auto;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    margin: 0;
    padding: 20px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
  }

  .page-faq .faq-sidebar-nav {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index-link {
    justify-content: flex-start;
    padding: 11px 14px;
    font-size: 14px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
  }

  .page-faq .faq-index-link:hover {
    border-left-color: var(--color-accent);
    background: rgba(0, 255, 135, 0.06);
  }

  .page-faq .faq-index-note {
    display: block;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    font-size: 12px;
    line-height: 1.7;
    color: var(--color-text-index);
  }

  .page-faq .faq-contact-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-contact-value {
    text-align: right;
  }
}