.page-faq {
  --faq-grid: rgba(57, 255, 136, 0.05);
  --faq-muted: rgba(230, 241, 255, 0.62);
  background-color: var(--color-night);
  background-image:
    linear-gradient(var(--faq-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  color: var(--color-text-light);
  overflow-x: clip;
}

.page-faq .faq-hero-wrap {
  padding-top: 32px;
}

.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  margin-top: 22px;
  padding-bottom: 48px;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: 0 0 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(230, 241, 255, 0.78);
  max-width: 46em;
}

.page-faq .faq-hero-meta {
  display: grid;
  gap: 10px;
  border-left: 2px solid var(--color-green);
  padding-left: 14px;
}

.page-faq .faq-hero-meta-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero-meta-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-hero-meta-value {
  font-size: 0.9rem;
  color: var(--color-green);
}

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

.page-faq .faq-hero-figure::before {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  width: 56px;
  height: 56px;
  border-top: 2px solid var(--color-green);
  border-left: 2px solid var(--color-green);
  opacity: 0.7;
}

.page-faq .faq-hero-figure::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 72px;
  height: 72px;
  border-right: 3px solid var(--color-orange);
  border-bottom: 3px solid var(--color-orange);
  opacity: 0.45;
  pointer-events: none;
}

.page-faq .faq-hero-figure img,
.page-faq .faq-migrate-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-hero-figure figcaption,
.page-faq .faq-migrate-figure figcaption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--color-green);
  color: var(--faq-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.5;
}

.page-faq .faq-section {
  padding: 56px 0;
}

.page-faq .faq-section--migrate {
  position: relative;
  background: linear-gradient(180deg, rgba(19, 41, 75, 0.72), rgba(19, 41, 75, 0.08));
}

.page-faq .faq-section--migrate::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-green) 0 28%, transparent 28% 52%, var(--color-orange) 52% 72%, transparent 72%);
  opacity: 0.45;
}

.page-faq .faq-section-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 34px;
  border-left: 3px solid var(--color-green);
  padding-left: 18px;
}

.page-faq .faq-section-index {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: var(--color-green);
  opacity: 0.88;
  flex: 0 0 auto;
}

.page-faq .faq-section-head-main {
  min-width: 0;
}

.page-faq .faq-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text-light);
  text-wrap: balance;
}

.page-faq .faq-toc-count {
  margin-left: auto;
  margin-top: 4px;
  padding: 6px 10px;
  border: 1px solid var(--color-line);
  color: var(--color-green);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-faq .faq-toc {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(180deg, rgba(19, 41, 75, 0.5), rgba(19, 41, 75, 0.12));
}

.page-faq .faq-toc-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-toc-list li {
  background: var(--color-night-2);
}

.page-faq .faq-toc-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 12px 16px;
  color: var(--color-text-light);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.4;
  transition: background 0.25s ease, color 0.25s ease;
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  background: rgba(57, 255, 136, 0.08);
  color: var(--color-green);
  outline: none;
}

.page-faq .faq-toc-num {
  flex: 0 0 2ch;
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--color-green);
}

.page-faq .faq-stats {
  padding-top: 28px !important;
  padding-bottom: 28px !important;
}

.page-faq .faq-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-faq .faq-stat {
  padding: 16px 14px;
  border: 1px solid var(--color-line);
  border-top: 2px solid var(--color-green);
  background: rgba(57, 255, 136, 0.05);
}

.page-faq .faq-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-green);
}

.page-faq .faq-stat span {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-list {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--color-night-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-green), var(--color-orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.page-faq .faq-item[open]::before,
.page-faq .faq-item:target::before {
  transform: scaleX(1);
}

.page-faq .faq-item:hover {
  border-color: rgba(57, 255, 136, 0.4);
}

.page-faq .faq-item:target {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(57, 255, 136, 0.14), var(--shadow-card);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 20px 20px 24px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-text-light);
  transition: background 0.2s ease;
}

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

.page-faq .faq-item summary:hover {
  background: rgba(57, 255, 136, 0.035);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: -2px;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--color-green);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  background: var(--color-green);
  color: var(--color-night);
  border-color: var(--color-green);
}

.page-faq .faq-q-index {
  flex: 0 0 2.2ch;
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-orange);
}

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

.page-faq .faq-a {
  margin: 0 24px 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-line);
  color: rgba(230, 241, 255, 0.82);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-reveal 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a ul {
  margin: 0 0 12px;
  padding-left: 18px;
}

.page-faq .faq-a li {
  margin-bottom: 8px;
}

.page-faq .faq-a a {
  color: var(--color-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
  transition: border-color 0.2s ease;
}

.page-faq .faq-a a:hover {
  border-color: var(--color-green);
}

.page-faq .faq-migrate-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-migrate-figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-migrate-figure::after {
  content: "";
  position: absolute;
  top: -8px;
  right: -8px;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, transparent 42%, var(--color-green) 42% 58%, transparent 58%);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-service-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 34px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 107, 53, 0.32);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(255, 140, 90, 0.04));
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-faq .faq-service-note p {
  margin: 0;
}

.page-faq .faq-service-note a {
  color: var(--color-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
}

.page-faq .faq-service-note-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  background: var(--color-orange);
  color: var(--color-night);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 900;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 640px) {
  .page-faq .faq-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-hero-meta {
    grid-template-columns: repeat(3, auto);
    gap: 24px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-section {
    padding: 84px 0;
  }

  .page-faq .faq-toc-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-toc-list a {
    min-height: 52px;
    padding: 14px 18px;
  }

  .page-faq .faq-migrate-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 44px;
  }

  .page-faq .faq-migrate-figure {
    position: sticky;
    top: 96px;
    margin-top: 8px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-toc-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-list {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-item::before,
  .page-faq .faq-item summary::after,
  .page-faq .faq-item summary,
  .page-faq .faq-toc-list a {
    transition: none;
  }
}