.page-faq {
  --faq-line: rgba(192, 200, 208, 0.22);
  background:
    radial-gradient(circle at 88% 2%, rgba(138, 109, 233, 0.16) 0%, transparent 26%),
    radial-gradient(circle at 8% 45%, rgba(78, 225, 225, 0.08) 0%, transparent 22%),
    linear-gradient(180deg, rgba(11, 30, 58, 0.9) 0%, rgba(11, 30, 58, 1) 60%);
}

.page-faq .breadcrumbs {
  padding: 1.25rem 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .breadcrumbs a {
  color: var(--color-muted);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--color-cyan);
}

.page-faq .breadcrumbs .breadcrumbs__current {
  color: var(--color-ink);
  font-weight: 600;
}

.faq-hero {
  position: relative;
  overflow: hidden;
  padding: 2.25rem 0 2.75rem;
}

.faq-hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 14%;
  width: 42%;
  height: 5px;
  background: var(--gradient-signal);
  clip-path: polygon(12% 0, 100% 0, 92% 100%, 0 100%);
  opacity: 0.9;
}

.faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-cyan);
  margin-bottom: 0.9rem;
}

.faq-hero .page-title {
  margin: 0 0 0.9rem;
  max-width: 18em;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.15;
}

.faq-hero .page-subtitle {
  max-width: 60rem;
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(0.95rem, 2vw, 1.075rem);
  line-height: 1.8;
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
  padding-bottom: 3rem;
}

@media (min-width: 960px) {
  .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .faq-toc {
    position: sticky;
    top: calc(var(--header-height) + 28px);
  }
}

.faq-toc {
  border: 1px dashed var(--faq-line);
  background: rgba(11, 30, 58, 0.5);
  padding: 0.25rem 1.1rem 1.1rem;
  border-left: 3px solid var(--color-violet);
}

.faq-toc__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin: 0.9rem 0 0.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--faq-line);
}

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

.faq-toc__item + .faq-toc__item {
  margin-top: 0.35rem;
}

.faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.6rem 0.55rem;
  color: var(--color-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.faq-toc__link:hover,
.faq-toc__link:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-cyan);
  background: rgba(78, 225, 225, 0.06);
}

.faq-toc__num {
  color: var(--color-orange);
  font-weight: 700;
}

.faq-toc__text {
  line-height: 1.45;
}

.faq-toc__note {
  margin-top: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--faq-line);
}

.faq-content {
  min-width: 0;
}

.faq-chapter {
  position: relative;
  padding: 2.25rem 0 2.75rem;
  border-bottom: 1px dashed var(--faq-line);
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.faq-chapter:last-of-type {
  border-bottom: none;
}

.page-faq .chapter__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.page-faq .chapter__number {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--color-violet);
  text-shadow: 0 0 24px rgba(138, 109, 233, 0.35);
}

.page-faq .chapter__title {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.25;
}

.page-faq .chapter__lead {
  margin: 0.85rem 0 1.5rem;
  max-width: 48rem;
  color: var(--color-muted);
  line-height: 1.85;
}

.faq-image-frame {
  border: 1px solid var(--faq-line);
  background: rgba(11, 30, 58, 0.42);
  padding: 0.5rem;
  box-shadow: 10px 10px 0 rgba(138, 109, 233, 0.1);
}

.faq-image-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.faq-doc__figure,
.faq-guide__figure {
  margin: 1.5rem 0 1.75rem;
}

.faq-doc__figure figcaption,
.faq-guide__figure figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
}

.faq-path-table {
  margin-top: 1.5rem;
  border-top: 1px solid var(--faq-line);
}

.faq-path-table__row {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  gap: 0.2rem 0.8rem;
  align-items: baseline;
  padding: 0.8rem 0.4rem;
  border-bottom: 1px dashed var(--faq-line);
}

.faq-path-table__index {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-violet);
}

.faq-path-table__name {
  font-weight: 700;
  color: var(--color-ink);
}

.faq-path-table__route {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-cyan);
  background: rgba(78, 225, 225, 0.06);
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(78, 225, 225, 0.16);
  white-space: nowrap;
}

.faq-path-table__desc {
  grid-column: 2 / -1;
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .faq-path-table__row {
    grid-template-columns: 2.6rem 5.5rem 8.5rem minmax(0, 1fr);
    gap: 0.5rem 1rem;
    align-items: center;
    padding: 0.85rem 0.6rem;
  }

  .faq-path-table__index {
    grid-row: auto;
  }

  .faq-path-table__desc {
    grid-column: auto;
  }
}

.faq-steps {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
}

.faq-step {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px dashed var(--faq-line);
}

.faq-step:first-child {
  border-top: 1px dashed var(--faq-line);
}

.faq-step__num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-orange);
  line-height: 1.4;
}

.faq-step__body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.faq-step__body p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
  font-size: 0.92rem;
}

.faq-cases__grid {
  margin: 1rem 0 1.25rem;
}

.page-faq .grid--2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 700px) {
  .page-faq .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .panel {
  border: 1px solid var(--faq-line);
  background: linear-gradient(145deg, rgba(245, 240, 230, 0.05), rgba(11, 30, 58, 0.28));
  padding: 1.25rem;
  position: relative;
}

.page-faq .panel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3.5rem;
  height: 3px;
  background: var(--color-moss);
}

.page-faq .panel__heading {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-violet);
  margin: 0 0 0.7rem;
  font-weight: 700;
}

.page-faq .panel p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.75;
  font-size: 0.92rem;
}

.page-faq .panel strong {
  color: var(--color-ink);
}

.faq-cases__action {
  margin-top: 1.25rem;
}

.page-faq .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-faq .button--primary {
  background: var(--gradient-signal);
  color: var(--color-deep);
  font-weight: 700;
  border: none;
}

.page-faq .button--primary:hover {
  filter: brightness(1.08);
}

.page-faq .button--ghost {
  background: transparent;
  border: 1px solid rgba(192, 200, 208, 0.3);
  color: var(--color-muted);
}

.page-faq .button--ghost:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.faq-filter-label {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 1.1rem;
}

.page-faq .filter-button {
  display: inline-flex;
  padding: 0.5rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted);
  background: transparent;
  border: 1px solid rgba(192, 200, 208, 0.22);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .filter-button:hover {
  color: var(--color-ink);
  border-color: var(--color-cyan);
}

.page-faq .filter-button.is-active {
  color: var(--color-deep);
  background: var(--gradient-signal);
  border-color: transparent;
  font-weight: 700;
}

.faq-accordion {
  margin-top: 1rem;
}

.faq-item {
  margin-bottom: 0.8rem;
  border: 1px solid rgba(192, 200, 208, 0.24);
  border-left: 3px solid transparent;
  background: rgba(245, 240, 230, 0.025);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.faq-item[open] {
  border-left-color: var(--color-cyan);
  background: rgba(78, 225, 225, 0.045);
}

.faq-item__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  font-size: 0.97rem;
  line-height: 1.5;
}

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

.faq-item__summary:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: -2px;
}

.faq-item__icon {
  flex: 0 0 auto;
  width: 1.6rem;
  height: 1.6rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

.faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  background: var(--color-cyan);
  color: var(--color-deep);
}

.faq-item__content {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-muted);
  line-height: 1.8;
  font-size: 0.92rem;
}

.faq-item__content p {
  margin: 0;
}

.faq-contact__grid {
  margin: 1.25rem 0 1.5rem;
}

.page-faq .grid--3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 700px) {
  .page-faq .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.faq-contact-card {
  position: relative;
  border: 1px solid rgba(192, 200, 208, 0.22);
  background: rgba(245, 240, 230, 0.03);
  padding: 1.35rem 1.25rem 1.25rem 1.5rem;
  overflow: hidden;
}

.faq-contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-signal);
}

.faq-contact-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-orange);
  margin-bottom: 0.5rem;
}

.faq-contact-card__value {
  display: block;
  color: var(--color-ink);
  font-weight: 600;
  word-break: break-word;
  line-height: 1.5;
}

.faq-contact__address {
  margin: 0.5rem 0 1.5rem;
  color: var(--color-muted);
  line-height: 1.75;
}