.page-faq .breadcrumbs {
  padding-top: clamp(1rem, 2.4vw, 1.7rem);
}

.page-faq .faq-hero {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
  padding-block: 1.1rem clamp(2rem, 4vw, 3.2rem);
}

.page-faq .faq-hero__lead {
  max-width: 40rem;
}

.page-faq .faq-hero h1 {
  margin: 0.45rem 0 1rem;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  transform: skewX(-1.2deg);
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 38rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-hero__board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-height: 96px;
  padding: 0.75rem 0.85rem 0.85rem;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard-sm);
  background: var(--sand);
  color: var(--ink);
}

.page-faq .faq-stat:first-child {
  grid-column: span 2;
}

.page-faq .faq-stat--flame {
  background: var(--flame);
  color: #fff;
}

.page-faq .faq-stat--slate {
  background: var(--slate);
  color: #fff;
}

.page-faq .faq-stat--gold {
  background: var(--gold-light);
  color: var(--ink);
}

.page-faq .faq-stat--indigo {
  background: var(--indigo);
  color: #fff;
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4.2vw, 2rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-faq .faq-stat__label {
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.94;
}

.page-faq .faq-layout {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-index {
  padding: 0.9rem 0.9rem 1rem;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard-sm);
  background: var(--sand);
}

.page-faq .faq-index__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.36rem 0.6rem;
  border: 2px solid transparent;
  border-left: 3px solid var(--gold);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--gold-light);
  border-color: var(--ink);
  border-left-color: var(--flame);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--flame);
}

.page-faq .faq-index__hint {
  margin: 0.75rem 0 0;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin-bottom: 1.4rem;
  padding: 0.7rem 0.8rem;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard-sm);
  background: var(--sand);
}

.page-faq .faq-filter__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-faq .faq-filter__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
}

.page-faq .faq-filter .filter-btn {
  padding: 0.28rem 0.7rem;
  border: 2px solid var(--ink);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.page-faq .faq-filter .filter-btn:hover {
  background: var(--gold-light);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--flame);
  color: #fff;
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .qa-group {
  margin-bottom: 2.4rem;
  scroll-margin-top: 1.4rem;
}

.page-faq .qa-group__head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 0.55rem;
  border-bottom: 3px solid var(--ink);
}

.page-faq .qa-group:target .qa-group__head {
  border-bottom-color: var(--flame);
}

.page-faq .qa-group__no {
  padding: 0.14rem 0.42rem;
  background: var(--slate);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-faq .qa-group__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .qa-group__desc {
  margin: 0.5rem 0 1rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .qa {
  margin-bottom: 0.8rem;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard-sm);
  background: var(--sand);
  transition: box-shadow 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .qa[open] {
  box-shadow: var(--hard);
  transform: translate(-2px, -2px);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.78rem 0.9rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
  list-style: none;
  cursor: pointer;
  transition: background 0.15s var(--ease);
}

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

.page-faq .qa__summary:hover {
  background: var(--gold-light);
}

.page-faq .qa__no {
  padding: 0.08rem 0.32rem;
  border: 2px solid var(--ink);
  background: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.25;
}

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

.page-faq .qa__mark {
  position: relative;
  width: 1.05rem;
  height: 1.05rem;
  flex: none;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--flame);
  transition: transform 0.18s var(--ease), opacity 0.18s var(--ease);
}

.page-faq .qa__mark::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 3px;
  margin-top: -1.5px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  margin-left: -1.5px;
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
  transform: scaleY(0.2);
}

.page-faq .qa__body {
  margin: 0;
  padding: 0.75rem 1rem 1rem;
  border-top: 2px solid rgba(17, 24, 28, 0.16);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-faq .qa__body p {
  margin: 0;
}

.page-faq .qa__body a {
  color: var(--slate);
  text-decoration: underline;
  text-decoration-color: var(--blue);
  text-underline-offset: 3px;
}

.page-faq .qa__steps {
  display: grid;
  gap: 0.45rem;
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .qa__steps li {
  position: relative;
  padding-left: 2rem;
  font-size: 0.9rem;
  line-height: 1.62;
  counter-increment: faqstep;
}

.page-faq .qa__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  top: 0.08rem;
  left: 0;
  padding: 0.04rem 0.28rem;
  background: var(--flame);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.35;
}

.page-faq .qa-figure {
  margin: 1.3rem 0 1.5rem;
}

.page-faq .qa-figure .figure__frame {
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard);
  background: var(--sand);
}

.page-faq .qa-figure .figure__caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .qa-support-note {
  margin: 1.2rem 0 0.7rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.7;
}

.page-faq .qa-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 0.6rem;
}

.page-faq .glossary__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin: 1rem 0 0;
}

.page-faq .glossary__item {
  padding: 0.8rem 0.9rem 0.85rem;
  border: var(--bw) solid var(--ink);
  box-shadow: var(--hard-sm);
  background: var(--sand);
  transform: skewY(-1.4deg);
}

.page-faq .glossary__item > * {
  transform: skewY(1.4deg);
}

.page-faq .glossary__term {
  font-size: 0.98rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--slate);
}

.page-faq .glossary__desc {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
}

@media (max-width: 520px) {
  .page-faq .faq-hero__board {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-stat:first-child {
    grid-column: span 1;
  }

  .page-faq .qa__summary {
    font-size: 0.92rem;
    gap: 0.5rem;
  }

  .page-faq .qa__body {
    padding: 0.7rem 0.8rem 0.9rem;
  }
}

@media (min-width: 640px) {
  .page-faq .glossary__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .qa-group .qa:nth-of-type(even) {
    margin-left: 1.6rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-hero__board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-stat:first-child {
    grid-column: span 2;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(1.8rem, 3.2vw, 3rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 0.28rem;
    overflow: visible;
    padding-bottom: 0;
  }
}

@media (min-width: 1140px) {
  .page-faq .glossary__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__summary,
  .page-faq .faq-index__link,
  .page-faq .faq-filter .filter-btn {
    transition: none;
  }

  .page-faq .qa[open] {
    transform: none;
  }
}