.page-faq {
  --faq-space: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  background-image:
    linear-gradient(rgba(33, 212, 180, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 212, 180, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
}

.page-faq .faq-top {
  padding-top: clamp(1.25rem, 4vw, 2.5rem);
  padding-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  margin-bottom: clamp(1.25rem, 4vw, 2rem);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--matrix);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--matrix);
}

.page-faq .faq-h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-faq .faq-lede {
  margin: 1rem 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 2px solid var(--line);
  color: var(--frost);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: var(--matrix);
  background: rgba(33, 212, 180, 0.1);
  color: var(--matrix);
}

.page-faq .faq-index b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  color: var(--matrix);
}

.page-faq .faq-chapter {
  margin-top: var(--faq-space);
  padding-top: var(--faq-space);
  border-top: 2px solid var(--line);
}

.page-faq .faq-chapter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  margin-bottom: 1.1rem;
}

.page-faq .faq-chapter__no {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1;
  color: var(--matrix);
}

.page-faq .faq-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-faq .faq-principle {
  display: grid;
  gap: clamp(0.9rem, 2.5vw, 1.4rem);
  padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--paper);
  color: var(--ink-900);
  border: var(--edge) solid var(--ink-900);
  box-shadow: var(--shadow-hard);
  margin-bottom: 1.1rem;
}

.page-faq .faq-principle__label {
  margin: 0;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-700);
}

.page-faq .faq-principle__lead {
  margin: 0.55rem 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink-900);
}

.page-faq .faq-principle__note {
  margin: 0.8rem 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-faq .faq-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-800);
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--flare);
}

.page-faq .faq-principle__media {
  margin: 0;
}

.page-faq .faq-principle__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--ink-900);
}

.page-faq .faq-principle__media figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-700);
}

.page-faq .faq-flow-wrap {
  padding: 0.75rem;
  margin-bottom: 1.1rem;
  background: var(--ink-800);
  border: 2px solid var(--line);
}

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

.page-faq .faq-figure {
  margin: 0 0 1.1rem;
  border: var(--edge) solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 0.6rem 0.8rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-tablewrap {
  margin-bottom: 1.1rem;
  overflow-x: auto;
  border: 2px solid var(--ink-900);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-faq .faq-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0.6rem 0.7rem;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-700);
  border-bottom: 1px solid rgba(10, 23, 39, 0.18);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(10, 23, 39, 0.16);
}

.page-faq .faq-table thead th {
  background: var(--paper-dim);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--ink-900);
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table tbody tr.is-changed {
  background: rgba(126, 145, 132, 0.3);
}

.page-faq .faq-list {
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-item {
  border: var(--edge) solid var(--line);
  background: var(--ink-800);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(33, 212, 180, 0.55);
}

.page-faq .faq-item[open] {
  border-color: var(--matrix);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0.9rem;
  cursor: pointer;
  list-style: none;
  color: var(--frost);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.55;
}

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

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

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--matrix);
  outline-offset: -4px;
}

.page-faq .faq-num {
  flex: none;
  padding: 0.3rem 0.35rem;
  border: 1px solid rgba(33, 212, 180, 0.45);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--matrix);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-sign {
  flex: none;
  width: 11px;
  height: 11px;
  margin-left: auto;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  transform: rotate(45deg);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-item[open] .faq-sign {
  transform: rotate(225deg);
  border-color: var(--matrix);
}

.page-faq .faq-a {
  padding: 0.85rem 0.9rem 1rem;
  border-top: 1px dashed rgba(147, 163, 181, 0.28);
  color: var(--steel);
  font-size: 13.5px;
  line-height: 1.8;
  animation: faq-reveal 180ms var(--ease);
}

.page-faq .faq-a p {
  margin: 0 0 0.7rem;
}

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

.page-faq .faq-a strong {
  color: var(--frost);
  font-weight: 500;
}

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

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

.page-faq .faq-steps {
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 2.1rem;
  font-size: 13.5px;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  padding: 0.1rem 0.3rem;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.3;
  color: var(--matrix);
  border: 1px solid rgba(33, 212, 180, 0.55);
}

.page-faq .faq-checklist {
  margin: 0 0 1.1rem;
  padding: clamp(0.9rem, 3vw, 1.3rem);
  list-style: none;
  display: grid;
  gap: 0.6rem;
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-left: 4px solid var(--matrix);
}

.page-faq .faq-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--frost);
  cursor: pointer;
}

.page-faq .faq-checklist input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 0.2rem 0 0;
  border: 2px solid var(--matrix);
  background: transparent;
  cursor: pointer;
  position: relative;
}

.page-faq .faq-checklist input:checked {
  background: var(--matrix);
}

.page-faq .faq-checklist input:checked::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}

.page-faq .faq-checklist input:focus-visible {
  outline: 2px solid var(--flare);
  outline-offset: 2px;
}

.page-faq .faq-checklist input:checked + span {
  color: var(--matrix);
}

.page-faq .faq-cta {
  margin-top: var(--faq-space);
  padding: clamp(1.1rem, 3.5vw, 1.8rem);
  background: var(--ink-800);
  border: var(--edge) solid var(--flare);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cta__label {
  margin: 0;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--flare);
}

.page-faq .faq-cta__lead {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  line-height: 1.5;
  color: var(--frost);
}

.page-faq .faq-cta__line {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--steel);
  word-break: break-word;
}

.page-faq .faq-cta .btn {
  display: inline-block;
  text-decoration: none;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-item > summary {
    padding: 1rem 1.15rem;
    font-size: 15px;
  }

  .page-faq .faq-a {
    padding: 1rem 1.15rem 1.15rem;
    font-size: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-principle--media {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }

  .page-faq .faq-principle:not(.faq-principle--media) {
    padding-right: clamp(1.6rem, 4vw, 2.4rem);
  }

  .page-faq .faq-cta {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "label btn"
      "lead btn"
      "line btn";
    align-items: center;
    column-gap: 1.5rem;
  }

  .page-faq .faq-cta__label { grid-area: label; }
  .page-faq .faq-cta__lead { grid-area: lead; }
  .page-faq .faq-cta__line { grid-area: line; margin-bottom: 0; }
  .page-faq .faq-cta .btn { grid-area: btn; }
}

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

  .page-faq .faq-sign,
  .page-faq .faq-item,
  .page-faq .faq-index a {
    transition: none;
  }
}