.page-faq {
  --faq-cut: 12px;
  --faq-soft: rgba(34, 224, 214, 0.08);
}

.page-faq .faq-hero {
  position: relative;
  padding: 88px 0 44px;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(34, 224, 214, 0.14), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 78%);
  border-bottom: 1px solid var(--line-600);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(143, 166, 190, 0.06) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(143, 166, 190, 0.06) 0 1px, transparent 1px 64px);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero__lead {
  max-width: 640px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-cond);
  font-size: clamp(34px, 8.4vw, 64px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__desc {
  margin: 0;
  color: var(--mute);
  font-size: 16px;
  line-height: 1.85;
  max-width: 560px;
}

.page-faq .faq-hero__jump {
  display: flex;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-hero__jump::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line-600);
  background: rgba(18, 35, 58, 0.72);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-hero__media {
  position: relative;
  border: 1px solid var(--line-600);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  max-width: 520px;
  margin: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.page-faq .faq-body {
  padding: 48px 0 8px;
  background: var(--ink-950);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: 34px;
}

.page-faq .faq-index {
  border: 1px solid var(--line-600);
  background: linear-gradient(160deg, var(--ink-900), var(--ink-950));
  padding: 20px 18px;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-index__label {
  margin: 0 0 14px;
  color: var(--mute);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 12px;
  border-left: 2px solid transparent;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__list .mono {
  color: var(--mute);
  font-size: 12px;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--cyan);
  background: var(--faq-soft);
  color: var(--cyan);
}

.page-faq .faq-index__list a:hover .mono,
.page-faq .faq-index__list a:focus-visible .mono {
  color: var(--cyan);
}

.page-faq .faq-index__note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-600);
}

.page-faq .faq-index__note p {
  margin: 0 0 8px;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-index__note-title {
  color: var(--paper) !important;
  font-weight: 700;
  font-size: 14px !important;
}

.page-faq .faq-index__mail {
  display: inline-block;
  color: var(--cyan);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-faq .faq-groups {
  display: grid;
  gap: 56px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 13px;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  font-family: var(--font-cond);
  font-size: clamp(21px, 4.6vw, 28px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 560px;
  color: var(--mute);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-600);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 4px 20px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__sum:hover .faq-item__q,
.page-faq .faq-item__sum:focus-visible .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.page-faq .faq-item__code {
  flex: 0 0 auto;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  color: var(--paper);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform 0.24s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--acid);
}

.page-faq .faq-item__body {
  padding: 0 0 22px;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 640px;
  padding-left: 44px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.85;
  border-left: 1px solid transparent;
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faqFade 0.24s var(--ease) both;
}

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

.page-faq .faq-mid {
  margin: 0;
  border: 1px solid var(--line-600);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

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

.page-faq .faq-cta {
  padding: 56px 0 72px;
  background: linear-gradient(180deg, var(--ink-950), var(--ink-900));
  border-top: 1px solid var(--line-600);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 26px;
  padding: 28px 22px;
  border: 1px solid var(--line-600);
  background:
    linear-gradient(135deg, var(--faq-soft), transparent 58%),
    var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-faq .faq-cta__title {
  margin: 12px 0 10px;
  font-family: var(--font-cond);
  font-size: clamp(26px, 6vw, 40px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 520px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-cta__more {
  flex: 1 1 100%;
  margin: 6px 0 0;
  color: var(--mute);
  font-size: 13px;
  line-height: 1.8;
}

.page-faq .faq-cta__more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin: 0 2px;
}

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 104px 0 64px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-hero__desc {
    font-size: 17px;
  }

  .page-faq .faq-hero__media {
    max-width: none;
  }

  .page-faq .faq-body {
    padding: 68px 0 12px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 22px 18px;
  }

  .page-faq .faq-groups {
    gap: 64px;
  }

  .page-faq .faq-item__q {
    font-size: 17px;
  }

  .page-faq .faq-item__body p {
    padding-left: 52px;
    font-size: 16px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
    padding: 36px 32px;
  }

  .page-faq .faq-cta__more {
    flex: 0 1 auto;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-item__sum {
    padding: 22px 4px 22px 0;
  }
}

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

  .page-faq .faq-hero__jump a,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }
}