.page-faq {
  --faq-board-pad: 24px;
  background-color: var(--signal);
  background-image:
    linear-gradient(rgba(38, 77, 126, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 77, 126, 0.055) 1px, transparent 1px);
  background-size: 36px 36px;
  min-height: 100vh;
  padding-bottom: 96px;
}

.page-faq .faq-hero {
  position: relative;
  background: var(--deep);
  background-image:
    linear-gradient(rgba(163, 255, 18, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(163, 255, 18, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  color: var(--signal);
  padding: 64px 0 56px;
  margin: 0 0 48px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 180px;
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-hero-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
}

.page-faq .faq-hero-code::before {
  content: "";
  width: 38px;
  height: 10px;
  background: var(--orange);
  transform: skewX(-20deg);
  flex: none;
}

.page-faq .faq-hero-code::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  line-height: 1.15;
  color: #fff;
  margin: 0 0 18px;
  max-width: 15em;
}

.page-faq .faq-hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.8);
  margin: 0 0 26px;
  max-width: 680px;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.page-faq .faq-hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  background: rgba(255, 79, 26, 0.2);
  border-left: 3px solid var(--orange);
  padding: 8px 12px;
}

.page-faq .faq-hero-meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
}

.page-faq .faq-layout {
  margin-top: 48px;
}

.page-faq .faq-index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
  overflow-x: auto;
  padding: 4px 0 12px;
  scrollbar-width: thin;
}

.page-faq .faq-index::after {
  content: "";
  flex: 0 0 10px;
}

.page-faq .faq-index-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  white-space: nowrap;
  margin: 0;
}

.page-faq .faq-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-list li {
  flex: 0 0 auto;
}

.page-faq .faq-index-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 2px solid var(--deep);
  background: #fff;
  color: var(--deep);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: var(--deep);
  color: var(--lime);
}

.page-faq .faq-index-no {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .faq-index-status {
  display: none;
}

.page-faq .faq-boards {
  position: relative;
  padding-left: 30px;
}

.page-faq .faq-boards::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background-image: linear-gradient(to bottom, var(--lime) 0 8px, transparent 8px 16px);
  background-size: 2px 16px;
  opacity: 0.95;
}

.page-faq .faq-board {
  position: relative;
  background: #fff;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(10, 29, 58, 0.16);
  margin-bottom: 36px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-board::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--lime);
  border: 3px solid var(--deep);
  z-index: 2;
}

.page-faq .faq-board:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 rgba(10, 29, 58, 0.22);
}

.page-faq .faq-board-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  padding: 22px var(--faq-board-pad);
  list-style: none;
  cursor: pointer;
  position: relative;
}

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

.page-faq .faq-board-summary::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--line);
}

.page-faq .faq-board details[open] > .faq-board-summary::after {
  background: var(--lime);
}

.page-faq .faq-board-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: var(--orange);
  padding: 7px 10px 7px 12px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  flex: none;
}

.page-faq .faq-board-title {
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.2;
  color: var(--orange);
  margin: 0;
  flex: 1 1 240px;
}

.page-faq .faq-board-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid var(--line);
  padding: 4px 8px;
  white-space: nowrap;
}

.page-faq .faq-board-control {
  position: relative;
  width: 34px;
  height: 34px;
  border: 2px solid var(--deep);
  border-radius: 50%;
  flex: none;
}

.page-faq .faq-board-control::before,
.page-faq .faq-board-control::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--deep);
  transition: transform 0.25s ease;
}

.page-faq .faq-board-control::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-board-control::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-board details[open] .faq-board-control::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-board-body {
  padding: 22px var(--faq-board-pad) 28px;
  border-top: 2px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-board-lead {
  border-left: 4px solid var(--orange);
  padding-left: 14px;
  font-weight: 500;
  font-size: 16px;
  margin: 0 0 18px;
}

.page-faq .faq-board-copy {
  margin: 0 0 16px;
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 46px;
  font-size: 15px;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 32px;
  height: 32px;
  background: var(--deep);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.page-faq .faq-figure {
  margin: 26px 0 20px;
  padding: 12px;
  background: var(--peach);
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(10, 29, 58, 0.12);
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  padding-top: 10px;
  letter-spacing: 0.04em;
}

.page-faq .faq-figure--flow img {
  max-height: 520px;
}

.page-faq .faq-figure--guide {
  background: var(--signal);
  border-left-color: var(--teal);
}

.page-faq .faq-board-note {
  margin: 20px 0 0;
  background: var(--signal);
  border: 1px dashed var(--blue);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--deep);
}

.page-faq .faq-board-more {
  display: inline-block;
  margin-top: 18px;
  font-weight: 700;
  font-size: 14px;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-board-more:hover,
.page-faq .faq-board-more:focus-visible {
  color: var(--orange);
  border-color: var(--deep);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 12px 14px;
  background: var(--signal);
  border-left: 4px solid var(--teal);
  font-size: 14px;
}

.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--blue);
  min-width: 150px;
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-contact-tip {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--blue);
  margin-top: -4px;
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 88px 0 76px;
    margin-bottom: 64px;
  }

  .page-faq .faq-hero h1 {
    font-size: 48px;
    max-width: 14em;
  }

  .page-faq .faq-hero-desc {
    font-size: 18px;
    max-width: 720px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-top: 56px;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 104px;
    background: var(--deep);
    border: 2px solid var(--deep);
    box-shadow: 6px 6px 0 rgba(10, 29, 58, 0.22);
    padding: 20px 16px 16px;
    overflow: visible;
    margin-bottom: 0;
  }

  .page-faq .faq-index::after {
    display: none;
  }

  .page-faq .faq-index-title {
    color: var(--lime);
    margin: 0 0 14px;
  }

  .page-faq .faq-index-list {
    display: block;
  }

  .page-faq .faq-index-list li {
    margin-bottom: 2px;
  }

  .page-faq .faq-index-link {
    display: flex;
    justify-content: flex-start;
    border: 0;
    border-bottom: 1px dashed rgba(245, 247, 250, 0.24);
    border-radius: 0;
    background: transparent;
    color: rgba(245, 247, 250, 0.85);
    font-size: 13px;
    padding: 10px 4px;
    white-space: normal;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    background: rgba(163, 255, 18, 0.1);
    color: var(--lime);
  }

  .page-faq .faq-index-no {
    color: var(--lime);
    font-size: 12px;
  }

  .page-faq .faq-index-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(245, 247, 250, 0.2);
    font-family: var(--font-mono);
    font-size: 11px;
    color: rgba(245, 247, 250, 0.7);
  }

  .page-faq .faq-index-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 0 2px rgba(163, 255, 18, 0.3);
    flex: none;
  }

  .page-faq .faq-board-title {
    font-size: 28px;
  }
}