.page-faq {
  background: var(--c-bg);
  color: var(--c-ink);
}

.page-faq .breadcrumb {
  margin-bottom: 24px;
  font-size: 13px;
}

.page-faq .faq-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--c-line-strong);
  margin-bottom: 48px;
}

.page-faq .faq-hero .kicker {
  display: inline-block;
  background: var(--c-green-deep);
  color: var(--c-white);
  padding: 6px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 700;
  text-transform: uppercase;
}

.page-faq .faq-hero .display-title {
  margin-top: 16px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.1;
}

.page-faq .faq-hero .lead {
  margin-top: 20px;
  max-width: 42em;
  line-height: 1.8;
}

.page-faq .faq-hero-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .tag {
  border: 1px solid var(--c-line-strong);
  color: var(--c-muted);
  background: var(--c-surface);
  font-size: 12px;
  padding: 4px 10px;
  letter-spacing: 0.03em;
}

.page-faq .tag-blue {
  border-color: var(--c-blue);
  color: var(--c-blue);
  background: rgba(45, 91, 227, 0.06);
}

.page-faq .tag-red {
  border-color: var(--c-red);
  color: var(--c-red);
  background: rgba(224, 68, 44, 0.06);
}

.page-faq .faq-index-section {
  background: var(--c-green-deep);
  color: var(--c-white);
  padding: 48px 0;
}

.page-faq .faq-index-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.page-faq .faq-index-section .section-title {
  color: var(--c-white);
  margin: 0;
}

.page-faq .faq-index-section .section-more {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-faq .faq-index-section .kicker {
  display: inline-block;
  background: var(--c-red);
  color: var(--c-white);
  padding: 4px 8px;
}

.page-faq .faq-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-index-group {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 20px;
}

.page-faq .faq-index-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-faq .faq-index-title span {
  background: var(--c-red);
  color: var(--c-white);
  padding: 2px 6px;
  font-family: var(--font-num);
  font-weight: 700;
}

.page-faq .faq-index-group ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-group li + li {
  margin-top: 6px;
}

.page-faq .faq-index-group a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
  font-size: 14px;
  line-height: 1.4;
}

.page-faq .faq-index-group a:hover {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

.page-faq .faq-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--c-green);
  color: var(--c-white);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  flex: none;
}

.page-faq .faq-index-group .faq-no {
  flex-basis: 28px;
  width: 28px;
  height: 28px;
  background: transparent;
  color: var(--c-red);
  border: 1px solid currentColor;
  font-size: 11px;
}

.page-faq .faq-section {
  padding: 56px 0 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-section:last-of-type {
  border-bottom: 0;
}

.page-faq .layout-doc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .rail {
  border-left: 4px solid var(--c-red);
  padding-left: 16px;
}

.page-faq .rail .section-title {
  margin: 8px 0 8px;
}

.page-faq .rail p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-green);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  background: var(--c-white);
  border-left-color: var(--c-red);
  box-shadow: 0 4px 16px rgba(28, 31, 27, 0.06);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-weight: 700;
}

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

.page-faq .faq-item summary::marker {
  content: none;
}

.page-faq .faq-item summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--c-red);
  font-size: 18px;
  line-height: 1;
  font-weight: 400;
}

.page-faq .faq-item[open] summary::after {
  content: "－";
}

.page-faq .faq-q {
  flex: 1 1 0%;
  min-width: 0;
  font-size: 16px;
  line-height: 1.4;
}

.page-faq .faq-item .tag {
  flex: none;
  font-size: 11px;
  padding: 3px 8px;
  white-space: nowrap;
}

.page-faq .faq-a {
  padding: 0 18px 18px 62px;
  border-top: 1px dashed var(--c-line);
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 14px 0 0;
}

.page-faq .faq-a a {
  color: var(--c-green);
  font-weight: 700;
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  padding: 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-help {
  margin-top: 48px;
  padding: 40px 0 64px;
  background: var(--c-surface);
  border-top: 1px solid var(--c-line-strong);
}

.page-faq .faq-help h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 28px;
}

.page-faq .faq-help p {
  margin: 0;
  color: var(--c-muted);
  line-height: 1.8;
}

.page-faq .faq-help a {
  color: var(--c-green);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 96px 0 64px;
  }

  .page-faq .faq-index-section {
    padding: 72px 0;
  }

  .page-faq .faq-index-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .page-faq .faq-section {
    padding: 72px 0 24px;
  }

  .page-faq .layout-doc {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-item summary {
    padding: 18px 24px;
  }

  .page-faq .faq-a {
    padding: 4px 24px 24px 68px;
  }

  .page-faq .faq-help {
    padding: 56px 0 80px;
  }
}