.page-faq {
  --faq-accent: var(--red);
  background: var(--bg);
  color: var(--text);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 1.5rem 5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin-inline: auto;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.page-faq .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--muted);
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  color: var(--ink);
  max-width: 28ch;
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
}

.page-faq .faq-hero__lead {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 48rem;
  margin: 0;
}

.page-faq .hl-gold {
  font-style: normal;
  font-weight: 600;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-faq .faq-hero__note {
  display: none;
}

.page-faq .faq-layout {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 2.5rem 1.5rem 4rem;
}

.page-faq .faq-toc {
  margin-bottom: 2.5rem;
}

.page-faq .faq-toc__label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  font-size: 0.875rem;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-toc__list a span {
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 0.75rem;
}

.page-faq .faq-toc__list a:hover {
  color: var(--blue);
  border-color: var(--blue);
  background: var(--red-soft);
}

.page-faq .faq-toc__note {
  display: none;
}

.page-faq .faq-content {
  border-top: 1px solid var(--line);
  padding-top: 2.5rem;
}

.page-faq .faq-group {
  --faq-accent: var(--red);
  position: relative;
  margin-bottom: 4.5rem;
  padding-top: 2.5rem;
  scroll-margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group:nth-child(even) {
  --faq-accent: var(--blue);
}

.page-faq .faq-group::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 4.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--faq-accent), transparent);
  transition: width 0.2s ease, background 0.2s ease;
}

.page-faq .faq-group:target::after {
  width: 6.5rem;
  background: var(--gold);
}

.page-faq .faq-group:target {
  --faq-accent: var(--gold);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-group__index {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 0.85;
  color: var(--faq-accent);
  letter-spacing: -0.04em;
  min-width: 2.4ch;
  padding-top: 0.12em;
  transition: color 0.2s ease;
}

.page-faq .faq-group__tag {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-accent);
  margin: 0 0 0.4rem;
  transition: color 0.2s ease;
}

.page-faq .faq-group__title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

.page-faq .faq-group__items {
  margin-top: 0.25rem;
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0.75rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.2s ease, background 0.2s ease;
}

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

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

.page-faq .faq-item summary:hover {
  color: var(--blue);
  background: var(--red-soft);
}

.page-faq .faq-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
  flex-shrink: 0;
}

.page-faq .faq-item summary:hover .faq-item__icon {
  transform: rotate(15deg);
  border-color: var(--blue);
  color: var(--red);
}

.page-faq .faq-item[open] summary .faq-item__icon {
  background: var(--red);
  color: var(--ink);
  border-color: var(--red);
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--red);
  transform: rotate(180deg);
}

.page-faq .faq-item__body {
  padding: 0 0.5rem 1.5rem 3.1rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 52rem;
}

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

.page-faq .faq-item__body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

.page-faq .faq-figure {
  margin: 2rem 0 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

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

.page-faq .faq-figure figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact {
  margin-top: 4rem;
  background: var(--surface);
  border-left: 4px solid var(--red);
  padding: 2rem 1.5rem;
}

.page-faq .faq-contact__label {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.page-faq .faq-contact__text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.page-faq .faq-contact__text a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

@media (min-width: 64rem) {
  .page-faq .faq-hero {
    padding: 6rem 2rem 7rem;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.6rem, 4vw, 4rem);
    max-width: 24ch;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.05rem;
  }

  .page-faq .faq-hero__note {
    display: block;
    position: absolute;
    right: 2rem;
    bottom: 3.5rem;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 2.5rem;
    padding: 4rem 2rem 6rem;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 2rem;
    margin: 0;
  }

  .page-faq .faq-toc__list {
    display: block;
  }

  .page-faq .faq-toc__list li + li {
    margin-top: 0.2rem;
  }

  .page-faq .faq-toc__list a {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    width: 100%;
    padding: 0.7rem 0.5rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    font-size: 0.9rem;
  }

  .page-faq .faq-toc__list a span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--red);
  }

  .page-faq .faq-toc__list a:hover {
    color: var(--blue);
    border-bottom-color: var(--blue);
    background: transparent;
  }

  .page-faq .faq-toc__note {
    display: block;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--muted);
    border-left: 2px solid var(--gold);
    padding-left: 0.75rem;
  }

  .page-faq .faq-content {
    border-top: none;
    padding-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 2.5rem;
  }

  .page-faq .faq-group {
    margin-bottom: 5rem;
    padding-top: 2.75rem;
  }

  .page-faq .faq-group__index {
    font-size: 3.8rem;
  }

  .page-faq .faq-item__body {
    font-size: 1rem;
  }

  .page-faq .faq-contact {
    margin-top: 5rem;
    padding: 2.5rem 2rem;
  }
}