.page-faq {
  --faq-border-strong: 3px solid var(--c-deep-blue);
  --faq-border-light: 2px solid var(--c-line);
  --faq-shadow-card: 4px 4px 0 rgba(10, 35, 66, 0.14);
  background: var(--c-cream);
  color: var(--c-ink);
  padding: clamp(1rem, 3vw, 2.5rem);
}

.page-faq [id] {
  scroll-margin-top: 1.25rem;
}

.page-faq .faq-hero {
  display: grid;
  gap: 1.5rem;
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
  border-bottom: var(--faq-border-strong);
}

.page-faq .faq-hero-content {
  max-width: 46rem;
}

.page-faq .faq-eyebrow {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cinnabar);
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-heading);
  font-size: clamp(1.75rem, 4.5vw, 2.6rem);
  line-height: 1.22;
  color: var(--c-deep-blue);
  margin: 0 0 0.9rem;
  border-left: 6px solid var(--c-gold-light);
  padding-left: 0.85rem;
}

.page-faq .faq-hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  margin: 0;
  color: var(--c-ink);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-hard);
  background: var(--c-mid-blue);
}

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

.page-faq .faq-layout {
  margin-bottom: 3rem;
}

.page-faq .faq-index-inner {
  background: var(--gradient-blue);
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-hard);
  padding: 1.4rem 1.2rem;
  color: var(--c-white);
  margin-bottom: 1.5rem;
}

.page-faq .faq-index-inner h2 {
  font-family: var(--f-heading);
  font-size: 1.3rem;
  margin: 0 0 0.3rem;
  color: var(--c-cream);
}

.page-faq .faq-index-tip {
  font-size: 0.85rem;
  margin: 0 0 1rem;
  color: var(--c-gold-light);
  font-family: var(--f-mono);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(247, 243, 232, 0.28);
}

.page-faq .faq-index-list li {
  border-bottom: 1px solid rgba(247, 243, 232, 0.28);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-white);
  text-decoration: none;
  padding: 0.8rem 0.25rem;
  font-size: 0.95rem;
  transition: background-color var(--ease), padding-left var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus {
  background: rgba(242, 209, 107, 0.14);
  padding-left: 0.5rem;
  outline: none;
}

.page-faq .faq-index-num {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--c-gold-light);
  background: rgba(10, 35, 66, 0.55);
  border: 1px solid var(--c-gold-dark);
  padding: 0.15rem 0.4rem;
}

.page-faq .faq-index-note {
  margin: 1.25rem 0 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
  border-left: 3px solid var(--c-cinnabar);
  padding-left: 0.75rem;
}

.page-faq .faq-category {
  border-top: 4px solid var(--c-deep-blue);
  margin-top: 2.4rem;
  padding-top: 1.1rem;
}

.page-faq .faq-category-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  border-bottom: 2px solid var(--c-line);
  padding-bottom: 0.6rem;
  margin-bottom: 1.2rem;
}

.page-faq .faq-category-num {
  font-family: var(--f-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cinnabar);
}

.page-faq .faq-category-head h2 {
  font-family: var(--f-heading);
  font-size: 1.55rem;
  color: var(--c-deep-blue);
  margin: 0;
}

.page-faq .faq-item {
  border: 2px solid var(--c-line);
  background: var(--c-white);
  box-shadow: 3px 3px 0 rgba(10, 35, 66, 0.1);
  margin-bottom: 0.85rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-item[data-expanded="true"] {
  border-color: var(--c-deep-blue);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item .faq-item-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--f-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-deep-blue);
  line-height: 1.5;
}

.page-faq .faq-item .faq-item-q:hover,
.page-faq .faq-item .faq-item-q:focus-visible {
  background: var(--c-cream);
  outline: 2px solid var(--c-gold-light);
  outline-offset: -2px;
}

.page-faq .faq-item-q-icon {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-cinnabar);
  transition: transform var(--ease);
}

.page-faq .faq-item[data-expanded="true"] .faq-item-q-icon {
  transform: rotate(45deg);
}

.page-faq .faq-item .expandable-body {
  padding: 0 1.1rem 1.1rem;
}

.page-faq .faq-item-a-inner {
  border-left: 3px solid var(--c-gold-light);
  padding-left: 1rem;
  color: var(--c-ink);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-item-a-inner p {
  margin: 0;
}

.page-faq .faq-tablet-figure {
  margin: 1.5rem 0 0;
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep-blue);
  max-width: 600px;
}

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

.page-faq .faq-tablet-figure figcaption {
  padding: 0.7rem 1rem;
  background: var(--c-tag);
  color: var(--c-ink);
  font-size: 0.85rem;
  line-height: 1.5;
  border-top: 2px solid var(--c-deep-blue);
}

.page-faq .faq-cases {
  margin-top: 3rem;
  border-top: 4px solid var(--c-deep-blue);
  padding-top: 1.5rem;
}

.page-faq .faq-cases-head {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-cases-head h2 {
  margin: 0;
  font-family: var(--f-heading);
  font-size: 1.75rem;
  color: var(--c-deep-blue);
}

.page-faq .faq-cases-summary {
  max-width: 60em;
  line-height: 1.75;
  margin: 0;
}

.page-faq .faq-cases-map {
  margin: 1.5rem 0 1.75rem;
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep-blue);
}

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

.page-faq .faq-cases-map figcaption {
  padding: 0.75rem 1rem;
  background: var(--c-tag);
  font-size: 0.875rem;
  color: var(--c-ink);
  border-top: 2px solid var(--c-deep-blue);
  line-height: 1.6;
}

.page-faq .faq-case-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 2rem;
  padding: 0.8rem;
  border: 2px solid var(--c-line);
  background: var(--c-white);
  box-shadow: 3px 3px 0 rgba(10, 35, 66, 0.1);
}

.page-faq .faq-case-filter-label {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-cinnabar);
  font-weight: 700;
  margin-right: 0.2rem;
}

.page-faq .faq-case-filter-btn {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  padding: 0.45rem 0.8rem;
  border: 2px solid var(--c-deep-blue);
  background: var(--c-cream);
  color: var(--c-deep-blue);
  text-decoration: none;
  box-shadow: 2px 2px 0 rgba(10, 35, 66, 0.15);
  transition: background-color var(--ease), color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-faq .faq-case-filter-btn:hover,
.page-faq .faq-case-filter-btn:focus {
  background: var(--c-gold-light);
  color: var(--c-deep-blue);
  outline: none;
}

.page-faq .faq-case-filter-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.page-faq .faq-case-group {
  margin-bottom: 2.2rem;
}

.page-faq .faq-case-group h3 {
  font-family: var(--f-heading);
  font-size: 1.25rem;
  margin: 0 0 0.8rem;
  color: var(--c-deep-blue);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.page-faq .faq-case-count {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  background: var(--c-gold-light);
  color: var(--c-deep-blue);
  border: 1px solid var(--c-gold-dark);
  padding: 0.2rem 0.5rem;
}

.page-faq .faq-case-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.2rem 0.2rem 1rem;
  scroll-snap-type: x proximity;
  border-bottom: 2px solid var(--c-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-case-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  min-height: 185px;
  background: var(--c-white);
  border: var(--faq-border-strong);
  box-shadow: var(--faq-shadow-card);
  padding: 1.2rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-faq .faq-case-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.page-faq .faq-case-tag {
  background: var(--c-cinnabar);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--c-deep-blue);
}

.page-faq .faq-case-ver {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  background: var(--c-gold-light);
  color: var(--c-deep-blue);
  border: 1px solid var(--c-gold-dark);
  padding: 0.15rem 0.4rem;
  white-space: nowrap;
}

.page-faq .faq-case-card h4 {
  font-family: var(--f-heading);
  font-size: 1.1rem;
  margin: 0;
  color: var(--c-deep-blue);
  line-height: 1.4;
}

.page-faq .faq-case-card p {
  font-size: 0.875rem;
  line-height: 1.55;
  margin: 0;
  color: var(--c-ink);
}

.page-faq .faq-case-more {
  margin-top: 0.5rem;
  padding: 1rem 1.1rem;
  background: var(--c-tag);
  border-left: 4px solid var(--c-cinnabar);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-faq .faq-support {
  margin-top: 3rem;
  background: var(--gradient-blue);
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--c-white);
}

.page-faq .faq-support-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  border-bottom: 2px solid var(--c-gold-dark);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-support-num {
  font-family: var(--f-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-gold-light);
}

.page-faq .faq-support-head h2 {
  margin: 0;
  font-family: var(--f-heading);
  font-size: 1.75rem;
  color: var(--c-cream);
}

.page-faq .faq-support-intro {
  max-width: 58em;
  line-height: 1.75;
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.page-faq .faq-support-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-support-item {
  background: rgba(255, 255, 255, 0.09);
  border: 2px solid rgba(242, 209, 107, 0.5);
  padding: 1rem 1.1rem;
}

.page-faq .faq-support-label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-gold-light);
  margin-bottom: 0.35rem;
  font-weight: 700;
}

.page-faq .faq-support-value {
  display: block;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--c-white);
}

.page-faq .faq-support-note {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0.2rem;
}

.page-faq .faq-support-tip {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  border-left: 3px solid var(--c-cinnabar);
  padding-left: 0.85rem;
  margin: 0 0 1.5rem;
}

.page-faq .faq-support-cta a {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  background: var(--c-gold-light);
  color: var(--c-deep-blue);
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--f-body);
  border: 2px solid var(--c-deep-blue);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
  text-decoration: none;
  transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease);
}

.page-faq .faq-support-cta a:hover,
.page-faq .faq-support-cta a:focus {
  background: var(--c-white);
  color: var(--c-deep-blue);
  outline: none;
}

.page-faq .faq-support-cta a:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

@media (min-width: 640px) {
  .page-faq .faq-support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-faq .faq-case-scroll {
    margin-right: -0.2rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(220px, 260px) 1fr;
    gap: 2rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.25rem;
  }

  .page-faq .faq-index-inner {
    margin-bottom: 0;
  }

  .page-faq .faq-case-card {
    flex-basis: 300px;
  }

  .page-faq .faq-cases-head {
    grid-template-columns: 0.75fr 1.25fr;
    align-items: end;
  }

  .page-faq .faq-support-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1280px) {
  .page-faq {
    padding-right: clamp(2rem, 5vw, 4rem);
    padding-left: clamp(2rem, 5vw, 4rem);
  }
}