.page-faq {
  --faq-accent: #FF6B00;
  --faq-gold: #FFD700;
  --faq-primary: #0A1F44;
  --faq-light: #F5F7FA;
  --faq-electric: #00E5FF;
  --faq-dark: #0D0D0D;
  --faq-gray: #6B7280;
  --faq-border: #E5E7EB;
  --faq-white: #FFFFFF;
  background: var(--faq-light);
  color: var(--faq-dark);
  font-family: var(--font-body, "Inter", "Noto Sans SC", sans-serif);
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero {
  background: var(--faq-primary);
  color: var(--faq-white);
  padding: 60px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 32%;
  height: 100%;
  background: repeating-linear-gradient(135deg, rgba(255, 107, 0, 0.18) 0 2px, transparent 2px 10px);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-copy {
  flex: 0 0 76%;
}

.page-faq .faq-hero .section-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--faq-electric);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-headline, "Oswald", "Noto Sans SC", sans-serif);
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero h1 span {
  display: block;
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 400;
  color: var(--faq-gold);
  margin-top: 10px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin: 0 0 28px;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .breadcrumb-item a {
  color: var(--faq-white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, 0.6);
  transition: color 0.2s;
}

.page-faq .breadcrumb-item a:hover {
  color: var(--faq-accent);
}

.page-faq .breadcrumb-item.is-current {
  color: var(--faq-gold);
}

.page-faq .breadcrumb-sep {
  color: var(--faq-accent);
}

.page-faq .faq-hero-meta {
  flex: 0 0 220px;
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 6px;
}

.page-faq .faq-hero-meta .rotate-note {
  writing-mode: vertical-rl;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-faq .faq-hero-count {
  margin: 0;
  line-height: 1;
}

.page-faq .faq-hero-count .data-number {
  font-family: var(--font-headline, "Oswald", sans-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--faq-gold);
  line-height: 1;
}

.page-faq .faq-hero-meta .data-unit {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  margin-left: 4px;
}

.page-faq .faq-hero-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.08em;
  margin: 0;
}

.page-faq .faq-search {
  margin-top: -36px;
  position: relative;
  z-index: 2;
}

.page-faq .faq-search-panel {
  background: var(--faq-white);
  border: 1px solid var(--faq-border);
  box-shadow: 0 8px 24px rgba(10, 31, 68, 0.08);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}

.page-faq .faq-search-panel::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 110px;
  height: 6px;
  background: var(--faq-accent);
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
}

.page-faq .faq-search-input {
  flex: 1;
  min-width: 0;
  border: none;
  border-bottom: 2px solid var(--faq-border);
  background: transparent;
  font-family: var(--font-body);
  font-size: 17px;
  padding: 10px 4px;
  color: var(--faq-dark);
  outline: none;
  transition: border-color 0.25s;
}

.page-faq .faq-search-input:focus {
  border-bottom-color: var(--faq-accent);
}

.page-faq .faq-search-input::placeholder {
  color: var(--faq-gray);
  opacity: 0.8;
}

.page-faq .faq-search-hint {
  font-size: 13px;
  color: var(--faq-gray);
  white-space: nowrap;
  font-family: var(--font-mono, monospace);
}

.page-faq .faq-layout {
  padding-top: 72px;
  padding-bottom: 96px;
}

.page-faq .faq-layout-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.page-faq .faq-index {
  position: sticky;
  top: 96px;
}

.page-faq .faq-index .section-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--faq-accent);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-faq .faq-index-title {
  font-family: var(--font-headline, "Oswald", "Noto Sans SC", sans-serif);
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 28px;
  color: var(--faq-primary);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}

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

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--faq-dark);
  font-size: 15px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.page-faq .faq-index-link .nav-index {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  color: var(--faq-accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-faq .faq-index-link:hover {
  background: rgba(255, 107, 0, 0.08);
  border-left-color: var(--faq-accent);
}

.page-faq .faq-index-link.is-active {
  border-left-color: var(--faq-accent);
  background: rgba(255, 107, 0, 0.12);
  font-weight: 600;
}

.page-faq .faq-index-note {
  padding: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-index-note-title {
  font-weight: 700;
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--faq-primary);
}

.page-faq .faq-index-note p {
  margin: 0 0 16px;
  color: var(--faq-gray);
}

.page-faq .faq-section {
  margin-bottom: 72px;
  scroll-margin-top: 88px;
}

.page-faq .faq-section .section-head {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--faq-border);
  padding-bottom: 16px;
  position: relative;
}

.page-faq .faq-section .section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 64px;
  height: 5px;
  background: var(--faq-accent);
  clip-path: polygon(0 0, 100% 0, 90% 100%, 0 100%);
}

.page-faq .faq-section .section-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-gray);
  margin: 0 0 8px;
  text-transform: uppercase;
}

.page-faq .faq-section .section-title {
  font-family: var(--font-headline, "Oswald", "Noto Sans SC", sans-serif);
  font-size: 32px;
  font-weight: 700;
  margin: 0;
  color: var(--faq-primary);
}

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

.page-faq .faq-item {
  background: var(--faq-white);
  border: 1px solid var(--faq-border);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-item:hover {
  box-shadow: 0 4px 16px rgba(10, 31, 68, 0.08);
  transform: translateY(-2px);
}

.page-faq .faq-item.is-open::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--faq-accent), var(--faq-gold));
}

.page-faq .faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  font-family: var(--font-headline, "Oswald", "Noto Sans SC", sans-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--faq-primary);
  text-align: left;
  cursor: pointer;
  line-height: 1.4;
  transition: color 0.2s;
}

.page-faq .faq-toggle::after {
  content: "+";
  flex-shrink: 0;
  font-size: 26px;
  font-weight: 400;
  color: var(--faq-accent);
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-faq .faq-item.is-open .faq-toggle::after {
  transform: rotate(45deg);
}

.page-faq .faq-toggle:hover {
  color: var(--faq-accent);
}

.page-faq .faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-gray);
  border-top: 1px dashed var(--faq-border);
  padding-top: 14px;
  margin-top: -2px;
}

.page-faq .faq-answer p {
  margin: 0 0 8px;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-image-block {
  margin-top: 32px;
  position: relative;
}

.page-faq .faq-image-block img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.page-faq .faq-image-note {
  font-size: 13px;
  color: var(--faq-gray);
  margin: 10px 0 0;
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.04em;
}

.page-faq .faq-grid-mobile {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.page-faq .faq-mobile-image-block {
  position: sticky;
  top: 96px;
}

.page-faq .faq-mobile-image-block img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.page-faq .faq-mobile-image-block .faq-image-note {
  font-family: var(--font-mono, monospace);
  font-size: 13px;
  color: var(--faq-gray);
  margin-top: 10px;
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.page-faq .faq-contact-card {
  padding: 28px 24px;
  margin: 0;
}

.page-faq .faq-contact-card .contact-label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--faq-gray);
  text-transform: uppercase;
  margin: 0 0 8px;
}

.page-faq .faq-contact-card .contact-value {
  font-family: var(--font-headline, "Oswald", "Noto Sans SC", sans-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--faq-primary);
  margin: 0 0 10px;
  line-height: 1.3;
  word-break: break-all;
}

.page-faq .faq-contact-note {
  font-size: 13px;
  color: var(--faq-gray);
  margin: 0;
}

.page-faq .faq-support-note {
  font-size: 14px;
  color: var(--faq-gray);
  margin: 16px 0 36px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-related {
  border-top: 1px solid var(--faq-border);
  padding-top: 32px;
}

.page-faq .faq-related .section-kicker {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--faq-accent);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq .faq-related-link {
  display: block;
  padding: 8px 0;
  color: var(--faq-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--faq-border);
  font-size: 15px;
  transition: padding-left 0.2s, color 0.2s;
}

.page-faq .faq-related-link:hover {
  padding-left: 14px;
  color: var(--faq-accent);
}

.page-faq .faq-related-link::before {
  content: "→ ";
  color: var(--faq-accent);
}

@media (max-width: 1024px) {
  .page-faq .faq-layout-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .page-faq .faq-index {
    position: static;
  }

  .page-faq .faq-index-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

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

  .page-faq .faq-index-link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 8px 14px;
    background: var(--faq-white);
  }

  .page-faq .faq-index-link.is-active {
    border-bottom-color: var(--faq-accent);
  }

  .page-faq .faq-grid-mobile {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-mobile-image-block {
    position: static;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .page-faq .faq-hero {
    padding: 40px 0 60px;
  }

  .page-faq .faq-hero-inner {
    flex-direction: column;
    gap: 24px;
  }

  .page-faq .faq-hero-meta {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
  }

  .page-faq .faq-hero-meta .rotate-note {
    writing-mode: horizontal-tb;
    margin-bottom: 0;
    margin-right: 16px;
  }

  .page-faq .faq-hero-count .data-number {
    font-size: 48px;
  }

  .page-faq .faq-search-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 20px;
  }

  .page-faq .faq-search-hint {
    white-space: normal;
    font-size: 12px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-toggle {
    font-size: 16px;
    padding: 16px 18px;
  }

  .page-faq .faq-answer {
    padding: 0 18px 16px;
  }

  .page-faq .faq-layout {
    padding-top: 48px;
    padding-bottom: 64px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero h1 {
    font-size: 28px;
  }

  .page-faq .faq-hero h1 span {
    font-size: 16px;
  }

  .page-faq .faq-hero-desc {
    font-size: 15px;
  }

  .page-faq .faq-section .section-title {
    font-size: 26px;
  }

  .page-faq .faq-index-link {
    font-size: 14px;
  }

  .page-faq .faq-related-link {
    font-size: 14px;
  }
}