.page-faq {
  --faq-pad-x: 20px;
  background: var(--color-gray);
  color: var(--color-gray-dark);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .container {
  padding-left: var(--faq-pad-x);
  padding-right: var(--faq-pad-x);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--color-blue) 0%, var(--color-blue-deep) 60%, var(--color-blue) 100%);
  color: var(--color-white);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue) 0%, var(--color-orange) 45%, var(--color-yellow) 100%);
}

.page-faq .faq-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 56px;
  padding-bottom: 60px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--color-yellow);
}

.page-faq .faq-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin: 20px 0 10px;
}

.page-faq .faq-hero-copy h1 {
  font-family: var(--font-headline);
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-white);
  margin-bottom: 18px;
}

.page-faq .faq-hero-lead {
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.page-faq .faq-search {
  position: relative;
  max-width: 520px;
  margin-top: 28px;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-orange);
  pointer-events: none;
}

.page-faq .faq-search input[type="search"] {
  width: 100%;
  box-sizing: border-box;
  border: 2px solid var(--color-yellow);
  border-radius: 999px;
  background-color: var(--color-white);
  color: var(--color-gray-dark);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 20px 14px 44px;
}

.page-faq .faq-search input[type="search"]::placeholder {
  color: #7A7A7A;
}

.page-faq .faq-search input[type="search"]:focus-visible {
  outline: 3px solid var(--color-orange);
  outline-offset: 2px;
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  border-radius: 16px;
  border: 3px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-popular {
  background: var(--color-white);
  padding: 48px 0;
}

.page-faq .faq-popular-heading {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-popular-heading::before {
  content: "";
  width: 24px;
  height: 4px;
  border-radius: 99px;
  background: var(--color-orange);
  flex: 0 0 auto;
}

.page-faq .faq-popular-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-faq .faq-popular-item a {
  display: inline-block;
  padding: 9px 16px 9px 18px;
  border-radius: 999px;
  background: var(--color-gray);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-orange);
  color: var(--color-gray-dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--duration) ease, border-color var(--duration) ease;
}

.page-faq .faq-popular-item a:hover {
  background: var(--color-orange-soft);
  border-left-color: var(--color-blue);
}

.page-faq .faq-popular-note {
  margin-top: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-popular-note a {
  color: var(--color-link);
}

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

.page-faq .faq-chapter-update {
  background: var(--color-gray);
}

.page-faq .faq-chapter-install {
  background: var(--color-orange-soft);
}

.page-faq .faq-chapter-collect {
  background: var(--color-white);
}

.page-faq .faq-chapter-contact {
  background: var(--color-blue);
  color: var(--color-white);
}

.page-faq .chapter-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.page-faq .chapter-head .section-no {
  font-family: var(--font-headline);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-orange);
  min-width: 56px;
}

.page-faq .faq-chapter-contact .section-no {
  color: var(--color-yellow);
}

.page-faq .chapter-title-wrap h2 {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 8px;
  color: var(--color-gray-dark);
}

.page-faq .faq-chapter-contact .chapter-title-wrap h2 {
  color: var(--color-white);
}

.page-faq .chapter-title-wrap p {
  font-size: 14px;
  line-height: 1.5;
  color: #666;
}

.page-faq .faq-chapter-contact .chapter-title-wrap p {
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow var(--duration) ease;
}

.page-faq .faq-chapter-update .faq-item {
  border-top: 4px solid var(--color-orange);
}

.page-faq .faq-chapter-install .faq-item {
  border-top: 4px solid var(--color-blue);
}

.page-faq .faq-chapter-collect .faq-item {
  border-top: 4px solid var(--color-green);
}

.page-faq .faq-item[open] {
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item:target {
  box-shadow: 0 0 0 4px var(--color-yellow);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 16px 52px 16px 18px;
  position: relative;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.45;
  color: var(--color-gray-dark);
}

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

.page-faq .faq-item summary::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-orange);
  flex: 0 0 auto;
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-gray);
  color: var(--color-gray-dark);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  background: var(--color-yellow);
}

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--color-yellow);
  outline-offset: -3px;
}

.page-faq .faq-answer {
  display: grid;
  gap: 8px;
  padding: 0 20px 20px 38px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray-dark);
}

.page-faq .faq-answer a {
  color: var(--color-link);
}

.page-faq .faq-chapter-footnote {
  margin-top: 22px;
  padding: 14px 16px;
  background: var(--color-white);
  border-left: 4px solid var(--color-yellow);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-chapter-footnote a {
  color: var(--color-link);
}

.page-faq .faq-install-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-install-aside img {
  display: block;
  width: 100%;
  border-radius: 14px;
  border: 4px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-aside-caption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-gray-dark);
}

.page-faq .faq-install-aside .btn-primary {
  display: inline-block;
  margin-top: 16px;
  background: var(--color-orange);
  border: 2px solid var(--color-orange);
  color: var(--color-white);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: background var(--duration) ease, border-color var(--duration) ease;
}

.page-faq .faq-install-aside .btn-primary:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 4px solid var(--color-yellow);
  border-radius: 12px;
  padding: 20px;
}

.page-faq .faq-contact-card h3 {
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 800;
  color: var(--color-yellow);
  margin-bottom: 6px;
}

.page-faq .faq-contact-card p {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
}

.page-faq .faq-contact-value {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-white);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin-top: 24px;
  padding: 16px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 15px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
}

.page-faq .faq-contact-note a {
  color: var(--color-yellow);
}

@media (min-width: 700px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: center;
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .page-faq .faq-hero-copy {
    padding-right: 40px;
  }

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

  .page-faq .faq-chapter .container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-faq .faq-install-grid {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }

  .page-faq .faq-install-aside {
    position: sticky;
    top: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation: none !important;
    transition: none !important;
  }
}