:root {
  --faq-bg: var(--gray-1, #fcfcfc);
  --faq-border: var(--gray-a3, #0000000f);
  --faq-text-primary: var(--gray-12, #202020);
  --faq-text-secondary: var(--gray-11, #646464);
  --faq-accent: var(--gray-12, #202020);
  --faq-hover-bg: var(--gray-3, #f0f0f0);
  --faq-radius: 12px;
  --faq-max-width: 720px;
}

/* ===== FAQ SECTION ===== */
.faq-section {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  margin-top: 48px;
  padding: 48px 16px 40px;
  background-color: var(--faq-bg);
  border-top: 1px solid var(--faq-border);
  box-sizing: border-box;
}

.faq-inner {
  max-width: var(--faq-max-width);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* ===== H1 STYLE ===== */
.faq-site-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--faq-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 8px 0;
  text-align: center;
}

.faq-site-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--faq-text-secondary);
  text-align: center;
  margin: 0 0 40px 0;
  line-height: 1.5;
}

/* ===== FAQ HEADING ===== */
.faq-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--faq-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 20px 0;
}

/* ===== ACCORDION ===== */
.faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-radius);
  background-color: #fff;
  overflow: hidden;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.faq-item:hover {
  border-color: var(--gray-a5, #0000001f);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.faq-item.is-open {
  border-color: var(--gray-a5, #0000001f);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 12px;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.faq-question:focus {
  outline: none;
}

.faq-question:focus-visible {
  outline: 2px solid var(--faq-accent);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}

.faq-question h2 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--faq-text-primary);
  line-height: 1.45;
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-3, #f0f0f0);
  border-radius: 50%;
  transition: transform 0.25s ease, background-color 0.15s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  background-color: var(--gray-4, #e8e8e8);
}

.faq-icon svg {
  display: block;
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.faq-item.is-open .faq-answer {
  max-height: 600px;
  opacity: 1;
}

.faq-answer h3 {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--faq-text-secondary);
  line-height: 1.65;
  letter-spacing: 0;
}

/* ===== FAQ FOOTER LINKS ===== */
.faq-footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--faq-border);
  flex-wrap: wrap;
}

.faq-footer-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--faq-text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 9999px;
  border: 1px solid var(--faq-border);
  background-color: #fff;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.faq-footer-link:hover {
  background-color: var(--faq-hover-bg);
  border-color: var(--gray-a5, #0000001f);
  color: var(--faq-text-primary);
  text-decoration: none;
}

/* ===== INNER PAGE LAYOUT (faq/ and about/) ===== */
.inner-page {
  min-height: 100vh;
  background-color: var(--gray-1, #fcfcfc);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--gray-12, #202020);
  box-sizing: border-box;
  overflow-x: hidden;
}

.inner-header {
  width: 100%;
  border-bottom: 1px solid var(--gray-a3, #0000000f);
  background-color: var(--gray-1, #fcfcfc);
  position: sticky;
  top: 0;
  z-index: 50;
  box-sizing: border-box;
}

.inner-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.inner-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 8px;
}

.inner-logo img {
  height: 28px;
  width: auto;
  display: block;
}

.inner-logo-text {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--gray-12, #202020);
  letter-spacing: -0.02em;
}

.inner-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.inner-nav-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-11, #646464);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 9999px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.inner-nav-link:hover {
  background-color: var(--gray-a3, #0000000f);
  color: var(--gray-12, #202020);
  text-decoration: none;
}

.inner-nav-link.active {
  background-color: var(--gray-12, #202020);
  color: #fff;
}

/* ===== INNER PAGE MAIN CONTENT ===== */
.inner-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 16px 80px;
  box-sizing: border-box;
  width: 100%;
}

/* ===== INNER PAGE HERO ===== */
.inner-hero {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--gray-a3, #0000000f);
}

.inner-hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-11, #646464);
  background-color: var(--gray-3, #f0f0f0);
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.inner-hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  color: var(--gray-12, #202020);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 12px 0;
}

.inner-hero-desc {
  font-size: 1rem;
  color: var(--gray-11, #646464);
  line-height: 1.65;
  margin: 0;
  max-width: 600px;
}

/* ===== INNER PAGE SECTIONS ===== */
.inner-section {
  margin-bottom: 40px;
}

.inner-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-12, #202020);
  letter-spacing: -0.02em;
  margin: 0 0 16px 0;
  line-height: 1.3;
}

.inner-section p {
  font-size: 0.9375rem;
  color: var(--gray-11, #646464);
  line-height: 1.7;
  margin: 0 0 14px 0;
}

.inner-section p:last-child {
  margin-bottom: 0;
}

/* ===== INNER CARD / HIGHLIGHT BOX ===== */
.inner-card {
  background-color: #fff;
  border: 1px solid var(--gray-a3, #0000000f);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  box-sizing: border-box;
}

.inner-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-12, #202020);
  margin: 0 0 8px 0;
  letter-spacing: -0.01em;
}

.inner-card p {
  font-size: 0.875rem;
  color: var(--gray-11, #646464);
  line-height: 1.65;
  margin: 0;
}

.inner-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

/* ===== FAQ ACCORDION (inner page) ===== */
.inner-faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inner-faq-item {
  border: 1px solid var(--gray-a3, #0000000f);
  border-radius: 12px;
  background-color: #fff;
  overflow: hidden;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.inner-faq-item:hover {
  border-color: var(--gray-a5, #0000001f);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.inner-faq-item.is-open {
  border-color: var(--gray-a5, #0000001f);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.inner-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 12px;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.inner-faq-question:focus {
  outline: none;
}

.inner-faq-question:focus-visible {
  outline: 2px solid var(--gray-12, #202020);
  outline-offset: -2px;
  border-radius: 12px;
}

.inner-faq-question h2 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-12, #202020);
  line-height: 1.45;
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
}

.inner-faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gray-3, #f0f0f0);
  border-radius: 50%;
  transition: transform 0.25s ease, background-color 0.15s ease;
}

.inner-faq-item.is-open .inner-faq-icon {
  transform: rotate(180deg);
  background-color: var(--gray-4, #e8e8e8);
}

.inner-faq-icon svg {
  display: block;
  width: 10px;
  height: 10px;
}

.inner-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.inner-faq-item.is-open .inner-faq-answer {
  max-height: 800px;
  opacity: 1;
}

.inner-faq-answer p {
  margin: 0;
  padding: 0 20px 20px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--gray-11, #646464);
  line-height: 1.65;
}

/* ===== INNER PAGE FOOTER ACTIONS ===== */
.inner-footer-actions {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-a3, #0000000f);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.inner-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--gray-12, #202020);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 9999px;
  text-decoration: none;
  transition: opacity 0.15s ease;
  letter-spacing: -0.01em;
}

.inner-btn-primary:hover {
  opacity: 0.85;
  text-decoration: none;
  color: #fff;
}

.inner-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #fff;
  color: var(--gray-11, #646464);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 9999px;
  border: 1px solid var(--gray-a4, #00000017);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  letter-spacing: -0.01em;
}

.inner-btn-secondary:hover {
  background-color: var(--gray-3, #f0f0f0);
  border-color: var(--gray-a5, #0000001f);
  color: var(--gray-12, #202020);
  text-decoration: none;
}

/* ===== INNER PAGE FOOTER ===== */
.inner-page-footer {
  border-top: 1px solid var(--gray-a3, #0000000f);
  padding: 24px 16px;
  text-align: center;
  box-sizing: border-box;
}

.inner-page-footer p {
  font-size: 0.8125rem;
  color: var(--gray-11, #646464);
  margin: 0;
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
  .faq-item,
  .inner-card,
  .inner-faq-item {
    background-color: var(--gray-2, #191919);
  }

  .faq-footer-link {
    background-color: var(--gray-2, #191919);
  }

  .inner-btn-secondary {
    background-color: var(--gray-2, #191919);
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .faq-section {
    padding: 36px 12px 32px;
    margin-top: 32px;
  }

  .faq-site-title {
    font-size: 1.5rem;
  }

  .faq-site-subtitle {
    font-size: 0.875rem;
    margin-bottom: 28px;
  }

  .faq-question h2 {
    font-size: 0.875rem;
  }

  .faq-answer h3 {
    font-size: 0.8125rem;
  }

  .inner-card-grid {
    grid-template-columns: 1fr;
  }

  .inner-header-inner {
    padding: 0 12px;
  }

  .inner-main {
    padding: 28px 12px 60px;
  }

  .inner-hero h1 {
    font-size: 1.75rem;
  }

  .inner-footer-actions {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .inner-btn-primary,
  .inner-btn-secondary {
    justify-content: center;
  }

  .faq-footer-links {
    gap: 12px;
  }
}

@media (max-width: 400px) {
  .faq-site-title {
    font-size: 1.3rem;
  }

  .inner-nav-link {
    font-size: 0.75rem;
    padding: 5px 8px;
  }
}