.page-privacy {
  --pv-rail: 15rem;
  --pv-gap: clamp(2rem, 4vw, 4rem);
  --pv-rule: rgba(200, 165, 91, 0.42);
  background: var(--paper);
  color: var(--tide-900);
  padding-bottom: 4rem;
}

.page-privacy .pv-hero {
  padding: 1.5rem 0 0;
}

.page-privacy .pv-hero .index-line {
  margin: 0 0 1.25rem;
}

.page-privacy .pv-hero h1 {
  margin: 0 0 1.125rem;
  max-width: 22ch;
  font-size: clamp(2rem, 5.6vw, 3.25rem);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--tide-800);
}

.page-privacy .pv-hero .lead {
  margin: 0 0 1.75rem;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--tide-700);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-meta li {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-privacy .pv-meta li + li::before {
  content: "";
  position: absolute;
  left: -1rem;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sand);
  transform: translateY(-50%);
}

.page-privacy .pv-notice {
  margin: 0;
  padding: 0.9375rem 1.125rem;
  background: rgba(30, 107, 135, 0.12);
  border-left: 3px solid var(--tide-600);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--tide-800);
  max-width: 68ch;
}

.page-privacy .pv-banner {
  margin: 2.5rem 0 0;
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--tide-800);
  box-shadow: var(--shadow-card);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .pv-banner .media-frame__caption {
  padding: 0.75rem 1.25rem 1rem;
  background: var(--tide-800);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  opacity: 0.78;
}

.page-privacy .pv-layout {
  display: grid;
  gap: 2rem;
  padding-top: 2.5rem;
}

/* 章节索引：移动端为横向便签条 */
.page-privacy .pv-index {
  padding: 0 0 1rem;
  border-bottom: 1px solid var(--hair);
  min-width: 0;
}

.page-privacy .pv-index__title {
  margin: 0 0 0.875rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-privacy .pv-index__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}

.page-privacy .pv-index__list > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--hair);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.7);
  color: var(--tide-800);
  font-size: 0.875rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .pv-index__link .mono {
  color: var(--sand);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  border-color: var(--coral);
  background: rgba(255, 107, 74, 0.08);
  color: var(--coral-deep);
}

.page-privacy .pv-body {
  min-width: 0;
  max-width: 68ch;
}

.page-privacy .pv-section {
  padding: 1.875rem 0 2.25rem;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 5rem;
}

.page-privacy .pv-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  margin: 0 0 1.125rem;
  padding-left: 1rem;
  border-left: 3px solid var(--sand);
}

.page-privacy .pv-section__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--coral-deep);
}

.page-privacy .pv-section h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--tide-800);
}

.page-privacy .pv-section p {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--tide-900);
}

.page-privacy .pv-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-list {
  display: grid;
  gap: 0.9375rem;
  margin: 1.25rem 0 1.125rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list__item {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.page-privacy .pv-list__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--sand);
}

.page-privacy .pv-list__body {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--tide-800);
}

.page-privacy .pv-list__body strong {
  font-weight: 600;
  color: var(--tide-900);
}

.page-privacy .pv-related {
  margin-top: 1rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-related h2 {
  margin: 0 0 1.125rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--tide-800);
}

.page-privacy .pv-related__list {
  display: grid;
  gap: 0.6875rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-related__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--tide-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .pv-related__list a::before {
  content: "→";
  font-size: 0.875rem;
  color: var(--coral);
}

.page-privacy .pv-related__list a:hover,
.page-privacy .pv-related__list a:focus-visible {
  color: var(--coral-deep);
  border-bottom-color: var(--coral-deep);
}

@media (min-width: 62rem) {
  .page-privacy .pv-hero {
    padding-top: 2.5rem;
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: var(--pv-gap);
    align-items: start;
    padding-top: 3.5rem;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 2.25rem;
    max-height: calc(100vh - 4.5rem);
    overflow-y: auto;
    padding: 0.25rem 0 0.5rem 1.25rem;
    border-bottom: 0;
    border-left: 1px solid var(--hair);
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    gap: 0.125rem;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .pv-index__list > li {
    flex: 0 0 auto;
  }

  .page-privacy .pv-index__link {
    display: flex;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: var(--r-s);
    background: transparent;
    white-space: normal;
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    background: rgba(200, 165, 91, 0.14);
    border-left-color: var(--sand);
  }

  .page-privacy .pv-section {
    padding: 2.25rem 0 2.75rem;
  }

  .page-privacy .pv-banner {
    margin-top: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-related__list a {
    transition: none;
  }
}
<<<END>>>