.page-privacy {
  --privacy-maxw: 66ch;
  --privacy-gap: clamp(20px, 4vw, 48px);
  padding-block: clamp(16px, 3vw, 28px) clamp(48px, 8vw, 96px);
}

.page-privacy .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-hero {
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--edge);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-privacy h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 5.8vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: var(--privacy-maxw);
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-hero__meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-privacy .privacy-hero__stamp {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 4px 12px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: var(--panel);
}

.page-privacy .privacy-banner {
  margin: clamp(20px, 3.5vw, 36px) 0 clamp(28px, 5vw, 48px);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--panel);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-gap);
}

@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: minmax(180px, 232px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

.page-privacy .privacy-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
}

@media (min-width: 900px) {
  .page-privacy .privacy-nav {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
    padding: 14px;
    border: 1px solid var(--edge);
    border-radius: var(--r-md);
    background: var(--panel);
    box-shadow: var(--shadow);
  }
}

.page-privacy .privacy-nav::before {
  content: "章节";
  display: block;
  padding: 0 10px 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-nav__index {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .privacy-nav__index .data-num {
  flex-shrink: 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--edge);
  transition: color .18s var(--ease);
}

.page-privacy .privacy-nav__index:hover,
.page-privacy .privacy-nav__index:focus-visible {
  color: var(--text);
  background: rgba(44, 224, 198, 0.06);
}

.page-privacy .privacy-nav__index:hover .data-num,
.page-privacy .privacy-nav__index:focus-visible .data-num {
  color: var(--cyan);
}

.page-privacy .privacy-nav__index:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .privacy-shell:has(#sec-1:target) .privacy-nav__index[href="#sec-1"],
.page-privacy .privacy-shell:has(#sec-2:target) .privacy-nav__index[href="#sec-2"],
.page-privacy .privacy-shell:has(#sec-3:target) .privacy-nav__index[href="#sec-3"],
.page-privacy .privacy-shell:has(#sec-4:target) .privacy-nav__index[href="#sec-4"],
.page-privacy .privacy-shell:has(#sec-5:target) .privacy-nav__index[href="#sec-5"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(44, 224, 198, 0.08);
}

.page-privacy .privacy-shell:has(#sec-1:target) .privacy-nav__index[href="#sec-1"] .data-num,
.page-privacy .privacy-shell:has(#sec-2:target) .privacy-nav__index[href="#sec-2"] .data-num,
.page-privacy .privacy-shell:has(#sec-3:target) .privacy-nav__index[href="#sec-3"] .data-num,
.page-privacy .privacy-shell:has(#sec-4:target) .privacy-nav__index[href="#sec-4"] .data-num,
.page-privacy .privacy-shell:has(#sec-5:target) .privacy-nav__index[href="#sec-5"] .data-num {
  color: var(--cyan);
}

.page-privacy .privacy-body {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 5vw, 48px);
  min-width: 0;
}

.page-privacy .legal-section {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
  padding-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px dashed var(--edge);
}

.page-privacy .legal-section:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .legal-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .legal-section__num {
  flex-shrink: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 4px 11px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: var(--panel);
}

.page-privacy .legal-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .legal-section__lede {
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  max-width: var(--privacy-maxw);
}

.page-privacy .legal-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-privacy .legal-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--r-sm);
  background: var(--panel);
}

@media (min-width: 720px) {
  .page-privacy .legal-list__item {
    grid-template-columns: minmax(110px, 168px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 16px 20px;
  }
}

.page-privacy .legal-list__item dt {
  margin: 0;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .legal-list__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}

.page-privacy .legal-list__item dd strong {
  color: var(--text);
  font-weight: 600;
}

.page-privacy .privacy-foot {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--edge);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 760px) {
  .page-privacy .privacy-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

.page-privacy .privacy-foot__note {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-foot__links .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (max-width: 560px) {
  .page-privacy h1 {
    font-size: clamp(30px, 8.6vw, 40px);
  }

  .page-privacy .legal-section__head {
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-privacy .legal-list__item {
    padding: 13px 14px;
  }

  .page-privacy .privacy-foot__links {
    width: 100%;
  }

  .page-privacy .privacy-foot__links .btn {
    flex: 1 1 calc(50% - 6px);
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-nav__index,
  .page-privacy .privacy-nav__index .data-num,
  .page-privacy .breadcrumbs a {
    transition: none;
  }
}
<<<END>>>