.page-privacy {
  --color-paper: #F4F2EB;
  --color-ink: #101312;
  --color-spring: #0D8F5A;
  --color-summer: #1D6FB8;
  --color-autumn: #D9772E;
  --color-winter: #E8EFED;
  --color-line: #242424;
  --color-muted: #6A6A63;
  --color-fog: #C9C5BC;
  --color-tea: #A97A50;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "SimSun", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Cascadia Mono", "Consolas", monospace;
  --container: 1280px;
  --topbar-h: 64px;
  --dur: 0.24s;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

.page-privacy .privacy-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 22px;
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.page-privacy .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .breadcrumb a:hover {
  color: var(--color-spring);
}

.page-privacy .breadcrumb-sep {
  margin: 0 10px;
  color: var(--color-fog);
}

.page-privacy .privacy-hero {
  display: grid;
  gap: 32px;
  padding: 44px 0 52px;
  border-bottom: 1px solid var(--color-line);
}

.page-privacy .privacy-season {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 14px;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--color-tea);
}

.page-privacy .privacy-hero-title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-hero-desc {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.75;
}

.page-privacy .privacy-hero-desc strong {
  color: var(--color-spring);
  font-weight: 600;
}

.page-privacy .privacy-hero-note {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 3px solid var(--color-fog);
  max-width: 42em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-privacy .privacy-mode {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.page-privacy .privacy-mode-label {
  margin-right: 2px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.page-privacy .privacy-mode-chip {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid var(--color-fog);
  background: transparent;
  color: var(--color-ink);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-mode-chip:hover {
  border-color: var(--color-line);
}

.page-privacy .privacy-mode-chip.is-current {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-paper);
}

.page-privacy .privacy-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-hero-visual {
  position: relative;
}

.page-privacy .privacy-hero-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-winter);
  aspect-ratio: 1 / 1;
}

.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.page-privacy .privacy-emblem {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px;
  background: rgba(244, 242, 235, 0.88);
  border: 1px solid var(--color-fog);
}

.page-privacy .privacy-seal {
  position: absolute;
  right: 14px;
  bottom: 12px;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-tea);
  color: var(--color-tea);
  background: rgba(244, 242, 235, 0.92);
  font-family: var(--font-serif);
  font-size: 24px;
}

.page-privacy .privacy-brief {
  padding: 48px 0 28px;
}

.page-privacy .privacy-brief-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line);
}

.page-privacy .privacy-brief-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
}

.page-privacy .privacy-brief-anno {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--color-muted);
  white-space: nowrap;
}

.page-privacy .privacy-brief-grid {
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-brief-card {
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: 0;
  background: var(--color-winter);
}

.page-privacy .privacy-brief-index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-spring);
}

.page-privacy .privacy-brief-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
}

.page-privacy .privacy-brief-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 44px 0 0;
}

.page-privacy .privacy-toc {
  min-width: 0;
}

.page-privacy .privacy-toc-inner {
  position: relative;
}

.page-privacy .privacy-toc .toc-title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-toc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.page-privacy .privacy-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  font-size: 14px;
  line-height: 1.45;
  color: var(--color-muted);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .privacy-toc-link:hover {
  color: var(--color-ink);
}

.page-privacy .privacy-toc-link.is-active {
  border-left-color: var(--color-spring);
  color: var(--color-ink);
  background: rgba(13, 143, 90, 0.06);
}

.page-privacy .privacy-toc-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
}

.page-privacy .privacy-toc-meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--color-fog);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-section {
  display: grid;
  gap: 8px;
  padding: 34px 0;
  border-top: 1px solid var(--color-line);
}

.page-privacy .privacy-section:first-child {
  border-top: 0;
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 14px;
}

.page-privacy .privacy-section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-spring);
}

.page-privacy .privacy-section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.page-privacy .privacy-section-en {
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.page-privacy .privacy-section-anno {
  margin-left: auto;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-fog);
}

.page-privacy .privacy-section-body {
  min-width: 0;
  font-size: 15px;
}

.page-privacy .privacy-section-body p {
  margin: 0 0 12px;
}

.page-privacy .privacy-list {
  margin: 16px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-fog);
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--color-fog);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-list li::before {
  content: "▸";
  position: absolute;
  top: 13px;
  left: 2px;
  font-size: 12px;
  color: var(--color-spring);
}

.page-privacy .privacy-list strong {
  font-weight: 600;
  color: var(--color-ink);
}

.page-privacy .privacy-note {
  margin: 16px 0 6px;
  padding: 14px 16px;
  background: var(--color-winter);
  border-left: 3px solid var(--color-fog);
  font-size: 13px;
  line-height: 1.65;
}

.page-privacy .privacy-note p {
  margin: 0;
}

.page-privacy .privacy-details.faq-item {
  margin-top: 12px;
  border: 1px solid var(--color-fog);
  border-radius: 0;
}

.page-privacy .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 14px;
  border: 0;
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.page-privacy .faq-question::after {
  content: "+";
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--color-spring);
}

.page-privacy .faq-item.is-open .faq-question::after {
  content: "–";
}

.page-privacy .faq-answer {
  padding: 0 14px;
}

.page-privacy .faq-answer-inner {
  padding: 0 0 14px;
  border-top: 1px solid var(--color-fog);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-privacy .faq-answer-inner p {
  margin: 12px 0 0;
}

.page-privacy .retention-wrap {
  margin: 16px 0 20px;
  padding: 18px;
  border: 1px solid var(--color-line);
  background: var(--color-winter);
}

.page-privacy .retention-title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
}

.page-privacy .retention-chart {
  display: grid;
  gap: 10px;
}

.page-privacy .retention-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-fog);
}

.page-privacy .retention-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .retention-label {
  font-size: 13px;
  font-weight: 600;
}

.page-privacy .retention-track {
  display: block;
  height: 10px;
  background: var(--color-fog);
  overflow: hidden;
  transition: background var(--dur) var(--ease);
}

.page-privacy .retention-row:hover .retention-track {
  background: var(--color-muted);
}

.page-privacy .retention-bar {
  display: block;
  height: 100%;
  background: var(--color-ink);
  transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .retention-row:hover .retention-bar {
  background: var(--color-spring);
}

.page-privacy .retention-bar--local {
  width: 30%;
}

.page-privacy .retention-bar--feedback {
  width: 60%;
}

.page-privacy .retention-bar--logs {
  width: 22%;
}

.page-privacy .retention-bar--user {
  width: 10px;
  height: 100%;
  border: 1px dashed var(--color-muted);
  background: transparent;
}

.page-privacy .retention-period {
  font-size: 13px;
  color: var(--color-muted);
}

.page-privacy .privacy-closing {
  margin: 48px 0 72px;
  padding: 28px 24px;
  background: var(--color-ink);
  color: var(--color-paper);
}

.page-privacy .privacy-closing-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
}

.page-privacy .privacy-closing-text {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-fog);
}

.page-privacy .privacy-closing-contacts {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}

.page-privacy .privacy-closing-contact {
  padding: 14px;
  border: 1px solid rgba(232, 239, 237, 0.25);
}

.page-privacy .privacy-closing-contact .contact-label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-fog);
}

.page-privacy .privacy-closing-contact .contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-paper);
  word-break: break-all;
}

.page-privacy .privacy-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-closing .btn-outline {
  border-color: var(--color-paper);
  color: var(--color-paper);
}

.page-privacy .privacy-closing .btn-outline:hover {
  background: rgba(244, 242, 235, 0.12);
}

.page-privacy .btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-privacy .btn-primary {
  background: var(--color-spring);
  color: var(--color-paper);
}

.page-privacy .btn-primary:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}

.page-privacy .btn-outline {
  border-color: var(--color-ink);
  background: transparent;
  color: var(--color-ink);
}

.page-privacy .btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}

.js .page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.js .page-privacy [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (min-width: 640px) {
  .page-privacy .privacy-brief-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .retention-row {
    grid-template-columns: 140px minmax(0, 1fr) 220px;
    align-items: center;
    gap: 14px;
  }

  .page-privacy .privacy-closing-contacts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: center;
    gap: 56px;
    padding: 72px 0 84px;
  }

  .page-privacy .privacy-hero-title {
    font-size: 52px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    padding-top: 64px;
  }

  .page-privacy .privacy-toc-inner {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }

  .page-privacy .privacy-toc-nav {
    display: grid;
    gap: 0;
  }

  .page-privacy .privacy-section {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 28px;
    padding: 48px 0;
  }

  .page-privacy .privacy-section-anno {
    font-size: 12px;
  }

  .page-privacy .privacy-closing {
    padding: 40px 36px;
  }
}