.page-privacy {
  --pv-text: #1D2733;
  --pv-hair: rgba(11, 13, 18, .12);
  --pv-tactical-line: rgba(30, 74, 110, .35);
  padding-bottom: var(--band-y);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: clamp(30px, 7vw, 74px) 0 clamp(34px, 7vw, 80px);
}

.page-privacy .pv-hero__figure {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: .38;
  pointer-events: none;
}

.page-privacy .pv-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 47, .45) 0%, rgba(10, 26, 47, .88) 62%, var(--c-ink) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-privacy .pv-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--c-acid);
}

.page-privacy .pv-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.2vw, 48px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--c-white);
}

.page-privacy .pv-lede {
  max-width: 34em;
  margin: 0;
  color: var(--c-white);
  opacity: .88;
}

.page-privacy .pv-meta {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-mist);
}

/* 布局 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 4vw, 38px);
  align-items: start;
  margin-top: clamp(24px, 5vw, 48px);
}

.page-privacy .pv-index {
  display: none;
}

.page-privacy .pv-drop {
  position: sticky;
  top: 84px;
  z-index: 4;
  margin: 0;
  background: var(--c-panel);
  border: 1px solid var(--c-tactical);
  border-radius: var(--radius-sm);
}

.page-privacy .pv-drop > summary {
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-acid);
}

.page-privacy .pv-drop > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-drop > summary::after {
  content: "＋";
  float: right;
  color: var(--c-mist);
}

.page-privacy .pv-drop[open] > summary::after {
  content: "－";
}

.page-privacy .pv-drop__list {
  margin: 0;
  padding: 4px 16px 16px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-drop__list a {
  color: var(--c-white);
  font-size: 14px;
  text-decoration: none;
}

.page-privacy .pv-drop__list a:hover,
.page-privacy .pv-drop__list a:focus-visible {
  color: var(--c-acid);
}

/* 阅读面板 */
.page-privacy .pv-doc {
  min-width: 0;
  background: var(--c-paper);
  color: var(--pv-text);
  border-radius: var(--radius);
  padding: clamp(22px, 5vw, 56px) clamp(18px, 4.5vw, 60px);
  box-shadow: var(--shadow-soft);
}

.page-privacy .pv-sec {
  padding: clamp(26px, 4.5vw, 44px) 0;
  border-top: 1px solid var(--pv-hair);
  scroll-margin-top: 100px;
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-orange);
}

.page-privacy .pv-sec h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.35;
  letter-spacing: -.015em;
  color: var(--c-black);
}

.page-privacy .pv-sec p {
  max-width: 34em;
  margin: 0 0 15px;
  font-size: 16.5px;
  line-height: 1.85;
}

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

.page-privacy .pv-k {
  border-bottom: 1px solid var(--c-orange);
  padding-bottom: 1px;
}

/* 分类说明 */
.page-privacy .pv-defs {
  max-width: 36em;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-def {
  padding-left: 15px;
  border-left: 2px solid var(--pv-tactical-line);
}

.page-privacy .pv-def dt {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-black);
}

.page-privacy .pv-def dd {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.8;
}

/* 要点列表 */
.page-privacy .pv-uses {
  max-width: 36em;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-privacy .pv-uses li {
  position: relative;
  padding-left: 20px;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-privacy .pv-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 8px;
  height: 2px;
  background: var(--c-orange);
}

.page-privacy .pv-uses strong {
  margin-right: 6px;
  color: var(--c-black);
}

.page-privacy .pv-sec p.pv-callout {
  max-width: 34em;
  margin-top: 4px;
  padding: 16px 18px;
  background: rgba(30, 74, 110, .09);
  border-left: 3px solid var(--c-tactical);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 16px;
}

.page-privacy .pv-mail {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: .95em;
  color: var(--c-black);
  background: rgba(255, 107, 53, .16);
  border-radius: var(--radius-sm);
  word-break: break-all;
}

/* 延伸入口 */
.page-privacy .pv-related {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .pv-related a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--c-black);
  text-decoration: none;
  border: 1px solid var(--pv-tactical-line);
  border-radius: var(--radius-pill);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-related a:hover,
.page-privacy .pv-related a:focus-visible {
  background: var(--c-ink);
  color: var(--c-acid);
  border-color: var(--c-ink);
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 46px;
  }

  .page-privacy .pv-index {
    display: block;
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-drop {
    display: none;
  }

  .page-privacy .pv-index__title {
    margin: 0 0 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--c-mist);
  }

  .page-privacy .pv-index__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 2px;
  }

  .page-privacy .pv-index__link {
    display: flex;
    gap: 10px;
    align-items: baseline;
    padding: 9px 10px 9px 12px;
    color: var(--c-white);
    font-size: 14px;
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    color: var(--c-acid);
    border-left-color: var(--c-acid);
    background: rgba(34, 211, 238, .07);
  }

  .page-privacy .pv-index__num {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--c-mist);
  }
}

@media (min-width: 1180px) {
  .page-privacy .pv-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 60px;
  }
}

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