.page-privacy {
  --pw-measure: 62ch;
  --pw-rule: 1px solid #DEDAD0;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-privacy .breadcrumb {
  padding-block: 1.25rem .25rem;
}

/* 页首 */
.page-privacy .privacy-hero {
  padding-block: clamp(1.25rem, 3.5vw, 2rem) 0;
}

.page-privacy .privacy-hero h1 {
  margin: .5rem 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--royal);
}

.page-privacy .privacy-hero__lead {
  max-width: var(--pw-measure);
  margin: 1rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .privacy-hero__media {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--line);
  object-fit: cover;
}

/* 目录 + 正文的双栏骨架 */
.page-privacy .privacy-layout {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .privacy-toc {
  border: var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.page-privacy .privacy-toc__summary {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .5rem 1rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--royal);
  background: var(--ivory);
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-toc__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-toc__summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 1rem;
  color: var(--gold);
}

.page-privacy .privacy-toc[open] .privacy-toc__summary::after {
  content: "－";
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: .5rem;
  display: grid;
  gap: .125rem;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  min-height: 44px;
  padding: .625rem .5rem;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--ink);
  font-size: .9375rem;
  line-height: 1.5;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  border-left-color: var(--gold);
  background: var(--ivory);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gray);
}

/* 正文窄栏 */
.page-privacy .privacy-main {
  max-width: var(--pw-measure);
}

.page-privacy .privacy-sec {
  position: relative;
  padding-block: clamp(1.5rem, 3.5vw, 2.25rem);
  border-top: var(--pw-rule);
}

.page-privacy .privacy-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 2.25rem;
  height: 2px;
  background: var(--gold);
}

.page-privacy .privacy-sec:first-of-type {
  border-top: 0;
  padding-top: .25rem;
}

.page-privacy .privacy-sec:first-of-type::before {
  display: none;
}

.page-privacy .privacy-sec__title {
  margin: 0 0 1.125rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.1875rem, 2.4vw, 1.4375rem);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--royal);
}

.page-privacy .privacy-item {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: .625rem;
  align-items: start;
}

.page-privacy .privacy-item + .privacy-item {
  margin-top: .875rem;
}

.page-privacy .privacy-item__num {
  padding-top: .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-privacy .privacy-item p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .privacy-item a {
  color: var(--royal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-item a:hover {
  color: var(--navy);
  text-decoration-thickness: 2px;
}

/* 页尾纯文字入口 */
.page-privacy .privacy-foot {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: 1.25rem;
  border-top: 2px solid var(--navy);
}

.page-privacy .privacy-foot__note {
  max-width: var(--pw-measure);
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--gray);
}

.page-privacy .privacy-foot__note a {
  color: var(--royal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-foot__note a:hover {
  color: var(--navy);
}

/* 宽屏：目录固定在左，正文独立成栏 */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 5.5rem;
    border: 0;
    border-top: 2px solid var(--navy);
    padding-top: .875rem;
    background: transparent;
    box-shadow: none;
  }

  .page-privacy .privacy-toc__summary {
    display: none;
  }

  .page-privacy .privacy-toc__list {
    padding: 0;
    gap: .25rem;
  }

  .page-privacy .privacy-toc__link {
    padding: .5rem .375rem;
    min-height: 0;
    font-size: .9375rem;
  }

  .page-privacy .privacy-main {
    max-width: var(--pw-measure);
  }
}

@media (max-width: 420px) {
  .page-privacy .privacy-item {
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: .375rem;
  }

  .page-privacy .privacy-item p {
    font-size: .9375rem;
  }
}

@media print {
  .page-privacy .breadcrumb,
  .page-privacy .privacy-toc,
  .page-privacy .privacy-hero__media,
  .page-privacy .privacy-sec::before {
    display: none !important;
  }

  .page-privacy .privacy-layout {
    display: block;
  }

  .page-privacy .privacy-main {
    max-width: none;
  }

  .page-privacy .privacy-hero h1,
  .page-privacy .privacy-sec__title {
    color: #000;
  }

  .page-privacy .privacy-sec {
    border-top: 1px solid #999;
    padding-block: 1rem;
  }

  .page-privacy .privacy-foot {
    border-top: 1px solid #999;
  }
}