.page-privacy {
  --privacy-paper: var(--color-cream);
  position: relative;
  background: var(--color-primary);
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.page-privacy__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-privacy__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: calc(var(--header-h) + 0.5rem);
  padding-bottom: 0.5rem;
}

.page-privacy .breadcrumb__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.page-privacy .breadcrumb__link:hover {
  color: var(--color-cyan);
}

.page-privacy .breadcrumb__sep {
  color: var(--color-cyan);
  margin-inline: 0.25rem;
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--color-cyan);
}

.page-privacy__top-coord {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-cyan);
  opacity: 0.85;
}

.page-privacy__hero {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0 3.5rem;
  color: var(--color-white);
}

.page-privacy__hero-inner {
  max-width: 1000px;
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-privacy__hero-title {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 7vw, 4.4rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.06;
  margin: 0.75rem 0 1.25rem;
  color: var(--color-white);
}

.page-privacy__hero-version {
  display: inline-block;
  margin-left: 0.65rem;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  vertical-align: middle;
  transform: translateY(-0.3em);
}

.page-privacy__hero-lead {
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
}

.page-privacy__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.page-privacy__hero-meta > div {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.page-privacy__hero-meta dt {
  color: rgba(255, 255, 255, 0.6);
}

.page-privacy__hero-meta dd {
  margin: 0;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.page-privacy__layout {
  position: relative;
  z-index: 1;
  padding-top: 0.5rem;
  padding-bottom: 5rem;
}

.page-privacy__toc {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.page-privacy__toc-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.page-privacy__toc-title {
  margin: 0.25rem 0 0;
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
}

.page-privacy__toc-list {
  list-style: none;
  display: flex;
  gap: 0.45rem;
  margin: 0.75rem 0 0;
  padding: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy__toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy__toc-item {
  flex: 0 0 auto;
}

.page-privacy__toc-item a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.page-privacy__toc-item a:hover,
.page-privacy__toc-item a:focus-visible {
  background: rgba(0, 229, 255, 0.12);
  border-color: rgba(0, 229, 255, 0.45);
  color: var(--color-cyan);
}

.page-privacy__toc-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

.page-privacy__toc-foot {
  display: none;
}

.page-privacy__doc {
  position: relative;
  background: var(--color-cream);
  color: var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  padding: clamp(1.25rem, 4vw, 3.25rem);
  overflow: hidden;
}

.page-privacy__doc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0 34%, var(--color-cyan) 34% 100%);
}

.page-privacy__doc a {
  color: var(--color-accent);
  text-decoration-color: rgba(255, 90, 60, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.page-privacy__doc a:hover {
  color: var(--color-primary);
}

.page-privacy__intro {
  font-size: 1.05rem;
  line-height: 1.85;
  padding-bottom: 1.5rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.25);
}

.page-privacy__section {
  position: relative;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.12);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-privacy__section:last-of-type {
  border-bottom: none;
}

.page-privacy__section:target {
  background: rgba(0, 229, 255, 0.055);
  box-shadow: inset 4px 0 0 var(--color-cyan);
  border-radius: var(--radius);
}

.page-privacy__sec-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-privacy__sec-index {
  font-family: var(--font-mono);
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  line-height: 1;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-accent);
  opacity: 0.45;
  user-select: none;
  flex: 0 0 auto;
  letter-spacing: 0.04em;
}

.page-privacy__sec-title {
  margin: 0.15rem 0 0;
  font-family: var(--font-headline);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  color: var(--color-ink);
}

.page-privacy__section h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--color-ink);
}

.page-privacy__section > p {
  margin: 0 0 1rem;
  line-height: 1.8;
  font-size: 0.98rem;
}

.page-privacy__list {
  margin: 0.5rem 0 1.25rem;
  padding-left: 1.1rem;
}

.page-privacy__list li {
  margin-bottom: 0.5rem;
  line-height: 1.75;
  padding-left: 0.25rem;
}

.page-privacy__purpose {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.page-privacy__purpose-card {
  background: var(--color-white);
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-privacy__purpose-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(10, 27, 61, 0.1);
}

.page-privacy__purpose-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-privacy__purpose-card h3 {
  margin: 0.5rem 0 0.45rem;
}

.page-privacy__purpose-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-privacy__note {
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  background: rgba(10, 27, 61, 0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-privacy__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-privacy__security {
  display: grid;
  gap: 1.5rem;
  margin: 1.75rem 0 1.25rem;
}

.page-privacy__security-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-secondary);
}

.page-privacy__security-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-privacy__security-figure figcaption {
  padding: 0.45rem 0.25rem 0;
  font-size: 0.8rem;
  color: rgba(26, 26, 26, 0.62);
}

.page-privacy__security-block h3 {
  margin-top: 0.5rem;
}

.page-privacy__notice {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(10, 27, 61, 0.05);
  border: 1px dashed rgba(255, 90, 60, 0.55);
  border-radius: var(--radius);
}

.page-privacy__notice-icon {
  flex: 0 0 auto;
  margin-top: 0.15rem;
}

.page-privacy__notice p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-privacy__right {
  border: 1px solid rgba(26, 26, 26, 0.18);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: var(--color-white);
  overflow: hidden;
}

.page-privacy__right summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.75rem 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  transition: background 0.2s;
}

.page-privacy__right summary::-webkit-details-marker {
  display: none;
}

.page-privacy__right summary:hover {
  background: rgba(10, 27, 61, 0.05);
}

.page-privacy__right summary::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 1.2rem;
  width: 8px;
  height: 8px;
  border-left: 2px solid rgba(26, 26, 26, 0.4);
  border-bottom: 2px solid rgba(26, 26, 26, 0.4);
  transform: rotate(-45deg);
  transition: transform 0.25s, border-color 0.25s;
}

.page-privacy__right[open] summary::after {
  transform: rotate(135deg);
  border-color: var(--color-accent);
}

.page-privacy__right-index {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  flex: 0 0 auto;
}

.page-privacy__right-detail {
  padding: 0 1.25rem 1.15rem 3.75rem;
}

.page-privacy__right-detail p {
  margin: 0;
  line-height: 1.7;
  font-size: 0.94rem;
}

.page-privacy__contact {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  border-top: 1px dashed rgba(26, 26, 26, 0.25);
}

.page-privacy__contact li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed rgba(26, 26, 26, 0.25);
  font-size: 0.94rem;
}

.page-privacy__contact li span:first-child {
  flex: 0 0 auto;
  color: rgba(26, 26, 26, 0.62);
}

.page-privacy__contact li span:last-child {
  text-align: right;
  color: var(--color-ink);
  font-weight: 600;
  word-break: break-all;
}

.page-privacy__icp {
  display: inline-block;
  margin-top: 1.75rem;
  padding: 0.8rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-grid);
  border-radius: var(--radius);
}

@media (min-width: 700px) {
  .page-privacy__purpose {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy__security {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 960px) {
  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    padding: 1.35rem;
  }

  .page-privacy__toc-list {
    display: block;
    margin-top: 1rem;
    padding: 0;
    overflow: visible;
  }

  .page-privacy__toc-item a {
    border-radius: var(--radius);
    background: transparent;
    padding: 0.6rem 0.8rem;
    white-space: normal;
  }

  .page-privacy__toc-item a:hover,
  .page-privacy__toc-item a:focus-visible {
    background: rgba(0, 229, 255, 0.1);
    border-color: transparent;
  }

  .page-privacy__toc-foot {
    display: block;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    line-height: 1.65;
  }

  .page-privacy__layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-privacy__doc {
    padding: clamp(2rem, 4vw, 3.5rem);
  }
}