.page-privacy {
  --doc-rail: 236px;
  --doc-card: rgba(14, 22, 34, 0.72);
  --doc-line-soft: rgba(43, 54, 72, 0.7);
  display: block;
}

/* ---------- hero ---------- */
.page-privacy .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 360px at 6% -20%, rgba(36, 21, 63, 0.95), transparent 68%),
    radial-gradient(720px 320px at 100% 0%, rgba(18, 48, 58, 0.5), transparent 70%),
    linear-gradient(180deg, rgba(7, 9, 15, 0.15), rgba(7, 9, 15, 0));
}

.page-privacy .doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(43, 54, 72, 0.35) 0 1px, transparent 1px 46px);
  opacity: 0.5;
  pointer-events: none;
}

.page-privacy .doc-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .doc-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding-block: clamp(24px, 5vw, 56px);
  align-items: center;
}

.page-privacy .doc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.3rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0.14em 0 0.42em;
  text-wrap: balance;
}

.page-privacy .doc-hero__lede {
  color: var(--muted);
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.78;
  margin: 0;
  max-width: 44em;
}

.page-privacy .doc-hero__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-privacy .doc-hero__meta li {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 5px 10px;
  border: 1px solid var(--doc-line-soft);
  background: rgba(7, 9, 15, 0.55);
  border-left: 2px solid var(--cyan);
}

/* ---------- figure ---------- */
.page-privacy .doc-figure {
  margin: 0;
  position: relative;
}

.page-privacy .doc-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: linear-gradient(150deg, var(--violet), var(--ink) 68%);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-privacy .doc-figure__cap {
  margin-top: 10px;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--muted);
  letter-spacing: 0.03em;
  padding-left: 12px;
  border-left: 2px solid var(--yellow);
}

/* ---------- shell ---------- */
.page-privacy .doc-shell {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-block: clamp(28px, 5vw, 60px);
}

.page-privacy .doc-toc {
  min-width: 0;
  padding: 16px 14px;
  border: 1px solid var(--line);
  background: var(--doc-card);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-privacy .doc-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yellow);
}

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

.page-privacy .doc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.45;
  border-left: 2px solid transparent;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .doc-toc__link .mono {
  font-size: 0.72rem;
  color: var(--line);
  flex: 0 0 auto;
  transition: color 0.18s ease;
}

.page-privacy .doc-toc__link:hover,
.page-privacy .doc-toc__link:focus-visible {
  color: var(--white);
  background: var(--hover);
  border-left-color: var(--cyan);
}

.page-privacy .doc-toc__link:hover .mono,
.page-privacy .doc-toc__link:focus-visible .mono {
  color: var(--cyan);
}

/* ---------- .page-privacy ---------- */
.page-privacy .doc-body {
  min-width: 0;
}

.page-privacy .doc-sec {
  padding-block: clamp(20px, 3.4vw, 34px);
  border-top: 1px solid var(--doc-line-soft);
}

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

.page-privacy .doc-sec__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--yellow);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .doc-sec__num::after {
  content: "";
  height: 1px;
  flex: 1 1 auto;
  max-width: 120px;
  background: linear-gradient(90deg, var(--yellow), transparent);
}

.page-privacy .doc-sec__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 10px;
}

.page-privacy .doc-sec__lede {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.78;
  max-width: 46em;
}

.page-privacy .doc-sub {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  margin: 24px 0 12px;
}

/* ---------- item list ---------- */
.page-privacy .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .doc-item {
  padding: 13px 16px 13px 16px;
  background: rgba(14, 22, 34, 0.55);
  border-left: 2px solid var(--line);
  border-radius: 0 6px 6px 0;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .doc-item:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 48, 58, 0.38);
}

.page-privacy .doc-item__label {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-privacy .doc-item__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- details ---------- */
.page-privacy .doc-details {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: rgba(14, 22, 34, 0.6);
}

.page-privacy .doc-details > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
}

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

.page-privacy .doc-details > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1rem;
  line-height: 1;
  color: var(--yellow);
}

.page-privacy .doc-details[open] > summary::after {
  content: "–";
}

.page-privacy .doc-details__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--doc-line-soft);
  padding-top: 12px;
}

.page-privacy .doc-details__body p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .doc-details__body p:last-child {
  margin-bottom: 0;
}

/* ---------- flow ---------- */
.page-privacy .doc-flow {
  margin-top: 22px;
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px dashed var(--line);
  background: linear-gradient(140deg, rgba(36, 21, 63, 0.5), rgba(14, 22, 34, 0.4));
}

.page-privacy .doc-flow__node {
  position: relative;
  padding: 12px 14px;
  background: rgba(7, 9, 15, 0.6);
  border-top: 2px solid var(--cyan);
}

.page-privacy .doc-flow__k {
  margin: 0 0 6px;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-privacy .doc-flow__v {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- grid cells ---------- */
.page-privacy .doc-grid {
  display: grid;
  gap: 10px;
}

.page-privacy .doc-cell {
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(14, 22, 34, 0.55);
}

.page-privacy .doc-cell__k {
  margin: 0 0 6px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-privacy .doc-cell__v {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- note ---------- */
.page-privacy .doc-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: #C9D4E8;
  background: linear-gradient(120deg, rgba(242, 255, 58, 0.09), rgba(18, 48, 58, 0.32));
  border: 1px solid var(--line);
  border-left: 3px solid var(--yellow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

/* ---------- spans (保存期限) ---------- */
.page-privacy .doc-spans {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--doc-line-soft);
  border: 1px solid var(--doc-line-soft);
}

.page-privacy .doc-span {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 12px 14px;
  background: var(--ink);
}

.page-privacy .doc-span__what {
  font-size: 0.9rem;
  color: var(--white);
}

.page-privacy .doc-span__when {
  font-size: 0.85rem;
  color: var(--cyan);
  letter-spacing: 0.03em;
}

/* ---------- rights ---------- */
.page-privacy .doc-rights {
  display: grid;
  gap: 10px;
}

.page-privacy .doc-right {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(14, 22, 34, 0.78);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-privacy .doc-right__num {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-privacy .doc-right__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}

.page-privacy .doc-right__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- contact ---------- */
.page-privacy .doc-contact {
  display: grid;
  gap: 1px;
  background: var(--doc-line-soft);
  border: 1px solid var(--doc-line-soft);
}

.page-privacy .doc-contact__row {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  background: var(--ink);
}

.page-privacy .doc-contact__k {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .doc-contact__v {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-privacy .doc-contact__sub {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-privacy .doc-updated {
  margin: 20px 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-privacy .doc-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .doc-links a {
  display: inline-block;
  padding: 7px 13px;
  font-size: 0.82rem;
  color: var(--white);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(14, 22, 34, 0.7);
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .doc-links a:hover,
.page-privacy .doc-links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--hover);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-privacy .doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .doc-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .doc-contact__row {
    grid-template-columns: 168px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-privacy .doc-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-shell {
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
    max-height: calc(100vh - var(--header-offset) - 40px);
    overflow: auto;
  }

  .page-privacy .doc-sec__lede {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-toc__link,
  .page-privacy .doc-item,
  .page-privacy .doc-links a {
    transition: none;
  }
}

@media print {
  .page-privacy .doc-toc,
  .page-privacy .doc-figure,
  .page-privacy .doc-links {
    display: none;
  }

  .page-privacy .doc-hero {
    background: none;
    border-bottom: 1px solid #999;
  }

  .page-privacy .doc-hero::after {
    display: none;
  }

  .page-privacy .doc-hero__title,
  .page-privacy .doc-sec__title,
  .page-privacy .doc-item__label,
  .page-privacy .doc-right__title,
  .page-privacy .doc-contact__v,
  .page-privacy .doc-span__what {
    color: #000;
  }

  .page-privacy .doc-hero__lede,
  .page-privacy .doc-sec__lede,
  .page-privacy .doc-item__text,
  .page-privacy .doc-right__text,
  .page-privacy .doc-cell__v,
  .page-privacy .doc-note,
  .page-privacy .doc-updated {
    color: #222;
  }

  .page-privacy .doc-item,
  .page-privacy .doc-cell,
  .page-privacy .doc-right,
  .page-privacy .doc-note,
  .page-privacy .doc-toc {
    background: #fff;
    border-color: #999;
    clip-path: none;
  }

  .page-privacy .doc-span,
  .page-privacy .doc-contact__row {
    background: #fff;
  }

  .page-privacy .doc-span__when,
  .page-privacy .doc-sub,
  .page-privacy .doc-contact__sub,
  .page-privacy .doc-flow__k {
    color: #0b4a5c;
  }

  .page-privacy .doc-sec {
    break-inside: avoid;
  }
}
<<<PAGE_CSS_END>>>