.page-disclaimer {
  --disc-line: rgba(36, 26, 21, .14);
  --disc-ink: #241A15;
  background:
    radial-gradient(120% 70% at 82% -10%, rgba(52, 226, 212, .14) 0%, rgba(6, 24, 43, 0) 62%),
    radial-gradient(90% 60% at 4% 8%, rgba(255, 106, 69, .10) 0%, rgba(6, 24, 43, 0) 58%),
    var(--ink-900);
  color: var(--text-bright);
  padding: clamp(18px, 3vw, 32px) 0 clamp(52px, 7vw, 104px);
  overflow-x: clip;
}

.page-disclaimer .usage-mast {
  max-width: 46em;
  padding: clamp(14px, 2.6vw, 26px) 0 clamp(20px, 3vw, 32px);
}

.page-disclaimer .usage-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -.025em;
  color: var(--text-bright);
}

.page-disclaimer .usage-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--text-mute);
}

.page-disclaimer .usage-hero {
  margin: clamp(20px, 3.4vw, 38px) 0 0;
}

.page-disclaimer .usage-hero img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-disclaimer .usage-layout {
  display: flex;
  flex-direction: column;
  gap: clamp(26px, 4.5vw, 52px);
  margin-top: clamp(26px, 4vw, 48px);
}

.page-disclaimer .usage-index {
  order: -1;
}

.page-disclaimer .index-label {
  display: none;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-disclaimer .index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-disclaimer .index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-mute);
  text-decoration: none;
  white-space: nowrap;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-disclaimer .index-list a .num {
  font-size: 11px;
  color: var(--steel);
}

.page-disclaimer .index-list a:hover {
  color: var(--cyan);
  border-color: var(--line-cool);
}

.page-disclaimer .index-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-disclaimer .usage-body {
  padding: clamp(22px, 3.6vw, 54px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-disclaimer .usage-chapter {
  padding-bottom: clamp(26px, 3.6vw, 40px);
  border-bottom: 1px solid var(--disc-line);
  scroll-margin-top: 108px;
}

.page-disclaimer .usage-chapter + .usage-chapter {
  padding-top: clamp(26px, 3.6vw, 40px);
}

.page-disclaimer .usage-chapter:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .chapter-head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.4vw, 16px);
  margin: 0 0 14px;
}

.page-disclaimer .chapter-no {
  flex: none;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--coral);
}

.page-disclaimer .chapter-title {
  margin: 0;
  font-size: clamp(21px, 3.1vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.012em;
  color: var(--disc-ink);
}

.page-disclaimer .usage-p {
  margin: 0 0 16px;
  max-width: 36em;
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: rgba(36, 26, 21, .82);
}

.page-disclaimer .usage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .usage-list li {
  position: relative;
  padding-left: 26px;
  max-width: 36em;
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: rgba(36, 26, 21, .78);
}

.page-disclaimer .usage-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .82em;
  width: 12px;
  height: 2px;
  background: var(--coral);
}

.page-disclaimer .usage-contact {
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--disc-line);
}

.page-disclaimer .contact-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--disc-line);
}

.page-disclaimer .contact-row dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(36, 26, 21, .52);
}

.page-disclaimer .contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 16px);
  font-weight: 600;
  color: var(--disc-ink);
  word-break: break-word;
}

.page-disclaimer .contact-note {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(36, 26, 21, .68);
}

.page-disclaimer .contact-note a {
  color: var(--coral);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .contact-note a:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-disclaimer .usage-cap {
  height: 2px;
  margin: clamp(34px, 5vw, 60px) 0 0;
  background: linear-gradient(90deg, var(--coral) 0%, rgba(255, 106, 69, .16) 62%, rgba(255, 106, 69, 0) 100%);
}

@media (min-width: 560px) {
  .page-disclaimer .contact-row {
    grid-template-columns: 124px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .usage-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 208px;
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-disclaimer .usage-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .usage-index {
    grid-column: 2;
    grid-row: 1;
    order: 0;
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .index-label {
    display: block;
  }

  .page-disclaimer .index-list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-disclaimer .index-list a {
    padding: 9px 0 9px 15px;
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    font-size: 14px;
    color: var(--text-mute);
    white-space: normal;
    transition: color .22s var(--ease), border-color .22s var(--ease);
  }

  .page-disclaimer .index-list a:hover,
  .page-disclaimer .index-list a:focus-visible {
    color: var(--cyan);
    border-left-color: var(--coral);
  }
}