:root {
  --manual-aside-width: 236px;
  --manual-rule-width: 3px;
  --manual-copy-measure: 760px;
}

.manual-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .7fr);
  gap: 48px;
  align-items: end;
  border-bottom: 1px solid var(--color-border);
}

.manual-hero-copy {
  max-width: 860px;
}

.manual-hero h1 {
  max-width: 850px;
  margin-top: 22px;
  font-size: clamp(3.4rem, 7vw, 6.8rem);
  line-height: .92;
}

.manual-hero-actions {
  margin-top: 28px;
}

.manual-fact-strip {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.manual-hero-note {
  position: relative;
  padding: 28px 0 28px 30px;
  border-left: var(--manual-rule-width) solid var(--color-accent);
}

.manual-hero-note h2 {
  margin-top: 10px;
  font-size: 1.55rem;
}

.manual-hero-note p {
  color: var(--color-text-muted);
  font-size: .92rem;
}

.manual-hero-note p:last-child {
  margin-bottom: 0;
}

.manual-hero-note a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: .2em;
}

.manual-layout {
  display: grid;
  grid-template-columns: var(--manual-aside-width) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  padding-top: 54px;
}

.manual-aside {
  position: relative;
  align-self: stretch;
  min-height: 100%;
}

.manual-toc {
  top: var(--toc-top);
  margin-bottom: 24px;
  padding: 10px;
  flex-direction: column;
  gap: 3px;
  box-shadow: none;
}

.manual-toc a {
  width: 100%;
}

.manual-aside-caption {
  position: sticky;
  top: calc(var(--toc-top) + 410px);
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.manual-aside-caption p {
  margin: 9px 0 0;
  color: var(--color-text-faint);
  font-size: .78rem;
  line-height: 1.65;
}

.manual-article {
  width: 100%;
  max-width: var(--manual-copy-measure);
  padding-bottom: var(--section-space);
}

.manual-chapter {
  position: relative;
  padding-top: 34px;
  padding-bottom: 86px;
  border-bottom: 1px solid var(--color-border);
}

.manual-chapter:first-child {
  padding-top: 0;
}

.manual-chapter::before {
  position: absolute;
  top: 46px;
  left: -32px;
  width: 9px;
  height: 9px;
  content: "";
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
}

.manual-chapter:first-child::before {
  top: 12px;
}

.chapter-head {
  margin-bottom: 34px;
}

.chapter-code {
  display: block;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .09em;
}

.manual-article .chapter-head h2 {
  margin: 0;
}

.manual-article h3 {
  margin-top: 2.25em;
}

.manual-article p,
.manual-article li {
  color: var(--color-text-muted);
}

.manual-article p {
  text-align: justify;
  text-justify: inter-ideograph;
}

.manual-table-wrap {
  margin: 34px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.manual-data-table {
  min-width: 720px;
  margin: 0;
}

.manual-data-table td {
  color: var(--color-text-muted);
}

.manual-data-table td:first-child {
  color: var(--color-text);
  font-weight: 700;
}

.manual-article pre {
  margin: 24px 0;
  border-left: var(--manual-rule-width) solid var(--color-accent);
}

.manual-end {
  margin-top: 64px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  background: var(--color-panel-raised);
}

.manual-end h2 {
  margin-top: 10px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.manual-end p {
  max-width: 650px;
}

@media (max-width: 980px) {
  .manual-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .manual-hero h1 {
    font-size: clamp(3.4rem, 12vw, 6.2rem);
  }

  .manual-hero-note {
    max-width: 720px;
  }

  .manual-layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .manual-aside {
    min-height: 0;
  }

  .manual-toc {
    flex-direction: row;
  }

  .manual-toc a {
    width: auto;
  }

  .manual-aside-caption {
    display: none;
  }

  .manual-article {
    max-width: 820px;
    margin-inline: auto;
  }

  .manual-chapter::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .manual-hero {
    gap: 34px;
  }

  .manual-hero h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .manual-hero-note {
    padding: 22px 0 22px 20px;
  }

  .manual-hero-actions .button {
    flex: 1 1 0;
    min-width: 0;
  }

  .manual-layout {
    padding-top: 28px;
  }

  .manual-chapter {
    padding-top: 28px;
    padding-bottom: 60px;
  }

  .manual-chapter:first-child {
    padding-top: 8px;
  }

  .manual-article p {
    text-align: left;
  }

  .manual-end {
    padding: 24px;
  }

  .manual-end .button {
    width: 100%;
  }
}