.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 3px;
  background: var(--sage-dark);
  color: #fff;
  font-weight: 700;
  transform: translateY(calc(-100% - 24px));
  transition: transform .16s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}

.manual-main {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.manual-site-header .brand-logo {
  width: 152px;
  height: auto;
}

.manual-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr);
  gap: clamp(44px, 7vw, 104px);
  align-items: end;
  padding: clamp(76px, 8vw, 124px) 0 64px;
  border-bottom: 1px solid var(--line);
}

.manual-hero h1 {
  max-width: 900px;
  margin: 16px 0 24px;
  font-size: clamp(45px, 5.2vw, 72px);
  font-weight: 730;
  line-height: 1.08;
  letter-spacing: -.05em;
}

.manual-hero > div > p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.manual-hero-note {
  padding: 28px 30px;
  border-top: 4px solid var(--record);
  background: var(--card);
  box-shadow: 0 18px 44px rgba(32, 50, 57, .07);
}

.manual-hero-note strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 16px;
}

.manual-hero-note p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.manual-search-section {
  display: grid;
  grid-template-columns: minmax(240px, .8fr) minmax(420px, 1.2fr);
  gap: 64px;
  align-items: end;
  padding: 64px 0 44px;
}

.manual-search-section h2 {
  max-width: 520px;
  margin: 8px 0 0;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.2;
  letter-spacing: -.035em;
}

.manual-search-box label {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.manual-search-box input {
  width: 100%;
  min-height: 58px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 17px;
  box-shadow: 0 10px 30px rgba(32, 50, 57, .05);
}

.manual-search-box input::placeholder { color: #849095; }

.manual-search-status {
  min-height: 1.5em;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.manual-catalog { padding: 8px 0 96px; }

.manual-group {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.manual-group[hidden] { display: none; }

.manual-group-heading {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding-top: 8px;
}

.manual-group-heading span {
  color: var(--record);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .1em;
}

.manual-group-heading h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
}

.manual-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.manual-card {
  position: relative;
  display: flex;
  min-height: 248px;
  padding: 28px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--card);
  transition: border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}

.manual-card::after {
  position: absolute;
  right: -36px;
  bottom: -52px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(49, 95, 105, .12);
  border-radius: 50%;
  content: "";
}

.manual-card:hover {
  border-color: var(--sage);
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(32, 50, 57, .09);
}

.manual-card[hidden] { display: none; }

.manual-card-order {
  color: var(--record);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
}

.manual-card h3 {
  margin: 22px 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

.manual-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.manual-card-link {
  z-index: 1;
  margin-top: auto;
  color: var(--sage-dark);
  font-size: 13px;
  font-weight: 700;
}

.manual-no-results {
  padding: 36px;
  border: 1px dashed var(--line);
  background: var(--card);
  color: var(--muted);
  text-align: center;
}

.manual-disclaimer {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 52px;
  margin-bottom: 100px;
  padding: 34px 38px;
  border-left: 4px solid var(--warn);
  background: #ecebe6;
}

.manual-disclaimer h2 {
  margin: 0;
  font-size: 19px;
}

.manual-disclaimer p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.manual-breadcrumb {
  display: flex;
  gap: 10px;
  padding: 28px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.manual-breadcrumb a {
  color: var(--sage-dark);
  font-weight: 700;
}

.manual-page-layout {
  display: grid;
  grid-template-columns: 215px minmax(0, 760px) 170px;
  gap: clamp(30px, 4vw, 60px);
  justify-content: center;
  align-items: start;
  padding-bottom: 110px;
}

.manual-sidebar,
.manual-page-toc {
  position: sticky;
  top: 106px;
  max-height: calc(100vh - 132px);
  overflow: auto;
  scrollbar-width: thin;
}

.manual-sidebar details,
.manual-sidebar summary { margin: 0; }

.manual-sidebar summary {
  display: none;
  cursor: pointer;
  font-weight: 700;
}

.manual-sidebar-group {
  margin-bottom: 22px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.manual-sidebar-group strong {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}

.manual-sidebar-group a {
  display: block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.manual-sidebar-group a:hover { color: var(--sage-dark); }

.manual-sidebar-group a[aria-current="page"] {
  color: var(--ink);
  font-weight: 750;
}

.manual-article {
  min-width: 0;
  padding: clamp(38px, 5vw, 64px);
  border: 1px solid var(--line);
  background: var(--card);
}

.manual-article-header {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.manual-article-header h1 {
  margin: 10px 0 16px;
  font-size: clamp(38px, 4.6vw, 58px);
  font-weight: 730;
  line-height: 1.12;
  letter-spacing: -.045em;
}

.manual-article-header > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.manual-article-body {
  color: #35464c;
  font-size: 16px;
}

.manual-article-body h2 {
  margin: 58px 0 18px;
  padding-top: 4px;
  color: var(--ink);
  font-size: 30px;
  line-height: 1.28;
  letter-spacing: -.025em;
  scroll-margin-top: 110px;
}

.manual-article-body h2::before {
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 15px;
  background: var(--record);
  content: "";
}

.manual-article-body h3 {
  margin: 34px 0 12px;
  color: var(--ink);
  font-size: 21px;
  scroll-margin-top: 110px;
}

.manual-article-body p { margin: 14px 0; }

.manual-article-body ul,
.manual-article-body ol {
  margin: 14px 0;
  padding-left: 1.45em;
}

.manual-article-body li { margin: 8px 0; }
.manual-article-body li::marker { color: var(--sage); }

.manual-article-body blockquote {
  margin: 26px 0;
  padding: 18px 22px;
  border-left: 4px solid var(--warn);
  background: #f2f0e9;
  color: #59666a;
}

.manual-article-body blockquote p { margin: 0; }

.manual-article-body code {
  padding: 2px 6px;
  border-radius: 3px;
  background: #e9eeec;
  color: #31545d;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: .9em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.manual-article-body a {
  color: var(--sage-dark);
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.manual-article-body hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.manual-page-toc {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.manual-page-toc strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 13px;
}

.manual-page-toc a {
  display: block;
  margin: 8px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.manual-page-toc a:hover,
.manual-page-toc a.is-active { color: var(--record); }

.manual-page-pagination {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 70px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.manual-page-pagination a {
  display: flex;
  min-height: 98px;
  padding: 18px;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  background: #f4f6f5;
}

.manual-page-pagination a:hover { border-color: var(--sage); }

.manual-page-pagination span {
  color: var(--muted);
  font-size: 12px;
}

.manual-page-pagination strong {
  margin-top: 4px;
  line-height: 1.35;
}

.manual-page-pagination .next { text-align: right; }

@media (min-width: 1500px) {
  .manual-main { width: min(1400px, calc(100% - 96px)); }
  .manual-page-layout { grid-template-columns: 240px minmax(0, 820px) 190px; }
  .manual-card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .manual-page-layout { grid-template-columns: 190px minmax(0, 1fr); }
  .manual-page-toc { display: none; }
  .manual-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .manual-main { width: min(100% - 32px, 720px); }
  .manual-site-header .menu-button { display: none; }
  .manual-hero,
  .manual-search-section,
  .manual-group,
  .manual-disclaimer { grid-template-columns: 1fr; }
  .manual-hero { gap: 32px; padding-top: 58px; }
  .manual-hero h1 { font-size: clamp(40px, 10vw, 58px); }
  .manual-search-section { gap: 28px; }
  .manual-group { gap: 20px; }
  .manual-group-heading { padding-top: 0; }
  .manual-disclaimer { gap: 12px; }
  .manual-page-layout { display: block; padding-bottom: 76px; }
  .manual-sidebar { position: static; max-height: none; margin-bottom: 16px; overflow: visible; }
  .manual-sidebar details { border: 1px solid var(--line); background: var(--card); }
  .manual-sidebar summary { display: block; padding: 14px 16px; }
  .manual-sidebar details > .manual-sidebar-group { margin: 0 16px 18px; }
  .manual-article { padding: clamp(28px, 7vw, 46px); }
}

@media (max-width: 560px) {
  .manual-main { width: min(100% - 24px, 520px); }
  .manual-hero { padding: 46px 0 44px; }
  .manual-hero h1 { font-size: 39px; }
  .manual-hero h1 br { display: none; }
  .manual-hero > div > p:last-child { font-size: 16px; }
  .manual-hero-note { padding: 23px; }
  .manual-search-section { padding: 48px 0 34px; }
  .manual-search-box input { min-height: 54px; font-size: 16px; }
  .manual-card-grid { grid-template-columns: 1fr; }
  .manual-card { min-height: 220px; padding: 24px; }
  .manual-catalog { padding-bottom: 64px; }
  .manual-disclaimer { margin-bottom: 70px; padding: 26px; }
  .manual-breadcrumb { padding-top: 20px; }
  .manual-article { margin-right: -12px; margin-left: -12px; border-right: 0; border-left: 0; }
  .manual-article-header h1 { font-size: 36px; }
  .manual-article-body { font-size: 15px; }
  .manual-article-body h2 { margin-top: 46px; font-size: 26px; }
  .manual-page-pagination { grid-template-columns: 1fr; }
  .manual-page-pagination .next { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .manual-card { transition: none; }
}

@media print {
  .manual-site-header,
  .manual-sidebar,
  .manual-page-toc,
  .manual-page-pagination,
  .site-footer { display: none !important; }
  .manual-main { width: 100%; }
  .manual-page-layout { display: block; padding: 0; }
  .manual-article { padding: 0; border: 0; }
}