/* In-page navigation: real fragment links, also usable without JavaScript. */
.page-toc {
  margin: 1.4rem 0 2rem;
  padding: 1.1rem;
  border: 1px solid var(--nav-line, #d9e2ec);
  border-radius: 14px;
  background: var(--nav-white, #fff);
  color: var(--nav-ink, #0f1e2c);
  box-shadow: 0 3px 16px rgba(10,77,140,.05);
  text-align: left;
  min-width: 0;
}
.page-toc .page-toc-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .8rem;
  font-size: .85rem;
  font-weight: 750;
  letter-spacing: .04em;
  color: var(--nav-ink-soft, #37475a);
}
.page-toc .page-toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-toc .page-toc-links li { margin: 0; padding: 0; max-width: 100%; }
.page-toc .page-toc-links a {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .5rem .75rem;
  border: 1px solid var(--nav-line, #d9e2ec);
  border-radius: 9px;
  color: var(--nav-deep, #0a4d8c);
  background: var(--nav-white, #fff);
  font-size: .88rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.page-toc .page-toc-links a:hover {
  border-color: var(--nav-deep, #0a4d8c);
  background: var(--nav-sand-2, #fbf3d9);
}
.page-toc a:focus-visible {
  outline: 3px solid var(--nav-deep, #0a4d8c);
  outline-offset: 3px;
}
.page-toc-icon { width: 18px; height: 18px; flex: 0 0 18px; }
main :is(h1,h2,h3)[id] { scroll-margin-top: 7rem; }
main :is(h1,h2,h3)[id]:target { outline: 2px solid var(--nav-line, #d9e2ec); outline-offset: 8px; border-radius: 2px; }
@media (max-width: 480px) {
  .page-toc { padding: .85rem; }
  .page-toc .page-toc-links li { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
}