@charset "UTF-8";

@media screen {
  body.has-inline-toc {
    max-width: none;
    padding: 0;
    background: var(--canvas);
    box-shadow: none;
  }

  .document-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 3.5rem clamp(1.25rem, 5vw, 4.5rem) 5rem;
    background: var(--paper);
    box-shadow: 0 12px 44px rgb(89 61 43 / 12%);
  }

  .document-content a,
  .document-content :not(pre) > code {
    overflow-wrap: anywhere;
  }

  #toc {
    position: relative;
    z-index: 80;
    width: min(960px, calc(100% - 2rem));
    margin: 1rem auto 0;
    font-family: 'TM Kamishibai Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .document-toc__panel {
    border: 1px solid var(--line);
    border-radius: 0.55rem;
    background: rgb(255 253 248 / 97%);
    box-shadow: 0 8px 28px rgb(89 61 43 / 14%);
  }

  .document-toc__summary {
    padding: 0.75rem 1rem;
    color: var(--ink);
    font-weight: 800;
    cursor: pointer;
    user-select: none;
  }

  .document-toc__summary::marker {
    color: var(--accent);
  }

  .document-toc__viewport {
    max-height: min(65vh, 34rem);
    padding: 0 0.75rem 0.85rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
  }

  #toc ol {
    margin: 0;
    padding-left: 0;
  }

  #toc li {
    display: grid;
    grid-template-columns: max-content 1.65rem minmax(0, 1fr);
    column-gap: 0.25rem;
    align-items: start;
    margin: 0.1rem 0;
    list-style: none;
    break-inside: avoid;
  }

  #toc > .document-toc__panel > .document-toc__viewport > ol {
    counter-reset: general-toc-chapter;
  }

  .document-toc--css-numbered li[data-section-level='2'] {
    counter-increment: general-toc-chapter;
    counter-reset: general-toc-section;
  }

  .document-toc--css-numbered li[data-section-level='3'] {
    counter-increment: general-toc-section;
  }

  .document-toc--css-numbered li[data-section-level='2']::before {
    grid-column: 1;
    padding-top: 0.45rem;
    content: counter(general-toc-chapter) '.';
    color: var(--muted);
    font-variant-numeric: tabular-nums;
  }

  .document-toc--css-numbered li[data-section-level='3']::before {
    grid-column: 1;
    padding-top: 0.45rem;
    content: counter(general-toc-chapter) '.' counter(general-toc-section);
    color: var(--muted);
    font-variant-numeric: tabular-nums;
  }

  #toc li > a {
    grid-column: 3;
    min-width: 0;
    padding: 0.42rem 0.35rem;
    border-radius: 0.3rem;
    color: currentcolor;
    overflow-wrap: anywhere;
    text-decoration: none;
  }

  #toc li > a:hover {
    background: var(--accent-soft);
    text-decoration: underline;
  }

  #toc li > a[aria-current='location'] {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 800;
  }

  #toc li > ol {
    grid-column: 2 / -1;
    width: 100%;
    padding-left: 0.5rem;
    border-left: 1px solid var(--line);
  }

  #toc.document-toc--explicit-labels li {
    grid-template-columns: 1.65rem minmax(0, 1fr);
  }

  #toc.document-toc--explicit-labels li > a {
    grid-column: 2;
  }

  #toc.document-toc--explicit-labels li > ol {
    grid-column: 1 / -1;
  }

  .document-toc__toggle {
    display: grid;
    grid-row: 1;
    grid-column: 2;
    width: 1.65rem;
    height: 1.65rem;
    margin-top: 0.25rem;
    padding: 0;
    place-items: center;
    border: 0;
    border-radius: 0.3rem;
    background: transparent;
    color: var(--accent);
    cursor: pointer;
  }

  #toc.document-toc--explicit-labels .document-toc__toggle {
    grid-column: 1;
  }

  .document-toc__toggle::before {
    content: '›';
    font-size: 1.25rem;
    line-height: 1;
    transform: rotate(0deg);
    transform-origin: center;
    transition: transform 120ms ease;
  }

  .document-toc__toggle[aria-expanded='true']::before {
    transform: rotate(90deg);
  }

  .document-toc__summary:focus-visible,
  .document-toc__toggle:focus-visible,
  #toc li > a:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
  }

  .document-toc--css-numbered li[data-section-level='2']:has(> a[href$='#terminology']),
  .document-toc--css-numbered
    li[data-section-level='2']:has(> a[href$='#terminology'])
    li[data-section-level='3'] {
    counter-increment: none;
  }

  .document-toc--css-numbered li[data-section-level='2']:has(> a[href$='#terminology'])::before,
  .document-toc--css-numbered
    li[data-section-level='2']:has(> a[href$='#terminology'])
    li[data-section-level='3']::before {
    content: none;
  }

  .document-content :is(h1, h2, h3)[id] {
    scroll-margin-top: 6rem;
  }

  @media (min-width: 1100px) {
    body.has-inline-toc {
      --document-toc-left: max(1rem, calc((100vw - 1440px) / 2));
      --document-toc-width: clamp(16rem, 23vw, 20rem);
    }

    #toc {
      position: fixed;
      top: 5.25rem;
      left: var(--document-toc-left);
      width: var(--document-toc-width);
      margin: 0;
    }

    .document-toc__viewport {
      max-height: calc(100vh - 9rem);
    }

    .document-content {
      width: min(960px, calc(100vw - var(--document-toc-left) - var(--document-toc-width) - 3rem));
      margin-right: auto;
      margin-left: calc(var(--document-toc-left) + var(--document-toc-width) + 1.5rem);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .document-toc__toggle::before {
      transition: none;
    }
  }
}