:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #59636e;
  --border: #d1d9e0;
  --sidebar-bg: #f6f8fa;
  --accent: #0969da;
  --code-bg: #f6f8fa;
  --mark: #fff8c5;
  --sidebar-width: 280px;
  --outline-width: 240px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #f0f6fc;
    --muted: #9198a1;
    --border: #3d444d;
    --sidebar-bg: #151b23;
    --accent: #4493f8;
    --code-bg: #151b23;
    --mark: #5a4a00;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}
#sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  padding: 1rem;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
}
.site-title {
  display: block;
  padding-right: 26px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
  margin-bottom: .75rem;
  overflow-wrap: anywhere;
}
#search {
  width: 100%;
  padding: .4rem .6rem;
  font-size: .9rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#search:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
#search-results { margin-top: .5rem; }
.search-hit {
  display: block;
  padding: .4rem .5rem;
  margin-bottom: .25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--fg);
  font-size: .85rem;
}
.search-hit:hover { border-color: var(--accent); }
.search-hit .hit-title { font-weight: 600; color: var(--accent); display: block; }
.search-hit .hit-excerpt { color: var(--muted); font-size: .8rem; }
.search-hit mark { background: var(--mark); color: inherit; border-radius: 2px; }
.search-empty { color: var(--muted); font-size: .85rem; padding: .4rem .2rem; }
#nav { margin-top: .75rem; font-size: .9rem; }
#nav ul { list-style: none; margin: 0; padding-left: 0; }
#nav ul ul { padding-left: 1rem; }
#nav li { margin: .1rem 0; }
#nav a, #nav .nav-dir {
  display: inline-block;
  padding: .15rem .3rem;
  border-radius: 4px;
  color: var(--fg);
  text-decoration: none;
  overflow-wrap: anywhere;
}
#nav a:hover { color: var(--accent); }
#nav a.current { background: var(--accent); color: #fff; }
#nav .nav-dir { color: var(--muted); }
#nav summary { cursor: pointer; }
#nav summary::marker { color: var(--muted); }
#sidebar-toggle {
  display: none;
  position: fixed;
  top: .6rem; left: .6rem;
  z-index: 20;
  padding: .3rem .55rem;
  font-size: 1rem;
  background: var(--sidebar-bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#outline {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: var(--outline-width);
  overflow-y: auto;
  padding: 2.2rem .75rem 1rem;
  border-left: 1px solid var(--border);
  font-size: .82rem;
  line-height: 1.5;
}
body.outline-left #outline {
  left: var(--sidebar-width);
  right: auto;
  border-left: none;
  border-right: 1px solid var(--border);
}
body.sidebar-collapsed.outline-left #outline { left: 0; }
#outline ul { list-style: none; margin: 0; padding-left: 0; }
#outline ul ul { padding-left: .9rem; }
#outline li { margin: .15rem 0; }
#outline a {
  display: inline-block;
  padding: .1rem .3rem;
  border-radius: 4px;
  color: var(--muted);
  text-decoration: none;
  overflow-wrap: anywhere;
}
#outline a:hover { color: var(--accent); }
#outline a.current { color: var(--accent); background: var(--sidebar-bg); }
.view-controls {
  position: fixed;
  top: .45rem;
  right: .6rem;
  z-index: 20;
  display: flex;
  gap: .25rem;
}
.view-btn {
  min-width: 28px;
  height: 28px;
  padding: 0 .55rem;
  font-size: .78rem;
  line-height: 26px;
  text-align: center;
  white-space: nowrap;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
.view-btn:hover { color: var(--accent); border-color: var(--accent); }
.view-btn.active { color: var(--accent); border-color: var(--accent); background: var(--sidebar-bg); font-weight: 600; }
.view-menu { position: relative; }
.view-dropdown {
  position: absolute;
  top: calc(100% + .25rem);
  right: 0;
  min-width: 7.5rem;
  padding: .25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
}
.view-dropdown-item {
  display: block;
  width: 100%;
  padding: .35rem .55rem;
  font-size: .78rem;
  line-height: 1.4;
  text-align: left;
  color: var(--fg);
  background: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.view-dropdown-item:hover { background: var(--sidebar-bg); color: var(--accent); }
.view-dropdown-item.selected { color: var(--accent); font-weight: 600; }
.resize-handle {
  position: fixed;
  top: 0; bottom: 0;
  width: 7px;
  cursor: col-resize;
  z-index: 12;
}
.resize-handle:hover, .resize-handle.dragging { background: var(--accent); opacity: .35; }
#sidebar-resize { left: calc(var(--sidebar-width) - 4px); }
#outline-resize { right: calc(var(--outline-width) - 4px); left: auto; }
body.outline-left #outline-resize {
  left: calc(var(--sidebar-width) + var(--outline-width) - 4px);
  right: auto;
}
body.sidebar-collapsed.outline-left #outline-resize { left: calc(var(--outline-width) - 4px); }
body.sidebar-collapsed #sidebar-resize { display: none; }
body.outline-collapsed #outline-resize { display: none; }
body.dragging { user-select: none; cursor: col-resize; }
body.sidebar-collapsed #sidebar { display: none; }
body.outline-collapsed #outline { display: none; }
main {
  margin-left: var(--sidebar-width);
  margin-right: 0;
  padding: 2rem 3rem;
  max-width: 60rem;
}
body.has-outline main { margin-right: var(--outline-width); }
body.has-outline.outline-left main {
  margin-left: calc(var(--sidebar-width) + var(--outline-width));
  margin-right: 0;
}
body.sidebar-collapsed main { margin-left: 0; }
body.has-outline.outline-collapsed main { margin-right: 0; }
body.has-outline.outline-left.outline-collapsed main { margin-left: var(--sidebar-width); }
body.sidebar-collapsed.has-outline main { margin-right: var(--outline-width); }
body.sidebar-collapsed.has-outline.outline-left main {
  margin-left: var(--outline-width);
  margin-right: 0;
}
body.sidebar-collapsed.has-outline.outline-collapsed main { margin-right: 0; }
body.sidebar-collapsed.has-outline.outline-left.outline-collapsed main { margin-left: 0; }
.page-header {
  margin: 0 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}
.page-updated {
  font-size: .85rem;
  color: var(--muted);
}
@media (max-width: 1100px) {
  #outline, #outline-resize, #view-outline-menu { display: none; }
  body.has-outline main, body.has-outline.outline-collapsed main,
  body.has-outline.outline-left main, body.has-outline.outline-left.outline-collapsed main { margin-right: 0; margin-left: var(--sidebar-width); }
  body.sidebar-collapsed.has-outline main,
  body.sidebar-collapsed.has-outline.outline-left main { margin-left: 0; }
}
@media (max-width: 800px) {
  #sidebar { transform: translateX(-100%); transition: transform .15s ease; z-index: 10; }
  body.sidebar-collapsed #sidebar { display: block; }
  #sidebar.open { transform: none; }
  #sidebar-toggle { display: block; }
  .view-controls, .resize-handle { display: none; }
  main, body.has-outline main, body.sidebar-collapsed main,
  body.sidebar-collapsed.has-outline main { margin-left: 0; margin-right: 0; padding: 3.5rem 1.25rem 2rem; }
}
.markdown-body h1, .markdown-body h2 {
  border-bottom: 1px solid var(--border);
  padding-bottom: .3em;
}
.markdown-body h1:first-child { margin-top: 0; }
.markdown-body a { color: var(--accent); }
.markdown-body img { max-width: 100%; }
.markdown-body table { border-collapse: collapse; display: block; overflow-x: auto; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: .35rem .7rem; }
.markdown-body th { background: var(--sidebar-bg); }
.tabular-wrap { overflow-x: auto; margin: 1rem 0; }
.tabular-table { border-collapse: collapse; width: 100%; font-size: .9rem; }
.tabular-table th, .tabular-table td { border: 1px solid var(--border); padding: .4rem .65rem; text-align: left; vertical-align: top; }
.tabular-table th { background: var(--sidebar-bg); font-weight: 600; white-space: nowrap; }
.tabular-table tbody tr:nth-child(even) { background: color-mix(in srgb, var(--sidebar-bg) 45%, transparent); }
.tabular-table tbody tr:hover { background: var(--sidebar-bg); }
.tabular-empty { color: var(--muted); }
.markdown-body blockquote {
  margin: 0;
  padding: 0 1em;
  color: var(--muted);
  border-left: .25em solid var(--border);
}
.markdown-body code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .875em;
  background: var(--code-bg);
  padding: .15em .35em;
  border-radius: 4px;
}
.markdown-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .8rem 1rem;
  overflow-x: auto;
  line-height: 1.45;
}
.markdown-body pre code { background: none; padding: 0; font-size: .85em; }
.markdown-body hr { border: 0; border-top: 1px solid var(--border); }

/* chroma (light) */
/* Background */ .bg { background-color: #f7f7f7; }
/* PreWrapper */ .chroma { background-color: #f7f7f7; -webkit-text-size-adjust: none; }
/* Error */ .chroma .err { color: #f6f8fa; background-color: #82071e }
/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
/* LineHighlight */ .chroma .hl { background-color: #dedede }
/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
/* Line */ .chroma .line { display: flex; }
/* Keyword */ .chroma .k { color: #cf222e }
/* KeywordConstant */ .chroma .kc { color: #cf222e }
/* KeywordDeclaration */ .chroma .kd { color: #cf222e }
/* KeywordNamespace */ .chroma .kn { color: #cf222e }
/* KeywordPseudo */ .chroma .kp { color: #cf222e }
/* KeywordReserved */ .chroma .kr { color: #cf222e }
/* KeywordType */ .chroma .kt { color: #cf222e }
/* NameAttribute */ .chroma .na { color: #1f2328 }
/* NameClass */ .chroma .nc { color: #1f2328 }
/* NameConstant */ .chroma .no { color: #0550ae }
/* NameDecorator */ .chroma .nd { color: #0550ae }
/* NameEntity */ .chroma .ni { color: #6639ba }
/* NameLabel */ .chroma .nl { color: #990000; font-weight: bold }
/* NameNamespace */ .chroma .nn { color: #24292e }
/* NameOther */ .chroma .nx { color: #1f2328 }
/* NameTag */ .chroma .nt { color: #0550ae }
/* NameBuiltin */ .chroma .nb { color: #6639ba }
/* NameBuiltinPseudo */ .chroma .bp { color: #6a737d }
/* NameVariable */ .chroma .nv { color: #953800 }
/* NameVariableClass */ .chroma .vc { color: #953800 }
/* NameVariableGlobal */ .chroma .vg { color: #953800 }
/* NameVariableInstance */ .chroma .vi { color: #953800 }
/* NameVariableMagic */ .chroma .vm { color: #953800 }
/* NameFunction */ .chroma .nf { color: #6639ba }
/* NameFunctionMagic */ .chroma .fm { color: #6639ba }
/* LiteralString */ .chroma .s { color: #0a3069 }
/* LiteralStringAffix */ .chroma .sa { color: #0a3069 }
/* LiteralStringBacktick */ .chroma .sb { color: #0a3069 }
/* LiteralStringChar */ .chroma .sc { color: #0a3069 }
/* LiteralStringDelimiter */ .chroma .dl { color: #0a3069 }
/* LiteralStringDoc */ .chroma .sd { color: #0a3069 }
/* LiteralStringDouble */ .chroma .s2 { color: #0a3069 }
/* LiteralStringEscape */ .chroma .se { color: #0a3069 }
/* LiteralStringHeredoc */ .chroma .sh { color: #0a3069 }
/* LiteralStringInterpol */ .chroma .si { color: #0a3069 }
/* LiteralStringOther */ .chroma .sx { color: #0a3069 }
/* LiteralStringRegex */ .chroma .sr { color: #0a3069 }
/* LiteralStringSingle */ .chroma .s1 { color: #0a3069 }
/* LiteralStringSymbol */ .chroma .ss { color: #032f62 }
/* LiteralNumber */ .chroma .m { color: #0550ae }
/* LiteralNumberBin */ .chroma .mb { color: #0550ae }
/* LiteralNumberFloat */ .chroma .mf { color: #0550ae }
/* LiteralNumberHex */ .chroma .mh { color: #0550ae }
/* LiteralNumberInteger */ .chroma .mi { color: #0550ae }
/* LiteralNumberIntegerLong */ .chroma .il { color: #0550ae }
/* LiteralNumberOct */ .chroma .mo { color: #0550ae }
/* Operator */ .chroma .o { color: #0550ae }
/* OperatorWord */ .chroma .ow { color: #0550ae }
/* OperatorReserved */ .chroma .or { color: #0550ae }
/* Punctuation */ .chroma .p { color: #1f2328 }
/* Comment */ .chroma .c { color: #57606a }
/* CommentHashbang */ .chroma .ch { color: #57606a }
/* CommentMultiline */ .chroma .cm { color: #57606a }
/* CommentSingle */ .chroma .c1 { color: #57606a }
/* CommentSpecial */ .chroma .cs { color: #57606a }
/* CommentPreproc */ .chroma .cp { color: #57606a }
/* CommentPreprocFile */ .chroma .cpf { color: #57606a }
/* GenericDeleted */ .chroma .gd { color: #82071e; background-color: #ffebe9 }
/* GenericEmph */ .chroma .ge { color: #1f2328 }
/* GenericInserted */ .chroma .gi { color: #116329; background-color: #dafbe1 }
/* GenericOutput */ .chroma .go { color: #1f2328 }
/* GenericUnderline */ .chroma .gl { text-decoration: underline }
/* TextWhitespace */ .chroma .w { color: #ffffff }

@media (prefers-color-scheme: dark) {
/* Background */ .bg { color: #e6edf3; background-color: #0d1117; }
/* PreWrapper */ .chroma { color: #e6edf3; background-color: #0d1117; -webkit-text-size-adjust: none; }
/* Error */ .chroma .err { color: #f85149 }
/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
/* LineHighlight */ .chroma .hl { background-color: #6e7681 }
/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #737679 }
/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #6e7681 }
/* Line */ .chroma .line { display: flex; }
/* Keyword */ .chroma .k { color: #ff7b72 }
/* KeywordConstant */ .chroma .kc { color: #79c0ff }
/* KeywordDeclaration */ .chroma .kd { color: #ff7b72 }
/* KeywordNamespace */ .chroma .kn { color: #ff7b72 }
/* KeywordPseudo */ .chroma .kp { color: #79c0ff }
/* KeywordReserved */ .chroma .kr { color: #ff7b72 }
/* KeywordType */ .chroma .kt { color: #ff7b72 }
/* NameClass */ .chroma .nc { color: #f0883e; font-weight: bold }
/* NameConstant */ .chroma .no { color: #79c0ff; font-weight: bold }
/* NameDecorator */ .chroma .nd { color: #d2a8ff; font-weight: bold }
/* NameEntity */ .chroma .ni { color: #ffa657 }
/* NameException */ .chroma .ne { color: #f0883e; font-weight: bold }
/* NameLabel */ .chroma .nl { color: #79c0ff; font-weight: bold }
/* NameNamespace */ .chroma .nn { color: #ff7b72 }
/* NameProperty */ .chroma .py { color: #79c0ff }
/* NameTag */ .chroma .nt { color: #7ee787 }
/* NameVariable */ .chroma .nv { color: #79c0ff }
/* NameVariableClass */ .chroma .vc { color: #79c0ff }
/* NameVariableGlobal */ .chroma .vg { color: #79c0ff }
/* NameVariableInstance */ .chroma .vi { color: #79c0ff }
/* NameVariableMagic */ .chroma .vm { color: #79c0ff }
/* NameFunction */ .chroma .nf { color: #d2a8ff; font-weight: bold }
/* NameFunctionMagic */ .chroma .fm { color: #d2a8ff; font-weight: bold }
/* Literal */ .chroma .l { color: #a5d6ff }
/* LiteralDate */ .chroma .ld { color: #79c0ff }
/* LiteralString */ .chroma .s { color: #a5d6ff }
/* LiteralStringAffix */ .chroma .sa { color: #79c0ff }
/* LiteralStringBacktick */ .chroma .sb { color: #a5d6ff }
/* LiteralStringChar */ .chroma .sc { color: #a5d6ff }
/* LiteralStringDelimiter */ .chroma .dl { color: #79c0ff }
/* LiteralStringDoc */ .chroma .sd { color: #a5d6ff }
/* LiteralStringDouble */ .chroma .s2 { color: #a5d6ff }
/* LiteralStringEscape */ .chroma .se { color: #79c0ff }
/* LiteralStringHeredoc */ .chroma .sh { color: #79c0ff }
/* LiteralStringInterpol */ .chroma .si { color: #a5d6ff }
/* LiteralStringOther */ .chroma .sx { color: #a5d6ff }
/* LiteralStringRegex */ .chroma .sr { color: #79c0ff }
/* LiteralStringSingle */ .chroma .s1 { color: #a5d6ff }
/* LiteralStringSymbol */ .chroma .ss { color: #a5d6ff }
/* LiteralNumber */ .chroma .m { color: #a5d6ff }
/* LiteralNumberBin */ .chroma .mb { color: #a5d6ff }
/* LiteralNumberFloat */ .chroma .mf { color: #a5d6ff }
/* LiteralNumberHex */ .chroma .mh { color: #a5d6ff }
/* LiteralNumberInteger */ .chroma .mi { color: #a5d6ff }
/* LiteralNumberIntegerLong */ .chroma .il { color: #a5d6ff }
/* LiteralNumberOct */ .chroma .mo { color: #a5d6ff }
/* Operator */ .chroma .o { color: #ff7b72; font-weight: bold }
/* OperatorWord */ .chroma .ow { color: #ff7b72; font-weight: bold }
/* OperatorReserved */ .chroma .or { color: #ff7b72; font-weight: bold }
/* Comment */ .chroma .c { color: #8b949e; font-style: italic }
/* CommentHashbang */ .chroma .ch { color: #8b949e; font-style: italic }
/* CommentMultiline */ .chroma .cm { color: #8b949e; font-style: italic }
/* CommentSingle */ .chroma .c1 { color: #8b949e; font-style: italic }
/* CommentSpecial */ .chroma .cs { color: #8b949e; font-weight: bold; font-style: italic }
/* CommentPreproc */ .chroma .cp { color: #8b949e; font-weight: bold; font-style: italic }
/* CommentPreprocFile */ .chroma .cpf { color: #8b949e; font-weight: bold; font-style: italic }
/* GenericDeleted */ .chroma .gd { color: #ffa198; background-color: #490202 }
/* GenericEmph */ .chroma .ge { font-style: italic }
/* GenericError */ .chroma .gr { color: #ffa198 }
/* GenericHeading */ .chroma .gh { color: #79c0ff; font-weight: bold }
/* GenericInserted */ .chroma .gi { color: #56d364; background-color: #0f5323 }
/* GenericOutput */ .chroma .go { color: #8b949e }
/* GenericPrompt */ .chroma .gp { color: #8b949e }
/* GenericStrong */ .chroma .gs { font-weight: bold }
/* GenericSubheading */ .chroma .gu { color: #79c0ff }
/* GenericTraceback */ .chroma .gt { color: #ff7b72 }
/* GenericUnderline */ .chroma .gl { text-decoration: underline }
/* TextWhitespace */ .chroma .w { color: #6e7681 }
}