@page {
  size: A5;
  margin: 2cm;
  @bottom-center {
    content: counter(page);
    font-size: 9pt;
    color: #888;
  }
}
body {
  font-family: 'Noto Serif CJK JP', serif;
  font-size: 10pt;
  line-height: 1.85;
  color: #1a1a1a;
}
h1 {
  font-size: 22pt;
  border-bottom: 3px double #000;
  padding-bottom: 12pt;
  page-break-after: avoid;
}
h2 {
  font-size: 14pt;
  margin-top: 24pt;
  page-break-after: avoid;
  border-left: 4pt solid #c8442a;
  padding-left: 12pt;
}
h3 { font-size: 11pt; color: #c8442a; }
strong { background: linear-gradient(to top, #f7e9c8 35%, transparent 35%); }
blockquote {
  border-left: 4pt solid #c8442a;
  padding-left: 16pt;
  font-style: italic;
  color: #444;
  margin: 16pt 0;
}
code {
  background: #f0f0f0;
  padding: 1pt 4pt;
  border-radius: 2pt;
  font-size: 9pt;
}
pre {
  background: #1a1a1a;
  color: #f4f1ea;
  padding: 12pt;
  font-size: 9pt;
  border-radius: 4pt;
  overflow-wrap: break-word;
}