h1 {
  font-size: 21px;
  font-family: "Meiryo";
  margin-bottom: -20px;
}

h2 {
  font-size: 19px;
  font-family: "Meiryo";
  margin-bottom: -20px;
}

h3 {
  font-size: 18px;
  font-family: "Meiryo";
  margin-top: -10px; 
}

h4 {
  font-size: 18px;
  font-family: "Meiryo";
  margin-top: -10px; 
}

p {
  font-family: "Meiryo";
  font-size: 16.5px;
}

ul {
  font-size: 15.5px;
  font-family: "Meiryo";
}

ol {
  font-size: 15.5px;
  font-family: "Meiryo";
}

li {
  font-size: 15.5px;
  font-family: "Meiryo";
  margin-bottom: 10px; 
}

.book .book-body .page-wrapper .page-inner {
    max-width: 1000px !important;
}

.math {
  font-size: 16px;
  line-height: 150% !important;
  margin-bottom: 600px;
  margin-top: 600px;
}

p.caption {
  margin-bottom: 50px; 
  font-style: italic;
  font-size: 13.5px;
  color: gray;
  font-weight: bold;
}

#TOC {
  margin: -15px;
}