body {
    font-family: "Noto Sans JP";
}

.md-typeset h1 {
  font-size: 28pt;
  font-weight: bold;
  border-bottom: solid 2px green;
  padding-bottom: 8px;
}
.md-typeset h2 {
  border-bottom: 2px dotted #888;
}
.md-typeset h3 {
  border-bottom: 1px dotted #888;
}