.sticky {
  position: sticky;
  top: 20px;
}

.sticky h3 {
  font-size: .2rem;
  margin: 0 0 1em;
  color: #494949; /*文字色*/
  background: transparent; /*背景透明に*/
}

.page-link {
  text-decoration: none;
  font-weight: bold;
  color: #1b74e9;
}

#toc {
  font-size: .14rem; /* 通常フォントサイズ 100px * 0.14 = 14px */
  margin-left: 1em;
}

#toc ul {
  list-style: none;
  padding: 0;
}
#toc li {
  margin-bottom: .4em;
}
#toc li.toc-h3 {
  padding-left: 1em;
}
#toc a {
  text-decoration: none;
  font-weight: bold;
  color: #1b74e9;
}
#toc a:hover{
  color: #1acffc;
}
#toc li.toc-h2 a::before {
  content: "・";
  margin-right: .2em;
}
#toc li.toc-h3 a {
  font-size: .95em;
  color: #1faff1;
}
#toc li.toc-h3 a:hover {
  color: #31dcfa;
}
#toc li.toc-h3 a::before {
  content: "-";
  margin-right: .4em;
}