@font-face {
  font-family: "SourceHanSerifJP";
  src: url("fonts/SourceHanSerifJP-Bold.otf") format("opentype");
  font-weight: 700; /* bold */
  font-style: normal;
}

@font-face {
  font-family: "SourceHanSerifJP";
  src: url("fonts/SourceHanSerifJP-Heavy.otf") format("opentype");
  font-weight: 900; /* heavy */
  font-style: normal;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "SourceHanSerifJP", serif !important;
}

heavy {
  font-weight: 900;
}

strong {
  font-weight: 700;
}

medium{
  font-weight: 500;
}