.course__head--txt {
  padding: 100px 0 0;
  color: #9B0020;
  font-size: 5.6rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
  line-height: 1;
}
.course__head--txt i {
  display: block;
  margin-top: 1em;
  color: black;
  font-family: "RakutenSans_Bd", sans-serif;
  font-size: 1.6rem;
  font-style: normal;
  line-height: 1;
}

.tab-content {
  margin-top: 100px;
}
.tab-content:nth-of-type(n + 2) {
  display: none;
}

.course__join--wrap {
  margin-top: 0;
}

@media (max-width: 768px) {
  .course__head--txt {
    padding-top: 20.5128205128vw;
    font-size: 8.2051282051vw;
  }
  .course__head--txt i {
    font-size: 4.1025641026vw;
  }
  .tab-content {
    margin-top: 16.4102564103vw;
  }
}