.history-body {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 auto;
  max-width: 1078px;
  text-align: left;
}
.history-body dt.year {
  border-top: 1px solid #2bb4e6;
  color: #033e80;
  line-height: 28px;
  padding: 22px 0 20px;
  width: 26%;
  content: attr(data-eng);
  display: block;
  font-size: 36px;
  font-weight: 700;
}
.history-body dd {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  width: 74%;
}
.history-body dd p.date {
    border-top: 1px solid #2bb4e6;
    color: #033e80;
    font-size: 20px;
    font-weight: 700;
    line-height: 2em;
    padding: 20px 0;
    width: 12%;
}
.history-body dd ul {
    border-top: 1px solid #f5f4f4;
    box-sizing: border-box;
    padding: 20px 0 20px 42px;
    width: 88%;
}
.history-body dd ul li {
  position: relative;
    line-height: 2em;
    margin: 0 0 12px;
    padding-left: 20px;
}
.history-body dd ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #2bb4e6;
  position: absolute;
  left: 0;
  top: 13px;
  border-radius: 50%;
}

@media screen and (max-width:700px){
  .history-body dt.year{
    width: 100%;
    padding: 22px 15px;
  }
  .history-body dd{
    width: 100%;
    padding: 22px 15px;
  }
  .history-body dd p.date{
    width: 20%;
  }
  .history-body dd ul{
    width: 80%;
  }
}