section.history .anchor-area {
  background-color: var(--light-blue);
  padding: 50px 0;
}
@media screen and (max-width: 767px) {
  section.history .anchor-area {
    padding: 30px 0;
  }
}
section.history .anchor-area ul.anchor-list {
  max-width: 1000px;
  margin: 0 auto;
  width: 90%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 40px;
}
@media screen and (max-width: 767px) {
  section.history .anchor-area ul.anchor-list {
    gap: 20px;
  }
}
section.history .anchor-area ul.anchor-list li {
  width: calc((100% - 120px) / 4);
}
@media screen and (max-width: 767px) {
  section.history .anchor-area ul.anchor-list li {
    width: calc((100% - 20px) / 2);
  }
}
section.history .anchor-area ul.anchor-list li a {
  color: var(--blue);
  font-size: 16px;
  border-bottom: 1px solid var(--light-gray);
  display: block;
  padding-bottom: 10px;
  position: relative;
  padding-right: 30px;
  cursor: pointer !important;
  transition: border 0.3s;
}
section.history .anchor-area ul.anchor-list li a:after {
  content: "";
  position: absolute;
  pointer-events: none;
  top: 10px;
  right: 0;
  width: 12px;
  height: 12px;
  background: url(/common/img/icn_arrow.svg) no-repeat center/12px;
  rotate: 90deg;
}
@media (hover) {
  section.history .anchor-area ul.anchor-list li a:hover {
    border-color: var(--blue);
  }
}
section.history .history-area {
  max-width: 1000px;
  margin: 100px auto 0;
  width: 90%;
  position: relative;
}
@media screen and (max-width: 767px) {
  section.history .history-area {
    margin-top: 40px;
  }
}
section.history .history-area:before {
  content: "";
  position: absolute;
  top: 35px;
  left: 160px;
  width: 1px;
  height: 100%;
  background-color: var(--light-gray);
}
@media screen and (max-width: 767px) {
  section.history .history-area:before {
    left: 80px;
    top: 18px;
  }
}
section.history .history-area > dl {
  display: flex;
  margin-top: 60px;
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl {
    margin-top: 30px;
  }
}
section.history .history-area > dl:first-of-type {
  margin-top: 0;
}
section.history .history-area > dl > dt {
  width: 160px;
  color: var(--blue);
  font-size: 40px;
  font-weight: 600;
  font-family: var(--manrope);
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dt {
    font-size: 20px;
    width: 80px;
  }
}
section.history .history-area > dl > dt span {
  font-size: 20px;
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dt span {
    font-size: 14px;
  }
}
section.history .history-area > dl > dd {
  width: calc(100% - 80px);
}
section.history .history-area > dl > dd dl {
  display: flex;
  position: relative;
  margin-top: 17px;
  padding-left: 42px;
  margin-bottom: 25px;
  position: relative;
}
section.history .history-area > dl > dd dl:last-of-type {
  margin-bottom: 0;
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dd dl {
    display: block;
    margin-top: 3px;
    padding-left: 15px;
  }
}
section.history .history-area > dl > dd dl:before {
  content: "";
  position: absolute;
  top: 15px;
  left: 10px;
  width: 5px;
  height: 5px;
  background-color: var(--blue);
  border-radius: 5px;
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dd dl:before {
    top: 12px;
    left: -2px;
  }
}
section.history .history-area > dl > dd dl dt {
  font-size: 16px;
  color: var(--blue);
  width: 140px;
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dd dl dt {
    width: 100%;
  }
}
section.history .history-area > dl > dd dl dd {
  font-size: 16px;
  width: calc(100% - 140px);
}
@media screen and (max-width: 767px) {
  section.history .history-area > dl > dd dl dd {
    width: 100%;
  }
}
section.history .history-area > dl > dd dl dd ul.img-list {
  margin-top: 15px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
section.history .history-area > dl > dd dl dd ul.img-list li {
  width: calc((100% - 10px) / 2);
}