html {
  scroll-behavior: smooth;
}

.history__wrapper {
  width: 1200px;
  margin: 0 auto 120px;
  position: relative;
}
@media screen and (max-width: 1280px) {
  .history__wrapper {
    width: 100%;
    padding: 0 40px;
  }
}
@media screen and (max-width: 850px) {
  .history__wrapper {
    margin-bottom: 80px;
  }
}
@media screen and (max-width: 450px) {
  .history__wrapper {
    padding: 0 20px;
    margin-bottom: 56px;
  }
}
.history__index {
  position: sticky;
  top: 128px;
}
@media screen and (max-width: 850px) {
  .history__index {
    position: relative;
    top: 0;
    margin-bottom: 56px;
    display: flex;
    -moz-column-gap: 24px;
         column-gap: 24px;
  }
}
@media screen and (max-width: 450px) {
  .history__index {
    margin-bottom: 40px;
    -moz-column-gap: 10px;
         column-gap: 10px;
  }
}
.history__index li {
  width: 220px;
  height: -moz-fit-content;
  height: fit-content;
}
@media screen and (max-width: 1280px) {
  .history__index li {
    width: 160px;
  }
}
.history__index-btn {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  color: #10181D;
  padding: 16px 24px;
  position: relative;
  transition: 0.3s;
}
@media screen and (max-width: 850px) {
  .history__index-btn {
    background: #fff;
    border: solid 1px #DBEBFC;
    border-radius: 4px;
    font-size: 15px;
    color: #0B7BEC;
    padding: 8px 12px;
  }
}
@media screen and (max-width: 450px) {
  .history__index-btn {
    font-size: 14px;
  }
}
@media screen and (max-width: 375px) {
  .history__index-btn {
    padding: 8px;
    font-size: max(3.1111111111vw, 12px);
  }
}
.history__index-btn span {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
}
.history__index-btn.selected {
  color: #0B7BEC;
  transition: 0.3s;
}
.history__index-btn.selected::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(90deg, #004FC8, #00A3EC);
  position: absolute;
  top: 22px;
  left: 0;
  transition: 0.3s;
}
@media screen and (max-width: 850px) {
  .history__index-btn.selected::before {
    width: 0;
  }
}
.history__index-btn::after {
  width: 18px;
  height: 18px;
  background: url("../img/icon_chevron.svg");
  background-size: contain;
  position: absolute;
  top: 11px;
  right: 10px;
  filter: invert(49%) sepia(83%) saturate(5106%) hue-rotate(195deg) brightness(95%) contrast(94%);
}
@media screen and (max-width: 850px) {
  .history__index-btn::after {
    content: "";
  }
}
@media screen and (max-width: 450px) {
  .history__index-btn::after {
    top: 10px;
    right: 8px;
  }
}
.history__container {
  margin-top: -168px;
}
@media screen and (max-width: 850px) {
  .history__container {
    margin: 0;
  }
}
.history__group {
  display: flex;
  -moz-column-gap: 60px;
       column-gap: 60px;
  padding-left: 220px;
}
@media screen and (max-width: 1280px) {
  .history__group {
    -moz-column-gap: 40px;
         column-gap: 40px;
    padding-left: 160px;
  }
}
@media screen and (max-width: 850px) {
  .history__group {
    padding: 0;
    flex-direction: column;
    row-gap: 24px;
  }
}
.history__year {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-size: 32px;
  font-weight: 600;
  color: #0B7BEC;
}
@media screen and (max-width: 850px) {
  .history__year {
    font-size: 32px;
    padding-left: 40px;
  }
}
@media screen and (max-width: 450px) {
  .history__year {
    font-size: 26px;
    padding-left: 26px;
  }
}
.history__content {
  margin: 12px 0;
  flex: 1;
  position: relative;
}
@media screen and (max-width: 850px) {
  .history__content {
    margin: 0;
  }
}
.history__content::before {
  content: "";
  width: 12px;
  height: 200%;
  border-radius: 20px;
  background: #DBEBFC;
  z-index: 0;
  position: absolute;
  top: 0;
  left: 0;
}
.history__content.last::before {
  height: 100%;
}
.history__item {
  display: flex;
  -moz-column-gap: 32px;
       column-gap: 32px;
  padding-left: 64px;
  margin-bottom: 16px;
  position: relative;
}
@media screen and (max-width: 1280px) {
  .history__item {
    padding-left: 56px;
  }
}
@media screen and (max-width: 850px) {
  .history__item {
    padding-left: 40px;
    margin-bottom: 32px;
  }
}
@media screen and (max-width: 450px) {
  .history__item {
    -moz-column-gap: 16px;
         column-gap: 16px;
    padding-left: 26px;
    margin-bottom: 24px;
  }
}
.history__item::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0B7BEC;
  position: absolute;
  top: 10px;
  left: 2px;
}
.history__item.last {
  margin: 0;
}
.history__date {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  color: #0B7BEC;
  background: #DBEBFC;
  border-radius: 2px;
  height: -moz-fit-content;
  height: fit-content;
  padding: 3px 14px 1px;
  margin-top: 3px;
}
@media screen and (max-width: 450px) {
  .history__date {
    font-size: 14px;
    padding: 2px 10px 1px;
  }
}
.history__text {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  color: #10181D;
  line-height: 1.8;
}
@media screen and (max-width: 450px) {
  .history__text {
    font-size: 14px;
  }
}/*# sourceMappingURL=history.css.map */