@charset "UTF-8";

/* history_nav
***************************************************************/
.history_nav {
  margin-top: 76px;
  position: sticky;
  top: 85px;
  z-index: 9999;
}
.history_nav_ul1 {
  width: 1200px;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 5px;
  padding: 16px 14px;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
  display: flex;
  justify-content: center;
}
.history_nav_ul1 .li1 {
  width: calc(100% / 6);
}
.history_nav_ul1 .link1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #abcedd;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  padding: 0 44px 0 25px;
}
.history_nav_ul1 .link1 > span {
  position: relative;
  top: -3px;
}
.history_nav_ul1 .link1 strong {
  font-size: 26px;
  font-weight: 600;
  position: relative;
  top: 2px;
  padding-right: 2px;
}
.history_nav_ul1 .link1 .arrow {
  display: block;
  width: 10.69px;
  height: 13px;
  background: url(../img/history/nav_arrow1.svg) no-repeat center / contain;
  position: relative;
  top: 1px;
  transition: background 0.3s ease;
}
.history_nav_ul1 .active .link1 {
  color: #1b7da8;
}
.history_nav_ul1 .active .link1 .arrow {
  background-image: url(../img/history/nav_arrow1_o.svg);
}
@media all and (min-width: 681px) {
  .history_nav_ul1 .li1:nth-of-type(n + 2) {
    border-left: 1px solid #7e7e7e;
  }
  .history_nav_ul1 .link1:hover .arrow {
    background-image: url(../img/history/nav_arrow1_o.svg);
  }
  .history_nav_ul1 .link1:hover {
    color: #1b7da8;
  }
}
@media all and (max-width: 680px) {
  .history_nav {
    margin-top: 22px;
    top: 66px;
    position: static;
  }
  .history_nav_ul1 {
    width: calc(100% - 60px);
    padding: 20px 22px 24px;
    display: flex;
    flex-flow: wrap;
    justify-content: flex-start;
    gap: 19px 0;
  }
  .history_nav_ul1 .li1 {
    width: calc(100% / 2);
  }
  .history_nav_ul1 .li1:nth-of-type(1) {
    order: 1;
  }
  .history_nav_ul1 .li1:nth-of-type(2) {
    order: 3;
  }
  .history_nav_ul1 .li1:nth-of-type(3) {
    order: 5;
  }
  .history_nav_ul1 .li1:nth-of-type(4) {
    order: 2;
  }
  .history_nav_ul1 .li1:nth-of-type(5) {
    order: 4;
  }
  .history_nav_ul1 .li1:nth-of-type(6) {
    order: 6;
  }
  .history_nav_ul1 .link1 {
    font-size: 15px;
    padding: 0 22px 0 0;
  }
  .history_nav_ul1 .li1:nth-of-type(4),
  .history_nav_ul1 .li1:nth-of-type(5),
  .history_nav_ul1 .li1:nth-of-type(6) {
    border-left: 1px solid #7e7e7e;
  }
  .history_nav_ul1 .li1:nth-of-type(4) .link1,
  .history_nav_ul1 .li1:nth-of-type(5) .link1,
  .history_nav_ul1 .li1:nth-of-type(6) .link1 {
    padding: 0 0 0 22px;
  }
  .history_nav_ul1 .link1 strong {
    font-size: 22px;
    top: 2px;
    padding-right: 2px;
  }

  .history_nav_ul1 .link1 {
    color: #1b7da8;
  }
  .history_nav_ul1 .link1 .arrow {
    background-image: url(../img/history/nav_arrow1_o.svg);
  }
  /* history_nav_btm */
  .history_nav_btm {
    margin-top: 0;
    margin-bottom: 50px;
  }
  .history_nav_btm .history_nav_ul1 .link1 .arrow {
    transform: rotate(180deg);
  }
}
@media all and (max-width: 370px) {
}

/* historyWrap
***************************************************************/
.historyWrap {
  padding: 110px 0 80px;
  padding-bottom: 160px;
  position: relative;
}
.history_inner {
  width: 1014px;
  margin: 0 auto;
  position: relative;
}
.history_bar {
  width: 40px;
  height: 100%;
  border-radius: 100px;
  background-color: #e7f7f7;
  position: absolute;
  top: 0;
  left: 50px;
}
@media all and (min-width: 681px) {
  .historyWrap {
    background: url(../img/history/history_bg1.svg) no-repeat center top / 2440px;
  }
}
@media all and (max-width: 680px) {
  .historyWrap {
    padding: 55px 30px 50px;
    background: url(../img/history/history_bg1_sp.svg) repeat-y center top / 745px;
  }
  .history_inner {
    width: 100%;
  }
  .history_bar {
    width: 20px;
    top: 0;
    left: 0;
  }
}
@media all and (max-width: 370px) {
}

/* timelineWrap
***************************************************************/
.timelineWrap {
  padding-bottom: 30px;
}
.timeline_item {
  padding-left: 178px;
  padding-top: 40px;
  position: relative;
}
.timeline_item + .timeline_item {
  margin-top: 70px;
}
.timeline_item_in1 {
  width: 428px;
  width: 100%;
}
.timeline_item_year {
  display: flex;
  align-items: center;
  color: #1b7da8;
  position: relative;
}
.timeline_item_year::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 100%;
  background-color: #1b7da8;
  position: absolute;
  top: 0;
  bottom: 0;
  left: -117px;
  margin: auto;
}
.timeline_item_year::after {
  content: "";
  width: 0;
  height: 1px;
  background-color: #1b7da8;
  position: absolute;
  top: 0;
  bottom: 0;
  left: -106px;
  margin: auto;
  transition: width 0.3s ease 0.25s;
}
.scrollin.timeline_item_year::after {
  width: 94px;
}
.timeline_item_year .t1 {
  font-size: 72px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  display: block;
  position: relative;
  top: -5px;
}
.timeline_item_year .t2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  display: block;
  padding-left: 5px;
  padding-top: 10px;
}
.timeline_item_list1 {
  margin-top: 40px;
}
.timeline_item_list1 > .li1:nth-of-type(n + 2) {
  border-top: 1px solid #b4ccd5;
  margin-top: 28px;
  padding-top: 28px;
}
.timeline_item_list1_tit1 {
  display: flex;
  align-items: center;
  gap: 0 3px;
  color: #1b7da8;
}
.timeline_item_list1_tit1 .t1 {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  display: block;
  position: relative;
  top: -3px;
}
.timeline_item_list1_tit1 .t2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  display: block;
}
.timeline_item_list1_txt1 {
  font-size: 14px;
  font-weight: 400;
  text-align: justify;
  letter-spacing: 0;
  line-height: calc(24 / 14);
  margin-top: 12px;
}
.timeline_imgList1 {
  /* position: absolute;
  top: 40px;
  right: 0; */
  width: 335px;
}
.timeline_imgList1 > .li1:nth-of-type(n + 2) {
  margin-top: 28px;
}
.timeline_imgList1_caption1 {
  font-size: 12px;
  font-weight: 400;
  text-align: justify;
  letter-spacing: 0;
  line-height: 1.5;
  margin-top: 5px;
}
@media all and (min-width: 681px) {
  /* #y1990 .timeline_item_in1,
  #y2000 .timeline_item_in1,
  #y2020 .timeline_item_in1 {
    width: 100%;
  } */
  /* .timeline_imgList1.pt1 {
    top: 421px;
  } */
  .timeline_item_list1 .type_clm1 {
    display: flex;
    justify-content: space-between;
  }
  .timeline_item_list1 .type_clm1 .type_clm1_in {
    width: 428px;
  }
  .timeline_item_list1 .type_clm1 .timeline_imgList1 {
    position: static;
  }
}
@media all and (max-width: 680px) {
  .timelineWrap {
    padding-bottom: 20px;
  }
  .timeline_item {
    padding-left: 74px;
    padding-top: 20px;
  }
  .timeline_item + .timeline_item {
    margin-top: 45px;
  }
  .timeline_item_in1 {
    width: 100%;
  }
  .timeline_item_year::before {
    width: 12px;
    height: 12px;
    left: -70px;
  }
  .timeline_item_year::after {
    left: -65px;
  }
  .scrollin.timeline_item_year::after {
    width: 56px;
  }
  .timeline_item_year .t1 {
    font-size: 42px;
    top: -1px;
  }
  .timeline_item_year .t2 {
    font-size: 22px;
    padding-left: 3px;
  }
  .timeline_item_list1 {
    margin-top: 25px;
  }
  .timeline_item_list1 > .li1:nth-of-type(n + 2) {
    margin-top: 22px;
    padding-top: 22px;
  }
  .timeline_item_list1_tit1 .t1 {
    font-size: 24px;
    top: -1px;
  }
  .timeline_item_list1_tit1 .t2 {
    font-size: 18px;
  }
  .timeline_item_list1_txt1 {
    font-size: 14px;
    line-height: calc(23 / 14);
    margin-top: 8px;
  }
  .timeline_imgList1 {
    position: static;
    width: 100%;
    margin-top: 15px;
  }
  .timeline_imgList1 > .li1:nth-of-type(n + 2) {
    margin-top: 20px;
  }
  .timeline_imgList1_caption1 {
    font-size: 11px;
    margin-top: 4px;
  }
}
@media all and (max-width: 370px) {
}

/* コンテンツ
***************************************************************/
@media all and (min-width: 681px) {
}
@media all and (max-width: 680px) {
}
@media all and (max-width: 370px) {
}

/* コンテンツ
***************************************************************/
@media all and (min-width: 681px) {
}
@media all and (max-width: 680px) {
}
@media all and (max-width: 370px) {
}

/* コンテンツ
***************************************************************/
@media all and (min-width: 681px) {
}
@media all and (max-width: 680px) {
}
@media all and (max-width: 370px) {
}