@media screen and (max-width: 768px) {
  .headline_m>span{
    font-size:5.3vw ;
    line-height: 1.5;
    white-space: nowrap;
  }
}

.section_company{
  padding-bottom: 100px;
}
@media screen and (max-width: 768px) {
  .section_company{
    padding-bottom: 60px;
  }
}

.section_histroy .histroy_dl_wrap{
  position: relative;
  padding-left: 60px;
}

.section_histroy .histroy_dl_wrap .histroy_dl:not(:last-child)::before{
  content: '';
  position: absolute;
  top: 0;
  left: -60px;
  width: 4px;
  background:#D0D0D0;
  height:calc(100% + 20px);
}

.section_histroy .histroy_dl_wrap .histroy_dl:nth-child(1)::before{
  top: 20px;
}

.section_histroy .histroy_dl_wrap .histroy_dl{
  position: relative;
  padding-bottom: 50px;
}

.section_histroy .histroy_dl_wrap .histroy_dl dt{
  /*2004~*/
  position: relative;
  font-size: 4rem;
  line-height: 1;
  text-align: left;
  color: #0092e6;
  margin-bottom: 10px;
}

.section_histroy .histroy_dl_wrap .histroy_dl dt::before{
  content: '';
  position: absolute;
  top: 20px;
  left: -50px;
  height: 1px;
  background:#0092E6;
  width: 50px;
}

.section_histroy .histroy_dl_wrap .histroy_dl dt::after{
  content: '';
  position: absolute;
  top: 10px;
  left: -68px;
  width: 20px;
  height: 20px;
  background: #0092e6;
  border-radius: 50%;
}

.section_histroy .histroy_dl_wrap .histroy_dl dd{
  font-size: 1.8rem;
}

.section_histroy .histroy_dl_wrap .histroy_dl dd em{
  color: #0092e6;
}

@media screen and (max-width: 1024px) {
  
  .section_histroy .histroy_dl_wrap{
    padding-left: 40px;
  }
  .section_histroy .histroy_dl_wrap .histroy_dl:not(:last-child)::before{
    left: -40px;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl:nth-child(1)::before{
    top: 20px;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl{
    padding-bottom: 40px;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl dt{
    position: relative;
    font-size: 3.4rem;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl dt::before{
    left: -40px;
    width: 40px;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl dt::after{
    top: 11px;
    left: -47px;
    width: 18px;
    height: 18px;
  }

  .section_histroy .histroy_dl_wrap .histroy_dl dd{
    font-size: 1.6rem;
  }

}