.business h3::after{
    border-bottom: 1px solid #222;    
}

section.sec {
    padding: 180px 0 0;
    width: 100%;
    max-width: unset;
    position: relative;
    z-index: 0;
}

section.sec_last {
    padding-bottom: 180px;
}
section.base__sec .base__sec__h2{
  text-align: left;
  padding-bottom: 50px;
  position: relative;
  display: inline-block;
  margin-bottom:0;
}
section.base__sec .base__sec__h2::after{
content:'';
  position: absolute;
  left: 0;
  bottom: 0px;/*線の上下位置*/
  display: inline-block;
  width: 24px ;/*線の長さ*/
  height: 1px;/*線の太さ*/
  background-color: #222222;/*線の色*/
  border-radius: 2px;/*線の丸み*/
}

.sec1__img-txt__txtArea p {
  margin: 50px 0 0 0;
  width: 100%;
  max-inline-size: unset;
  text-align: justify;
}

.bt {
    padding: 50px 0 0 0;
}