.main_index{
  background:#fff;
  padding-top: 0px;
}

.our_business{
  background:url('https://t1.daumcdn.net/cfile/tistory/990DA64C5E688BA203') no-repeat;
  background-size:100%;
  background-position:center center;
  filter:unset;
  border-top-left-radius: 100px;
  border-top-right-radius: 100px;
  
  animation: 1s ease-out 0s 1 bigtosmall forwards;
}

.about_intro_box{
  background:linear-gradient(135deg, rgba(20,21,22,1) 0%, rgba(20,21,22,1) 10%, rgba(22,23,24,1) 11%, rgba(71,72,74,1) 53%, rgba(25,26,28,1) 62%, rgba(94,96,101,1) 100%, rgba(15,16,17,1) 100%);color:#fff;padding:5px;
}

.xbackg{
  position: absolute;
  width: 100%;
  height: 100%;
  margin-top: -100px;
  background: linear-gradient(rgba(255,255,255,0) 0%, rgba(0,0,0,1) 40%);
}

.fade_box{
  display:flex;
  flex-wrap: wrap;
  justify-content: center;
}

.fade_img{
  width:45%;
  margin:30px 20px;
  margin-top:100px;
  box-shadow: 10px 10px 10px rgba(0,0,0,0.2);
  opacity: 0;
  transform: translateY(10%);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  overflow: hidden;
}

.fade_img img{
  transition: all 0.5s ease-in-out;
  width:100%;
}

.fade_img .img_sub{
  transition: all 1.1s ease-in-out;
  position: fixed;
  right: 30px;
  bottom: 20px;
  font-size: 1.7rem;
  font-weight: 600;
  color:#fff;
}

.fade_img .img_sub span{
  text-align: right;
  font-weight: 400;
  color:#bcbcbc;
  font-size:0.5rem;
  display:block;
}

.fade_img.active {
    opacity: 1;
    transform: translateY(0);
    will-change: opacity,transform;
}

.fade_img img:hover{
  transform: scale(1.3, 1.3);
}

.fade_open{
  margin-top:0px;
}


/* 태블릿 */
@media screen and (max-width: 1200px) {
  .our_business{
    border-radius: unset;
  }
  .fade_img .img_sub {
    font-size: 1.5rem;
  }

  .fade_img {
    width: 40%;
  }
}


/* 모바일 */
@media screen and (max-width: 768px) {
  .fade_img{
    width: 100%;
    margin:0px 0px;
  }
}