#i139 {
  background-image:url(../image/service/bg01.jpg);
}
#i139 img, #i139 video {
  object-fit:scale-down;height:480px;
}
@media screen and (max-width:640px) {
  #i139 img, #i139 video {
    object-fit:scale-down;height:320px;
  }
}
#i139 > div {
  text-align:center;
}
#i173 {
  margin:30px auto auto auto;
}
@media screen and (max-width:640px) {
  #i173 dl dd {
    border-top:none;border-right:none;border-bottom:none;border-left:none;
  }
}
@media screen and (max-width:640px) {
  #i173 dl {
    gap:20px;
  }
}
@media screen and (max-width:640px) {
  #i173 > div {
    gap:20px;
  }
}
#i142 {
  margin:30px auto auto auto;
}
@media screen and (max-width:640px) {
  #i142 dl dd {
    border-top:none;border-right:none;border-bottom:none;border-left:none;
  }
}
@media screen and (max-width:640px) {
  #i142 dl {
    gap:20px;
  }
}
@media screen and (max-width:640px) {
  #i142 > div {
    gap:20px;
  }
}