@media screen and (min-width: 1210px) {
body { overflow-y: scroll;  }

#wrap_all { width: 100%; overflow: hidden;  }

.main_section {  margin-left: 300px;  overflow-y: scroll; }
.main_section > section { width: 100%; height: 100%; display: block;  }
.part1 { width: 100%; height: 100%;  display: block; overflow: hidden;  }
.part1 > img { width: 100%; display: block ; }
.part2 { width: 100%; height: 100%;  display: block; }
.part2 > img { width: 100%;  display: block ; }

.slide_direction { display: none;  }

}