.gallery_container {
  Xmargin: 50px auto 0;
  Xmax-width: 500px;
}
.gallery_container ul{
  list-style-type: none;
  margin: 0;
  padding: 0;

}
.main-img {
  xheight: 344px;
  width: 100%;
  margin-bottom: 0.5rem;
}
.main-img img {
  height: 420px;
  width: 100%;
}
.sub-img {
  display: flex;
	flex-wrap: wrap;
}
.sub-img li {
  margin-right: 1%;
	margin-bottom: 1%;
  width: calc(96% / 5);
}

.sub-img li:nth-child(5n){
  margin-right: 0;
}
.sub-img li:nth-child(5n) {
  margin-right: 0;
}
.sub-img {
  xheight: 107px;
}
.sub-img img {
  xheight: 107px;
  width: 100%;
}
@media (max-width: 500px) {
  .main-img {
    xheight: 68.8vw;
  }
  .sub-img img {
    height: 12vw;
  }
	.main-img img {
		height: 66.6vw;
}
}