* {
  margin: 0;
  padding: 0;
  border: 0;
}
.box { width: 100%; height: 100%; -webkit-background-size: cover; background-size: cover; background-repeat: no-repeat; background-position: center center; color: #fff; text-align: center; position: relative; overflow: hidden; 
}

.slider { position: relative; width: 572px; height: 404px; overflow: hidden; margin-bottom: 20px; 
}







.slider__wrapper { height: 100%; list-style: none; overflow: hidden; *zoom: 1; -webkit-backface-visibility: hidden; -webkit-transform-style: preserve-3d; }
.slider__item { height: 100%; float: left; clear: none; }
.slider__item img {  }
.slider__arrows-item {
  width: 17px;
  height: 28px;
  position: absolute;
  display: block;
  margin-bottom: -20px;
  padding: 0px;
}

.slider__nav {
  position: absolute;
  bottom: 0px;
}
.slider__nav-item {
  width: 8px;
  height: 8px;
  float: left;
  clear: none;
  display: block;
  margin: 4px 1px;
  background: #fff;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -o-border-radius: 20px;
  border-radius: 20px;
  border: 1px solid #302e50;
}
.slider__nav-item--current { background: #302e50; border: 1px solid #302e50;}
.slider__nav-item:hover { background: #ccc; background-color: #CCC; border: 1px solid #302e50;}




.slider__arrows-item--right {
  background: url(imgs/glide-arrows.png) no-repeat; /* 追加 */
  bottom: 50%;
  right: 4px;
}
.slider__arrows-item--left {
  background: url(imgs/glide-arrows.png) no-repeat; /* 追加 */
  bottom: 50%;
  left: 4px;
}

.slider__arrows-item--left {
	background-position: 0 0;
}

.slider__arrows-item--left:hover {
	background-position: 0 -28px;
}

.slider__arrows-item--right {
	background-position: -17px 0;
}

.slider__arrows-item--right:hover {
	background-position: -17px -28px;
}