@charset "utf-8";

@media (max-width: 600px){
/* :::::: common ::::::  */
header {
  position: relative;
  max-width: 100%;
  height: auto;
  z-index: 1;
  margin: 0 auto;
}

header img {
	max-width: 80vw;
	}
.heade-right {
	float:left;
	white-space: nowrap;
	}
#contents {
		width: auto;
	}
.contents_left {
	float: none;
	width: 98%;
	margin-left: 0;
}

.contents_right {
	float: none;
	width: 90%;
	margin-left: 5px;
	margin-right: 0;
}
.box_left a {
	display: block;
	float: none;
	width: 80vw;
}
.menu li a {
  display:block;
  text-decoration: none;
  font-weight: bold;
  color: #FFFFFF;
  width: 100VW;
  height:3em;
  border-bottom: 1px solid ;
}
.top-menu {
  background: none;
  width:100%;
}


/* :::::: pagetop ::::::  */
#pagetop img{
	width: 60%;
	height: 60%;
	}
	
}