/* topview */
.topview{
	background:center no-repeat;
 	width:100vw;
 	height:100vh;	
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}




.head{
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100vh;
}
video {
  min-width: 100%;
  min-height: 100vh;
  z-index: 1;
}
.overlay {
  width: 100%;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  background-image: linear-gradient(45deg, rgba(0,0,0,.1) 50%, rgba(0,0,0,.5) 50%);
  background-size: 4px 4px;
  z-index: 2;
}

.logo {
  text-align: center;
  color: #fff;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  z-index: 3;
  max-width: 400px;
  width: 100%;
  height: 150px;
}
.logo h1{
	padding-top:10px;
  font-size:16px;
}




@media only screen and (max-width: 768px) {

.logo {
  height: 300px;
}


}