*{
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
.fixed-area{
    color: #fff;
    position: fixed;
    top: 100px;
    width: 100%;
    z-index: 99;
}
.fixed-area__inner{
    position: relative;
    margin: 0 auto;
    width: 600px;
}
.fixed-area__inner__contents{
    opacity: 0;
    position: absolute;
    top: 60px;
    transition: 1s;
}
.fixed-area__inner__contents.active{
    opacity: 1;
    top: 0;
}
.fixed-area__inner__contents__title{
    font-size: 50px;
}
.box{
	color: #fff;
	height: 600vh;
}
.box__inner{
    background: rgba(0,0,0,0.5);
    height: 100vh;
    padding: 40px;
}
.box1{
	background: #F43959;
}
.box2{
	background: #4CA4CF;
}
.box3{
	background: #e5cf54;
}
.box4{
	background: #45CB99;
}
.pagenation{
    padding: 20px;
    position: fixed;
    right: 0;
    top: 50%;
}
.pagenation li{
    list-style-type: none;
    margin-bottom: 20px;
}
.pagenation a{
    display: block;
    height: 10px;
    border: 1px solid #000;
    width: 10px;
}
.pagenation a.active{
    background: #000;
}