body{

    font-family: 'Noto sans JP', sans-serif ;

}

.toppage_link{

    width: 100%;
    height: 100%;
    line-height: .5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    
}

.title {

    font-weight: 700;
    color: #F45F00;
    text-align: center;
    margin: 50px 0;
}

.toppage_link p{

    font-size: 60px;
}

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

    .toppage_link p{

        font-size: 20px;
       
    }
    
}

.enter{

    margin: 50px 0;
   
}



.btn {

    text-align: center;
    position: relative;
    overflow: hidden;
    transition: ease .2s;
    margin:50px 0;
    padding:50px;
    border: solid 6px #F45F00;
    text-decoration: none;
    
}

.btn span{

    font-size: 40px;
    text-decoration: none;
    position: relative;
    z-index: 3;
    color: #F45F00;
}

.btn:hover span{

    color: #fff;

}

.left:before {
    content:'';
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    background: #F45F00;
    width: 100%;
    height: 100%;
    transition: transform .6s cubic-bezier(0.8,0,0.2,1) 0s;
    transform: scale(0,1);
    transform: right top;
}

.left:hover:before{

    transform-origin: left top;
transform:scale(1,1);

}