@charset "UTF-8";

body{
    margin: 0 auto;
    font-family: Helvetica Neue, Arial, Hiragino Sans, Meiryo, sans-serif
}

header h1{
    font-family: 'Orbitron', sans-serif;
}

main{
   text-align: center; 
}

#mainvisual img{
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

#text{
    margin-top: 50px;
    margin-bottom: 50px;
    width: 100%;    
}

#text h2{
    width: 100%;
}

#text p{
    width: auto;
}

.trace3-img{
    display: flex;
    padding: 0;
    flex-wrap: wrap;
    width: 100%;
}

.trace3-img li{
   list-style: none;
   width: calc(100%/3);
}

.trace3-img li img{
    width: 100%;
    height: 500px;
    object-fit:cover;
}

#button{
    padding-top: 100px;
    padding-bottom: 100px;
}

.insta_btn{
    color: #fff;
    border-radius: 7px;
    position: relative;
    display: inline-block;
    height: 50px;
    width: 190px;
    text-align: center;
    font-size: 25px;
    line-height: 50px;
    background: -webkit-linear-gradient(135deg, #427eff 0%, #f13f79 70%) no-repeat;
    background: linear-gradient(135deg, #427eff 0%, #f13f79 70%) no-repeat;/*グラデーション①*/
    overflow: hidden;
    text-decoration: none;
}

.insta_btn2:before{
    content:"";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: -webkit-linear-gradient(15deg, #ffdb2c, rgb(249, 118, 76) 25%, rgba(255, 77, 64, 0) 50%) no-repeat; 
    background: linear-gradient(15deg, #ffdb2c, rgb(249, 118, 76) 25%, rgba(255, 77, 64, 0) 50%) no-repeat;
}

.insta_btn .fa-instagram{
    font-size: 35px;
    position: relative;
    top: 4px;
}

.insta_btn span{
    display: inline-block;
    position: relative;
    transition: .5s;
}

.insta_btn :hover span {
    -webkit-transform: rotateX(360deg);
    -ms-transform: rotatex(360deg);
    transform: rotateX('360deg');
}

footer{
    margin-top:50px;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    max-width: 300px;
}

footer nav ul {
    display: flex;
    width: 100%;
    margin: 0 auto;
    justify-content: center;
    padding: 0;
}

footer nav ul li{
    list-style-type: none;
    padding: 10px;
}

footer nav ul li a{
    text-decoration: none;
    color: #333;
}

footer nav ul li :hover{
    color: #427eff;
}

/* ---max-width:480px----- */

@media screen and (max-width:768px) {
    .trace3-img{
        display: block;
        padding: 0;
        width: 100%;
    }
    
    .trace3-img li{
       list-style: none;
       width: calc(100%/1);
    }
    
    .trace3-img li img{
        width: 100%;
        height: 500px;
        object-fit:cover;
    }
}