body {
    font-family:"游ゴシック";
    background-color:hsla(0,0%,100%,1);
    background-image:
    radial-gradient(at 100% 100%, hsla(288,100%,71%,1) 0px, transparent 75%),
    radial-gradient(at 0% 100%, hsla(59,100%,50%,1) 0px, transparent 75%),
    radial-gradient(at 100% 35%, hsla(124,38%,56%,1) 0px, transparent 75%),
    radial-gradient(at 0% 32%, hsla(104,100%,82%,1) 0px, transparent 75%);
    background-attachment: fixed;
    margin: 0;
    padding: 0 30px;
    }
a{
    text-decoration: none;
}
main{
    max-width: 1303px;
    margin: auto;
    background-color: rgba(255,255,255,0.7);
    padding: 0 60px;
}
@media (max-width: 767px){
    body{
        padding: 0 10px;
    }
    main{
        padding: 0 20px 40px;
    }
}
h1, h2, h3, h4, h5{
    margin: 0;
}
.bold{
    font-weight: 700;
}
.section-space{
    width: 100%;
    margin: 120px auto;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 2s;
}
@media (max-width: 767px){
    .section-space{
        display: block;
        margin: 30px auto;
        max-width: 420px;
    }
}


.cover{
    padding-top: 20vh;
}
.mix3r{
    display: block;
    margin: auto;
    margin-top: 73px;
    width: 100%;
    position: relative;
}

.mix3r-origin{
    width: 100%;
    position: relative;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 2s;
}
.mix3r-green{
    position: absolute;
    width: 58%;
    top: 0%;
    left: 0%;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 1s;
}
.mix3r-red{
    position: absolute;
    width: 46.5%;
    top: 0%;
    left: 53.7%;
    opacity: 0;
    transition: opacity 2s;
    
}
/* .mix3r-blue{
    position: absolute;
    width: 82%;
    top: 0%;
    left: 8%;
} */


.cover-title{
    margin: auto;
    width: 667px;
    padding-top: 55px;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 3s;
}
.cover-title h1{
    font-size: 72px;
    color: #fff;
    text-shadow: #333 1px 0 11px;
    text-align: center;
    margin: 0;
    margin-bottom: -43px;
}
@media (max-width: 1179px) {
    .cover-title{
        width: 500px;
    }
    .cover-title h1{
        font-size: 56px;
        margin-bottom: -36px;
    }
}
@media (max-width: 767px) {
    .cover-title{
        width: 240px;
        padding-top: 24px;
    }
    .cover-title h1{
        font-size: 24px;
        margin-bottom: -14px;
    }
}
.cover-title-cg{
    letter-spacing: -0.2em;
    margin-right: 0.15em;
}
.cover-title-line{
    margin: 0 -0.07em;
}
.cover-title-last{
    margin-left: -0.07em;
}
.cover-title div{
    width: 100%;
    height: 29px;
    background-color: rgba(0,0,0,0.66);
}
@media (max-width: 767px){
    .cover-title div{
        height: 12px;
    }
}

.cover-discription{
    background-color: rgba(0,0,0,0.66);
    width: 100%;
    margin: auto;
    margin-top: 67px;
    padding-top: 37px;
    padding-bottom: 63px;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 3s;
}
.cover-discription>h2{
    font-size: 72px;
    text-align: center;
    margin: 0;
    color: #fff;
    text-shadow: #111 1px 0 11px;
}
.cover-discription>h2>span{
    font-size: 36px;
}
.cover-discription p{
    font-size: 36px;
    text-align: center;
    line-height: 1.75em;
    color: #fff;
    max-width: 1000px;
    margin: auto;
}
@media (max-width: 1179px){
    .cover-discription>h2{
        font-size: 56px;
    }
    .cover-discription>h2>span{
        font-size: 28px;
    }
    .cover-discription p{
        font-size: 24px;
        max-width: 640px;
    }
}
@media (max-width: 767px){
    .cover-discription{
        max-width: 420px;
    }
    .cover-discription>h2{
        font-size: 36px;
    }
    .cover-discription>h2>span{
        font-size: 18px;
    }
    .cover-discription p{
        font-size: 18px;
        max-width: 320px;
        text-align: start;
    }
}



/* 活動紹介
------------------------------ */

.active{
    box-sizing: border-box;
    background-color: rgba(0,0,0,0.66);
    width: 100%;
    padding: 60px 30px 90px;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 3s;
}
.active h2{
    color: #fff;
    text-align: center;
    font-size: 60px;
}
.active-container{
    display: flex;
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-top: 80px;
    row-gap: 80px;
}
.active-content{
    width: calc(50% - 15px);
}

.active-content h3{
    font-size: 36px;
    text-align: center;
    margin-bottom: 4px;
    font-weight: 400;
    color: #fff;
}
.active-cover{
    width: 100%;
}
.active-cover img{
    width: 100%;
}
.active-cover-1, .active-cover-2, .active-cover-3, .active-cover-4{
    opacity: 0;
    transition: opacity 1s;
}
.active-cover-2, .active-cover-4{
    transition-delay: 0.5s;
}
.active-cover-active{
    opacity: 1;
}
@media (max-width: 1179px){
    .active h3{
        font-size: 28px;
    }
    .active h2{
        font-size: 48px;
    }
}
@media (max-width: 767px){
    .active{
        padding: 30px 10px 45px;
        max-width: 420px;
        margin: auto;
    }
    .active h2{
        font-size: 36px;
    }
    .active-container{
        padding-top: 40px;
        row-gap: 30px;
    }
    .active-content{
        width: 100%;
    }
    .active-cover-2, .active-cover-4{
        transition-delay: 0;
    }
}


/* 連絡
--------------------------- */
.nav{
    width: 100%;
    opacity: 0;
    transition: opacity 2s;
    transition-delay: 3s;
}
.nav-container{
    display: flex;
    width: 100%;
    justify-content: center;
}
.nav-left{
    box-sizing: border-box;
    width: calc(50% - 15px);
    padding: 32px 0;
    background-color: rgba(0,0,0,0.66);
}
.nav-left img{
    display: block;
    margin: auto;
}

.nav-right{
    width: 80%;
}
.nav-right-content{
    height: 180px;
    width: 100%;
    box-sizing: border-box;
    padding: 60px;
    background-color: rgba(0,0,0,0.66);
    display: flex;
    justify-content: center;
    column-gap: 30px;
    margin-bottom: 30px;

}
.nav-right-content span{
    font-size: 60px;
    color: #fff;
    line-height: 60px;
}
.nav-right-content img{
    width: 60px;
    height: 60px;
}
.bi-twitter{
    color: #fff;
    width: 60px;
    height: 60px;
}
@media (max-width: 1179px){
    .nav-right-content span{
        font-size: 48px;
    }
    .nav-right-content img{
        width: 48px;
        height: 48px;
    }
    .bi-twitter{
        width: 48px;
        height: 48px;
    }
}
@media (max-width: 767px){
    .nav-right{
        max-width: 360px;
    }
    .nav-right-content{
        height: 80px;
        padding: 28px;
    }
    .nav-right-content span{
        font-size: 24px;
        margin-top: -16px;
    }
    .nav-right-content img{
        width: 24px;
        height: 24px;
    }
    .bi-twitter{
        width: 24px;
        height: 24px;
    }
}

.mix3r-active{
    opacity: 1;
}
.mix3r-close{
    opacity: 0;
}