@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');
html,
body{
    font-family: "Noto Sans JP", sans-serif;
    margin: 0;
    line-height: 1.6em;
    overflow-x: hidden;
}
main{
    background-color: rgba(0,0,0,0.65);
}
video,
img{
    max-width: 100%;
}
a{
    transition: 0.4s;
    text-decoration: none;
}
a:hover{
    opacity: 0.7;
}
section{
    padding: 60px 10px;
    box-sizing: border-box;
    margin: 30px auto;
    position: relative;
}
.contents{
    width: 1400px;
    max-width: 100%;
    padding: 0;
    box-sizing: border-box;
    margin: auto;
}
.flex{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.titleimg{
    margin: 0 auto 30px;
    display: block;
    width: 600px;
}
.text-center{
    text-align: center;
}
.sp{
    display: none;
}
.blue{
    background-color: rgba(49,72,203,0.65);
}
.purple{
    background-color: rgba(69,26,126,0.65);
}

/* header */
.header{
    color: #fff;
    position: fixed;
    width: 100%;
    z-index: 11;
}
.header ul{
    margin: 0;
}
.header ul li{
    list-style: none;
}
.header-inner{
    display: flex;
    justify-content: space-between;
}
.logo img{
    height: 150px;
    padding: 15px;
}
.nav-pc{
    padding: 20px 10px 0;
    box-sizing: border-box;
}
.nav-pc img{
    height: 30px;
}
.nav-pc-top{
    display: flex;
}
.nav-pc-top li a{
    padding: 2px 18px;
}
.nav-pc-main{
    display: flex;
    padding-right: 5px;
}
.nav-pc-main a{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.nav-trigger{
    width: 28px;
    height: 22px;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}
.nav-trigger span{
    display: block;
    height: 3px;
    background: #fff;
}
.nav-sp-overlay{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    color: #fff;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0s linear 0.35s;
}
.nav-sp-overlay.is-open{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease, visibility 0s;
}
.nav-sp-menu ul{
    padding: 50px 30px 30px 20px;
}
.nav-sp-menu li{
    list-style: none;
}
.nav-sp-menu a{
    padding: 10px 0;
    box-sizing: border-box;
}
body.nav-open{
    overflow: hidden;
}
.nav-close{
    position: absolute;
    top: 10px;
    right: 15px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
}
.nav-close::before,
.nav-close::after{
    content: "";
    position: absolute;
    top: 15px;
    left: 0;
    width: 32px;
    height: 3px;
    background: #fff;
    transform-origin: center;
}
.nav-close::before{
    transform: rotate(45deg);
}
.nav-close::after{
    transform: rotate(-45deg);
}
#bottoms{
    width: 100%;
    position: fixed;
    bottom: 0;
    z-index: 1;
    display: flex;
    align-items: flex-end;
}
#bottoms img {
    display: block;
}
#bottoms #stagebar{
    width: 100%;
    background: linear-gradient(to right, #451a7e, #901386, #db0c8e);
    height: 60px; 
    display: flex;
    justify-content: center;
    align-items: center;
}
#bottoms #stagebar img{
    max-width: 50%;
    max-height: 120%;
}
#bottoms #stagebtn{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 20%; 
    z-index: 2;
}
.copyright{
    text-align: center;
    padding: 80px 0 0px;
    color: #fff;
    font-size: 0.8em;
}

@media(max-width: 768px){
    .sp{
        display: block;
    }
    .pc{
        display: none !important;
    }
    section{
        padding: 30px 10px;
        margin: 15px auto;
    }

    .nav-pc{
        display: none;
    }
    .nav-trigger{
        display: flex;
        padding: 15px;
    }
    .logo img{
        height: 100px;
        padding: 10px 10px 0;
    } 
    .nav-sp-menu li{
        text-align: center;
        margin-bottom: 15px;
    }
    .nav-sp-menu li img{
        height: 45px;
    }

    #bottoms #stagebar{
        justify-content: flex-start;
    }
    #bottoms #stagebar img{
        max-width: 75%;
    }
    #bottoms #stagebtn{
        width: 30%;
    }
    .copyright{
        padding: 60px 0 50px;
        font-size: 0.7em;
    }

    .titleimg{
        width: 100%;
        margin: 0 auto 20px;
    }
}