/*common*/

html, body, div, span, applet, object, iframe, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video, span {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 62.5%;
    font: inherit;
    vertical-align: baseline;
    scroll-behavior: smooth;
    
}

body{
    font-family: "Renner", "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", sans-serif;
    color: #393939;
}

.wrap{
    margin: 20vh auto;
}


/* Top */

#top{
    width: 100vw;
    height: 100vh;
    background: center;
    background-image: url("../image/main2.png");
    background-size: cover;
    background-repeat: no-repeat;
}


.top-title{
    display: none;
}

h3{
    text-align: center;
    font-size: 1.2rem;
    padding: 15vh 0 5vh 0;
}

@media screen and (max-width: 480px){
    #top{
        background-image: url('../image/smart-phone.png');
        background-size: cover;
    }
    .top-title{
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        height: 98vh;
        padding-left: 5vw;
    }
    h1{
        font-size: 1.7rem;
        margin-bottom: 0;
    }
    h2{
        margin: 0;
        font-size: 0.7rem;
    }
    .top-title p{
        margin: 0 0 15vh;
        font-size: 0.6rem;
    }
}


/* header */

.header{
	width: 100%;
	min-width:1000px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0;
    transition: .3s;
}

.header.fixed{
    position: fixed;
    text-align: center;
    top: 0;
    padding-right: 5vw;
    opacity: 1;
    z-index: 1;
}

.menu {
    background-color: rgb(255, 255, 255);
    width: 100%;
    text-align: center;
}

.menu ul{
    display: flex;
    justify-content: center;
    margin: 1vw 30vw;
    list-style: none;
    text-align: center;
}

.menu li+li{
    border-left: 1px solid #999;
}

.menu a{
    color: #999999;
    text-decoration: none;
    border-bottom: none;
    font-weight: bold;
    font-size: 1.1rem;
    position: relative;
    transition: .3s;
}
.menu a::after{
    position: absolute;
    bottom: 0;
    left: 50%;
    content: '';
    width: 0;
    height: 1px;
    background-color: #999999;
    transition: .3s;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
}
.menu a:hover::after{
    width: 100%;
}

.main{
    flex: 2;
}
.on_off{
    flex: 1;
}
.on_off p{
    text-align: center;
}

/* music play */
.icon{
    font-size: 0.9rem;
    color: #c0c0c0;
}

.fa-play, .fa-pause{
    opacity: 1;
}
.fa-play.invisible, .fa-pause.invisible{
    opacity: 0;
}

@media screen and (max-width: 896px){
    .menu{
        width: 100vw;
        font-size: 1.4rem;
    }
    .menu ul{
        margin: 1vw 15vw;
    }
    .menu a{
        font-size: 1rem;
    }
}

@media screen and (max-width: 480px){
    .menu{
        display: none;
    }
}


/* Caution */

.modalArea{
    display: none;
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.modalBg{
    width: 100%;
    height: 100%;
    background-color: rgba(111, 111, 123, 0.9);
}

.modalWrapper{
    position:absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    width: 70%;
    max-width: 500px;
    padding: 3vh 6vh;
    background-color: #fff;
}

.modalContents{
    text-align: center;
}



.flexbox ul{
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 2vh;
}

.flexbox li{
    flex: 1;
    position: relative;
    cursor: default;
}


.flexbox li::after{
    flex: 2;
    position: absolute;
    bottom: 0;
    left: 50%;
    content: '';
    width: 0;
    height: 1px;
    background-color: #999999;
    transition: .3s;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
}

.flexbox li:hover::after{
    width: 100%;
}

.closeModal{
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-weight: bold;
    cursor: pointer;
}


/* Concept */

.concept_text{
    margin: 1vh;
    text-align: center;
    line-height: 2.2;
}

.sp-concept-text{
    display: none;
}

@media screen and (max-width: 896px){
    .concept_text{
        display: none;
    }
    .sp-concept-text{
        display: block;
        text-align: center;
        line-height: 2.2;
        font-size: 0.9rem;
    }
    .explanation{
        font-size: 0.8rem;
    }
}

@media screen and (max-width: 480px){
    .sp-concept-text{
        margin: 1vh;
       font-size: 0.8rem;
    }
    
}


/* Infomation */

.info_text{
    margin: 5vw auto;
    width: 30vw;
    text-align: center;
    line-height: 1.8;
}

.schedule{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.schedule span{
    font-size: 2.2rem;
    font-weight: bold;
}

.start, .end{
    flex: 2;
}

.border{
    flex: 1;
    border-top: 1px solid;
    content: '';
}

.time span{
    font-weight: bold;
}

.space{
    margin-top: 6vh;
    margin-bottom: 1vh;
}

.place{
    margin: 5vh auto;
}

.museum{
    font-size: 1.2rem;
    font-weight: bold;
    margin: 10px auto;
}

@media screen and (max-width: 896px){
    .info_text{
        width: 75vw;
    }
}

@media screen and (max-width: 480px){
    .schedule span{
        font-size: 1.8rem;
    }
    .museum{
        font-size: 1rem;
    }
    .explanation{
        font-size: 0.9rem;
        line-height: 1.8;
    }
}


/* SNS */

.sns_link{
    padding: 0 7vw;
    display: flex;
    justify-content: center;
    align-items:flex-start;
}

.insta{
    flex: 1;
    position: relative;
    padding-left: 10%;
}

.twitter{
    flex: 1;
    position: relative;
}

@media screen and (max-width: 896px){
    .sns_link{
        display: block;
        margin-right: auto;
        margin-left: auto;
    }
    .insta{
        padding-left: 5vw;
    }
    .twitter{
        padding-left: 5vw;
    }
}

@media screen and (max-width: 480px){
    .sns_link{
        display: block;
        margin-right: auto;
        margin-left: auto;
    }
    .insta{
        padding-left: 1vw;
    }
    .twitter{
        padding-left: 1vw;
    }
}

/* music play button in smart phone */

.sp-music-btn{
    display: none;
}

@media screen and (max-width: 480px){
    .sp-music-btn.fixed{
        background-color: #fff;
        border: 1px solid #fff;
        border-radius: 3px;
        display: block;
        position: fixed;
        padding: 1vh;
        margin-left: 89%;
        text-align: center;
        bottom: 1vh;
    }
    .icon{
        color: #c0c0c0;
    }
}



/* footer */

.footer{
    background-color: #dcdcdc;
    padding-top: 2vh;
    padding-bottom: 1vh;
    font-size: 0.9rem;
    text-align: center;
}

@media screen and (max-width: 480px){
    .footer{
        font-size: 0.6rem;
    }
}