@charset "UTF-8";
html {
    /* 根元素設定為10px 一般browser標準為16px */
    font-size: 62.5%;
    margin:0;
    overflow: hidden;
    height:100%;    
}

body {
    font-family: 'Roboto', sans-serif, '微軟正黑體';
    font-weight: normal;
    /* body字型設定12px */
    font-size: 1.6rem;
    box-sizing: border-box;
    margin:0;
    overflow-y: hidden;
    height:100%;    
}
a,a:link,a:visited,a:active {
    color:white;
}

.fireflies{
    position: relative;
    display: block;   
    width:100vw;
    height:100%;
    z-index: -1;
    background-color:#5989A0;


}

.desc_img{
    position: absolute;
    background: url('../img/mouse01-01.png') no-repeat;
    width:100px;
    height: 100px;
    margin-top: -50px;
    top:50%;
    z-index: 100;
    margin-left:-50px;
    left:50%;
}
.desc_img span{
    position: absolute;
    display: block;
    width:250px;
    text-align: center;
    color:#E3E3E3;
    margin-left:-125px;
    left:50%;
    bottom:-3.5rem;
}
.img-sequence img{
    display:none;
    position:absolute;
    height:100vh;
    width:100%;
}
.img-sequence img:first-child{
    display:inline;
}
.PS_P3{
    position: absolute;
    right:3%;
    bottom:3%;
    color:#E3E3E3;
    font-size: 1rem;
    width:350px;
}





/* smart phone setting */


/*ipad*/

@media (max-width: 1024px) {
    body {
        background-image: none;
    }
}


/*other smart device*/

@media (max-width: 768px) {
.PS_P3{
    display:none;
}