*{
    -webkit-user-select: none;
    -moz-user-select: none;
    -webkit-user-drag: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
    user-select: none;
}
body{
    width: 100vw;
    background-color: #000;
}
img{
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-optimize-contrast; 
    image-rendering: crisp-edges; 
}
.page{
    position: relative;
    display: none;
}
.Q1{
    display: block;
}
.btn{
    position: absolute;
    width: 90vw;
    height: 18vw;
    /* background-color: aquamarine; */
    left: 0;
    right: 0;
    margin: auto;
    opacity: 0.5;
}
.btn_Q1A, .btn_Q2A{
    top: 51.5vw;
}
.btn_Q1B, .btn_Q2B{
    top: 76vw;
}
.btn_s{
    position: absolute;
    width: 45vw;
    height: 15vw;
    /* background-color: aquamarine; */
    left: 0;
    right: 0;
    margin: auto;
    opacity: 0.5;
}
.btn_1A{
    top: 140vw;
}
.btn_1B{
    top: 143vw;
}
.btn_s2{
    position: absolute;
    width: 75vw;
    height: 18vw;
    /* background-color: aquamarine; */
    left: 0;
    right: 0;
    margin: auto;
    opacity: 0.3;
}
.btn_2A{
    top: 140vw;
}
.btn_2B{
    top: 146vw;
}
.result{
    display: none;
}
.arrow_l{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1vw;
    margin: auto;
    transform: rotate(-90deg);
}
.arrow_r{
    position: absolute;
    top: 0;
    bottom: 0;
    right: 1vw;
    margin: auto;
    transform: rotate(90deg);
}
.btn_result{
    position: absolute;
    width: 90vw;
    height: 15vw;
    /* background-color: aquamarine; */
    left: 0;
    right: 0;
    margin: auto;
    opacity: 0.5;
}
.share1{
    top: 129vw;
}
.survey1{
    top: 148vw;
}
.share2{
    top: 132vw;
}
.survey2{
    top: 150vw;
}