.instruction {
    display: none;
    position: absolute;
    z-index: 9999;
    height: 170vh;
    width: 100%;
    padding-top: 10vh;
}

.instruction-bg {
    position: absolute;
    top: 0px;
    background: #000;
    height: 100%;
    width: 100%;
    opacity: 0.5;
}

.indicator {
    position: relative;
    top: 20vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: swipeHand 1s infinite;
}

.arrow {
    width: 10vh;
    height: 20vh;
    background: url("./arrow.png") no-repeat center;
    background-size: contain;
}

.hand {
    width: 20vh;
    height: 20vh;
    background: url("./hand.png") no-repeat center;
    background-size: contain;
}

@keyframes swipeHand {
    0% {
        transform: translateY(10vh);
        opacity: 0;
    }
    25% {
        transform: translateY(10vh);
        opacity: 1;
    }
    75% {
        transform: translateY(-10vh);
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh);
        opacity: 0;
    }
}

#icon-fullscreen {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: url(./icon-fullscreen.svg) no-repeat center;
    background-size: 60%;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    z-index: 1000;
    display: none;
}

@media only screen and (min-width: 320px) and (max-width: 1024px) and (orientation: portrait) {
    .instruction {
        height: 100vh !important;
        transform: rotate(90deg);
    }
}