body {
    padding: 0;
    margin: 0;
    background: #fffffc;
    animation: fadeIn 1s ease 0s 1 normal;
    -webkit-animation: fadeIn 1s ease 0s 1 normal;
}

@keyframes fadeIn {
    0% {
        opacity: 0
    }
    100% {
        opacity: 1
    }
}

#operation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
}

@media screen and (min-width:320px) and (max-width:768px) {
    .screen {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 80%;
        z-index: 10;
        margin: auto;
        transition: all 1s;
    }
    .buttons {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 80%;
        z-index: 9;
        margin: auto;
        border: 1px rgba(255, 0, 0, 1) solid;
    }
}

@media screen and (min-width:768px) {
    .screen {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 50%;
        z-index: 10;
        margin: auto;
        transition: all 1s;
    }
    .buttons {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        width: 50%;
        z-index: 9;
        margin: auto;
        border: 1px rgba(255, 0, 0, 1) solid;
    }
}

.image img {
    width: 100vw;
    margin: 0;
    padding: 0;
    text-indent: 0;
}

.youTube {
    width: 100vw;
    max-width: 640px;
    height: 360px;
    margin: 0;
    padding: 0;
}

.youTubeDemo {
    width: 280px;
    height: 500px;
    position: relative;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
}

.hover {
    filter: saturate(1.0);
    transition: filter 3s;
}

.disappear {
    opacity: 0;
}

.text {
    padding: 0px 10px 0px 10px;
}

.movie {
    padding: 0;
    text-indent: 0px;
    text-align: center;
    margin: 0px 0px 10px 0px;
}

.mp4 {
    height: 480px;
}

h1 {
    display: none;
}

.title {
    font-size: 15pt;
    font-family: "HiraKakuProN-W6";
    text-indent: 0px;
}

#download {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 0px 0px 0px 5px;
}

.googlePlay {
    width: 155px;
    height: 60px;
    margin: -10px 0px -10px 0px;
}

.description {
    font-size: 11pt;
    text-indent: 1em;
    margin: 10px 10px 20px;
    font-family: "HiraMinProN-W3";
}

.description li {
    font-size: 11pt;
    text-indent: 0em;
    font-family: "HiraMinProN-W3";
    margin: 0px;
    line-height: 24px;
}

.caption {
    font-size: 11px;
    text-align: center;
    font-family: "HiraMinProN-W3";
    margin: 5px 0px 25px 0px;
}

.credit {
    font-size: 10pt;
    text-align: right;
    font-family: "HiraMinProN-W3";
}

.role {
    font-size: 12pt;
    font-family: "HiraKakuProN-W6";
    text-indent: 0.5em;
}