body {
    background-color: red;
    color: #ddd;
    font-family: "Courier New", Courier, monospace;
    overflow: hidden;
}
.title {
    display: block;
    width: 100vw;
    position: fixed;
    z-index: 11;
    text-align: center;
}
#stage {
    position: absolute;
    width: 100vw;
    height: 50vw;
    overflow: hidden;
    bottom: 0;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    background-color: transparent;
}
video {
    max-width: 80%;
    max-height: 25vw;
    aspect-ratio: 3/2;
    background-color: transparent;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    right: 0;
    margin-left: 0;
    margin-right: 0;
    bottom: 0%;
    z-index: 5;
}
.raison {
    width: 75em;
    text-align: left;
    position: absolute;
    right: 0;
    opacity: 0;
    animation: raison;
    animation-duration: 60s;
}
@keyframes raison {
    0% {
        right: -50vw;
        filter: blur(10px);
        opacity: 0;
    }
    25% {
        filter: blur(0);
        opacity: 1;
    }
    100% {
        right: 50vw;
        filter: blur(10px);
        opacity: 0;
    }
}