body {
    color: #4D4D4D;
    background-color: black;

}

/* PCレスポンシブ */

@media screen and (min-width: 600px) {

    .sp {
        display: none;
    }

    .fv {
        position: relative;
        height: 100vh;
        overflow: hidden;
    }

    .fv-overlay {
        position: absolute;
        width: 100%;
        height: 100%;
        background: black;
        opacity: 1;
        z-index: 3;
        transition: opacity 3s ease;
    }

    .fv-slider img {
        position: absolute;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0;
        transition: opacity 0.8s ease-in-out;
    }

    .fv-slider img.active {
        opacity: 1;
    }

    .fv-text-animated {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: white;
        text-align: center;
        z-index: 4;
        opacity: 0;
        transition: opacity 1s ease;
    }

    .fv-text-animated.show {
        opacity: 1;
    }

    .animated-title {
        font-size: 3rem;
        margin: 10px 0;
        letter-spacing: 0.1em;
        /* font-family: "futura-pt", sans-serif; */
        font-weight: 400;
        font-style: normal;
    }

    .line {
        height: 1px;
        background: white;
        margin: 10px auto;
        transform: scaleX(0);
        transition: transform 1s ease;
    }

    .top-line {
        transform-origin: right;
    }

    .bottom-line {
        transform-origin: left;
    }

    .top-line.expand {
        transform: scaleX(1);
    }

    .bottom-line.expand {
        transform: scaleX(1);
    }

    .top-line.contract {
        transform-origin: left;
        transform: scaleX(0);
    }

    .bottom-line.contract {
        transform-origin: right;
        transform: scaleX(0);
    }


    .end-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: black;
        opacity: 0;
        z-index: 4;
        transition: opacity 2s ease;
        pointer-events: none;
    }

    .end-message {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 4rem;
        color: white;
        opacity: 0;
        z-index: 5;
        /* font-family: "gotham", sans-serif; */
        font-weight: 200;
        font-style: normal;
        transition: opacity 2s ease;
        text-align: center;
        line-height: 1.6;
    }

    .lux {
        font-size: 6rem;
    }

    .replay-button {
        position: fixed;
        bottom: 40px;
        right: 40px;
        background: rgba(0, 0, 0, 0.7);
        color: #fff;
        border: none;
        padding: 12px 20px;
        font-size: 16px;
        border-radius: 5px;
        opacity: 0;
        transition: opacity 0.5s;
        z-index: 1000;
        cursor: pointer;
    }

}