/* 全体のリセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;

    color-scheme: dark;
}


header {
    width: 100%;
    height: 63px;
    position: fixed;
    top: 0;
    z-index: 999;
    background-color: rgb(0, 0, 0);
}

h1 img {
    width: 45px;
    height: 45px;
    margin-left: 20%;
    margin-top: 9px;
}

h2 {
    font-size: 21px;
    margin-bottom: 20px;
}

h3 {
    font-size: 19px;
    margin-bottom: 30px;
}

p {
    font-size: 15px;
    font-weight: 100;
    margin-bottom: 30px;
}

.BG {
    position: fixed;
    top: 0;
    z-index: -99;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.BG img {
    display: block;
}

.content {
    word-wrap: break-word;
    width: 45vw;
    background-color: #281c1c;
    padding: 3vw;
    margin-top: 2vw;
    margin-bottom: 2vw;

}

.content video {
    width: 100%;
    margin-bottom: 30px;
}

.button {
    margin-top: 120px;
}

.scoll {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-top: 5%;
    padding-left: 10%;
    padding-right: 10%;
}



@media screen and (max-width: 1400px) {

    h1 img {
        margin-left: 10%;
    }

    .button {
        display: none;
    }

    .scoll {
        width: 100%;
        display: flex;
        justify-content: center;
        padding-top: 5vw;
        padding-left: 10vw;
        padding-right: 10vw;
    }

    .content {
        background-color: #281c1c;
        padding: 3vw;
        margin-top: 10vw;
        margin-left: 10vw;
        margin-right: 10vw;
        margin-bottom: 5vw;
        width: 85vw;
    }

}

@media screen and (max-width: 1000px) {

    .scoll {
        width: 100%;
        display: flex;
        justify-content: center;
        padding-top: 10vw;
        padding-left: 10vw;
        padding-right: 10vw;
    }

    .content {
        background-color: #281c1c;
        padding: 3vw;
        margin-top: 10vw;
        margin-left: 10vw;
        margin-right: 10vw;
        margin-bottom: 5vw;
        width: 85vw;
    }

}

@media screen and (max-width: 420px) {

    h1 img {
        margin-left: 20px;
    }

    h2 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 16px;
        margin-bottom: 30px;
    }

    p {
        font-size: 14px;
        font-weight: 100;
        margin-bottom: 30px;
    }


    .content {
        background-color: #281c1c;
        padding: 3vw;
        margin-top: 10vw;
        margin-left: 10vw;
        margin-right: 10vw;
        margin-bottom: 5vw;
        width:85vw;
    }



}