body{
    background-color: aquamarine;
}

.HEADER{
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100px;
    height: 100%;
    border: solid;
    margin: 0px;

    background-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 10px rgb(0, 0, 0);

    z-index: 1;
}
.CONTENTS>iframe{
    position: relative;
    left: 100;
    right: 0;
    margin: auto;
    width: calc(100% - 100px);
    height: calc(100vh - 30px);

    border: solid;

    box-shadow: 0 0 10px rgb(0, 0, 0);

    z-index: 0;
}
/*===========================================[ ホーム画面(動画) ]===========================================*/
.home_video{
    display: grid;
    grid-template-columns: repeat(auto-fill, 300px);
    gap: 11px;
    grid-auto-rows: minmax(100px, auto);
    margin: auto;
}

/*===========================================[ 検索窓 ]===========================================*/
.SEARCH_WINDOW{
    /*ボーダー*/
    border: solid;

    /*色*/
    background-color: rgba(255, 255, 255, 0.5);

    /*ポジション*/
    position: absolute;
    padding: 20px;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;

    /*サイズ*/
    width: 500px;
    height: 200px;

    /*レイヤ＾*/
    z-index: 1;
}
.SEARCH_WINDOW>input{
    transition: 0.5s ;
    border: solid;
    border-color: aliceblue;
    width: 100%;
    height: 50px;
    font-size: 30px;
}
.SEARCH_WINDOW>input:hover{
    transition: 0.5s ;
    border-color: orange;
}
.SEARCH_WINDOW>input:focus{
    transition: 0.5s ;
    border-color: red;
}
.SEARCH_WINDOW>.sbmit{
    transition: 0.5s ;
    border: solid;
    border-color: aliceblue;
    background-color: aliceblue;
    width: 100%;
}
.SEARCH_WINDOW>.sbmit:hover{
    transition: 0.5s ;
    border-color: rgba(255, 166, 0, 0.753);
    background-color: rgba(255, 166, 0, 0.753);
}
.SEARCH_WINDOW>.sbmit:focus{
    transition: 0.5s ;
    border-color: orange;
    background-color: orange;
}
/*===========================================[ ステータス表示 ]===========================================*/
.STATUS>iframe{
    /*ボーダー*/
    border: solid;

    /*色*/
    background-color: rgba(255, 255, 255, 0.5);
    
    /*ポジション*/
    position: absolute;
    padding: 20px;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;

    /*サイズ*/
    width: 1000px;
    height: 500px;
    
    /*レイヤ＾*/
    z-index: 1;
}