* {
    box-sizing: border-box;
}

body {
    margin: 0px;
}

#resize-bar {
    position: absolute;
    cursor: col-resize;
    z-index: 10;
    padding: 5px;
    background-color: transparent;
    width: 10px;
}

#container {
    background-color: #f1f1f1;
    width: 100%;
    /* overflow: hidden; */  /* ** */
    position: absolute;
    top: 0;
    bottom: 0;
    /* height: 100%; */   /* ** */
}

#left-container, #right-container {
    float: left;
    /* height: 100%; */   /* ** */
}

@media screen and (max-width:813px) {
    /*　スマホ　*/
    #left-container {
        display:none;
    }

    #right-container {
        width: 100%;
    }   
}

@media screen and (min-width:813px) {
    /*　PC 　*/
    #left-container {
        width: 20%;
    }

    #right-container {
        width: 80%;
    }
}


#left-content, #right-content {
    /* height: 100%; */   /* ** */
    width: 100%;
    padding-bottom: 10px;
    padding-top: 1px;
}

#left-content {
    padding-left: 10px;
    padding-right: 5px;
    background-color: lightskyblue;
    overflow: scroll;
    overflow-x:hidden;
}

#right-content {
    padding-left: 20px;
    padding-right: 10px;
    background-color: white;
    /* overflow: scroll; */  /* ** */
}

#header-container {
    display: none;
}