body {
    margin: 0;
}

.container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 324px;
    height: 100%;
    overflow: clip;
}
@media screen and (max-width: 900px) {
    .sidebar {
        width: 0;
    }
}

.dragbar {
    width: 5px;
    background-color: #ddd;
}

.main {
    flex: 1;
    padding: 0;
    overflow: clip;
}

iframe {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: none;
}

#idxPop iframe {
    width: 100%;
    height: calc(100% - 2em);
    overflow: hidden;
    border: none;
}

#idxPop {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 320px;
    height: 100%;
    padding: 0 4px 4px 4px;
    background: #ccc;
}

button {
    position: fixed;
    z-index: auto;
    top: 0;
    left: 0;
    margin: 0;
    cursor: pointer;
}

#Idxmenu {
    display: none;
}

@media screen and (max-width: 860px) {
    #Idxmenu {
        display: flex;
    }
}

.idx_btn {
    font-size: 16px;
    font-weight: bold;
}

.cross_btn {
    font-size: 20px;
    font-weight: bold;
}