Recyclex / GBF Remove Mobage Sidebar

// ==UserScript==
// @name         GBF Remove Mobage Sidebar
// @version      20190409.1
// @description  Removes the Mobage sidebar... for now.
// @match        *://game.granbluefantasy.jp/*
// @match        *://gbf.game.mbga.jp/*
// @downloadURL  https://openuserjs.org/src/scripts/Recyclex/GBF_Remove_Mobage_Sidebar.user.js
// @updateURL    https://openuserjs.org/src/scripts/Recyclex/GBF_Remove_Mobage_Sidebar.user.js
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';
    var link = window.document.createElement('link');
    link.rel = 'stylesheet';
    link.type = 'text/css';
    link.href = 'data:text/css,' +
    // Selectors start here
        '.z5cwqEHi5T8D9u8TPHH6m{display: none !important;}'
    ;
    document.getElementsByTagName("HEAD")[0].appendChild(link);

})();