(function() {
    var url = 'https://lpcontents.se-ec.co.jp/chat';
    
    var device = '';
    if (navigator.userAgent.indexOf('iPhone') != -1 || navigator.userAgent.indexOf('iPad') != -1 || navigator.userAgent.indexOf('iPod') != -1 || navigator.userAgent.indexOf('Android') != -1) {
      device = '_sp';
    }
    
    //iOS 100vhのエラー対策
    if(device == "_sp") { 
      const setVh = () => {
        const vh = window.innerHeight * 0.01;
        document.documentElement.style.setProperty('--vh', `${vh}px`);
      };
      window.addEventListener('load', setVh);
      window.addEventListener('resize', setVh);
    }

    /*
     * 親(呼び出し元)に追加するcss
     */
    var l = document.createElement('link');
    l.setAttribute('rel', 'stylesheet');
    l.setAttribute('href', url+'/css/parent'+device+'.css');
    document.getElementsByTagName('head')[0].appendChild(l);
    
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = url+'/js/parent'+device+'.js';
    document.getElementsByTagName('head')[0].appendChild(script);

    /*
     * チャット本体
     */
    var f = document.createElement('iframe');
    f.setAttribute('src', url+'/chat'+device+'.php'+'?id=ZsGeFjFuKV4K&mode=faq');
    f.setAttribute('id', 'sc-chat');
    f.setAttribute('class', 'close');
    document.getElementsByTagName('body')[0].appendChild(f);
})();