)のvideoはフルスクリーンでサウンドを開く

              //      
              $(window).on('resize',function(e){
                    var explorer = window.navigator.userAgent.toLowerCase();
                    if(explorer.indexOf('chrome')>0){//webkit
                        if ($('#video').height() === window.screen.height && $('#video').width() === window.screen.width) {
                            $('#video')[0].muted=false;
                        } else {
                            $('#video')[0].muted=true;
                        }
                    }else{//IE 9+  fireFox
                        console.log(window.outerHeight)
                        if (window.outerHeight === window.screen.height && window.outerWidth === window.screen.width) {
                            $('#video')[0].muted=false;
                        } else {
                            $('#video')[0].muted=true;
                        }
                    }
                    console.log($('#video').width(),window.screen.width,document.body.scrollWidth)
                    console.log($('#video').height(),window.screen.height,document.body.scrollHeight)
                    if ($('#video').height() === window.screen.height && $('#video').width() === window.screen.width) {
                        $('#video')[0].muted=false;
                    }
                    else{
                        $('#video')[0].muted=true;
                    }
                })
                //      
                $('#video')[0].muted=true;