$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_01_all').offset().top - 800 ){
         $('.an_01_01, .an_01_02, .an_01_03, .an_01_04').css({'animation-play-state':'running'});  
            } 
    });



$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_02_all').offset().top - 800 ){
         $('.an_02_01, .an_02_02, .an_02_03, .an_02_04').css({'animation-play-state':'running'});  
            } 
    });

$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_03_all').offset().top - 800 ){
         $('.an_03_01, .an_03_02').css({'animation-play-state':'running'});  
            } 
    });


$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_04_all').offset().top - 800 ){
         $('.an_04_01, .an_04_02').css({'animation-play-state':'running'});  
            } 
    });

$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_05_all').offset().top - 800 ){
         $('.an_05_01, .an_05_02, .an_05_03').css({'animation-play-state':'running'});  
            } 
    });
$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_06_all').offset().top - 800 ){
         $('.an_06_01, .an_06_02, .an_06_03').css({'animation-play-state':'running'});  
            } 
    });
$(window).scroll(function(){
        if($(window).scrollTop() > $('.cn_07_all').offset().top - 800 ){
         $('.an_07_01, .an_07_02').css({'animation-play-state':'running'});  
            } 
    });