$(function(){
    $(window).scroll(function () { 
        var scrollValue = $(document).scrollTop(); 
        console.log(scrollValue); 
    });
    let scroll = '';
    $(window).on('scroll' , function(){
      scroll = $(window).scrollTop();
      if(scroll > 100){
        $('section.intro-wrap').addClass('active');
      }else{
        $('section.intro-wrap').removeClass('active');
      }
      if(scroll > 800){
        $('.punc-wrap').addClass('active');
        $('.prod-wrap').addClass('active');
      }else{
        $('.punc-wrap').removeClass('active');
        $('.prod-wrap').removeClass('active');
      }
      if(scroll > 1400){
        $('section.contact').addClass('active');
      }else{
        $('section.contact').removeClass('active');
      }
      if(scroll > 1800){
        $('section.noti').addClass('active');
      }else{
        $('section.noti').removeClass('active');
      }
      if(scroll > 2000){
        $('table.board_output.gallerybbs.gallery-cont01').addClass('active');
      }else{
        $('table.board_output.gallerybbs.gallery-cont01').removeClass('active');
      }
    });
  });