var windw = 0;
var windh = 0;
var isWindPC = true;
var isWindSP = false;
var scrollY = 0;
var breakpoint = 767;

$(function() {
    /**
     * 画面の幅と高さを取得とブレイクポイントの設定
     */
    $(window).on('resize',function() {
        windw = window.innerWidth ? window.innerWidth : $(window).width();
        windh = window.innerHeight ? window.innerHeight : $(window).height();
        isWindPC = windw > breakpoint ? true : false;
        isWindSP = windw <= breakpoint ? true : false;        
    }).trigger('resize');
    
    /**
     * スクロール量を取得
     */
    $(window).on('resize scroll', function() {
        scrollY = $(this).scrollTop();
    });
});