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//リサイズ時
		var timer = false;
		var mh = $('#headerIn').height();
		var sec = ".sp_index #contents_menu01,.sp_index #contents_menu02,.sp_index #contents_menu03,.sp_index #contents_menu04";
		console.log(sec);
		$('body').css({"padding-top":mh});
		$(sec).css({"padding-top":mh + 40,"margin-top":-mh-15});
		$(window).resize(function() {
			if (timer !== false) {
				clearTimeout(timer);
			}
			timer = setTimeout(function() {
				mh = 0
				mh = $('#headerIn').height();
				$('body').css({"padding-top":mh});
				$(sec).css({"padding-top":mh + 40,"margin-top":-mh-15});
			}, 0);
});

[jQuery] ウインドウのリサイズ操作が終わった時にだけ処理を実行する
http://kadoppe.com/archives/2012/02/jquery-window-resize-event.html