;/*****************************************************************
 * カスタム関数 ENO
 *******************************************************************/
function checkDate(field, rules, i, options){
	var holiday = ["2025-11-04","2025-11-10","2025-11-11","2025-11-17","2025-11-25","2025-11-26","2025-12-01","2025-12-08","2025-12-09","2025-12-15","2025-12-16","2025-12-29","2026-01-05","2026-01-06","2026-01-13","2026-01-14","2026-01-19","2026-01-26","2026-01-27"];
	var fieldDate = field.val();
	var xmasStart = "2025-12-23";
	var xmasEnd = "2025-12-25";
	if (holiday.includes(fieldDate)) {
		 return "定休日のため、ケーキの予約はできません。";
	}
	if ((fieldDate >= xmasStart) && (fieldDate <= xmasEnd)) {
		 return "クリスマス期間中のため、通常のケーキは予約できません。";
	}
}