.ui-datepicker {
  font-size: 120%;
  z-index: 1000 !important;  // 最前面に表示する
}

/* 日数字文字色 */
.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default {
  color: #0000cd;
}

/* 外枠 */
.ui-widget-content {
  border: 1px solid #191970;
}

.ui-widget-header {
  border: 1px solid #000080;
  background: #191970;
  color: #ffffff;
  font-weight: bold;
}

.ui-datepicker td span, .ui-datepicker td a {
  text-align: center;
}
 
.date-sunday .ui-state-default {
  background-image: none;
  background-color: #ffc0cb;
}

.date-saturday .ui-state-default {
  background-image: none;
  background-color: #87cefa;
}

.date-holiday0 .ui-state-default {
  background-image: none;
  background-color: #ffc0cb;
}

.date-holiday1 .ui-state-default {
  background-image: none;
  background-color: #cccccc;
}

.ui-datepicker-calendar th {
  color: #000000;
  background-color: #fff;
}

.ui-widget-content {
  background: transparent;
  background-color: #fff;
}