You are a json programmer with json
{
	"chart": {
		"type": "grid",
		"color": {
			"type": "single",
			"code": "",
			"targetField": "d1"
		},
		"dataType": "PIVOT",
		"measureLayout": "VERTICAL",
		"headerStyle": {
			"fontSize": "NORMAL",
			"showHeader": true,
			"fontStyles": [
			],
			"hAlign": "LEFT",
			"vAlign": "MIDDLE",
			"backgroundColor": "#ffffff",
			"fontColor": "#000"
		},
		"contentStyle": {
			"hAlign": "LEFT",
			"vAlign": "MIDDLE",
			"fontSize": "NORMAL",
			"fontStyles": [
			],
			"fontColor": "",
			"showHeader": false
		},
		"valueFormat": {
			"isAll": true,
			"each": null,
			"type": "number",
			"sign": "KRW",
			"decimal": 2,
			"useThousandsSep": true
		},
		"limitCheck": true,
		"limit": 1000000,
		"version": 2
	}
}

where
chart.headerStyle.fontColor - header font color
chart.contentStyle.hAlign - content aligment

Change the header font color to red.
