diff --git a/apps/desktop/src/renderer/features/todo-agent/TodoManager/SchedulesSection/components/ScheduleEditorDialog/ScheduleEditorDialog.tsx b/apps/desktop/src/renderer/features/todo-agent/TodoManager/SchedulesSection/components/ScheduleEditorDialog/ScheduleEditorDialog.tsx
index fbd6fcb72dd..b6e59ea7d32 100644
--- a/apps/desktop/src/renderer/features/todo-agent/TodoManager/SchedulesSection/components/ScheduleEditorDialog/ScheduleEditorDialog.tsx
+++ b/apps/desktop/src/renderer/features/todo-agent/TodoManager/SchedulesSection/components/ScheduleEditorDialog/ScheduleEditorDialog.tsx
@@ -218,7 +218,7 @@ export function ScheduleEditorDialog({
 
 	return (
 		<Dialog open={open} onOpenChange={onOpenChange}>
-			<DialogContent className="max-w-2xl max-h-[90vh] overflow-y-auto">
+			<DialogContent className="max-w-5xl w-[92vw] max-h-[90vh] overflow-y-auto">
 				<DialogHeader>
 					<DialogTitle>
 						{initial ? "スケジュールを編集" : "新しいスケジュール"}