workのdurationがマイナス、ゼロのときの表記を修正
workのdurationがマイナス、ゼロのときの表記を修正

snakazawa/KanbanParPeople,snakazawa/KanbanParPeople,Kait-tt/KanbanParPeople,Kait-tt/KanbanParPeople,Kait-tt/KanbanParPeople,Kait-tt/KanbanParPeople,snakazawa/KanbanParPeople