This is the 7899th most frequent Japanese word.
在宅
"At home" or "being at home."
Here, 在宅 (zaitaku) is used in the phrase '在宅勤務' which means 'remote work', indicating working from a home setting instead of an office.
在宅勤務をしています。
I am working remotely from home.
In this sentence, 在宅 (zaitaku) is used to describe the time spent at home, referring to one's presence at their home.
最近、在宅時間が増えています。
Recently, time spent at home has been increasing.
Here, 在宅 (zaitaku) describes the caregiving activities done at home, as in '在宅介護' which means 'home care', emphasizing the location of the activity being one's residence.