Entering a store or restaurant (usually said as 入店する), typically referring to a customer going into a shop.
満席だったが、並んで入店した。
It was full, but we queued and entered the restaurant.
店内は静かで、入店しただけで落ち着いた。
The shop was quiet; just entering calmed me down.
入店の際はマスク着用をお願いします。
Please wear a mask when entering the store.
Becoming an employee at a store; starting to work at a shop (usually expressed as 入店する).
来月からこのレストランに入店することになりました。
I've been hired and will start working at this restaurant from next month.
アルバイトとして入店して、接客を学んだ。
I joined the shop as a part-timer and learned customer service.
A shop opening or taking a space in a department store or commercial facility (i.e., a store being established/entering a mall).
今季、海外のブランドが本館に入店する予定だ。
This season, a foreign brand is scheduled to open a shop in the main building.
大手スーパーの入店によって、通行人の数が増えた。
The opening of a major supermarket increased foot traffic.