A matching
system (1) for matching business cases is provided with: a
user device (500) operated by a user; and a computing device (100) configured to access a
database in which business cases are registered and to publish the business cases to users, the
user device (500) including a first
user device operated by a first user belonging to a first group and a second user device operated by a second user, the computing device (100) sets the publication range of the
business case provided by the second user on the basis of publication information indicating the publication range of the
business case, and the first user device transmits, to the computing device (100), restriction information that restricts the publication of the
business case to the first group on the basis of an operation by the first user, and transmits, to the computing device (100), restriction information that restricts the publication of the business case to the second group. The computing device (100) restricts the disclosure of the business case provided by the second user to the first group in accordance with the restriction information regardless of the disclosure range set on the basis of the disclosure information.