NAVIGATION SYSTEM, CLIENT TERMINAL DEVICE, CONTROL METHOD, AND STORAGE MEDIUM

[Object] To provide a navigation system, a client terminal device, a control method, and a storage medium capable of guiding people to a location with a high degree of security on the basis of information about feelings of people associated with the location. [Solution] The navigation system includes: an acquisition unit that acquires position information indicating a position of a client terminal device and information related to a feeling of a user of the client terminal device; a generation unit that generates a degree of security of the position indicated by the position information on a basis of the position information and the information related to the feeling of the user, to generate a feeling map; an estimation unit that estimates a location with a high degree of security on a basis of the feeling map; a guidance generation unit that generates guidance for guiding the user of the client terminal device to the location with the high degree of security; and a provision unit that provides the guidance to the user of the client terminal device.