Navigation system, client terminal device, control method, and storage medium

[Problem] To provide a navigation system, a client terminal device, a control method, and a storage medium so that a person can be guided to a place with a high degree of security on the basis of information about the person's feelings tied to places. [Solution] A navigation system provided with: an acquisition part for acquiring location information indicating a location of a client terminal device and information related to the feelings of a user of the client terminal device; a generation part for generating, on the basis of the location information and the information related to the user's feelings, a feeling map by generating a degree of security at each of the locations indicated by the location information; an estimation part for estimating a place with a high degree of security on the basis of the feeling map; a guidance generation part for generating a guidance for guiding the user of the client terminal device to the place with the high degree of security; and a presentation part for presenting the