I am not sure if the “App Linkage” (automatic sending of step count from the “Kenko Nikki” app) is set up correctly.

Launch the “Kenko Nikki”application and tap the gear button in the upper left corner.
If the “Application Linkage” item is displayed, “Application Linkage” has been established.

In addition, the “Counting Method” column on My Page will show “Currently linked to the application.