| 摘要 |
A server includes a request receiving unit that receives request information from a terminal, a request processing unit that generates next screen information for displaying a next screen on the terminal in accordance with the received request information, a next screen transmitting unit that transmits the generated next screen information to the terminal, a judgment unit that judges whether the next screen information has been transmitted to the terminal, a presentation screen generation unit that, when it is judged that the next screen information has not been transmitted to the terminal, determines reward conditions regarding a predetermined reward based on a screen transition status in the terminal, and generates lottery presentation screen information for displaying a lottery presentation screen on the terminal based on the reward conditions, and a presentation screen transmitting unit that transmits the generated lottery presentation screen information to the terminal.
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