日本史年号グリッド

### Overview
* This is a game designed to help you memorize Japanese historical years.
* It features a straightforward rule: select the grid square that matches the year of the given historical event.
* You'll enjoy a sense of progress as you naturally memorize historical years simply by playing.
* Since the correct grid position for the initial question is shown at the beginning of the game, it's particularly recommended for those who find memorizing dates challenging.

### Rules
* Each square corresponds to one year.
* The screen displays a grid of 100 squares, representing a span of 100 years.
* Historical events from Japanese history are presented randomly.
* The goal is to select the grid square that matches the year of these events.
* The game starts at Level 1, where only two events are presented. As you progress to higher levels, the number of events increases.

### Notes
* Please feel free to introduce this game in your own video clips and other media. Please include the name of the game and the URL to the page.
* Voice License: VOICEVOX 四国めたん