I'm leaning towards the third, just like how the 10th Anniversary of Index looked like.

I'll try getting it done within the day, but I have yet to start converting my logo project from PSD to SVG for better clarity.

EDIT: Here's my initial submission for the 10th anniversary wordmark.


I went with the similar thought as mentioned before, but since kanji don't flow like Western letters, the "years" ended up on top of the numbers. The gold is derived from the Magic Side pentagram, while the blue is taken from the Science Side atom model.

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