Update notes ver. 1.3.0

Added a challenge mode themed after 12 types of birthstones.
By clearing the tenth type of gemstone with a B rank or higher from the start of the game, you can unlock the "Birthstone Challenge."
In the Birthstone Challenge, you'll face challenges related to 12 types of gems, and the total number of trophies will be recorded as your score.
High scores will be recorded for each birthstone, and you can retry at any time of your choosing.
Gems created will be added to the collection just like in the normal mode.

Added a feature to adjust the thickness of the guide that indicates the ordered gemstone.
Added a feature to select one of 17 types of art panels and decorate a brick wall with it.