いろんなフォントで「previous_question」変換
Zen Old Minchoprevious_question
Yusei Magicprevious_question
M PLUS 1previous_question
Shippori Antiqueprevious_question
Yuji Maiprevious_question
Dela Gothic Oneprevious_question
DotGothic16previous_question
Train Oneprevious_question
Hira Minchoprevious_question
Potta Oneprevious_question
Reggae Oneprevious_question
Stickprevious_question
Zen Kurenaidoprevious_question
Kosugi Maruprevious_question
Rampart Oneprevious_question
Hachi Maru Popprevious_question
New Tegominprevious_question
RocknRoll Oneprevious_question
Kaisei Decolprevious_question
「previous_question」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
