いろんなフォントで「observation_station」変換
Zen Old Minchoobservation_station
Yusei Magicobservation_station
M PLUS 1observation_station
Shippori Antiqueobservation_station
Yuji Maiobservation_station
Dela Gothic Oneobservation_station
DotGothic16observation_station
Train Oneobservation_station
Hira Minchoobservation_station
Potta Oneobservation_station
Reggae Oneobservation_station
Stickobservation_station
Zen Kurenaidoobservation_station
Kosugi Maruobservation_station
Rampart Oneobservation_station
Hachi Maru Popobservation_station
New Tegominobservation_station
RocknRoll Oneobservation_station
Kaisei Decolobservation_station
「observation_station」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
