いろんなフォントで「radial_velocity」変換
Zen Old Minchoradial_velocity
Yusei Magicradial_velocity
M PLUS 1radial_velocity
Shippori Antiqueradial_velocity
Yuji Mairadial_velocity
Dela Gothic Oneradial_velocity
DotGothic16radial_velocity
Train Oneradial_velocity
Hira Minchoradial_velocity
Potta Oneradial_velocity
Reggae Oneradial_velocity
Stickradial_velocity
Zen Kurenaidoradial_velocity
Kosugi Maruradial_velocity
Rampart Oneradial_velocity
Hachi Maru Popradial_velocity
New Tegominradial_velocity
RocknRoll Oneradial_velocity
Kaisei Decolradial_velocity
「radial_velocity」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
