いろんなフォントで「normal_curve」変換
Zen Old Minchonormal_curve
Yusei Magicnormal_curve
M PLUS 1normal_curve
Shippori Antiquenormal_curve
Yuji Mainormal_curve
Dela Gothic Onenormal_curve
DotGothic16normal_curve
Train Onenormal_curve
Hira Minchonormal_curve
Potta Onenormal_curve
Reggae Onenormal_curve
Sticknormal_curve
Zen Kurenaidonormal_curve
Kosugi Marunormal_curve
Rampart Onenormal_curve
Hachi Maru Popnormal_curve
New Tegominnormal_curve
RocknRoll Onenormal_curve
Kaisei Decolnormal_curve
「normal_curve」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
