いろんなフォントで「second_base」変換
Zen Old Minchosecond_base
Yusei Magicsecond_base
M PLUS 1second_base
Shippori Antiquesecond_base
Yuji Maisecond_base
Dela Gothic Onesecond_base
DotGothic16second_base
Train Onesecond_base
Hira Minchosecond_base
Potta Onesecond_base
Reggae Onesecond_base
Sticksecond_base
Zen Kurenaidosecond_base
Kosugi Marusecond_base
Rampart Onesecond_base
Hachi Maru Popsecond_base
New Tegominsecond_base
RocknRoll Onesecond_base
Kaisei Decolsecond_base
「second_base」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
