いろんなフォントで「first_harmonic」変換
Zen Old Minchofirst_harmonic
Yusei Magicfirst_harmonic
M PLUS 1first_harmonic
Shippori Antiquefirst_harmonic
Yuji Maifirst_harmonic
Dela Gothic Onefirst_harmonic
DotGothic16first_harmonic
Train Onefirst_harmonic
Hira Minchofirst_harmonic
Potta Onefirst_harmonic
Reggae Onefirst_harmonic
Stickfirst_harmonic
Zen Kurenaidofirst_harmonic
Kosugi Marufirst_harmonic
Rampart Onefirst_harmonic
Hachi Maru Popfirst_harmonic
New Tegominfirst_harmonic
RocknRoll Onefirst_harmonic
Kaisei Decolfirst_harmonic
「first_harmonic」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
