いろんなフォントで「nerve_tract」変換
Zen Old Minchonerve_tract
Yusei Magicnerve_tract
M PLUS 1nerve_tract
Shippori Antiquenerve_tract
Yuji Mainerve_tract
Dela Gothic Onenerve_tract
DotGothic16nerve_tract
Train Onenerve_tract
Hira Minchonerve_tract
Potta Onenerve_tract
Reggae Onenerve_tract
Sticknerve_tract
Zen Kurenaidonerve_tract
Kosugi Marunerve_tract
Rampart Onenerve_tract
Hachi Maru Popnerve_tract
New Tegominnerve_tract
RocknRoll Onenerve_tract
Kaisei Decolnerve_tract
「nerve_tract」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
