いろんなフォントで「spot_welder」変換
Zen Old Minchospot_welder
Yusei Magicspot_welder
M PLUS 1spot_welder
Shippori Antiquespot_welder
Yuji Maispot_welder
Dela Gothic Onespot_welder
DotGothic16spot_welder
Train Onespot_welder
Hira Minchospot_welder
Potta Onespot_welder
Reggae Onespot_welder
Stickspot_welder
Zen Kurenaidospot_welder
Kosugi Maruspot_welder
Rampart Onespot_welder
Hachi Maru Popspot_welder
New Tegominspot_welder
RocknRoll Onespot_welder
Kaisei Decolspot_welder
「spot_welder」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
