いろんなフォントで「string+quartette」変換
Zen Old Minchostring+quartette
Yusei Magicstring+quartette
M PLUS 1string+quartette
Shippori Antiquestring+quartette
Yuji Maistring+quartette
Dela Gothic Onestring+quartette
DotGothic16string+quartette
Train Onestring+quartette
Hira Minchostring+quartette
Potta Onestring+quartette
Reggae Onestring+quartette
Stickstring+quartette
Zen Kurenaidostring+quartette
Kosugi Marustring+quartette
Rampart Onestring+quartette
Hachi Maru Popstring+quartette
New Tegominstring+quartette
RocknRoll Onestring+quartette
Kaisei Decolstring+quartette
「string+quartette」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
