いろんなフォントで「straight_face」変換
Zen Old Minchostraight_face
Yusei Magicstraight_face
M PLUS 1straight_face
Shippori Antiquestraight_face
Yuji Maistraight_face
Dela Gothic Onestraight_face
DotGothic16straight_face
Train Onestraight_face
Hira Minchostraight_face
Potta Onestraight_face
Reggae Onestraight_face
Stickstraight_face
Zen Kurenaidostraight_face
Kosugi Marustraight_face
Rampart Onestraight_face
Hachi Maru Popstraight_face
New Tegominstraight_face
RocknRoll Onestraight_face
Kaisei Decolstraight_face
「straight_face」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
