いろんなフォントで「valence_electron」変換
Zen Old Minchovalence_electron
Yusei Magicvalence_electron
M PLUS 1valence_electron
Shippori Antiquevalence_electron
Yuji Maivalence_electron
Dela Gothic Onevalence_electron
DotGothic16valence_electron
Train Onevalence_electron
Hira Minchovalence_electron
Potta Onevalence_electron
Reggae Onevalence_electron
Stickvalence_electron
Zen Kurenaidovalence_electron
Kosugi Maruvalence_electron
Rampart Onevalence_electron
Hachi Maru Popvalence_electron
New Tegominvalence_electron
RocknRoll Onevalence_electron
Kaisei Decolvalence_electron
「valence_electron」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
