Sankey Diagram
from
Mermaid記法のサンプル
https://gyazo.com/f7bb97616303c3022d36e2110b981575
code:mmd
sankey-beta
%% source,target,value
Electricity grid,Over generation / exports,104.453
Electricity grid,Heating and cooling - homes,113.726
Electricity grid,H2 conversion,27.14