wcol = "#f5deb3";
s1col = parseInt(wcol.substr(1,2),16);
s2col = parseInt(wcol.substr(3,2),16);
s3col = parseInt(wcol.substr(5,2),16);
for(i=5;i > 0; i--){
so1col = s1col - i*10;
so2col = s2col - i*10;
so3col = s3col - i*10;
wkcolor = "rgb(" + so1col + "," + so2col + "," + so3col + ")";
sax = 5 - i; say = 0;
ctx.beginPath();
ctx.lineWidth = 1*mgf;
ctx.moveTo(sx*mgf+dfsx+sax,sy*mgf+dfsy+say);
ctx.lineTo(x1*mgf+dfsx+sax,y1*mgf+dfsy-say);
//全て座標を指定(腕下・影)
ctx.strokeStyle = wkcolor;
ctx.stroke();
}