\begin{overpic}[width=0.49\textwidth]{ys_ok10vma_h_38_bse}
\put(1,74){\colorbox{white}{(\sublabel{ys_ok10vma_h_38_bse}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190306120816-667426}{ys_ok10vma_h_38_bse}}}
%%(\subref{ys_ok10vma_h_38_bse}) \href{ys_ok10vma_h_38_bse}
\color{red}
\put(50.0,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190304141436-907375}{spot of ys_cpx_ok10vma_h@38}} % 20190304141436-907375 % \vs(151.6, 4839.0)
%%scale 10 micro meter
\put(1,1){\line(1,0){10.0}}
\end{overpic}