\mode<presentation>

%
%
% Frames backgrounds
%
%

\setbeamertemplate{background}{
  \begin{tikzpicture}
  \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
  \fill[color=main2] (0,2) rectangle (\the\paperwidth,\the\paperheight);
  \fill[color=main1] (0,0) rectangle(2.95,1.9);
  \fill[color=main0] (3.05,0) rectangle(\the\paperwidth,1.9);
  \ifnum\thepage>1\relax%
   \fill[white,opacity=1] (0,0) rectangle(\the\paperwidth,\the\paperheight);
   \fi
  \end{tikzpicture}
}



%
%
% Title page frame
%
%

\defbeamertemplate*{title page}{Akatsuki}[1][]
{ 
	\vbox to 0pt{
  \vskip1cm%
  \begin{beamercolorbox}[wd=12cm,center,sep=8pt,#1]{title page header}
  		\usebeamerfont{title}\inserttitle\par%
  \end{beamercolorbox}%
  }
  
  \vbox to 0pt{
  \vskip5.1cm%
  \begin{beamercolorbox}[wd=12cm,leftskip=3cm,sep=8pt,#1]{subtitle page header}
  		{\small \insertsubtitle}\par%
  \end{beamercolorbox}%
  }

	\vbox to 0pt {
	\vskip4.9cm%
  \begin{beamercolorbox}[wd=12cm,leftskip=0cm,#1]{author}  	
    \usebeamerfont{author}\insertauthor%
  \end{beamercolorbox}
  }

	\vbox to 0pt{
	\vskip5.15cm%
  \begin{beamercolorbox}[wd=12cm,leftskip=0cm,#1]{date}
    	\usebeamerfont{author}\insertdate%
  \end{beamercolorbox}
  }
  \vfill
}



%
%
% Item symbol in frames
%
%

% All frames
% \setbeamertemplate{enumerate item}[default]
% \setbeamertemplate{enumerate subitem}[ball]

% in ToC
\setbeamertemplate{subsection in toc}[subsections numbered arabic]