beamerinnerthemeki.sty

\mode<presentation>

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

\setbeamertemplate{background canvas}{%
	\ifnum\c@framenumber=1%
	% On title page
	\color{ki}\rule{\paperwidth}{\paperheight}
	\else%
	% Other frames background
	\fi%
}

\newcommand{\sepframe}[1]{
	\begin{frame}
		\vspace{-0.035cm}
		\begin{beamercolorbox}[wd=\paperwidth,ht=\paperheight]{frametitle}%
			\begin{tikzpicture}[baseline=0pt]%
			\useasboundingbox[fill=ki](0,0) rectangle(\the\paperwidth,\the\paperheight);
			\node[font=\huge,white,text width=10cm,text badly centered] at (current page.center) {\expandafter{#1}};%
			\end{tikzpicture}
		\end{beamercolorbox}
	\end{frame}
}

% Title page

\defbeamertemplate*{title page}{ki}[1][]
{
	\vbox{}
	\vfill
	\begin{centering}
		\begin{beamercolorbox}[sep=8pt,center]{title}
			\usebeamerfont{title}\inserttitle\par%
			\vskip0.25em%
			{\usebeamercolor[fg]{titlegraphic}\includegraphics[width=5cm]{logo-ki.png}\par}
			\ifx\insertsubtitle\@empty%
			\else%
			\vskip0.25em%
			{\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
			\fi%
		\end{beamercolorbox}%
		\vskip1em\par
		\begin{beamercolorbox}[sep=8pt,center]{author}
			\usebeamerfont{author}\insertauthor
		\end{beamercolorbox}
		\begin{beamercolorbox}[sep=8pt,center]{institute}
			\usebeamerfont{institute}\insertinstitute
		\end{beamercolorbox}
		\begin{beamercolorbox}[sep=8pt,center]{date}
			\usebeamerfont{date}\insertdate
		\end{beamercolorbox}\vskip0.5em
	\end{centering}
	\vfill
}