\section{はじめに}

Start Writing!

Use lualatex + biber to compile.

Test Bib\cite{example}

いろはにほへと ちりぬるを

{\gtfamily \sffamily \LaTeX で自由な組版を。}

{\gtfamily \sffamily  Write freely with \LaTeX{}.}

{\ttfamily LaTeX shall be free forever!}

\noindent
この行のテキストは四十二字です。ああああああああああああああああああああああああああいいいい

\defaultlistingstyle

\begin{lstlisting}[language=C, caption=Basic Hello World]
#include <stdlib.h>

int square(int n) {
    return n*n;
}

int main(int argc, char** argv) {
    char* msg = "Hello World";
    int x = 3;
    int y = square(x);
    printf("%s\n", msg);
    printf("f(x) = x^2; x: %d, y: %d\n", x, y);
    return 0;
}
\end{lstlisting}
    
\begin{displaymath}
    \int_{a}^{b} f(x) \,dx = F(b)-F(a)
\end{displaymath}
    
\begin{itemize}
    \item C
    \item Python
    \item Javascript
    \item Rust
    \item Haskell
\end{itemize}

\begin{enumerate}
    \item lualatex <filename>.tex
    \item biber <filename>
    \item lualatex <filename>.tex
    \item lualatex <filename>.tex
\end{enumerate}

\newpage

\section{Section}

section

\subsection{Sub Section}

sub section

\paragraph{Paragraph}

paragraph
