LaTeX: New year post card of the year 2020

nyc2020.tex

\documentclass{article}
\usepackage[papersize={100mm,148mm},margin=0cm,
  noheadfoot]{geometry}
\usepackage{luatexja-fontspec}
\usepackage{amsmath,tikz,graphicx,xcolor,xparse,tikzducks}
\usetikzlibrary{calc}
\newfontface{\fNotoSC}{NotoSansCherokee-Bold.ttf}
\newfontface{\fNotoS}{NotoSans-ExtraBoldItalic.ttf}
\newfontface{\fAdv}{texgyreadventor-regular.otf}
\newfontface{\fNishiki}{Nishiki-teki.ttf}
\newjfontface{\jNishiki}{Nishiki-teki.ttf}
\newfontface{\fAoyagi}{AoyagiKouzanFontT.ttf}
\newjfontface{\jAoyagi}{AoyagiKouzanFontT.ttf}
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\begin{document}
%=================================================
\begin{xPar}\centering
  \fNotoSC\xSize{30}\color{myred}
  \raisebox{4pt}[18mm][0mm]{%
    \scalebox{0.75}[1]{ᎤᎵᎮᎵᏍᏗ ᎢᏤ ᎠᏕᏘᏱᏍᎬ}}
\end{xPar}
%=================================================
\vspace{6mm}
%=================================================
\begin{xPar}\centering
%
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}
%
\begin{tikzpicture}[x=1cm,y=1cm,
  scale=1.2963]
\fill[black,use as bounding box]
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%
%
\pgfmathsetmacro{\vR}{(sqrt(2)-1)/(sqrt(2))}
\fill[cA!90!cE]
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\fill[cF]
  (5,1)--(3,1)--(2,1.2)--(5,1.2)--cycle;
\node[above left, text=white, font={\fAdv\xSize{36}}]
  at (5,1.2) {2020};
%
%\node[transform shape] at (4.6,-.1)
%  {\includegraphics[width=8.8mm]{yato.png}};
\end{tikzpicture}
\end{xPar}
%=================================================
\vspace{1mm}
\begin{xPar}\centering
  \fAoyagi\jAoyagi\xSize[13]{12}%
  \ltjsetparameter{kanjiskip=-.14\zw,xkanjiskip=-.08\zw}
  皆様のご健康とご多幸を\\
  お祈り申し上げます
\end{xPar}
\vspace{3mm}
\begin{xPar}\centering\begin{minipage}{90mm}
  \begin{xPar}
    \fNishiki\jNishiki\xSize{16}\color{myred}
    New Year Puzzle%
    \hfill
    {\xSize{14}\color{myred}%
      2020}%
    {\xSize{9}\color{mygreen!75!black}%
      \,年（令和\,}%
    % digit '2'
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                               \ctB(3,4)
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    \ctB(0,0)\ctB(1,0)\ctB(2,0)\ctB(3,0)
    \end{tikzpicture}%
    %
    {\xSize{9}\color{mygreen!75!black}%
      \,年）}%
  \end{xPar}
  \begin{xPar}
    \fNishiki\jNishiki\xSize{12}\color{myblue!75!black}%
    ～年賀パズル～
  \end{xPar}
  \par\vspace{-3.5mm}
  \begin{minipage}[b]{40mm}
    \setlength\leftmargini{16pt}
    \setlength\leftmargin{16pt}
    \fSHSans\jSHSans\xSize{9}
    以下の条件に従って、乗算の虫食い算を解きなさい。
    \begin{itemize}
    \setlength{\itemsep}{0pt}
    \item \textcolor{myred}{■}には
      \textcolor{myred}{0}または\textcolor{myred}{2}が入る。
    \item \textcolor{mycgreen}{□}には
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      \draw[crline] (-7,48)--(97,48);
      \draw[crline] (-7,6)--(97,6);
      \draw[crline] (-2,56)--(2,52) (-2,52)--(2,56);
    \end{tikzpicture}}%
  \end{minipage}%
  \par\vspace{-1mm}
\end{minipage}\end{xPar}
\end{document}