chore(README.md): resize font size

docs/README.ja-JP.md

@@ -31,7 +31,7 @@
   <a href="https://qun.qq.com/universal-share/share?ac=1&authKey=9g00d%2BZS7nORzcJugNNddJ7rCghZTIR7fhXabGwch2S%2BG%2BKGIKwlN1N2nIqkh2jg&busi_data=eyJncm91cENvZGUiOiIxMDU4MTU2Njk3IiwidG9rZW4iOiJmcnkra1hWNFIxNytEcG0zcHRUdVJIaldlRDFxN0dzK080QWtvTEdOQjJkNEY2eUFta1g1clNpbkxSMS9FQWFYIiwidWluIjoiMTI2MDkwNzMzNSJ9&data=b1eJrwn3GVOUh7YIxZ7l9vHQo99HPmRxKPpMKlDCmfzx8Y57IXb2EZCMaOC9rVTd2U558qpNjwUYUWlPHxVHvg&svctype=4&tempid=h5_group_info"><img src="https://img.shields.io/badge/QQ-%2312B7F5?logo=qq&labelColor=FFFFFF"></a>
 </p>
 
-<p float="left">
+<p float="left" align="center">
   <!-- readme-section:release-binary-windows -->
   <a href="https://github.com/moeru-ai/airi/releases/download/v0.9.0-alpha.6/AIRI-0.9.0-alpha.6-windows-x64-setup.exe">
     <picture>
@@ -79,6 +79,8 @@
       <img width="19.5%" src="./docs/content/public/assets/download-buttons/download-buttons.linux.light.en-US.avif" />
     </picture>
   </a>
+</p>
+<p float="left" align="center">
   <a href="https://airi.moeru.ai">
     <picture>
       <source