手順

1. Nostalgia Shader [1.16.5]

2. Nostalgia Shader [1.17.1]

3. Nostalgia Shader [1.18.1]

リンク

• Nostalgia Shader - RRe36's Projects
  https://rre36.com/nostalgia-shader

• Nostalgia Shader - Customization - Minecraft - CurseForge
  https://www.curseforge.com/minecraft/customization/nostalgia-shader