The bedrock mining enchant

I would like to add an enchant that could only be accessed by netherite pickaxe to mine bedrock in survival mode to be given an item called "a Bedrock Shard". It should be able to craft tools and weapons made of bedrock. For safety, I would like to add a layer under bedrock of a block that is unbreakable even in creative mode to be called "World Stone" and can never be obtained even by creative mode players. This may be a lot to ask but if you can make it happen, I would be deeply grateful. Thank you - Maanav Arun (Grade 3 Minecraft lover)