Canvas, 92 87 86 83 81 bytes

ｌ╷？/ω┤|＊\∔∔］<｝ ＋：↔；┘＋×Ｌ┤_×α-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

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Takes input surrounded by ```.

Canvas, 92 87 86 83 81 80 bytes

ｌ╷？/ω┤|＊\∔∔］<｝ ＋↔ω┘＋×Ｌ┤_×α-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

Try it here!

Takes input surrounded by ```.

Canvas, 92 87 86 83 bytes

ｌ：╷？┤|＊\∔/；∔］┐<｝ ＋：↔；┘＋×Ｌ┤_×α-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

Try it here!

Takes input surrounded by ```.

Canvas, 92 87 86 83 81 bytes

ｌ╷？/ω┤|＊\∔∔］<｝ ＋：↔；┘＋×Ｌ┤_×α-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

Try it here!

Takes input surrounded by ```.

Canvas, 92 87 86 bytes

ｌ：╷？┤|＊\∔/；∔］┐<｝：↔；┘ ×＋ ＋×Ｌ┤：_×；-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

Try it here!

Takes input surrounded by ```.

Haven't tried to golf this very much, it's probably possible to shave a good few bytes off of this.

Canvas, 92 87 86 83 bytes

ｌ：╷？┤|＊\∔/；∔］┐<｝ ＋：↔；┘＋×Ｌ┤_×α-×└∔∔ｒ ７ד;ｙB¾‾≡＊ｈsＮMｎJS=ｆ≤）ｇ＜◂ＡX↓ＺxＬh？╷r┌╴\⁵n╪.cE＾‟＋∔

Try it here!

Takes input surrounded by ```.