This article by travel and lifestyle magazine matcha gives a comprehensive overview of Japanese teas: Starting with Matcha and Sencha, a total of 9 varieties are presented here, including their production and flavor profile.

It was interesting learning about the varieties of tea. I hadn’t really thought about the differences between teas made from tea leaves and teas made without them.
The article provides not only furigana, but also both translations directly in the text and vocabulary aids after each paragraph. This system is helpful for understanding many of the more technical terms, but I also found it somewhat disruptive to my reading flow.
The entire article can be found here: https://matcha-jp.com/easy/898