At our company, we utilize the knowledge of Shopify-specific consultations over five years to provide courses at online learning site Udemy.
and the second one is, Getting Started with Shopify Original Theme Design We have released “Available.

It is an introductory course that systematically explains ideas and skills useful for practical use to web designers who are working on Shopify’s theme design for the first time.

The following contents are explained in the course.

• An Overview of EC Site Design
  • The Benefits of Designing EC Sites at Shopify
  • What Shopify Site Design Should Look Like
• Configuration and Design Elements of Shopify Themes
  • Shopify Theme
  • overall theme composition
  • Details on each element of the theme, elements to be put in an app (detailed description of each page)
• Precautions for giving data to engineers
  • Component list, information to tell
• to grow the site after it's released.
  • Heat Map Analysis, A/B Testing

In order to balance the important “functionality” and “brand world view” on our e-commerce site, we provide specific information based on the knowledge cultivated in the field such as configuration design, UI, presentation of content, and design points with an eye toward implementation.

You can check out the YouTube version here.
Please check it out.
The main part of Udemy here