How to close accordion on click in Archetype Themes Motion v8.0.2?

Store Design
1

Hello,

I’m using Archetype Themes Motion v8.0.2. I have found a code to add tabs to my product pages. I’ve added media queries to my theme.css to display the tabs as an accordion at certain breakpoints. I would like to add code to close the accordion on click. I’m okay with HTML/CSS, but don’t know any JS. I found the script online. Any help would be appreciated!

HTML markup from product page:


  
  - Heading 1

  
    

some content goes here

  

  - Heading 2

  
    

more content in this tab

  

  - Heading 3

  
    

some content is in list form:

    
      - product feature

      - product feature

      - product feature

relevant code from theme.css.liquid

.section-tab-head {
  background: #efefef;
  color: #333;
  display: block;
  padding: 10px 10px;
  cursor: pointer;
  margin: 2px;
}

@media only screen and (min-width: 481px) and (max-width: 768px),
  (min-width: 1051px) {
  .section-tab-head {
    background: none;
    display: inline-block;
    margin: inherit;
    margin-top: 0;
  }
}

.section-tab-head.current {
  background: #dbdbdb;
  color: #333;
}
.shopify-tab-content {
  display: none;
  background: none;
  padding: 15px;
  width: 100%;
}

.shopify-tab-content > p {
  font-size: 10pt;
  font-weight: 400;
}

.shopify-tab-content.current {
  display: block;
  font-size: 10pt;
  background: white;
  margin-top: 0px;
}

.shopify-tab-content > ul {
  list-style: disc;
}

.shopify-tab-content > ul ul {
  list-style: circle;
}

li,.shopify-tab-content {
  margin: 10px 0;
}

.shopify-tabs .shopify-tab-content {
  float: left;
}

script at the end of my main-product.liquid