removed heading banner

src/scss/_theme.scss

@@ -60,14 +60,3 @@ a:not([class]):visited {
     color: inherit;
   }
 }
-
-h1::after {
-  content: '';
-  background-color: var(--color-light-gray);
-  position: absolute;
-  width: 100%;
-  height: 8rem;
-  top: 13rem;
-  left: 0;
-  z-index: -1;
-}

src/scss/components/_intro.scss

@@ -25,10 +25,6 @@
     font-size: 2.5rem;
     display: inline-block;
 
-    &::after {
-      display: none;
-    }
-
     + svg {
       margin-left: auto;
       margin-right: 8rem;

src/scss/components/_member.scss

@@ -6,10 +6,6 @@
 
   h1 {
     font-size: 2rem;
-
-    &::after {
-      display: none;
-    }
   }
 
   .position {