Make button disappear and handle context menu states

components/Button/index.scss

@@ -8,6 +8,7 @@
   font-size: $font-button;
   font-weight: $normal;
   gap: 6px;
+  transition: 0.18s opacity ease-in-out;
 
   &:hover,
   &.Blended:hover,

components/CharacterUnit/index.scss

@@ -23,6 +23,17 @@
     display: flex;
   }
 
+  .Button {
+    pointer-events: none;
+    opacity: 0;
+  }
+
+  &:hover .Button,
+  .Button.Clicked {
+    pointer-events: initial;
+    opacity: 1;
+  }
+
   h3,
   ul {
     display: none;