Updated mobile layout

styles.css

@@ -27,7 +27,7 @@ html {
 
 body {
   margin: 0;
-  min-width: 20rem;
+  min-width: 0;
   overflow-x: hidden;
   background: var(--color-weathered-paper);
   color: var(--color-noel-black);
@@ -969,7 +969,8 @@ ul {
 
   .heading-display {
     margin-top: 3.25rem;
-    font-size: clamp(3.7rem, 16vw, 7.1rem);
+    /* Size complete lines against the space inside the page gutters. */
+    font-size: min(7.1rem, calc((100vw - 2 * var(--site-horizontal-padding)) * 0.145));
     line-height: 0.92;
   }
 
@@ -1133,10 +1134,12 @@ ul {
 
   .underline-reveal-link {
     font-size: 0.7rem;
+    min-height: 2.75rem;
+    display: inline-flex;
+    align-items: center;
   }
 
   .heading-display {
-    font-size: clamp(3.05rem, 15.25vw, 4.8rem);
     letter-spacing: 0.02em;
   }
 
@@ -1144,6 +1147,33 @@ ul {
     font-size: 0.83em;
   }
 
+  .grid-overlapping-trailing-image,
+  .grid-leading-image,
+  .grid-wide-inset-image,
+  .grid-tall-trailing-image,
+  .grid-small-inset-image {
+    margin-inline: auto;
+  }
+
+  .grid-leading-image {
+    /* Leave room above the frame throughout its parallax travel. */
+    margin-top: 3.5rem;
+  }
+
+  .arrow-link,
+  .link-stack a {
+    min-height: 2.75rem;
+    align-items: center;
+  }
+
+  .link-stack a {
+    display: inline-flex;
+  }
+
+  .target-notice {
+    overflow-wrap: anywhere;
+  }
+
   .heading-statement {
     font-size: clamp(2.15rem, 10.5vw, 3.3rem);
     letter-spacing: 0.025em;
@@ -1166,7 +1196,7 @@ ul {
   }
 
   .heading-large {
-    font-size: clamp(2.75rem, 13vw, 4.1rem);
+    font-size: min(4.1rem, 13vw);
     letter-spacing: 0.025em;
   }