diff --git a/web/lanes.css b/web/lanes.css
index f670c62c..15b72ba4 100644
--- a/web/lanes.css
+++ b/web/lanes.css
@@ -23,6 +23,8 @@ a { color: inherit; }
   grid-template-columns: var(--label) 1fr var(--read);
   gap: 14px;
   padding: 14px;
+  /* A plate's tape stops at the screen's edge, so the page never pans. */
+  overflow-x: clip;
 }
 .lead { grid-column: 1 / 3; display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; min-height: 88px; }
 .lead-em { font-size: 28px; flex: none; }
@@ -31,7 +33,8 @@ a { color: inherit; }
 .lead-text { margin: 0; font-size: 18px; line-height: 1.45; max-width: 70ch; overflow-wrap: anywhere; color: var(--ink); }
 .lead-text.quiet { color: var(--ink-faint); }
 .lead-by { margin: 8px 0 0; color: var(--ink-dim); display: flex; flex-wrap: wrap; align-items: center; gap: 0 7px; }
-.lead-by b { color: var(--ink); font-weight: 600; }
+/* A long handle is cut to the line (plate.css `.mention`), not run past it. */
+.lead-by b { min-width: 0; color: var(--ink); font-weight: 600; }
 .readings { display: flex; flex-direction: column; gap: 12px; padding: 14px; }
 /* The readings are the graph's sticky note, stuck on a little crooked. */
 .readings.plate { background: url(grain.png), var(--sticky); transform: rotate(-0.8deg); }
@@ -181,7 +184,8 @@ footer.legend { position: fixed; left: 14px; bottom: 12px; z-index: 3; max-width
 footer.legend svg { flex: none; }
 
 @media (max-width: 1100px) {
-  .head { grid-template-columns: 1fr; }
+  /* The column is the screen's width, never the readings' widest row. */
+  .head { grid-template-columns: minmax(0, 1fr); }
   .lead { grid-column: auto; }
   /* As on the graph, the strip gives way to the readings on a narrow screen. */
   .activity { display: none; }
@@ -191,8 +195,7 @@ footer.legend svg { flex: none; }
 /* A phone: the readings under the lead, every lane one column with its
    trace above what it said, and the legend at the foot of the page. */
 @media (max-width: 720px) {
-  /* A plate's tape stops at the screen's edge, so the page never pans. */
-  .head { padding: 8px; gap: 8px; overflow-x: clip; }
+  .head { padding: 8px; gap: 8px; }
   .lead { padding: 12px; gap: 10px; min-height: 0; }
   .lead-em { font-size: 22px; }
   .lead-text { font-size: 14px; }