diff --git a/docs/releases/unreleased.md b/docs/releases/unreleased.md
index 1394e07b..2f7ffd2b 100644
--- a/docs/releases/unreleased.md
+++ b/docs/releases/unreleased.md
@@ -29,3 +29,5 @@ Example:
 - Reduced long-running performance risk from calendar sync token persistence by avoiding full runtime settings side-effects during background sync writes
 - Prevented duplicate auto-stop time tracking listeners from accumulating when settings are reloaded or changed
 - Fixed a settings Integrations listener lifecycle issue that could accumulate calendar update callbacks while the settings UI is repeatedly opened/re-rendered
+- (#1630) Fixed TaskNote inline task cards ignoring centered "Readable line length" layout in Minimal theme by constraining and centering the widget in readable mode
+  - Thanks to @martin-forge for reporting
diff --git a/styles/task-card-note-widget.css b/styles/task-card-note-widget.css
index 13dc30fe..dd2cb21b 100644
--- a/styles/task-card-note-widget.css
+++ b/styles/task-card-note-widget.css
@@ -2,13 +2,22 @@
 
 .task-card-note-widget {
     display: block;
+    box-sizing: border-box;
     border-radius: var(--radius-s);
     border: 1px solid var(--background-modifier-border);
-    margin: var(--cs-spacing-md) 0;
+    margin-block: var(--cs-spacing-md);
+    margin-inline: 0;
     padding: var(--cs-spacing-sm);
 }
 
+/* Keep widget aligned with the centered readable column when enabled */
+.is-readable-line-width .task-card-note-widget {
+    width: min(100%, var(--file-line-width, 100%));
+    max-width: var(--file-line-width, 100%);
+    margin-inline: auto;
+}
+
 .task-card-note-widget__card {
     /* Reset margins for the inner task card */
     margin: 0 !important;
-}
\ No newline at end of file
+}