1 files changed, 24 insertions, 0 deletions
diff --git a/src/styles/custom.css b/src/styles/custom.css
index 1c5df46..ef3bbb7 100644
--- a/src/styles/custom.css
+++ b/src/styles/custom.css
@@ -197,6 +197,30 @@
   line-height: 1.5;
 }
 
+/* ── 技術的な補足（本文より一段小さい注記。ノートとは区別する） ── */
+.tech-note {
+  margin: 1.6rem 0;
+  padding: 0.9rem 1.1rem;
+  border-left: 3px solid var(--sl-color-gray-4, #bbb);
+  border-radius: 4px;
+  background: var(--sl-color-bg-sidebar, transparent);
+  font-size: 0.88em;
+  line-height: 1.75;
+  color: var(--sl-color-gray-2, inherit);
+}
+.tech-note > :first-child {
+  margin-top: 0;
+}
+.tech-note > :last-child {
+  margin-bottom: 0;
+}
+.tech-note .tech-note-title {
+  margin: 0 0 0.4rem;
+  font-size: 1em;
+  font-weight: 700;
+  color: var(--sl-color-text, inherit);
+}
+
 /* Tables inside bubbles */
 .bln table {
   display: table !important;