1 files changed, 28 insertions, 0 deletions
diff --git a/src/styles/custom.css b/src/styles/custom.css
index 740e000..556f128 100644
--- a/src/styles/custom.css
+++ b/src/styles/custom.css
@@ -150,6 +150,34 @@
   background: var(--sl-color-gray-5);
 }
 
+/* ── 折りたたみ（アーカイブのリンク一覧など） ── */
+.sl-markdown-content details {
+  margin: 1rem 0;
+  border: 1px solid var(--sl-color-gray-5);
+  border-radius: 8px;
+  overflow: hidden;
+}
+.sl-markdown-content details > summary {
+  cursor: pointer;
+  padding: 0.7rem 1rem;
+  font-weight: 600;
+  background: var(--sl-color-accent-low);
+  color: var(--sl-color-accent-high);
+}
+.sl-markdown-content details[open] > summary {
+  border-bottom: 1px solid var(--sl-color-gray-5);
+}
+.sl-markdown-content details > table {
+  margin: 0;
+  border-radius: 0;
+  box-shadow: none;
+}
+.sl-markdown-content details > table th:nth-child(2),
+.sl-markdown-content details > table td:nth-child(2) {
+  white-space: nowrap;
+  width: 1%;
+}
+
 /* Tables inside bubbles */
 .bln table {
   display: table !important;