On main: pre-Stage3 IMP-09 B-4 — out-of-scope pre-existing modifications (preserve for later)

templates/phase_z2/families/three_parallel_requirements.html

@@ -34,6 +34,9 @@ slots: title, pillars[].{label, color_class, sections[].{heading, bullets[]}}
     gap: 4px;
     font-family: 'Noto Sans KR', 'Pretendard', sans-serif;
     word-break: keep-all;
+    /* zone aspect 기반 내부 회전 (사용자 lock 2026-05-15) */
+    container-type: size;
+    container-name: f13b-root;
   }
   .f13b__title {
     font-size: var(--font-zone-title);
@@ -47,10 +50,22 @@ slots: title, pillars[].{label, color_class, sections[].{heading, bullets[]}}
   .f13b__cols {
     display: grid;
     grid-template-columns: 1fr 1fr 1fr;
+    grid-template-rows: auto;
     gap: 8px;
     flex: 1;
     min-height: 0;
   }
+  /* zone aspect < 1.5 → 3 pillars vertical stack.
+     auto rows + align-content: start = 콘텐츠 height 만큼, 위쪽 정렬 (사용자 lock
+     2026-05-15 : 03-2 와 좌/우 visual balance 위해 콘텐츠 위로 올림). */
+  @container f13b-root (aspect-ratio < 1.5) {
+    .f13b__cols {
+      grid-template-columns: 1fr;
+      grid-template-rows: auto auto auto;
+      grid-auto-flow: row;
+      align-content: start;
+    }
+  }
   .f13b__col {
     display: flex;
     border-top: 2px solid #000;          /* PROMOTED line 57 */