diff --git a/resources/views/rd/planning-design/index.blade.php b/resources/views/rd/planning-design/index.blade.php
index 81d7d037..04bf04d6 100644
--- a/resources/views/rd/planning-design/index.blade.php
+++ b/resources/views/rd/planning-design/index.blade.php
@@ -598,9 +598,14 @@
 }
 .sb-wireframe-content:focus { border-color: var(--pc-indigo); }
 .sb-wireframe-img { max-width: 100%; border-radius: 8px; }
+.sb-desc-resizer {
+    height: 5px; flex-shrink: 0; cursor: row-resize; background: #1e293b;
+    transition: background .15s;
+}
+.sb-desc-resizer:hover, .sb-desc-resizer.active { background: #818cf8; }
 .sb-desc-panel {
-    border-top: 2px solid #1e293b; padding: 12px 16px; background: #fafbfc;
-    max-height: 260px; overflow-y: auto;
+    padding: 12px 16px; background: #fafbfc;
+    overflow-y: auto; flex-shrink: 0;
 }
 .sb-desc-title {
     font-size: 10px; font-weight: 700; color: #1e293b; margin-bottom: 8px;
@@ -633,6 +638,14 @@
     align-items: center; justify-content: center; flex-shrink: 0;
 }
 .sb-desc-remove:hover { color: #ef4444; background: #fef2f2; }
+.sb-desc-num { cursor: grab; }
+.sb-desc-num:active { cursor: grabbing; }
+/* Marker (description number badge on canvas) */
+.sb-blk-marker {
+    width: 28px; height: 28px; border-radius: 50%; background: #1e293b; color: #fff;
+    font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center;
+    user-select: none; cursor: move;
+}
 
 /* Block Editor (Wireframe) */
 .sb-block-toolbar {
@@ -1366,6 +1379,16 @@
                 <button class="sb-block-toolbar-btn" @click="sbAddBlock('image')">🖼 이미지</button>
                 <button class="sb-block-toolbar-btn" @click="sbAddBlock('divider')">― 구분선</button>
                 <div class="sb-block-toolbar-sep"></div>
+                {{-- Description Marker --}}
+                <div style="display:flex; align-items:center; gap:3px;">
+                    <input type="text" x-model="sbMarkerNum" placeholder="01" maxlength="3"
+                           style="width:32px; padding:3px 4px; border:1px solid #e2e8f0; border-radius:5px; font-size:10px; text-align:center; font-weight:700;">
+                    <button class="sb-block-toolbar-btn" @click="sbAddMarkerBlock()" title="번호 뱃지를 캔버스에 추가">
+                        <span style="display:inline-flex;width:16px;height:16px;border-radius:50%;background:#1e293b;color:#fff;font-size:8px;font-weight:700;align-items:center;justify-content:center;" x-text="sbMarkerNum || '01'"></span>
+                        번호
+                    </button>
+                </div>
+                <div class="sb-block-toolbar-sep"></div>
                 {{-- Template Dropdown --}}
                 <div class="sb-tpl-dropdown" @click.outside="sbTplOpen = false">
                     <button class="sb-tpl-trigger" x-ref="sbTplBtn" @click="sbToggleTplPanel()">📋 템플릿 <span style="font-size:8px;">▾</span></button>
@@ -1498,8 +1521,8 @@
                             </div>
 
                             <div class="sb-page-body"
-                                 @mousemove.window="if(_sbMenuResize){ sbMenuWidth = Math.max(80, Math.min(400, _sbMenuResize.startW + $event.clientX - _sbMenuResize.startX)); }"
-                                 @mouseup.window="if(_sbMenuResize){ _sbMenuResize = null; document.querySelector('.sb-menu-resizer.active')?.classList.remove('active'); }">
+                                 @mousemove.window="if(_sbMenuResize){ sbMenuWidth = Math.max(80, Math.min(400, _sbMenuResize.startW + $event.clientX - _sbMenuResize.startX)); } if(_sbDescResize){ sbDescHeight = Math.max(60, Math.min(500, _sbDescResize.startH - ($event.clientY - _sbDescResize.startY))); }"
+                                 @mouseup.window="if(_sbMenuResize){ _sbMenuResize = null; document.querySelector('.sb-menu-resizer.active')?.classList.remove('active'); } if(_sbDescResize){ _sbDescResize = null; document.querySelector('.sb-desc-resizer.active')?.classList.remove('active'); }">
                                 {{-- Left Menu --}}
                                 <div class="sb-menu-panel" :style="'width:' + sbMenuWidth + 'px'">
                                     <div class="sb-menu-logo" x-text="sb.docInfo.projectName || 'LOGO'"></div>
@@ -1531,7 +1554,9 @@
                                          @mousemove="sbCanvasMouseMove($event)"
                                          @mouseup="sbCanvasMouseUp($event)"
                                          @click.self="if(!_sbLassoDone){ sbSelectedBlock = null; sbMultiSelected = []; } _sbLassoDone = false;"
-                                         style="min-height: 600px;">
+                                         @dragover.prevent="$event.dataTransfer.dropEffect = 'copy'"
+                                         @drop.prevent="sbDropMarker($event)"
+                                         style="min-height: 600px; flex: 1;">
                                         {{-- Lasso rectangle --}}
                                         <div class="sb-lasso-rect" x-show="_sbLasso" x-cloak
                                              :style="_sbLasso ? 'left:'+_sbLasso.rx+'px;top:'+_sbLasso.ry+'px;width:'+_sbLasso.rw+'px;height:'+_sbLasso.rh+'px' : ''"></div>
@@ -1741,16 +1766,27 @@
                                                         </template>
                                                     </div>
                                                 </template>
+
+                                                {{-- Marker (description number) --}}
+                                                <template x-if="blk.type === 'marker'">
+                                                    <div class="sb-blk-marker" x-text="blk.content || '01'"></div>
+                                                </template>
                                             </div>
                                         </template>
                                     </div>
 
+                                    {{-- Desc Resizer --}}
+                                    <div class="sb-desc-resizer"
+                                         @mousedown.prevent="_sbDescResize = { startY: $event.clientY, startH: sbDescHeight }; $event.target.classList.add('active')"></div>
                                     {{-- Description Panel --}}
-                                    <div class="sb-desc-panel">
+                                    <div class="sb-desc-panel" :style="'height:' + sbDescHeight + 'px'">
                                         <div class="sb-desc-title">Description</div>
                                         <template x-for="(desc, idx) in (sbCurrentPage.descriptions || [])" :key="idx">
                                             <div class="sb-desc-item">
-                                                <div class="sb-desc-num" x-text="String(idx + 1).padStart(2, '0')"></div>
+                                                <div class="sb-desc-num"
+                                                     x-text="String(idx + 1).padStart(2, '0')"
+                                                     draggable="true"
+                                                     @dragstart="$event.dataTransfer.setData('text/plain', 'marker:' + String(idx + 1).padStart(2, '0')); $event.dataTransfer.effectAllowed = 'copy';"></div>
                                                 <div class="sb-desc-text">
                                                     <textarea x-model="desc.text" rows="2" placeholder="기능 설명을 입력하세요..." @input="autoSave()"></textarea>
                                                 </div>
@@ -1997,7 +2033,10 @@ function planningCanvas() {
         _sbResize: null, // { blk, dir, startX, startY, origW, origH }
         _sbClipboard: null, // copied block data
         sbMenuWidth: 160,
+        sbDescHeight: 200,
+        sbMarkerNum: '01',
         _sbMenuResize: null,
+        _sbDescResize: null,
         sbMultiSelected: [],   // 다중 선택 블록 id 배열
         _sbLasso: null,        // { startX, startY, rx, ry, rw, rh }
         _sbLassoDone: false,   // 올가미 완료 직후 click.self 방지 플래그
@@ -2956,8 +2995,8 @@ function planningCanvas() {
                 const maxBottom = Math.max(...page.blocks.map(b => (b.y || 0) + (b.h || 40)));
                 autoY = maxBottom + 12;
             }
-            const defW = { heading: 400, heading2: 350, text: 340, divider: 400, table: 500, card: 300, code: 400, badges: 350, todo: 300, image: 400 };
-            const defH = { heading: 40, heading2: 36, text: 50, divider: 20, table: 140, card: 90, button: 50, input: 70, select: 70, callout: 60, code: 80, badges: 50, todo: 80, image: 200 };
+            const defW = { heading: 400, heading2: 350, text: 340, divider: 400, table: 500, card: 300, code: 400, badges: 350, todo: 300, image: 400, marker: 32 };
+            const defH = { heading: 40, heading2: 36, text: 50, divider: 20, table: 140, card: 90, button: 50, input: 70, select: 70, callout: 60, code: 80, badges: 50, todo: 80, image: 200, marker: 32 };
             const base = { id, type, content: '', x: 16, y: autoY, w: defW[type] || 240, h: defH[type] || 40 };
             switch (type) {
                 case 'heading': return { ...base };
@@ -2981,6 +3020,7 @@ function planningCanvas() {
                     { text: '항목 2', checked: false },
                 ]};
                 case 'image': return { ...base, src: '' };
+                case 'marker': return { ...base, content: base.content || '01' };
                 default: return base;
             }
         },
@@ -2996,6 +3036,42 @@ function planningCanvas() {
             this.autoSave();
         },
 
+        sbAddMarkerBlock() {
+            const num = this.sbMarkerNum || '01';
+            const page = this.sbCurrentPage;
+            if (!page) return;
+            if (!page.blocks) page.blocks = [];
+            this.sbPushHistory();
+            const blk = this.sbNewBlock('marker');
+            blk.content = num;
+            page.blocks.push(blk);
+            this.sbSelectedBlock = blk.id;
+            // 다음 번호 자동 증가
+            const n = parseInt(num, 10);
+            if (!isNaN(n)) this.sbMarkerNum = String(n + 1).padStart(2, '0');
+            this.autoSave();
+        },
+
+        sbDropMarker(e) {
+            const data = e.dataTransfer.getData('text/plain');
+            if (!data.startsWith('marker:')) return;
+            const num = data.slice(7);
+            const page = this.sbCurrentPage;
+            if (!page) return;
+            if (!page.blocks) page.blocks = [];
+            this.sbPushHistory();
+            const rect = this.$refs.sbCanvas.getBoundingClientRect();
+            const x = e.clientX - rect.left + this.$refs.sbCanvas.scrollLeft;
+            const y = e.clientY - rect.top + this.$refs.sbCanvas.scrollTop;
+            const blk = this.sbNewBlock('marker');
+            blk.content = num;
+            blk.x = Math.max(0, x - 14);
+            blk.y = Math.max(0, y - 14);
+            page.blocks.push(blk);
+            this.sbSelectedBlock = blk.id;
+            this.autoSave();
+        },
+
         sbAddBlockAfter(idx, type) {
             const page = this.sbCurrentPage;
             if (!page || !page.blocks) return;
@@ -3351,8 +3427,8 @@ function planningCanvas() {
             if (page.blocks.length > 0) {
                 curY = Math.max(...page.blocks.map(b => (b.y || 0) + (b.h || 40))) + 16;
             }
-            const defW = { heading: 400, heading2: 350, text: 340, divider: 400, table: 500, card: 300, code: 400, badges: 350, todo: 300, image: 400 };
-            const defH = { heading: 40, heading2: 36, text: 50, divider: 20, table: 140, card: 90, button: 50, input: 70, select: 70, callout: 60, code: 80, badges: 50, todo: 80, image: 200 };
+            const defW = { heading: 400, heading2: 350, text: 340, divider: 400, table: 500, card: 300, code: 400, badges: 350, todo: 300, image: 400, marker: 32 };
+            const defH = { heading: 40, heading2: 36, text: 50, divider: 20, table: 140, card: 90, button: 50, input: 70, select: 70, callout: 60, code: 80, badges: 50, todo: 80, image: 200, marker: 32 };
             blocks.forEach(blk => {
                 blk.id = 'blk_' + Date.now() + '_' + Math.random().toString(36).slice(2, 5);
                 if (blk.x === undefined) blk.x = 16;
@@ -3602,6 +3678,7 @@ function planningCanvas() {
                     return t + '</div>';
                 }
                 case 'image': return blk.src ? '<div style="margin:4px 0;text-align:center;"><img src="' + blk.src + '" style="max-width:100%;border-radius:6px;"></div>' : '';
+                case 'marker': return '<div style="display:inline-flex;width:28px;height:28px;border-radius:50%;background:#1e293b;color:#fff;font-size:11px;font-weight:700;align-items:center;justify-content:center;">' + esc(blk.content) + '</div>';
                 default: return '<p>' + esc(blk.content) + '</p>';
             }
         },