diff --git a/app/Views/bag/order_phone_manage.php b/app/Views/bag/order_phone_manage.php
index df4392f..dc01feb 100644
--- a/app/Views/bag/order_phone_manage.php
+++ b/app/Views/bag/order_phone_manage.php
@@ -15,8 +15,8 @@
   </form>
 </section>
 
-<div class="grid grid-cols-1 xl:grid-cols-9 gap-3 mt-2">
-  <section class="xl:col-span-5 border border-gray-300 rounded-lg bg-white overflow-hidden flex flex-col">
+<div id="order-split" class="flex flex-col xl:flex-row gap-3 mt-2 items-stretch">
+  <section id="list-card" class="border border-gray-300 rounded-lg bg-white overflow-hidden flex flex-col min-w-0 xl:shrink-0">
     <div class="px-3 py-2 border-b border-gray-200 bg-gray-50 text-sm font-semibold text-gray-700">접수 리스트(전화)</div>
     <div id="list-scroll" class="overflow-auto">
       <table class="w-full data-table text-sm">
@@ -43,7 +43,12 @@
     </div>
   </section>
 
-  <section id="detail-card" class="xl:col-span-4 border border-gray-300 rounded-lg bg-white overflow-hidden">
+  <!-- 드래그 가능한 너비 조절 손잡이 (xl 이상 좌우 배치일 때만 표시) -->
+  <div id="split-handle" class="hidden xl:flex items-center justify-center cursor-col-resize select-none shrink-0" style="width:8px;touch-action:none;" role="separator" aria-orientation="vertical" title="드래그하여 표 너비를 조절합니다">
+    <div class="w-1.5 h-16 rounded-full bg-gray-300 hover:bg-blue-400 transition-colors"></div>
+  </div>
+
+  <section id="detail-card" class="border border-gray-300 rounded-lg bg-white overflow-hidden min-w-0 xl:flex-1">
     <div class="px-3 py-2 border-b border-gray-200 bg-gray-50 text-sm font-semibold text-gray-700">지정판매소 정보</div>
 
     <form id="order-detail-form" action="<?= base_url('bag/order/phone/manage/update') ?>" method="POST" class="p-3 space-y-3">
@@ -494,6 +499,74 @@
     new ResizeObserver(function () { syncListHeight(); }).observe(detailCardEl);
   }
 
+  // ── 접수 리스트 ↔ 지정판매소 정보 사이 너비 조절(드래그 스플리터) ──────
+  // 손잡이를 접수 리스트 쪽(왼쪽)으로 끌면 리스트 폭이 줄고 지정판매소 정보 폭이 넓어진다.
+  const splitEl = document.getElementById('order-split');
+  const listCardEl = document.getElementById('list-card');
+  const splitHandleEl = document.getElementById('split-handle');
+  const SPLIT_KEY = 'jrj_order_split_pct';
+  const SPLIT_MIN = 25, SPLIT_MAX = 75, SPLIT_DEFAULT = 55.5; // 기본값 ≈ 기존 5:4 비율
+  const xlMedia = window.matchMedia('(min-width: 1280px)');
+  function clampPct(p) { return Math.min(SPLIT_MAX, Math.max(SPLIT_MIN, p)); }
+  function currentPct() {
+    const saved = parseFloat(localStorage.getItem(SPLIT_KEY) || '');
+    return clampPct(isFinite(saved) ? saved : SPLIT_DEFAULT);
+  }
+  function applySplit(pct) {
+    if (!listCardEl) return;
+    if (xlMedia.matches) {
+      // 좌우 배치일 때만 폭 지정(세로로 쌓이는 좁은 화면에서는 전체폭 사용)
+      listCardEl.style.flex = '0 0 ' + pct + '%';
+      listCardEl.style.maxWidth = pct + '%';
+    } else {
+      listCardEl.style.flex = '';
+      listCardEl.style.maxWidth = '';
+    }
+    syncListHeight();
+  }
+  if (splitHandleEl && splitEl && listCardEl) {
+    let dragging = false, rafId = 0, pendingPct = null;
+    function onMove(clientX) {
+      const rect = splitEl.getBoundingClientRect();
+      if (rect.width <= 0) return;
+      pendingPct = clampPct((clientX - rect.left) / rect.width * 100);
+      if (!rafId) {
+        rafId = requestAnimationFrame(function () {
+          rafId = 0;
+          if (pendingPct != null) applySplit(pendingPct);
+        });
+      }
+    }
+    function pointerMove(e) { if (dragging) { e.preventDefault(); onMove(e.clientX); } }
+    function pointerUp() {
+      if (!dragging) return;
+      dragging = false;
+      document.body.style.userSelect = '';
+      document.body.style.cursor = '';
+      window.removeEventListener('pointermove', pointerMove);
+      window.removeEventListener('pointerup', pointerUp);
+      if (pendingPct != null) localStorage.setItem(SPLIT_KEY, String(Math.round(pendingPct * 10) / 10));
+    }
+    splitHandleEl.addEventListener('pointerdown', function (e) {
+      if (!xlMedia.matches) return; // 좁은 화면에서는 비활성
+      e.preventDefault();
+      dragging = true;
+      document.body.style.userSelect = 'none';
+      document.body.style.cursor = 'col-resize';
+      window.addEventListener('pointermove', pointerMove);
+      window.addEventListener('pointerup', pointerUp);
+    });
+    // 더블클릭 시 기본 비율로 초기화
+    splitHandleEl.addEventListener('dblclick', function () {
+      localStorage.removeItem(SPLIT_KEY);
+      applySplit(SPLIT_DEFAULT);
+    });
+    // 브레이크포인트 전환 시 폭 지정 적용/해제
+    (xlMedia.addEventListener ? xlMedia.addEventListener('change', function () { applySplit(currentPct()); })
+      : xlMedia.addListener(function () { applySplit(currentPct()); }));
+    applySplit(currentPct());
+  }
+
   // ── 포장 명세 탭: 주문 품목을 박스/팩/낱장 단위 행으로 펼침 ──────────
   const packingBody = document.getElementById('packing-body');
   const packingTotal = document.getElementById('packing-total');