diff --git a/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.css b/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.css
new file mode 100644
index 000000000..3c1b40947
--- /dev/null
+++ b/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.css
@@ -0,0 +1,100 @@
+.m01-easypick {
+  --modal-max: 86vh;
+  width: min(760px, 94vw);
+  font-size: var(--text-body-lg, 1.125rem);
+}
+.m01-easypick__ask {
+  margin: 0;
+  font-size: 1.35em;
+  color: var(--color-text);
+}
+.m01-easypick__muted {
+  color: var(--color-text-muted);
+  font-size: var(--text-body-sm);
+}
+.m01-easypick__kinds {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+  gap: var(--spacing-12);
+}
+.m01-easypick__kind,
+.m01-easypick__row {
+  display: flex;
+  gap: var(--spacing-8);
+  padding: var(--spacing-12) var(--spacing-16);
+  border: 2px solid var(--color-border);
+  border-radius: var(--radius-cards);
+  background: var(--color-surface);
+  color: var(--color-text);
+  font: inherit;
+  text-align: left;
+  cursor: pointer;
+}
+.m01-easypick__kind {
+  flex-direction: column;
+  min-height: 96px;
+}
+.m01-easypick__kind strong {
+  font-size: 1.3em;
+}
+.m01-easypick__kind span {
+  color: var(--color-text-secondary);
+  font-size: var(--text-body-sm);
+}
+.m01-easypick__kind:hover,
+.m01-easypick__row:hover,
+.m01-easypick__kind:focus-visible,
+.m01-easypick__row:focus-visible {
+  border-color: var(--color-accent);
+  outline: 3px solid var(--color-accent);
+  outline-offset: 1px;
+}
+.m01-easypick__bar {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--spacing-8);
+  align-items: center;
+}
+.m01-easypick__bar > :last-child {
+  flex: 1 1 200px;
+}
+.m01-easypick__list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-8);
+  max-height: 46vh;
+  overflow: auto;
+}
+.m01-easypick__row {
+  align-items: center;
+  justify-content: space-between;
+  min-height: 52px;
+}
+.m01-easypick__name {
+  flex: 1 1 auto;
+  min-width: 0;
+}
+.m01-easypick__unit,
+.m01-easypick__price {
+  flex: none;
+  color: var(--color-text-secondary);
+  font-size: var(--text-body-sm);
+}
+.m01-easypick__tag {
+  margin-left: var(--spacing-8);
+  padding: 0 var(--spacing-8);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-pills);
+  color: var(--color-text-secondary);
+  font-size: var(--text-caption);
+}
+.m01-easypick__chosen {
+  margin: 0;
+  font-size: 1.15em;
+}
+.m01-easypick__rough {
+  min-height: 1.4em;
+  margin: 0;
+  color: var(--color-accent);
+  font-weight: 600;
+}
diff --git a/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.ts b/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.ts
new file mode 100644
index 000000000..e08cb5e85
--- /dev/null
+++ b/M01_MasterData/EasyCalc/M01_EasyCalc_Pick.ts
@@ -0,0 +1,456 @@
+/* =============================================================================
+ * M01_EasyCalc_Pick.ts
+ * 쉬운 단가산출 고르기 창 — 물음 셋(① 무엇 → ② 어떤 것 → ③ 얼마) · 한 화면 한 물음.
+ * 돌려주는 PickResult.element = 호표 「요소」 칸에 들어갈 값 그대로. 모양은 설계.md 3절.
+ * 글 [한, 영] 짝은 아래 TEXT. 이 폴더째 지워도 됨.
+ * ========================================================================== */
+
+import { currentLanguageIndex } from "@ui/ui_template_locale";
+import {
+  createButton,
+  createInputField,
+  createSelectField,
+  el,
+  showToast,
+} from "@ui/ui_template_elements";
+import { openModal } from "@ui/ui_template_modal";
+import { fetchPick, fetchSubs, type SubInfo } from "../M01_MasterData_Api_Fetch";
+import { fetchMaterials } from "../M01_MasterData_UI_Logic_Api";
+import { listEasy, listMachines, machineElement } from "./M01_EasyCalc_Api";
+import type { PickResult } from "./M01_EasyCalc_Model";
+import "./M01_EasyCalc_Pick.css";
+
+type Kind = PickResult["kind"];
+
+const TEXT = {
+  Title: ["넣을 것 고르기", "Pick what to add"],
+  Close: ["닫기", "Close"],
+  Back: ["← 뒤로", "← Back"],
+  AskKind: ["무엇을 넣을까요?", "What do you want to add?"],
+  AskWhich: ["어떤 것인가요?", "Which one?"],
+  AskQty: ["얼마나 쓰나요?", "How much?"],
+  Person: ["사람", "People"],
+  Material: ["재료", "Material"],
+  Machine: ["기계", "Machine"],
+  Logic: ["다른 일위대가", "Another unit-price job"],
+  PersonDesc: ["일하는 사람 — 석공 · 보통인부", "Workers — mason, laborer"],
+  MaterialDesc: ["쓰는 물건 — 돌 · 시멘트 · 관", "Things used — stone, cement, pipe"],
+  MachineDesc: ["쓰는 기계 — 굴삭기 · 덤프트럭", "Machines used — excavator, truck"],
+  LogicDesc: ["이미 만들어 둔 일을 가져다 씀", "Reuse a job already made"],
+  Search: ["이름을 쳐서 찾기", "Type a name to search"],
+  AllSub: ["전체", "All"],
+  SubLabel: ["구분", "Group"],
+  DetailLabel: ["상세구분", "Detail"],
+  Hint: ["구분을 고르거나 이름을 쳐 보세요", "Choose a group or type a name"],
+  Loading: ["찾는 중…", "Searching…"],
+  None: ["찾는 것 없음", "Nothing found"],
+  Count: ["{n} 개 중 앞 {m} 개", "First {m} of {n}"],
+  NoPrice: ["단가 없음", "No price"],
+  PerDay: ["하루 {p} 원", "{p} won per day"],
+  PerUnit: ["{u} 당 {p} 원", "{p} won per {u}"],
+  Picked: ["고른 것", "Chosen"],
+  QtyPlace: ["예: 0.072", "e.g. 0.072"],
+  QtyLabel: ["{u} (숫자)", "{u} (number)"],
+  Rough: ["금액 어림 약 {m} 원", "About {m} won"],
+  Add: ["넣기", "Add"],
+  QtyBad: ["0 보다 큰 숫자를 쳐 주세요", "Enter a number above 0"],
+  Failed: ["불러오지 못함", "Could not load"],
+} as const;
+
+const te = (key: keyof typeof TEXT, vars: Record<string, string | number> = {}): string =>
+  Object.entries(vars).reduce(
+    (text, [k, v]) => text.replace(`{${k}}`, String(v)),
+    TEXT[key][currentLanguageIndex] as string,
+  );
+
+const won = (n: number): string => Math.round(n).toLocaleString("ko-KR");
+const MAT_FILE = "재료_자재품목.json";
+
+/** 목록 한 줄 — 고르면 PickResult(수량 빼고) 를 만들어 줌 */
+interface Candidate {
+  name: string;
+  spec: string;
+  unit: string;
+  /** 줄 단위 1 당 단가 · 모르면 null — 금액 어림용 */
+  price: number | null;
+  /** 줄 오른쪽 글(단가 표시) */
+  priceText: string;
+  tag?: string;
+  make: () => Promise<Omit<PickResult, "qty">>;
+}
+
+interface Filter {
+  q: string;
+  sub: string;
+  detail: string;
+}
+
+interface Source {
+  title: string;
+  desc: string;
+  /** 구분 · 상세구분 칸을 보일지(재료만) */
+  grouped?: boolean;
+  /** 이름 · 구분이 비면 목록을 안 부르고 null(안내 글만) */
+  load: (f: Filter) => Promise<{ total: number; items: Candidate[] } | null>;
+}
+
+const num = (v: unknown): number | null => (typeof v === "number" && Number.isFinite(v) ? v : null);
+
+const SOURCES: Partial<Record<Kind, Source>> = {
+  person: {
+    title: te("Person"),
+    desc: te("PersonDesc"),
+    load: async (f) => {
+      const { total, items } = await fetchPick("job", f.q);
+      return {
+        total,
+        items: items.map((it) => {
+          const price = num(it.값);
+          return {
+            name: it.이름,
+            spec: it.규격,
+            unit: "인",
+            price,
+            priceText: price === null ? te("NoPrice") : te("PerDay", { p: won(price) }),
+            make: async () => ({
+              kind: "person",
+              name: it.이름,
+              spec: it.규격,
+              unit: "인",
+              element: it.ref,
+            }),
+          };
+        }),
+      };
+    },
+  },
+  material: {
+    title: te("Material"),
+    desc: te("MaterialDesc"),
+    grouped: true,
+    load: async (f) => {
+      if (!f.q && !f.sub) return null;
+      const found = f.q
+        ? await fetchPick("price", f.q).then((r) => ({
+            total: r.total,
+            items: r.items
+              .filter((it) => !f.sub || (it as { 구분?: string }).구분 === f.sub)
+              .map((it) => ({ ...it, 구분: (it as { 구분?: string }).구분, 상세구분: undefined })),
+          }))
+        : await fetchMaterials({ sub: f.sub, detail: f.detail || undefined }).then((r) => ({
+            total: r.total,
+            items: r.items.map((it) => ({ ...it, 구분: it.구분 ?? f.sub })),
+          }));
+      return {
+        total: found.total,
+        items: found.items.map((it) => {
+          const name = it.이름 ?? "";
+          const spec = it.규격 ?? "";
+          const unit = typeof it.단위 === "string" ? it.단위 : "";
+          const price = num(it.값);
+          const element: Record<string, string> = { 구분: it.구분 ?? f.sub };
+          const detail = (it as { 상세구분?: string }).상세구분 ?? f.detail;
+          if (detail) element["상세구분"] = detail;
+          element["검색어"] = `${name} ${spec}`.trim();
+          return {
+            name,
+            spec,
+            unit,
+            price,
+            priceText:
+              price === null ? te("NoPrice") : te("PerUnit", { u: unit || "1", p: won(price) }),
+            tag: element["구분"],
+            make: async () => ({ kind: "material", name, spec, unit, element }),
+          };
+        }),
+      };
+    },
+  },
+  machine: {
+    title: te("Machine"),
+    desc: te("MachineDesc"),
+    load: async (f) => {
+      const items = await listMachines(f.q);
+      return {
+        total: items.length,
+        items: items.map((m) => ({
+          name: m.이름,
+          spec: m.규격,
+          unit: m.단위,
+          price: null,
+          priceText: "",
+          make: async () => {
+            const { element, needInputs } = await machineElement(m.분류번호);
+            return {
+              kind: "machine",
+              name: m.이름,
+              spec: m.규격,
+              unit: m.단위,
+              element,
+              needInputs,
+            };
+          },
+        })),
+      };
+    },
+  },
+  logic: {
+    title: te("Logic"),
+    desc: te("LogicDesc"),
+    load: async (f) => {
+      // 돈으로 나오는 일위대가만 — 「원/㎡」 꼴
+      const items = (await listEasy(f.q)).filter((e) => e.resultUnit.startsWith("원/"));
+      return {
+        total: items.length,
+        items: items.map((e) => {
+          const unit = e.resultUnit.slice(2);
+          return {
+            name: e.name,
+            spec: "",
+            unit,
+            price: null,
+            priceText: "",
+            tag: e.owner,
+            make: async () => ({
+              kind: "logic",
+              name: e.name,
+              spec: "",
+              unit,
+              element: `로직(${e.key})`,
+            }),
+          };
+        }),
+      };
+    },
+  },
+};
+
+/** 물음 셋 — 고른 것 · 취소는 null */
+export function openEasyPick(kind?: Kind): Promise<PickResult | null> {
+  return new Promise((resolve) => {
+    let settled = false;
+    const finish = (r: PickResult | null): void => {
+      if (!settled) resolve(r);
+      settled = true;
+    };
+    openModal({
+      title: te("Title"),
+      closeLabel: te("Close"),
+      dialogClass: "m01-easypick",
+      beforeClose: () => (finish(null), true),
+      mount: (body, close) => {
+        const done = (r: PickResult): void => (finish(r), close());
+        const stepKinds = (): void => {
+          body.replaceChildren(
+            el("h4", { className: "m01-easypick__ask", text: te("AskKind") }),
+            kindButtons(),
+          );
+          body.querySelector<HTMLElement>("button")?.focus();
+        };
+        const kindButtons = (): HTMLElement => {
+          const order: Kind[] = ["person", "material", "machine", "logic"];
+          const grid = el("div", { className: "m01-easypick__kinds" });
+          order.forEach((k, i) => {
+            const src = SOURCES[k];
+            const b = el("button", {
+              className: "m01-easypick__kind",
+              attrs: { type: "button", "data-kind": k, "aria-keyshortcuts": String(i + 1) },
+              children: [
+                el("strong", { text: src?.title ?? labelOf(k) }),
+                el("span", { text: src?.desc ?? descOf(k) }),
+              ],
+            });
+            b.addEventListener("click", () => stepList(k, true));
+            grid.append(b);
+          });
+          grid.addEventListener("keydown", (ev) => {
+            const k = order[Number(ev.key) - 1];
+            if (k) stepList(k, true);
+          });
+          return grid;
+        };
+        const stepList = (k: Kind, canBack: boolean): void => {
+          const src = SOURCES[k];
+          if (!src) return;
+          const back = canBack ? stepKinds : null;
+          const search = createInputField({ type: "search", placeholder: te("Search") });
+          const filter: Filter = { q: "", sub: "", detail: "" };
+          const list = el("div", { className: "m01-easypick__list", attrs: { role: "listbox" } });
+          const count = el("span", { className: "m01-easypick__muted" });
+          const bar: HTMLElement[] = [search.root];
+          let seq = 0;
+          const load = async (): Promise<void> => {
+            const mine = ++seq;
+            count.textContent = "";
+            list.replaceChildren(
+              el("p", { className: "m01-easypick__muted", text: te("Loading") }),
+            );
+            try {
+              const found = await src.load(filter);
+              if (mine !== seq) return; // 최신 응답만
+              if (!found)
+                return void list.replaceChildren(
+                  el("p", { className: "m01-easypick__muted", text: te("Hint") }),
+                );
+              count.textContent = te("Count", { n: found.total, m: found.items.length });
+              list.replaceChildren(
+                ...(found.items.length
+                  ? found.items.map((c) =>
+                      rowOf(c, () => stepQty(k, c, back ? () => stepList(k, canBack) : null)),
+                    )
+                  : [el("p", { className: "m01-easypick__muted", text: te("None") })]),
+              );
+            } catch {
+              if (mine === seq) showToast(te("Failed"), "error");
+            }
+          };
+          if (src.grouped) bar.unshift(...subFilters(filter, load));
+          let timer = 0;
+          search.input.addEventListener("input", () => {
+            filter.q = search.input.value.trim();
+            window.clearTimeout(timer);
+            timer = window.setTimeout(load, 250);
+          });
+          body.replaceChildren(
+            ...(back ? [createButton({ label: te("Back"), variant: "ghost", onClick: back })] : []),
+            el("h4", { className: "m01-easypick__ask", text: `${src.title} — ${te("AskWhich")}` }),
+            el("div", { className: "m01-easypick__bar", children: bar }),
+            count,
+            list,
+          );
+          body.onkeydown = (ev) => {
+            if (back && ev.altKey && ev.key === "ArrowLeft") back();
+            else if (ev.key === "ArrowDown" || ev.key === "ArrowUp") moveFocus(body, ev);
+          };
+          search.input.focus();
+          void load();
+        };
+        const stepQty = (k: Kind, c: Candidate, back: (() => void) | null): void => {
+          const qty = createInputField({
+            type: "text",
+            label: te("QtyLabel", { u: c.unit || "—" }),
+            placeholder: te("QtyPlace"),
+          });
+          qty.input.inputMode = "decimal";
+          const rough = el("p", { className: "m01-easypick__rough" });
+          const parse = (): number | null => {
+            const n = Number(qty.input.value.trim().replace(/,/g, ""));
+            return qty.input.value.trim() !== "" && Number.isFinite(n) && n > 0 ? n : null;
+          };
+          const refresh = (): void => {
+            const n = parse();
+            rough.textContent =
+              n !== null && c.price !== null ? te("Rough", { m: won(n * c.price) }) : "";
+            qty.setError(undefined);
+          };
+          const submit = async (): Promise<void> => {
+            const n = parse();
+            if (n === null) return qty.setError(te("QtyBad"));
+            done({ ...(await c.make()), qty: n });
+          };
+          qty.input.addEventListener("input", refresh);
+          qty.input.addEventListener("keydown", (ev) => ev.key === "Enter" && void submit());
+          body.replaceChildren(
+            ...(back ? [createButton({ label: te("Back"), variant: "ghost", onClick: back })] : []),
+            el("h4", { className: "m01-easypick__ask", text: te("AskQty") }),
+            el("p", {
+              className: "m01-easypick__chosen",
+              children: [
+                el("span", { className: "m01-easypick__muted", text: te("Picked") }),
+                el("strong", { text: ` ${c.name} ${c.spec}`.trimEnd() }),
+              ],
+            }),
+            qty.root,
+            rough,
+            createButton({ label: te("Add"), variant: "filled", onClick: () => void submit() }),
+          );
+          body.onkeydown = (ev) => ev.altKey && ev.key === "ArrowLeft" && back?.();
+          qty.input.focus();
+          void k;
+        };
+        if (kind) stepList(kind, false);
+        else stepKinds();
+      },
+    });
+  });
+}
+
+const labelOf = (k: Kind): string =>
+  te(({ person: "Person", material: "Material", machine: "Machine", logic: "Logic" } as const)[k]);
+const descOf = (k: Kind): string =>
+  te(
+    (
+      {
+        person: "PersonDesc",
+        material: "MaterialDesc",
+        machine: "MachineDesc",
+        logic: "LogicDesc",
+      } as const
+    )[k],
+  );
+
+/** 목록 줄 — 이름 · 크기 · 단위 · 단가 */
+function rowOf(c: Candidate, onPick: () => void): HTMLElement {
+  const b = el("button", {
+    className: "m01-easypick__row",
+    attrs: { type: "button", role: "option" },
+    children: [
+      el("span", {
+        className: "m01-easypick__name",
+        children: [
+          el("strong", { text: c.name }),
+          ...(c.spec ? [el("span", { className: "m01-easypick__muted", text: ` ${c.spec}` })] : []),
+          ...(c.tag ? [el("span", { className: "m01-easypick__tag", text: c.tag })] : []),
+        ],
+      }),
+      el("span", { className: "m01-easypick__unit", text: c.unit }),
+      el("span", { className: "m01-easypick__price", text: c.priceText }),
+    ],
+  });
+  b.addEventListener("click", onPick);
+  return b;
+}
+
+/** 위·아래 화살표로 찾기 칸 ↔ 줄 사이 오감 */
+function moveFocus(body: HTMLElement, ev: KeyboardEvent): void {
+  const items = [...body.querySelectorAll<HTMLElement>("input[type=search], .m01-easypick__row")];
+  const at = items.indexOf(document.activeElement as HTMLElement);
+  if (at < 0) return;
+  const next = items[at + (ev.key === "ArrowDown" ? 1 : -1)];
+  if (!next) return;
+  ev.preventDefault();
+  next.focus();
+}
+
+/** 재료 구분 → 상세구분 고르기 칸 둘 — 바꾸면 load 다시 */
+function subFilters(filter: Filter, load: () => Promise<void>): HTMLElement[] {
+  let subs: SubInfo[] = [];
+  const all = { value: "", text: te("AllSub") };
+  const subBox = createSelectField({
+    options: [all],
+    value: "",
+    compact: true,
+    ariaLabel: te("SubLabel"),
+    onChange: (v) => ((filter.sub = v), (filter.detail = ""), fillDetail(), void load()),
+  });
+  const detailBox = createSelectField({
+    options: [all],
+    value: "",
+    compact: true,
+    ariaLabel: te("DetailLabel"),
+    onChange: (v) => ((filter.detail = v), void load()),
+  });
+  const fillDetail = (): void => {
+    const details = subs.find((s) => s.name === filter.sub)?.details ?? [];
+    detailBox.root.hidden = !details.length;
+    detailBox.setOptions([all, ...details.map((d) => ({ value: d, text: d }))], "");
+  };
+  fillDetail();
+  void fetchSubs({ file: MAT_FILE })
+    .then((r) => {
+      subs = r;
+      subBox.setOptions([all, ...r.map((s) => ({ value: s.name, text: s.name }))], filter.sub);
+    })
+    .catch(() => showToast(te("Failed"), "error"));
+  return [subBox.root, detailBox.root];
+}