diff --git a/PythonProj/ScanOCR/build/build_package.py b/PythonProj/ScanOCR/build/build_package.py
new file mode 100644
index 00000000..6e9db456
--- /dev/null
+++ b/PythonProj/ScanOCR/build/build_package.py
@@ -0,0 +1,161 @@
+# -*- coding: utf-8 -*-
+"""
+配布パッケージ生成スクリプト。
+
+開発者PC上で1回実行すると、dist/ScanOCR/ 配下に
+Python embeddable版・依存pipパッケージ・tesseract-ocr・poppler一式を含む
+配布用フォルダを生成する。
+
+前提:
+  - ネットワーク接続必須
+  - 7-Zip（7zコマンド）がPATHに通っていること（tesseractインストーラー展開用）
+
+使い方:
+    python build/build_package.py
+"""
+from __future__ import annotations
+
+import shutil
+import subprocess
+import tempfile
+import urllib.request
+import zipfile
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parent.parent
+DIST_DIR = REPO_ROOT / "dist" / "ScanOCR"
+
+PYTHON_VERSION = "3.11.9"
+PYTHON_EMBED_URL = (
+    f"https://www.python.org/ftp/python/{PYTHON_VERSION}/"
+    f"python-{PYTHON_VERSION}-embed-amd64.zip"
+)
+GET_PIP_URL = "https://bootstrap.pypa.io/get-pip.py"
+PIP_PACKAGES = ["opencv-python", "pdf2image", "pytesseract", "pillow", "numpy"]
+
+TESSERACT_VERSION = "5.4.0.20240606"
+TESSERACT_INSTALLER_URL = (
+    "https://github.com/UB-Mannheim/tesseract/releases/download/"
+    f"v{TESSERACT_VERSION}/tesseract-ocr-w64-setup-{TESSERACT_VERSION}.exe"
+)
+
+POPPLER_VERSION = "24.02.0-0"
+POPPLER_ZIP_URL = (
+    "https://github.com/oschwartz10612/poppler-windows/releases/download/"
+    f"v{POPPLER_VERSION}/Release-{POPPLER_VERSION}.zip"
+)
+
+CODE_FILES = (
+    "extract_and_rename.py",
+    "box_detector.py",
+    "config_loader.py",
+    "file_ops.py",
+    "lock_manager.py",
+    "logger.py",
+)
+
+RUNTIME_FOLDERS = ("テンプレート", "スキャン", "アウトプット", "成功", "失敗", "ログ")
+
+
+def download(url: str, dest: Path) -> None:
+    print(f"ダウンロード: {url}")
+    urllib.request.urlretrieve(url, dest)
+
+
+def prepare_dist_dir() -> None:
+    if DIST_DIR.exists():
+        shutil.rmtree(DIST_DIR)
+    DIST_DIR.mkdir(parents=True)
+
+
+def copy_code_files() -> Path:
+    script_dst = DIST_DIR / "スクリプト"
+    script_dst.mkdir(parents=True)
+    for name in CODE_FILES:
+        shutil.copy2(REPO_ROOT / "スクリプト" / name, script_dst / name)
+    shutil.copy2(REPO_ROOT / "OCR仕分け実行.bat", DIST_DIR / "OCR仕分け実行.bat")
+    shutil.copy2(REPO_ROOT / "config.txt", DIST_DIR / "config.txt")
+    return script_dst
+
+
+def setup_python(script_dst: Path, tmp_dir: Path) -> None:
+    python_dir = script_dst / "python"
+    python_dir.mkdir(parents=True)
+
+    zip_path = tmp_dir / "python-embed.zip"
+    download(PYTHON_EMBED_URL, zip_path)
+    with zipfile.ZipFile(zip_path) as zf:
+        zf.extractall(python_dir)
+
+    pth_files = list(python_dir.glob("python*._pth"))
+    if not pth_files:
+        raise RuntimeError("python*._pth が見つかりません（embeddable zipの構成が変わった可能性）")
+    pth_path = pth_files[0]
+    content = pth_path.read_text(encoding="utf-8")
+    content = content.replace("#import site", "import site")
+    pth_path.write_text(content, encoding="utf-8")
+
+    get_pip_path = tmp_dir / "get-pip.py"
+    download(GET_PIP_URL, get_pip_path)
+    python_exe = python_dir / "python.exe"
+    subprocess.run([str(python_exe), str(get_pip_path)], check=True)
+    subprocess.run(
+        [str(python_exe), "-m", "pip", "install", *PIP_PACKAGES],
+        check=True,
+    )
+
+
+def setup_tesseract(script_dst: Path, tmp_dir: Path) -> None:
+    tools_dst = script_dst / "tools" / "tesseract"
+    tools_dst.mkdir(parents=True)
+
+    installer_path = tmp_dir / "tesseract-setup.exe"
+    download(TESSERACT_INSTALLER_URL, installer_path)
+
+    extract_dir = tmp_dir / "tesseract-extract"
+    extract_dir.mkdir()
+    subprocess.run(
+        ["7z", "x", str(installer_path), f"-o{extract_dir}", "-y"],
+        check=True,
+    )
+    for item in extract_dir.iterdir():
+        shutil.move(str(item), str(tools_dst / item.name))
+
+
+def setup_poppler(script_dst: Path, tmp_dir: Path) -> None:
+    tools_parent = script_dst / "tools"
+    tools_parent.mkdir(parents=True, exist_ok=True)
+    tools_dst = tools_parent / "poppler"
+
+    zip_path = tmp_dir / "poppler.zip"
+    download(POPPLER_ZIP_URL, zip_path)
+    extract_dir = tmp_dir / "poppler-extract"
+    with zipfile.ZipFile(zip_path) as zf:
+        zf.extractall(extract_dir)
+
+    inner_items = list(extract_dir.iterdir())
+    source_dir = inner_items[0] if len(inner_items) == 1 else extract_dir
+    shutil.move(str(source_dir), str(tools_dst))
+
+
+def create_runtime_folders() -> None:
+    for name in RUNTIME_FOLDERS:
+        (DIST_DIR / name).mkdir(parents=True, exist_ok=True)
+
+
+def main() -> None:
+    prepare_dist_dir()
+    script_dst = copy_code_files()
+
+    with tempfile.TemporaryDirectory() as tmp:
+        tmp_dir = Path(tmp)
+        setup_python(script_dst, tmp_dir)
+        setup_tesseract(script_dst, tmp_dir)
+        setup_poppler(script_dst, tmp_dir)
+
+    create_runtime_folders()
+    print(f"配布パッケージ生成完了: {DIST_DIR}")
+
+
+if __name__ == "__main__":
+    main()