diff --git a/CSRender/Program.cs b/CSRender/Program.cs
index 642517bb80e4c34eddda762f8515424c81e68a9d..0fa041568f037336465e4182b13806df7e4988e7 100644
--- a/CSRender/Program.cs
+++ b/CSRender/Program.cs
@@ -34,7 +34,7 @@ namespace CSRenderMain {
 		[DataMember]
 		public string pdfPathRef = "";       //比較ファイル
 		[DataMember]
-		public string outuptImageDir = "";      // /O
+		public string outputImageDir = "";      // /O
         [DataMember]
         public string dpi = "72.0";   // /D 
         [DataMember]
@@ -193,8 +193,16 @@ For more information,see /H /? or /?
 				}
 				//大文字小文字無視でオプションチェック
 				var eIgnoreCase = StringComparer.OrdinalIgnoreCase;
-				// オプションチェックローカル関数
+				// ローカル関数:オプションチェック
 				bool isOpt(params string[] opts) => opts.Contains<string>(wd, eIgnoreCase);
+				// ローカル関数:オプションの値を取得
+				string getValue(string defaultValue = "" ) {
+					if ( qu.Count == 0 )
+						return defaultValue;
+					if ( Regex.Match( qu.Peek(), $@"^[\/\-]" ).Success )
+						return defaultValue; // 次のオプションキー -> 初期値を返す
+					return qu.Dequeue(); //値をキューから取り出す
+				}
 				// ボックスオプション辞書
 				var BoxSelOptDic = new Dictionary<string, string>(eIgnoreCase) { ["/BM"] = "Media", ["/BT"] = "Trim",
 					["/BB"] = "Bleed", ["/BC"] = "Crop",
@@ -204,34 +212,34 @@ For more information,see /H /? or /?
 					DispHelpDetail();
 					return -1;
 				} else if (isOpt("/F","/Tgt","/Target")) {
-					pm.pdfPath = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.pdfPath = getValue(); // next value.
 				} else if (isOpt("/Ref","/Reference")) {
-					pm.pdfPathRef = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.pdfPathRef = getValue(); // next value.
 				} else if (isOpt("/O","/Output")) {
-					pm.outuptImageDir = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.outputImageDir = getValue(); // next value.
 				} else if (isOpt("/D","/DPI")) {
-					pm.dpi = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.dpi = getValue(); // next value.
 					if (!double.TryParse(pm.dpi, out double dmy)) {
 						Console.WriteLine($"解像度が不正です:/D {pm.dpi}");
 						DispHelpNoArg();
 						return -1;
 					}
                 } else if (isOpt("/Para")) {
-                    string paraNum = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					string paraNum = getValue(); // next value.
                     if (!int.TryParse(paraNum, out pm.para)) {
                         Console.WriteLine($"並行数が不正です:/para {paraNum}");
 						DispHelpNoArg();
                         return -1;
                     }
 				} else if (isOpt("/ParaPage")) {
-					string paraNum = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					string paraNum = getValue(); // next value.
 					if (!int.TryParse(paraNum, out pm.paraPage)){
 						Console.WriteLine($"並行数(ページスレッド数が不正です:/ParaPage {paraNum}");
 						DispHelpNoArg();
 						return -1;
 					}
 				} else if (isOpt("/P","/Page")) {
-					pm.pageRange = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.pageRange = getValue(); // next value.
 				} else if (isOpt("/JPG", "/JPEG")) {
 					pm.imageType = "JPG";
 				} else if (isOpt("/PNG")) {
@@ -243,7 +251,7 @@ For more information,see /H /? or /?
 				} else if (isOpt("/BMP")) {
 					pm.imageType = "BMP";
 				} else if (isOpt("/JPEGQ")) {
-					pm.jpegQ = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.jpegQ = getValue(); // next value.
 					if (!int.TryParse(pm.jpegQ, out int dmy)) {
 						Console.WriteLine($"JPEG Qualityが不正です:/JPEGQ {pm.jpegQ}");
 						DispHelpNoArg();
@@ -254,7 +262,7 @@ For more information,see /H /? or /?
 						return -1;
 					}
 				} else if (isOpt("/M")) {
-					pm.mode = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.mode = getValue(); // next value.
 				} else if (BoxSelOptDic.ContainsKey(wd)) {
 					pm.boxSelect = BoxSelOptDic[wd];// "/BT" -> "Trim",...
 				} else if (isOpt("/HASH")) {
@@ -266,7 +274,7 @@ For more information,see /H /? or /?
 					pm.bFC = true;
 				} else if (isOpt("/PDFium")) {
 					pm.bPDFium = true;
-					var flgStr = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					var flgStr = getValue(); // next value.
 					if (!int.TryParse(flgStr, out int dmy)) {
 						Console.WriteLine($"PDFiumフラグが不正です:/PDFium {flgStr}");
 						return -1;
@@ -280,11 +288,11 @@ For more information,see /H /? or /?
 						return -1;
 					}
 				} else if (isOpt("/Verbose")) {
-					var arg = (qu.Count > 0) ? (!qu.Peek().StartsWith("/")? qu.Dequeue() : "True") : "True";// next word.
+					var arg = getValue("True"); // next value.
 					string[] sel = {"True","1","ON"};
 					pm.bVerbose = sel.Contains(arg, eIgnoreCase);
 				} else if (isOpt("/SubExe")) {
-					pm.subExe = (qu.Count > 0) ? qu.Dequeue() : null;// next word.
+					pm.subExe = getValue(null); // next value.
 					var sp = pm.subExe.Split(':');
 					if (sp.Length < 2 ) {
 						Console.WriteLine($"SubExe指定は\":\"区切りが必要: {pm.subExe}");
@@ -293,7 +301,7 @@ For more information,see /H /? or /?
 				} else if (isOpt("/NoExeSepa")) {
 					pm.bExeSepa = false;
 				} else if (isOpt("/RESULT")) {
-					pm.resultPath = (qu.Count > 0) ? qu.Dequeue() : "";// next word.
+					pm.resultPath = getValue(""); // next value.
 				} else if (wd.First() == '/') {
 					// 処理の無いオプションを明示的に無視する
 					Console.WriteLine($"Warning::Ignore opt:{wd}");
@@ -310,7 +318,6 @@ For more information,see /H /? or /?
 				}
 			}
 			// ↑引数解析終わり
-     
 			setEcho(pm.bVerbose);
 			if (pm.bVerbose)
 				echo("Varbose Mode!");
@@ -418,7 +425,7 @@ For more information,see /H /? or /?
 				}
 			}
 			var watch = System.Diagnostics.Stopwatch.StartNew(); // 時間の生成と計測開始を同時に行う
-			var otDir = pm.outuptImageDir;
+			var otDir = pm.outputImageDir;
 			if (otDir == "") {
 				if ( bDir ) {
 					var suffix = pm.bFC ? ".DiffImage": ".IMG";
@@ -431,7 +438,7 @@ For more information,see /H /? or /?
 					// 出力ディレクトリの作成 // 元PDFの同一フォルダにIMGフォルダを作成する
 					otDir = Path.Combine(Directory.GetParent(pm.pdfPath).FullName, "IMG");
 				}
-				pm.outuptImageDir = otDir;// pmに戻す
+				pm.outputImageDir = otDir;// pmに戻す
 			}
 			var otHashPath = "";
 			var otHashPath2 = "";