diff --git a/src/components/SearchComponent/SearchComponent.tsx b/src/components/SearchComponent/SearchComponent.tsx
index 4c19055..943d0d0 100644
--- a/src/components/SearchComponent/SearchComponent.tsx
+++ b/src/components/SearchComponent/SearchComponent.tsx
@@ -216,6 +216,17 @@ const SearchComponent: React.FC<SearchComponentProps> = ({ searchOptions, setSea
                                 placeholder="担当教員名"
                             />
                         </div>
+                        <div className='search-group'>
+                            <br></br>
+                            <label htmlFor="subject-code">講義コード(前方一致): </label>
+                            <input
+                                id='subject-code'
+                                type="text"
+                                value={searchOptions.subjectCode}
+                                onChange={(e) => setSearchOptions({ ...searchOptions, subjectCode: e.target.value })}
+                                placeholder="例: CC2(教育学部第二類)"
+                            />
+                        </div>
 
                         <div className='search-group'>
                             <label htmlFor="bookmark-filter">ブックマーク:</label>
diff --git a/src/components/TableView/TableView.tsx b/src/components/TableView/TableView.tsx
index dc2283a..7b49931 100644
--- a/src/components/TableView/TableView.tsx
+++ b/src/components/TableView/TableView.tsx
@@ -20,7 +20,7 @@ function TableView({ searchOptions }: TableViewProps) {
 
     const [isTableRaw, setIsTableRaw] = useState(false);
 
-    const defaultMaxNumberOfSubjectsToShow = 100;
+    const defaultMaxNumberOfSubjectsToShow = 1000;
     const [maxNumberOfSubjectsToShow, setMaxNumberOfSubjectsToShow] = useState(defaultMaxNumberOfSubjectsToShow);
     const handleMaxSubjectsChange = (event: React.ChangeEvent<HTMLInputElement>) => {
         const value = parseInt(event.target.value, 10);
diff --git a/src/components/Timetable/Timetable.css b/src/components/Timetable/Timetable.css
index d593da6..e2e29fa 100644
--- a/src/components/Timetable/Timetable.css
+++ b/src/components/Timetable/Timetable.css
@@ -17,15 +17,17 @@
 /* より具体的なセレクタを使用 */
 /* TODO: !importantの使用をやめる */
 .term-selected {
-    background-color: #4CAF50 !important;
+    /* background-color: #4CAF50 !important; */
+    background-color: var(--momiji-color) !important;
     color: white !important;
 }
 
 .class-objects>div {
     position: absolute;
     font-size: 0.5em;
-    border-color: #ccc;
-    border-style: solid;
+    border-radius: 5px;
+    border: 1px solid rgba(220, 220, 220, 0.4);
+    box-sizing: border-box;
 }
 
 
@@ -55,7 +57,8 @@
     bottom: 10px;
     right: 10px;
     border: 1px solid #ccc;
-    opacity: 0.85;
+    opacity: 0.95;
+    background-color: #ccc;
 }
 
 .timetable-window .toggle-button {
diff --git a/src/components/Timetable/Timetable.tsx b/src/components/Timetable/Timetable.tsx
index 6560869..079921c 100644
--- a/src/components/Timetable/Timetable.tsx
+++ b/src/components/Timetable/Timetable.tsx
@@ -115,10 +115,10 @@ const Timetable = () => {
                                             <div
                                                 style={{
                                                     position: 'absolute',
-                                                    top: position.top + 'px',
-                                                    left: position.left + 'px',
-                                                    width: position.width + 'px',
-                                                    height: position.height * (schedule.jigen.komaRange.last - schedule.jigen.komaRange.begin + 1) + 'px',
+                                                    top: position.top + 2 + 'px',
+                                                    left: position.left + 2 + 'px',
+                                                    width: position.width - 4 + 'px',
+                                                    height: position.height * (schedule.jigen.komaRange.last - schedule.jigen.komaRange.begin + 1) - 4 + 'px',
                                                     backgroundColor: 'rgba(20, 200, 20, 0.5)', // TODO: 適当な色の設定
                                                 }}
                                             >
@@ -136,11 +136,11 @@ const Timetable = () => {
                                             <div
                                                 style={{
                                                     position: 'absolute',
-                                                    top: position.top + 'px',
-                                                    left: position.left + 'px',
-                                                    width: position.width + 'px',
-                                                    height: position.height * (schedule.jigen.komaRange.last - schedule.jigen.komaRange.begin + 1) + 'px',
-                                                    backgroundColor: 'rgba(20, 200, 20, 0.5)', // TODO: 適当な色の設定
+                                                    top: position.top + 2 + 'px',
+                                                    left: position.left + 2 + 'px',
+                                                    width: position.width - 4 + 'px',
+                                                    height: position.height * (schedule.jigen.komaRange.last - schedule.jigen.komaRange.begin + 1) - 4 + 'px',
+                                                    backgroundColor: 'rgba(40, 60, 200, 0.5)' // TODO: 適当な色の設定
                                                 }}
                                             >
                                                 {subject2Map[subjectCode]["授業科目名"]}
diff --git a/src/search/index.ts b/src/search/index.ts
index 17a8a81..39cc435 100644
--- a/src/search/index.ts
+++ b/src/search/index.ts
@@ -46,7 +46,8 @@ export const initialSearchOptions: SearchOptions = {
     courseType: "学部",
     language: "指定なし",
     rishuNenji: "指定なし",
-    rishuNenjiFilter: "以下"
+    rishuNenjiFilter: "以下",
+    subjectCode: "",
 };
 
 // 検索条件で絞り込んだ科目のリスト(講義コードのリスト)を返す
@@ -69,7 +70,8 @@ function matchesSearchOptions(subject: Subject2, searchOptions: SearchOptions, b
         matchesBookmark(subject, searchOptions, bookmarkedSubjects) &&
         matchesCourseType(subject, searchOptions) &&
         matchesLanguage(subject, searchOptions) &&
-        matchesRishuNenji(subject, searchOptions);
+        matchesRishuNenji(subject, searchOptions) &&
+        matchesSubjectCode(subject, searchOptions);
 }
 
 
@@ -169,3 +171,7 @@ function matchesRishuNenji(subject: Subject2, searchOptions: SearchOptions): boo
         searchOptions.rishuNenjiFilter === "以下" && subject["履修年次"] <= searchOptions.rishuNenji ||
         searchOptions.rishuNenjiFilter === "のみ" && subject["履修年次"] == searchOptions.rishuNenji;
 }
+
+function matchesSubjectCode(subject: Subject2, searchOptions: SearchOptions): boolean {
+    return subject["講義コード"].startsWith(searchOptions.subjectCode);
+}
\ No newline at end of file
diff --git a/src/types/search.ts b/src/types/search.ts
index a56a11d..bb678dc 100644
--- a/src/types/search.ts
+++ b/src/types/search.ts
@@ -30,4 +30,5 @@ export interface SearchOptions {
     language: Language | "指定なし"
     rishuNenji: number | "指定なし"
     rishuNenjiFilter: "以下" | "のみ"
+    subjectCode: string
 }