diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0635b72..5b3d426 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -40,7 +40,7 @@ importers:
         version: 20.12.3
       '@typescript-eslint/eslint-plugin':
         specifier: ^7.5.0
-        version: 7.5.0(@typescript-eslint/parser@7.5.0)(eslint@8.57.0)(typescript@5.4.3)
+        version: 7.5.0(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)(typescript@5.4.3)
       '@typescript-eslint/parser':
         specifier: ^7.5.0
         version: 7.5.0(eslint@8.57.0)(typescript@5.4.3)
@@ -52,13 +52,13 @@ importers:
         version: 2.1.0
       eslint-import-resolver-typescript:
         specifier: ^3.6.1
-        version: 3.6.1(@typescript-eslint/parser@7.5.0)(eslint-plugin-i@2.29.1)(eslint@8.57.0)
+        version: 3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0)
       eslint-plugin-eslint-comments:
         specifier: ^3.2.0
         version: 3.2.0(eslint@8.57.0)
       eslint-plugin-import:
         specifier: npm:eslint-plugin-i@^2.29.1
-        version: eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
+        version: eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
       eslint-plugin-regexp:
         specifier: ^2.4.0
         version: 2.4.0(eslint@8.57.0)
@@ -70,7 +70,7 @@ importers:
         version: 51.0.1(eslint@8.57.0)
       eslint-plugin-unused-imports:
         specifier: ^3.1.0
-        version: 3.1.0(@typescript-eslint/eslint-plugin@7.5.0)(eslint@8.57.0)
+        version: 3.1.0(@typescript-eslint/eslint-plugin@7.5.0(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)
       git-last-commit:
         specifier: ^1.0.1
         version: 1.0.1
@@ -94,19 +94,19 @@ importers:
         version: 5.4.3
       vite:
         specifier: 3.2.7
-        version: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)
+        version: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)
       vite-plugin-checker:
         specifier: 0.6.2
-        version: 0.6.2(eslint@8.57.0)(typescript@5.4.3)(vite@3.2.7)
+        version: 0.6.2(eslint@8.57.0)(optionator@0.9.3)(typescript@5.4.3)(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1))
       vite-plugin-handlebars:
         specifier: 1.6.0
         version: 1.6.0
       vite-plugin-minify:
         specifier: 1.5.2
-        version: 1.5.2(vite@3.2.7)
+        version: 1.5.2(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1))
       vite-tsconfig-paths:
         specifier: 3.6.0
-        version: 3.6.0(vite@3.2.7)
+        version: 3.6.0(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1))
 
 packages:
 
@@ -1356,8 +1356,8 @@ packages:
     resolution: {integrity: sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==}
     hasBin: true
 
-  jschardet@3.1.2:
-    resolution: {integrity: sha512-mw3CBZGzW8nUBPYhFU2ztZ/kJ6NClQUQVpyzvFMfznZsoC///ZQ30J2RCUanNsr5yF22LqhgYr/lj807/ZleWA==}
+  jschardet@3.1.3:
+    resolution: {integrity: sha512-Q1PKVMK/uu+yjdlobgWIYkUOCR1SqUmW9m/eUJNNj4zI2N12i25v8fYpVf+zCakQeaTdBdhnZTFbVIAVZIVVOg==}
     engines: {node: '>=0.1.90'}
 
   jsdoc-type-pratt-parser@4.0.0:
@@ -2287,7 +2287,7 @@ snapshots:
   '@microsoft/eslint-formatter-sarif@3.0.0':
     dependencies:
       eslint: 8.57.0
-      jschardet: 3.1.2
+      jschardet: 3.1.3
       lodash: 4.17.21
       utf8: 3.0.0
     transitivePeerDependencies:
@@ -2378,7 +2378,7 @@ snapshots:
 
   '@types/semver@7.5.8': {}
 
-  '@typescript-eslint/eslint-plugin@7.5.0(@typescript-eslint/parser@7.5.0)(eslint@8.57.0)(typescript@5.4.3)':
+  '@typescript-eslint/eslint-plugin@7.5.0(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)(typescript@5.4.3)':
     dependencies:
       '@eslint-community/regexpp': 4.10.0
       '@typescript-eslint/parser': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
@@ -2393,6 +2393,7 @@ snapshots:
       natural-compare: 1.4.0
       semver: 7.5.4
       ts-api-utils: 1.3.0(typescript@5.4.3)
+    optionalDependencies:
       typescript: 5.4.3
     transitivePeerDependencies:
       - supports-color
@@ -2405,6 +2406,7 @@ snapshots:
       '@typescript-eslint/visitor-keys': 7.5.0
       debug: 4.3.4
       eslint: 8.57.0
+    optionalDependencies:
       typescript: 5.4.3
     transitivePeerDependencies:
       - supports-color
@@ -2421,6 +2423,7 @@ snapshots:
       debug: 4.3.4
       eslint: 8.57.0
       ts-api-utils: 1.3.0(typescript@5.4.3)
+    optionalDependencies:
       typescript: 5.4.3
     transitivePeerDependencies:
       - supports-color
@@ -2437,6 +2440,7 @@ snapshots:
       minimatch: 9.0.3
       semver: 7.5.4
       ts-api-utils: 1.3.0(typescript@5.4.3)
+    optionalDependencies:
       typescript: 5.4.3
     transitivePeerDependencies:
       - supports-color
@@ -2903,13 +2907,13 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0)(eslint-plugin-i@2.29.1)(eslint@8.57.0):
+  eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0):
     dependencies:
       debug: 4.3.4
       enhanced-resolve: 5.16.0
       eslint: 8.57.0
-      eslint-module-utils: 2.7.4(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
-      eslint-plugin-import: eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
+      eslint-module-utils: 2.7.4(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0))(eslint@8.57.0)
+      eslint-plugin-import: eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
       fast-glob: 3.3.2
       get-tsconfig: 4.7.3
       is-core-module: 2.11.0
@@ -2920,22 +2924,24 @@ snapshots:
       - eslint-import-resolver-webpack
       - supports-color
 
-  eslint-module-utils@2.7.4(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0):
+  eslint-module-utils@2.7.4(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0))(eslint@8.57.0):
     dependencies:
-      '@typescript-eslint/parser': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
       debug: 3.2.7
+    optionalDependencies:
+      '@typescript-eslint/parser': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
       eslint: 8.57.0
-      eslint-import-resolver-typescript: 3.6.1(@typescript-eslint/parser@7.5.0)(eslint-plugin-i@2.29.1)(eslint@8.57.0)
+      eslint-import-resolver-typescript: 3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0)
     transitivePeerDependencies:
       - supports-color
 
-  eslint-module-utils@2.8.1(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0):
+  eslint-module-utils@2.8.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0))(eslint@8.57.0):
     dependencies:
-      '@typescript-eslint/parser': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
       debug: 3.2.7
+    optionalDependencies:
+      '@typescript-eslint/parser': 7.5.0(eslint@8.57.0)(typescript@5.4.3)
       eslint: 8.57.0
       eslint-import-resolver-node: 0.3.9
-      eslint-import-resolver-typescript: 3.6.1(@typescript-eslint/parser@7.5.0)(eslint-plugin-i@2.29.1)(eslint@8.57.0)
+      eslint-import-resolver-typescript: 3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0)
     transitivePeerDependencies:
       - supports-color
 
@@ -2945,13 +2951,13 @@ snapshots:
       eslint: 8.57.0
       ignore: 5.2.0
 
-  eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0):
+  eslint-plugin-i@2.29.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0):
     dependencies:
       debug: 4.3.4
       doctrine: 3.0.0
       eslint: 8.57.0
       eslint-import-resolver-node: 0.3.9
-      eslint-module-utils: 2.8.1(@typescript-eslint/parser@7.5.0)(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.6.1)(eslint@8.57.0)
+      eslint-module-utils: 2.8.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-import-resolver-node@0.3.9)(eslint-import-resolver-typescript@3.6.1(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint-plugin-i@2.29.1)(eslint@8.57.0))(eslint@8.57.0)
       get-tsconfig: 4.7.3
       is-glob: 4.0.3
       minimatch: 3.1.2
@@ -2999,11 +3005,12 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-plugin-unused-imports@3.1.0(@typescript-eslint/eslint-plugin@7.5.0)(eslint@8.57.0):
+  eslint-plugin-unused-imports@3.1.0(@typescript-eslint/eslint-plugin@7.5.0(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0):
     dependencies:
-      '@typescript-eslint/eslint-plugin': 7.5.0(@typescript-eslint/parser@7.5.0)(eslint@8.57.0)(typescript@5.4.3)
       eslint: 8.57.0
       eslint-rule-composer: 0.3.0
+    optionalDependencies:
+      '@typescript-eslint/eslint-plugin': 7.5.0(@typescript-eslint/parser@7.5.0(eslint@8.57.0)(typescript@5.4.3))(eslint@8.57.0)(typescript@5.4.3)
 
   eslint-rule-composer@0.3.0: {}
 
@@ -3405,7 +3412,7 @@ snapshots:
     dependencies:
       argparse: 2.0.1
 
-  jschardet@3.1.2: {}
+  jschardet@3.1.3: {}
 
   jsdoc-type-pratt-parser@4.0.0: {}
 
@@ -4074,14 +4081,13 @@ snapshots:
       spdx-correct: 3.1.1
       spdx-expression-parse: 3.0.1
 
-  vite-plugin-checker@0.6.2(eslint@8.57.0)(typescript@5.4.3)(vite@3.2.7):
+  vite-plugin-checker@0.6.2(eslint@8.57.0)(optionator@0.9.3)(typescript@5.4.3)(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)):
     dependencies:
       '@babel/code-frame': 7.18.6
       ansi-escapes: 4.3.2
       chalk: 4.1.2
       chokidar: 3.5.3
       commander: 8.3.0
-      eslint: 8.57.0
       fast-glob: 3.3.2
       fs-extra: 11.1.1
       lodash.debounce: 4.0.8
@@ -4090,12 +4096,15 @@ snapshots:
       semver: 7.5.4
       strip-ansi: 6.0.1
       tiny-invariant: 1.3.1
-      typescript: 5.4.3
-      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)
+      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)
       vscode-languageclient: 7.0.0
       vscode-languageserver: 7.0.0
       vscode-languageserver-textdocument: 1.0.7
       vscode-uri: 3.0.6
+    optionalDependencies:
+      eslint: 8.57.0
+      optionator: 0.9.3
+      typescript: 5.4.3
 
   vite-plugin-handlebars@1.6.0:
     dependencies:
@@ -4106,18 +4115,18 @@ snapshots:
       - sass
       - stylus
 
-  vite-plugin-minify@1.5.2(vite@3.2.7):
+  vite-plugin-minify@1.5.2(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)):
     dependencies:
       html-minifier-terser: 6.1.0
-      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)
+      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)
 
-  vite-tsconfig-paths@3.6.0(vite@3.2.7):
+  vite-tsconfig-paths@3.6.0(vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)):
     dependencies:
       debug: 4.3.4
       globrex: 0.1.2
       recrawl-sync: 2.2.3
       tsconfig-paths: 4.2.0
-      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)
+      vite: 3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1)
     transitivePeerDependencies:
       - supports-color
 
@@ -4130,15 +4139,16 @@ snapshots:
     optionalDependencies:
       fsevents: 2.3.3
 
-  vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3):
+  vite@3.2.7(patch_hash=ktuhr33h7nfiyfd2sgw2nnedwi)(@types/node@20.12.3)(terser@5.15.1):
     dependencies:
-      '@types/node': 20.12.3
       esbuild: 0.15.18
       postcss: 8.4.38
       resolve: 1.22.8
       rollup: 2.79.1
     optionalDependencies:
+      '@types/node': 20.12.3
       fsevents: 2.3.3
+      terser: 5.15.1
 
   vscode-jsonrpc@6.0.0: {}
 
diff --git a/src/lib/private/login.ts b/src/lib/private/login.ts
index c707f1f..8842789 100644
--- a/src/lib/private/login.ts
+++ b/src/lib/private/login.ts
@@ -1,10 +1,10 @@
-const password: { [key: string]: string } = {
-    えきむっごきへで: "最強の私の名前。",
+const passwords: { [key: string]: string } = {
+    えきむっごきへで: "最強な私の名前。",
     げどぴんやせぎく: "広告を消したとき、どのページに移動する？",
     がびてちぶけぢん: "ようこそページの対話。",
     うぅぢはれぉぜぉ: "HTML を見ても何もありませんよ。",
     やわごぇるでぉほ: "右クリックは禁止です！",
-    ゐかいぅゎっげし: "楽譜置き場訪問してください！",
+    ゐかいぅゎっげし: "楽譜置き場にパスワードがある気がします！",
 }
 
 const generateRange = (startChar: string, endChar: string) => {
@@ -74,10 +74,8 @@ export const bakePassword = (rawPassword: string) => {
     return hashChar
 }
 
-window.bakePassword = bakePassword
-
 export const submitPassword = (inputPassword: string) => {
-    if (inputPassword === "") {
+    if (inputPassword.length === 0) {
         alert("パスワードを入力してください！")
 
         return
@@ -85,24 +83,91 @@ export const submitPassword = (inputPassword: string) => {
 
     const bakedPassword = bakePassword(inputPassword)
 
-    if (!(bakedPassword in password)) {
+    if (!(bakedPassword in passwords)) {
         alert("パスワードが間違っています！")
 
         return
     }
 
+    markPasswordAsResolved(bakedPassword)
     window.open(`frame.html?dist=${bakedPassword}&password=${inputPassword}`, "_self")
 }
 
-window.submitPassword = submitPassword
+const RESOLVED_PASSWORDS_LS = "passed_passwords"
+
+const getResolvedPasswords = (): string[] => {
+    const resolvedPasswords = localStorage.getItem(RESOLVED_PASSWORDS_LS)
+
+    if (resolvedPasswords === null) return []
+
+    return JSON.parse(resolvedPasswords) as string[]
+}
+
+const markPasswordAsResolved = (password: string) => {
+    const passedPasswords = getResolvedPasswords()
+
+    passedPasswords.push(password)
+    localStorage.setItem(RESOLVED_PASSWORDS_LS, JSON.stringify(passedPasswords))
+}
+
+const getUnresolvedPasswordEntries = (): { [key: string]: string } => {
+    const passedPasswords = new Set(getResolvedPasswords())
+    const unresolvedEntries: { [key: string]: string } = {}
+
+    for (const [key, value] of Object.entries(passwords)) {
+        if (!passedPasswords.has(key)) {
+            unresolvedEntries[key] = value
+        }
+    }
+
+    return unresolvedEntries
+}
 
 export const getRandomHint = () => {
-    const keys = Object.keys(password)
+    let entries = getUnresolvedPasswordEntries()
+
+    if (Object.keys(entries).length === 0) {
+        entries = passwords
+    }
+
+    const keys = Object.keys(entries)
     const index = Math.floor(Math.random() * keys.length)
     const randomKey = keys[index]
-    const hint = password[randomKey]
+    const hint = entries[randomKey]
 
     return `${index + 1}ページ目のヒント：${hint}`
 }
 
+const createResolveStatusIndicator = () => {
+    const elm = document.querySelector("#resolve-status-indicator")!
+    const resolvedPasswords = getResolvedPasswords()
+    const allPasswords = Object.keys(passwords)
+    const resolveStatus: boolean[] = []
+
+    for (const password of allPasswords) {
+        resolveStatus.push(resolvedPasswords.includes(password))
+    }
+
+    // すべて解決済みなら, おめでとうメッセージを表示
+    if (resolveStatus.every(Boolean)) {
+        elm.classList.add("congratulations")
+        elm.textContent = "全隠しページを制覇しました！おめでとうございます！"
+
+        return
+    }
+
+    // そうでなかったら, インジケータを表示
+    for (const element of resolveStatus) {
+        const span = document.createElement("span")
+
+        span.textContent = element ? "●" : "○"
+        elm.append(span)
+    }
+}
+
 window.getRandomHint = getRandomHint
+window.submitPassword = submitPassword
+window.bakePassword = bakePassword
+window.addEventListener("load", () => {
+    createResolveStatusIndicator()
+})
diff --git a/src/pages/private/login.htm b/src/pages/private/login.htm
index 2d32827..91d038f 100644
--- a/src/pages/private/login.htm
+++ b/src/pages/private/login.htm
@@ -36,6 +36,7 @@ <h2 class="title">隠しページに入室するにはパスワードを入力
                     </button>
                     <br />
                     <br />
+                    <div id="resolve-status-indicator"></div>
                     <br />
                     <br />
                     <a href="javascript:alert(getRandomHint())">パスワードが分からない？</a>
diff --git a/src/styles/private/login.css b/src/styles/private/login.css
index 969fbf7..128e7cc 100644
--- a/src/styles/private/login.css
+++ b/src/styles/private/login.css
@@ -11,3 +11,13 @@ button {
     color: black;
     height: 22px;
 }
+
+div#resolve-status-indicator > span {
+    font-size: 12px;
+    margin-left: 5px;
+}
+
+div#resolve-status-indicator.congratulations {
+    font-weight: bold;
+    font-size: 22px;
+}