diff --git a/package-lock.json b/package-lock.json
index 6ba663f..ab6ee27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
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         "prettier": "3.6.2",
         "sass-embedded": "^1.93.3",
-        "tailwindcss": "^4.1.17",
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         "textlint": "^15.4.0",
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         "textlint-rule-apostrophe": "^3.0.0",
@@ -2531,6 +2531,13 @@
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       }
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+    "node_modules/@tailwindcss/node/node_modules/tailwindcss": {
+      "version": "4.1.17",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.17.tgz",
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+      "dev": true,
+      "license": "MIT"
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       "version": "4.1.17",
       "resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.1.17.tgz",
@@ -2847,6 +2854,13 @@
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       }
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+    "node_modules/@tailwindcss/vite/node_modules/tailwindcss": {
+      "version": "4.1.17",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.17.tgz",
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+      "license": "MIT"
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       "dev": true,
       "license": "MIT",
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       "license": "MIT",
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -4800,6 +4818,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
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@@ -5679,6 +5698,7 @@
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       "license": "MIT",
+      "peer": true,
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@@ -7218,6 +7238,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -7278,6 +7299,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "eslint-config-prettier": "bin/cli.js"
       },
@@ -11190,6 +11212,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "argparse": "^2.0.1",
         "entities": "^4.4.0",
@@ -13144,6 +13167,7 @@
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       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
@@ -13243,6 +13267,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
@@ -14273,34 +14298,13 @@
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       "license": "MIT"
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-    "node_modules/sass": {
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-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.93.3.tgz",
-      "integrity": "sha512-elOcIZRTM76dvxNAjqYrucTSI0teAF/L2Lv0s6f6b7FOwcwIuA357bIE871580AjHJuSvLIRUosgV+lIWx6Rgg==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "chokidar": "^4.0.0",
-        "immutable": "^5.0.2",
-        "source-map-js": ">=0.6.2 <2.0.0"
-      },
-      "bin": {
-        "sass": "sass.js"
-      },
-      "engines": {
-        "node": ">=14.0.0"
-      },
-      "optionalDependencies": {
-        "@parcel/watcher": "^2.4.1"
-      }
-    },
     "node_modules/sass-embedded": {
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       "resolved": "https://registry.npmjs.org/sass-embedded/-/sass-embedded-1.93.3.tgz",
       "integrity": "sha512-+VUy01yfDqNmIVMd/LLKl2TTtY0ovZN0rTonh+FhKr65mFwIYgU9WzgIZKS7U9/SPCQvWTsTGx9jyt+qRm/XFw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@bufbuild/protobuf": "^2.5.0",
         "buffer-builder": "^0.2.0",
@@ -15816,9 +15820,9 @@
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-      "version": "4.1.17",
-      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.17.tgz",
-      "integrity": "sha512-j9Ee2YjuQqYT9bbRTfTZht9W/ytp5H+jJpZKiYdP/bpnXARAuELt9ofP0lPnmHjbga7SNQIxdTAXCmtKVYjN+Q==",
+      "version": "4.1.18",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.1.18.tgz",
+      "integrity": "sha512-4+Z+0yiYyEtUVCScyfHCxOYP06L5Ne+JiHhY2IjR2KWMIWhJOYZKLSGZaP5HkZ8+bY0cxfzwDE5uOmzFXyIwxw==",
       "dev": true,
       "license": "MIT"
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@@ -15918,6 +15922,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.21.1",
         "@textlint/ast-node-types": "15.4.0",
@@ -16303,6 +16308,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -17020,6 +17026,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.5.0",
@@ -17113,6 +17120,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -17148,7 +17156,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "debug": "^4.4.0",
         "eslint-scope": "^8.2.0",
@@ -17174,7 +17181,6 @@
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       "dev": true,
       "license": "ISC",
-      "peer": true,
       "bin": {
         "semver": "bin/semver.js"
       },
@@ -17211,6 +17217,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@vuepress/cli": "2.0.0-rc.26",
         "@vuepress/client": "2.0.0-rc.26",
@@ -17944,6 +17951,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
diff --git a/package.json b/package.json
index 7f6f0fa..69a0d7d 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "http-server": "^14.1.1",
     "prettier": "3.6.2",
     "sass-embedded": "^1.93.3",
-    "tailwindcss": "^4.1.17",
+    "tailwindcss": "^4.1.18",
     "textlint": "^15.4.0",
     "textlint-filter-rule-comments": "^1.2.2",
     "textlint-rule-apostrophe": "^3.0.0",