diff --git a/__tests__/valid.scss b/__tests__/valid.scss
index 4049c90..f24cae1 100644
--- a/__tests__/valid.scss
+++ b/__tests__/valid.scss
@@ -61,6 +61,14 @@ $postfix: if($infix != '', $infix + '-down', '');
   box-shadow: 0 0 1px rgb($theme / 25%);
 }
 
+@mixin spacing($distance: 8px) {
+  margin: $distance;
+
+  @media (min-width: 768px) {
+    margin: 2 * $distance;
+  }
+}
+
 %message-shared {
   border: 1px solid #ccc;
   color: #333;
@@ -102,6 +110,7 @@ $global-variable: first global value;
 .selector-b {
   @extend %message-shared;
   @include theme($theme: DarkRed);
+  @include spacing(12px);
 }
 
 /* Single-line comment */
diff --git a/index.js b/index.js
index 7989b94..734af15 100644
--- a/index.js
+++ b/index.js
@@ -31,6 +31,12 @@ module.exports = {
 				ignoreAtRules: ['use', 'forward'],
 			},
 		],
+		'no-invalid-position-declaration': [
+			true,
+			{
+				ignoreAtRules: ['mixin'],
+			},
+		],
 		'string-no-newline': true,
 		'unit-no-unknown': true,
 		'scss/at-extend-no-missing-placeholder': true,
diff --git a/package-lock.json b/package-lock.json
index 2bde465..b021ced 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,14 +22,14 @@
         "npm-run-all2": "^8.0.4",
         "prettier": "^3.6.2",
         "remark-cli": "^12.0.1",
-        "stylelint": "^16.24.0"
+        "stylelint": "^16.25.0"
       },
       "engines": {
         "node": ">=20"
       },
       "peerDependencies": {
         "postcss": "^8.3.3",
-        "stylelint": "^16.24.0"
+        "stylelint": "^16.25.0"
       },
       "peerDependenciesMeta": {
         "postcss": {
@@ -294,12 +294,13 @@
       }
     },
     "node_modules/@dual-bundle/import-meta-resolve": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/@dual-bundle/import-meta-resolve/-/import-meta-resolve-4.1.0.tgz",
-      "integrity": "sha512-+nxncfwHM5SgAtrVzgpzJOI1ol0PkumhVo469KCf9lUi21IGcY90G98VuHm9VRrUypmAzawAHO9bs6hqeADaVg==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/@dual-bundle/import-meta-resolve/-/import-meta-resolve-4.2.1.tgz",
+      "integrity": "sha512-id+7YRUgoUX6CgV0DtuhirQWodeeA7Lf4i2x71JS/vtA5pRb/hIGWlw+G6MeXvsM+MXrz0VAydTGElX1rAfgPg==",
+      "license": "MIT",
       "funding": {
         "type": "github",
-        "url": "https://github.com/sponsors/wooorm"
+        "url": "https://github.com/sponsors/JounQin"
       }
     },
     "node_modules/@eslint-community/eslint-utils": {
@@ -2236,9 +2237,9 @@
       "dev": true
     },
     "node_modules/debug": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
-      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -8156,9 +8157,9 @@
       "dev": true
     },
     "node_modules/stylelint": {
-      "version": "16.24.0",
-      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.24.0.tgz",
-      "integrity": "sha512-7ksgz3zJaSbTUGr/ujMXvLVKdDhLbGl3R/3arNudH7z88+XZZGNLMTepsY28WlnvEFcuOmUe7fg40Q3lfhOfSQ==",
+      "version": "16.25.0",
+      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.25.0.tgz",
+      "integrity": "sha512-Li0avYWV4nfv1zPbdnxLYBGq4z8DVZxbRgx4Kn6V+Uftz1rMoF1qiEI3oL4kgWqyYgCgs7gT5maHNZ82Gk03vQ==",
       "funding": [
         {
           "type": "opencollective",
@@ -8175,13 +8176,13 @@
         "@csstools/css-tokenizer": "^3.0.4",
         "@csstools/media-query-list-parser": "^4.0.3",
         "@csstools/selector-specificity": "^5.0.0",
-        "@dual-bundle/import-meta-resolve": "^4.1.0",
+        "@dual-bundle/import-meta-resolve": "^4.2.1",
         "balanced-match": "^2.0.0",
         "colord": "^2.9.3",
         "cosmiconfig": "^9.0.0",
         "css-functions-list": "^3.2.3",
         "css-tree": "^3.1.0",
-        "debug": "^4.4.1",
+        "debug": "^4.4.3",
         "fast-glob": "^3.3.3",
         "fastest-levenshtein": "^1.0.16",
         "file-entry-cache": "^10.1.4",
@@ -9694,9 +9695,9 @@
       "requires": {}
     },
     "@dual-bundle/import-meta-resolve": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/@dual-bundle/import-meta-resolve/-/import-meta-resolve-4.1.0.tgz",
-      "integrity": "sha512-+nxncfwHM5SgAtrVzgpzJOI1ol0PkumhVo469KCf9lUi21IGcY90G98VuHm9VRrUypmAzawAHO9bs6hqeADaVg=="
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/@dual-bundle/import-meta-resolve/-/import-meta-resolve-4.2.1.tgz",
+      "integrity": "sha512-id+7YRUgoUX6CgV0DtuhirQWodeeA7Lf4i2x71JS/vtA5pRb/hIGWlw+G6MeXvsM+MXrz0VAydTGElX1rAfgPg=="
     },
     "@eslint-community/eslint-utils": {
       "version": "4.9.0",
@@ -10989,9 +10990,9 @@
       "dev": true
     },
     "debug": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
-      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
       "requires": {
         "ms": "^2.1.3"
       }
@@ -14944,21 +14945,21 @@
       "dev": true
     },
     "stylelint": {
-      "version": "16.24.0",
-      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.24.0.tgz",
-      "integrity": "sha512-7ksgz3zJaSbTUGr/ujMXvLVKdDhLbGl3R/3arNudH7z88+XZZGNLMTepsY28WlnvEFcuOmUe7fg40Q3lfhOfSQ==",
+      "version": "16.25.0",
+      "resolved": "https://registry.npmjs.org/stylelint/-/stylelint-16.25.0.tgz",
+      "integrity": "sha512-Li0avYWV4nfv1zPbdnxLYBGq4z8DVZxbRgx4Kn6V+Uftz1rMoF1qiEI3oL4kgWqyYgCgs7gT5maHNZ82Gk03vQ==",
       "requires": {
         "@csstools/css-parser-algorithms": "^3.0.5",
         "@csstools/css-tokenizer": "^3.0.4",
         "@csstools/media-query-list-parser": "^4.0.3",
         "@csstools/selector-specificity": "^5.0.0",
-        "@dual-bundle/import-meta-resolve": "^4.1.0",
+        "@dual-bundle/import-meta-resolve": "^4.2.1",
         "balanced-match": "^2.0.0",
         "colord": "^2.9.3",
         "cosmiconfig": "^9.0.0",
         "css-functions-list": "^3.2.3",
         "css-tree": "^3.1.0",
-        "debug": "^4.4.1",
+        "debug": "^4.4.3",
         "fast-glob": "^3.3.3",
         "fastest-levenshtein": "^1.0.16",
         "file-entry-cache": "^10.1.4",
diff --git a/package.json b/package.json
index f97cea8..dbc2725 100644
--- a/package.json
+++ b/package.json
@@ -39,11 +39,11 @@
     "npm-run-all2": "^8.0.4",
     "prettier": "^3.6.2",
     "remark-cli": "^12.0.1",
-    "stylelint": "^16.24.0"
+    "stylelint": "^16.25.0"
   },
   "peerDependencies": {
     "postcss": "^8.3.3",
-    "stylelint": "^16.24.0"
+    "stylelint": "^16.25.0"
   },
   "peerDependenciesMeta": {
     "postcss": {