diff --git a/app/globals.css b/app/globals.css
index 02687bd..db35a28 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -28,6 +28,14 @@
   --chart-3: oklch(0.398 0.07 227.392);
   --chart-4: oklch(0.828 0.189 84.429);
   --chart-5: oklch(0.769 0.188 70.08);
+  --color-chart-series-1: var(--chart-1);
+  --color-chart-series-2: var(--chart-2);
+  --color-chart-series-3: var(--chart-3);
+  --color-chart-series-4: var(--chart-4);
+  --color-chart-series-5: var(--chart-5);
+  --color-chart-series-6: var(--chart-1);
+  --color-chart-series-7: var(--chart-2);
+  --color-chart-series-8: var(--chart-3);
   --radius: 0.625rem;
   --sidebar: oklch(0.985 0 0);
   --sidebar-foreground: oklch(0.145 0 0);
@@ -64,6 +72,14 @@
   --chart-3: oklch(0.769 0.188 70.08);
   --chart-4: oklch(0.627 0.265 303.9);
   --chart-5: oklch(0.645 0.246 16.439);
+  --color-chart-series-1: var(--chart-1);
+  --color-chart-series-2: var(--chart-2);
+  --color-chart-series-3: var(--chart-3);
+  --color-chart-series-4: var(--chart-4);
+  --color-chart-series-5: var(--chart-5);
+  --color-chart-series-6: var(--chart-1);
+  --color-chart-series-7: var(--chart-2);
+  --color-chart-series-8: var(--chart-3);
   --sidebar: oklch(0.205 0 0);
   --sidebar-foreground: oklch(0.985 0 0);
   --sidebar-primary: oklch(0.488 0.243 264.376);
diff --git a/package.json b/package.json
index fe4d7b4..1394406 100644
--- a/package.json
+++ b/package.json
@@ -3,9 +3,10 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
+    "check:theme-tokens": "node scripts/check-global-theme-tokens.mjs",
     "build": "next build",
     "dev": "next dev",
-    "lint": "next lint",
+    "lint": "npm run check:theme-tokens && next lint",
     "start": "next start"
   },
   "dependencies": {
diff --git a/scripts/check-global-theme-tokens.mjs b/scripts/check-global-theme-tokens.mjs
new file mode 100644
index 0000000..5fb2fd1
--- /dev/null
+++ b/scripts/check-global-theme-tokens.mjs
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+
+import { readFile } from "node:fs/promises";
+import path from "node:path";
+import process from "node:process";
+import { fileURLToPath } from "node:url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const projectRoot = path.resolve(__dirname, "..");
+const cssFiles = ["app/globals.css", "styles/globals.css"];
+
+const hardcodedColorPattern = /#[\da-fA-F]{3,8}\b|rgba?\(|hsla?\(/;
+const varFallbackPattern = /var\([^),]+,\s*[^)]+\)/;
+
+function removeInlineComment(line) {
+  const start = line.indexOf("/*");
+  if (start < 0) {
+    return line;
+  }
+  return line.slice(0, start);
+}
+
+async function checkCssFile(relativePath) {
+  const absolutePath = path.join(projectRoot, relativePath);
+  const file = await readFile(absolutePath, "utf8");
+  const lines = file.split(/\r?\n/);
+  const issues = [];
+
+  for (let index = 0; index < lines.length; index += 1) {
+    const lineNumber = index + 1;
+    const line = removeInlineComment(lines[index]).trim();
+    if (!line || line.startsWith("@")) {
+      continue;
+    }
+    if (!line.includes(":")) {
+      continue;
+    }
+    const [property, ...valueParts] = line.split(":");
+    const propertyName = property.trim();
+    const value = valueParts.join(":").trim();
+    if (!propertyName || propertyName.startsWith("--")) {
+      continue;
+    }
+    if (varFallbackPattern.test(value)) {
+      issues.push(`${relativePath}:${lineNumber} forbidden CSS fallback: ${value}`);
+      continue;
+    }
+    if (hardcodedColorPattern.test(value)) {
+      issues.push(`${relativePath}:${lineNumber} hardcoded color literal/function: ${value}`);
+    }
+  }
+
+  return issues;
+}
+
+async function main() {
+  const issues = [];
+  for (const cssFile of cssFiles) {
+    issues.push(...(await checkCssFile(cssFile)));
+  }
+
+  if (issues.length > 0) {
+    console.error("[check-global-theme-tokens] failed:");
+    for (const issue of issues) {
+      console.error(`- ${issue}`);
+    }
+    process.exit(1);
+  }
+
+  console.log("[check-global-theme-tokens] OK");
+}
+
+main().catch((error) => {
+  console.error(`[check-global-theme-tokens] ${String(error)}`);
+  process.exit(1);
+});
diff --git a/styles/globals.css b/styles/globals.css
index b776803..492bcd8 100644
--- a/styles/globals.css
+++ b/styles/globals.css
@@ -28,6 +28,14 @@
   --chart-3: oklch(0.398 0.07 227.392);
   --chart-4: oklch(0.828 0.189 84.429);
   --chart-5: oklch(0.769 0.188 70.08);
+  --color-chart-series-1: var(--chart-1);
+  --color-chart-series-2: var(--chart-2);
+  --color-chart-series-3: var(--chart-3);
+  --color-chart-series-4: var(--chart-4);
+  --color-chart-series-5: var(--chart-5);
+  --color-chart-series-6: var(--chart-1);
+  --color-chart-series-7: var(--chart-2);
+  --color-chart-series-8: var(--chart-3);
   --radius: 0.625rem;
   --sidebar: oklch(0.985 0 0);
   --sidebar-foreground: oklch(0.145 0 0);
@@ -64,6 +72,14 @@
   --chart-3: oklch(0.769 0.188 70.08);
   --chart-4: oklch(0.627 0.265 303.9);
   --chart-5: oklch(0.645 0.246 16.439);
+  --color-chart-series-1: var(--chart-1);
+  --color-chart-series-2: var(--chart-2);
+  --color-chart-series-3: var(--chart-3);
+  --color-chart-series-4: var(--chart-4);
+  --color-chart-series-5: var(--chart-5);
+  --color-chart-series-6: var(--chart-1);
+  --color-chart-series-7: var(--chart-2);
+  --color-chart-series-8: var(--chart-3);
   --sidebar: oklch(0.205 0 0);
   --sidebar-foreground: oklch(0.985 0 0);
   --sidebar-primary: oklch(0.488 0.243 264.376);