ヘッダーIDの追加

src/Site/Lib/Markdown.php

@@ -80,6 +80,7 @@ class Markdown {
     $tableRows = [];
     $inTable = false;
     $i = 0;
+    $headerCount = 1;
 
     foreach ($lines as $line) {
       $i++;
@@ -196,7 +197,8 @@ class Markdown {
         }
 
         $level = strlen($m[1]);
-        $this->html[] = "        <h{$level}>".$this->parseInline($m[2])."</h{$level}>";
+        $this->html[] = "        <h{$level} id=\"section-{$headerCount}\">".$this->parseInline($m[2])."</h{$level}>";
+        $headerCount++;
         continue;
       }