/*
  スタイルシート概要: zenn.dev風デザイン
  主な仕様: 本文・見出し・コード・リスト・テーブル・引用・リンク等をzenn.dev風に調整
  制限事項: Google Fonts利用、ダークモード非対応、既存HTML構造前提
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&family=Fira+Mono:wght@400;700&display=swap');

body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Sans', 'Meiryo', sans-serif;
  background: #f8fafc;
  color: #222;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5em 1.2em 4em 1.2em;
  font-size: 1.08rem;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: #22223b;
  margin-top: 2.2em;
  margin-bottom: 0.7em;
  line-height: 1.3;
}
h1 { font-size: 2.1em; border-bottom: 2px solid #e2e8f0; padding-bottom: 0.2em; }
h2 { font-size: 1.5em; border-left: 4px solid #3b82f6; padding-left: 0.5em; background: #f1f5f9; }
h3 { font-size: 1.2em; }
h4, h5, h6 { font-size: 1em; }

p {
  margin: 1.2em 0;
}

a {
  color: #2563eb;
  text-decoration: underline;
  transition: color 0.2s;
}
a:hover {
  color: #1e40af;
}

ul, ol {
  margin: 1.2em 0 1.2em 2em;
  padding: 0;
}
li {
  margin-bottom: 0.5em;
}

blockquote {
  border-left: 4px solid #60a5fa;
  background: #f1f5f9;
  color: #374151;
  margin: 1.5em 0;
  padding: 0.8em 1.2em;
  font-style: italic;
}

code {
  font-family: 'Fira Mono', 'Consolas', 'Menlo', 'Monaco', monospace;
  background: #f3f4f6;
  color: #d6336c;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.98em;
}

pre {
  font-family: 'Fira Mono', 'Consolas', 'Menlo', 'Monaco', monospace;
  background: #232946;
  color: #f4f4f4;
  padding: 1.2em 1em;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5em 0;
  font-size: 0.98em;
}
pre code {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

pre.mermaid {
  background: none;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 2em 0;
  background: #fff;
  font-size: 1em;
}
th, td {
  border: 1px solid #e5e7eb;
  padding: 0.7em 1em;
  text-align: left;
}
th {
  background: #f1f5f9;
  font-weight: 700;
}

hr {
  border: none;
  border-top: 1.5px solid #e5e7eb;
  margin: 2.5em 0;
}

img {
  max-width: 100%;
  border-radius: 6px;
  margin: 1.5em 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}