body {
  font-family: "Noto Sans JP", -apple-system, blinkmacsystemfont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
  font-size: 16px;
  color: #222222;
  line-height: 1.5;
  background-color: #fefefe;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.header-container h1 {
  font-size: 36px;
  margin-top: 0;
  margin-bottom: 30px;
  font-style: italic;
}

.main-container h2 {
  border-left: 6px solid #7a9fb9;
  border-bottom: 2px solid #7a9fb9;
  padding-left: 6px;
  font-size: 24px;
  margin-bottom: 20px;
}

.main-container ul {
  padding: 0;
  margin: 0 0 40px 0;
}

.main-container li {
  margin-bottom: 10px;
  margin-left: 20px;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.footer-container {
  font-size: 14px;
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #ccc;
}