/* リセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: #333;
  background-color: #fff;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  padding-bottom: 15px;
  border-bottom: 2px solid #333;
}

.last-updated {
  font-size: 13px;
  color: #666;
  margin-bottom: 30px;
}

.intro {
  margin-bottom: 40px;
  line-height: 1.9;
}

.section {
  margin-bottom: 40px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid #333;
}

.section-content {
  margin-bottom: 15px;
  line-height: 1.9;
}

.list-item {
  margin-bottom: 8px;
  padding-left: 1.2em;
  position: relative;
}

.list-item::before {
  content: "・";
  position: absolute;
  left: 0;
}

.subsection {
  margin-top: 20px;
  margin-bottom: 15px;
}

.link {
  color: #333;
  text-decoration: underline;
}

.link:hover {
  color: #666;
}

.contact-info {
  margin-top: 10px;
  padding: 20px;
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
  body {
    font-size: 14px;
    padding: 10px;
  }

  .container {
    padding: 20px 10px;
  }

  h1 {
    font-size: 20px;
  }

  .section-title {
    font-size: 16px;
  }
}