/* 共通設定 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

/* ヘッダー */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #007acc;
  color: #fff;
  padding: 10px 20px;
}
header .logo {
  font-size: 1.5em;
  font-weight: bold;
}
header nav ul {
  list-style: none;
  display: flex;
}
header nav ul li {
  margin-left: 20px;
}
header nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

/* ヒーローセクション */
#hero {
  background: url('hero-background.jpg') center/cover no-repeat;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}
.hero-content h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}
.hero-content p {
  font-size: 1.2em;
  margin-bottom: 20px;
}
.btn {
  display: inline-block;
  background-color: #ff6600;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 4px;
}

/* セクション共通 */
section {
  padding: 40px 20px;
  text-align: center;
  background-color: #fff;
  margin-bottom: 20px;
}
section h2 {
  margin-bottom: 20px;
  font-size: 2em;
  color: #007acc;
}

/* 特徴セクション */
.features-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}
.feature {
  background-color: #f4f4f4;
  border: 1px solid #ddd;
  padding: 20px;
  width: 250px;
  border-radius: 8px;
}

/* お問い合わせフォーム */
form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
form input[type="text"],
form input[type="email"],
form textarea {
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
form button {
  padding: 10px;
  background-color: #007acc;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
form button:hover {
  background-color: #005fa3;
}

/* フッター */
footer {
  background-color: #007acc;
  color: #fff;
  text-align: center;
  padding: 15px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  header {
    flex-direction: column;
  }
  header nav ul {
    flex-direction: column;
  }
  .features-container {
    flex-direction: column;
    align-items: center;
  }
}