/* 全体のスタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background: #f0f0f0;
  color: #333;
}

/* ヘッダー */
header {
  background: linear-gradient(135deg, #00aaff, #0044cc);
  padding: 20px 0;
  color: white;
}

header .container {
  width: 80%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 2em;
}

nav ul {
  list-style: none;
}

nav ul li {
  display: inline-block;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

/* ヒーローセクション */
#hero {
  background: linear-gradient(135deg, #00aaff, #0044cc);
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.hero-content h2 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

.hero-content p {
  font-size: 1.2em;
  margin-bottom: 20px;
}

.cta-button {
  background: #ff6600;
  padding: 15px 30px;
  color: white;
  text-decoration: none;
  font-size: 1.2em;
  border-radius: 5px;
  transition: background 0.3s;
}

.cta-button:hover {
  background: #cc5200;
}

/* 特徴セクション */
#features {
  padding: 50px 20px;
  background-color: #ffffff;
}

#features .container {
  width: 80%;
  margin: 0 auto;
  text-align: center;
}

#features h2 {
  font-size: 2em;
  margin-bottom: 20px;
}

#features ul {
  list-style: none;
  display: flex;
  justify-content: space-around;
}

#features ul li {
  width: 30%;
}

#features h3 {
  font-size: 1.5em;
  margin-bottom: 10px;
}

#features p {
  font-size: 1em;
}

/* 料金プラン */
#pricing {
  padding: 50px 20px;
  background-color: #f0f0f0;
  text-align: center;
}

#pricing .container {
  width: 80%;
  margin: 0 auto;
}

#pricing h2 {
  font-size: 2em;
  margin-bottom: 30px;
}

.pricing-plan {
  background-color: white;
  padding: 20px;
  margin: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pricing-plan h3 {
  font-size: 1.8em;
  margin-bottom: 10px;
}

.pricing-plan p {
  font-size: 1.2em;
}

.pricing-plan a {
  display: block;
  margin-top: 20px;
}

/* フッター */
footer {
  background: #0044cc;
  color: white;
  padding: 20px;
  text-align: center;
}

/* その他 */
.container {
  width: 80%;
  margin: 0 auto;
}