/* ベースリセットとフォント設定 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  line-height: 1.6;
  background-color: #fff9f5;
  color: #333;
}

/* ヘッダー */
header {
  background: #041f2c;
  text-align: center;
  padding: 4rem 2rem 3rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

header p {
  font-size: 1.2rem;
  color: #ccc;
}

/* セクション構造 */
.section {
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section h2 {
  font-size: 2rem;
  color: #041f2c;
  margin-bottom: 1rem;
}

.section p {
  font-size: 1rem;
  max-width: 600px;
  margin-bottom: 1.5rem;
  color: #555;
}

/* ボタン */
.cta-button,
.button {
  background: #041f2c;
  color: white;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  transition: background 0.3s;
  font-size: 1rem;
  display: inline-block;
  margin-top: 1rem;
  margin-right: 0.5rem;
  margin-bottom: 1rem;
}

.cta-button:hover,
.button:hover {
  background: #163453;
}

/* 画像付きセクション調整 */
@media (min-width: 768px) {
  .section {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    gap: 2rem;
  }

  .section:nth-child(even) {
    flex-direction: row-reverse;
  }

  .section div {
    flex: 1;
    padding: 1rem;
  }

  .section img {
    flex: 1;
    max-width: 400px;
    border-radius: 16px;
    object-fit: cover;
  }
}

/* フッター */
footer {
  background: #041f2c;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
}

footer a {
  color: #ffd3b6;
  text-decoration: underline;
}