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

body {
  font-family:
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
  color: #333;
  background-color: #f5f7fa;
}

/* ヘッダー */
.header {
  background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.name {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.tagline {
  font-size: 18px;
  font-weight: normal;
  opacity: 0.95;
}

/* コンテナ */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}

/* セクション */
.section {
  background-color: white;
  border-radius: 8px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-title {
  font-size: 28px;
  color: #2c3e50;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 3px solid #3498db;
}

/* 自己紹介セクション */
.content {
  margin-bottom: 30px;
}

.content:last-child {
  margin-bottom: 0;
}

.content-heading {
  font-size: 18px;
  color: #2c3e50;
  margin-bottom: 10px;
  font-weight: bold;
}

.content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.content p:last-child {
  margin-bottom: 0;
}

/* スキル表示 */
.skills {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.skill-item {
  background-color: #3498db;
  color: white;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: bold;
}

.phase-period {
  font-size: 14px;
  color: #7f8c8d;
  margin-top: 15px;
}

/* 目標リスト */
.goal-list {
  list-style: none;
  padding-left: 0;
}

.goal-list li {
  font-size: 16px;
  padding: 12px 0;
  padding-left: 30px;
  position: relative;
}

.goal-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #3498db;
  font-weight: bold;
  font-size: 18px;
}

/* メッセージセクション */
.message-section {
  background-color: #ecf8ff;
  border-left: 5px solid #3498db;
}

.message {
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 15px;
}

.message:last-child {
  margin-bottom: 0;
}

/* フッター */
.footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

.blog-link {
  display: inline-block;
  background-color: #3498db;
  color: white;
  text-decoration: none;
  padding: 15px 40px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
  transition: 0.3s;
}

.blog-link:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.copyright {
  font-size: 14px;
  opacity: 0.7;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .header {
    padding: 60px 20px;
  }

  .name {
    font-size: 36px;
  }

  .tagline {
    font-size: 16px;
  }

  .container {
    padding: 40px 15px;
  }

  .section {
    padding: 30px 20px;
  }

  .section-title {
    font-size: 24px;
  }

  .skills {
    gap: 10px;
  }

  .skill-item {
    font-size: 14px;
    padding: 10px 20px;
  }
}