@charset "UTF-8";

/*!
Theme Name: Cocoon Child
Description: Cocoon専用の子テーマ
Theme URI: https://wp-cocoon.com/
Author: わいひら
Author URI: https://nelog.jp/
Template:   cocoon-master
Version:    1.1.3
*/

/************************************
** 子テーマ用のスタイルを書く
************************************/
/*必要ならばここにコードを書く*/
/* メインセクションコンテナ */
.music-secret-symphony-section-xz9k8 {
  background: linear-gradient(135deg, #f8f6f3 0%, #faf9f7 50%, #f5f3f0 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.music-secret-symphony-section-xz9k8::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(212, 175, 55, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.container-fluid-wrapper-msx2025 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* セクションヘッダー */
.section-main-header-block-qw7p {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.main-title-gradient-effect-jk3m {
  font-size: 2.8rem;
  font-weight: 700;
  color: #2c2416;
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.05em;
}

.main-title-gradient-effect-jk3m::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, #d4af37, #f4e4c1, #d4af37);
  border-radius: 2px;
}

.title-icon-music-note {
  display: inline-block;
  margin-right: 15px;
  font-size: 2.4rem;
  color: #d4af37;
  animation: gentle-pulse-vx3 3s ease-in-out infinite;
}

@keyframes gentle-pulse-vx3 {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.subtitle-emphasis-line-vx8 {
  display: block;
  font-size: 1.2rem;
  color: #6b5d4f;
  font-weight: 400;
  margin-top: 10px;
  font-style: italic;
}

/* コンテンツブロック - 3コードで世界が広がる魔法 */
.content-block-magical-three-chord-nx4k {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 40px;
  margin-bottom: 50px;
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.intro-visual-container-zp9 {
  margin-bottom: 35px;
}

.responsive-img-full-width {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.text-content-wrapper-prime-kl8 {
  padding: 0 10px;
}

.sub-heading-decorated-tm5 {
  font-size: 1.8rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 25px;
  position: relative;
  padding-left: 35px;
  font-family: 'Noto Sans JP', sans-serif;
}

.accent-mark-gold {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #d4af37;
  font-size: 1.4rem;
}

.lead-paragraph-styled-qn2 {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #4a4139;
  margin-bottom: 20px;
}

.highlight-gold-text {
  color: #b8860b;
  font-weight: 600;
  background: linear-gradient(180deg, transparent 60%, rgba(212, 175, 55, 0.2) 60%);
  padding: 0 2px;
}

.emphasis-underline-dotted {
  border-bottom: 2px dotted #d4af37;
  padding-bottom: 2px;
}

.chord-highlight-c {
  display: inline-block;
  background: #e8f4f8;
  color: #2c5f7c;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  margin: 0 3px;
}

.chord-highlight-g {
  display: inline-block;
  background: #f8e8e8;
  color: #7c2c2c;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  margin: 0 3px;
}

.chord-highlight-f {
  display: inline-block;
  background: #e8f8e8;
  color: #2c7c2c;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  margin: 0 3px;
}

.chord-highlight-am {
  display: inline-block;
  background: #f8f0e8;
  color: #7c5c2c;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  margin: 0 3px;
}

/* インフォボックス */
.info-box-premium-style-wx3 {
  background: linear-gradient(135deg, #faf8f3 0%, #f5f2ec 100%);
  border-left: 4px solid #d4af37;
  padding: 20px 25px;
  margin: 25px 0;
  border-radius: 0 8px 8px 0;
}

.info-text-enhanced {
  font-size: 1.05rem;
  color: #3a3226;
  line-height: 1.7;
  margin: 0;
}

.number-emphasis-large {
  font-size: 1.2em;
  color: #d4af37;
  font-weight: 700;
}

.body-text-standard-jm7 {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #4a4139;
  margin-top: 20px;
}

.affirmative-strong {
  color: #b8860b;
  font-weight: 700;
  font-size: 1.1em;
}

.theory-term-highlight {
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
}

/* 練習方法セクション */
.practice-method-section-vn8k {
  background: white;
  border-radius: 12px;
  padding: 45px;
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.sub-heading-with-border-left-yz4 {
  font-size: 1.8rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.number-circle-gold {
  display: inline-flex;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #d4af37, #f4e4c1);
  border-radius: 50%;
  color: white;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.intro-text-spacing-qt6 {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #4a4139;
  margin-bottom: 30px;
}

.brand-highlight {
  color: #8b4513;
  font-weight: 600;
}

/* 練習のコツグリッド */
.practice-tips-grid-layout-hk2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin: 35px 0;
}

.tip-card-elegant-style-mn9 {
  background: linear-gradient(135deg, #ffffff 0%, #faf9f7 100%);
  border: 1px solid #e5e2de;
  border-radius: 10px;
  padding: 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.tip-card-elegant-style-mn9:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.tip-header-gold-accent {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.tip-number {
  font-size: 2rem;
  color: #d4af37;
  font-weight: 700;
  opacity: 0.7;
}

.tip-title-styled {
  font-size: 1.2rem;
  color: #3a3226;
  font-weight: 600;
  margin: 0;
}

.tip-description-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #5a524a;
}

.time-emphasis {
  color: #d4af37;
  font-weight: 600;
}

.tempo-highlight {
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
}

.important-note {
  color: #8b4513;
  font-weight: 600;
}

.mindset-emphasis {
  font-style: italic;
  color: #6b5d4f;
}

.transition-text-vm3 {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #4a4139;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #e5e2de;
}

/* 基本コードセクション */
.basic-chords-comprehensive-section-pw5 {
  background: white;
  border-radius: 12px;
  padding: 45px;
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.sub-heading-premium-style-kx8 {
  font-size: 1.8rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-chord-diagram {
  font-size: 1.6rem;
  color: #d4af37;
}

.section-intro-text-nv4 {
  font-size: 1.05rem;
  color: #4a4139;
  margin-bottom: 30px;
}

.chords-showcase-container-zx9 {
  margin: 30px 0;
}

.chord-diagram-img {
  border: 2px solid #f0ede8;
  padding: 10px;
  background: #fafafa;
}

/* コード詳細リスト */
.chord-details-list-qm7 {
  margin-top: 40px;
}

.chord-explanation-block-tn3 {
  background: #faf9f7;
  border-left: 3px solid #d4af37;
  padding: 20px 25px;
  margin-bottom: 20px;
  border-radius: 0 8px 8px 0;
  transition: background 0.3s ease;
}

.chord-explanation-block-tn3:hover {
  background: #f5f3f0;
}

.chord-name-header-jk2 {
  font-size: 1.3rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chord-badge-c,
.chord-badge-g,
.chord-badge-f,
.chord-badge-am,
.chord-badge-d,
.chord-badge-em {
  display: inline-flex;
  width: 35px;
  height: 35px;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
}

.chord-badge-c { background: linear-gradient(135deg, #4a90e2, #5ba3f5); }
.chord-badge-g { background: linear-gradient(135deg, #e24a4a, #f55b5b); }
.chord-badge-f { background: linear-gradient(135deg, #4ae24a, #5bf55b); }
.chord-badge-am { background: linear-gradient(135deg, #e2904a, #f5a35b); }
.chord-badge-d { background: linear-gradient(135deg, #904ae2, #a35bf5); }
.chord-badge-em { background: linear-gradient(135deg, #4ae290, #5bf5a3); }

.chord-instruction-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #4a4139;
}

.note-warning {
  color: #c9302c;
  font-weight: 500;
  font-style: italic;
}

.tip-highlight {
  background: #fff9e6;
  padding: 2px 6px;
  border-radius: 3px;
  color: #8b6914;
}

/* 練習励ましボックス */
.practice-encouragement-box-vz8 {
  background: linear-gradient(135deg, #fff9e6 0%, #fef6dd 100%);
  border: 2px solid #d4af37;
  border-radius: 10px;
  padding: 25px;
  margin-top: 35px;
  text-align: center;
}

.encouragement-text-styled {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #3a3226;
  margin: 0;
}

.motivation-highlight {
  color: #d4af37;
  font-weight: 700;
  font-size: 1.05em;
}

/* 日本の定番ソングセクション */
.japanese-songs-section-comprehensive-nx7 {
  background: white;
  border-radius: 12px;
  padding: 45px;
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.section-title-premium-decorated-qs9 {
  font-size: 1.8rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f0ede8;
}

.title-number-badge {
  display: inline-flex;
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, #d4af37, #f4e4c1);
  border-radius: 8px;
  color: white;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.4rem;
}

.section-lead-text-kw3 {
  font-size: 1.05rem;
  color: #4a4139;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* 個別の曲詳細 */
.song-detail-container-premium-hx6 {
  background: linear-gradient(135deg, #faf9f7 0%, #ffffff 100%);
  border: 1px solid #e5e2de;
  border-radius: 12px;
  padding: 35px;
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.song-detail-container-premium-hx6:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.song-header-elegant-style-mp4 {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e5e2de;
}

.song-number-circle {
  display: inline-flex;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #8b4513, #a0522d);
  border-radius: 50%;
  color: white;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.song-title-main-vb7 {
  font-size: 1.5rem;
  color: #3a3226;
  font-weight: 700;
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
}

.song-content-wrapper-detailed-nz8 {
  padding-left: 70px;
}

.song-intro-paragraph-kl5 {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #4a4139;
  margin-bottom: 25px;
}

.emphasis-beginner {
  color: #d4af37;
  font-weight: 600;
  font-size: 1.05em;
}

.chord-sequence-highlight {
  background: rgba(212, 175, 55, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
  color: #8b4513;
}

/* コード進行表示ボックス */
.chord-progression-display-box-wt9 {
  background: linear-gradient(135deg, #2c2416 0%, #3a3226 100%);
  border-radius: 10px;
  padding: 20px 25px;
  margin: 25px 0;
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.2);
}

.progression-label {
  font-size: 0.9rem;
  color: #d4af37;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  font-weight: 500;
}

.chord-flow-visual {
  font-size: 1.3rem;
  color: white;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: 'Courier New', monospace;
}

/* 弾き方のコツセクション */
.playing-tips-section-qr8 {
  margin: 30px 0;
}

.tips-header-styled {
  font-size: 1.2rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 15px;
  display: inline-block;
  border-bottom: 2px solid #d4af37;
  padding-bottom: 5px;
}

.tips-list-premium-style {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.tip-item-enhanced {
  position: relative;
  padding-left: 35px;
  margin-bottom: 18px;
  font-size: 1rem;
  line-height: 1.7;
  color: #4a4139;
}

.tip-item-enhanced::before {
  content: '▸';
  position: absolute;
  left: 0;
  top: 0;
  color: #d4af37;
  font-size: 1.3rem;
  font-weight: 700;
}

.pattern-highlight {
  font-family: 'Courier New', monospace;
  background: #f5f3f0;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.important-practice-note {
  color: #8b4513;
  font-weight: 500;
  font-style: italic;
}

.alternative-suggestion {
  background: #e8f4e8;
  padding: 2px 6px;
  border-radius: 3px;
  color: #2c7c2c;
}

.dynamic-instruction {
  color: #d4af37;
  font-weight: 500;
}

/* 曲の魅力説明ボックス */
.song-charm-description-box-ky7 {
  background: linear-gradient(135deg, #fff9e6 0%, #fef6dd 100%);
  border-left: 3px solid #d4af37;
  padding: 25px;
  margin-top: 30px;
  border-radius: 0 10px 10px 0;
}

.charm-header {
  font-size: 1.1rem;
  color: #3a3226;
  font-weight: 600;
  margin-bottom: 12px;
}

.charm-text-detailed {
  font-size: 1rem;
  line-height: 1.75;
  color: #4a4139;
  margin-bottom: 15px;
}

.lyrics-emphasis {
  color: #d4af37;
  font-weight: 700;
  font-style: italic;
}

.additional-charm-note {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #5a524a;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dotted #d4af37;
}

.confidence-boost {
  color: #8b4513;
  font-weight: 500;
  background: rgba(212, 175, 55, 0.05);
  padding: 2px 6px;
  border-radius: 3px;
}

.season-emphasis {
  color: #4a90e2;
  font-weight: 600;
}

.scene-suggestion {
  color: #2c7c2c;
  font-style: italic;
}

.tempo-note {
  color: #6b5d4f;
  font-style: italic;
}

.easy-note {
  background: #e8f8e8;
  padding: 2px 6px;
  border-radius: 3px;
  color: #2c7c2c;
}

.technique-highlight {
  color: #8b4513;
  font-weight: 600;
}

.atmosphere-note {
  color: #6b5d4f;
  font-style: italic;
  background: rgba(107, 93, 79, 0.05);
  padding: 2px 6px;
  border-radius: 3px;
}

.variation-note {
  color: #c9302c;
  font-weight: 500;
}

.gentle-instruction {
  color: #4a90e2;
  font-style: italic;
}

.cultural-note {
  background: rgba(212, 175, 55, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  color: #8b4513;
}

.seasonal-occasion {
  color: #e24a90;
  font-weight: 500;
}

.similarity-note {
  background: #f0ede8;
  padding: 2px 6px;
  border-radius: 3px;
  color: #3a3226;
}

.rhythm-emphasis {
  color: #d4af37;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: #d4af37;
}

.encouragement-note {
  color: #2c7c2c;
  font-weight: 500;
  font-style: italic;
}

.occasion-suggestion {
  background: rgba(74, 144, 226, 0.1);
  padding: 2px 8px;
  border-radius: 3px;
  color: #2c5f7c;
}

/* セクション終了メッセージ */
.section-closing-message-nx4 {
  margin-top: 50px;
  padding-top: 40px;
  border-top: 2px solid #f0ede8;
}

.closing-image {
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.closing-text-wrapper-kj8 {
  text-align: center;
  padding: 30px;
  background: linear-gradient(135deg, #faf9f7 0%, #f5f3f0 100%);
  border-radius: 10px;
  border: 1px solid #d4af37;
}

.closing-message-styled {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #3a3226;
  margin: 0;
  font-style: italic;
}

.final-emphasis {
  display: block;
  margin-top: 15px;
  font-size: 1.2rem;
  color: #d4af37;
  font-weight: 700;
  font-style: normal;
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
  .music-secret-symphony-section-xz9k8 {
    padding: 60px 0;
  }
  
  .main-title-gradient-effect-jk3m {
    font-size: 2.2rem;
  }
  
  .content-block-magical-three-chord-nx4k,
  .practice-method-section-vn8k,
  .basic-chords-comprehensive-section-pw5,
  .japanese-songs-section-comprehensive-nx7,
  .song-detail-container-premium-hx6 {
    padding: 30px;
  }
  
  .practice-tips-grid-layout-hk2 {
    grid-template-columns: 1fr;
  }
  
  .song-content-wrapper-detailed-nz8 {
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .music-secret-symphony-section-xz9k8 {
    padding: 40px 0;
  }
  
  .main-title-gradient-effect-jk3m {
    font-size: 1.8rem;
  }
  
  .title-icon-music-note {
    font-size: 1.8rem;
  }
  
  .subtitle-emphasis-line-vx8 {
    font-size: 1rem;
  }
  
  .content-block-magical-three-chord-nx4k,
  .practice-method-section-vn8k,
  .basic-chords-comprehensive-section-pw5,
  .japanese-songs-section-comprehensive-nx7,
  .song-detail-container-premium-hx6 {
    padding: 20px;
    border-radius: 8px;
  }
  
  .sub-heading-decorated-tm5,
  .sub-heading-with-border-left-yz4,
  .sub-heading-premium-style-kx8,
  .section-title-premium-decorated-qs9 {
    font-size: 1.5rem;
  }
  
  .chord-progression-display-box-wt9 {
    padding: 15px;
  }
  
  .chord-flow-visual {
    font-size: 1.1rem;
  }
  
  .tip-card-elegant-style-mn9 {
    padding: 20px;
  }
  
  .song-header-elegant-style-mp4 {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .song-number-circle {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  
  .song-title-main-vb7 {
    font-size: 1.3rem;
  }
  
  .tip-item-enhanced {
    padding-left: 25px;
  }
}

@media (max-width: 576px) {
  .container-fluid-wrapper-msx2025 {
    padding: 0 15px;
  }
  
  .main-title-gradient-effect-jk3m {
    font-size: 1.5rem;
  }
  
  .content-block-magical-three-chord-nx4k,
  .practice-method-section-vn8k,
  .basic-chords-comprehensive-section-pw5,
  .japanese-songs-section-comprehensive-nx7,
  .song-detail-container-premium-hx6 {
    padding: 15px;
    margin-bottom: 30px;
  }
  
  .lead-paragraph-styled-qn2,
  .body-text-standard-jm7,
  .intro-text-spacing-qt6 {
    font-size: 1rem;
  }
  
  .chord-highlight-c,
  .chord-highlight-g,
  .chord-highlight-f,
  .chord-highlight-am {
    padding: 2px 6px;
    font-size: 0.9rem;
  }
  
  .number-circle-gold,
  .title-number-badge {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }
  
  .chord-badge-c,
  .chord-badge-g,
  .chord-badge-f,
  .chord-badge-am,
  .chord-badge-d,
  .chord-badge-em {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }
  
  .chord-name-header-jk2 {
    font-size: 1.1rem;
  }
  
  .closing-text-wrapper-kj8 {
    padding: 20px;
  }
  
  .closing-message-styled {
    font-size: 1rem;
  }
  
  .final-emphasis {
    font-size: 1.1rem;
  }
}

/* プリント対応 */
@media print {
  .music-secret-symphony-section-xz9k8 {
    background: white;
    padding: 20px;
  }
  
  .content-block-magical-three-chord-nx4k,
  .practice-method-section-vn8k,
  .basic-chords-comprehensive-section-pw5,
  .japanese-songs-section-comprehensive-nx7,
  .song-detail-container-premium-hx6 {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
  
  .responsive-img-full-width {
    max-width: 100%;
    height: auto;
  }
}

/* アクセシビリティ向上 */
@media (prefers-reduced-motion: reduce) {
  .tip-card-elegant-style-mn9,
  .song-detail-container-premium-hx6 {
    transition: none;
  }
  
  .title-icon-music-note {
    animation: none;
  }
}

/* ダークモード対応（オプション） */
@media (prefers-color-scheme: dark) {
  .music-secret-symphony-section-xz9k8 {
    background: linear-gradient(135deg, #1a1815 0%, #252320 100%);
  }
  
  .content-block-magical-three-chord-nx4k,
  .practice-method-section-vn8k,
  .basic-chords-comprehensive-section-pw5,
  .japanese-songs-section-comprehensive-nx7 {
    background: #2a2725;
    color: #e5e2de;
    border-color: rgba(212, 175, 55, 0.3);
  }
  
  .main-title-gradient-effect-jk3m,
  .sub-heading-decorated-tm5,
  .sub-heading-with-border-left-yz4,
  .sub-heading-premium-style-kx8,
  .section-title-premium-decorated-qs9,
  .song-title-main-vb7 {
    color: #f5f3f0;
  }
  
  .lead-paragraph-styled-qn2,
  .body-text-standard-jm7,
  .intro-text-spacing-qt6,
  .tip-description-text,
  .chord-instruction-text,
  .song-intro-paragraph-kl5,
  .tip-item-enhanced,
  .charm-text-detailed {
    color: #d5d2ce;
  }
  
  .song-detail-container-premium-hx6 {
    background: linear-gradient(135deg, #2a2725 0%, #1f1d1b 100%);
    border-color: #3a3226;
  }
  
  .info-box-premium-style-wx3,
  .practice-encouragement-box-vz8,
  .song-charm-description-box-ky7 {
    background: linear-gradient(135deg, #2a2520 0%, #35302a 100%);
  }
  
  .chord-progression-display-box-wt9 {
    background: linear-gradient(135deg, #1a1815 0%, #252320 100%);
  }
}


/* ========================================
   洋楽の定番ソング5選 - メインセクションスタイル
   ======================================== */

.western-classic-songs-section-2025 {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, #faf8f5 0%, #f5f2ed 50%, #f0ebe4 100%);
  overflow: hidden;
}

.western-classic-songs-section-2025::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #d4a574 0%, #c4956a 50%, #d4a574 100%);
}

.wcs-container-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダーセクション */
.wcs-section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.wcs-main-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #3a2822;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.3;
  position: relative;
  display: inline-block;
}

.title-accent {
  background: linear-gradient(135deg, #3a2822 0%, #5a4038 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  animation: titleShimmer 3s ease-in-out infinite;
}

@keyframes titleShimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.title-subtitle {
  display: block;
  font-size: 0.65em;
  color: #6b5d54;
  margin-top: 8px;
  font-weight: 400;
}

.wcs-lead-text {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: #5a4038;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.text-emphasis {
  color: #d4a574;
  font-weight: 600;
  position: relative;
  padding: 0 4px;
  white-space: nowrap;
}

/* 各曲アイテムのスタイル */
.wcs-song-item {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(58, 40, 34, 0.08);
  margin-bottom: 40px;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.wcs-song-item:hover {
  box-shadow: 0 8px 30px rgba(58, 40, 34, 0.12);
  transform: translateY(-2px);
}

.wcs-song-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #d4a574, #c4956a, #d4a574);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.wcs-song-item:hover::before {
  opacity: 1;
}

/* 曲番号バッジ */
.song-number-badge {
  position: absolute;
  top: 24px;
  left: 24px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #d4a574 0%, #c4956a 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
  z-index: 2;
}

.song-content-wrapper {
  padding: 32px;
  padding-left: 100px;
}

/* 曲ヘッダー */
.song-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f0ebe4;
}

.song-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #3a2822;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.artist-name {
  font-weight: 700;
  color: #2c5530;
  position: relative;
}

.song-name {
  font-style: italic;
  color: #6b5d54;
  font-weight: 400;
}

.song-intro {
  font-size: 1.1rem;
  color: #5a4038;
  line-height: 1.6;
  margin-top: 12px;
}

.song-intro strong {
  color: #d4a574;
  font-weight: 600;
}

/* コード進行ボックス */
.chord-progression-box {
  background: linear-gradient(135deg, #faf8f5 0%, #f5f2ed 100%);
  border: 2px solid #d4a574;
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.chord-label {
  font-weight: 700;
  color: #3a2822;
  font-size: 1.1rem;
  white-space: nowrap;
}

.chord-sequence {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.chord-item {
  background: #ffffff;
  border: 2px solid #d4a574;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 1.2rem;
  font-weight: 700;
  color: #2c5530;
  transition: all 0.2s ease;
}

.chord-item:hover {
  background: #d4a574;
  color: #ffffff;
  transform: scale(1.05);
}

.chord-arrow {
  color: #c4956a;
  font-size: 1.3rem;
}

/* 演奏のコツコンテナ */
.playing-tips-container {
  background: #faf8f5;
  border-radius: 12px;
  padding: 24px;
  margin: 24px 0;
  border-left: 4px solid #d4a574;
}

.tips-heading {
  font-size: 1.3rem;
  color: #3a2822;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.tips-icon {
  flex-shrink: 0;
}

.tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tip-item {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  line-height: 1.7;
  color: #5a4038;
  font-size: 1.05rem;
}

.tip-item::before {
  content: '♪';
  position: absolute;
  left: 0;
  top: 2px;
  color: #d4a574;
  font-size: 1.2rem;
  font-weight: 700;
}

.highlight-text {
  background: linear-gradient(180deg, transparent 60%, rgba(212, 165, 116, 0.3) 60%);
  padding: 0 4px;
  color: #3a2822;
  font-weight: 600;
}

.technique-highlight {
  color: #2c5530;
  font-weight: 600;
  border-bottom: 2px dotted #d4a574;
}

/* 画像コンテナ */
.song-image-container {
  margin: 32px 0;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.song-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.song-image-container:hover .song-image {
  transform: scale(1.02);
}

.image-caption {
  background: #3a2822;
  color: #ffffff;
  padding: 12px 20px;
  font-size: 0.95rem;
  text-align: center;
  margin: 0;
}

/* 曲の魅力セクション */
.song-charm-section {
  background: linear-gradient(135deg, #ffffff 0%, #faf8f5 100%);
  border-radius: 12px;
  padding: 28px;
  margin-top: 32px;
  border: 1px solid #f0ebe4;
}

.charm-heading {
  font-size: 1.4rem;
  color: #3a2822;
  margin-bottom: 16px;
  font-weight: 700;
  position: relative;
  padding-left: 20px;
}

.charm-heading::before {
  content: '★';
  position: absolute;
  left: 0;
  color: #d4a574;
  font-size: 1.2rem;
}

.charm-content {
  line-height: 1.8;
}

.charm-text {
  color: #5a4038;
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.charm-text:last-child {
  margin-bottom: 0;
}

.bold-accent {
  color: #2c5530;
  font-weight: 700;
  font-size: 1.08em;
}

.quote-highlight {
  color: #d4a574;
  font-weight: 600;
  font-style: italic;
  padding: 0 6px;
  background: rgba(212, 165, 116, 0.08);
  border-radius: 4px;
}

.scene-text {
  color: #6b5d54;
  font-weight: 600;
  border-bottom: 1px solid #d4a574;
}

.atmosphere-text {
  color: #c4956a;
  font-weight: 600;
  font-style: italic;
}

/* CTAセクション */
.wcs-cta-container {
  margin-top: 60px;
  background: linear-gradient(135deg, #3a2822 0%, #2c5530 100%);
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.wcs-cta-container::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  animation: ctaPulse 4s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-heading {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 400;
}

.cta-heading strong {
  color: #d4a574;
  font-weight: 700;
}

.cta-text {
  color: #f0ebe4;
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto 32px;
}

.highlight-accent {
  color: #d4a574;
  font-weight: 700;
  font-size: 1.1em;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #d4a574 0%, #c4956a 100%);
  color: #ffffff;
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(212, 165, 116, 0.3);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(212, 165, 116, 0.5);
  background: linear-gradient(135deg, #c4956a 0%, #d4a574 100%);
}

.button-arrow {
  transition: transform 0.3s ease;
}

.cta-button:hover .button-arrow {
  transform: translateX(5px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .western-classic-songs-section-2025 {
    padding: 50px 0;
  }

  .wcs-section-header {
    margin-bottom: 40px;
  }

  .song-number-badge {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    top: 16px;
    left: 16px;
  }

  .song-content-wrapper {
    padding: 20px;
    padding-left: 80px;
  }

  .song-title {
    font-size: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .chord-progression-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .chord-sequence {
    width: 100%;
    justify-content: center;
  }

  .playing-tips-container {
    padding: 16px;
  }

  .wcs-cta-container {
    padding: 32px 20px;
    border-radius: 16px;
  }

  .cta-button {
    padding: 14px 28px;
    font-size: 1.05rem;
  }
}

@media (max-width: 480px) {
  .wcs-main-title {
    font-size: 1.8rem;
  }

  .song-content-wrapper {
    padding-left: 20px;
    padding-top: 70px;
  }

  .song-number-badge {
    left: 50%;
    transform: translateX(-50%);
  }

  .chord-item {
    padding: 6px 12px;
    font-size: 1rem;
  }

  .tips-heading {
    font-size: 1.1rem;
  }

  .tip-item {
    font-size: 0.95rem;
    padding-left: 24px;
  }

  .cta-button {
    width: 100%;
    justify-content: center;
  }
}

/* アクセシビリティ向上 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ダークモード対応（オプション） */
@media (prefers-color-scheme: dark) {
  .western-classic-songs-section-2025 {
    background: linear-gradient(135deg, #2a2622 0%, #252320 100%);
  }

  .wcs-song-item {
    background: #1a1815;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .wcs-main-title,
  .song-title,
  .charm-heading,
  .tips-heading {
    color: #f0ebe4;
  }

  .wcs-lead-text,
  .song-intro,
  .charm-text,
  .tip-item {
    color: #d0cbc4;
  }

  .chord-progression-box,
  .playing-tips-container {
    background: #252320;
  }

  .chord-item {
    background: #1a1815;
    border-color: #d4a574;
  }

  .song-charm-section {
    background: linear-gradient(135deg, #1a1815 0%, #252320 100%);
    border-color: #3a3632;
  }
}


	
/* ================================================
   フォークソングセクション - 高級ギター教材仕様CSS
   2025年最新SEO対応・完全レスポンシブ設計
   ================================================ */

/* メインセクションコンテナ */
.folk-song-masterpiece-collection-section-2025 {
  position: relative;
  background: linear-gradient(135deg, #f8f6f3 0%, #fafafa 50%, #f5f3f0 100%);
  padding: 80px 0;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
}

.folk-song-masterpiece-collection-section-2025::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 120%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(139, 69, 19, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.folk-song-masterpiece-collection-section-2025::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d4a574, transparent);
  opacity: 0.5;
}

/* インナーコンテナ */
.folk-song-inner-container-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* メインヘッダーブロック */
.folk-song-main-header-block {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* プライマリタイトル */
.folk-song-primary-title-element {
  font-size: 2.8rem;
  font-weight: 700;
  color: #2c1810;
  margin-bottom: 25px;
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
  line-height: 1.4;
}

.folk-song-primary-title-element::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, #d4a574, #8b4513);
  border-radius: 2px;
}

.title-accent-marker {
  color: #6b4423;
  font-weight: 400;
  font-size: 0.95em;
}

.title-emphasis-text {
  color: #8b4513;
  font-weight: 800;
  text-shadow: 1px 1px 2px rgba(139, 69, 19, 0.1);
}

.title-subtitle-bracket {
  color: #7a5c3a;
  font-size: 0.75em;
  font-weight: 500;
  margin-left: 8px;
}

/* リード説明文 */
.folk-song-lead-description {
  font-size: 1.15rem;
  color: #4a3a2a;
  line-height: 1.8;
  max-width: 800px;
  margin: 30px auto 0;
  font-weight: 400;
}

.folk-song-lead-description mark.highlight-simple {
  background: linear-gradient(120deg, rgba(212, 165, 116, 0.2) 0%, rgba(212, 165, 116, 0.1) 100%);
  padding: 2px 6px;
  border-radius: 3px;
  color: #6b4423;
  font-weight: 500;
}

.folk-song-lead-description strong {
  color: #8b4513;
  font-weight: 600;
}

.folk-song-lead-description em.emphasis-beginner {
  font-style: normal;
  color: #d4a574;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: rgba(212, 165, 116, 0.3);
  text-underline-offset: 3px;
}

/* トラックリストコンテナ */
.folk-song-track-list-container {
  margin-top: 60px;
}

/* 個別トラックアイテム */
.folk-track-item-wrapper {
  background: #ffffff;
  border-radius: 12px;
  margin-bottom: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(212, 165, 116, 0.2);
  display: flex;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.folk-track-item-wrapper:hover {
  box-shadow: 0 8px 30px rgba(139, 69, 19, 0.12);
  transform: translateY(-2px);
}

.folk-track-item-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #8b4513, #d4a574, #8b4513);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.folk-track-item-wrapper:hover::before {
  opacity: 1;
}

/* トラック番号インジケーター */
.track-number-indicator {
  width: 100px;
  background: linear-gradient(135deg, #8b4513, #6b4423);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.track-number-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* トラックコンテンツメインエリア */
.track-content-main-area {
  flex: 1;
  padding: 35px;
}

/* トラックヘッダー */
.track-header-section {
  margin-bottom: 25px;
}

.track-title-element {
  font-size: 1.8rem;
  color: #2c1810;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}

.artist-name-text {
  color: #6b4423;
  font-weight: 500;
  font-size: 0.9em;
}

.song-title-text {
  color: #8b4513;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.track-intro-description {
  font-size: 1.05rem;
  color: #5a4a3a;
  line-height: 1.7;
  margin-top: 10px;
}

.track-intro-description mark {
  background: rgba(212, 165, 116, 0.15);
  padding: 2px 5px;
  border-radius: 3px;
  color: #6b4423;
}

.track-intro-description strong {
  color: #8b4513;
  font-weight: 600;
}

/* コード進行表示エリア */
.chord-progression-display {
  background: linear-gradient(135deg, #faf8f5, #ffffff);
  border-left: 4px solid #d4a574;
  padding: 20px;
  margin: 25px 0;
  border-radius: 8px;
}

.chord-label-header {
  font-size: 0.95rem;
  color: #6b4423;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.chord-sequence-visual {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 1.2rem;
}

.chord-item {
  background: #ffffff;
  border: 2px solid #d4a574;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  min-width: 50px;
  text-align: center;
  transition: all 0.2s ease;
}

.chord-item:hover {
  background: #d4a574;
  color: #ffffff;
  transform: scale(1.05);
}

.chord-item.chord-g { border-color: #8b4513; }
.chord-item.chord-c { border-color: #d4a574; }
.chord-item.chord-d { border-color: #a0826d; }
.chord-item.chord-f { border-color: #cd853f; }
.chord-item.chord-am { border-color: #704214; }
.chord-item.chord-e { border-color: #8b6914; }

.chord-arrow {
  color: #a0826d;
  font-weight: 400;
}

/* 画像プレースホルダー */
.track-image-placeholder {
  width: 100%;
  background: linear-gradient(135deg, #f5f3f0, #e8e4de);
  border-radius: 8px;
  padding: 20px;
  margin: 25px 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(139, 69, 19, 0.2);
}

.image-instruction-note {
  text-align: center;
  color: #7a5c3a;
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.6;
  padding: 20px;
}

/* 弾き方のコツコンテナ */
.playing-tips-container {
  background: rgba(212, 165, 116, 0.05);
  border-radius: 8px;
  padding: 25px;
  margin: 25px 0;
}

.tips-heading {
  font-size: 1.3rem;
  color: #6b4423;
  font-weight: 600;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tips-icon {
  color: #d4a574;
  font-size: 1.4em;
}

.tips-list-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tip-item {
  padding: 12px 0;
  padding-left: 25px;
  position: relative;
  color: #4a3a2a;
  line-height: 1.7;
  font-size: 1.05rem;
}

.tip-item::before {
  content: '♪';
  position: absolute;
  left: 0;
  color: #d4a574;
  font-weight: 700;
}

.tip-item strong {
  color: #8b4513;
  font-weight: 600;
}

.tip-item em {
  font-style: normal;
  color: #a0826d;
  font-weight: 500;
}

.tip-item mark {
  background: rgba(212, 165, 116, 0.15);
  padding: 2px 5px;
  border-radius: 3px;
  color: #6b4423;
}

/* 曲の魅力セクション */
.song-appeal-section {
  margin: 30px 0;
  padding: 25px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(250, 248, 245, 0.8));
  border-radius: 8px;
  border: 1px solid rgba(212, 165, 116, 0.15);
}

.appeal-heading {
  font-size: 1.25rem;
  color: #6b4423;
  font-weight: 600;
  margin-bottom: 15px;
  position: relative;
  padding-left: 20px;
}

.appeal-heading::before {
  content: '🎵';
  position: absolute;
  left: 0;
}

.appeal-description,
.appeal-description-extra {
  color: #4a3a2a;
  line-height: 1.8;
  font-size: 1.05rem;
  margin-bottom: 15px;
}

.appeal-description:last-child,
.appeal-description-extra:last-child {
  margin-bottom: 0;
}

.appeal-description strong,
.appeal-description-extra strong {
  color: #8b4513;
  font-weight: 600;
}

.appeal-description em,
.appeal-description-extra em {
  font-style: italic;
  color: #a0826d;
  font-weight: 500;
}

.appeal-description mark,
.appeal-description-extra mark {
  background: linear-gradient(120deg, rgba(212, 165, 116, 0.2) 0%, rgba(212, 165, 116, 0.1) 100%);
  padding: 2px 6px;
  border-radius: 3px;
  color: #6b4423;
}

/* 個別トラックのカラーバリエーション */
.track-item-matsuyama { border-left: 5px solid #8b4513; }
.track-item-inoue { border-left: 5px solid #d4a574; }
.track-item-minami { border-left: 5px solid #a0826d; }
.track-item-yoshida { border-left: 5px solid #cd853f; }
.track-item-nakajima { border-left: 5px solid #704214; }

/* クロージングメッセージ */
.folk-song-closing-message {
  margin-top: 60px;
  background: linear-gradient(135deg, #8b4513, #6b4423);
  border-radius: 12px;
  padding: 50px 30px;
  box-shadow: 0 10px 40px rgba(139, 69, 19, 0.2);
  position: relative;
  overflow: hidden;
}

.folk-song-closing-message::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.closing-inner-wrapper {
  position: relative;
  z-index: 1;
  text-align: center;
}

.closing-title {
  font-size: 2rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.closing-icon {
  font-size: 1.3em;
  margin-right: 10px;
  vertical-align: middle;
}

.closing-description {
  color: #ffffff;
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.95;
}

.closing-description strong {
  color: #ffd700;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.closing-description mark {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.closing-description em {
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 3px;
}

.closing-image-placeholder {
  margin: 30px auto;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 20px;
  border: 2px dashed rgba(255, 255, 255, 0.3);
}

.closing-image-placeholder .image-instruction-note {
  color: rgba(255, 255, 255, 0.8);
}

/* クロージングCTAエリア */
.closing-cta-area {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-message {
  font-size: 1.2rem;
  color: #ffffff;
  line-height: 1.8;
  font-weight: 500;
}

.cta-message strong {
  color: #ffd700;
  font-size: 1.1em;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.cta-message mark {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.3), rgba(255, 255, 255, 0.2));
  color: #ffffff;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 600;
}

/* ===================================
   レスポンシブデザイン
   =================================== */

/* タブレット表示 (768px - 1024px) */
@media screen and (max-width: 1024px) {
  .folk-song-inner-container-wrapper {
    max-width: 100%;
    padding: 0 30px;
  }
  
  .folk-song-primary-title-element {
    font-size: 2.3rem;
  }
  
  .folk-track-item-wrapper {
    flex-direction: column;
  }
  
  .track-number-indicator {
    width: 100%;
    height: 80px;
  }
  
  .track-content-main-area {
    padding: 30px 25px;
  }
  
  .chord-sequence-visual {
    font-size: 1.1rem;
  }
}

/* スマートフォン表示 (768px以下) */
@media screen and (max-width: 768px) {
  .folk-song-masterpiece-collection-section-2025 {
    padding: 60px 0;
  }
  
  .folk-song-inner-container-wrapper {
    padding: 0 20px;
  }
  
  .folk-song-primary-title-element {
    font-size: 1.8rem;
    line-height: 1.5;
  }
  
  .title-subtitle-bracket {
    display: block;
    margin-top: 5px;
    margin-left: 0;
  }
  
  .folk-song-lead-description {
    font-size: 1rem;
    padding: 0 10px;
  }
  
  .track-title-element {
    font-size: 1.4rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
  
  .artist-name-text {
    font-size: 1rem;
  }
  
  .track-content-main-area {
    padding: 25px 20px;
  }
  
  .chord-progression-display {
    padding: 15px;
  }
  
  .chord-sequence-visual {
    font-size: 1rem;
    gap: 8px;
  }
  
  .chord-item {
    padding: 6px 12px;
    min-width: 45px;
  }
  
  .playing-tips-container,
  .song-appeal-section {
    padding: 20px 15px;
  }
  
  .tips-heading,
  .appeal-heading {
    font-size: 1.15rem;
  }
  
  .tip-item,
  .appeal-description,
  .appeal-description-extra {
    font-size: 0.95rem;
  }
  
  .folk-song-closing-message {
    padding: 40px 20px;
    border-radius: 8px;
  }
  
  .closing-title {
    font-size: 1.5rem;
  }
  
  .closing-description {
    font-size: 1rem;
  }
  
  .cta-message {
    font-size: 1.05rem;
  }
}

/* 小型スマートフォン表示 (480px以下) */
@media screen and (max-width: 480px) {
  .folk-song-masterpiece-collection-section-2025 {
    padding: 40px 0;
  }
  
  .folk-song-inner-container-wrapper {
    padding: 0 15px;
  }
  
  .folk-song-primary-title-element {
    font-size: 1.5rem;
  }
  
  .folk-song-lead-description {
    font-size: 0.9rem;
  }
  
  .folk-song-main-header-block {
    margin-bottom: 40px;
  }
  
  .folk-track-item-wrapper {
    margin-bottom: 25px;
    border-radius: 8px;
  }
  
  .track-number-indicator {
    height: 60px;
  }
  
  .track-number-circle {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }
  
  .track-title-element {
    font-size: 1.2rem;
  }
  
  .track-intro-description {
    font-size: 0.9rem;
  }
  
  .track-content-main-area {
    padding: 20px 15px;
  }
  
  .chord-progression-display {
    padding: 12px;
    margin: 20px 0;
  }
  
  .chord-label-header {
    font-size: 0.85rem;
  }
  
  .chord-sequence-visual {
    font-size: 0.9rem;
    gap: 5px;
  }
  
  .chord-item {
    padding: 5px 10px;
    min-width: 40px;
    font-size: 0.85rem;
  }
  
  .playing-tips-container,
  .song-appeal-section {
    padding: 15px 12px;
    margin: 20px 0;
  }
  
  .tips-heading,
  .appeal-heading {
    font-size: 1rem;
  }
  
  .tips-list-items {
    padding-left: 0;
  }
  
  .tip-item {
    padding-left: 20px;
    padding-top: 8px;
    padding-bottom: 8px;
    font-size: 0.85rem;
  }
  
  .appeal-description,
  .appeal-description-extra {
    font-size: 0.85rem;
    line-height: 1.6;
  }
  
  .folk-song-closing-message {
    padding: 30px 15px;
    margin-top: 40px;
  }
  
  .closing-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
  }
  
  .closing-icon {
    display: block;
    margin-bottom: 10px;
  }
  
  .closing-description {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  .closing-image-placeholder {
    margin: 20px auto;
    padding: 15px;
  }
  
  .cta-message {
    font-size: 0.95rem;
    line-height: 1.6;
  }
}

/* ===================================
   印刷用スタイル
   =================================== */
@media print {
  .folk-song-masterpiece-collection-section-2025 {
    background: white;
    box-shadow: none;
    padding: 20px 0;
  }
  
  .folk-track-item-wrapper {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
    margin-bottom: 20px;
  }
  
  .track-number-indicator {
    background: #f0f0f0;
    color: #333;
  }
  
  .track-number-circle {
    background: white;
    color: #333;
  }
  
  .chord-progression-display {
    background: #f9f9f9;
    border-left-color: #666;
  }
  
  .folk-song-closing-message {
    background: #f0f0f0;
    color: #333;
    box-shadow: none;
  }
  
  .closing-description,
  .cta-message {
    color: #333;
  }
  
  .track-image-placeholder,
  .closing-image-placeholder {
    display: none;
  }
}

/* ===================================
   アクセシビリティ向上
   =================================== */

/* フォーカススタイル */
.folk-track-item-wrapper:focus-within {
  outline: 3px solid #d4a574;
  outline-offset: 2px;
}

.chord-item:focus {
  outline: 2px solid #8b4513;
  outline-offset: 2px;
}

/* ハイコントラストモード対応 */
@media (prefers-contrast: high) {
  .folk-song-masterpiece-collection-section-2025 {
    background: white;
    border: 2px solid black;
  }
  
  .folk-track-item-wrapper {
    border: 2px solid black;
  }
  
  .track-number-indicator {
    background: black;
    color: white;
  }
  
  .chord-item {
    border-width: 3px;
  }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
  .folk-song-masterpiece-collection-section-2025 {
    background: linear-gradient(135deg, #1a1512, #0f0d0b);
  }
  
  .folk-track-item-wrapper {
    background: #1f1915;
    border-color: rgba(212, 165, 116, 0.3);
  }
  
  .folk-song-primary-title-element,
  .track-title-element {
    color: #f0e6d8;
  }
  
  .folk-song-lead-description,
  .track-intro-description,
  .tip-item,
  .appeal-description {
    color: #d0c4b4;
  }
  
  .chord-progression-display {
    background: rgba(42, 35, 28, 0.6);
  }
  
  .chord-item {
    background: #2a231c;
    color: #f0e6d8;
  }
  
  .track-image-placeholder {
    background: #1a1512;
  }
}

/* ===================================
   アニメーション（控えめ）
   =================================== */

/* 動きを減らす設定のユーザー向け */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .folk-song-closing-message::before {
    animation: none;
  }
  
  .folk-track-item-wrapper:hover {
    transform: none;
  }
}

/* 軽微なホバーエフェクト */
.chord-item {
  transition: all 0.2s ease;
}

.folk-track-item-wrapper {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

/* スクロールトリガーアニメーション（控えめ） */
.folk-track-item-wrapper {
  opacity: 0;
  transform: translateY(10px);
  animation: gentleFadeIn 0.6s ease forwards;
}

.folk-track-item-wrapper:nth-child(1) { animation-delay: 0.1s; }
.folk-track-item-wrapper:nth-child(2) { animation-delay: 0.2s; }
.folk-track-item-wrapper:nth-child(3) { animation-delay: 0.3s; }
.folk-track-item-wrapper:nth-child(4) { animation-delay: 0.4s; }
.folk-track-item-wrapper:nth-child(5) { animation-delay: 0.5s; }

@keyframes gentleFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================================
   パフォーマンス最適化
   =================================== */

/* GPUアクセラレーション */
.folk-track-item-wrapper,
.chord-item,
.folk-song-closing-message::before {
  will-change: transform;
  transform: translateZ(0);
}

/* レイアウトシフト防止 */
.track-image-placeholder {
  aspect-ratio: 16 / 9;
  min-height: 200px;
}

.closing-image-placeholder {
  aspect-ratio: 16 / 10;
  min-height: 150px;
}

/* ===================================
   ブラウザ互換性
   =================================== */

/* Safari対応 */
@supports (-webkit-appearance: none) {
  .folk-song-masterpiece-collection-section-2025 {
    -webkit-backdrop-filter: blur(10px);
  }
  
  .chord-item {
    -webkit-transform: translateZ(0);
  }
}

/* Firefox対応 */
@-moz-document url-prefix() {
  .folk-track-item-wrapper {
    scroll-behavior: smooth;
  }
}

/* Edge/IE対応フォールバック */
@supports (-ms-ime-align: auto) {
  .folk-song-masterpiece-collection-section-2025 {
    background: #f8f6f3;
  }
  
  .chord-progression-display {
    background: #faf8f5;
  }
}


/* ====================================
   弾き語りマスターピースセクション - プレミアムCSS
   高級ギター教材のためのシックなデザイン
==================================== */

/* メインセクション設定 */
.hikigatari-masterpiece-section-2025 {
  background: linear-gradient(135deg, #1a1a1a 0%, #2c2420 50%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  color: #f5f5f5;
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
  min-height: 100vh;
}

.hikigatari-masterpiece-section-2025::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23d4af37" opacity="0.3"/></svg>') repeat;
  opacity: 0.1;
  pointer-events: none;
}

/* コンテナラッパー */
.hikigatari-container-wrapper-prime {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ヘッダーゾーン */
.hikigatari-header-zone-alpha {
  margin-bottom: 60px;
  animation: fadeIn-Up 0.8s ease-out;
}

/* メインタイトル */
.hikigatari-main-title-majestic {
  font-size: 3.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 20px;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hikigatari-main-title-majestic::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #d4af37, transparent);
  animation: shimmer 2s infinite;
}

/* タイトルアクセント */
.title-accent-gold {
  color: #d4af37;
  font-weight: 800;
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

/* 導入文セクション */
.hikigatari-intro-passage-elite {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 15px;
  padding: 40px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 175, 55, 0.2);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.intro-text-sophisticated {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #e8e8e8;
  margin-bottom: 25px;
  text-align: justify;
}

.text-emphasis-premium {
  color: #d4af37;
  font-weight: 700;
  padding: 2px 6px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 3px;
}

.highlight-amber {
  color: #ffa500;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(255, 165, 0, 0.3);
}

.text-gradient-gold {
  background: linear-gradient(45deg, #d4af37, #f4e4c1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* 推奨商品バナー */
.product-recommendation-banner-luxury {
  margin: 30px 0;
  text-align: center;
  padding: 20px;
  background: rgba(212, 175, 55, 0.05);
  border-radius: 10px;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.banner-image-premium {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.4);
}

.recommendation-text-elegant {
  margin-top: 15px;
  font-size: 0.95rem;
  color: #d4af37;
  font-style: italic;
}

.brand-highlight {
  color: #d4af37;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(212, 175, 55, 0.3);
  text-underline-offset: 3px;
}

.emphasis-coral {
  color: #ff7f50;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(255, 127, 80, 0.4);
}

/* 魅力セクション */
.hikigatari-charm-section-royal {
  margin-bottom: 60px;
  animation: fadeIn-Left 0.8s ease-out 0.2s both;
}

.subsection-title-premium {
  font-size: 2.2rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 15px;
  position: relative;
  padding-left: 30px;
}

.subsection-title-premium::before {
  content: "";
  position: absolute;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #d4af37, #f4e4c1);
  border-radius: 2px;
}

.icon-music-note,
.icon-check-circle,
.icon-playlist {
  font-size: 1.8rem;
  color: #d4af37;
  animation: pulse 2s infinite;
}

.charm-content-wrapper-deluxe {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  padding: 35px;
  backdrop-filter: blur(5px);
}

.charm-description-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e0e0e0;
  margin-bottom: 30px;
}

.text-bold-gold {
  color: #d4af37;
  font-weight: 700;
  font-size: 1.1em;
}

.highlight-effect {
  background: linear-gradient(transparent 60%, rgba(212, 175, 55, 0.3) 60%);
  padding: 2px 0;
}

/* フィーチャーカード */
.feature-cards-container-elite {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.feature-card-item-luxury {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 10px;
  padding: 25px;
  transition: all 0.3s ease;
  cursor: default;
}

.feature-card-item-luxury:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.card-title-refined {
  font-size: 1.3rem;
  font-weight: 600;
  color: #d4af37;
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding-bottom: 10px;
}

.card-description-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #d0d0d0;
}

.story-highlight {
  color: #ffa500;
  font-weight: 600;
  font-style: italic;
}

/* 成功事例画像 */
.success-story-image-zone {
  margin: 40px 0;
  text-align: center;
}

.story-image-premium {
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  border: 2px solid rgba(212, 175, 55, 0.2);
}

.image-caption-elegant {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #b8b8b8;
  font-style: italic;
}

/* 準備セクション */
.preparation-section-supreme {
  margin-bottom: 60px;
  animation: fadeIn-Right 0.8s ease-out 0.4s both;
}

.preparation-content-luxurious {
  background: rgba(30, 30, 30, 0.4);
  border-radius: 15px;
  padding: 40px;
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.preparation-intro-text {
  font-size: 1.05rem;
  color: #e0e0e0;
  margin-bottom: 35px;
  text-align: center;
}

/* ポイントブロック */
.preparation-point-block-elegant {
  background: rgba(255, 255, 255, 0.02);
  border-left: 4px solid #d4af37;
  margin-bottom: 30px;
  padding: 30px;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.preparation-point-block-elegant::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1), transparent);
  border-radius: 50%;
}

.point-title-sophisticated {
  font-size: 1.4rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.point-number-gold {
  display: inline-flex;
  width: 35px;
  height: 35px;
  background: linear-gradient(135deg, #d4af37, #f4e4c1);
  color: #1a1a1a;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.point-content-wrapper {
  padding-left: 50px;
}

.point-description-refined {
  font-size: 1rem;
  line-height: 1.8;
  color: #d8d8d8;
  margin-bottom: 20px;
}

.warning-text {
  color: #ff6b6b;
  font-weight: 600;
}

/* 声域ガイド */
.voice-range-guide-premium {
  background: rgba(212, 175, 55, 0.05);
  border-radius: 10px;
  padding: 25px;
  margin: 20px 0;
}

.guide-text-detailed {
  font-size: 0.95rem;
  color: #e0e0e0;
  margin-bottom: 20px;
}

.range-info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.range-card-male,
.range-card-female {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.range-card-male h6,
.range-card-female h6 {
  color: #d4af37;
  font-size: 1rem;
  margin-bottom: 10px;
}

.disclaimer-text-subtle {
  font-size: 0.85rem;
  color: #999;
  font-style: italic;
  text-align: center;
  margin-top: 15px;
}

/* カポ使用例 */
.capo-example-image-zone {
  margin: 25px 0;
  text-align: center;
}

.example-image-refined {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 25px rgba(0,0,0,0.4);
}

.example-caption-text {
  margin-top: 12px;
  font-size: 0.9rem;
  color: #b0b0b0;
  font-style: italic;
}

.capo-example-box-premium {
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 8px;
  padding: 20px;
  margin-top: 20px;
}

.example-text-detailed {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #e0e0e0;
}

.highlight-technique {
  color: #ffa500;
  font-weight: 600;
}

/* リズムパターン */
.rhythm-patterns-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
  margin: 25px 0;
}

.pattern-item-luxury {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.pattern-item-luxury:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: scale(1.02);
}

.pattern-name {
  color: #d4af37;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pattern-notation {
  color: #ffffff;
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 5px;
  border-radius: 4px;
}

/* バランスのヒント */
.balance-tips-premium {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid #d4af37;
  padding: 20px;
  margin-top: 20px;
}

.tip-text-sophisticated {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #d8d8d8;
}

.device-mention {
  color: #87ceeb;
  font-weight: 500;
}

.balance-emphasis {
  color: #d4af37;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

/* おすすめ曲セクション */
.recommended-songs-section-imperial {
  margin-bottom: 60px;
  animation: fadeIn-Up 0.8s ease-out 0.6s both;
}

.songs-intro-wrapper-deluxe {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 40px;
}

.songs-intro-text-refined {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e0e0e0;
  margin-bottom: 25px;
}

/* 選定基準リスト */
.criteria-list-premium {
  background: rgba(212, 175, 55, 0.05);
  border-radius: 10px;
  padding: 25px;
}

.criteria-items-elegant {
  list-style: none;
  padding: 0;
  margin: 0;
}

.criteria-item {
  font-size: 1rem;
  color: #e8e8e8;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.check-mark-gold {
  color: #d4af37;
  font-size: 1.2rem;
  font-weight: 700;
}

/* ジャンルセクション */
.genre-section-majestic {
  margin-bottom: 50px;
}

.genre-title-luxurious {
  font-size: 1.8rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  padding: 15px 25px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.2), transparent);
  border-left: 4px solid #d4af37;
  display: flex;
  align-items: center;
  gap: 15px;
}

.genre-icon-jpop,
.genre-icon-folk,
.genre-icon-western,
.genre-icon-anime {
  font-size: 1.5rem;
}

/* 曲リストコンテナ */
.song-list-container-supreme {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

/* 曲アイテムブロック */
.song-item-block-premium {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.song-item-block-premium:hover {
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.15);
  transform: translateY(-2px);
}

.song-header-elegant {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.15), transparent);
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.song-title-refined {
  font-size: 1.3rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 0;
}

.song-number-circle {
  display: inline-flex;
  width: 30px;
  height: 30px;
  background: #d4af37;
  color: #1a1a1a;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.song-difficulty-badge {
  background: rgba(212, 175, 55, 0.2);
  color: #d4af37;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.song-content-luxurious {
  padding: 25px;
}

.song-description-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #d8d8d8;
  margin-bottom: 20px;
}

/* コード進行ボックス */
.chord-progression-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.chord-label {
  color: #d4af37;
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0;
}

.chord-sequence {
  color: #ffffff;
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin: 0;
}

/* 演奏ポイント */
.playing-points-elegant {
  background: rgba(212, 175, 55, 0.03);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.points-title {
  color: #d4af37;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.points-list-refined {
  list-style: none;
  padding-left: 20px;
  margin: 0;
}

.points-list-refined li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #d0d0d0;
  margin-bottom: 10px;
  position: relative;
}

.points-list-refined li::before {
  content: "▸";
  position: absolute;
  left: -20px;
  color: #d4af37;
}

/* おすすめ理由 */
.recommendation-reason-premium {
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid #d4af37;
  padding: 20px;
  border-radius: 6px;
}

.reason-label {
  color: #d4af37;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.reason-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #e0e0e0;
}

/* ハイライトスパン */
.highlight-impact,
.versatile-highlight,
.emotional-impact,
.deep-impact,
.unique-atmosphere,
.beginner-friendly,
.wedding-favorite,
.japanese-soul,
.memorable-phrase,
.personal-interpretation,
.global-appeal,
.energizing-effect,
.timeless-classic,
.simple-beauty,
.chorus-ready,
.unity-effect,
.anime-popularity,
.challenge-worthy,
.generational-appeal,
.all-ages,
.emotional-masterpiece,
.dramatic-improvement,
.capo-tip,
.capo-info {
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
}

.highlight-impact { 
  color: #ff6b6b; 
  background: rgba(255, 107, 107, 0.1); 
}
.versatile-highlight { 
  color: #4ecdc4; 
  background: rgba(78, 205, 196, 0.1); 
}
.emotional-impact { 
  color: #95e1d3; 
  background: rgba(149, 225, 211, 0.1); 
}
.deep-impact { 
  color: #f38181; 
  background: rgba(243, 129, 129, 0.1); 
}
.unique-atmosphere { 
  color: #aa96da; 
  background: rgba(170, 150, 218, 0.1); 
}
.beginner-friendly { 
  color: #8fd9a8; 
  background: rgba(143, 217, 168, 0.1); 
}
.wedding-favorite { 
  color: #ffb6b9; 
  background: rgba(255, 182, 185, 0.1); 
}
.japanese-soul { 
  color: #ffd93d; 
  background: rgba(255, 217, 61, 0.1); 
}
.capo-tip, .capo-info {
  color: #6bcb77;
  background: rgba(107, 203, 119, 0.1);
}

/* CTA セクション */
.cta-section-imperial {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(0, 0, 0, 0.5));
  border-radius: 20px;
  padding: 60px;
  margin: 60px 0;
  border: 2px solid rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-section-imperial::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1), transparent);
  animation: rotate 20s linear infinite;
}

.cta-content-wrapper-luxury {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-title-majestic {
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 25px;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.4);
}

.cta-accent-gold {
  background: linear-gradient(45deg, #d4af37, #f4e4c1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-description-refined {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #e8e8e8;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.product-name-emphasis {
  color: #d4af37;
  font-weight: 700;
  font-size: 1.15em;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* CTA フィーチャーグリッド */
.cta-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.cta-feature-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 12px;
  padding: 25px;
  transition: all 0.3s ease;
}

.cta-feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.feature-icon-premium {
  font-size: 2rem;
  margin-bottom: 15px;
  display: block;
}

.feature-title {
  color: #d4af37;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-description {
  color: #d0d0d0;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTAボタン */
.cta-button-wrapper {
  margin: 40px 0;
}

.cta-button-premium {
  display: inline-block;
  background: linear-gradient(135deg, #d4af37, #f4e4c1);
  color: #1a1a1a;
  padding: 20px 50px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-button-premium::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.cta-button-premium:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(212, 175, 55, 0.5);
}

.cta-button-premium:hover::before {
  width: 300px;
  height: 300px;
}

.button-text-main {
  display: block;
  font-size: 1.1rem;
}

.button-text-sub {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  margin-top: 5px;
  opacity: 0.8;
}

/* お客様の声 */
.cta-testimonials {
  margin-top: 40px;
}

.testimonial-text {
  font-size: 1rem;
  color: #e0e0e0;
  font-style: italic;
  margin-bottom: 15px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border-left: 3px solid #d4af37;
}

.testimonial-author {
  color: #d4af37;
  font-style: normal;
  font-weight: 600;
  margin-left: 15px;
}

/* 最終画像セクション */
.closing-image-section {
  margin-top: 60px;
  text-align: center;
}

.closing-image-premium {
  width: 100%;
  max-width: 900px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.6);
  border: 3px solid rgba(212, 175, 55, 0.3);
}

.closing-caption {
  margin-top: 20px;
  font-size: 1.1rem;
  color: #d4af37;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* アニメーション定義 */
@keyframes fadeIn-Up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn-Left {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn-Right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
  .hikigatari-main-title-majestic {
    font-size: 2.5rem;
  }
  
  .subsection-title-premium {
    font-size: 1.8rem;
  }
  
  .cta-section-imperial {
    padding: 40px;
  }
  
  .cta-title-majestic {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .hikigatari-masterpiece-section-2025 {
    padding: 60px 0;
  }
  
  .hikigatari-main-title-majestic {
    font-size: 2rem;
  }
  
  .subsection-title-premium {
    font-size: 1.5rem;
    padding-left: 20px;
  }
  
  .hikigatari-intro-passage-elite,
  .preparation-content-luxurious {
    padding: 25px;
  }
  
  .feature-cards-container-elite {
    grid-template-columns: 1fr;
  }
  
  .point-content-wrapper {
    padding-left: 0;
  }
  
  .cta-section-imperial {
    padding: 30px 20px;
  }
  
  .cta-button-premium {
    padding: 15px 30px;
    font-size: 1rem;
  }
  
  .cta-features-grid {
    grid-template-columns: 1fr;
  }
  
  .song-header-elegant {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .rhythm-patterns-showcase {
    grid-template-columns: 1fr;
  }
  
  .range-info-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hikigatari-masterpiece-section-2025 {
    padding: 40px 0;
  }
  
  .hikigatari-container-wrapper-prime {
    padding: 0 15px;
  }
  
  .hikigatari-main-title-majestic {
    font-size: 1.6rem;
  }
  
  .subsection-title-premium {
    font-size: 1.3rem;
  }
  
  .intro-text-sophisticated {
    font-size: 1rem;
    text-align: left;
  }
  
  .hikigatari-intro-passage-elite,
  .preparation-content-luxurious {
    padding: 20px;
  }
  
  .preparation-point-block-elegant {
    padding: 20px;
  }
  
  .cta-title-majestic {
    font-size: 1.5rem;
  }
  
  .cta-description-refined {
    font-size: 1rem;
  }
  
  .song-title-refined {
    font-size: 1.1rem;
  }
  
  .chord-progression-box {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .chord-sequence {
    font-size: 0.95rem;
  }
}

/* 印刷用スタイル */
@media print {
  .hikigatari-masterpiece-section-2025 {
    background: white;
    color: #000;
  }
  
  .hikigatari-main-title-majestic,
  .subsection-title-premium,
  .genre-title-luxurious,
  .card-title-refined,
  .point-title-sophisticated {
    color: #000;
  }
  
  .intro-text-sophisticated,
  .charm-description-text,
  .card-description-text,
  .point-description-refined,
  .song-description-text,
  .points-list-refined li,
  .reason-text {
    color: #333;
  }
  
  .cta-section-imperial,
  .product-recommendation-banner-luxury {
    display: none;
  }
  
  .feature-card-item-luxury,
  .preparation-point-block-elegant,
  .song-item-block-premium {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

/* アクセシビリティ対応 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ハイコントラストモード対応 */
@media (prefers-contrast: high) {
  .hikigatari-masterpiece-section-2025 {
    background: #000;
  }
  
  .intro-text-sophisticated,
  .charm-description-text,
  .song-description-text {
    color: #fff;
  }
  
  .feature-card-item-luxury,
  .preparation-point-block-elegant,
  .song-item-block-premium {
    border-width: 2px;
  }
}


/* 中級者向けソロギターセクション - プレミアムスタイリング */

/* メインセクションコンテナ */
.solo-guitar-masterclass-section-v2025 {
    background: linear-gradient(135deg, #f8f6f3 0%, #fdfcfa 50%, #f5f2ed 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.solo-guitar-masterclass-section-v2025::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #b8860b, #d4af37, #b8860b);
    animation: shimmerEffect 3s ease-in-out infinite;
}

@keyframes shimmerEffect {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* メインコンテナ */
.sgm-container-premium {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダーラッパー */
.sgm-header-wrapper-elite {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

/* メインタイトル */
.sgm-main-title-gradient {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, #2c3e50, #34495e, #b8860b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* サブタイトル */
.sgm-subtitle-elegant {
    font-size: 20px;
    color: #5a6c7d;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin: 0;
}

/* コンテンツブロック */
.sgm-content-block-luxury {
    background: white;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e8e5e0;
    position: relative;
    transition: all 0.3s ease;
}

.sgm-content-block-luxury:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* セクションタイトル */
.sgm-section-title-premium {
    font-size: 32px;
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid #d4af37;
    display: flex;
    align-items: center;
    gap: 15px;
}

.sgm-icon-musical {
    color: #b8860b;
    font-size: 28px;
}

/* テキストラッパー */
.sgm-text-wrapper-refined {
    line-height: 1.8;
}

/* パラグラフ */
.sgm-paragraph-sophisticated {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.9;
    margin-bottom: 25px;
    text-align: justify;
}

/* 強調テキスト */
.sgm-emphasis-gold {
    color: #b8860b;
    font-weight: 700;
    background: linear-gradient(180deg, transparent 60%, rgba(212, 175, 55, 0.2) 60%);
    padding: 0 4px;
}

.sgm-highlight-elegant {
    background: linear-gradient(180deg, transparent 60%, rgba(52, 73, 94, 0.1) 60%);
    padding: 0 4px;
    color: #34495e;
    font-weight: 600;
}

.sgm-text-accent {
    color: #d35400;
    font-weight: 600;
    font-style: italic;
}

/* 画像コンテナ */
.sgm-image-container-premium {
    margin: 30px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.sgm-image-responsive {
    width: 100%;
    height: auto;
    display: block;
}

.sgm-image-caption {
    background: #f8f6f3;
    padding: 15px;
    font-size: 14px;
    color: #718096;
    font-style: italic;
    text-align: center;
    margin: 0;
}

/* スキルグリッド */
.sgm-skill-grid-professional {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.sgm-skill-card-elite {
    background: linear-gradient(135deg, #fdfcfa, #f8f6f3);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #d4af37;
    transition: all 0.3s ease;
}

.sgm-skill-card-elite:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.sgm-skill-title-refined {
    font-size: 18px;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 12px;
}

.sgm-skill-description {
    font-size: 15px;
    color: #5a6c7d;
    line-height: 1.7;
}

/* 注目セクション */
.sgm-featured-section {
    background: linear-gradient(135deg, #fefefe, #faf8f5) !important;
    border: 2px solid #d4af37;
    position: relative;
}

.sgm-title-emphasized {
    font-size: 36px;
    background: linear-gradient(135deg, #b8860b, #d4af37);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* イントロテキスト */
.sgm-intro-text-luxury {
    background: #fdfcfa;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 40px;
}

/* 基準リスト */
.sgm-criteria-list-elegant {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.sgm-criteria-item {
    position: relative;
    padding-left: 35px;
    margin-bottom: 15px;
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
}

.sgm-criteria-item::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #d4af37;
    font-size: 20px;
    font-weight: bold;
}

/* カテゴリーセクション */
.sgm-category-section-premium {
    margin: 50px 0;
    padding: 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
}

.sgm-category-title-elite {
    font-size: 28px;
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 35px;
    padding-bottom: 15px;
    border-bottom: 2px solid #d4af37;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sgm-category-icon {
    font-size: 32px;
    animation: gentleBounce 2s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* 曲アーティクル */
.sgm-song-article-luxury {
    margin-bottom: 45px;
    padding: 30px;
    background: linear-gradient(135deg, #fdfcfa, #ffffff);
    border-radius: 10px;
    border: 1px solid #e8e5e0;
    position: relative;
    transition: all 0.3s ease;
}

.sgm-song-article-luxury:hover {
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.15);
}

.sgm-song-title-refined {
    font-size: 22px;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sgm-number-badge {
    background: linear-gradient(135deg, #d4af37, #b8860b);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
}

.sgm-song-intro {
    font-size: 16px;
    color: #5a6c7d;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* テクニカルボックス */
.sgm-technical-box-elite {
    background: #f8f6f3;
    border-left: 4px solid #34495e;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.sgm-box-title {
    font-size: 16px;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 15px;
}

.sgm-technical-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sgm-technical-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
}

.sgm-technical-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #b8860b;
    font-weight: bold;
}

/* 練習ボックス */
.sgm-practice-box-premium {
    background: linear-gradient(135deg, #fef9f3, #fff8f0);
    border-left: 4px solid #d35400;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.sgm-practice-text {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.8;
}

/* 魅力ボックス */
.sgm-charm-box-luxury {
    background: linear-gradient(135deg, #f5fdf5, #f0faf0);
    border-left: 4px solid #27ae60;
    padding: 20px;
    border-radius: 6px;
}

.sgm-charm-text {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.8;
}

/* まとめセクション */
.sgm-conclusion-section-premium {
    margin-top: 60px;
    padding: 50px;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.sgm-conclusion-section-premium::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    animation: rotateGradient 20s linear infinite;
}

@keyframes rotateGradient {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.sgm-conclusion-wrapper {
    position: relative;
    z-index: 1;
}

.sgm-conclusion-title {
    font-size: 32px;
    color: white;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: center;
}

.sgm-conclusion-text {
    font-size: 18px;
    color: #ecf0f1;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 30px;
}

/* CTAボックス */
.sgm-cta-box-luxury {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.sgm-cta-text {
    font-size: 20px;
    color: #ecf0f1;
    margin-bottom: 25px;
}

.sgm-cta-button-premium {
    display: inline-block;
    background: linear-gradient(135deg, #d4af37, #b8860b);
    color: white;
    padding: 18px 45px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}

.sgm-cta-button-premium:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.6);
    background: linear-gradient(135deg, #b8860b, #d4af37);
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .sgm-main-title-gradient {
        font-size: 40px;
    }
    
    .sgm-section-title-premium {
        font-size: 28px;
    }
    
    .sgm-skill-grid-professional {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sgm-container-premium {
        padding: 0 15px;
    }
    
    .sgm-main-title-gradient {
        font-size: 32px;
    }
    
    .sgm-subtitle-elegant {
        font-size: 16px;
    }
    
    .sgm-section-title-premium {
        font-size: 24px;
        flex-direction: column;
        text-align: center;
    }
    
    .sgm-content-block-luxury {
        padding: 25px;
    }
    
    .sgm-skill-grid-professional {
        grid-template-columns: 1fr;
    }
    
    .sgm-category-section-premium {
        padding: 25px;
    }
    
    .sgm-song-article-luxury {
        padding: 20px;
    }
    
    .sgm-conclusion-section-premium {
        padding: 30px 20px;
    }
    
    .sgm-cta-button-premium {
        padding: 15px 35px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .solo-guitar-masterclass-section-v2025 {
        padding: 60px 0;
    }
    
    .sgm-main-title-gradient {
        font-size: 28px;
    }
    
    .sgm-subtitle-elegant {
        font-size: 14px;
    }
    
    .sgm-section-title-premium {
        font-size: 20px;
    }
    
    .sgm-paragraph-sophisticated {
        font-size: 14px;
        text-align: left;
    }
    
    .sgm-content-block-luxury {
        padding: 20px 15px;
        margin-bottom: 25px;
    }
    
    .sgm-category-title-elite {
        font-size: 22px;
    }
    
    .sgm-song-title-refined {
        font-size: 18px;
    }
    
    .sgm-number-badge {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .sgm-technical-box-elite,
    .sgm-practice-box-premium,
    .sgm-charm-box-luxury {
        padding: 15px;
    }
    
    .sgm-conclusion-title {
        font-size: 24px;
    }
    
    .sgm-conclusion-text {
        font-size: 16px;
    }
    
    .sgm-cta-text {
        font-size: 16px;
    }
    
    .sgm-cta-button-premium {
        padding: 12px 30px;
        font-size: 15px;
        width: 100%;
        max-width: 280px;
    }
}

/* アクセシビリティ改善 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ダークモード対応（オプション） */
@media (prefers-color-scheme: dark) {
    .solo-guitar-masterclass-section-v2025 {
        background: linear-gradient(135deg, #1a1a1a, #2d2d2d, #1a1a1a);
    }
    
    .sgm-content-block-luxury {
        background: #2d2d2d;
        border-color: #4a4a4a;
    }
    
    .sgm-paragraph-sophisticated,
    .sgm-skill-description,
    .sgm-song-intro,
    .sgm-practice-text,
    .sgm-charm-text {
        color: #b0b0b0;
    }
    
    .sgm-section-title-premium,
    .sgm-skill-title-refined,
    .sgm-category-title-elite,
    .sgm-song-title-refined {
        color: #ecf0f1;
    }
}