/* ===================================================================
   ギター教室専用スタイル
   =================================================================== */

/* ─── 講師セクション ─── */
.guitar-instructor {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-warm);
  padding: 56px 48px;
  border-radius: var(--radius);
}
.guitar-instructor-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--green-lt);
}
.guitar-instructor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.guitar-instructor-content h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--fs-h3);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: var(--ls-base);
}
.guitar-instructor-role {
  font-size: 12px;
  letter-spacing: var(--ls-eyebrow);
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.guitar-instructor-content p {
  font-size: var(--fs-body);
  line-height: 2;
  color: var(--text-mid);
  margin-bottom: 20px;
}

/* ─── Problem（ギターが続かない理由） ─── */
.guitar-problem-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
.guitar-problem-item {
  background: #fff;
  border-left: 3px solid var(--amber);
  padding: 28px 32px;
  border-radius: var(--radius);
  position: relative;
}
.guitar-problem-num {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: .9rem;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.guitar-problem-item p {
  font-size: var(--fs-body);
  color: var(--text);
  line-height: 1.9;
}

/* ─── How（レッスンの進め方） ─── */
.guitar-how-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}
.guitar-how-step {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 40px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.guitar-how-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 600;
}
.guitar-how-step h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--fs-h4);
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: var(--ls-base);
}
.guitar-how-step p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ─── Roadmap ─── */
.guitar-roadmap-goal {
  background: var(--green-lt);
  border-left: 4px solid var(--green);
  padding: 32px 36px;
  border-radius: var(--radius);
  max-width: 720px;
  margin: 0 auto 56px;
}
.guitar-roadmap-goal-label {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: var(--ls-eyebrow);
  color: var(--green-mid);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}
.guitar-roadmap-goal p {
  font-size: var(--fs-body);
  color: var(--text);
  line-height: 2;
}
.guitar-roadmap-goal strong {
  color: var(--green);
  font-family: 'Noto Serif JP', serif;
  font-weight: 600;
}

.guitar-roadmap-stages {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto 32px;
}
.guitar-roadmap-stage {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  display: flex;
  gap: 24px;
  align-items: center;
  position: relative;
  transition: border-color .3s, transform .2s;
}
.guitar-roadmap-stage:hover {
  border-color: var(--green);
  transform: translateX(4px);
}
.guitar-roadmap-stage-content {
  flex: 1;
}
.guitar-roadmap-stage-label {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  color: var(--text-soft);
  letter-spacing: var(--ls-wide);
  margin-bottom: 4px;
}
.guitar-roadmap-stage h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--fs-h4);
  font-weight: 600;
  letter-spacing: var(--ls-base);
}
.guitar-roadmap-stage .free-badge {
  position: absolute;
  top: 16px;
  right: 20px;
  background: var(--green-lt);
  color: var(--green);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  padding: 4px 12px;
  border-radius: 999px;
}
/* locked */
.guitar-roadmap-stage.locked {
  background: linear-gradient(135deg, #f5f1e8 0%, #ede6d4 100%);
  filter: grayscale(.3);
  opacity: .65;
  pointer-events: none;
}
.guitar-roadmap-stage.locked h3 {
  color: var(--text-soft);
}
.guitar-roadmap-stage.locked .guitar-roadmap-stage-label {
  color: var(--text-soft);
}
/* lock-icon：CSS擬似要素化（絵文字削除） */
.guitar-roadmap-stage.locked::after {
  content: "ー";
  margin-left: auto;
  font-size: 18px;
  color: var(--amber);
  opacity: .6;
  font-weight: 600;
}

/* ─── Gated CTA：サイズ縮小 ─── */
.guitar-gated-cta {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-mid) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto 32px;
}
.guitar-gated-cta-label {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: #fff;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  margin-bottom: 16px;
  font-weight: 600;
}
.guitar-gated-cta h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--fs-h3);
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
  letter-spacing: var(--ls-base);
}
.guitar-gated-cta p {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  line-height: 2;
  margin-bottom: 24px;
  position: relative;
}
.guitar-gated-cta .btn--line {
  background: var(--line);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  position: relative;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  transition: .2s;
}
.guitar-gated-cta .btn--line:hover {
  opacity: .9;
  transform: translateY(-1px);
}
.guitar-gated-cta .id-note {
  color: rgba(255,255,255,.5);
  font-size: 12px;
  margin-top: 12px;
  position: relative;
}

.guitar-roadmap-cta {
  text-align: center;
  padding: 32px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed var(--green-mid);
  max-width: 720px;
  margin: 0 auto;
}
.guitar-roadmap-cta p {
  color: var(--text-mid);
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.9;
}

/* ─── 料金 ─── */
.guitar-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}
.guitar-price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.guitar-price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(43,74,26,.08);
}
.guitar-price-card.featured {
  border-color: var(--green);
  border-width: 2px;
}
.guitar-price-name {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--fs-h4);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: var(--ls-base);
}
.guitar-price-amount {
  font-family: 'Noto Serif JP', serif;
  color: var(--amber);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 24px 0;
}
.guitar-price-desc {
  color: var(--text-mid);
  font-size: 13px;
  line-height: 1.9;
}

/* ─── モバイル対応 ─── */
@media (max-width: 720px) {
  .guitar-instructor {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    gap: 32px;
    text-align: center;
  }
  .guitar-instructor-photo {
    max-width: 160px;
    margin: 0 auto;
  }

  .guitar-how-step {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px;
  }

  .guitar-roadmap-stage {
    padding: 20px 24px;
    gap: 16px;
  }
  .guitar-roadmap-stage .free-badge {
    top: 12px;
    right: 12px;
    font-size: 9px;
    padding: 3px 10px;
  }

  .guitar-gated-cta {
    padding: 28px 24px;
  }
  .guitar-gated-cta h3 {
    font-size: var(--fs-h4);
  }
  .guitar-gated-cta p {
    font-size: 13px;
  }
  .guitar-gated-cta .btn--line {
    width: 100%;
    justify-content: center;
  }

  .guitar-pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .guitar-price-card {
    padding: 32px 24px;
  }
}