/* CSS変数（カラーパレット） */
:root {
  --primary-color: #2c5aa0;
  --primary-light: #4472c4;
  --secondary-color: #f4841f;
  --accent-color: #e74c3c;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --background-light: #f8f9fa;
  --white: #ffffff;
  --border-light: #e9ecef;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --border-radius-large: 12px;
  --transition: all 0.3s ease;
}

/* リセットCSS */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ベースフォント設定 */
body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', sans-serif;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
  font-size: 16px;
}

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

/* ヘッダー */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo {
  flex-shrink: 0;
}

.logo-img {
  height: 60px;
  width: auto;
}

.header-info {
  flex-grow: 1;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.contact-info {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.phone {
  font-weight: 500;
  color: var(--secondary-color);
}

/* メニューボタン（モバイル用） */
.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  margin: 3px 0;
  transition: var(--transition);
}

/* ナビゲーション */
.nav {
  background: var(--primary-color);
  color: var(--white);
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 400;
}

.nav-link:hover,
.nav-link.active {
  background: var(--primary-light);
  color: var(--white);
}

/* ヒーローセクション */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/hero_banner.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    rgba(44, 90, 160, 0.8) 0%, 
    rgba(68, 114, 196, 0.7) 50%,
    rgba(244, 132, 31, 0.6) 100%
  );
  z-index: -1;
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero-content {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-large);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  box-shadow: 0 4px 15px rgba(244, 132, 31, 0.3);
}

.hero .btn-primary:hover {
  background: #e67e22;
  border-color: #e67e22;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(244, 132, 31, 0.4);
}

.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

/* ボタンスタイル */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

.btn-primary:hover {
  background: #e67e22;
  border-color: #e67e22;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--border-light);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* セクション共通スタイル */
section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--secondary-color);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* お知らせセクション */
.news-section {
  background: var(--background-light);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.news-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.news-card.featured {
  grid-row: span 2;
}

.news-image {
  height: 200px;
  overflow: hidden;
}

.news-card.featured .news-image {
  height: 250px;
}

.news-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.news-card:hover .news-img {
  transform: scale(1.05);
}

.news-content {
  padding: 1.5rem;
}

.news-date {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.news-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.news-text {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.news-link {
  color: var(--primary-color);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.news-link:hover {
  color: var(--secondary-color);
}

/* 特徴セクション */
.features-section {
  padding: 5rem 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 5rem;
  padding: 3rem 0;
}

.feature-item:last-child {
  margin-bottom: 0;
}

.feature-item.reverse {
  flex-direction: row-reverse;
}

.feature-content {
  flex: 1;
  max-width: 600px;
}

.feature-image {
  flex: 1;
  max-width: 500px;
}

.feature-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-hover);
  transition: var(--transition);
}

.feature-img:hover {
  transform: scale(1.02);
}

.feature-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color), #e67e22);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-description {
  font-size: 1.1rem;
  color: var(--text-dark);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 500;
}

.feature-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-item {
  padding: 1.5rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
  transition: var(--transition);
}

.detail-item:hover {
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateX(5px);
}

.detail-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.detail-item p {
  color: var(--text-light);
  line-height: 1.6;
  margin: 0;
}

/* コースセクション */
.courses-section {
  background: var(--background-light);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.course-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.course-image {
  height: 200px;
  overflow: hidden;
}

.course-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.course-card:hover .course-img {
  transform: scale(1.05);
}

.course-content {
  padding: 1.5rem;
  text-align: center;
}

.course-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

.course-text {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* CTAセクション */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  text-align: center;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* フッター */
.footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.footer-subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.footer-address p {
  margin-bottom: 0.5rem;
  color: #bdc3c7;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: #bdc3c7;
  text-decoration: none;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #34495e;
  text-align: center;
  color: #95a5a6;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .header {
    position: sticky;
    top: 0;
    transition: all 0.3s ease;
  }

  .header.scrolled {
    padding: 0.2rem 0;
  }

  .header-content {
    flex-wrap: nowrap;
    gap: 0.5rem;
    padding: 0.5rem 0;
  }

  .logo-img {
    height: 40px;
  }

  .header.scrolled .logo-img {
    height: 32px;
  }

  .header-info {
    flex-grow: 1;
    min-width: 0;
  }

  .header-title {
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header.scrolled .header-title {
    font-size: 0.7rem;
    margin-bottom: 0.1rem;
  }

  .contact-info {
    flex-direction: row;
    gap: 0.3rem;
    font-size: 0.65rem;
    flex-wrap: wrap;
  }

  .header.scrolled .contact-info {
    font-size: 0.6rem;
  }

  .hours {
    display: none;
  }

  .menu-toggle {
    display: flex;
    order: 2;
  }

  .nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1001;
    padding-top: 120px; /* ヘッダーの高さ分の余白 */
  }

  .nav .nav-list {
    background: var(--primary-color);
    margin: 0;
    border-radius: 0 0 12px 12px;
    box-shadow: var(--shadow);
  }

  .nav-list {
    flex-direction: column;
    padding: 0;
  }

  .nav-link {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .hero {
    min-height: 60vh;
    padding: 2rem 0;
  }

  .hero .container {
    max-width: 100%;
    padding: 0 1rem;
  }

  .hero-content {
    padding: 1.5rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-card.featured {
    grid-row: span 1;
  }

  .feature-item {
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
    text-align: center;
  }

  .feature-item.reverse {
    flex-direction: column;
  }

  .feature-content {
    max-width: 100%;
  }

  .feature-image {
    max-width: 100%;
  }

  .feature-title {
    font-size: 1.5rem;
    justify-content: center;
  }

  .feature-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .feature-description {
    font-size: 1rem;
  }

  .detail-item {
    padding: 1rem;
  }

  .detail-item:hover {
    transform: translateY(-3px);
  }

  .courses-grid {
    grid-template-columns: 1fr;
  }

  .area-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer {
    padding: 2rem 0 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .footer-subtitle {
    font-size: 1rem;
    margin-bottom: 0.8rem;
  }

  /* モバイル用フッターナビゲーション */
  .footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem 1.5rem;
  }

  .footer-nav li {
    margin-bottom: 0;
    flex: 0 0 auto;
  }

  .footer-nav a {
    font-size: 0.9rem;
    white-space: nowrap;
  }

  .cta-title {
    font-size: 1.6rem;
  }

  /* アクセスセクション レスポンシブ */
  .access-info {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .access-subtitle {
    font-size: 1.3rem;
  }

  .parking-info {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stations-grid {
    grid-template-columns: 1fr;
  }

  .step-item {
    padding: 1rem;
  }

  .step-number {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }

  /* 料金セクション レスポンシブ */
  .intro-highlight {
    padding: 1.5rem;
  }

  .intro-title {
    font-size: 1.5rem;
  }

  .intro-text {
    font-size: 1rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid-compact {
    grid-template-columns: 1fr;
  }

  .additional-info-grid {
    grid-template-columns: 1fr;
  }

  .breakdown-list {
    grid-template-columns: 1fr;
  }

  .pricing-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .pricing-cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  /* 料金テーブルのモバイル調整 */
  .pricing-table {
    overflow-x: auto;
  }

  .pricing-table table {
    min-width: 100%;
    font-size: 0.9rem;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 0.8rem 0.6rem;
    font-size: 0.85rem;
  }

  .price-main {
    font-size: 1.5rem;
  }

  .price-student {
    font-size: 0.85rem;
  }

  /* 講師紹介セクション レスポンシブ */
  .instructors-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .instructor-image {
    height: 300px;
  }

  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .instructor-features {
    padding: 2rem;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 50vh;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-content {
    padding: 1rem;
  }

  .feature-item {
    margin-bottom: 2rem;
    padding: 1rem 0;
  }

  .feature-title {
    font-size: 1.3rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .feature-number {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
  }

  .detail-item {
    padding: 0.8rem;
  }

  .area-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    padding: 0.8rem 1.2rem;
    font-size: 0.9rem;
  }

  /* 料金セクション 480px以下 */
  .pricing-grid,
  .pricing-grid-compact {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .pricing-card,
  .pricing-card-compact {
    margin: 0 auto;
    max-width: 100%;
  }

  /* 料金テーブル 480px以下での詳細調整 */
  .pricing-table th,
  .pricing-table td {
    padding: 0.6rem 0.4rem;
    font-size: 0.8rem;
    word-break: break-word;
  }

  .price-main {
    font-size: 1.3rem;
  }

  .price-student {
    font-size: 0.8rem;
  }

  .course-name {
    font-size: 1.2rem;
  }

  .course-description {
    padding: 1rem;
    font-size: 0.85rem;
  }

  /* 講師紹介セクション 480px以下 */
  .instructors-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .instructor-image {
    height: 250px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .instructor-features {
    padding: 1.5rem;
  }

  .feature-item-compact {
    padding: 1rem;
  }

  /* レッスンコース詳細セクション 480px以下 */
  .course-overview-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stage-header {
    padding: 0.8rem;
  }

  .stage-content {
    padding: 1rem;
  }

  .detail-point {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

  .point-icon {
    align-self: center;
  }

  .course-cta {
    padding: 1.5rem;
  }

  /* サブページ レスポンシブ 480px以下 */
  .sub-hero {
    min-height: 25vh;
  }

  .sub-hero-title {
    font-size: 1.6rem;
  }

  .sub-hero-subtitle {
    font-size: 0.9rem;
  }

  .sub-hero-content {
    padding: 1.5rem 0.5rem;
  }

  .main-content {
    padding: 1.5rem 0;
  }

  .content-title {
    font-size: 1.3rem;
  }

  .content-body table {
    font-size: 0.9rem;
  }

  .content-body th,
  .content-body td {
    padding: 0.75rem;
  }

  /* サブページ レスポンシブ */
  .sub-hero {
    min-height: 30vh;
  }

  .sub-hero-title {
    font-size: 2rem;
  }

  .sub-hero-subtitle {
    font-size: 1rem;
  }

  .main-content {
    padding: 2rem 0;
  }

  .content-title {
    font-size: 1.5rem;
  }

  /* レッスンコース詳細セクション レスポンシブ */
  .course-overview-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .detailed-course-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem;
  }

  .stage-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
    padding: 1rem;
  }

  .stage-title {
    font-size: 1.1rem;
  }

  .stage-content {
    padding: 1.5rem;
  }

  .detail-point {
    padding: 1rem;
  }

  .course-cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .course-cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}

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

.hero-content,
.feature-card,
.course-card,
.news-card {
  animation: fadeInUp 0.6s ease-out;
}

/* スクロール時のスムーズな動作 */
html {
  scroll-behavior: smooth;
}

/* フォーカスアクセシビリティ */
a:focus,
button:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* 地域キーワード用スタイル */
.area-keyword {
  font-size: 0.7em;
  color: var(--text-light);
  font-weight: 300;
  margin-left: 0.5em;
}

.area-keyword-small {
  font-size: 0.6em;
  color: var(--text-light);
  font-weight: 300;
  display: inline-block;
  margin-left: 0.3em;
  opacity: 0.8;
}

.section-title .area-keyword {
  font-size: 0.5em;
  position: relative;
  top: -0.2em;
}

.area-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: 0.2em 0.6em;
  border-radius: 15px;
  font-size: 0.7em;
  font-weight: 400;
  margin-left: 0.5em;
  white-space: nowrap;
}

/* 地域特化セクション */
.local-area-section {
  background: var(--background-light);
  padding: 2rem 0;
  border-top: 1px solid var(--border-light);
  margin-top: 2rem;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.area-card {
  background: var(--white);
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.area-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.area-name {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.area-description {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* アクセス・地図セクション */
.access-section {
  background: var(--white);
  padding: 4rem 0;
}

.access-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
}

/* 基本情報 */
.access-info {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  align-items: start;
}

.access-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.access-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.access-item:hover {
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateX(5px);
}

.access-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.access-text {
  flex: 1;
}

.address {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.access-text .phone {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.access-image {
  text-align: center;
}

.access-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-hover);
  transition: var(--transition);
}

.access-img:hover {
  transform: scale(1.05);
}

/* 地図セクション */
.map-section {
  margin-bottom: 3rem;
}

.map-container {
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  transition: var(--transition);
}

.map-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* 駐車場情報 */
.parking-section {
  margin-bottom: 3rem;
}

.parking-info {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: start;
}

.parking-image {
  text-align: center;
}

.parking-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.parking-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.parking-text {
  margin-bottom: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
}

.parking-route {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
  font-weight: 500;
}

/* 辻堂駅からのアクセス */
.station-access {
  margin-bottom: 3rem;
}

.route-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.step-item:hover {
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateX(5px);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-item p {
  margin: 0;
  line-height: 1.6;
  color: var(--text-dark);
}

.walking-time {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary-color);
  background: var(--background-light);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin: 0;
}

/* 近隣駅アクセス */
.nearby-stations {
  margin-bottom: 2rem;
}

.stations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.station-card {
  background: var(--white);
  border: 2px solid var(--border-light);
  border-radius: var(--border-radius-large);
  padding: 1.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.station-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.station-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
}

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

.route-list li {
  margin-bottom: 0.75rem;
  padding: 0.5rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  line-height: 1.5;
}

.route-list li:last-child {
  margin-bottom: 0;
}

.route-list strong {
  color: var(--secondary-color);
}

/* 無料体験レッスン詳細セクション */
.trial-lesson-detail-section {
  padding: 4rem 0;
  background: var(--background-light);
}

.trial-lesson-intro {
  margin-bottom: 3rem;
}

.trial-intro-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.trial-intro-title {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.trial-intro-subtitle {
  font-size: 1.2rem;
  color: var(--secondary-color);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.trial-intro-content {
  text-align: left;
  font-size: 1.1rem;
  line-height: 1.8;
}

.highlight-text {
  background: linear-gradient(transparent 60%, #ffeb3b 60%);
  font-weight: 500;
  color: var(--text-dark);
}

/* 体験レッスンの特徴 */
.trial-lesson-features {
  margin-bottom: 3rem;
}

.features-subtitle {
  font-size: 1.6rem;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
}

.trial-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.trial-feature-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.trial-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.trial-feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.trial-feature-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.trial-feature-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
}

/* 体験レッスン後 */
.trial-lesson-after {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.after-subtitle {
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.after-content {
  text-align: left;
}

.after-text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.after-highlight {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 2rem;
  border-left: 4px solid var(--secondary-color);
}

.after-highlight-text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0;
}

.emphasis-text {
  color: var(--accent-color);
  font-weight: 600;
}

/* 体験レッスン申し込み方法セクション */
.trial-application-section {
  padding: 4rem 0;
  background: var(--white);
}

.application-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.application-intro-text {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-dark);
}

.application-methods {
  margin-bottom: 3rem;
}

.method-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.method-link {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition);
}

.method-link:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* 申し込み方法詳細 */
.application-method {
  background: var(--background-light);
  border-radius: var(--border-radius-large);
  margin-bottom: 3rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.method-header {
  background: var(--primary-color);
  color: var(--white);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.method-number {
  background: var(--white);
  color: var(--primary-color);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.method-title {
  font-size: 1.4rem;
  font-weight: 600;
  flex-grow: 1;
}

.method-badge {
  background: var(--secondary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.9rem;
  font-weight: 500;
}

.method-content {
  padding: 2rem;
  background: var(--white);
}

.method-description {
  margin-bottom: 2rem;
}

.method-description p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* LINE申し込み */
.line-add-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.line-button {
  text-align: center;
}

.line-add-btn {
  display: inline-block;
  transition: var(--transition);
}

.line-add-btn:hover {
  transform: scale(1.05);
}

.qr-code {
  text-align: center;
}

.qr-img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.qr-placeholder {
  width: 180px;
  height: 180px;
  border: 2px dashed var(--border-light);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--background-light);
  color: var(--text-light);
  font-size: 0.9rem;
  text-align: center;
}

.line-instructions {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 2rem;
}

.line-instructions p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  line-height: 1.8;
}

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

/* フォーム申し込み */
.form-container {
  margin-top: 2rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.google-form {
  border-radius: var(--border-radius);
}

.note-text {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* 電話申し込み */
.phone-application-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.phone-info, .visit-info {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: 2rem;
}

.phone-subtitle, .visit-subtitle {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.phone-number-large {
  text-align: center;
  margin: 2rem 0;
}

.phone-label {
  display: block;
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.phone-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary-color);
}

.phone-hours {
  text-align: center;
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.phone-note, .visit-note {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
}

/* 体験レッスンセクションのレスポンシブ対応 */
@media (max-width: 768px) {
  .trial-intro-card {
    padding: 1.5rem;
  }
  
  .trial-intro-title {
    font-size: 1.4rem;
  }
  
  .trial-intro-subtitle {
    font-size: 1rem;
  }
  
  .trial-features-grid {
    grid-template-columns: 1fr;
  }
  
  .trial-feature-card {
    padding: 1.5rem;
  }
  
  .method-links {
    flex-direction: column;
    align-items: center;
  }
  
  .method-link {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }
  
  .method-header {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .method-number {
    margin-bottom: 0.5rem;
  }
  
  .method-content {
    padding: 1.5rem;
  }
  
  .line-add-section {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .phone-application-grid {
    grid-template-columns: 1fr;
  }
  
  .phone-number {
    font-size: 1.5rem;
  }
  
  .google-form {
    height: 1200px;
  }
}

/* 料金セクション */
.pricing-section {
  background: var(--background-light);
  padding: 4rem 0;
}

/* 料金説明 */
.pricing-intro {
  margin-bottom: 3rem;
  text-align: center;
}

.intro-highlight {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-hover);
  max-width: 800px;
  margin: 0 auto;
}

.intro-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.intro-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.pricing-benefits {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--text-dark);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--secondary-color);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* 料金テーブル */
.pricing-tables {
  margin-bottom: 3rem;
}

.pricing-subtitle {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
  border-bottom: 3px solid var(--secondary-color);
  padding-bottom: 0.5rem;
  display: inline-block;
  width: 100%;
}

.pricing-note {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.pricing-card.featured {
  border-color: var(--secondary-color);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-5px);
}

.pricing-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: 1.5rem;
  text-align: center;
}

.pricing-card.featured .pricing-header {
  background: linear-gradient(135deg, var(--secondary-color), #e67e22);
}

.course-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.course-subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  margin: 0;
}

.pricing-table {
  padding: 0;
}

.pricing-table table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.pricing-table th,
.pricing-table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.pricing-table th {
  background: var(--background-light);
  font-weight: 600;
  color: var(--primary-color);
  width: 40%;
  font-size: 0.95rem;
}

.pricing-table td {
  background: var(--white);
  color: var(--text-dark);
  font-size: 0.95rem;
}

.pricing-table .price-row th,
.pricing-table .price-row td {
  border-bottom: none;
  background: var(--background-light);
  font-weight: 700;
}

.price-main {
  font-size: 1.8rem;
  color: var(--secondary-color);
  font-weight: 700;
  display: block;
}

.price-student {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 0.25rem;
  display: block;
}

.course-description {
  padding: 1.5rem;
  background: var(--background-light);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* コンパクト料金カード（30分レッスン用） */
.pricing-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pricing-card-compact {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.pricing-card-compact:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.pricing-header-compact {
  background: var(--primary-color);
  color: var(--white);
  padding: 1rem 1.5rem;
  text-align: center;
}

.course-name-compact {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.pricing-details-compact {
  padding: 1.5rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.detail-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.detail-label {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

.detail-value {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 600;
}

.price-row-compact {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

.price-main-compact {
  font-size: 1.5rem;
  color: var(--secondary-color);
  font-weight: 700;
}

.price-student-compact {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* その他の料金情報 */
.pricing-additional {
  margin-bottom: 3rem;
}

.additional-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.info-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid var(--secondary-color);
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.info-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.info-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 0.75rem;
}

.info-text {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
  margin: 0;
}

/* 料金内訳 */
.pricing-breakdown {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
  margin-bottom: 3rem;
}

.breakdown-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
}

.breakdown-text {
  text-align: center;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.breakdown-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.breakdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
}

.breakdown-item:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.breakdown-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* 料金CTA */
.pricing-cta {
  text-align: center;
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-hover);
}

.pricing-cta-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.pricing-cta-text {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1rem;
  line-height: 1.6;
}

.pricing-cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 講師紹介セクション */
.instructors-section {
  background: var(--white);
  padding: 4rem 0;
}

.instructors-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.instructors-intro .intro-text {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* 講師グリッド */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.instructor-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.instructor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.instructor-image {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
}

.instructor-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.instructor-card:hover .instructor-img {
  transform: scale(1.05);
}

.instructor-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 60%,
    rgba(44, 90, 160, 0.8) 100%
  );
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: var(--transition);
}

.instructor-card:hover .instructor-overlay {
  opacity: 1;
}

.instructor-experience {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  backdrop-filter: blur(10px);
}

.instructor-info {
  padding: 1.5rem;
  text-align: center;
}

.instructor-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.instructor-courses {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.course-tag {
  background: linear-gradient(135deg, var(--secondary-color), #e67e22);
  color: var(--white);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.course-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(244, 132, 31, 0.3);
}

/* 講師の特徴 */
.instructor-features {
  background: var(--background-light);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.feature-item-compact {
  text-align: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.feature-item-compact:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.feature-icon-large {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-item-compact h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

.feature-item-compact p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

/* レッスンコース詳細セクション */
.lesson-courses-section {
  background: var(--background-light);
  padding: 4rem 0;
}

.course-overview {
  text-align: center;
  margin-bottom: 3rem;
}

.overview-text {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* コース一覧セクション */
.course-list-section {
  margin-bottom: 4rem;
}

.course-list-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
  border-bottom: 3px solid var(--secondary-color);
  padding-bottom: 0.5rem;
  display: inline-block;
  width: 100%;
}

.course-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.course-overview-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.course-overview-card a {
 text-decoration: none;
}

.course-overview-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.course-banner {
  height: 120px;
  overflow: hidden;
  background: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-banner-img {
  width: 160px;
  height: 80px;
  object-fit: cover;
  transition: var(--transition);
}

.course-overview-card:hover .course-banner-img {
  transform: scale(1.1);
}

.course-overview-content {
  padding: 1.5rem;
}

.course-overview-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  text-align: center;
}

.course-levels {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.level-tag {
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--white);
  white-space: nowrap;
}

.level-tag.level-beginner {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.level-tag.level-basic {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.level-tag.level-intermediate {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.course-overview-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  text-align: center;
  margin: 0;
}

/* 詳細コースセクション */
.detailed-course-section {
  margin-bottom: 3rem;
}

.detailed-course-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow);
}

.detailed-course-icon {
  flex-shrink: 0;
}

.detailed-icon {
  width: 120px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.detailed-course-title h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.detailed-course-title p {
  color: var(--text-light);
  font-size: 1rem;
  margin: 0;
}

/* ステージカード */
.course-stages {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stage-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.stage-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stage-header {
  padding: 1.5rem 2rem;
  background: var(--background-light);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stage-badge {
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  flex-shrink: 0;
}

.stage-badge.beginner {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.stage-badge.basic {
  background: linear-gradient(135deg, #3498db, #2980b9);
}

.stage-badge.intermediate {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.stage-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0;
  flex: 1;
}

.stage-content {
  padding: 2rem;
}

.stage-description {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-weight: 500;
}

.stage-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-point {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--background-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.detail-point:hover {
  background: var(--white);
  box-shadow: var(--shadow);
  transform: translateX(5px);
}

.point-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.point-content h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.point-content p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.9rem;
  margin: 0;
}

/* コースCTA */
.course-cta {
  text-align: center;
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-hover);
}

.course-cta-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.course-cta-text {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1rem;
  line-height: 1.6;
}

.course-cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* サブページ用スタイル */
/* サブページ用ヒーローセクション */
.sub-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
}

.sub-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/hero_banner.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.sub-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    rgba(44, 90, 160, 0.9) 0%, 
    rgba(68, 114, 196, 0.8) 50%,
    rgba(244, 132, 31, 0.7) 100%
  );
  z-index: -1;
}

.sub-hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.sub-hero-content {
  padding: 2rem 1rem;
}

.sub-hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.sub-hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  line-height: 1.6;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* サブページメインコンテンツ */
.main-content {
  padding: 4rem 0;
  background: var(--white);
}

.content-section {
  margin-bottom: 3rem;
}

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

.content-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--secondary-color);
  position: relative;
}

.content-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--secondary-color);
}

.content-body {
  line-height: 1.7;
  color: var(--text-dark);
  font-size: 1rem;
}

.content-body p {
  margin-bottom: 1.5rem;
}

.content-body h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 2rem 0 1rem 0;
}

.content-body h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 1.5rem 0 0.75rem 0;
}

.content-body ul,
.content-body ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.content-body li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.content-body strong {
  color: var(--primary-color);
  font-weight: 600;
}

.content-body em {
  color: var(--secondary-color);
  font-style: normal;
  font-weight: 500;
}

/* サブページ用テーブルスタイル */
.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.content-body th,
.content-body td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.content-body th {
  background: var(--background-light);
  font-weight: 600;
  color: var(--primary-color);
}

.content-body tr:last-child td {
  border-bottom: none;
}

.content-body tr:hover {
  background: var(--background-light);
}

/* サブページ用ボックススタイル */
.content-box {
  background: var(--background-light);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 2rem 0;
  border-left: 4px solid var(--secondary-color);
}

.content-box.highlight {
  background: var(--white);
  border-color: var(--secondary-color);
  box-shadow: var(--shadow);
}

.content-box h3 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 1rem;
}

/* サブページ用ボタン配置 */
.content-actions {
  text-align: center;
  margin: 3rem 0;
}

.content-actions .btn {
  margin: 0 0.5rem 1rem 0.5rem;
}

/* サブページ用画像スタイル */
.content-image {
  text-align: center;
  margin: 2rem 0;
}

.content-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.content-image-caption {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 0.5rem;
  font-style: italic;
}

/* 詳細はこちらリンクスタイル */

/* 1. シンプルなテキストリンク */
.feature-detail-link {
  margin-top: 1.5rem;
  text-align: right;
}

.detail-link-simple {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-block;
  position: relative;
}

.detail-link-simple::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: width 0.3s ease;
}

.detail-link-simple:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

.detail-link-simple:hover::after {
  width: 100%;
}

/* 2. ボタンスタイル */
.detail-link-button {
  display: inline-block;
  background: var(--primary-color);
  color: var(--white);
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(44, 90, 160, 0.3);
}

.detail-link-button:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(244, 132, 31, 0.4);
}

/* 3. アイコン付きリンク */
.detail-link-icon {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  background: var(--background-light);
  border: 1px solid var(--border-light);
}

.detail-link-icon:hover {
  background: var(--secondary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* 4. 目立つボックス型リンク */
.section-detail-box {
  margin-top: 2rem;
  text-align: center;
}

.detail-link-box {
  display: inline-block;
  background: linear-gradient(135deg, var(--white), var(--background-light));
  border: 2px solid var(--secondary-color);
  border-radius: var(--border-radius-large);
  padding: 1.5rem 2rem;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
  max-width: 400px;
  width: 100%;
}

.detail-link-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(135deg, var(--secondary-color), #e67e22);
}

.detail-box-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail-box-title {
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 500;
}

.detail-box-text {
  font-size: 1.2rem;
  color: var(--primary-color);
  font-weight: 600;
}

.detail-link-box:hover .detail-box-title,
.detail-link-box:hover .detail-box-text {
  color: var(--white);
}

.detail-box-arrow {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-left: 1rem;
  transition: var(--transition);
}

.detail-link-box:hover .detail-box-arrow {
  color: var(--white);
  transform: translateX(5px);
}

/* 5. カード型リンク */
.section-detail-card {
  margin-top: 2rem;
  text-align: center;
}

.detail-card-content {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  max-width: 500px;
  margin: 0 auto;
}

.detail-card-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--secondary-color);
}

.detail-card-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 600;
}

.detail-card-desc {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.detail-card-link {
  display: inline-block;
  background: var(--secondary-color);
  color: var(--white);
  padding: 0.8rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.detail-card-link:hover {
  background: #e67e22;
  transform: translateY(-2px);
}

/* 6. バッジ型リンク */
.section-detail-badge {
  margin-top: 2rem;
  text-align: center;
}

.detail-badge-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: linear-gradient(135deg, var(--secondary-color), #e67e22);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(244, 132, 31, 0.3);
}

.detail-badge-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(244, 132, 31, 0.4);
}

.detail-badge-icon {
  font-size: 1.3rem;
}

.detail-badge-text {
  font-size: 1rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .feature-detail-link {
    text-align: center;
  }
  
  .detail-link-box {
    padding: 1rem 1.5rem;
  }
  
  .detail-box-content {
    flex-direction: column;
  }
  
  .detail-card-content {
    padding: 1.5rem;
  }
  
  .detail-badge-link {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .detail-link-box {
    padding: 1rem;
  }
  
  .detail-box-title {
    font-size: 0.9rem;
  }
  
  .detail-box-text {
    font-size: 1.1rem;
  }
  
  .detail-card-title {
    font-size: 1.1rem;
  }
  
  .detail-card-desc {
    font-size: 0.9rem;
  }
  
  .detail-badge-link {
    padding: 0.7rem 1.2rem;
    font-size: 0.9rem;
    gap: 0.5rem;
  }
}

/* サイトマップ専用スタイル */
.sitemap-section {
  margin-top: 2rem;
}

.sitemap-category {
  margin-bottom: 3rem;
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.sitemap-category-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sitemap-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.sitemap-item {
  background: var(--background-light);
  border-radius: var(--border-radius);
  transition: var(--transition);
  overflow: hidden;
}

.sitemap-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.sitemap-link {
  display: block;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.sitemap-link:hover {
  text-decoration: none;
}

.sitemap-link-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.sitemap-link:hover .sitemap-link-title {
  color: var(--secondary-color);
}

.sitemap-link-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
  margin: 0;
}

.external-link {
  position: relative;
}

.external-link::after {
  content: "↗";
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--secondary-color);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

/* サイトマップ：モバイル対応 */
@media (max-width: 768px) {
  .sitemap-category {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }

  .sitemap-category-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
  }

  .sitemap-links {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sitemap-link {
    padding: 1.2rem;
  }

  .sitemap-link-title {
    font-size: 1rem;
  }

  .sitemap-link-desc {
    font-size: 0.85rem;
  }
}