@import url('./variables.css');

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  margin: 0 auto;
}

/* 共通スタイル */
a {
  text-decoration: none;
  color: black;
  transition: var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

p {
  margin-bottom: var(--spacing-md);
}

ul,
ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

/* ボタンスタイル */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 9px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 1rem;
  border: none;
  line-height: 1;
}

.btn i {
  margin-right: var(--spacing-xs);
}

.secondary-btn {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.secondary-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ヘッダー */
.site-header {
  background-color: var(--background-light);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-normal);
}

.site-header.fixed {
  box-shadow: var(--shadow-lg);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.site-branding {
  display: flex;
  align-items: center;
}

.logo {
  margin-right: var(--spacing-md);
}

.logo img {
  height: 50px;
  width: auto;
}

/* ナビゲーション */
.main-navigation {
  display: flex;
  align-items: center;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  position: relative;
  transition: var(--transition-normal);
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  bottom: -6px;
}

.menu-toggle.active .menu-icon {
  background-color: transparent;
}

.menu-toggle.active .menu-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.menu-toggle.active .menu-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

.menu-text {
  display: none;
}

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

.menu-item {
  margin-left: var(--spacing-lg);
}

.menu-item a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: var(--spacing-xs) 0;
  position: relative;
  display: flex;
  align-items: center;
}

.menu-item a i {
  margin-right: var(--spacing-xs);
  color: var(--primary-color);
}

.menu-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition-normal);
}

.menu-item a:hover::after,
.current-menu-item a::after {
  width: 100%;
}

.current-menu-item a {
  color: var(--primary-color);
}

/* メインコンテンツ */
.main-content {
  flex: 1;
}

/* ページタイトル */
.page-title-container {
  background-color: var(--primary-red);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.page-title-container::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(150px, -150px);
}

.page-title {
  color: var(--text-light);
  margin-bottom: 0;
  font-size: 2rem;
  position: relative;
}

.background-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10rem;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.03);
  white-space: nowrap;
  z-index: 0;
}

.lesson-hero {
  padding: 80px 20px;
  position: relative;
}

.lesson-hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 90%;
  margin-right: auto;
  margin-left: auto;
  gap: 3rem;
}

.lesson-hero-content {
  flex: 1;
  z-index: 2;
  position: relative;
}

.lesson-hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.lesson-hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  max-width: 500px;
}

.lesson-hero-image img {
  width: 100%;
  height: auto;
  max-width: 400px;
  object-fit: contain;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.3), rgba(255, 182, 193, 0.3));
  animation: float 6s ease-in-out infinite;
}

.floating-element.element-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 20%;
  animation-delay: 0s;
}

.floating-element.element-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 30%;
  animation-delay: 2s;
}

.floating-element.element-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 50%;
  animation-delay: 4s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

.lesson-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 20%, rgba(255, 235, 238, 0.3), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 248, 225, 0.3), transparent 50%);
  z-index: -1;
  /* 背景画像より後ろに配置 */
}

.lesson-hero-image {
  position: relative;
  z-index: 1;
}

.lesson-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ヒーローセクション テキストスタイル */
.hero-title {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-title .brand {
  color: var(--text-dark);
}

.hero-title .highlight {
  color: var(--primary-red);
  background: linear-gradient(135deg, var(--primary-red), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lesson-hero-description {
  font-size: 1.8rem;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-weight: 500;
}

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

  .lesson-hero .container {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .hero-content {
    order: 1;
  }

  .lesson-hero-image {
    order: 2;
    max-width: 300px;
  }

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

  .lesson-hero-description {
    font-size: 1rem;
  }

  .lesson-hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

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

  .chinese-content {
    max-width: 80%;
    margin: 0 auto;
  }

  .chinese-features {
    gap: 24px;
    justify-content: center;
  }
}


/* レッスン紹介セクション */
.lesson-intro-section {
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.lesson-intro-title {
  display: flex;
  justify-content: center;
  background: var(--primary-red);
  color: var(--text-light);
  padding: 40px 20px;
  position: relative;
  overflow: hidden;
  margin-bottom: 5%;
}

.lesson-intro-content {
  display: flex;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.intro-text {
  flex: 1;
  min-width: 0;
  color: #1f2937;
  font-weight: 400;
  flex-basis: 55%;
}

.intro-image {
  flex: 0 0 400px;
  flex-basis: 45%;
}

.intro-image img {
  width: 100%;
  height: auto;
  border-radius: 1rem;
  box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.15);
}

.highlight-text {
  font-size: 2rem;
  /* 以前: 1.5rem */
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

/* m-text クラス追加定義 (説明文拡大) */
.m-text {
  font-size: 1.2rem;
  /* 基本より少し大きく */
  line-height: 1.6;
  color: #374151;
  margin-bottom: 2rem;
  max-width: 100%;
  /* 幅制限なし */
}

.intro-buttons {
  display: flex;
  gap: 1.5rem;
  /* 以前: var(--spacing-md) */
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
  /* 小画面で折り返し */
}

/* ボタンサイズ拡大 */
.intro-buttons .btn {
  padding: 1.2rem 2.5rem;
  /* デフォルトより大きく */
  font-size: 1.1rem;
  min-width: 200px;
  /* 最小幅確保 */
}

/* 中国語セクション */
.chinese-section {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, #fef2f2, #fff7ed, #fefce8);
  margin-bottom: var(--spacing-xl);
}

.chinese-features {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.video-section {
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.video-container {
  max-width: 800px;
  margin: 0 auto;
}

.video-placeholder {
  background-color: rgba(0, 0, 0, 0.1);
  height: 450px;
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.video-placeholder:hover {
  background-color: rgba(0, 0, 0, 0.2);
  transform: scale(1.02);
}

.video-placeholder i {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.video-placeholder p {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0;
}


/* 料金表 */
.price-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-gray);
  margin-bottom: var(--spacing-xl);
}

.price-table-container {
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--background-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.price-table th,
.price-table td {
  padding: var(--spacing-md);
  text-align: center;
  border: 1px solid var(--border-color);
}

.price-table th {
  background-color: var(--primary-color);
  color: var(--text-light);
  font-weight: 600;
}

.price-table tr:nth-child(even) {
  background-color: var(--background-gray);
}

.price-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* サービス説明 */
.service-info-section {
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.service-features {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  max-width: 65%;
  gap: var(--spacing-md);
}

.service-feature {
  display: flex;
  gap: var(--spacing-lg);
  background-color: var(--primary-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.service-feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.teachers-section {
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
  max-width: 80%;
  margin: 0 auto;
}

.teachers-grid {
  display: flex;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  justify-content: center;
}

.teacher-card {
  background-color: var(--background-light);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

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

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

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

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

.teacher-info {
  padding: var(--spacing-lg);
}

.teacher-info h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.teacher-title {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.teacher-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* 悩み解決 */
.problems-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--primary-color);
  max-width: 80%;
  margin: auto;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.problems-grid {
  display: flex;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  justify-content: center;
}

.solution {
  background-color: var(--primary-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
}

.solution h4 {
  font-size: 1rem;
  color: var(--background-light);
  margin-bottom: var(--spacing-sm);
}

.solution p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--background-light);

}

/* カウンセリング */
.counseling-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--primary-color);
  max-width: 80%;
  margin: auto;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  color: var(--text-light);
}

.counseling-content {
  max-width: 900px;
  margin: 0 auto;
}

.counseling-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.counseling-header h2 {
  color: var(--text-light);
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
}

.counseling-header p {
  opacity: 0.9;
}

.counseling-merits {
  margin-bottom: var(--spacing-xl);
}

.counseling-merits h3 {
  color: var(--text-light);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: 1.3rem;
}

.merits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.merit-item {
  flex: 1;
  min-width: 250px;
  text-align: center;
  padding: var(--spacing-lg);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  transition: var(--transition-normal);
}

.merit-item:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.merit-item i {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--background-light);
}

.merit-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.counseling-form {
  background-color: var(--background-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  color: var(--text-primary);
}

.counseling-form h3 {
  color: var(--primary-color);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-group .required {
  color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.9rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-submit {
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* CTA セクション */
.cta-section {
  padding: 6rem 1rem;
  background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
  color: var(--text-light);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  position: relative;
}

.cta-section .cta-inner {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  transition: var(--transition-normal);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px);
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
  .intro-buttons {
    flex-direction: column;
  }

  .intro-buttons .btn {
    width: 100%;
  }

  .counseling-form {
    padding: var(--spacing-lg);
  }
}

/* 小画面（768px以下）では縦並びに変更 */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-branding {
    margin-bottom: var(--spacing-md);
    width: 100%;
    justify-content: space-between;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
  }

  .menu-container {
    width: 100%;
    height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
  }

  .menu-container.active {
    height: auto;
  }

  .menu {
    flex-direction: column;
    width: 100%;
  }

  .menu-item {
    margin: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .menu-item a {
    padding: var(--spacing-md);
    display: block;
  }

  .tabs {
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }

  .tab-item {
    white-space: nowrap;
  }

  .lesson-intro-content {
    flex-direction: column;
    text-align: center;
  }

  .intro-text {
    flex: none;
    min-width: auto;
    max-width: 100%;
    padding: 1.5rem;
    order: 2;
    /* 小画面では画像を上に */
  }

  .intro-image {
    flex: none;
    min-width: auto;
    max-width: 100%;
    order: 1;
    margin-bottom: var(--spacing-lg);
  }

  .intro-buttons {
    justify-content: center;
  }

  .service-feature {
    flex-direction: column;
  }

  .feature-number {
    margin-bottom: var(--spacing-sm);
  }

}

@media (max-width: 576px) {

  .background-text {
    font-size: 5rem;
  }

  .chinese-features,
  .merits-grid {
    flex-direction: column;
  }

  .point-card,
  .merit-item,
  .problem-card,
  .teacher-card {
    min-width: 100%;
  }

  intro-text {
    color: black;
    font-weight: 300;
  }
}


/* 小画面対応 */
@media (max-width: 768px) {
  .features-showcase-section {
    padding: 3rem 1rem;
  }

  .feature-showcase-card {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "number icon"
      "content content"
      "image image";
    padding: 2rem;
    text-align: center;
    align-items: center;
  }

  .feature-showcase-number {
    justify-self: center;
    font-size: 2.5rem;
    align-self: center;
    padding-left: 90%;
  }

  .feature-showcase-icon {
    justify-self: center;
    margin: 0;
    align-self: center;
  }

  .feature-showcase-content {
    text-align: center;
    margin-top: 0.5rem;
  }

  .feature-showcase-image {
    width: 100%;
    max-width: 300px;
    height: 200px;
    margin: 0 auto;
    justify-self: center;
  }

  .feature-showcase-image img {
    height: 100%;
    object-fit: scale-down;
  }

  .feature-showcase-title {
    font-size: 1.25rem;
  }

  .feature-showcase-description {
    font-size: 0.9rem;
  }

  .chinese-features,
  .merits-grid {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .feature-showcase-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "number"
      "icon"
      "content"
      "image";
    gap: 1rem;
  }

  .feature-showcase-number,
  .feature-showcase-icon {
    justify-self: center;
  }
}

/* ヒーローセクション ボタンスタイル */
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.secondary-btn {
  background: white;
  color: var(--primary-red);
  border: 2px solid var(--primary-red);
}

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

/* Container Problem Section */
.container-problem {
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 50%, #fff5f5 100%);
  padding: 3rem 1.5rem;
  border-radius: 12px;
}