@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;700&family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
  /* 配色 */
  --bg-primary: #faf6ee;        /* 暖かみのある生成り・ベージュ */
  --bg-secondary: #f4eee1;      /* やや濃いベージュ（セクション切り替え用） */
  --bg-card: #ffffff;           /* 白背景 */
  --text-primary: #1c382b;      /* 深いフォレストグリーン（メインテキスト・見出し） */
  --text-secondary: #486253;    /* 柔らかいグリーン（サブテキスト） */
  --text-dark: #2c2c2c;         /* ダークグレー（一般的な読本文用） */
  --accent-color: #c97b53;      /* 温かみのあるテラコッタ（ボタン、アクセント） */
  --accent-hover: #b2653e;      /* テラコッタのホバー時 */
  --accent-light: #f7e6dc;      /* テラコッタの薄い背景色 */
  --border-color: #e5dec9;      /* 優しい境界線色 */
  
  /* フォント */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Outfit', 'Noto Sans JP', sans-serif;
  
  /* トランジション */
  --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.2s ease;
  
  /* 影 */
  --shadow-soft: 0 10px 30px rgba(28, 56, 43, 0.04);
  --shadow-card: 0 15px 35px rgba(28, 56, 43, 0.06);
}

/* リセットスタイル */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-dark);
  font-family: var(--font-sans);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

/* スクロールバーのカスタマイズ */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--text-secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-primary);
}

/* 見出しスタイル */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.4;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* 共通コンテナ */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* セクション共通 */
section {
  padding: 8rem 0;
  position: relative;
}

.section-bg-alt {
  background-color: var(--bg-secondary);
}

/* セクションタイトル */
.section-header {
  margin-bottom: 5rem;
  text-align: center;
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  position: relative;
  display: inline-block;
  padding-bottom: 1.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 50px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background-color: var(--text-secondary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(28, 56, 43, 0.15);
}

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

.btn-secondary:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  transform: translateY(-3px);
}

.btn-icon {
  margin-left: 0.5rem;
  transition: var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(5px);
}

.btn-container-center {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 3.5rem;
  width: 100%;
}

/* ヘッダー・ナビゲーション */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.5rem 0;
}

header.scrolled {
  background-color: rgba(250, 246, 238, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 5px 20px rgba(28, 56, 43, 0.05);
  padding: 1rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
}

.logo-symbol {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--accent-color);
  margin-right: 8px;
  display: inline-block;
  position: relative;
}

/* メニュー */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-color);
  transition: var(--transition-fast);
}

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

.nav-link.active::after {
  width: 100%;
}

/* スマホ用メニュー切り替えボタン */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  position: absolute;
  transition: var(--transition-fast);
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 9px; }
.nav-toggle span:nth-child(3) { top: 18px; }

.nav-toggle.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* スクロールアニメーション用クラス */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 遅延アニメーション */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* 有機的な装飾 */
.organic-shape {
  position: absolute;
  z-index: -1;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
  pointer-events: none;
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
  background-color: var(--accent-light);
}

.shape-2 {
  width: 400px;
  height: 400px;
  bottom: -200px;
  left: -200px;
}

/* フッター */
footer {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 5rem 0 3rem;
  font-family: var(--font-sans);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-info .logo {
  color: var(--bg-primary);
  margin-bottom: 1.5rem;
}

.footer-info .logo-symbol {
  background-color: var(--accent-color);
}

.footer-desc {
  font-size: 0.9rem;
  opacity: 0.8;
  max-width: 350px;
  line-height: 1.7;
}

.footer-links h4, .footer-sns h4 {
  color: var(--bg-primary);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.9rem;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-sns-container {
  display: flex;
  gap: 1.5rem;
}

.sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(250, 246, 238, 0.2);
  transition: var(--transition-smooth);
}

.sns-link:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(250, 246, 238, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* レイアウト・コンポーネント用追加スタイル */
.grid-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

/* PCのみ改行するためのクラス */
.pc-only {
  display: inline;
}

/* ヒーローセクション */
.hero-section {
  padding: 10rem 0 4rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--bg-primary);
  overflow: hidden;
}

.hero-container-single {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 3rem;
  z-index: 2;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-color);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: block;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 500;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

/* スライダー（無限自動スクロールカルーセル） */
.hero-slider-wrapper {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
  padding: 1rem 0;
  z-index: 2;
}

.hero-slider-track {
  display: flex;
  width: calc(280px * 12 + 1.5rem * 12);
  gap: 1.5rem;
  animation: scrollTicker 30s linear infinite;
  padding: 0.5rem 0;
}

.hero-slide {
  width: 280px;
  height: 380px;
  flex-shrink: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

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

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

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

@keyframes scrollTicker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-280px * 6 - 1.5rem * 6));
  }
}

.feature-card {
  background-color: transparent;
  padding: 1.5rem 0 1.5rem 2rem;
  border-radius: 0;
  box-shadow: none;
  margin-bottom: 2rem;
  transition: var(--transition-smooth);
  border: none;
  border-left: 3px solid var(--accent-color);
}

.feature-card:hover {
  transform: translateX(5px);
  box-shadow: none;
  border-left-color: var(--text-primary);
}

.feature-num {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  display: block;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* なぜするのか（Why） */
.why-single-content {
  max-width: 800px;
  margin: 0 auto;
}

.text-center-large {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  text-align: center;
}

.text-center-text {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 2rem;
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.9;
}

/* カリキュラム導入 */
.section-header-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 1.5rem auto 0;
}

.curriculum-steps-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-summary-item {
  background-color: transparent;
  padding: 2rem 1rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: none;
  border: none;
  transition: var(--transition-smooth);
}

.step-summary-item:hover {
  transform: translateY(-5px);
  background-color: rgba(201, 123, 83, 0.05);
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.step-summary-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.step-summary-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* コネクト（SNS導線） */
.connect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.connect-card {
  background-color: var(--bg-card);
  padding: 3.5rem 3rem;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  text-align: center;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-smooth);
}

.connect-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.connect-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.connect-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 400px;
}

.connect-btn-label {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.line-card {
  border-color: rgba(28, 56, 43, 0.1);
}

.line-card .connect-btn-label {
  background-color: #06c755;
  color: var(--white);
}

.line-card:hover {
  border-color: #06c755;
  box-shadow: 0 15px 35px rgba(6, 199, 85, 0.1);
  transform: translateY(-5px);
}

.insta-card {
  border-color: rgba(28, 56, 43, 0.1);
}

.insta-card .connect-btn-label {
  background-color: var(--accent-color);
  color: #ffffff;
  transition: var(--transition-fast);
}

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

.insta-card:hover .connect-btn-label {
  background-color: var(--accent-hover);
}

.contact-form-link-block {
  text-align: center;
  margin-top: 5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 4rem;
}

.contact-form-link-block p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* お問い合わせフォーム */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.form-status {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 12px;
  display: none;
  font-size: 0.95rem;
  text-align: center;
  font-weight: 500;
}

.form-status.success {
  display: block;
  background-color: #e2ede4;
  color: #1b4d24;
  border: 1px solid #c7dfcb;
  animation: formSubmitSuccess 0.5s ease-out forwards;
}

@keyframes formSubmitSuccess {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* コンセプトページ用追加スタイル */
.vision-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.concept-detail-block {
  margin-bottom: 6rem;
}

.comparison-box {
  background-color: var(--bg-card);
  border-radius: 24px;
  padding: 4rem 3rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  margin: 4rem 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

#comparison-design-col {
  border-left: 1px solid var(--border-color);
  padding-left: 4rem;
}

.comparison-col h3 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.comparison-col li {
  font-size: 0.95rem;
  position: relative;
  padding-left: 1.5rem;
}

.comparison-col li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.concept-quote-box {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 4rem;
  border-radius: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 5rem 0;
}

.concept-quote-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1.8;
  position: relative;
  z-index: 2;
}

/* カリキュラムページ用追加スタイル */
.curriculum-detail-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.curriculum-card {
  background-color: transparent;
  border-radius: 0;
  box-shadow: none;
  border: none;
  overflow: visible;
  display: block;
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.curriculum-card:last-child {
  border-bottom: none;
}

.curriculum-card:hover {
  transform: none;
  border-color: transparent;
}

.curriculum-card-content {
  padding: 2rem 0;
}

.curriculum-card-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.curriculum-card-num {
  background-color: var(--accent-light);
  color: var(--accent-color);
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 700;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.curriculum-card-title h3 {
  font-size: 1.6rem;
}

.curriculum-card-theme {
  font-size: 0.9rem;
  color: var(--accent-color);
  font-weight: 600;
  display: block;
  margin-top: 0.2rem;
  letter-spacing: 0.1em;
}

.curriculum-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.curriculum-info-block h5 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.curriculum-info-block p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.curriculum-grow-block {
  background-color: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 12px;
  border-left: 4px solid var(--accent-color);
}

.curriculum-grow-block h5 {
  color: var(--accent-color);
}

.curriculum-grow-block ul {
  list-style: none;
  padding-left: 0;
  margin-top: 0.5rem;
}

.curriculum-grow-block li {
  font-size: 0.85rem;
  color: var(--text-primary);
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.3rem;
}

.curriculum-grow-block li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

.gallery-section {
  background-color: var(--bg-secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.gallery-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 1 / 1;
}

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

.gallery-item:hover img {
  transform: scale(1.08);
}

/* ==========================================================================
   お知らせ・スペシャルプロジェクトバナー (New)
   ========================================================================== */
.special-project-banner {
  background-color: var(--accent-light);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3.5rem;
  margin: 4rem auto 0;
  max-width: 1000px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

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

.banner-image-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 1 / 1.4;
  cursor: pointer;
  position: relative;
}

.banner-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.banner-image-container:hover img {
  transform: scale(1.05);
}

/* 画像に重ねるズームアイコン表示 */
.banner-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(28, 56, 43, 0.4);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition-fast);
  color: var(--bg-primary);
  font-size: 1.1rem;
  font-weight: 500;
  pointer-events: none;
}

.banner-image-container:hover .banner-image-overlay {
  opacity: 1;
}

.banner-text-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.banner-tag {
  background-color: var(--accent-color);
  color: #fff;
  padding: 0.4rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.banner-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.banner-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.banner-info-list {
  list-style: none;
  width: 100%;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.banner-info-list li {
  font-size: 0.95rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-dark);
  text-align: left;
}

.banner-info-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

/* ==========================================================================
   モーダルウィンドウ (New)
   ========================================================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(28, 56, 43, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: 2rem;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-wrapper {
  position: relative;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  background-color: var(--bg-primary);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  transform: translateY(30px);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  display: flex;
  flex-direction: column;
}

.modal.active .modal-wrapper {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--accent-color);
  color: #fff;
  transform: scale(1.05);
}

.modal-body {
  overflow-y: auto;
  padding: 3.5rem 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal-image-container {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  margin-bottom: 2rem;
}

.modal-image-container img {
  width: 100%;
  height: auto;
}

.modal-btn-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

/* ==========================================================================
   Instagramプロフィール ＆ アカウント並列化スタイル (New)
   ========================================================================== */
.profile-avatar-wrapper {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border-color);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.profile-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.connect-card:hover .profile-avatar {
  transform: scale(1.05);
}

.qr-code-wrapper {
  width: 140px;
  height: 140px;
  margin-bottom: 2rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  background-color: #fff;
  box-shadow: inset 0 2px 5px rgba(0,0,0,0.02);
}

.qr-code-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ==========================================================================
   プロフィールセクション用 (New)
   ========================================================================== */
.profile-section {
  position: relative;
  overflow: hidden;
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.profile-image-box {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 5;
  max-width: 360px;
  margin: 0 auto;
}

.profile-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-content {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.profile-name-wrap {
  margin-bottom: 1.5rem;
}

.profile-name-en {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--accent-color);
  font-weight: 600;
  letter-spacing: 0.1em;
  display: block;
}

.profile-name-ja {
  font-size: 2.2rem;
  font-family: var(--font-serif);
  color: var(--text-primary);
  margin-top: 0.2rem;
  font-weight: 500;
}

.profile-subtext {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-color);
  display: inline-block;
}

.profile-desc-text {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   ヘッダーボタン用スタイル (New)
   ========================================================================== */
.nav-btn-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 20px;
  transition: var(--transition-smooth);
  font-family: var(--font-sans);
  border: 1px solid transparent;
}

.nav-btn-primary-header {
  background-color: var(--accent-color);
  color: #ffffff !important;
}

.nav-btn-primary-header:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.nav-btn-secondary-header {
  border-color: var(--text-primary);
  color: var(--text-primary) !important;
  margin-left: 0.5rem;
}

.nav-btn-secondary-header:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary) !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   ヒーローセクション プレミアム化スタイル (New)
   ========================================================================== */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
  text-align: left;
}

.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-box {
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 1 / 1;
  border: 8px solid #ffffff; /* 額縁を表現 */
  transform: rotate(2deg); /* 遊び心のあるアート感を演出 */
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 400px;
  background-color: #ffffff;
}

.hero-image-box:hover {
  transform: rotate(0deg) scale(1.03);
  box-shadow: 0 20px 40px rgba(28, 56, 43, 0.12);
}

.hero-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   カリキュラムステップ フロー（矢印）化スタイル (New)
   ========================================================================== */
.curriculum-steps-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 1.5rem;
}

.step-summary-item {
  position: relative;
  flex: 1;
  z-index: 2;
}

/* PC：ステップ間の右向き矢印 */
.step-summary-item:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 2.5rem; /* .step-numの縦中心付近 */
  right: -1rem;
  transform: translateY(-50%);
  font-size: 1.8rem;
  color: var(--accent-color);
  font-family: var(--font-sans);
  font-weight: 300;
  opacity: 0.5;
  pointer-events: none;
}

/* モバイル対応 (Newレイアウト追加分) */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }
  .hero-title {
    text-align: center;
  }
  .hero-desc {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-image-box {
    max-width: 320px;
    transform: rotate(0deg); /* モバイルでは傾きをなくして見やすく */
  }
  .curriculum-steps-summary {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }
  .step-summary-item {
    width: 100%;
    max-width: 320px;
  }
  /* スマホ：ステップ間の下向き矢印 */
  .step-summary-item:not(:last-child)::after {
    content: '↓';
    top: auto;
    bottom: -2.2rem;
    right: 50%;
    transform: translateX(50%);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    padding: 6rem 2rem !important;
    gap: 1.5rem !important;
  }
  .nav-btn-header {
    width: 100%;
    margin-left: 0 !important;
  }
}

/* ==========================================================================
   モバイル対応 (Newレイアウト用追加)
   ========================================================================== */
@media (max-width: 992px) {
  .special-project-banner {
    grid-template-columns: 1fr;
    padding: 2.5rem;
    gap: 2.5rem;
    max-width: 600px;
  }
  .banner-image-container {
    max-width: 320px;
    margin: 0 auto;
    width: 100%;
  }
  .profile-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .profile-image-box {
    max-width: 300px;
  }
}

@media (max-width: 768px) {
  .special-project-banner {
    padding: 2rem 1.5rem;
    gap: 2rem;
  }
  .banner-title {
    font-size: 1.4rem;
  }
  .profile-name-ja {
    font-size: 1.8rem;
  }
  .modal {
    padding: 1rem;
  }
  .modal-body {
    padding: 2.5rem 1rem 1.5rem;
  }
}

/* メディアクエリ（レスポンシブ） */

@media (max-width: 992px) {
  section {
    padding: 6rem 0;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .grid-two-cols, .why-grid, .connect-grid, .vision-grid, .comparison-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  /* why-visual-blockを廃止したため不要な記述を除去 */
  
  .grow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .footer-info {
    grid-column: span 2;
  }
  
  #comparison-design-col {
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding-left: 0;
    padding-top: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 2.2rem;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  
  .section-title {
    font-size: 1.6rem;
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  
  /* スマホ用横スクロールスライダーの調整 */
  .hero-slider-wrapper {
    padding: 0.5rem 0;
  }
  .hero-slide {
    width: 200px;
    height: 270px;
    border-radius: 16px;
  }
  .hero-slider-track {
    width: calc(200px * 12 + 1rem * 12);
    gap: 1rem;
    animation: scrollTickerMobile 25s linear infinite;
  }
  
  @keyframes scrollTickerMobile {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(calc(-200px * 6 - 1rem * 6));
    }
  }
  
  .curriculum-steps-summary {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .grow-grid {
    grid-template-columns: 1fr;
  }
  
  .pc-only {
    display: none;
  }
  
  .feature-card h3 {
    font-size: 1.1rem;
  }
  
  .large-text {
    font-size: 1.15rem;
    line-height: 1.6;
  }
  
  .text-center-large {
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 1.8rem;
  }
  
  .text-center-text {
    font-size: 0.95rem;
    line-height: 1.7;
  }
}
  
  .comparison-box {
    padding: 2.5rem 1.5rem;
  }
  
  .concept-quote-box {
    padding: 2.5rem 1.5rem;
  }
  
  .concept-quote-text {
    font-size: 1.2rem;
  }
  
  .curriculum-card {
    padding: 3rem 0;
  }
  
  .curriculum-card-content {
    padding: 2rem 1rem;
  }
  
  .curriculum-info-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .connect-card {
    padding: 2.5rem 1.5rem;
  }
  
  /* レスポンシブナビゲーション */
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    box-shadow: -10px 0 30px rgba(28, 56, 43, 0.05);
    transition: right 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1000;
  }
  
  .nav-menu.open {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-info {
    grid-column: span 1;
  }
}