/* ========================================
   ピコっとラボ トップページ CSS
   LP（/event/01/）のデザインシステムに準拠
   v1 - 2026.03.16
======================================== */

:root {
  /* カラーパレット - PICOブルーメイン（LPと統一） */
  --primary-blue: #0097d3;
  --primary-blue-dark: #007bb0;
  --primary-blue-light: #e6f4fa;
  --primary-orange: #FF6B35;
  --primary-yellow: #FFD93D;
  --accent-green: #7ED957;
  --accent-pink: #FF6B9D;

  --bg-white: #FFFFFF;
  --bg-light: #F8FAFB;
  --bg-blue-light: #E6F4FA;

  --text-dark: #2D3436;
  --text-gray: #636E72;
  --white: #FFFFFF;

  /* フォント */
  --font-display: 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-accent: 'Poppins', sans-serif;

  /* シャドウ */
  --shadow-soft: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-card: 0 8px 30px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.8;
  overflow-x: hidden;
}

.en { font-family: var(--font-accent); }

/* ========================================
   ヘッダー（LP準拠）
======================================== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 0.75rem 0;
  box-shadow: var(--shadow-soft);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 45px;
  width: auto;
  transition: opacity 0.3s ease;
}

.logo:hover img { opacity: 0.8; }

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-gray);
  font-size: 0.9rem;
  font-weight: 700;
  transition: color 0.3s ease;
}

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

.nav-cta {
  background: var(--primary-blue);
  color: var(--white) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem !important;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,151,211,0.3);
}

.nav-cta:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,151,211,0.4);
}

/* モバイルメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-dark);
  border-radius: 1px;
  transition: 0.3s;
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
  padding-top: 70px;
  background: var(--bg-white);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.hero-image-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 4px solid var(--primary-blue);
  background: linear-gradient(135deg, var(--bg-blue-light) 0%, #b3e0f2 50%, var(--primary-blue) 100%);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-video-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.25);
  z-index: 1;
}

.hero-image-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: absolute;
  top: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-end;
  z-index: 2;
}

.hero-catch {
  background: var(--primary-blue);
  color: var(--white);
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: 0.05em;
}

.hero-catch-logo {
  width: 180px !important;
  max-width: 180px !important;
  height: auto !important;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
  margin-top: 0.75rem;
  align-self: center;
}

.hero-catch-main {
  background: var(--white);
  color: var(--primary-blue);
  padding: 1.25rem 2.5rem;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: var(--shadow-card);
}

.hero-label {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  position: absolute;
  top: 2rem;
  left: 2rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
  z-index: 2;
}

/* バッジタグ（ヒーロー外） */
.hero-tags {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-bottom-tag {
  background: var(--primary-blue);
  color: var(--white);
  padding: 0.4rem 1.2rem;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50px;
}

/* ヒーロー下部コンテンツ */
.hero-info-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.hero-text-center {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-text-center h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  letter-spacing: 0.02em;
}

.hero-text-center h1 .highlight { color: var(--primary-blue); }

.hero-text-center p {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-gray);
  line-height: 2;
  margin-bottom: 3rem;
}

.hero-text-center .hero-cta-group {
  justify-content: center;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-info-card {
  background: var(--bg-blue-light);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid var(--primary-blue);
}

.hero-info-card .icon { font-size: 1.5rem; }

.hero-info-card .text {
  font-weight: 700;
  font-size: 1.05rem;
}

.hero-info-card .text span {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-gray);
}

/* ========================================
   共通ボタン（LP準拠）
======================================== */
.btn-primary {
  background: var(--primary-blue);
  color: var(--white);
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,151,211,0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,151,211,0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-blue);
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  border: 2px solid var(--primary-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

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

/* ========================================
   セクション共通（LP準拠）
======================================== */
.section-label {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 2rem;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.section-title .highlight { color: var(--primary-blue); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

/* ========================================
   教室一覧セクション
======================================== */
.classes {
  padding: 100px 2rem;
  background: var(--bg-light);
}

.classes-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.class-card {
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  border: 3px solid var(--primary-blue);
  text-decoration: none;
  color: var(--text-dark);
  display: block;
}

.class-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.class-card-image {
  height: 180px;
  background: var(--bg-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.class-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.class-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-blue);
  color: var(--white);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.class-card-content {
  padding: 1.5rem 2rem 2rem;
}

.class-card-category {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.class-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.class-card-desc {
  color: var(--text-gray);
  font-weight: 500;
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.class-card-tag {
  display: inline-block;
  background: var(--bg-blue-light);
  color: var(--primary-blue);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.class-card-tag.upcoming { background: var(--primary-blue); color: var(--white); }
.class-card-tag.preparing { background: #f0f0f0; color: var(--text-gray); }

/* 写真プレースホルダー */
.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  opacity: 0.4;
  color: var(--primary-blue);
}
.photo-placeholder span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ========================================
   直近イベントセクション
======================================== */
.upcoming-section {
  padding: 100px 2rem;
  background: var(--bg-white);
}

.upcoming-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.event-card {
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 300px 1fr;
  border: 3px solid var(--primary-blue);
  box-shadow: var(--shadow-card);
}

.event-image {
  background: linear-gradient(135deg, var(--bg-blue-light) 0%, #b3e0f2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.event-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.event-date-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--white);
  border-radius: 12px;
  padding: 8px 14px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.event-date-month {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.event-date-day {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.1;
}

.event-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.event-category {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-blue);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.event-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-bottom: 1.5rem;
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.event-meta-icon {
  width: 16px; height: 16px;
  color: var(--text-gray);
}

/* ========================================
   つうしんセクション
======================================== */
.report-section {
  padding: 100px 2rem;
  background: var(--bg-light);
}

.report-inner {
  max-width: 1200px;
  margin: 0 auto;
}

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

.report-card {
  background: var(--white);
  border-radius: 24px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.3s ease;
  border: 3px solid var(--primary-blue);
  box-shadow: var(--shadow-card);
}

.report-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.report-thumb {
  aspect-ratio: 16/10;
  background: var(--bg-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.report-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.report-cat {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(4px);
  padding: 0.3rem 0.8rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 700;
}

.report-body {
  padding: 1.5rem;
}

.report-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.report-date {
  font-family: var(--font-accent);
  font-size: 0.8rem;
  color: var(--text-gray);
}

/* ========================================
   コンセプトセクション
======================================== */
.concept {
  padding: 100px 2rem;
  background: var(--bg-white);
}

.concept-inner {
  max-width: 900px;
  margin: 0 auto;
}

.concept-body {
  background: var(--bg-blue-light);
  border-radius: 24px;
  padding: 3rem;
  border: 3px solid var(--primary-blue);
}

.concept-body p {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 2.2;
  color: #333;
  margin-bottom: 1.5rem;
}

.concept-body p:last-child { margin-bottom: 0; }
.concept-body strong { color: var(--primary-blue); font-weight: 800; }

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

.concept-feature {
  background: var(--white);
  border-radius: 16px;
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.concept-feature .feature-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

.concept-feature .feature-label {
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary-blue);
}

.concept-feature .feature-desc {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-top: 0.3rem;
}

/* ========================================
   準備中カード（リンク無効化）
======================================== */
.class-card--disabled {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

/* ========================================
   LINE CTA セクション
======================================== */
.line-cta {
  padding: 80px 2rem;
  background: #06C755;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.line-cta::before {
  content: '';
  position: absolute;
  top: -100px; left: -100px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}

.line-cta-title {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
  position: relative;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.line-cta-text {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  position: relative;
  line-height: 1.9;
  font-weight: 500;
}

.line-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--white);
  color: #06C755;
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.line-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.line-icon {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .line-cta-title {
    font-size: 1.4rem;
  }
}

/* ========================================
   CTAセクション（LP準拠）
======================================== */
.cta {
  padding: 80px 2rem;
  background: var(--primary-blue);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta-title {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
  position: relative;
  letter-spacing: 0.03em;
}

.cta-text {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  position: relative;
}

.btn-white {
  background: var(--white);
  color: var(--primary-blue);
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* ========================================
   フッター（LP準拠）
======================================== */
footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 60px 2rem 30px;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .footer-logo {
  width: 120px;
  height: auto;
  margin-bottom: 1rem;
  transition: opacity 0.3s ease;
}

.footer-brand a:hover .footer-logo { opacity: 0.8; }

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-weight: 400;
  line-height: 1.8;
}

.footer-nav { display: flex; gap: 2rem; }

.footer-nav-col {
  white-space: nowrap;
}

.footer-nav-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.footer-nav-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
  font-weight: 400;
}

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

.footer-org h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: rgba(255,255,255,0.5);
}

.footer-pico-logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-pico-logo img {
  width: 120px;
  height: auto;
}

.footer-org p {
  color: var(--white);
  font-weight: 400;
  line-height: 1.8;
}

.footer-link {
  color: var(--white);
  text-decoration: underline;
  transition: opacity 0.3s;
}

.footer-link:hover { opacity: 0.8; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  font-weight: 400;
}

/* ========================================
   もっと見るリンク
======================================== */
.view-more {
  text-align: center;
  margin-top: 2.5rem;
}

.view-more a {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s;
}

.view-more a:hover { gap: 0.8rem; }

/* ========================================
   スクロールアニメーション
======================================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 1024px) {
  .hero-info-grid { grid-template-columns: 1fr; }
  .event-card { grid-template-columns: 1fr; }
  .report-grid { grid-template-columns: repeat(2, 1fr); }
  .concept-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  header { padding: 0.75rem 0; }
  .header-inner { padding: 0 1rem; }
  nav { display: none; }
  .hamburger { display: flex; }

  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-card);
    gap: 1rem;
  }

  .hero-image-wrapper { min-height: 420px; }
  .hero-image-wrapper img { height: 420px; }
  .hero-overlay {
    top: auto;
    right: auto;
    bottom: 0;
    left: 0; right: 0;
    align-items: center;
    padding: 0.75rem 1rem;
    background: none;
  }
  .hero-catch {
    font-size: 0.9rem;
    text-align: center;
    background: rgba(0,151,211,0.85);
    padding: 0.6rem 1.2rem;
  }
  .hero-catch-logo { display: none !important; }
  .hero-label { font-size: 0.85rem; top: 1rem; left: 1rem; }
  .hero-tags {
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    justify-content: center;
  }
  .hero-bottom-tag { font-size: 0.75rem; padding: 0.3rem 0.7rem; }
  .hero-text-center h1 { font-size: 1.4rem; }
  .hero-cta-group { flex-direction: column; }
  .btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
  }

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

  .class-grid { grid-template-columns: 1fr; }
  .report-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-nav { flex-direction: column; gap: 1.5rem; }

  .cta-title { font-size: 1.4rem; }
}

/* ========================================
   フワフワキャラクター（セクション装飾）
======================================== */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-14px) rotate(3deg); }
}

@keyframes float-alt {
  0%, 100% { transform: translateY(0) rotate(2deg); }
  50% { transform: translateY(-12px) rotate(-4deg); }
}

.floating-chara {
  position: absolute;
  width: 240px;
  height: auto;
  z-index: 10;
  pointer-events: none;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.1));
}

.chara-green {
  right: calc(50% - 520px);
  bottom: -50px;
  animation: float 3.5s ease-in-out infinite;
}

.chara-orange {
  left: calc(50% - 520px);
  top: 40px;
  animation: float-alt 4s ease-in-out infinite;
}

@media (max-width: 1200px) {
  .chara-green { right: 2rem; width: 180px; }
  .chara-orange { left: 2rem; width: 180px; }
}

@media (max-width: 768px) {
  .floating-chara {
    position: relative;
    display: block;
    margin: 1.5rem auto 0;
    width: 200px;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
  }
  .chara-green { animation: float 3s ease-in-out infinite; }
  .chara-orange { animation: float-alt 3.5s ease-in-out infinite; }
}