/* リセットとベーススタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --primary-bg: #eef2ff;
  --secondary: #f97316;
  --text-dark: #1e293b;
  --text-medium: #475569;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

ul {
  list-style: none;
}

#mainImg{
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 528px;
}

#mainImg img{
  position: absolute;
  left: 50%;
  max-width: 1280px;
  width: 1280px;
  height: 528px;
  margin-left: -640px;
}

img{
	/*max-width: 100%;*/
	height: auto;
  padding-bottom: 50px;
}

/* ボタンスタイル */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  border: 1px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-outline:hover {
  background-color: var(--primary-bg);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ヘッダースタイル */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--primary);
}

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

.nav-desktop a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-medium);
  position: relative;
  padding: 0.5rem 0;
}

.nav-desktop a:hover, .nav-desktop a.active {
  color: var(--primary);
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s ease;
}

.nav-desktop a:hover::after, .nav-desktop a.active::after {
  width: 100%;
}

.header-buttons {
  display: flex;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 6px 0;
  background-color: var(--text-dark);
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  background-color: var(--bg-white);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-mobile a {
  display: block;
  padding: 0.5rem 0;
  font-weight: 500;
  color: var(--text-medium);
}

.nav-mobile a:hover, .nav-mobile a.active {
  color: var(--primary);
}

.nav-mobile .btn {
  margin-top: 1rem;
}

/* セクションスタイル */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  background-color: var(--primary-bg);
  color: var(--primary);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-header h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-medium);
  max-width: 700px;
  margin: 0 auto;
}

/* 料金プランカード */
.pricing-hero {
  background: linear-gradient(to bottom, var(--bg-white), var(--bg-light));
  position: relative;
  overflow: hidden;
}

.pricing-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--primary-bg) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
  z-index: 0;
}

.pricing-hero .container {
  position: relative;
  z-index: 1;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background-color: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid var(--border-light);
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-10px);
}

.popular-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--primary);
  color: white;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 2rem;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-white);
}

.card-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.card-header p {
  color: var(--text-medium);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.price {
  margin-top: 1.5rem;
}

.amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1;
}

.period {
  font-size: 0.95rem;
  color: var(--text-medium);
  margin-left: 0.5rem;
}

.monthly {
  font-size: 0.9rem;
  color: var(--text-medium);
  margin-top: 0.5rem;
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
  background-color: var(--bg-white);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-medium);
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.card-footer {
  padding: 2rem;
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-white);
}

/* 比較表 */
.comparison-section {
  background-color: var(--bg-white);
}

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  background-color: var(--bg-white);
}

.comparison-table th,
.comparison-table td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  background-color: var(--bg-light);
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-dark);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.table-icon {
  width: 24px;
  height: 24px;
  margin: 0 auto;
}

.table-icon.check {
  color: var(--primary);
}

.table-icon.cross {
  color: var(--text-light);
}

/* FAQ セクション */
.faq-section {
  background-color: var(--bg-light);
  position: relative;
  overflow: hidden;
}

.faq-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(var(--primary-bg) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
  z-index: 0;
}

.faq-section .container {
  position: relative;
  z-index: 1;
}

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

.accordion-item {
  margin-bottom: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.accordion-item:hover {
  box-shadow: var(--shadow-lg);
}

.accordion-header {
  width: 100%;
  padding: 1.5rem;
  background-color: var(--bg-white);
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dark);
  transition: var(--transition);
}

.accordion-header:hover {
  color: var(--primary);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: var(--transition);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

.accordion-content p {
  color: var(--text-medium);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* お問い合わせセクション */
.contact-section {
  background-color: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.contact-info > p {
  color: var(--text-medium);
  font-size: 1.1rem;
}

.contact-methods {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-circle svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.contact-method h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.small {
  font-size: 0.9rem;
  color: var(--text-medium);
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 500;
  margin-top: 0.5rem;
  color: var(--text-dark);
}

.contact-form {
  background-color: var(--bg-light);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.contact-form .small {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-dark);
  background-color: var(--bg-white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.privacy-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 1rem;
}

/*フッターCSS*/
  .footer {
    background-color: #c5b69c;
    color: white;
    padding: 40px 60px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  
  .footer .left {
    max-width: 400px;
  }
  
  .footer .logo {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
  }
  
  .footer .logo .orange {
    color: #ff6c2c;
  }
  
  .footer .tagline {
    margin-bottom: 20px;
    font-size: 16px;
  }
  
  .footer .address {
    font-size: 14px;
    line-height: 1.6;
  }
  
  .footer .right ul {
    list-style: none;
    padding: 40px;
    margin: 10px;
  }
  
  .footer .right ul li {
    margin-bottom: 10px;
  }
  
  .footer .right ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
  }
  
  .footer .right ul li a:hover {
    text-decoration: underline;
  }
  
  .copyright {
    background-color: #c5b69c;
    color: white;
    text-align: center;
    font-size: 14px;
    padding-bottom: 20px;
  }




.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}


/* ヘッダーセクション追加した上部のほう */
        .header-section {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .main-title {
            font-size: 2.2rem;
            color: #2c5282;
            font-weight: bold;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .sub-title {
            font-size: 2.8rem;
            color: #1a202c;
            font-weight: bold;
            margin-bottom: 40px;
        }

        .parent-illustration {
            position: absolute;
            right: 0;
            top: 0;
            width: 150px;
            height: auto;
        }

        /* 悩みセクション */
        .concerns-section {
            position: relative;
            margin-bottom: 80px;
        }

        .concerns-container {
            background: white;
            border: 3px solid #2c5282;
            border-radius: 20px;
            padding: 60px 40px;
            position: relative;
            transform: perspective(1000px) rotateX(5deg);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .concerns-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            max-width: 900px;
            margin: 0 auto;
        }

        .concern-bubble {
            background: linear-gradient(135deg, #4a90a4 0%, #357a8a 100%);
            color: white;
            padding: 25px 30px;
            border-radius: 25px;
            position: relative;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .concern-bubble::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 30px;
            width: 0;
            height: 0;
            border-left: 15px solid transparent;
            border-right: 15px solid transparent;
            border-top: 15px solid #357a8a;
        }

        .concern-bubble:nth-child(2)::after,
        .concern-bubble:nth-child(4)::after {
            left: auto;
            right: 30px;
        }

        .concern-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 8px;
            color: #ffd700;
        }

        .concern-description {
            font-size: 1rem;
            line-height: 1.5;
            opacity: 0.95;
        }

        /* 特別なハイライト */
        .highlight-yellow {
            color: #ffd700;
            font-weight: bold;
        }

        /* ボトムメッセージ */
        .bottom-message {
            text-align: center;
            background: white;
            padding: 40px 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border: 2px solid #e2e8f0;
            margin-bottom: 80px;
        }

        .bottom-title {
            font-size: 2rem;
            color: #1a202c;
            font-weight: bold;
            margin-bottom: 10px;
            background: linear-gradient(45deg, #ffd700, #ffed4e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bottom-subtitle {
            font-size: 1.4rem;
            color: #2c5282;
            font-weight: bold;
        }

        /* HALLOセクション */
        .hallo-section {
            background: linear-gradient(135deg, #c5c5c5 0%, #d4d4d4 100%);
            padding: 60px 40px;
            border-radius: 20px;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .hallo-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .yaruki-logo {
            background: white;
            padding: 8px 20px;
            border-radius: 10px;
            display: inline-block;
            margin-bottom: 30px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .yaruki-text {
            color: #360cef;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .age-groups {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .age-circle {
            width: 80px;
            height: 80px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #2c5282;
            font-size: 1rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            border: 3px solid #2c5282;
        }

        .hallo-title {
            font-size: 2.5rem;
            color: #1a202c;
            font-weight: bold;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .hallo-subtitle {
            font-size: 3rem;
            color: #1a202c;
            font-weight: bold;
        }

        /* アコーディオンセクション */
        .accordion-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .accordion-item {
            background: white;
            border: 3px solid #2c5282;
            border-radius: 10px;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .accordion-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
        }

        .accordion-header {
            padding: 25px 30px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: white;
            transition: background-color 0.3s ease;
        }

        .accordion-header:hover {
            background: #f7fafc;
        }

        .accordion-number {
            font-size: 2rem;
            color: #4a90a4;
            font-weight: bold;
            margin-right: 15px;
        }

        .accordion-title {
            flex: 1;
            font-size: 1.4rem;
            color: #1a202c;
            font-weight: bold;
        }

        .accordion-title .highlight-red {
            color: #e53e3e;
        }

        .accordion-icon {
            font-size: 1.5rem;
            color: #4a90a4;
            font-weight: bold;
            transition: transform 0.3s ease;
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: #f7fafc;
        }

        .accordion-item.active .accordion-content {
            max-height: 300px;
        }

        .accordion-body {
            padding: 30px;
            color: #4a5568;
            font-size: 1.1rem;
            line-height: 1.7;
        }
























/* レスポンシブスタイル */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-about {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {

      #mainImg {
        height: auto;
        padding-top: 10px;
      }
    
      #mainImg img {
        position: static;
        display: block;
        width: 100%;
        height: auto;
        margin: 0 auto;
      }

  .nav-desktop, .header-buttons {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-mobile.active {
    display: block;
  }

  .section-header h1 {
    font-size: 2.25rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .section-header p {
    font-size: 1rem;
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .pricing-card.popular:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 576px) {
  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-about {
    grid-column: span 1;
  }
  
  .amount {
    font-size: 2rem;
  }
}


/* レスポンシブデザイン */
        @media (max-width: 768px) {
            .container {
                padding: 20px 15px;
            }

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

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

            .parent-illustration {
                position: static;
                width: 100px;
                margin: 20px auto;
                display: block;
            }

            .concerns-container {
                padding: 40px 20px;
                transform: none;
            }

            .concerns-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .concern-bubble {
                padding: 20px 25px;
            }

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

            .concern-description {
                font-size: 0.9rem;
            }

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

            .bottom-subtitle {
                font-size: 1.2rem;
            }

            .hallo-section {
                padding: 40px 20px;
            }

            .age-groups {
                gap: 15px;
            }

            .age-circle {
                width: 60px;
                height: 60px;
                font-size: 0.9rem;
            }

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

            .hallo-subtitle {
                font-size: 2.2rem;
            }

            .accordion-header {
                padding: 20px 20px;
            }

            .accordion-number {
                font-size: 1.5rem;
            }

            .accordion-title {
                font-size: 1.2rem;
            }

            .accordion-body {
                padding: 20px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .main-title {
                font-size: 1.4rem;
            }

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

            .concerns-container {
                padding: 30px 15px;
            }

            .concern-bubble {
                padding: 18px 20px;
                border-radius: 20px;
            }

            .bottom-message {
                padding: 30px 20px;
            }

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

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

            .hallo-section {
                padding: 30px 15px;
            }

            .age-groups {
                flex-wrap: wrap;
                gap: 10px;
            }

            .age-circle {
                width: 50px;
                height: 50px;
                font-size: 0.8rem;
            }

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

            .hallo-subtitle {
                font-size: 1.8rem;
            }

            .accordion-header {
                padding: 15px 15px;
            }

            .accordion-number {
                font-size: 1.3rem;
                margin-right: 10px;
            }

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

          /* レスポンシブ対応：スマホ画面向け */
        @media screen and (max-width: 600px) {
            .footer .right ul {
                padding: 20px;
                margin: 0;
            }

            .footer .right ul li a {
                font-size: 14px;
                white-space: nowrap; /* ←これが改行を防ぐポイント */
            }
        }