/* ====================================
   Modern Tech Style Theme
   ==================================== */
   :root {
    /* モダンなブルーグラデーションの定義 */
    --color-primary: #0f2043; /* 深いネイビー */
    --color-primary-light: #2c5282;
    --grad-main: linear-gradient(135deg, #0f2043 0%, #1a365d 100%);
    --grad-accent: linear-gradient(135deg, #0052D4 0%, #4364F7 50%, #6FB1FC 100%); /* 鮮やかなブルー */
    
    --color-text: #2d3748; /* 基本の文字色（濃いグレー） */
    --color-text-light: #718096;
    --color-bg-body: #f7fafc;
    --color-bg-card: #ffffff;
    
    --font-base: "Noto Sans JP", sans-serif;
    --font-en: "Montserrat", sans-serif; /* 英数字用 */
    
    --radius-card: 16px; /* 角丸を大きめに */
    --radius-btn: 50px;
    --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  }
  
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: var(--font-base);
    line-height: 1.7; /* 行間を広げてゆとりを出す */
    color: var(--color-text);
    background-color: var(--color-bg-body);
    letter-spacing: 0.03em;
    padding-top: 100px; /* ★修正点：2段ヘッダーの高さ分、bodyの上部にパディングを追加 */
  }
  
  .wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 24px; 
    padding-right: 24px; 
  }
  
  a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: all 0.3s ease;
  }
  
  /* アクセシビリティ: リンクのフォーカス状態 */
  a:focus-visible {
    outline: 2px solid rgba(67, 100, 247, 0.6);
    outline-offset: 2px;
    border-radius: 2px;
  }
  
  /* ====================================
     タイポグラフィ
     ==================================== */
  h1, h2, h3 {
    color: var(--color-primary); /* 基本の見出し色はネイビー */
    line-height: 1.4;
  }
  
  h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
  }
  
  h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-base);
  }
  
  /* リード文 */
  .lead {
    font-size: 1.15rem;
    color: var(--color-text);
    max-width: 800px;
    margin: 0 auto 40px;
  }
  
  /* セクションタイトルの装飾（英語を混ぜておしゃれに） */
  .sectionTitle {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
  }
  .sectionTitle h2::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--grad-accent);
    margin: 0 auto 16px;
    border-radius: 2px;
  }
  
  .hint {
    font-family: var(--font-en);
    color: var(--color-text-light);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
  }
  
  .em {
    background: linear-gradient(transparent 70%, #b3d7ff 70%); /* 蛍光ペン風マーカー */
    font-weight: 700;
    padding: 0 4px;
  }
  
  /* ====================================
     ボタン (Gradients & Shadows)
     ==================================== */
  .btn {
    display: inline-block;
    padding: 14px 32px;
    font-weight: 700;
    font-family: var(--font-base);
    text-align: center;
    border-radius: var(--radius-btn);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--color-primary-light); /* ボーダーを追加して視認性向上 */
    background-color: #fff;
    color: var(--color-primary);
    box-shadow: var(--shadow-card);
  }
  
  .btn.primary {
    background: var(--grad-accent);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px 0 rgba(0,118,255,0.39);
  }
  
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary); /* ホバー時にボーダーを濃く */
  }
  .btn.primary:hover {
    box-shadow: 0 6px 20px rgba(0,118,255,0.23);
    opacity: 0.9;
  }
  
  /* アクセシビリティ: フォーカス状態のスタイル */
  .btn:focus-visible {
    outline: 3px solid rgba(67, 100, 247, 0.5);
    outline-offset: 2px;
    border-color: var(--color-primary);
  }
  .btn.primary:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.6);
    outline-offset: 2px;
  }
  
  /* ====================================
     ヘッダー (メインバー)
     ==================================== */
  header {
    background-color: rgba(255, 255, 255, 0.9); /* すりガラス風 */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    /* border-bottom: 1px solid rgba(0,0,0,0.05);  -> sub-navに移す */
    padding: 16px 0;
    position: fixed; /* ★修正点：fixedに変更 */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
  }
  
  .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .brand-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-primary);
    font-family: var(--font-en); 
    letter-spacing: -0.02em;
    white-space: nowrap; 
  }
  
  .cta { display: flex; gap: 12px; }

  /* ====================================
     サブナビゲーション (ページ内リンクバー)
     ==================================== */
  .sub-nav {
    position: fixed; /* ★修正点：fixedで固定 */
    top: 87px;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.5); /* すりガラス風 */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05); /* メインヘッダーから移動 */
    padding: 10px 0; /* 細いバーにするためのパディング */
    z-index: 1001; /* headerより上に表示されるように修正 */
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  }
  .sub-nav-toggle {
    display: none;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    color: var(--color-primary);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-btn);
    padding: 10px 18px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-card);
    cursor: pointer;
  }
  .sub-nav-toggle:focus-visible {
    outline: 2px solid rgba(67,100,247,0.5);
    outline-offset: 2px;
  }
  .sub-nav-toggle .toggle-icon {
    position: relative;
    width: 18px;
    height: 18px;
  }
  .sub-nav-toggle .toggle-icon::before,
  .sub-nav-toggle .toggle-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transition: transform 0.3s;
  }
  .sub-nav-toggle .toggle-icon::after {
    transform: rotate(90deg);
  }
  .sub-nav-toggle[aria-expanded="true"] .toggle-icon::after {
    transform: rotate(0deg);
  }
  .navlinks {
    display: flex; 
    flex-wrap: nowrap; 
    align-items: center;
    gap: 24px; 
  }

  .navlinks a {
    margin-left: 0; 
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    white-space: nowrap; 
  }
  .navlinks a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #4364F7;
    transition: width 0.3s;
  }
  .navlinks a:hover::after {
    width: 100%;
  }
  .navlinks a:hover {
    color: #4364F7;
  }
  
  .navlinks a:focus-visible {
    outline: 2px solid rgba(67, 100, 247, 0.6);
    outline-offset: 4px;
    border-radius: 2px;
  }
  
  .navlinks a.active {
    color: #4364F7;
    font-weight: 700;
  }
  
  .navlinks a.active::after {
    width: 100%;
  }
  
  /* ====================================
     ヒーローセクション
     ==================================== */
  .hero {
/* 背景色を黒に変更（シェーダー背景用） */
background: #000; 
/* 文字色を白に変更（このセクション内のみ） */
color: #fff; 
padding: 120px 0 100px;
text-align: center;
position: relative;
overflow: hidden;
  }

  /* WebGLが利用できない環境でのフォールバック */
  .hero.no-visual {
    background: var(--grad-main);
  }
  .hero.no-visual::before,
  .hero.no-visual::after,
  .hero.no-visual .neural-container {
    display: none;
  }

  
/* グリッドパターンはシェーダー背景の上に薄く表示（オプション） */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%; 
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
  
  /* 薄いグリッドパターン */
  background-image: 
      linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);

  background-size: 30px 30px;
  background-position: 0 0;
  background-repeat: repeat;
}

  /* 背景のドットパターン（全体に配置） */
  /* .hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 0;
    pointer-events: none;
  } */

  .hero h1 { 
    /* h1は白に */
    color: #fff; 
  }
  
  /* ニューラルネットワークコンテナ */
  .neural-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background: #000;
  }
  
  .neural-container canvas {
    display: block;
    width: 100%;
    height: 100%;
  }
  
  /* グラデーションオーバーレイ（サンプルと同じ） */
  .neural-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, transparent 50%, rgba(0, 0, 0, 0.2) 100%);
    pointer-events: none;
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
  }
  
  /* ヒーローセクション下部のグラデーション */
  .hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 96px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
    pointer-events: none;
    z-index: 1;
  }
  
  .kicker {
    font-family: var(--font-en);
    font-weight: 700;
    /* kickerの文字色を明るいブルーに */
    color: #6FB1FC; 
    margin-bottom: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: inline-block;
    /* 背景を薄い白に変更 */
    background: rgba(255, 255, 255, 0.1); 
    padding: 6px 16px;
    border-radius: 20px;
  }
  
  /* ヒーロー内のリード文は読みやすく明るい色に */
  .hero .lead {
    font-size: 1.15rem;
    color: #e2e8f0; /* より明るい色でコントラストを改善 */
    max-width: 800px;
    margin: 0 auto 40px;
  }
  
  .hero-cta {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  
  .pill {
    display: inline-block;
    padding: 6px 16px;
    /* pillの背景・文字・枠線を調整 */
    background: rgba(255, 255, 255, 0.15); 
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    font-size: 0.85rem;
    margin: 0 6px;
    font-weight: 600;
    box-shadow: none;
  }
  
  /* ====================================
     カード & セクション
     ==================================== */
  section { 
    padding: 100px 0; 
    scroll-margin-top: 140px; /* 固定ヘッダー分のオフセット */
  }
  section.alt { background-color: #eef3ff; }
  
  .card {
    background-color: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255,255,255,0.5);
    height: 100%;
    position: relative;
    overflow: hidden;
    color: var(--color-text); 
  }

  /* カード内の見出し色を明示的に設定（継承の影響を受けないように） */
  .card h3 {
    color: var(--color-primary); 
  }
  
  .pad { padding: 40px; }
  
  /* ホバー時に少し浮き上がり、影が濃くなる */
  .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
  }
  
  /* グリッドレイアウト */
  .cols3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
  }
  .grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  
  /* ロゴセクションの上下中央配置 */
  .logos .card {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .logos .card img {
    object-fit: contain;
  }
  
  .tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--grad-main);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 12px;
    font-family: var(--font-base);
  }
  
  /* miniクラス（Nutanixセクションなどで使用） */
  .mini {
    display: flex;
    flex-direction: column;
  }
  
  .mini svg {
    color: var(--color-primary);
    margin-bottom: 12px;
  }
  
  .mini h3 {
    margin-top: 0;
    margin-bottom: 8px;
  }
  
.mini p {
  margin: 0;
}
.stack {
  display: grid;
  gap: 16px;
}
  
  /* ====================================
     セキュリティ図解などの特別パーツ
     ==================================== */
  .diagram {
    background: #1a202c; /* ダークモード風 */
    color: #a0aec0;
    padding: 40px;
    border-radius: 12px;
    font-family: "Menlo", monospace;
    line-height: 1.8;
    font-size: 0.95rem;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
  }
  
  /* 多層防御のグラフィカルなレイヤー構造 */
  .layered-defense {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 0;
  }
  
  .layer-item {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 400px;
    padding: 16px 20px;
    border-radius: 12px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
  }
  
  .layer-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  .layer-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
    color: var(--color-primary);
  }
  
  .layer-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .layer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .layer-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
  }
  
  .layer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
  }
  
  .layer-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin: 0;
  }
  
  .layer-arrow {
    font-size: 32px; /* サイズを大きくして目立たせる */
    color: #4364F7; /* より鮮やかなブルーに */
    font-weight: 700; /* 太字にして強調 */
    margin: -4px 0;
    animation: pulse-arrow 1.5s ease-in-out infinite;
    text-shadow: 0 2px 8px rgba(67, 100, 247, 0.4); /* グロー効果を追加 */
  }
  
  @keyframes pulse-arrow {
    0%, 100% {
      opacity: 0.8;
      transform: translateY(0) scale(1);
    }
    50% {
      opacity: 1;
      transform: translateY(8px) scale(1.1); /* より大きく動かす */
    }
  }
  
  /* 各レイヤーの色分け */
  .attack-layer {
    background: linear-gradient(135deg, #fee 0%, #fdd 100%);
    border-color: #fcc;
  }
  
  .waf-layer {
    background: linear-gradient(135deg, #e6f3ff 0%, #cce7ff 100%);
    border-color: #99d3ff;
  }
  
  .app-layer {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-color: #bae6fd;
  }
  
  .edr-layer {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #bbf7d0;
  }
  
  .backup-layer {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #fcd34d;
  }
  
  .flow {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    position: relative;
  }
  /* フローの線 */
  .flow::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #e2e8f0;
    z-index: 0;
  }
  .step {
    text-align: center;
    position: relative;
    z-index: 1;
    background: #f7fafc; 
    padding: 0 10px;
  }
  .step span {
    display: block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    background: #fff;
    color: #4364F7;
    font-weight: 800;
    font-size: 1.4rem;
    margin: 0 auto 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    font-family: var(--font-en);
    border: 2px solid #4364F7;
  }
  
  .notice {
    background-color: #ebf8ff;
    border-left: 4px solid #4299e1;
    padding: 20px;
    border-radius: 8px;
    margin-top: 32px;
    color: #2b6cb0;
    font-size: 0.95rem;
  }
  
  /* ====================================
     お問い合わせセクション
     ==================================== */
  .contact {
    max-width: 900px;
    margin: 0 auto;
  }
  
  .contact-cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 20px;
  }
  
  .contact-cta-single {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .contact-cta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
  }
  
  .contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
  }
  
  .contact-cta:hover::before {
    left: 100%;
  }
  
  .contact-cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary-light);
  }
  
  .contact-cta:focus-visible {
    outline: 3px solid rgba(67, 100, 247, 0.5);
    outline-offset: 2px;
    border-color: var(--color-primary-light);
  }
  
  .web-form-cta {
    background: linear-gradient(135deg, #fff 0%, #f0f7ff 100%);
  }
  
  .web-form-cta:hover {
    background: linear-gradient(135deg, #f0f7ff 0%, #e0efff 100%);
  }
  
  .cta-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-accent);
    border-radius: 14px;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(67, 100, 247, 0.3);
    transition: transform 0.3s ease;
  }
  
  .contact-cta:hover .cta-icon {
    transform: scale(1.1) rotate(5deg);
  }
  
  .cta-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  
  .cta-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
  }
  
  
  .cta-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
  }
  
  .cta-arrow {
    color: var(--color-primary-light);
    opacity: 0.6;
    transition: all 0.3s ease;
    flex-shrink: 0;
  }
  
  .contact-cta:hover .cta-arrow {
    opacity: 1;
    transform: translateX(4px);
  }
  
  /* ====================================
     会社情報セクション
     ==================================== */
  .company-info {
    max-width: 700px;
    margin: 0 auto;
  }
  
  .company-info-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid #e2e8f0;
    padding: 32px 40px;
    margin-top: 40px;
  }
  
  .company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    text-align: center;
  }
  
  .company-details-list {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .company-detail-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    align-items: flex-start;
  }
  
  .company-detail-row dt {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    padding-top: 2px;
  }
  
  .company-detail-row dt svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
  }
  
  .company-detail-row dd {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
  }
  
  .company-detail-row dd > div:first-child {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 4px;
  }
  
  .company-detail-row .detail-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 4px;
  }
  
  .company-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  
  .company-link::after {
    content: '↗';
    font-size: 0.85em;
    opacity: 0.6;
    transition: all 0.3s ease;
  }
  
  .company-link:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
  }
  
  .company-link:hover::after {
    opacity: 1;
    transform: translate(2px, -2px);
  }
  
  .company-link:focus-visible {
    outline: 2px solid rgba(67, 100, 247, 0.6);
    outline-offset: 2px;
    border-radius: 2px;
  }
  
  /* ====================================
     フッター
     ==================================== */
  footer {
    background: var(--color-primary);
    color: #cbd5e0;
    padding: 60px 0;
    font-size: 0.9rem;
  }
  footer .wrap { border-top: 1px solid rgba(255,255,255,0.1); padding-top:40px; }
  .footerGrid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
  }
  footer h4 { color: #fff; margin-bottom: 12px; font-weight: 700; }
  footer a { color: #cbd5e0; opacity: 0.8; }
  footer a:hover { opacity: 1; color: #fff; }
  
  /* ====================================
     スマホ対応 (Responsive)
     ==================================== */
  @media (max-width: 768px) {
    body {
        padding-top: 68px; /* ★修正点：スマホではサブナビを非表示にするため、パディングを調整 */
    }
    header {
      padding: 12px 0;
    }
    .nav {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }
    .brand-title {
      font-size: 1rem;
      white-space: normal;
      line-height: 1.3;
    }
    .cta {
      display: none;
    }
    h1 { font-size: 2rem; }
    .grid2, .cols3 { grid-template-columns: 1fr; }
    
    .sub-nav {
      position: sticky;
      top: 68px;
      z-index: 1000;
      background: rgba(255,255,255,0.95);
    }
    .sub-nav-toggle {
      display: flex;
      margin-bottom: 8px;
    }
    .sub-nav .navlinks {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      padding: 0;
      transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    }
    .sub-nav .navlinks.open {
      max-height: 400px;
      opacity: 1;
      padding: 12px 0 4px;
    }
    
    /* navlinks（ctaの資料ボタンも）はスマホで非表示 */
    .cta .btn:not(.primary) { display: none; } 

    .flow { flex-direction: column; gap: 20px; }
    .flow::before { display: none; } /* スマホでは横線消す */
    .step { display: flex; align-items: center; gap: 16px; background: transparent; padding: 0; }
    .step span { margin: 0; width: 40px; height: 40px; line-height: 40px; font-size: 1.2rem; }
    
    /* 多層防御レイヤーのモバイル対応 */
    .layer-item {
      max-width: 100%;
      padding: 14px 16px;
    }
    
    .layer-icon {
      width: 40px;
      height: 40px;
    }
    
    .layer-icon svg {
      width: 20px;
      height: 20px;
    }
    
    .layer-title {
      font-size: 0.95rem;
    }
    
    .layer-subtitle {
      font-size: 0.8rem;
    }
    
    /* お問い合わせCTAのモバイル対応 */
    .contact-cta {
      padding: 24px 20px;
      gap: 16px;
    }
    
    .cta-icon {
      width: 56px;
      height: 56px;
    }
    
    .cta-icon svg {
      width: 28px;
      height: 28px;
    }
    
    /* 会社情報のモバイル対応 */
    .company-info-card {
      padding: 24px 20px;
    }
    
    .company-name {
      font-size: 1.3rem;
      margin-bottom: 24px;
      padding-bottom: 16px;
    }
    
    .company-detail-row {
      grid-template-columns: 1fr;
      gap: 12px;
    }
    
    .company-detail-row dt {
      font-size: 0.85rem;
    }
    
    .company-detail-row dd {
      font-size: 0.9rem;
    }
  }


  /* ====================================
   オプションセクションとバッジの追加定義
   ==================================== */

/* オプションのテキストを少し小さく、色を薄くする */
.small-text {
  font-size: 0.95rem;
  color: var(--color-text-light); /* 薄いグレー */
}

/* オプションアイコンのスタイル */
.option-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.option-icon svg {
  width: 36px;
  height: 36px;
  transition: transform 0.3s ease;
}

.option-item:hover .option-icon svg {
  transform: scale(1.1);
}

/* NEWバッジのスタイリッシュな定義 */
.badgeNew {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 50px; /* 角を丸く */
  background: linear-gradient(90deg, #ff6b6b 0%, #ee5253 100%); /* 赤系のグラデーション */
  color: white;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 4px rgba(255, 107, 107, 0.3);
}

/* モバイルでのオプションカード調整 */
@media (max-width: 768px) {
  .badgeNew {
    float: none !important; 
    margin-bottom: 8px; 
  }
  
  .option-icon {
    width: 32px;
    height: 32px;
  }
  
  .option-icon svg {
    width: 32px;
    height: 32px;
  }
}

/* ====================================
   相談カードセクション
   ==================================== */
.consultation-card {
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  box-shadow: 0 8px 24px rgba(67, 100, 247, 0.12);
  border: 2px solid rgba(67, 100, 247, 0.15);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.consultation-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(67, 100, 247, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.consultation-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(67, 100, 247, 0.18);
  border-color: rgba(67, 100, 247, 0.25);
}

.consultation-content {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.consultation-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-accent);
  border-radius: 16px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(67, 100, 247, 0.3);
  transition: transform 0.3s ease;
}

.consultation-card:hover .consultation-icon {
  transform: scale(1.1) rotate(5deg);
}

.consultation-icon svg {
  width: 32px;
  height: 32px;
}

.consultation-text {
  flex: 1;
  text-align: left;
}

.consultation-text h3 {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
}

.consultation-text p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .consultation-card {
    padding: 32px 24px;
  }
  
  .consultation-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }
  
  .consultation-text {
    text-align: center;
  }
  
  .consultation-text h3 {
    font-size: 1.15rem;
  }
  
  .consultation-text p {
    font-size: 1rem;
  }
  
  .consultation-icon {
    width: 56px;
    height: 56px;
  }
  
    .consultation-icon svg {
      width: 28px;
      height: 28px;
    }
    .assurance-layout,
    .nutanix-grid,
    .accent-grid {
      grid-template-columns: 1fr;
    }
    .accent-metrics {
      flex-direction: row;
      justify-content: space-between;
    }
    .timeline-dot {
      left: -32px;
    }
}

/* ====================================
   Utility classes
   ==================================== */
.list-plain {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text);
  font-size: 0.95rem;
}

.text-muted {
  color: var(--color-text-light);
}

.note {
  color: var(--color-text-light);
  margin-top: 12px;
}

.mb-12 {
  margin: 0 0 12px 0;
}

.mb-16 {
  margin: 0 0 16px 0;
}

.mb-32 {
  margin: 0 0 32px 0;
}

/* ====================================
   Section variations
   ==================================== */
.assurance-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  align-items: stretch;
}

.assurance-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.icon-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.icon-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--color-text);
  font-size: 0.95rem;
}

.icon-list li::before {
  content: '•';
  color: #4364F7;
  font-weight: 700;
}

.timeline-card {
  position: relative;
  overflow: hidden;
}

.timeline {
  position: relative;
  margin-left: 12px;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, #4364F7, #6FB1FC);
  border-radius: 999px;
}

.timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -38px;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #f7fafc;
  border: 2px solid #4364F7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #4364F7;
}

.timeline-content h4 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--color-primary);
}

.timeline-content p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}

.nutanix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  align-items: center;
}

.checklist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding-left: 28px;
  color: var(--color-text);
}

.checklist li::before {
  content: '✔';
  position: absolute;
  left: 0;
  top: 0;
  color: #2c5282;
  font-size: 0.85rem;
}

.nutanix-stats {
  display: grid;
  gap: 20px;
}

.stat-card {
  background: #f7fafc;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-card);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 6px 0 8px;
}

.stat-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}

.accent-band {
  background: var(--grad-accent);
  color: #fff;
  padding: 60px 0;
  margin-top: -40px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.accent-band::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: rgba(255, 255, 255, 0.08);
  transform: rotate(25deg);
}

.accent-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  position: relative;
  z-index: 1;
  align-items: center;
}

.accent-metrics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.metric-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.8;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.faq-item {
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: var(--shadow-card);
  padding: 0 20px;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 700;
  color: var(--color-primary);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  font-size: 1.2rem;
  transition: transform 0.3s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-body {
  border-top: 1px solid #edf2f7;
  padding: 16px 0 20px;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.7;
}