:root {
    --blue-900: #062766;
    --blue-800: #0A3FA8;
    --blue-700: #0E52D4;
    --blue-500: #1E6BE6;
    --blue-200: #B8D0F2;
    --blue-100: #E6EFFA;
    --blue-050: #F3F7FD;
    --ink: #0B1420;
    --ink-2: #2A3648;
    --ink-3: #5A6677;
    --line: #E5EAF2;
    --line-soft: #EEF1F6;
    --bg: #FFFFFF;
    --bg-soft: #F7F9FC;
    --maxw: 1120px; /* 少し狭めて読みやすく */
    --gap: clamp(16px, 2vw, 28px);
  }

  /* ─────────── Reset & Base ─────────── */
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
  body { font-family: "Noto Sans JP", "Inter", system-ui, sans-serif; font-weight: 400; font-size: 15px; line-height: 1.7; letter-spacing: .02em; }
  img { max-width: 100%; display: block; height: auto; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; padding: 0; }

  .serif { font-family: "Noto Serif JP", serif; font-weight: 500; letter-spacing: .04em; }
  .mono { font-family: "Inter", ui-monospace, Menlo, monospace; letter-spacing: .12em; text-transform: uppercase; font-size: 11px; font-weight: 600; color: var(--blue-800); }
  .esion-text { font-family: "Noto Sans JP", sans-serif !important; font-weight: 700; letter-spacing: 0.05em; }

  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
  .section-padding { padding: clamp(80px, 10vw, 140px) 0; }

  /* Buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 18px 40px; font-size: 15px; font-weight: 700; letter-spacing: .1em; border-radius: 999px; transition: all .2s ease; text-decoration: none; line-height: 1;}
  .btn-primary { background: var(--blue-800); color: #fff; box-shadow: 0 8px 24px -8px rgba(10,63,168,0.5); }
  .btn-primary:hover { background: var(--blue-900); transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(10,63,168,0.6); }
  .btn-outline { background: #fff; color: var(--blue-800); border: 2px solid var(--blue-800); }
  .btn-outline:hover { background: var(--blue-050); }
  .btn svg { width: 18px; height: 18px; }

  /* ─────────── Hero ─────────── */
  .hero-page { position: relative; background: #062766; color: #fff; padding: 120px 0 100px; text-align: center; overflow: hidden;}
  .hero-page::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, rgba(30,107,230,0.4) 0%, transparent 60%); pointer-events: none; }
  .hero-page .stripe { position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent 0 2px, rgba(255,255,255,.02) 2px 4px); z-index: 1;}
  .hero-page .inner { position: relative; z-index: 2; }
  .hero-page .kicker { color: var(--blue-200); margin-bottom: 16px; display: inline-block; border-bottom: 1px solid rgba(184, 208, 242, 0.3); padding-bottom: 4px;}
  .hero-page h1 { font-family: "Noto Serif JP", serif; font-size: clamp(36px, 6vw, 56px); font-weight: 700; margin: 0; letter-spacing: 0.05em; text-shadow: 0 4px 20px rgba(0,0,0,0.2);}
  .hero-page p { max-width: 640px; margin: 32px auto 0; font-size: clamp(15px, 2vw, 16px); line-height: 2.2; color: #cfdcfa; }

  /* ─────────── 共通の画像トリミング ─────────── */
  .viz-img { width: 100% !important; height: 100% !important; object-fit: cover !important; position: absolute !important; inset: 0 !important; z-index: 1 !important; display: block !important; }

  /* ─────────── Intro ─────────── */
  .intro-section { text-align: center; background: #fff; padding: 80px 0; border-bottom: 1px solid var(--line-soft);}
  .intro-section .lead-text { font-family: "Noto Serif JP", serif; font-size: clamp(24px, 4vw, 40px); font-weight: 700; color: var(--blue-900); line-height: 1.5; margin: 0 0 32px; }
  .intro-section .sub-text { font-size: 16px; color: var(--ink-2); line-height: 2.2; max-width: 720px; margin: 0 auto; }

  /* ─────────── Features (Flex Order) ─────────── */
  .features { background: var(--bg-soft); }
  .feat-head { text-align: center; margin-bottom: clamp(60px, 8vw, 100px); }
  .feat-head h2 { font-family: "Noto Serif JP", serif; font-size: clamp(32px, 5vw, 48px); margin: 16px 0 0; font-weight: 700; line-height: 1.3; color: var(--ink);}

  .feature-list { display: flex; flex-direction: column; gap: clamp(80px, 10vw, 160px); }
  .feature-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 8vw, 100px); align-items: center; }
  .feature-row:nth-child(even) { grid-template-columns: 1fr 1.1fr; }
  .feature-row:nth-child(even) .viz { order: 2; }
  .feature-row:nth-child(even) .text { order: 1; }

  .feature-row .viz { aspect-ratio: 4/3; border-radius: 8px; position: relative; overflow: hidden; box-shadow: 0 20px 40px -10px rgba(10,63,168,0.15);}
  .feature-row .viz::after { content: ''; position: absolute; inset: 0; border: 1px solid rgba(0,0,0,0.05); border-radius: 8px; z-index: 2; pointer-events: none;}
  .feature-row .viz .label { position: absolute; bottom: 24px; left: 24px; color: var(--blue-900); font-family: "Inter", sans-serif; font-size: 11px; letter-spacing: .2em; padding: 10px 20px; background: rgba(255,255,255,0.95); backdrop-filter: blur(4px); border-radius: 4px; font-weight: 700; z-index: 3; box-shadow: 0 10px 20px rgba(0,0,0,0.08);}

  .feature-row .text .num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--blue-100); color: var(--blue-800); font-family: "Inter", sans-serif; font-weight: 700; font-size: 16px; border-radius: 50%; margin-bottom: 24px;}
  .feature-row .text h3 { font-family: "Noto Serif JP", serif; font-weight: 700; font-size: clamp(26px, 3.5vw, 36px); line-height: 1.4; margin: 0 0 24px; color: var(--ink); }
  .feature-row .text p { color: var(--ink-2); font-size: 16px; line-height: 2; margin: 0; }

  .feature-row .text .highlight-box { margin-top: 32px; padding: 24px; background: #fff; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.03); border: 1px solid var(--line-soft); position: relative; overflow: hidden;}
  .feature-row .text .highlight-box::before { content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 4px; background: var(--blue-500); }
  .feature-row .text .highlight-box h4 { margin: 0 0 10px; font-size: 16px; color: var(--blue-900); font-weight: 700; display: flex; align-items: center; gap: 8px;}
  .feature-row .text .highlight-box h4 svg { width: 18px; height: 18px; color: var(--blue-500); }
  .feature-row .text .highlight-box p { font-size: 14px; color: var(--ink-2); margin: 0; line-height: 1.8;}

  /* ─────────── Pricing & System (The Core) ─────────── */
  .system-section { background: #fff; border-top: 1px solid var(--line); }
  .pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 40px); margin-top: 48px; align-items: stretch;}

  /* カード共通 */
  .pricing-card { background: #fff; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; position: relative; transition: transform 0.3s ease; box-shadow: 0 4px 24px rgba(0,0,0,0.03);}
  .pricing-card:hover { transform: translateY(-4px); }
  .pricing-card-header { padding: 32px 24px 24px; text-align: center; position: relative; }
  .pricing-card-body { padding: 0 32px 40px; flex: 1; display: flex; flex-direction: column; }
  .price-tag { font-family: "Inter", sans-serif; font-size: 40px; font-weight: 700; line-height: 1; margin: 16px 0 8px; display: flex; align-items: baseline; justify-content: center; gap: 4px;}
  .price-tag span { font-size: 16px; font-weight: 600; font-family: "Noto Sans JP", sans-serif;}
  .price-note { font-size: 13px; font-weight: 500; opacity: 0.8;}
  .check-list { list-style: none; padding: 0; margin: 32px 0; font-size: 15px; line-height: 1.8; color: var(--ink-2); }
  .check-list li { position: relative; padding-left: 28px; margin-bottom: 16px; }
  .check-list li:last-child { margin-bottom: 0; }
  .check-list li::before {
    content: "✓"; position: absolute; left: 0; top: 0;
    font-family: "Inter", sans-serif; font-weight: 700; font-size: 14px;
  }
  .check-list li strong { font-weight: 700; }

  /* フレックスオーダー用スタイル */
  .pricing-card.flex-order { border: 2px solid var(--blue-800); box-shadow: 0 20px 40px -10px rgba(10,63,168,0.15); z-index: 2;}
  .pricing-card.flex-order .pricing-card-header { background: var(--blue-800); color: #fff; }
  .pricing-card.flex-order .badge { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); background: #D9A12B; color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; padding: 6px 20px; border-radius: 999px; white-space: nowrap;}
  .pricing-card.flex-order .check-list li::before { color: var(--blue-500); }
  .pricing-card.flex-order .check-list li strong { color: var(--blue-900); }
  .pricing-card.flex-order .attention { display: inline-block; background: var(--blue-050); color: var(--blue-900); padding: 4px 8px; border-radius: 4px; font-size: 13px; margin-top: 8px;}

  /* 単品購入用スタイル */
  .pricing-card.single .pricing-card-header { background: var(--bg-soft); color: var(--ink); border-bottom: 1px solid var(--line); }
  .pricing-card.single .check-list li::before { color: var(--ink-3); }
  .pricing-card.single .check-list li strong { color: var(--ink); }

  /* モダンなテーブルスタイル */
  .modern-table-wrap { margin-top: auto; background: var(--bg-soft); border-radius: 8px; padding: 24px; border: 1px solid var(--line-soft);}
  .modern-table-title { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 0 16px; text-align: center; }
  .modern-table { width: 100%; border-collapse: collapse; text-align: center; }
  .modern-table th { font-size: 12px; font-weight: 600; color: var(--ink-3); padding: 0 4px 12px; border-bottom: 2px solid var(--line); white-space: nowrap;}
  .modern-table td { font-size: 20px; font-weight: 700; font-family: "Inter", sans-serif; padding: 16px 4px 4px; color: var(--ink); }
  .modern-table td small { font-size: 12px; font-weight: 600; font-family: "Noto Sans JP", sans-serif; margin-left: 2px;}
  .modern-table td.max-discount { color: #d32f2f; }

  .pricing-card.flex-order .modern-table-wrap { background: var(--blue-050); border-color: var(--blue-200); }
  .pricing-card.flex-order .modern-table-title { color: var(--blue-900); }
  .pricing-card.flex-order .modern-table th { border-bottom-color: var(--blue-200); color: var(--blue-800); }
  .pricing-card.flex-order .modern-table td { color: var(--blue-900); }
  .pricing-card.flex-order .modern-table td.max-discount { color: #d32f2f; }

  /* ─────────── Flow (Steps) ─────────── */
  .flow-section { background: var(--bg-soft); }
  .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 64px; counter-reset: step; }
  .step-card { background: #fff; border-radius: 12px; padding: 48px 32px 40px; position: relative; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.03); border: 1px solid var(--line); transition: transform 0.3s;}
  .step-card:hover { transform: translateY(-8px); box-shadow: 0 12px 32px rgba(10,63,168,0.08); border-color: var(--blue-200);}
  .step-card::before {
    counter-increment: step; content: "STEP 0" counter(step);
    position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%);
    background: var(--blue-800); color: #fff; font-family: "Inter", sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.15em;
    padding: 8px 24px; border-radius: 999px; white-space: nowrap; box-shadow: 0 4px 12px rgba(10,63,168,0.3);
  }
  .step-card .icon { width: 72px; height: 72px; margin: 0 auto 24px; border-radius: 50%; background: var(--blue-050); color: var(--blue-800); display: grid; place-items: center; }
  .step-card .icon svg { width: 32px; height: 32px; stroke-width: 1.5; }
  .step-card h4 { font-family: "Noto Sans JP", sans-serif; font-size: 18px; font-weight: 700; color: var(--ink); margin: 0 0 16px; }
  .step-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; margin: 0; }

  /* ─────────── BOTTOM CTA ─────────── */
  .bottom-cta { text-align: center; padding: 100px 0; background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
  .bottom-cta h2 { font-family: "Noto Serif JP", serif; font-size: clamp(24px, 4vw, 36px); font-weight: 700; margin: 0 0 40px; color: var(--ink); }

  /* ─────────── Media Queries ─────────── */
  @media (max-width: 992px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 600px; margin-left: auto; margin-right: auto; }
    .pricing-card.flex-order { order: -1; } /* スマホではフレックスオーダーを上に */
    .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; gap: 48px; }
  }

  @media (max-width: 768px) {
    .feature-row, .feature-row:nth-child(even) { grid-template-columns: 1fr; gap: 40px; }
    .feature-row:nth-child(even) .viz { order: -1; }
    .feature-row .text { order: 2; }

    .modern-table td { font-size: 16px; padding: 12px 2px; }
    .modern-table th { font-size: 11px; padding: 0 2px 8px; }
    .pricing-card-body { padding: 0 20px 32px; }

    .btn { width: 100%; justify-content: center; }
  }