*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

    :root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-light: #dbeafe;
      --accent: #f59e0b;
      --accent-dark: #d97706;
      --text: #1e293b;
      --text-light: #64748b;
      --bg: #ffffff;
      --bg-gray: #f8fafc;
      --bg-dark: #0f172a;
      --radius: 12px;
      --shadow: 0 4px 24px rgba(0,0,0,0.08);
      --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
      color: var(--text);
      line-height: 1.8;
      overflow-x: hidden;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    ul { list-style: none; }

    .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
    .section-label {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 16px;
      border-radius: 100px;
      margin-bottom: 12px;
      letter-spacing: 0.05em;
    }
    .section-title {
      font-size: clamp(1.6rem, 4vw, 2.4rem);
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-light);
      max-width: 600px;
      margin: 0 auto 48px;
    }

    /* ===== Header ===== */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,0,0,0.06);
      transition: box-shadow 0.3s;
    }
    header.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.08); }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }
    .logo {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .logo img { width: 32px; height: 32px; border-radius: 6px; }
    nav { display: flex; align-items: center; gap: 28px; }
    nav a {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-light);
      transition: color 0.2s;
    }
    nav a:hover { color: var(--primary); }
    .header-cta {
      font-size: 0.85rem;
      font-weight: 700;
      color: #fff;
      background: var(--primary);
      padding: 8px 20px;
      border-radius: 100px;
      transition: background 0.2s, transform 0.2s;
    }
    .header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: 0.3s;
    }

    /* ===== Hero ===== */
    .hero {
      padding: 120px 0 80px;
      background: linear-gradient(170deg, #eff6ff 0%, #fff 60%);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
      top: -200px;
      right: -200px;
      pointer-events: none;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      border: 1px solid rgba(37,99,235,0.2);
      padding: 6px 16px;
      border-radius: 100px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
      box-shadow: 0 2px 8px rgba(37,99,235,0.08);
    }
    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background: #22c55e;
      border-radius: 50%;
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }
    .hero h1 {
      font-size: clamp(2rem, 5.5vw, 3.2rem);
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 8px;
    }
    .hero h1 .price {
      color: var(--primary);
      position: relative;
    }
    .hero h1 .price::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 0;
      width: 100%;
      height: 8px;
      background: rgba(37,99,235,0.15);
      border-radius: 4px;
      z-index: -1;
    }
    .hero-sub {
      font-size: clamp(1rem, 2.5vw, 1.25rem);
      color: var(--text-light);
      margin-bottom: 12px;
      font-weight: 500;
    }
    .hero-message {
      font-size: clamp(0.95rem, 2vw, 1.1rem);
      color: var(--text);
      font-weight: 700;
      margin-bottom: 36px;
      background: linear-gradient(90deg, transparent, rgba(37,99,235,0.08), transparent);
      display: inline-block;
      padding: 8px 24px;
      border-radius: 8px;
    }
    .hero-buttons { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 1rem;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: 100px;
      border: none;
      cursor: pointer;
      transition: all 0.25s;
      font-family: inherit;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 16px rgba(37,99,235,0.3);
    }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(37,99,235,0.35); }
    .btn-outline {
      background: #fff;
      color: var(--text);
      border: 2px solid #e2e8f0;
    }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary); }
    .btn-accent {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 4px 16px rgba(245,158,11,0.3);
    }
    .btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); }

    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 48px;
      flex-wrap: wrap;
    }
    .hero-stat { text-align: center; }
    .hero-stat .num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
    }
    .hero-stat .label {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 500;
    }

    .hero-note {
      margin-top: 24px;
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* ===== Problems ===== */
    .problems {
      padding: 80px 0;
      background: var(--bg-gray);
      text-align: center;
    }
    .problem-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .problem-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 28px 24px;
      text-align: center;
      border: 1px solid #f1f5f9;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .problem-card .icon { margin-bottom: 16px; line-height: 1; }
    .problem-card .icon img { display: block; width: 100%; max-width: 300px; height: auto; object-fit: contain; margin: 0 auto; }
    .problem-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
    .problem-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }

    /* ===== Message ===== */
    .message-section {
      padding: 64px 0;
      background: linear-gradient(135deg, #1e40af 0%, var(--primary) 100%);
      text-align: center;
      color: #fff;
    }
    .message-section h2 { font-size: clamp(1.4rem, 3.5vw, 2rem); font-weight: 800; margin-bottom: 16px; line-height: 1.5; }
    .message-section p { font-size: 1rem; opacity: 0.85; max-width: 600px; margin: 0 auto; line-height: 1.9; }

    /* ===== Features ===== */
    .features { padding: 80px 0; text-align: center; }
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
      margin-top: 40px;
    }
    .feature-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 36px 28px;
      text-align: center;
      border: 1px solid #e2e8f0;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .feature-icon {
      width: 56px; height: 56px;
      background: var(--primary-light);
      border-radius: 14px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.5rem;
      margin: 0 auto 20px;
    }
    .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
    .feature-card p { font-size: 0.9rem; color: var(--text-light); }

    /* ===== Flow ===== */
    .flow { padding: 80px 0; background: var(--bg-gray); text-align: center; }
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 32px;
      margin-top: 40px;
      position: relative;
    }
    .flow-step { position: relative; text-align: center; }
    .flow-num {
      width: 48px; height: 48px;
      background: var(--primary); color: #fff;
      font-size: 1.2rem; font-weight: 800;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 16px;
    }
    .flow-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
    .flow-step p { font-size: 0.85rem; color: var(--text-light); }
    .flow-arrow { display: none; position: absolute; top: 24px; right: -20px; color: var(--primary); font-size: 1.2rem; }

    /* ===== Pricing ===== */
    .pricing { padding: 80px 0; text-align: center; }
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 40px;
      align-items: start;
    }
    .pricing-card {
      background: #fff; border-radius: var(--radius); padding: 36px 28px;
      border: 2px solid #e2e8f0; position: relative;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .pricing-card.popular { border-color: var(--primary); box-shadow: var(--shadow); }
    .popular-badge {
      position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
      background: var(--primary); color: #fff; font-size: 0.75rem; font-weight: 700;
      padding: 4px 20px; border-radius: 100px;
    }
    .pricing-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
    .pricing-card .plan-desc { font-size: 0.85rem; color: var(--text-light); margin-bottom: 20px; }
    .pricing-price { margin-bottom: 24px; }
    .pricing-price .amount { font-size: 2.8rem; font-weight: 900; color: var(--text); }
    .pricing-price .currency { font-size: 1rem; font-weight: 700; }
    .pricing-price .period { font-size: 0.85rem; color: var(--text-light); }
    .pricing-price .tax-note { font-size: 0.75rem; color: var(--text-light); }
    .pricing-price .initial { display: block; font-size: 0.85rem; color: var(--accent-dark); font-weight: 600; margin-top: 4px; }
    .pricing-features { text-align: left; margin-bottom: 28px; }
    .pricing-features li { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; font-size: 0.9rem; color: var(--text); }
    .pricing-features li .check { color: var(--primary); font-weight: 700; flex-shrink: 0; margin-top: 2px; }
    .pricing-features li .limited-badge { display: inline-block; background: #ef4444; color: #fff; font-size: 0.65rem; font-weight: 700; padding: 1px 6px; border-radius: 4px; margin-left: 4px; vertical-align: middle; line-height: 1.4; }
    .pricing-card .btn { width: 100%; justify-content: center; }
    .pricing-note { margin-top: 24px; font-size: 0.8rem; color: var(--text-light); }

    /* ===== Comparison ===== */
    .comparison { padding: 80px 0; background: var(--bg-gray); text-align: center; }
    .comparison-table { margin-top: 40px; overflow-x: auto; }
    .comparison-table table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
    .comparison-table th, .comparison-table td { padding: 16px 20px; text-align: center; font-size: 0.9rem; border-bottom: 1px solid #f1f5f9; }
    .comparison-table th { background: var(--bg-dark); color: #fff; font-weight: 700; }
    .comparison-table th.ours { background: var(--primary); }
    .comparison-table td:first-child { text-align: left; font-weight: 600; }
    .comparison-table tr:last-child td { border-bottom: none; }
    .circle-o { color: var(--primary); font-weight: 700; }
    .circle-x { color: #ef4444; font-weight: 700; }
    .triangle { color: var(--accent); font-weight: 700; }

    /* ===== Testimonials (Horizontal Scroll) ===== */
    .testimonials { padding: 80px 0; text-align: center; overflow: hidden; }
    .testimonial-track {
      display: flex;
      gap: 20px;
      margin-top: 40px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      -webkit-overflow-scrolling: touch;
      padding: 8px 0 20px;
      scrollbar-width: thin;
      scrollbar-color: var(--primary-light) transparent;
    }
    .testimonial-track::-webkit-scrollbar { height: 6px; }
    .testimonial-track::-webkit-scrollbar-track { background: transparent; }
    .testimonial-track::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }
    .testimonial-track::-webkit-scrollbar-thumb:hover { background: var(--primary); }
    .testimonial-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 28px;
      text-align: left;
      border: 1px solid #e2e8f0;
      transition: transform 0.2s;
      min-width: 300px;
      max-width: 340px;
      flex-shrink: 0;
      scroll-snap-align: start;
    }
    .testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .testimonial-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
    .testimonial-avatar {
      width: 48px; height: 48px; border-radius: 50%;
      background: var(--primary-light);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.2rem; font-weight: 700; color: var(--primary); flex-shrink: 0;
    }
    .testimonial-info h4 { font-size: 0.95rem; font-weight: 700; }
    .testimonial-info p { font-size: 0.8rem; color: var(--text-light); }
    .testimonial-stars { color: var(--accent); margin-bottom: 12px; font-size: 0.9rem; letter-spacing: 2px; }
    .testimonial-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.8; }
    .testimonial-nav { display: flex; justify-content: center; gap: 12px; margin-top: 20px; }
    .testimonial-nav button {
      width: 40px; height: 40px; border-radius: 50%; border: 2px solid #e2e8f0;
      background: #fff; cursor: pointer; font-size: 1rem; color: var(--text);
      display: flex; align-items: center; justify-content: center;
      transition: all 0.2s;
    }
    .testimonial-nav button:hover { border-color: var(--primary); color: var(--primary); }
    .scroll-hint { font-size: 0.8rem; color: var(--text-light); margin-top: 8px; }

    /* ===== FAQ ===== */
    .faq { padding: 80px 0; background: var(--bg-gray); text-align: center; }
    .faq-list { max-width: 720px; margin: 40px auto 0; text-align: left; }
    .faq-item { background: #fff; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid #e2e8f0; overflow: hidden; }
    .faq-question {
      width: 100%; background: none; border: none; padding: 20px 24px;
      text-align: left; font-size: 0.95rem; font-weight: 700; cursor: pointer;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      color: var(--text); font-family: inherit; transition: color 0.2s;
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question .arrow { flex-shrink: 0; transition: transform 0.3s; font-size: 0.8rem; color: var(--text-light); }
    .faq-item.open .faq-question .arrow { transform: rotate(180deg); }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
    .faq-answer-inner { padding: 0 24px 20px; font-size: 0.9rem; color: var(--text-light); line-height: 1.8; }

    /* ===== CTA ===== */
    .cta { padding: 80px 0; background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%); text-align: center; color: #fff; }
    .cta h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
    .cta p { font-size: 1rem; opacity: 0.85; margin-bottom: 36px; }
    .cta .btn-accent { font-size: 1.1rem; padding: 16px 40px; }

    /* ===== Footer ===== */
    footer { background: var(--bg-dark); color: #94a3b8; padding: 48px 0 24px; }
    .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand .logo { color: #fff; margin-bottom: 12px; font-size: 1.2rem; }
    .footer-brand .logo img { width: 28px; height: 28px; }
    .footer-brand p { font-size: 0.85rem; line-height: 1.7; }
    .footer-links h4 { color: #fff; font-size: 0.9rem; margin-bottom: 16px; }
    .footer-links a { display: block; font-size: 0.85rem; padding: 4px 0; transition: color 0.2s; }
    .footer-links a:hover { color: #fff; }
    .footer-bottom { border-top: 1px solid #1e293b; padding-top: 24px; text-align: center; font-size: 0.8rem; }

    /* ===== Animations ===== */
    .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s, transform 0.6s; }
    .fade-in.visible { opacity: 1; transform: translateY(0); }

    /* ===== Responsive ===== */
    @media (max-width: 768px) {
      .problem-grid { grid-template-columns: 1fr; }
      nav { display: none; }
      .hamburger { display: flex; }
      nav.open {
        display: flex; flex-direction: column; position: absolute;
        top: 64px; left: 0; width: 100%; background: #fff;
        padding: 20px; gap: 16px; box-shadow: 0 8px 24px rgba(0,0,0,0.1);
      }
      .hero { padding: 100px 0 60px; }
      .hero-stats { gap: 24px; }
      .flow-steps { gap: 20px; }
      .footer-inner { grid-template-columns: 1fr; gap: 24px; }
      .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
      .comparison-table { font-size: 0.8rem; }
      .comparison-table th, .comparison-table td { padding: 10px 8px; }
      .testimonial-card { min-width: 280px; }
    }

    @media (min-width: 769px) {
      .flow-arrow { display: block; }
    }

    /* ===== Floating CTA ===== */
    .floating-cta {
      position: fixed; bottom: 24px; right: 24px; z-index: 999;
      opacity: 0; transform: translateY(20px); pointer-events: none;
      transition: opacity 0.4s, transform 0.4s;
    }
    .floating-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
    .floating-cta a {
      display: flex; align-items: center; gap: 8px;
      background: var(--accent); color: #fff; font-size: 0.9rem; font-weight: 700;
      padding: 14px 24px; border-radius: 100px;
      box-shadow: 0 6px 24px rgba(245,158,11,0.4);
      transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    }
    .floating-cta a:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,158,11,0.5); }
    .floating-cta .pulse-ring {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
      width: 100%; height: 100%; border-radius: 100px;
      border: 2px solid var(--accent); animation: float-pulse 2s infinite; pointer-events: none;
    }
    @keyframes float-pulse {
      0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
      100% { transform: translate(-50%, -50%) scale(1.3); opacity: 0; }
    }
    @media (max-width: 768px) {
      .floating-cta { bottom: 16px; right: 16px; left: 16px; }
      .floating-cta a { width: 100%; justify-content: center; font-size: 0.95rem; padding: 16px 24px; }
    }