    <style>
        :root {
            --color-primary: #2d8659;
            --color-primary-light: #e8f4f0;
            --color-accent: #f4a460;
            --color-text: #1a1a1a;
            --color-text-secondary: #555;
            --color-bg: #f9f9f9;
            --color-border: #ddd;
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --color-text: #f0f0f0;
                --color-text-secondary: #bbb;
                --color-bg: #1a1a1a;
                --color-primary-light: #1a3a2f;
                --color-border: #444;
            }
        }


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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--color-primary-light), transparent);
            padding: 4rem 2rem;
            margin-bottom: 3rem;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
        }

        .hero-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .feature-badge {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            text-align: center;
        }

        .feature-badge-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 0.5rem;
        }

        .feature-badge-text {
            font-weight: 600;
            font-size: 0.95rem;
        }



        /* Section */
        section {
            margin-bottom: 4rem;
        }

        section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid var(--color-primary);
        }

        /* How It Works */
        .how-it-works {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .how-it-works-steps {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .step {
            display: flex;
            gap: 1.5rem;
        }

        .step-number {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: var(--color-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
        }

        .step-content h3 {
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: var(--color-text);
        }

        .step-content p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }

        .how-it-works-image {
            background: var(--color-primary-light);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
        }

        @media (max-width: 768px) {
            .how-it-works {
                grid-template-columns: 1fr;
            }
        }

        /* Performance Data */
        .performance-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .performance-card {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            border-left: 4px solid var(--color-primary);
        }

        @media (prefers-color-scheme: dark) {
            .performance-card {
                background: #2a2a2a;
            }
        }

        .performance-card h3 {
            color: var(--color-primary);
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .performance-stat {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }

        .performance-description {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Benefits Section */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .benefit-item {
            padding: 1.5rem;
            background: var(--color-primary-light);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        @media (prefers-color-scheme: dark) {
            .benefit-item {
                background: #1a3a2f;
            }
        }

        .benefit-icon {
            font-size: 2rem;
            color: var(--color-primary);
        }

        .benefit-item h3 {
            color: var(--color-text);
            font-weight: 600;
        }

        .benefit-item p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }

        .benefit-container {
            text-align: center;
        }


        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            border-top: 3px solid var(--color-primary);
        }

        @media (prefers-color-scheme: dark) {
            .testimonial {
                background: #2a2a2a;
            }
        }

        .testimonial-text {
            color: var(--color-text-secondary);
            margin-bottom: 1.5rem;
            font-style: italic;
            line-height: 1.7;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.3rem;
        }

        .testimonial-title {
            color: var(--color-text-secondary);
            font-size: 0.85rem;
        }

        /* Specifications */
.specs {
  width: 100%;
  background-color: #C5E1DA; /* 外側の背景色 */
  padding: 50px 20px;
  box-sizing: border-box;
  font-family: "IBM Plex Sans JP", sans-serif;
  color: #32454D;
  line-height: 1.8;
}

.table-container {
  max-width: 800px; /* テーブルの最大幅 */
  width: 100%;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 20px;
  padding: 10px 0; /* 上下の余白 */
}

/*-----------------------------------
  テーブル本体のデザイン
-----------------------------------*/
.specs-table {
  width: 90%; /* コンテナ内で少し小さくして左右の余白を作る */
  margin: 0 auto;
  border-collapse: collapse; /* 隙間をなくす */
  font-size: 15px;
}

.specs-table th,
.specs-table td {
  padding: 20px;
  text-align: left;
  position: relative;
  vertical-align: top;
}

.specs-table th {
  width: 150px; /* PCでの項目幅 */
  font-weight: bold;
}

/* 下線（共通） */
.specs-table tr {
  border-bottom: 1px solid #565656;
}

/* 最後の行だけ下線を消す */
.specs-table tr:last-child {
  border-bottom: none;
}

/*-----------------------------------
  thの右側の縦線（疑似要素）
-----------------------------------*/
.specs-table th::after {
  content: "";
  display: block;
  width: 2px;
  height: 50%; /* 線の高さ（余白を作るポイント） */
  background-color: #565656;
  position: absolute;
  right: 0;
  top: 25%; /* 中央に配置 */
  border-radius: 40px;
}

/*-----------------------------------
  スマホ対応（レスポンシブ）
-----------------------------------*/
@media screen and (max-width: 640px) {
  .specs-table {
    width: 90%;
  }

  /* テーブル要素をブロック化して縦積みにする */
  .specs-table tr,
  .specs-table th,
  .specs-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .specs-table tr {
    margin-bottom: 5px;
    border-bottom: 1px solid #565656;
  }

  .specs-table tr:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
  }

  .specs-table th {
    padding: 10px 0 5px;
    width: 100%;
  }

  .specs-table td {
    padding: 0 0 10px;
  }

  /* スマホではth右の縦線を消す */
  .specs-table th::after {
    display: none;
  }
}

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            color: white;
            padding: 3rem 2rem;
            border-radius: 12px;
            text-align: center;
            margin: 3rem 0;
        }

        .cta-section h2 {
            color: white;
            border: none;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: white;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .cta-button {
            display: inline-block;
            background: white;
            color: var(--color-primary);
            padding: 0.8rem 2rem;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.2s;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }

        /* Comparison Table */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 2rem;
            overflow-x: auto;
        }

        @media (prefers-color-scheme: dark) {
            .comparison-table {
                color: var(--color-text);
            }
        }

        .comparison-table th {
            background: var(--color-primary);
            color: white;
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }

        .comparison-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--color-border);
        }

        .comparison-table tr:nth-child(even) {
            background: var(--color-primary-light);
        }

        @media (prefers-color-scheme: dark) {
            .comparison-table tr:nth-child(even) {
                background: #1a3a2f;
            }
        }

        .check {
            color: var(--color-primary);
            font-weight: bold;
        }

        /* Typography */
        p {
            color: var(--color-text-secondary);
            margin-bottom: 1rem;
        }

        strong {
            color: var(--color-text);
        }

        /* Footer Note */
        .footer-note {
            background: var(--color-primary-light);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 3rem;
            border-left: 4px solid var(--color-primary);
        }

        @media (prefers-color-scheme: dark) {
            .footer-note {
                background: #1a3a2f;
            }
        }

        .footer-note h3 {
            color: var(--color-primary);
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .footer-note p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            section h2 {
                font-size: 1.5rem;
            }

            .how-it-works {
                gap: 2rem;
            }
        }
    </style>