body, html {
            font-family:'Noto Sans JP', sans-serif;
            color: #111;
            background-color: #fff;
            line-height: 1.6;
            overflow-x: hidden; /* 横スクロール防止 */
            width: 100%;
            margin: 0;
            padding: 0;
        }
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
            padding:7px 0;
        }
        .logo {
            font-weight: 700;
            letter-spacing: -0.5px;
            font-size: 1.5rem;
        }
        .logo img{
          max-width:130px;
        }
        h1, h2, h3, h4{
            font-family: ui-serif, "Libre Baskerville", Georgia, Cambria, "Times New Roman", Times, serif;
            font-weight: 400;
            font-style: italic;
            letter-spacing: 0.05rem;
        }
        h1{}
        h2{
        }
        .hero {
            padding-top: 120px;
            padding-bottom: 60px;
        }
        .hero-title {
            font-size: 4rem;
            font-weight: 400;
            letter-spacing: -1.5px;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            font-variant-numeric: lining-nums;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            font-weight: 400;
            color: #999;
            max-width: 700px;
            margin-bottom: 2rem;
        }
        .btn-primary {
            background-color: #111;
            color: #fff;
            padding: 0.35rem 1.5rem;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-primary:hover {
            background-color: #000;
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: #fff;
            color: #111;
            padding: 0.35rem 1.5rem;
            border-radius: 4px;
            font-weight: 600;
            border: 1px solid #ddd;
            transition: all 0.2s;
        }
        .btn-secondary:hover {
            border-color: #111;
            transform: translateY(-1px);
        }
        
        /* カルーセルセクション共通スタイル */
        .carousel-section {
            width: 100%;
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            border-bottom: 1px solid #eee;
        }
        
        /* シームレスカルーセル共通設定 */
        .seamless-carousel {
            position: relative;
            width: 100%;
            overflow: hidden;
        }
        
        /* ロゴカルーセル（シームレスループ版） */
        .logo-carousel-wrapper {
            width: 100%;
            overflow: hidden;
            position: relative;
        }
        .logo-carousel {
            width: 100%;
            padding: 30px 0;
        }
        .logo-slide {
            display: flex;
            width: max-content; /* スライドの実際の幅を確保 */
        }
        .logo-track {
            display: flex;
            animation: logoScroll 30s linear infinite;
        }
        .logo-item {
            height: 40px;
            margin: 0 40px;
            opacity: 0.6;
            transition: opacity 0.3s;
            flex-shrink: 0;
        }
        
        @keyframes logoScroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-50%)); }
        }
        
        /* アイコン、テキスト、矢印の縦位置を揃える */
        .use-case-item {
            border: 1px solid #eee;
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        .use-case-item:hover {
            border-color: #111;
            background-color: rgba(0,0,0,0.02);
        }
        .use-case-item i {
            font-size: 1.5rem;
        }
        .icon-container {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        .arrow-icon {
            opacity: 0;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            width: 20px;
        }
        .use-case-item:hover .arrow-icon {
            opacity: 1;
            transform: translateX(4px);
        }
        
        /* 動画カルーセルの自動スクロール設定（シームレスループ版） */
        .customer-videos-wrapper {
            width: 100%;
            overflow: hidden;
            position: relative;
            padding: 20px 0;
        }
        .customer-videos-carousel {
            width: 100%;
            position: relative;
            display: flex;
            justify-content: center;
        }
        .video-track {
            display: flex;
            animation: videoScroll 45s linear infinite;
            width: max-content;
        }
        .video-container {
            width: 65%;
            max-width: 650px;
            margin-right: 40px;
            white-space: normal;
            flex-shrink: 0;
        }
        .video-content {
            width: 100%;
        }
        
        @keyframes videoScroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-50%)); }
        }
        
        /* 顧客の声カルーセルの設定（100%幅、シームレスループ版） */
        .testimonials-wrapper {
            width: 100%;
            overflow: hidden;
            position: relative;
            padding: 20px 0;
        }
        .testimonial-slider {
            width: 100%;
            position: relative;
            display: flex;
            justify-content: center;
        }
        .testimonial-track {
            display: flex;
            animation: testimonialScroll 40s linear infinite;
            width: max-content;
        }
        .testimonial-card {
            background-color: #f9f9f9;
            border-radius: 8px;
            padding: 24px;
            width: 300px;
            min-width: 300px;
            margin-right: 20px;
            height: 100%;
            border: 1px solid #eee;
            flex-shrink: 0;
        }
        .testimonial-card img{
            border-radius:100px;
        }
        
        @keyframes testimonialScroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-50%)); }
        }
        
        .pricing-card {
            border: 1px solid #eee;
            border-radius: 8px;
            padding: 30px;
            transition: all 0.3s;
            position: relative;
        }
        .pricing-card:hover {
            border-color: #111;
            transform: translateY(-4px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }
        .pricing-popular {
            border-color: #111;
            background-color: #111;
            color: #fff;
        }
        .pricing-popular:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .pricing-feature {
            display: flex;
            align-items: center;
            margin-bottom: 0.5rem;
        }
        .pricing-feature i {
            color: #4CAF50;
            margin-right: 8px;
        }
        .pricing-popular .pricing-feature i {
            color: #8BC34A;
        }
        section {
            padding: 80px 0;
            border-bottom: 1px solid #eee;
        }
        
        /* カルーセルセクション内のコンテンツセンタリング */
        .carousel-content {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* コンテンツの横幅制限なし（カルーセル用） */
        .full-width-content {
            width: 100%;
            padding: 0;
        }
        
        /* コンテナーは最大幅を持つが、full-width-sectionはそれを上書きする */
        .container {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 1rem;
        }
  
        @media (max-width: 480px) {          /* 目安：画面幅 480px 以下をスマホ扱いに */
  .btn-primary,
  .btn-secondary {
    font-size: 0.8rem;              /* ≒ 20 % 小さく */
    padding: 0.35rem 1.2rem;        /* 必要なら横パディングも少し縮める */
    white-space: nowrap;            /* テキストの折り返し防止（任意） */
  }
}