@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');
        
        :root {
            --primary: #4361ee;
            --secondary: #ff6b6b;
            --accent: #4cc9f0;
            --light: #f8f9fa;
            --dark: #343a40;
            --success: #38b000;
            --gradient-1: linear-gradient(45deg, #4361ee, #4cc9f0);
            --gradient-2: linear-gradient(45deg, #ff6b6b, #ffbe0b);
            --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Noto Sans JP', sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f8f9fa;
            color: #343a40;
            line-height: 1.6;
        }
        
        img {
            display: block;
            max-width: 98%;
            margin: 0 auto;
        }


        
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 10px;
        }
        
        .header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: var(--gradient-1);
            border-radius: 20px;
            box-shadow: var(--box-shadow);
            position: relative;
            overflow: hidden;
        }
        
        .header:before {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            top: -100px;
            left: -100px;
        }
        
        .header:after {
            content: "";
            position: absolute;
            width: 150px;
            height: 150px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            bottom: -50px;
            right: -50px;
        }
        
        .header h1 {
            color: white;
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }
        
        .header p {
            font-size: 1.2rem;
            line-height: 1.6;
            color: white;
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .story-section {
            background-color: white;
            border-radius: 20px;
            box-shadow: var(--box-shadow);
            padding: 40px;
            margin-bottom: 40px;
            position: relative;
        }
        
        .story-section h2 {
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 25px;
            text-align: center;
            font-weight: 700;
            position: relative;
            padding-bottom: 15px;
        }
        
        .story-section h2:after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient-2);
            border-radius: 2px;
        }
        
        .story-text {
            font-size: 1rem;
            margin-bottom: 25px;
            text-align: justify;
        }
        
        .highlight {
            font-weight: bold;
            color: var(--secondary);
            background: linear-gradient(to right, rgba(255, 107, 107, 0.15), transparent);
            padding: 2px 4px;
            border-radius: 4px;
        }
        
        .product-description {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            border-left: 6px solid var(--primary);
            box-shadow: var(--box-shadow);
            transition: transform 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .product-description:before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, rgba(67, 97, 238, 0.05) 0%, transparent 100%);
            border-radius: 0 0 0 100%;
        }
        
        .product-description:hover {
            transform: translateY(-5px);
        }
        
        .product-description h3 {
            margin-top: 0;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .product-description h3:before {
            content: "✨";
            margin-right: 10px;
        }
        
        .product-description p {
            font-size: 1rem;
            margin-bottom: 0;
        }
        
        .coupon-container {
            background: var(--gradient-2);
            border-radius: 20px;
            box-shadow: var(--box-shadow);
            padding: 40px;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .coupon-container:before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E") repeat;
            opacity: 0.5;
        }
        
        .coupon-title {
            font-size: 1.8rem;
            color: white;
            margin-bottom: 20px;
            font-weight: 700;
            position: relative;
        }
        
        .coupon-code {
            background-color: white;
            border: 3px dashed var(--secondary);
            padding: 20px;
            font-size: 2rem;
            font-weight: bold;
            letter-spacing: 3px;
            border-radius: 10px;
            margin: 20px 0;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            user-select: all;
            color: var(--primary);
            transition: all 0.3s;
            display: inline-block;
            min-width: 300px;
        }
        
        .coupon-code:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .copy-message {
            position: absolute;
            background-color: var(--success);
            color: white;
            padding: 4px 7px;
            border-radius: 6px;
            font-size: 0.8rem;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 10;
        }
        
        .expiry-date {
            color: white;
            font-weight: bold;
            margin-top: 20px;
            font-size: 1rem;
            position: relative;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 20px;
            margin: 10px;
        }
        
        @media (min-width: 576px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (min-width: 992px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        .product-item {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
            position: relative;
        }
        
        .product-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .product-image {
            height: 180px;
            background-color: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .product-image img {
            max-width: 100%;
            max-height: 100%;
        }
        
        .product-info {
            padding: 20px;
            text-align: center;
        }
        
        .product-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 8px;
            color: var(--dark);
        }
        
        .product-price {
            color: var(--primary);
            font-weight: bold;
            font-size: 1.3rem;
        }
        
        .original-price {
            text-decoration: line-through;
            color: #adb5bd;
            font-size: 1rem;
            margin-right: 8px;
        }
        
        .ribbon {
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            overflow: hidden;
        }
        
        .ribbon-text {
            position: absolute;
            display: block;
            width: 150px;
            padding: 8px 0;
            background-color: var(--secondary);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            color: white;
            font-size: 0.8rem;
            text-align: center;
            right: -40px;
            top: 20px;
            transform: rotate(45deg);
            font-weight: bold;
        }
        
        .quote {
            font-style: italic;
            padding: 25px;
            border-radius: 12px;
            margin: 30px 0;
            background: linear-gradient(to right, rgba(67, 97, 238, 0.1), rgba(76, 201, 240, 0.1));
            font-size: 1.1rem;
            position: relative;
        }
        
        .quote:before {
            content: "\"";
            font-size: 4rem;
            color: rgba(67, 97, 238, 0.2);
            position: absolute;
            left: 10px;
            top: -20px;
        }
        
        .testimonial {
            font-style: italic;
            text-align: right;
            margin-top: 15px;
            color: var(--primary);
            font-size: 1rem;
            font-weight: 500;
        }
        
        .tagline {
            font-weight: bold;
            color: var(--accent);
            font-size: 1.2rem;
            margin: 10px 0;
            font-style: italic;
        }
        
        .cta-button {
            display: inline-block;
            background: var(--gradient-1);
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: bold;
            margin-top: 20px;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 8px 15px rgba(67, 97, 238, 0.3);
        }
        
        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(67, 97, 238, 0.4);
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 20px;
            margin: 40px 0;
        }
        
        @media (min-width: 768px) {
            .features {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        .feature-item {
            text-align: center;
            padding: 20px;
            background: white;
            border-radius: 12px;
            box-shadow: var(--box-shadow);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .feature-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .rating {
            color: #ffd700;
            font-size: 1.2rem;
            margin: 10px 0;
        }
        
        .sale-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--secondary);
            color: white;
            font-weight: bold;
            font-size: 0.8rem;
            padding: 5px 10px;
            border-radius: 20px;
            z-index: 1;
        }
        
        .countdown {
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            text-align: center;
            padding: 15px;
            border-radius: 10px;
            margin: 20px 0;
            box-shadow: var(--box-shadow);
        }
        
        .countdown-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        
        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: 10px;
        }
        
        .countdown-item {
            background: rgba(255, 255, 255, 0.2);
            padding: 10px;
            border-radius: 5px;
            min-width: 50px;
        }
        
        .countdown-value {
            font-size: 1.5rem;
            font-weight: bold;
        }
        
        .countdown-label {
            font-size: 0.8rem;
            text-transform: uppercase;
        }
        
        .benefits {
            margin: 30px 0;
        }
        
        .benefit-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .benefit-icon {
            color: var(--success);
            font-size: 1.2rem;
            margin-right: 10px;
            margin-top: 3px;
        }
        
        /* レスポンシブ対応 */
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .story-section {
                padding: 20px;
            }
            
            .story-section h2 {
                font-size: 1.8rem;
            }
            
            .quote {
                font-size: 1rem;
            }
            
            .coupon-container {
                padding: 20px;
            }
            
            .coupon-code {
                font-size: 1.5rem;
            }
            
            .cta-button {
                font-size: 1rem;
                padding: 12px 25px;
            }
        }
        
        @media (max-width: 576px) {
            .product-description h3 {
                font-size: 1.3rem;
            }
            
            .tagline {
                font-size: 1rem;
            }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }
        
        .bounce {
            animation: bounce 2s infinite;
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }