/* ==========================================================================
           リセットCSS & ベーススタイル
           ========================================================================== */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body, h1, h2, h3, p, ul, li, figure, blockquote, dl, dd {
            margin: 0;
            padding: 0;
        }
        ul {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img, svg {
            max-width: 100%;
            display: block;
        }
        button, input, select, textarea {
            font: inherit;
        }
        body {
            /* デバイス標準の美しいゴシック体を使用 */
            font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
            background-color: #f8fafc;
            color: #1f2937;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (max-width: 769px) {
	  .br-pc { display: none;}
	}

        @media (min-width: 768px) {
	  .br-mobile { display: none;}
	}

        /* ==========================================================================
           レイアウト・ユーティリティ
           ========================================================================== */
        .container {
            max-width: 56rem; /* 896px */
            margin: 0 auto;
            padding: 2rem 1rem;
        }
        .text-center { text-align: center; }
        .text-left { text-align: left; }
        .font-bold { font-weight: 700; }
        .font-black { font-weight: 900; }
        .flex { display: flex; }
        .flex-col { flex-direction: column; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }
        .mb-12 { margin-bottom: 3rem; }
        
        @media (min-width: 768px) {
            .md\:flex-row { flex-direction: row; }
            .md\:text-left { text-align: left; }
            .md\:mx-0 { margin-left: 0; margin-right: 0; }
            .md\:hidden { display: none; }
        }

        /* ==========================================================================
           ヒーローエリア
           ========================================================================== */
        .hero-section {
            position: relative;
            overflow: hidden;
            padding: 3rem 1rem;
            text-align: center;
            box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
            /* 添付画像の背景に合わせたブルーのグラデーション */
            background: linear-gradient(135deg, #a0d8ef 0%, #4b9fd1 100%);
        }
        @media (min-width: 768px) {
            .hero-section { padding: 5rem 1rem; }
        }

        /* 紙吹雪の装飾 */
        .confetti {
            position: absolute;
            border-radius: 2px;
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-10px) rotate(10deg); }
        }
        .confetti-1 { width: 0.75rem; height: 2rem; background-color: #fcd34d; transform: rotate(45deg); top: 2.5rem; left: 10%; opacity: 0.8; animation-delay: 0s; }
        .confetti-2 { width: 1rem; height: 1rem; border-radius: 9999px; background-color: #f87171; top: 5rem; right: 15%; opacity: 0.8; animation-delay: 1s; }
        .confetti-3 { width: 1.25rem; height: 0.5rem; background-color: #93c5fd; transform: rotate(-12deg); top: 10rem; left: 20%; opacity: 0.8; animation-delay: 2s; }
        .confetti-4 { width: 0.75rem; height: 1.5rem; background-color: #6ee7b7; transform: rotate(45deg); bottom: 2.5rem; right: 25%; opacity: 0.8; animation-delay: 0.5s; }

        .hero-content {
            max-width: 64rem;
            margin: 0 auto;
            position: relative;
            z-index: 10;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .hero-content { flex-direction: row; gap: 3rem; }
        }

        .hero-badge {
            display: inline-block;
            background-color: #ffffff;
            color: #4b9fd1;
            font-weight: 700;
            padding: 0.375rem 1.25rem;
            border-radius: 9999px;
            margin-bottom: 1.5rem;
            font-size: 0.875rem;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        }
        @media (min-width: 768px) { .hero-badge { font-size: 1.3rem; } }

        .hero-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.06));
            margin-bottom: 0.5rem;
            letter-spacing: 0.025em;
        }
        @media (min-width: 768px) { .hero-title { font-size: 2.25rem; } }

        .hero-subtitle {
            font-size: 1.875rem;
            font-weight: 900;
            color: #ffffff;
            filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.06));
            margin: 1rem 0;
        }
        @media (min-width: 768px) { .hero-subtitle { font-size: 3rem; } }

        .hero-amount {
            font-size: 3rem;
            font-weight: 900;
            margin: 1.5rem 0;
            line-height: 1.25;
            /* 添付画像のゴールド文字を再現するグラデーション */
            background: linear-gradient(to bottom, #fff7a1 0%, #e6b422 40%, #c49a1d 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0px 2px 2px rgba(0,0,0,0.2));
        }
        @media (min-width: 768px) { .hero-amount { font-size: 4.5rem; } }
        .hero-amount .small { font-size: 1.875rem; }
        @media (min-width: 768px) { .hero-amount .small { font-size: 2.25rem; } }

        .hero-present {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.06));
            letter-spacing: 0.1em;
        }
        @media (min-width: 768px) { .hero-present { font-size: 1.875rem; } }

        .hero-image-wrapper {
            width: 14rem;
            height: 14rem;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 9999px;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(4px);
            border: 4px solid rgba(255, 255, 255, 0.4);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
            margin-top: 1.5rem;
        }
        @media (min-width: 768px) {
            .hero-image-wrapper { width: 20rem; height: 20rem; margin-top: 0; }
        }

        /* ==========================================================================
           アクションボタン（共通）
           ========================================================================== */
        .action-buttons {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .action-buttons { flex-direction: row; }
        }
        .btn {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 700;
            font-size: 1.125rem;
            padding: 1.25rem 1.5rem;
            border-radius: 0.75rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
        }
        .btn:hover {
            transform: translateY(-0.25rem);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .btn-primary { background-color: #c82c28; color: #ffffff; }
        .btn-primary:hover { background-color: #a5221e; }
        .btn-secondary { background-color: #ffffff; color: #4b9fd1; border: 2px solid #4b9fd1; }
        .btn-secondary:hover { background-color: #f0f8ff; }
        .btn-icon { width: 1.5rem; height: 1.5rem; margin-right: 0.5rem; }

        /* ==========================================================================
           メリットセクション
           ========================================================================== */
        .section-header { text-align: center; margin-bottom: 2rem; }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #4b9fd1;
            display: inline-block;
            border-bottom: 4px solid #bfdbfe;
            padding-bottom: 0.5rem;
        }
        @media (min-width: 768px) { .section-title { font-size: 1.875rem; } }

        .merit-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) { .merit-grid { grid-template-columns: repeat(3, 1fr); } }

        .merit-card {
            background-color: #ffffff;
            border-radius: 1rem;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            border: 1px solid #f3f4f6;
            padding: 1.5rem;
            position: relative;
            overflow: hidden;
            text-align: center;
            transition: box-shadow 0.3s;
        }
        .merit-card:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
        .merit-card-line { position: absolute; top: 0; left: 0; width: 100%; height: 0.5rem; }
        .line-red { background: linear-gradient(to right, #f87171, #c82c28); }
        .line-blue { background: linear-gradient(to right, #4b9fd1, #2c7cae); }
        .line-blue-dark { background: linear-gradient(to right, #60a5fa, #2563eb); }
        
        .merit-badge { font-weight: 900; font-size: 1.25rem; margin-bottom: 0.5rem; }
        .badge-red { color: #c82c28; }
        .badge-blue { color: #4b9fd1; }
        .badge-blue-dark { color: #3b82f6; }
        
        .merit-title { font-weight: 700; font-size: 1.125rem; color: #1f2937; margin-bottom: 0.75rem; }
        .merit-icon-wrap {
            width: 4rem; height: 4rem; margin: 0 auto 1rem;
            border-radius: 9999px; display: flex; align-items: center; justify-content: center;
        }
        .icon-wrap-red { background-color: #fef2f2; }
        .icon-wrap-blue { background-color: #eff6ff; }
        .merit-icon { width: 2rem; height: 2rem; }
        .icon-red { color: #c82c28; }
        .icon-blue { color: #4b9fd1; }
        .icon-blue-dark { color: #3b82f6; }
        
        .merit-desc { font-size: 0.875rem; color: #4b5563; text-align: left; }

        /* ==========================================================================
           キャンペーン概要
           ========================================================================== */
        .campaign-section {
            background-color: #ffffff;
            border-radius: 1rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            margin-bottom: 3rem;
            border: 1px solid #f3f4f6;
        }
        .campaign-header {
            background-color: #e6f4fa;
            text-align: center;
            padding: 1rem 0;
            border-bottom: 1px solid #dbeafe;
        }
        .campaign-header h2 { font-size: 1.25rem; font-weight: 700; color: #4b9fd1; }
        @media (min-width: 768px) { .campaign-header h2 { font-size: 1.5rem; } }
        
        .campaign-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 2rem; }
        @media (min-width: 768px) { .campaign-body { padding: 2rem; } }

        .benefit-item { display: flex; flex-direction: column; gap: 1.5rem; }
        @media (min-width: 768px) { .benefit-item { flex-direction: row; align-items: flex-start; } }
        
        .benefit-badge {
            width: 5rem; height: 5rem;
            border-radius: 9999px;
            background: linear-gradient(to bottom right, #4b9fd1, #2c7cae);
            color: #ffffff;
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            font-weight: 700; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            flex-shrink: 0; margin: 0 auto;
        }
        @media (min-width: 768px) { .benefit-badge { margin: 0; } }
        .benefit-badge .small { font-size: 0.75rem; }
        .benefit-badge .number { font-size: 1.5rem; line-height: 1; }
        
        .benefit-content { flex: 1; }
        .benefit-title {
            font-size: 1.25rem; font-weight: 700; color: #1f2937;
            margin-bottom: 1rem; border-bottom: 2px solid #93c5fd;
            display: inline-block; padding-bottom: 0.25rem;
        }
        
        .benefit-list { color: #4b5563; font-size: 0.875rem; line-height: 1.625; display: flex; flex-direction: column; gap: 0.5rem; }
        @media (min-width: 768px) { .benefit-list { font-size: 1rem; } }
        .benefit-list li { display: flex; align-items: flex-start; }
        .benefit-list .num { margin-right: 0.5rem; font-weight: 700; flex-shrink: 0; }
        .text-red-small { font-size: 0.75rem; color: #ef4444; font-weight: 700; }

        .benefit-reward {
            text-align: center; background-color: #ffffff;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            padding: 1rem 1.5rem; border-radius: 0.75rem;
            border: 1px solid #dbeafe; min-width: 10rem;
            display: flex; flex-direction: column; justify-content: center;
            height: fit-content; margin: 0 auto;
        }
        @media (min-width: 768px) { .benefit-reward { margin: 0; } }
        .reward-label { display: block; font-size: 0.875rem; font-weight: 700; color: #6b7280; margin-bottom: 0.25rem; }
        .reward-amount { color: #c82c28; font-weight: 900; font-size: 1.5rem; }
        .reward-amount span { font-size: 1rem; font-weight: 700; }

        .plus-icon { display: flex; justify-content: center; color: #d1d5db; }
        .plus-icon svg { width: 2rem; height: 2rem; }

        .benefit-desc { color: #4b5563; font-size: 0.875rem; line-height: 1.625; margin-top: 0.5rem; text-align: center; }
        @media (min-width: 768px) { .benefit-desc { font-size: 1rem; text-align: left; } }

        .timing-box {
            margin-top: 2rem; background-color: #eff6ff;
            border: 1px solid #dbeafe; border-radius: 0.75rem;
            padding: 1.25rem; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        }
        @media (min-width: 768px) { .timing-box { padding: 1.5rem; } }
        .timing-title {
            font-size: 1.125rem; font-weight: 700; color: #4b9fd1;
            margin-bottom: 0.5rem; display: flex; align-items: center;
            justify-content: center;
        }
        @media (min-width: 768px) { .timing-title { justify-content: flex-start; } }
        .timing-title svg { width: 1.25rem; height: 1.25rem; margin-right: 0.5rem; }
        .timing-text { color: #374151; font-size: 0.875rem; line-height: 1.625; text-align: center; }
        @media (min-width: 768px) { .timing-text { font-size: 1rem; text-align: left; } }

        /* ==========================================================================
           エントリー方法
           ========================================================================== */
        .apply-section { margin-bottom: 3rem; padding-top: 2rem; }
        .notice-box {
            max-width: 48rem; margin: 0 auto 2rem; background-color: #f9fafb;
            border: 1px solid #e5e7eb; padding: 1rem; border-radius: 0.75rem;
            text-align: center; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        }
        .notice-text { color: #c82c28; font-weight: 700; font-size: 0.875rem; }
        @media (min-width: 768px) { .notice-text { font-size: 1rem; } }

        .step-container { position: relative; max-width: 48rem; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
        @media (min-width: 768px) { .step-container { gap: 1.5rem; } }
        
        .step-line { display: none; }
        @media (min-width: 768px) {
            .step-line {
                display: block; position: absolute; left: 3.5rem; top: 2rem; bottom: 2rem;
                width: 0.25rem; background-color: #dbeafe; z-index: 0;
            }
        }
        
        .step-arrow-mobile { display: flex; justify-content: center; color: #bfdbfe; margin-bottom: 1rem; }
        @media (min-width: 768px) { .step-arrow-mobile { display: none; } }
        .step-arrow-mobile svg { width: 2rem; height: 2rem; }

        .step-card {
            position: relative; z-index: 10; display: flex; flex-direction: column;
            gap: 1rem; background-color: #ffffff; padding: 1.5rem;
            border-radius: 1rem; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            border: 1px solid #f3f4f6; margin-bottom: 1rem;
        }
        @media (min-width: 768px) { .step-card { flex-direction: row; gap: 1.5rem; margin-bottom: 0; } }
        .step-card.disabled { background-color: #f9fafb; border-color: #e5e7eb; opacity: 0.9; }

        .step-badge {
            width: 4rem; height: 4rem; border-radius: 9999px;
            background: linear-gradient(to bottom right, #4b9fd1, #2c7cae);
            color: #ffffff; display: flex; flex-direction: column;
            align-items: center; justify-content: center; font-weight: 700;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); flex-shrink: 0;
            margin: 0 auto;
        }
        @media (min-width: 768px) { .step-badge { margin: 0; } }
        .step-badge.gray { background: linear-gradient(to bottom right, #9ca3af, #6b7280); }
        .step-badge .small { font-size: 0.625rem; line-height: 1.25; }
        .step-badge .number { font-size: 1.5rem; line-height: 1; }

        .step-content { flex: 1; text-align: center; display: flex; flex-direction: column; justify-content: center; }
        @media (min-width: 768px) { .step-content { text-align: left; } }
        
        .step-target { font-size: 0.75rem; font-weight: 700; color: #c82c28; margin-bottom: 0.25rem; }
        .step-title { font-size: 1.125rem; font-weight: 700; color: #1f2937; margin-bottom: 0.75rem; }
        @media (min-width: 768px) { .step-title { font-size: 1.25rem; } }
        .step-card.disabled .step-title { color: #374151; }

        .step-btn {
            display: inline-flex; align-items: center; justify-content: center;
            background-color: #eff6ff; color: #4b9fd1; font-size: 0.875rem;
            font-weight: 700; padding: 0.625rem 1rem; border-radius: 0.75rem;
            border: 1px solid #bfdbfe; transition: background-color 0.2s;
            width: 100%; text-align: left;
        }
        @media (min-width: 768px) { .step-btn { justify-content: flex-start; width: auto; } }
        .step-btn:hover { background-color: #dbeafe; }
        .step-btn svg { width: 1.25rem; height: 1.25rem; margin-right: 0.5rem; flex-shrink: 0; }

        .step-link { display: inline-flex; align-items: center; justify-content: center; color: #4b9fd1; font-size: 0.75rem; font-weight: 700; }
        @media (min-width: 768px) { .step-link { font-size: 0.875rem; justify-content: flex-start; } }
        .step-link:hover { text-decoration: underline; }
        .step-link svg { width: 1rem; height: 1rem; margin-left: 0.25rem; }

        .step-note {
            color: #374151; font-size: 0.875rem; background-color: #f9fafb;
            padding: 1rem; border-radius: 0.75rem; border: 1px solid #e5e7eb;
            display: inline-block; text-align: left;
        }
        @media (min-width: 768px) { .step-note { font-size: 1rem; } }
        .step-note-mark { font-weight: 700; color: #c82c28; margin-right: 0.25rem; }

        /* ==========================================================================
           アプリダウンロードエリア
           ========================================================================== */
        .app-download-section {
            background: linear-gradient(to bottom, #f4f9fc, #ffffff);
            border-radius: 1rem; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            border: 1px solid #dbeafe; padding: 1.5rem; margin-bottom: 3rem;
            text-align: center; position: relative; overflow: hidden;
        }
        @media (min-width: 768px) { .app-download-section { padding: 2.5rem; } }
        
        .app-bg-circle-1 { position: absolute; top: -2.5rem; right: -2.5rem; width: 8rem; height: 8rem; background-color: #dbeafe; border-radius: 9999px; opacity: 0.5; }
        .app-bg-circle-2 { position: absolute; bottom: -2.5rem; left: -2.5rem; width: 6rem; height: 6rem; background-color: #eff6ff; border-radius: 9999px; opacity: 0.5; }

        .app-content { position: relative; z-index: 10; }
        .app-title { font-size: 1.5rem; font-weight: 700; color: #4b9fd1; margin-bottom: 0.75rem; }
        @media (min-width: 768px) { .app-title { font-size: 1.875rem; } }
        .app-desc { color: #4b5563; margin-bottom: 2rem; font-size: 0.875rem; line-height: 1.5; }
        @media (min-width: 768px) { .app-desc { font-size: 1rem; } }

        .app-links { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2rem; }
        @media (min-width: 768px) { .app-links { flex-direction: row; gap: 3rem; } }
        
        .store-buttons { display: flex; flex-direction: column; gap: 1rem; width: 100%; }
        @media (min-width: 768px) { .store-buttons { width: auto; } }
        
        .store-btn {
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            width: 12rem; margin: 0 auto;
        }
        .store-btn:hover { opacity: 0.8; }
        .store-btn svg { width: 2rem; height: 2rem; margin-right: 0.75rem; }
        .store-btn-text { text-align: left; }
        .store-btn-small { font-size: 0.75rem; line-height: 1; margin-bottom: 0.25rem; }
        .store-btn-large { font-size: 1.25rem; font-weight: 600; line-height: 1; }
	.qr-box{ display: none; }

        @media (min-width: 768px) {
	        .qr-box {
	            background-color: #ffffff; padding: 1rem; border-radius: 0.75rem;
	            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); border: 1px solid #e5e7eb;
	            display: flex; flex-direction: column; align-items: center;
	        }
	}

	.qr-image { width: 8rem; height: 8rem; margin-bottom: 0.5rem; }
        .qr-text { font-size: 0.75rem; color: #6b7280; font-weight: 700; letter-spacing: 0.025em; line-height: 1.5; }

        /* ==========================================================================
           アクションボタン（下部・念押し）
           ========================================================================== */
        .bottom-action-title { text-align: center; font-weight: 700; color: #374151; margin-bottom: 1rem; }

        /* ==========================================================================
           注意事項
           ========================================================================== */
        .notes-section {
            background-color: #f3f4f6; border-radius: 0.75rem; padding: 1.5rem;
            font-size: 0.75rem; color: #4b5563;
        }
        @media (min-width: 768px) { .notes-section { padding: 2rem; font-size: 0.875rem; } }
        .notes-title { font-weight: 700; margin-bottom: 1rem; color: #1f2937; font-size: 1rem; }
        .notes-list { display: flex; flex-direction: column; gap: 1rem; }
        .notes-item { display: flex; align-items: flex-start; }
        .notes-num { margin-right: 0.5rem; font-weight: 700; flex-shrink: 0; }
        .notes-text { line-height: 1.625; }
        .notes-sub-box {
            margin-top: 0.5rem; padding-left: 0.75rem;
            display: flex; flex-direction: column; gap: 0.25rem;
        }

        /* ==========================================================================
           フッター
           ========================================================================== */
        .footer { background-color: #1f2937; color: #ffffff; text-align: center; padding: 1.5rem 0; }
        .footer-inner { max-width: 56rem; margin: 0 auto; padding: 0 1rem; }
        .footer-title { font-size: 0.875rem; }
        .footer-copy { font-size: 0.75rem; color: #9ca3af; margin-top: 0.5rem; }