:root {
            --primary-red: #7C1818; /* 重厚な朱・紅 */
            --primary-red-hover: #5A0E0E;
            --gold: #C2A05B;      /* 落ち着いた金 */
            --gold-light: #DFCA9B;
            --bg-washi: #F7EEE5;  /* 和紙風のベース色 */
            --text-main: #3C312E; /* 墨色 */
            --text-light: #706764;
            --border-color: #D6C7B8;
        }

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

        body {
            font-family: 'Noto Serif JP', serif;
            color: var(--text-main);
            /* 上品なテクスチャ風の背景 */
            background-color: var(--bg-washi);
            background-image: 
                radial-gradient(#dbc7b3 1px, transparent 1px),
                radial-gradient(#dbc7b3 1px, transparent 1px);
            background-position: 0 0, 20px 20px;
            background-size: 40px 40px;
            background-attachment: fixed;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* フェードインアニメーション */
        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
        }
        .delay-1 { animation-delay: 0.2s; }
        .delay-2 { animation-delay: 0.4s; }
        .delay-3 { animation-delay: 0.6s; }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* =========================================
           1. HERO AREA (TOP表現)
           ========================================= */
        .hero {
            position: relative;
            width: 100%;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background:
                radial-gradient(1200px 460px at 15% 8%, rgba(194, 160, 91, 0.24) 0%, rgba(194, 160, 91, 0) 66%),
                radial-gradient(980px 380px at 88% 14%, rgba(145, 87, 64, 0.2) 0%, rgba(145, 87, 64, 0) 68%),
                linear-gradient(160deg, #3b1f1f 0%, #2a1618 42%, #171012 100%);
            color: #ffffff;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            border-bottom: 4px solid var(--gold);
        }

        /* iframe 埋め込み時は hero の高さ暴走を防ぐ */
        .is-embed .hero {
            min-height: clamp(480px, 72vh, 900px);
        }

        @media (max-width: 768px) {
            .is-embed .hero {
                min-height: clamp(360px, 66vh, 640px);
            }
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(
                to bottom,
                rgba(20, 10, 10, 0.22) 0%,
                rgba(24, 12, 12, 0.36) 42%,
                rgba(0, 0, 0, 0.62) 100%
            );
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(223, 202, 155, 0.16) 1px, transparent 1px);
            background-size: 26px 26px;
            opacity: 0.28;
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 40px 20px;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.8rem);
            font-weight: 700;
            letter-spacing: 0.15em;
            line-height: 1.4;
            margin-bottom: 24px;
            color: #ffffff;
            text-shadow: 0 4px 25px rgba(0,0,0,0.9);
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.4rem);
            font-weight: 500;
            letter-spacing: 0.3em;
            color: var(--gold-light);
            margin-bottom: 48px;
            display: block;
            text-shadow: 0 2px 10px rgba(0,0,0,0.8);
        }

        .hero-subtitle::before,
        .hero-subtitle::after {
            content: '';
            display: inline-block;
            width: 40px;
            height: 1px;
            background-color: var(--gold-light);
            vertical-align: middle;
            margin: 0 16px;
        }

        .hero-lead-container {
            background: rgba(15, 10, 10, 0.5);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(194, 160, 91, 0.4);
            border-radius: 2px;
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            box-shadow: inset 0 0 40px rgba(0,0,0,0.3);
        }

        .hero-lead-container::before,
        .hero-lead-container::after {
            content: '';
            position: absolute;
            width: 20px; height: 20px;
            border: 1px solid var(--gold);
            opacity: 0.8;
        }
        .hero-lead-container::before { top: 8px; left: 8px; border-right: none; border-bottom: none; }
        .hero-lead-container::after { bottom: 8px; right: 8px; border-left: none; border-top: none; }

        .hero-lead {
            font-size: clamp(0.95rem, 1.5vw, 1.1rem);
            font-weight: 300;
            line-height: 2.2;
            letter-spacing: 0.08em;
            text-align: justify;
            color: #f7f7f7;
        }

        /* =========================================
           2. SECTION STYLING (配置場所)
           ========================================= */
        .page-section {
            padding: 80px 20px 100px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-title {
            font-size: 2.2rem;
            color: var(--primary-red);
            font-weight: 700;
            letter-spacing: 0.15em;
            margin-bottom: 25px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 2px;
            background-color: var(--gold);
        }

        .section-desc {
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.05rem;
            color: var(--text-main);
            line-height: 2;
            padding: 30px 40px;
            background: #ffffff;
            border-radius: 4px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.04);
            border: 1px solid var(--border-color);
            position: relative;
            z-index: 5;
        }
        
        .section-desc .highlight {
            color: var(--primary-red);
            font-weight: 700;
            background: linear-gradient(transparent 70%, rgba(194, 160, 91, 0.3) 70%);
        }

        /* =========================================
           3. TAB UI (面選択)
           ========================================= */
        .tab-container {
            margin-top: 40px;
            background: #ffffff;
            border-radius: 4px;
            box-shadow: 0 15px 50px rgba(0,0,0,0.05);
            border: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
            z-index: 10;
        }

        .tab-buttons {
            display: flex;
            background: #EFE9E0;
            border-bottom: 2px solid var(--gold);
        }

        .tab-btn {
            flex: 1;
            padding: 20px 10px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 1.1rem;
            font-weight: 500;
            font-family: 'Noto Serif JP', serif;
            letter-spacing: 0.1em;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .tab-btn:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 25%;
            height: 50%;
            width: 1px;
            background-color: var(--border-color);
        }

        .tab-btn:hover {
            background: rgba(255,255,255,0.5);
            color: var(--primary-red);
        }

        .tab-btn.active {
            background: var(--primary-red);
            color: var(--gold-light);
            font-weight: 700;
            box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
        }

        .tab-btn.active::after {
            display: none;
        }

        .tab-content {
            display: none;
            padding: 40px;
            animation: fadeIn 0.4s ease forwards;
        }

        .tab-content.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* =========================================
           4. SVG MAP AREA
           ========================================= */
        .svg-map-wrapper {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 40px;
            border-bottom: 1px dashed var(--border-color);
            position: relative;
        }
        
        .svg-map-title {
            font-size: 1.4rem;
            color: var(--primary-red);
            margin-bottom: 20px;
            letter-spacing: 0.15em;
        }

        .svg-container {
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .building-svg {
            width: 100%;
            height: auto;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
        }
        
        /* 該当エリアの「ふんわりハイライト」 */
        .svg-highlight {
            fill: var(--gold);
            opacity: 0;
            animation: pulseGlow 3s infinite alternate;
        }
        
        @keyframes pulseGlow {
            0% { opacity: 0.15; filter: drop-shadow(0 0 5px var(--primary-red)); }
            100% { opacity: 0.4; filter: drop-shadow(0 0 15px var(--gold)); }
        }

        /* =========================================
           5. CARD GRID (石板リスト)
           ========================================= */
        .stone-grid-title {
            text-align: center;
            font-size: 1.3rem;
            color: var(--text-main);
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }
        
        .stone-grid-title::before, .stone-grid-title::after {
            content: '';
            width: 40px;
            height: 1px;
            background: var(--border-color);
        }

        .stone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        @media (max-width: 1024px) {
            .stone-grid { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 768px) {
            .stone-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
            .tab-buttons { flex-wrap: wrap; }
            .tab-btn { flex: 50%; border-bottom: 1px solid var(--border-color); }
            .tab-btn:not(:last-child)::after { display: none; }
            .tab-content { padding: 20px 10px; }
            .page-section { padding: 60px 15px; }
            .section-desc { padding: 20px; }
        }

        @media (max-width: 480px) {
            .stone-grid { grid-template-columns: 1fr; }
        }

        .stone-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .stone-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(124, 24, 24, 0.08);
            border-color: rgba(194, 160, 91, 0.6);
        }

        .stone-img-wrapper {
            aspect-ratio: 1 / 1;
            background: #EFE9E0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .stone-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .stone-card:hover .stone-img-wrapper img {
            transform: scale(1.05);
        }

        .stone-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .stone-num-tag {
            display: inline-block;
            background: var(--bg-washi);
            color: var(--primary-red);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .stone-name {
            font-size: 1.15rem;
            color: var(--primary-red);
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.05em;
        }

        .stone-benefit {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.5;
            flex-grow: 1;
        }

        .btn-donate {
            display: block;
            width: 100%;
            padding: 12px 0;
            text-align: center;
            background-color: var(--primary-red);
            color: #ffffff;
            text-decoration: none;
            font-size: 0.95rem;
            letter-spacing: 0.1em;
            border: none;
            border-radius: 2px;
            cursor: pointer;
            transition: background 0.3s;
            font-family: 'Noto Serif JP', serif;
        }

        .btn-donate:hover {
            background-color: var(--primary-red-hover);
        }

    
        /* =========================================
           NEW UI: TAB SUMMARY & BUTTON LIST
           ========================================= */
        .tab-summary {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 4px;
            margin-bottom: 30px;
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-main);
            text-align: center;
        }

        .stone-button-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }

        .stone-list-btn {
            background: #FDF9F1;
            border: 1px solid var(--gold);
            padding: 16px 20px;
            border-radius: 2px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            text-align: left;
        }

        .stone-list-btn:hover {
            background: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(194, 160, 91, 0.15);
        }

        .stone-list-btn .stone-num {
            font-size: 0.85rem;
            color: var(--primary-red);
            font-family: sans-serif;
            margin-right: 16px;
            font-weight: bold;
            padding-right: 16px;
            border-right: 1px solid var(--gold-light);
        }

        .stone-list-btn .stone-title {
            font-size: 1.1rem;
            color: var(--text-main);
            font-family: 'Noto Serif JP', serif;
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        /* =========================================
           MODAL UI
           ========================================= */
        .modal-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.7);
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            padding: 20px;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--bg-washi);
            width: 100%;
            max-width: 900px;
            max-height: 90vh;
            border-radius: 6px;
            position: relative;
            display: flex;
            flex-direction: column;
            transform: translateY(30px);
            transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
            overflow-x: hidden;
            overflow-y: auto;
            border: 2px solid var(--gold);
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
        }

        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 2rem;
            color: var(--text-light);
            cursor: pointer;
            z-index: 10;
            transition: color 0.3s;
            line-height: 1;
        }

        .modal-close:hover {
            color: var(--primary-red);
        }

        .modal-body-scroll {
            overflow-y: auto;
            overflow-x: hidden;
            flex: 1 1 auto;
            min-height: 0;
            padding: 32px 20px;
        }

        /* スクロールバーのスタイリング(Webkit) */
        .modal-body-scroll::-webkit-scrollbar { width: 6px; }
        .modal-body-scroll::-webkit-scrollbar-track { background: transparent; }
        .modal-body-scroll::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

        .modal-header {
            text-align: center;
            margin-bottom: 25px;
        }

        .modal-header .modal-num {
            display: inline-block;
            background: transparent;
            color: var(--primary-red);
            font-size: 0.9rem;
            padding: 4px 12px;
            border: 1px solid var(--primary-red);
            border-radius: 20px;
            margin-bottom: 15px;
        }

        .modal-header .modal-title {
            font-size: 1.8rem;
            color: var(--text-main);
            font-weight: 700;
            letter-spacing: 0.1em;
            margin: 0;
        }

        .modal-svg-area {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 0 0 6px;
            border-radius: 4px;
            margin-bottom: 25px;
            overflow: hidden;
            display: block;
            flex: 1 1 auto;
            min-width: 0;
            width: 100%;
        }

        .modal-figure-label {
            font-size: 0.8rem;
            color: #888;
            margin: 0;
            padding: 14px 16px 0;
            letter-spacing: 0.08em;
            text-align: left;
        }

        #modal-svg-container {
            width: 100%;
            max-width: none;
            margin: 0;
            padding: 4px 4px 8px;
            display: block;
            flex: 1 1 auto;
            min-width: 0;
            max-height: 56vh;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(253, 249, 241, 0.85) 0%, #ffffff 100%);
        }

        #modal-svg-container svg,
        #modal-svg-container img {
            display: block !important;
            margin: 0 auto !important;
            width: 100% !important;
            height: auto !important;
            max-width: 100% !important;
            max-height: 56vh !important;
        }

        #modal-svg-container .modal-map-layer {
            width: 100%;
            margin: 0 auto;
        }

        #modal-svg-container .modal-map-svg {
            display: block;
            width: 100% !important;
            max-width: 100% !important;
            max-height: 56vh !important;
            margin: 0 !important;
        }

        #modal-svg-container .modal-map-pulse-group {
            transform-box: fill-box;
            transform-origin: center;
            animation: modalPulseYellow 2s ease-out infinite;
            pointer-events: none;
        }

        #modal-svg-container .modal-map-pulse-outline-outer {
            fill: none;
            stroke: rgba(255, 255, 255, 0.98);
            stroke-width: 3;
            filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.52));
        }

        #modal-svg-container .modal-map-pulse-outline-inner {
            fill: none;
            stroke: rgba(255, 255, 255, 0.98);
            stroke-width: 0.5;
        }

        #modal-svg-container .modal-map-pulse {
            fill: rgba(244, 208, 0, 0.45);
            stroke: #f4d000;
            stroke-width: 3;
            filter: drop-shadow(0 0 8px rgba(244, 208, 0, 0.95)) drop-shadow(0 0 18px rgba(255, 140, 0, 0.7));
        }

        #modal-svg-container .modal-map-pulse-group--small .modal-map-pulse-outline-outer {
            stroke-width: 3.6;
            filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.68));
        }

        #modal-svg-container .modal-map-pulse-group--small .modal-map-pulse-outline-inner {
            stroke-width: 0.9;
        }

        #modal-svg-container .modal-map-pulse-group--small .modal-map-pulse {
            fill: rgba(244, 208, 0, 0.58);
            stroke-width: 3.4;
            filter: drop-shadow(0 0 10px rgba(244, 208, 0, 0.98)) drop-shadow(0 0 22px rgba(255, 140, 0, 0.85));
        }

        @keyframes modalPulseYellow {
            0% {
                opacity: 1;
                transform: scale(1);
                filter: drop-shadow(0 0 8px rgba(244, 208, 0, 0.9)) drop-shadow(0 0 14px rgba(255, 140, 0, 0.55));
            }
            70% {
                opacity: 0;
                transform: scale(2);
                filter: drop-shadow(0 0 14px rgba(244, 208, 0, 0.95)) drop-shadow(0 0 28px rgba(255, 140, 0, 0.85));
            }
            100% {
                opacity: 0;
                transform: scale(2);
                filter: drop-shadow(0 0 14px rgba(244, 208, 0, 0)) drop-shadow(0 0 28px rgba(255, 140, 0, 0));
            }
        }

        .modal-desc {
            background: #ffffff;
            padding: 20px;
            border-left: 4px solid var(--gold);
            margin-bottom: 30px;
            font-size: 0.95rem;
            line-height: 1.6;
            color: var(--text-main);
        }

        .modal-action {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            margin-bottom: 40px;
        }

        .modal-action-note {
            margin: -28px 0 24px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }

        .modal-donate-btn {
            font-size: 1.1rem;
            padding: 16px 40px;
            border-radius: 30px;
            box-shadow: 0 4px 15px rgba(124, 24, 24, 0.3);
            max-width: 400px;
            margin: 0;
            position: relative;
            overflow: hidden;
            isolation: isolate;
            z-index: 0;
            border: 1px solid rgba(255, 220, 140, 0.35);
            animation: donateBorderGlowLoop 4.6s ease-in-out infinite;
        }

        .modal-donate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 24, 24, 0.4);
        }

        .modal-donate-btn::before {
            content: '';
            position: absolute;
            top: -120%;
            left: -35%;
            width: 38%;
            height: 340%;
            transform: rotate(25deg);
            background: linear-gradient(
                90deg,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.92) 50%,
                rgba(255, 255, 255, 0) 100%
            );
            z-index: 1;
            pointer-events: none;
            mix-blend-mode: screen;
            animation: donateShimmerLoop 8.8s ease-in-out infinite;
        }

        .modal-donate-btn::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 30px;
            box-shadow:
                inset 0 0 0 1px rgba(255, 230, 165, 0.32),
                0 0 0 rgba(255, 203, 88, 0);
            pointer-events: none;
            z-index: 0;
        }

        @keyframes donateShimmerLoop {
            0%, 22% {
                transform: translateX(-180%) rotate(25deg);
                opacity: 0;
            }
            28% {
                opacity: 0.45;
            }
            42% {
                transform: translateX(360%) rotate(25deg);
                opacity: 0;
            }
            100% {
                transform: translateX(360%) rotate(25deg);
                opacity: 0;
            }
        }

        @keyframes donateBorderGlowLoop {
            0%, 100% {
                box-shadow:
                    inset 0 0 0 1px rgba(255, 247, 220, 0.28),
                    inset 0 0 0 rgba(255, 255, 255, 0),
                    0 4px 15px rgba(124, 24, 24, 0.3),
                    0 0 0 rgba(255, 210, 110, 0);
                border-color: rgba(255, 220, 140, 0.28);
            }
            50% {
                box-shadow:
                    inset 0 0 0 1px rgba(255, 255, 255, 0.86),
                    inset 0 0 26px rgba(255, 255, 255, 0.38),
                    0 6px 20px rgba(124, 24, 24, 0.36),
                    0 0 16px rgba(255, 214, 120, 0.34);
                border-color: rgba(255, 244, 210, 0.82);
            }
        }

        .modal-nav-btn {
            appearance: none;
            border: 1px solid var(--border-color);
            background: #fff;
            color: var(--text-light);
            border-radius: 20px;
            padding: 9px 14px;
            font-size: 0.86rem;
            line-height: 1;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .modal-nav-btn:hover:not(:disabled) {
            border-color: var(--gold);
            color: var(--text-main);
            transform: translateY(-1px);
        }

        .modal-nav-btn:disabled {
            opacity: 0.45;
            cursor: not-allowed;
        }

        .modal-payment-info {
            background: #fffdf8;
            border: 1px solid #e9dcc8;
            border-left: 4px solid var(--gold);
            border-radius: 4px;
            padding: 16px;
            margin: -8px 0 28px;
            color: var(--text-main);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .modal-payment-info p {
            margin: 0 0 12px;
        }

        .modal-payment-info p:last-of-type {
            margin-bottom: 10px;
        }

        .modal-payment-info a {
            color: var(--primary-red);
            text-decoration: none;
            border-bottom: 1px solid rgba(124, 24, 24, 0.35);
        }

        .modal-payment-info a:hover {
            border-bottom-color: var(--primary-red);
        }

        .modal-payment-info .payment-label {
            margin: 10px 0 8px;
            font-weight: 700;
            color: var(--primary-red);
            letter-spacing: 0.04em;
        }

        .modal-payment-info .payment-account {
            background: #fff;
            border: 1px solid #e6d7c1;
            border-radius: 4px;
            padding: 10px 12px;
            margin: 0 0 8px;
            font-size: 0.88rem;
            line-height: 1.75;
        }

        .modal-payment-info .payment-account:last-child {
            margin-bottom: 0;
        }

        .modal-image-area {
            text-align: center;
            border-top: 1px dashed var(--border-color);
            padding-top: 30px;
        }

        .modal-image-area h4 {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 15px;
            letter-spacing: 0.1em;
        }

        .modal-image-area img {
            width: 80%;
            max-width: 80%;
            margin: 0 auto;
            display: block;
            border-radius: 4px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        @media (max-width: 768px) {
            .modal-content { max-height: 95vh; }
            .modal-body-scroll { padding: 24px 14px; }
            .modal-header .modal-title { font-size: 1.4rem; }
            .stone-button-list { grid-template-columns: 1fr; }
            .modal-figure-label { padding: 12px 14px 0; }
            #modal-svg-container { padding: 4px 2px 8px; }
            .modal-action {
                gap: 8px;
            }
            .modal-action-note {
                margin: -26px 0 20px;
                font-size: 0.78rem;
            }
            .modal-nav-btn {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .modal-donate-btn {
                font-size: 1rem;
                padding: 14px 22px;
            }
            .modal-payment-info {
                font-size: 0.88rem;
                padding: 14px 12px;
                margin: -6px 0 24px;
            }
            .modal-payment-info .payment-account {
                font-size: 0.84rem;
                padding: 9px 10px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .modal-donate-btn,
            .modal-donate-btn::before {
                animation: none !important;
            }
        }