.slideshow-container {
    position: relative;
    height: 800px;
    overflow: hidden;
    margin-bottom: 20px;
    background-color: #ffffff;
    user-select: none;
    align-self: stretch;
    width: 100% !important;
    max-width: none !important;
    
    contain: layout style paint;
    transform: translateZ(0);
    isolation: isolate;
}

.slide {
    position: absolute;
    width: 100%;
    height: 160px;
    display: flex;
    align-items: stretch;
    padding: 0;
    box-sizing: border-box;
    background: #ffffff;
    border: 1px solid #e1e8ed;
    border-top-width: 1px;
    border-bottom-width: 1px;
    border-left-width: 2px;
    border-right-width: 2px;
    cursor: pointer;
    left: 0;
    z-index: 1;
    overflow: hidden;
    margin: 0 8px;
    width: calc(100% - 16px);
    opacity: 1;
    visibility: visible;
    align-self: auto !important;
    
    transform: translateY(0) translateZ(0);
    
    will-change: transform, opacity;
    backface-visibility: hidden;
    perspective: 1000px;
    transform-style: preserve-3d;
    
    contain: layout style paint;
    isolation: isolate;
    
    transition: border-color 0.1s ease, background-color 0.1s ease;
}

.slide:hover {
    border-color: #1d9bf0;
    background-color: #f9f9f9;
}

.slide.animating {
    pointer-events: none;
    will-change: transform;
}

.slide-image-container {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    overflow: hidden;
    flex-shrink: 0;
    
    contain: layout style paint;
    transform: translateZ(0);
}

.slide-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transform: translateZ(0);
    backface-visibility: hidden;
    
    decoding: async;
    loading: lazy;
}

.slide-content {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #0f1419;
    
    contain: layout style;
    transform: translateZ(0);
}

.slide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.slide-domain {
    font-size: 13px;
    color: #536471;
    text-transform: lowercase;
    
    text-rendering: optimizeSpeed;
    font-feature-settings: normal;
}

.slide-title {
    font-size: 15px;
    font-weight: 600;
    color: #0f1419;
    margin: 0 !important;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px !important;
    
    text-rendering: optimizeSpeed;
    font-feature-settings: normal;
    word-break: break-word;
    hyphens: none;
}

.slide-description {
    font-size: 13px;
    color: #536471;
    margin: 0 !important;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    
    text-rendering: optimizeSpeed;
    font-feature-settings: normal;
    word-break: break-word;
    hyphens: none;
}

.slide-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    border-top: 1px solid #eff3f4;
    padding-top: 8px;
}

.slide-footer-left {
    display: flex;
    align-items: center;
    gap: 5px;
}

.slide-site {
    font-size: 11px;
    color: white;
    background: #536471;
    padding: 4px 10px;
    border-radius: 16px;
    font-weight: 600;
    
    contain: layout style paint;
    transform: translateZ(0);
    text-rendering: optimizeSpeed;
}

.slide-site.amazon {
    background: #ff9900;
}

.slide-site.rakuten {
    background: #bf0000;
}

.slide-site.yahoo {
    background: #ff0033;
}

.slide-tag-footer {
    background: #1d9bf0;
    color: white;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    
    contain: layout style paint;
    transform: translateZ(0);
    text-rendering: optimizeSpeed;
}

.slide-timestamp {
    font-size: 11px;
    color: #536471;
    font-weight: 500;
    text-rendering: optimizeSpeed;
}

.loading-message {
    text-align: center;
    padding: 40px 20px;
    color: #536471;
    font-size: 15px;
    height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    
    contain: layout style paint;
    transform: translateZ(0);
}

.scroll-controls {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%) translateZ(0);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
    
    contain: layout style paint;
    will-change: transform;
}

.scroll-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid #e1e8ed;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 10px;
    
    contain: layout style paint;
    transform: translateZ(0);
    will-change: transform, background-color, border-color;
    backface-visibility: hidden;
    
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.1s ease,
                border-color 0.1s ease,
                box-shadow 0.1s ease;
}

.scroll-btn:hover {
    background: #f7f9fa;
    border-color: #1d9bf0;
    box-shadow: 0 4px 12px rgba(29, 155, 240, 0.2);
    transform: translateZ(0) scale(1.05);
}

.scroll-btn:active {
    transform: translateZ(0) scale(0.95);
    transition: transform 0.05s ease;
}

.scroll-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.scroll-btn svg {
    width: 18px;
    height: 18px;
    fill: #536471;
    transition: fill 0.1s ease;
    
    transform: translateZ(0);
    shape-rendering: geometricPrecision;
}

.scroll-btn:hover svg {
    fill: #1d9bf0;
}

.touch-hint {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) translateZ(0);
    font-size: 11px;
    color: #536471;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 8px;
    opacity: 0.7;
    
    contain: layout style paint;
    text-rendering: optimizeSpeed;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.slide p, .slide div {
    margin-top: 0px !important;
    margin-bottom: 0px !important;
}

.content .slideshow-container {
    align-self: stretch !important;
    width: 100% !important;
    max-width: none !important;
    flex-shrink: 0 !important;
}

.content .slideshow-container,
.content .slideshow-container * {
    text-align: initial !important;
}

.slideshow-container * {
    -webkit-font-smoothing: subpixel-antialiased;
    -moz-osx-font-smoothing: auto;
    
    box-sizing: border-box;
}

@supports (animation-timeline: scroll()) {
    .slide {
        animation-fill-mode: both;
        animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .slide-image {
        image-rendering: -webkit-optimize-contrast;
    }
}

@media (prefers-color-scheme: dark) {
    .slideshow-container {
        color-scheme: light;
    }
}

@media (max-width: 768px) {
    .slide-image-container {
        width: 140px;
        height: 140px;
    }

    .slideshow-container {
        height: 700px;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    
    .slide {
        height: 140px;
        margin: 0 4px;
        width: calc(100% - 8px);
        
        will-change: transform;
        transform: translateY(0) translateZ(0);
    }
    
    .slide-image {
        width: 140px;
        height: 140px;
        image-rendering: -webkit-optimize-contrast;
    }
    
    .slide-content {
        padding: 8px 10px;
    }
    
    .slide-title {
        font-size: 14px;
    }
    
    .slide-description {
        font-size: 12px;
        -webkit-line-clamp: 1;
    }
        
    .slide-footer {
        gap: 12px;
    }
    
    .scroll-controls {
        right: 8px;
    }
    
    .scroll-btn {
        width: 36px;
        height: 36px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .scroll-btn svg {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .slide-image-container {
        width: 120px;
        height: 120px;
    }
    
    .slideshow-container {
        height: 600px;
    }
    
    .slide {
        height: 120px;
        will-change: transform;
        contain: layout style;
    }
    
    .slide-image {
        width: 120px;
        height: 120px;
        image-rendering: pixelated;
    }
    
    .slide-description {
        display: none;
    }
    
    .slide-footer {
        margin-top: 4px;
        padding-top: 4px;
        gap: 8px;
    }
    
    .scroll-controls {
        right: 4px;
    }
    
    .scroll-btn {
        width: 32px;
        height: 32px;
    }
    
    .scroll-btn svg {
        width: 14px;
        height: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .slide,
    .scroll-btn,
    .slide-image {
        transition: none !important;
        animation: none !important;
        will-change: auto !important;
    }
    
    .slide {
        transform: translateY(0) translateZ(0);
    }
}

@media print {
    .slideshow-container {
        overflow: visible !important;
        height: auto !important;
    }
    
    .slide {
        position: static !important;
        transform: none !important;
        page-break-inside: avoid;
    }
    
    .scroll-controls,
    .touch-hint {
        display: none !important;
    }
}

@media (min-resolution: 120Hz) {
    .slide {
        will-change: transform, opacity;
    }
}

.slide * {
    transform: translateZ(0);
}

.slide-image[src*="/imgs/user.svg"] {
    image-rendering: crisp-edges;
    transform: translateZ(0) scale(1);
}