:root {
            
            --md-sys-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);

            /* Typography */
            font-family:  'Roboto', 'Noto Sans JP', sans-serif;
            font-weight: 400;

            --header-height: 56px;
            --md-ripple-hover-color:#0000;
            --md-ripple-pressed-color:var(--md-sys-color-surface-container-low);
            --md-ripple-pressed-opacity:0.5;

            --slide-offset: 30vw;
            --genre-card-image-height: 200px;
            --md-dialog-container-shape: 32px;
        }
        ::-webkit-scrollbar {
            display: none;
        }
        body {
            background: var(--md-sys-color-surface-container-low);
            color: var(--md-sys-color-on-surface);
            padding: 0;
            margin: 0;
            overflow: hidden;
        }

        .view-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;

            box-sizing: border-box;
            display: flex;
            flex-direction: column;
            transition: all 0.6s cubic-bezier(.72,0,0,1);

            opacity: 0;
            pointer-events: none;
            z-index: 10;
            scale:1;
        }

        .view-wrapper.offscreen-left {
            left: -30vw;
            opacity: 0;
            pointer-events: none;
            z-index: 10;
            scale:0.95;
        }

        .view-wrapper.offscreen-right {
            left: 30vw;
            opacity: 0;
            pointer-events: none;
            z-index: 10;
            scale:1.05;
        }

        .view-wrapper.active {
            left: 0;
            opacity: 1;
            pointer-events: auto;
            z-index: 30;
        }

        #loading-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: var(--md-sys-color-surface-container-low);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            scale:1;
            opacity:1;
            text-align:center;
        }

        #loading-container.offscreen-left {
            left: -30vw;
            opacity: 0;
            pointer-events: none;
            z-index: 10;
            scale:0.9;
        }


        #loading-content {
            width: 90%;
            max-width: 600px;
            margin: auto;
        }

        header {
            background-color: var(--md-sys-color-surface-container-low);
            color: var(--md-sys-color-on-surface);
            padding: 40px 32px;
            box-shadow: none;
            z-index: 100;
            display: flex;
            align-items: center;
            box-sizing: border-box;
            position: static;
            width: 100%;
            --md-ripple-pressed-color:var(--md-sys-color-on-surface);
            --md-ripple-pressed-opacity:0.2;
        }

        header h1 {
            font-size: 2rem;
            font-weight: 400;
            margin: 0;
            line-height: 1;
        }

        #genre-content, #gallery-content {
            flex-grow: 1;
            overflow-y: auto;
            padding: 0 20px 20px 20px;
            background: var(--md-sys-color-surface-container-low);
        }

        #loading-bar-container {
            width: 100%;
            background-color: var(--md-sys-color-surface-container);
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        #loading-bar {
            height: 8px;
            width: 0%;
            background-color: var(--md-sys-color-primary);
            color: transparent;
            transition: width 0.3s;
            border-radius: 8px;
        }

        #loading-text {
            font-size: 16px;
            color: var(--md-sys-color-on-surface);
            margin: 0;
        }

        #genre-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .genre-card {
            background: none;
            border-radius: 0;
            box-shadow: none;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.2s;
            position:relative;
            border-radius:32px;
        }

        .genre-card:hover {
            box-shadow: none;
            transform: none;
        }

        .genre-image-container {
            width: 100%;
            height: var(--genre-card-image-height);
            display: block;
            background-image:unset;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 100px;
            transition:all 0.6s cubic-bezier(.34,.24,0,1), background-image 0.3s ease; /* ホバー時のトランジション */
            background-color: var(--md-sys-color-surface-container-high);
            corner-shape:superellipse(1.1);
        }

        .genre-image-container:hover {
            border-radius: 50px;
            corner-shape:superellipse(1.5);
        }

        .genre-card-content {
            padding: 16px 0;
            text-align: center;
        }

        .genre-card-content h3 {
            margin: 0;
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--md-sys-color-on-surface);
        }

        /* --- Gallery View: Image Grid (修正) --- */
        #back-button {
            background: var(--md-sys-color-surface-container-highest);
            margin-right: 12px;
            padding: 16px;
            border: none;
            cursor: pointer;
            border-radius: 50%;
            color: var(--md-sys-color-on-surface);
            position:relative;
        }
        #image-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 16px;
            padding-top: 20px;
        }

        #image-gallery > div {
            corner-shape:superellipse(1.6);
            border-radius: 64px;
            background: var(--md-sys-color-surface-container);
            overflow: hidden;
            box-shadow: var(--md-sys-elevation-1);
        }
        .gallery-image-wrapper {
            width: 100%;
            aspect-ratio: 16/9;
            cursor: pointer;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position:relative;
            background-color: var(--md-sys-color-surface-container-high);
            transition: background-image 0.3s ease; /* ホバー時のトランジション */
        }
*::backdrop {
    background:#000a!important;
}

#action-list {
    display: flex;
    flex-direction: column;
    background: none;
    gap: 3px;
    border-radius: 16px;
    overflow:hidden;
    padding:0px;
    margin-top:8px;
}
md-list-item {
    background: var(--md-list-container-color, var(--md-sys-color-surface, #fef7ff));
    border-radius:4px;
    margin:0px;
}