.detail-heading h1 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.3;
}

.detail-maker {
    color: var(--color-muted);
}

.detail-main {
    display: grid;
    grid-template-columns: minmax(320px, 0.85fr) minmax(460px, 1.15fr);
    gap: 36px;
    margin-top: 1rem;
}

.detail-image-button,
.detail-image-placeholder {
    display: flex;
    width: 100%;
    aspect-ratio: 4 / 3;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    background: #eef2f7;
}

.detail-image-button {
    padding: 0;
    overflow: hidden;
    cursor: zoom-in;
}

.detail-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.detail-preview-carousel {
    display: flex;
    max-width: 560px;
    align-items: stretch;
    margin: 12px auto 0;
}
.detail-preview-carousel.detail-panel {
    padding: 3px;
}

.detail-preview-slider {
    display: flex;
    flex: 1;
    min-width: 0;
    gap: 8px;
    padding: 2px 2px 6px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
}

.detail-preview-slider::-webkit-scrollbar {
    display: none;
}

.btn-detail-preview-nav {
    position: relative;
    flex: 0 0 44px;
    width: 44px;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: transparent;
    font-size: 0;
    cursor: pointer;
    transition: background 150ms ease-out;
}

.btn-detail-preview-nav::after {
    position: absolute;
    top: 50%;
    left: 50%;
    border-top: 18px solid transparent;
    border-bottom: 18px solid transparent;
    content: "";
    transform: translate(-50%, -50%);
}

.btn-detail-preview-nav.prev::after {
    border-right: 11px solid var(--color-muted);
}

.btn-detail-preview-nav.next::after {
    border-left: 11px solid var(--color-muted);
}

.btn-detail-preview-nav:hover,
.btn-detail-preview-nav:focus-visible {
    background: #e7edf5;
}

.btn-detail-preview-nav.prev:hover::after,
.btn-detail-preview-nav.prev:focus-visible::after {
    border-right-color: var(--color-foreground);
}

.btn-detail-preview-nav.next:hover::after,
.btn-detail-preview-nav.next:focus-visible::after {
    border-left-color: var(--color-foreground);
}

.btn-detail-preview-nav:disabled {
    visibility: hidden;
}

.btn-detail-preview {
    flex: 0 0 76px;
    width: 76px;
    height: 76px;
    padding: 2px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    cursor: pointer;
}

.btn-detail-preview:hover,
.btn-detail-preview:focus-visible {
    border-color: var(--color-primary);
}

.btn-detail-preview.is-active {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-secondary);
}

.detail-preview-image {
    display: block;
    width: 100%;
    height: 100%;
    background: #eef2f7;
    object-fit: contain;
}

.detail-image-modal .modal-dialog {
    max-width: min(1260px, calc(100vw - 32px));
}

.detail-image-modal .modal-content {
    border-color: var(--color-border);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
}

.detail-image-modal .modal-header {
    padding: 8px 12px;
}

.detail-image-modal .modal-body {
    padding: 12px;
}

.detail-image-modal-stage {
    display: flex;
    width: min(1220px, calc(100vw - 56px));
    height: min(900px, calc(100vh - 160px));
    max-width: 1220px;
    max-height: 900px;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.detail-image-modal-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.detail-image-modal-nav {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 10px;
}

.detail-image-modal-nav .btn-detail-preview-nav {
    width: 96px;
    height: 48px;
    flex-basis: 96px;
}

.detail-image-modal-nav .btn-detail-preview-nav.prev::after {
    border-right-width: 22px;
}

.detail-image-modal-nav .btn-detail-preview-nav.next::after {
    border-left-width: 22px;
}

.detail-panel {
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-medium);
    padding: 24px;
    background: var(--color-surface);
    box-shadow: var(--shadow-item);
}

.detail-product-info {
    align-self: start;
}

.detail-product-info h2,
.detail-price-summary-heading h2,
.general-detail-description h2,
.general-related-items h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
}

.detail-metadata {
    margin: 16px 0 0;
}

.detail-metadata > div {
    display: grid;
    grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.detail-metadata > div:first-child {
    padding-top: 0;
}

.detail-metadata > div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.detail-metadata dt {
    color: var(--color-muted);
    font-weight: 700;
}

.detail-metadata dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}

.detail-metadata a {
    font-weight: 700;
    text-underline-offset: 0.2em;
}

.detail-metadata a:focus-visible {
    border-radius: 3px;
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.detail-genre-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.detail-genre-tag {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    border-radius: var(--radius-small);
    padding: 3px 10px;
    background: var(--color-surface-blue);
    color: var(--color-primary-strong);
    font-weight: 700;
}

.detail-price-summary-heading {
    margin-bottom: 16px;
}

.detail-price-grid,
.detail-price-list,
.detail-price-row {
    min-width: 0;
}

.detail-price-grid-header {
    display: none;
}

.detail-price-list {
    display: grid;
    gap: 16px;
}

.detail-price-row {
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-border);
}

.detail-price-row-values {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
}

.detail-price-cell {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: var(--color-surface);
    overflow-wrap: anywhere;
}

.detail-price-cell-site,
.detail-price-cell-product-page {
    grid-column: 1 / -1;
}

.detail-price-cell-site {
    background: #edf1f6;
}

.detail-price-cell-label {
    color: var(--color-muted);
    font-weight: 700;
}

.detail-price-cell-value {
    margin: 0;
}

.detail-price-cell-centered .detail-price-cell-value {
    text-align: center;
}

.detail-price-cell-numeric .detail-price-cell-value {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.detail-price-site-tag {
    display: inline-flex;
    min-width: 5.5rem;
    min-height: 32px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-small);
    padding: 3px 10px;
    color: #fff;
    font-weight: 800;
}

.detail-price-row.site-dlsite_home .detail-price-site-tag {
    background: var(--color-dlsite);
}

.detail-price-row.site-fanza .detail-price-site-tag {
    background: var(--color-fanza);
}

.detail-price-cell-product-page .detail-price-cell-value {
    display: flex;
    justify-content: center;
}

.detail-price-product-link {
    align-items: center;
    text-align: center;
    color: #0b5cab;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.18em;
    white-space: nowrap;
}

.detail-price-product-link:hover {
    color: #073f78;
}

.detail-price-product-link:focus-visible {
    border-radius: var(--radius-small);
    outline: 3px solid #0b5cab;
    outline-offset: 3px;
}

.detail-price-product-link-icon {
    font-weight: 800;
}

.detail-price-date,
.detail-price-time {
    display: block;
}

@media (min-width: 1120px) {
    .detail-price-grid {
        display: grid;
        grid-template-columns:
            6.5rem
            10rem
            minmax(6.5rem, 0.7fr)
            minmax(7rem, 0.8fr)
            minmax(7rem, 0.8fr)
            5.5rem
            10rem
            10rem;
    }

    .detail-price-grid-header,
    .detail-price-list,
    .detail-price-row,
    .detail-price-row-values {
        grid-column: 1 / -1;
        grid-template-columns: subgrid;
    }

    .detail-price-grid-header,
    .detail-price-list,
    .detail-price-row,
    .detail-price-row-values {
        display: grid;
    }

    .detail-price-grid-header {
        border: 1px solid var(--color-border);
        border-bottom: 0;
        border-radius: var(--radius-small) var(--radius-small) 0 0;
        background: #e7edf5;
        color: var(--color-foreground);
        font-weight: 800;
    }

    .detail-price-grid-header > span {
        min-width: 0;
        padding: 10px 8px;
        border-right: 1px solid var(--color-border);
        text-align: center;
        overflow-wrap: anywhere;
    }

    .detail-price-grid-header > span:last-child {
        border-right: 0;
    }

    .detail-price-list {
        gap: 0;
        border-right: 1px solid var(--color-border);
        border-left: 1px solid var(--color-border);
    }

    .detail-price-row {
        border: 0;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        background: var(--color-surface);
    }

    .detail-price-row-values {
        gap: 0;
    }

    .detail-price-cell {
        display: grid;
        grid-column: auto;
        align-content: center;
        padding: 8px;
        border-right: 1px solid var(--color-border);
    }

    .detail-price-cell:last-child {
        border-right: 0;
    }

    .detail-price-cell-site {
        background: var(--color-surface);
    }

    .detail-price-cell-label {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        padding: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    .detail-price-date,
    .detail-price-time {
        display: inline;
    }
}

#priceGraphScrollAnchor { scroll-margin-top: calc(var(--site-header-height) + 3.5rem); }
.detail-chart-wrap.detail-panel {
    padding: 0;
}

.graph-tab-bar { border-bottom: 1px solid #e5e7eb; padding: 0 1rem; display: flex; overflow-x: auto; scrollbar-width: thin; }
.graph-tab { cursor: pointer; padding: 0.375rem 0.875rem; font-size: medium; color: #6b7280; border: none; border-bottom: 2px solid transparent; background: none; white-space: nowrap; flex: 0 0 auto; }
.graph-tab.active { color: #2563eb; border-bottom-color: #2563eb; font-weight: 600; }
.graph-tab-content { border-bottom: 1px solid #d1d5db; min-height: 220px; padding: 0.5rem 0; }

.graph-tracking-content { padding: 0 20px; }
.graph-tracking-label { font-size: medium; color: #6b7280; margin-bottom: 0.375rem; }
.graph-tracking-row {
    display: flex; align-items: center; font-size: medium;
}
.graph-tracking-content .graph-tracking-row {
    gap: 0.5rem;
}
.graph-tracking-group {
    display: flex;
    align-items: center;
    border-radius: 4px;
    border: 1px solid #d1d5db;
    margin-right: 0.8rem;
}
.graph-tracking-input {
    width: 120px; padding: 0.3rem 0.5rem; outline: none;
    height: 40px;
    align-items: center;
    text-align: right;
}
.graph-tracking-unit {
    border-left: 1px solid #d1d5db;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    align-items: center;
    background: #e9ecef;
}
.graph-tracking-shortcuts { display: flex; gap: 0.5rem; margin: 0.5rem 0; }
.btn-graph-tracking-shortcut { cursor: pointer; border: 1px solid #d1d5db; border-radius: 4px; padding: 0.25rem 0.625rem; background: #f9fafb; color: #374151; white-space: nowrap; }
.btn-graph-tracking-shortcut:hover { background: #e5e7eb; }
.btn-graph-tracking { cursor: pointer; border: 1px solid #d1d5db; border-radius: 4px; padding: 0.25rem 0.625rem; font-size: medium; line-height: 1.4; white-space: nowrap; }
.btn-graph-tracking.update { background: #2563eb; color: #fff; border-color: #2563eb; }
.btn-graph-tracking.cancel { background: #dc2626; color: #fff; border-color: #dc2626; }
.graph-tracking-status { font-size: medium; margin-top: 0.375rem; min-height: 18px; }
.graph-tracking-status.success { color: #16a34a; }
.graph-tracking-status.error { color: #dc2626; }

.graph-tab-content canvas { display: block; }
.graph-loading { padding: 2rem 1rem; text-align: center; color: #6b7280; font-size: medium; }
.graph-error { padding: 2rem 1rem; text-align: center; color: #dc2626; font-size: medium; }
.graph-settings-content { padding: 0 1rem; }
.graph-settings-label { font-size: medium; font-weight: 600; color: #374151; margin-bottom: 0.1rem; }
.graph-settings-row {
    gap: 0.2rem;
    display: flex;
}
.btn-graph-settings {
    cursor: pointer;
    padding: 0.05rem 1rem; border: 1px solid #d1d5db; border-radius: 4px;
    background: #fff; color: #374151;
    margin-left: 0.75rem;
}
.btn-graph-settings.active { border-color: #2563eb; background: #2563eb; color: #fff; }

.graph-content-flex { display: flex; align-items: flex-start; }
.graph-canvas-host { flex: 1; min-width: 0; }
.graph-side-panel { flex: 0 0 auto; width: 9rem; padding-right: 0.75rem; }
.graph-legend-list {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.2rem;
}
.graph-legend-item { display: flex; align-items: center; gap: 0.375rem; color: #374151; font-size: medium; }
.graph-legend-dot { display: inline-block; width: 0.625rem; height: 0.625rem; border-radius: 50%; flex: 0 0 auto; }
.graph-period-selector .graph-settings-row {
    flex-direction: column; align-items: stretch;
}

@media (max-width: 1120px) {
    .detail-main {
        grid-template-columns: minmax(280px, 0.8fr) minmax(380px, 1.2fr);
    }
}

@media (max-width: 820px) {
    .detail-main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .detail-panel {
        padding: 16px;
    }

    .detail-metadata > div {
        grid-template-columns: minmax(0, 1fr);
        gap: 4px;
    }

    .detail-image-modal-stage {
        width: calc(100vw - 52px);
        height: calc(100dvh - 160px);
    }

    .btn-detail-preview {
        flex-basis: 68px;
        width: 68px;
        height: 68px;
    }
}

@media (max-width: 719px) {
    #priceGraphScrollAnchor { scroll-margin-top: 0.75rem; }
    .graph-content-flex { flex-direction: column; gap: 0.5rem; }
    .graph-canvas-host { width: 100%; overflow: hidden; }
    .graph-canvas-host canvas { max-width: 100%; }
    .graph-side-panel { width: 100%; padding-right: 0; padding-left: 1rem; }
    .graph-period-selector .graph-settings-row { flex-direction: row; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
    .detail-preview-slider {
        scroll-behavior: auto;
    }
}