/* Meta Logic — Header Maker (1500×500) */

* {
    box-sizing: border-box;
}

html {
    width: 100%;
    overflow-x: hidden;
}

body.hm-body {
    font-family: var(--font-family-base);
}

.hm-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.hm-main {
    max-width: var(--content-max-width-lg);
    margin: 0 auto;
    padding: var(--space-page-y) var(--space-page-x) var(--space-page-bottom);
    display: flex;
    flex-direction: column;
    min-height: calc(100dvh - var(--header-height));
}

.hm-workspace {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    align-items: stretch;
}

@media (min-width: 1025px) {
    .hm-workspace {
        display: grid;
        grid-template-columns: minmax(300px, 1fr) minmax(300px, 440px);
        gap: var(--space-5);
        align-items: start;
    }
}

.hm-preview-stick {
    position: sticky;
    top: var(--sticky-offset);
    align-self: start;
    z-index: 20;
    flex-shrink: 0;
}

.hm-controls-scroll {
    flex: 1;
    min-height: 0;
    max-height: var(--panel-max-height);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--space-2);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: auto !important;
    touch-action: pan-y;
    scrollbar-width: thin;
    scrollbar-color: rgba(90, 168, 214, 0.45) transparent;
}

@media (max-width: 1024px) {
    body.hm-body {
        --hm-sticky-rail-top: var(--ml-header-offset, var(--sticky-offset, 60px));
    }

    .hm-controls-scroll {
        max-height: none;
    }

    .hm-preview-stick {
        position: relative !important;
        top: auto !important;
    }

    /* --- スマホ表示時: キャンバス ＆ 矢印単独固定 --- */
    .hm-sticky-rail {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        width: 100% !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .hm-sticky-rail-pin {
        position: fixed !important;
        top: var(--hm-sticky-rail-top, 60px) !important;
        left: 0 !important;
        width: 100% !important;
        z-index: 1000 !important;
        background: #0b0b0b !important;
        padding: var(--space-3) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6) !important;
        display: flex !important;
        flex-direction: column !important;
        gap: var(--space-2) !important;
    }

    .hm-sticky-rail-flow-spacer {
        display: block;
        width: 100%;
        flex-shrink: 0;
    }

    body.hm-body.ml-vv-keyboard-open .hm-sticky-rail-pin {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .hm-preview-panel h2,
    .hm-preview-panel .hm-preview-head,
    .hm-preview-meta {
        display: none !important;
    }

    .hm-preview-panel {
        background: transparent !important;
        padding: 0 !important;
        box-shadow: none !important;
    }

    .hm-pinned-history-toolbar {
        display: flex !important;
        flex-direction: row !important;
        gap: var(--space-3) !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        padding: var(--space-1) 0 0 0 !important;
        background: transparent !important;
        border: none !important;
    }

    .hm-pinned-history-toolbar .hm-tool-btn,
    .hm-pinned-history-toolbar .hm-btn-history {
        flex: 1 !important;
        max-width: 120px !important;
        min-height: var(--control-hit-min) !important;
        height: auto !important;
        flex-direction: row !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 0 !important;
        font-size: 0 !important;
        line-height: 0 !important;
        background: rgba(255, 255, 255, 0.06) !important;
        border: 1px solid var(--color-border-subtle) !important;
        border-radius: var(--radius-sm) !important;
        gap: 0 !important;
    }

    .hm-pinned-history-toolbar .hm-editor-dock__label {
        display: none !important;
    }

    .hm-pinned-history-toolbar .hm-tool-btn svg,
    .hm-pinned-history-toolbar .hm-btn-history svg {
        width: 18px !important;
        height: 18px !important;
        margin: 0 !important;
    }

    .hm-hero {
        position: relative !important;
        z-index: 1 !important;
        margin-bottom: var(--space-4) !important;
    }

    .hm-controls-scroll {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        margin-top: 0 !important;
        position: relative !important;
        z-index: 1 !important;
    }

    .hm-sticky-rail-placeholder,
    .hm-sticky-rail-placeholder.is-active,
    .hm-sticky-rail-sentinel {
        display: none !important;
    }
}

.hm-hero {
    text-align: center;
    margin-bottom: var(--space-5);
    flex-shrink: 0;
}

.hm-hero h1 {
    font-size: var(--font-size-xl);
    font-weight: 900;
    letter-spacing: 0.04em;
    margin: 0 0 var(--space-3);
    background: linear-gradient(90deg, var(--color-text-inverse), #9fd4ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hm-hero p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    max-width: var(--content-max-width-sm);
    margin-inline: auto;
}

.hm-preview-panel {
    background: var(--color-bg-surface-2);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    box-shadow: var(--shadow-md);
}

.hm-preview-panel h2 {
    margin: 0 0 var(--space-2);
    font-size: var(--font-size-base);
    color: var(--color-text-accent);
    letter-spacing: 0.06em;
}

.hm-preview-meta {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.hm-canvas-wrap {
    display: flex;
    justify-content: center;
    background: radial-gradient(ellipse 100% 80% at 50% 0%, rgba(30, 58, 95, 0.3) 0%, #050508 50%);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    border: none;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px var(--color-border-subtle);
}

.hm-canvas-wrap .canvas-loader {
    border-radius: var(--radius-md);
}

#hm-canvas {
    max-width: 100%;
    height: auto;
    aspect-ratio: 1500 / 500;
    display: block;
    margin: 0 auto;
    touch-action: none;
    box-shadow: 0 0 0 1px var(--color-border-subtle), var(--shadow-md);
    border-radius: var(--space-1);
    cursor: grab;
}

#hm-canvas.hm-dragging {
    cursor: grabbing;
}

.hm-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.hm-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-surface-1);
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.hm-tool-btn {
    flex: 1 1 auto;
    min-width: 0;
    min-height: var(--control-hit-min);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.hm-tool-btn svg {
    display: block;
    flex-shrink: 0;
}

.hm-tool-btn:hover:not(:disabled) {
    border-color: var(--color-text-accent);
    color: var(--color-text-accent);
}

.hm-tool-btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-tool-btn:focus:not(:focus-visible) {
    outline: none;
}

.hm-tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.hm-btn-save {
    width: 100%;
    min-height: var(--control-hit-min);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: none;
    background: linear-gradient(135deg, var(--color-accent-gradient-start) 0%, var(--color-accent-gradient-end) 100%);
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.hm-btn-save svg {
    display: block;
    flex-shrink: 0;
}

.hm-btn-save:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.hm-btn-save:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-btn-reset {
    width: 100%;
    min-height: var(--control-hit-min);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid rgba(251, 191, 36, 0.45);
    background: rgba(45, 38, 12, 0.75);
    color: #fde68a;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
}

.hm-btn-reset:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-card {
    background: var(--color-bg-surface-1);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.hm-card h3 {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-base);
    color: var(--color-text-accent);
    letter-spacing: 0.04em;
}

.hm-tabs {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}

.hm-tab {
    min-height: var(--control-hit-min);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border-default);
    background: rgba(0, 0, 0, 0.25);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hm-tab:hover {
    border-color: var(--color-text-accent);
    color: var(--color-text-primary);
}

.hm-tab.is-active {
    background: linear-gradient(135deg, rgba(30, 87, 153, 0.55) 0%, rgba(90, 168, 214, 0.4) 100%);
    border-color: rgba(90, 168, 214, 0.5);
    color: var(--color-text-inverse);
}

.hm-tab:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-tab:focus:not(:focus-visible) {
    outline: none;
}

.hm-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin: var(--space-2) 0 0;
    line-height: var(--line-height-tight);
}

.hm-asset-category-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: var(--space-3) 0 var(--space-2);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.hm-asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--space-2);
    padding: var(--space-1);
}

.hm-asset-btn {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-subtle);
    padding: 0;
    cursor: pointer;
    background: var(--color-bg-input);
}

.hm-asset-btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-asset-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hm-asset-btn.is-selected {
    border-color: var(--color-text-accent);
    box-shadow: var(--shadow-focus);
}

.hm-field {
    margin-bottom: var(--space-3);
}

.hm-field label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.hm-field input[type="text"],
.hm-field input[type="number"] {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    background: var(--color-bg-input);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

.hm-field input[type="text"]:focus,
.hm-field input[type="number"]:focus {
    border-color: var(--color-text-accent);
    box-shadow: var(--shadow-focus);
}

.hm-field input[type="text"]:focus-visible,
.hm-field input[type="number"]:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-field input[type="text"]:focus:not(:focus-visible),
.hm-field input[type="number"]:focus:not(:focus-visible) {
    outline: none;
}

.hm-field input[type="color"] {
    width: 100%;
    height: var(--control-height-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    background: var(--color-bg-input);
    cursor: pointer;
}

.hm-field input[type="color"]:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-select {
    width: 100%;
    min-height: var(--control-hit-min);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    background: var(--color-bg-input);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
}

.hm-select:focus {
    border-color: var(--color-text-accent);
    box-shadow: var(--shadow-focus);
}

.hm-select:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-select:focus:not(:focus-visible) {
    outline: none;
}

.hm-range-row {
    margin-bottom: var(--space-2);
}

.hm-range-row label {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.hm-range-row input[type="range"] {
    width: 100%;
    accent-color: var(--color-accent);
}

.hm-range-row input[type="range"]:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-readout {
    font-family: ui-monospace, Menlo, monospace;
    font-size: var(--font-size-xs);
    color: var(--color-text-accent);
}

.hm-save-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.hm-btn-save-secondary {
    background: linear-gradient(135deg, #334155 0%, #475569 100%);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-primary);
}

.hm-btn-camera-roll {
    width: 100%;
    min-height: var(--control-hit-min);
    padding: var(--space-3) var(--space-4);
    border: 1px solid rgba(90, 168, 214, 0.45);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    background: rgba(90, 168, 214, 0.12);
    color: rgba(90, 168, 214, 0.95);
    transition: background var(--duration-fast), border-color var(--duration-fast);
}

.hm-btn-camera-roll:hover {
    background: rgba(90, 168, 214, 0.2);
    border-color: rgba(90, 168, 214, 0.7);
}

.hm-btn-camera-roll:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-share-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-bg-surface-1);
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.hm-btn-x {
    width: 100%;
    min-height: var(--control-hit-min);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-default);
    background: rgba(0, 0, 0, 0.45);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
}

.hm-btn-x:hover {
    border-color: var(--color-text-accent);
    color: var(--color-text-accent);
    background: rgba(20, 30, 45, 0.85);
}

.hm-btn-x:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-share-note {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.hm-tag {
    color: var(--color-text-accent);
    font-weight: var(--font-weight-bold);
}

.hm-card-dev {
    border: 1px dashed var(--color-border-subtle);
    background: rgba(15, 23, 42, 0.25);
    padding: var(--space-3);
    opacity: 0.72;
}

.hm-btn-dev-copy {
    width: 100%;
    min-height: 36px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--color-border-default);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
}

.hm-btn-dev-copy:hover {
    border-color: var(--color-border-strong);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-secondary);
}

.hm-btn-dev-copy:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-dev-hint {
    margin: var(--space-3) 0 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: var(--line-height-tight);
}

.hm-btn-inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    align-items: center;
}

.hm-file-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--control-hit-min);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid rgba(90, 168, 214, 0.45);
    background: rgba(30, 87, 153, 0.35);
    color: #e0f2fe;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
}

.hm-file-label:hover {
    border-color: var(--color-text-accent);
    color: var(--color-text-primary);
}

.hm-file-label:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-file-label-wide {
    width: 100%;
    margin-bottom: var(--space-2);
}

.hm-btn-secondary {
    min-height: var(--control-hit-min);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-default);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    font-family: inherit;
    cursor: pointer;
    transition: var(--duration-normal);
}

.hm-btn-secondary:hover {
    border-color: var(--color-danger);
    color: #fecaca;
}

.hm-btn-secondary:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-btn-full {
    width: 100%;
    margin-top: var(--space-2);
}

.hm-layer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 140px;
    overflow-y: auto;
    border: none;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.2);
}

.hm-layer-item {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background var(--duration-fast);
}

.hm-layer-item:last-child {
    border-bottom: none;
}

.hm-layer-item:hover {
    background: rgba(90, 168, 214, 0.12);
}

.hm-layer-item.is-selected {
    background: rgba(30, 87, 153, 0.45);
    color: var(--color-text-inverse);
}

.hm-layer-item:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: -2px;
}

.hm-layer-item-label {
    pointer-events: none;
}

.hm-objects-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: min(360px, 42vh);
    overflow-y: auto;
    padding: var(--space-1);
}

.hm-object-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: none;
    background: rgba(0, 0, 0, 0.22);
    cursor: pointer;
    transition: background var(--duration-fast), box-shadow var(--duration-fast);
}

.hm-object-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.hm-object-row.is-selected {
    background: rgba(30, 87, 153, 0.35);
    box-shadow: inset 0 0 0 1px rgba(90, 168, 214, 0.55);
}

.hm-object-row.is-hidden-layer {
    opacity: 0.55;
}

.hm-object-row.is-hidden-layer .hm-object-name {
    color: var(--color-text-secondary);
}

.hm-object-name {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

.hm-object-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-1);
    width: 100%;
}

.hm-icon-btn {
    flex: 1;
    min-width: 0;
    min-height: var(--control-hit-min);
    padding: 0 var(--space-1);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-family: inherit;
    cursor: pointer;
    line-height: 1;
    transition: var(--duration-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hm-icon-btn svg {
    display: block;
    flex-shrink: 0;
}

.hm-icon-btn:hover {
    border-color: var(--color-text-accent);
    color: var(--color-text-accent);
}

.hm-icon-btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-icon-btn-danger:hover {
    border-color: var(--color-danger);
    color: #fecaca;
}

.hm-card-head-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.hm-card-head-row h3 {
    margin: 0;
}

.hm-help-asterisk {
    flex-shrink: 0;
    min-width: var(--control-hit-min);
    min-height: var(--control-hit-min);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(90, 168, 214, 0.45);
    background: rgba(30, 87, 153, 0.35);
    color: #e0f2fe;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hm-help-asterisk:hover {
    border-color: var(--color-text-accent);
    color: var(--color-text-primary);
}

.hm-help-asterisk:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-text-layer-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.hm-text-layer-btn {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    min-height: var(--control-height-md);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
    background: rgba(0, 0, 0, 0.35);
    color: var(--color-text-primary);
    cursor: pointer;
    max-width: 100%;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
}

.hm-text-layer-btn.is-active {
    border-color: rgba(90, 168, 214, 0.65);
    background: rgba(30, 87, 153, 0.45);
    color: var(--color-text-inverse);
}

.hm-text-layer-btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
}

.hm-modal.is-open {
    display: flex;
}

.hm-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
}

.hm-modal-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    max-height: 85vh;
    overflow: auto;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    box-shadow: var(--shadow-md);
}

.hm-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.hm-modal-head h3 {
    margin: 0;
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
}

.hm-modal-close {
    flex-shrink: 0;
    min-width: var(--control-hit-min);
    min-height: var(--control-hit-min);
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.hm-modal-close:hover {
    background: rgba(248, 113, 113, 0.35);
    color: var(--color-text-inverse);
}

.hm-modal-close:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

.hm-help-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.hm-help-list li {
    margin-bottom: var(--space-2);
}

.hm-help-list strong {
    color: var(--color-text-accent);
}

/* キャラクター動的追加・削除 UI */
.hm-character-layer-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.hm-character-layer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.hm-character-layer-row.is-active {
    border-color: var(--color-border-focus);
    background: rgba(90, 168, 214, 0.12);
}

.hm-character-layer-label {
    flex: 1;
    min-width: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tm-btn-add-character,
.hm-btn-add-character {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    width: 100% !important;
    padding: var(--space-2) !important;
    margin-top: var(--space-3) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px dashed var(--color-border-subtle) !important;
    border-radius: var(--radius-md) !important;
    color: var(--color-text-muted) !important;
    font-weight: bold !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.tm-btn-add-character:hover,
.hm-btn-add-character:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--color-text-muted) !important;
    color: var(--color-text) !important;
}

.tm-btn-delete-character,
.hm-btn-delete-character {
    background: rgba(239, 68, 68, 0.1) !important;
    border: 1px solid rgba(239, 68, 68, 0.2) !important;
    color: #ef4444 !important;
    border-radius: var(--radius-sm) !important;
    padding: var(--space-1) var(--space-2) !important;
    cursor: pointer !important;
    font-size: var(--font-size-xs) !important;
}

.tm-btn-delete-character:hover,
.hm-btn-delete-character:hover {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: #ef4444 !important;
}

.tm-btn-delete-character:disabled,
.hm-btn-delete-character:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

@media (min-width: 1025px) {
    .hm-controls-column {
        max-height: calc(100vh - var(--hm-sticky-rail-top, 88px) - var(--space-6));
        min-height: 0;
    }

    .hm-controls-scroll {
        overflow-y: auto;
        overflow-x: hidden;
    }

    .hm-toolbar {
        position: sticky;
        top: 0;
        z-index: 10;
        background: var(--color-bg-surface-1);
    }
}

/* キャンバス上のホバー時カーソル補助 */
.hm-transform-active,
#hm-canvas.hm-transform-active {
    cursor: move !important;
}

#hm-canvas.hm-dragging {
    cursor: grabbing !important;
}

#hm-canvas.hm-resizing {
    cursor: nwse-resize !important;
}

canvas#hm-canvas,
canvas#hm-main-canvas {
    user-select: none !important;
    -webkit-user-select: none !important;
}

/* ================================================
   "全ての画像から選ぶ" button (inline preview section)
   ================================================ */
.hm-btn-show-all {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: var(--space-1);
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    text-align: center;
    transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);
}
.hm-btn-show-all:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: var(--color-text-accent);
    color: var(--color-text-primary);
}

/* ================================================
   Asset picker modal (bg / char / pins 共用)
   ================================================ */
.hm-asset-modal[hidden] { display: none !important; }

.hm-asset-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    overflow-y: auto;
}

.hm-asset-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    cursor: pointer;
}

.hm-asset-modal-dialog {
    position: relative;
    z-index: 1;
    width: min(680px, 100%);
    max-height: min(90vh, 760px);
    display: flex;
    flex-direction: column;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.hm-asset-modal-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-subtle);
    flex-shrink: 0;
}

.hm-asset-modal-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
}

.hm-asset-modal-close {
    min-width: var(--control-hit-min);
    min-height: var(--control-hit-min);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 1.1rem;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.hm-asset-modal-close:hover { background: rgba(255, 255, 255, 0.16); }
.hm-asset-modal-close:focus-visible { outline: 2px solid var(--color-border-focus); outline-offset: 2px; }

.hm-asset-modal-search {
    flex-shrink: 0;
    margin: var(--space-3) var(--space-4);
    width: calc(100% - 2 * var(--space-4));
    padding: 8px 12px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    box-sizing: border-box;
}
.hm-asset-modal-search:focus { outline: 2px solid var(--color-border-focus); border-color: transparent; }

.hm-asset-modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: var(--space-2);
    padding: 0 var(--space-4) var(--space-4);
    overflow-y: scroll;
    flex: 1;
    min-height: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.hm-asset-modal-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    font-family: inherit;
    transition: border-color var(--duration-fast), background var(--duration-fast);
}
.hm-asset-modal-cell:hover { border-color: var(--color-text-accent); background: rgba(255, 255, 255, 0.09); }
.hm-asset-modal-cell:focus-visible { outline: 2px solid var(--color-border-focus); outline-offset: 2px; }
.hm-asset-modal-cell.is-selected { border-color: var(--color-text-accent); box-shadow: var(--shadow-focus); }

.hm-asset-modal-cell img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.hm-asset-modal-caption {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-align: center;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}