:root {

  --neon-pink:        #ff1f8f;
  --neon-pink-hover:  #e01479;
  --neon-pink-glow:   0 0 12px rgba(255, 31, 143, 0.5), 0 0 20px rgba(255, 31, 143, 0.2);
  --neon-pink-border: rgba(255, 31, 143, 0.45);

  --neon-cyan:        #00f0ff;
  --neon-cyan-glow:   0 0 10px rgba(0, 240, 255, 0.5);

  --bg-void:          #000000;
  --bg-dark:          #050505;
  --bg0:              #000000;
  --bg1:              #050505;
  --bg2:              #0b080e;
  --bg3:              #160e19;
  --border:           #2a1627;

  --accent:           var(--neon-pink);
  --accent2:          var(--neon-pink-hover);

  --text-white:       #ffffff;
  --text0:            #fff0f7;
  --text1:            #c9a4bf;
  --text2:            #7d6577;

  --danger:           #ff2e63;
  --success:          #00f0ff;
  --panel-w:          300px;
  --header-h:         48px;
  --panel-bg:         rgba(5, 5, 5, 0.85);
  --panel-tabs-bg:    rgba(11, 8, 14, 0.85);
  --font-heading:     'Chakra Petch', 'Inter', sans-serif;
  --ease-cyber:       cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* 表示切替の共通クラス(js/ui-utils.js の setVisible が付け外しする) */
.is-hidden { display: none !important; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: 13px;
  background: var(--bg0);
  color: var(--text0);
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#header {
  height: var(--header-h);
  min-height: var(--header-h);
  max-height: var(--header-h);
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  z-index: 100;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
  box-sizing: border-box;
}

#header h1 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px rgba(255, 31, 143, 0.4);
  flex-shrink: 0;
}

/* ブランドロゴ + タイトル */
.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-link .brand-mark {
  height: 28px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(255, 31, 143, 0.5));
  transition: transform 0.25s var(--ease-cyber);
}

.brand-link:hover .brand-mark {
  transform: scale(1.06);
}

.editor-brand-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px rgba(255, 31, 143, 0.4);
  white-space: nowrap;
}

#header .spacer { flex: 1; min-width: 8px; }

#status {
  font-size: 11px;
  color: var(--neon-cyan);
  max-width: 400px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.03em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
#status.status-error { color: var(--danger); text-shadow: 0 0 8px rgba(255, 46, 99, 0.5); }
#status.status-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10000;
  max-width: 85vw;
  white-space: normal;
  text-overflow: clip;
  overflow: visible;
  background: rgba(18, 18, 24, 0.92);
  color: #ffffff;
  padding: 14px 22px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.65);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  letter-spacing: 0.02em;
  pointer-events: none;
}

label.btn-load {
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.03em;
  transition: background 0.15s, box-shadow 0.15s;
  box-shadow: var(--neon-pink-glow);
  white-space: nowrap;
}
label.btn-load:hover {
  background: var(--accent2);
  box-shadow: 0 0 16px rgba(255, 31, 143, 0.7);
}
label.btn-load input { display: none; }

#main {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

#viewport {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--bg0);
  overflow: hidden;
  z-index: 1;
  transition: outline .15s;
}
#viewport canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}
#viewport.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}
#drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
  transition: opacity .3s;
  z-index: 5;
}
#drop-hint .icon { font-size: 48px; opacity: .3; }
#drop-hint p { color: var(--text2); font-size: 13px; font-weight: 500; text-align: center; }
.drop-hint-mobile { display: none; }
.drop-hint-pc { display: block; }
#viewport.has-model #drop-hint { opacity: 0; }
#viewport.drag-over #drop-hint { opacity: 1 !important; }
#viewport.drag-over #drop-hint .icon { opacity: .8; }
#viewport.drag-over #drop-hint p { color: var(--text0); }

.side-panel-toggle {
  position: absolute;
  top: 50%;
  right: var(--panel-w);
  transform: translateY(-50%);
  width: 20px;
  height: 64px;
  padding: 0;
  margin: 0;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 8px 0 0 8px;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 25;
  transition: right 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              width 0.2s ease,
              height 0.2s ease,
              padding 0.2s ease,
              background 0.2s,
              color 0.2s,
              border-color 0.2s,
              box-shadow 0.2s;
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.6);
}

.side-panel-toggle:hover {
  background: var(--bg2);
  color: var(--accent2);
  border-color: var(--accent);
  box-shadow: -4px 0 16px rgba(255, 31, 143, 0.6);
}

.side-panel-toggle .toggle-icon {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  user-select: none;
  transition: transform 0.2s, filter 0.2s;
  filter: drop-shadow(0 0 4px rgba(255, 31, 143, 0.5));
}

.side-panel-toggle .toggle-text {
  display: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  user-select: none;
  text-shadow: 0 0 8px rgba(255, 31, 143, 0.5);
}

.side-panel-toggle.collapsed {
  right: 0;
  width: auto;
  height: 48px;
  padding: 0 10px 0 8px;
  gap: 5px;
  border-color: rgba(255, 31, 143, 0.45);
  box-shadow: -3px 0 14px rgba(255, 31, 143, 0.4);
}

.side-panel-toggle.collapsed .toggle-text {
  display: inline-block;
}

#side-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  width: var(--panel-w);
  max-width: 100%;
  background: var(--panel-bg);
  border-left: 1px solid var(--border);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(0);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s ease;
  pointer-events: auto;
}

#side-panel.collapsed {
  transform: translateX(100%);
  pointer-events: none;
  box-shadow: none;
}

#side-panel > * {
  min-width: var(--panel-w);
  box-sizing: border-box;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--panel-tabs-bg);
  flex-shrink: 0;
}
.tab-btn {
  flex: 1;
  padding: 9px 4px;
  background: none;
  border: none;
  color: var(--text1);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--text0); background: var(--bg3); }
.tab-btn.active {
  color: var(--text-white);
  border-bottom-color: var(--accent);
  text-shadow: 0 0 8px rgba(255, 31, 143, 0.6);
  background: rgba(255, 31, 143, 0.08);
}

.tab-content {
  display: none;
  flex: 1 1 0%;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 10px;
}
.tab-content.active {
  display: flex;
  flex-direction: column;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text2); }

#mesh-list { display: flex; flex-direction: column; gap: 4px; }

.mesh-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 5px;
  cursor: pointer;
  color: var(--text0);
  transition: background 0.1s;
}
.mesh-row:hover { background: var(--bg3); }
.mesh-row.selected {
  background: rgba(255, 31, 143, 0.12);
  outline: 1px solid var(--accent);
  box-shadow: 0 0 8px rgba(255, 31, 143, 0.35);
}
.mesh-row input[type=checkbox] { accent-color: var(--accent); }
.mesh-row .mesh-name { flex: 1; user-select: none; }
.mesh-row .mesh-bs-badge {
  font-size: 9px; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 3px; padding: 0 3px; flex-shrink: 0; user-select: none;
}

.mesh-morph-row { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; }
.mesh-morph-row .mesh-morph-name {
  font-size: 10px; color: var(--text2); flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mesh-morph-row .mesh-morph-slider { width: 90px; flex-shrink: 0; }
.mesh-morph-row .mesh-morph-val {
  font-size: 10px; color: var(--text); width: 32px; text-align: right; flex-shrink: 0;
}
.mesh-morph-row .mesh-morph-reset { font-size: 10px; padding: 1px 4px; cursor: pointer; flex-shrink: 0; }

#mat-select {
  width: 100%;
  margin-bottom: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text0);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#mat-select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 6px rgba(255, 31, 143, 0.35);
}

.texture-slot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.texture-slot:last-child { border-bottom: none; }

.slot-label {
  width: 90px;
  font-size: 11px;
  color: var(--text1);
  flex-shrink: 0;
}

.tex-thumb {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 10px;
  flex-shrink: 0;
}
.tex-thumb img { width: 100%; height: 100%; object-fit: cover; }
.tex-thumb.empty { font-size: 16px; }

.btn-small {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text0);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.btn-small:hover {
  background: rgba(255, 31, 143, 0.15);
  border-color: var(--accent);
  color: var(--text-white);
  box-shadow: 0 0 8px rgba(255, 31, 143, 0.3);
}

.param-section { margin-top: 12px; }
.section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.param-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.param-row label {
  width: 100px;
  font-size: 11px;
  color: var(--text1);
  flex-shrink: 0;
}
.param-row input[type=range] { flex: 1; accent-color: var(--accent); }
.param-row input[type=color] {
  width: 32px;
  height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  background: none;
}
.param-row span {
  width: 34px;
  text-align: right;
  font-size: 10px;
  color: var(--text1);
}

#expr-list { display: flex; flex-direction: column; gap: 3px; }

/* base-expression-editor.js が生成する要素(旧インライン style と同値。ID スコープで優先度を維持) */
#expr-list .expr-empty { font-size: 11px; color: var(--text2); padding: 10px; }
#expr-list .expr-accordion { margin-bottom: 4px; border-radius: 5px; overflow: hidden; border: 1px solid var(--border); }
#expr-list .expr-acc-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 9px; cursor: pointer; background: var(--bg2);
  font-size: 11px; font-weight: 600; user-select: none;
}
#expr-list .expr-acc-header:hover { background: var(--bg2); }
#expr-list .expr-acc-header.is-open,
#expr-list .expr-acc-header.is-open:hover { background: var(--bg3); }
#expr-list .expr-acc-left { display: flex; align-items: center; gap: 6px; }
#expr-list .expr-acc-title { color: var(--text0); }
#expr-list .expr-badge { font-size: 10px; color: var(--text2); font-weight: 400; }
#expr-list .expr-acc-toggle { font-size: 10px; color: var(--text2); }
#expr-list .expr-acc-body { padding: 6px 8px; background: var(--bg1); max-height: 270px; overflow-y: auto; overscroll-behavior: contain; }
#expr-list .morph-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; padding: 2px 0; }
#expr-list .morph-label { font-size: 10px; color: var(--text1); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#expr-list .expr-bind-slider { width: 90px; flex-shrink: 0; cursor: pointer; accent-color: var(--accent); }
#expr-list .morph-val { font-size: 10px; color: var(--text0); width: 32px; text-align: right; flex-shrink: 0; }
#expr-list .expr-bind-reset { font-size: 10px; padding: 1px 4px; cursor: pointer; flex-shrink: 0; }

.expr-accordion {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg1);
}

.expr-acc-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  background: var(--bg2);
  cursor: pointer;
  user-select: none;
  transition: background 0.1s, border-color 0.1s;
}
.expr-acc-header:hover { background: var(--bg3); }

.expr-acc-arrow {
  font-size: 9px;
  color: var(--text2);
  width: 12px;
  flex-shrink: 0;
}

.expr-acc-header span:nth-child(2) {
  flex: 1;
  font-size: 12px;
  font-weight: 600;
  color: var(--text0);
  text-transform: capitalize;
}

.expr-badge {
  font-size: 10px;
  background: rgba(255, 31, 143, 0.1);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255, 31, 143, 0.3);
}

.expr-acc-body {
  padding: 4px 6px;
  background: var(--bg1);
  max-height: 280px;
  overflow-y: auto;
}

.morph-row {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 2px;
  border-radius: 3px;
  opacity: 0.55;
}
.morph-row.morph-bound { opacity: 1.0; }
.morph-row:hover { background: var(--bg3); opacity: 1.0; }

.morph-row input[type=checkbox] {
  accent-color: var(--accent);
  flex-shrink: 0;
}
.morph-label {
  width: 110px;
  font-size: 10px;
  color: var(--text1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}
.morph-row.morph-bound .morph-label { color: var(--text0); }
.morph-row input[type=range] {
  flex: 1;
  accent-color: var(--accent);
  min-width: 0;
}
.morph-val {
  width: 28px;
  text-align: right;
  font-size: 10px;
  color: var(--text1);
  flex-shrink: 0;
}

#override-list { display: flex; flex-direction: column; gap: 12px; }

.override-section {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  background: var(--bg2);
}
.override-title {
  font-weight: 700;
  font-size: 12px;
  color: var(--text-white);
  margin-bottom: 6px;
  text-transform: capitalize;
}
.override-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
}
.override-row label {
  width: 60px;
  font-size: 11px;
  color: var(--text1);
}
.override-row select {
  flex: 1;
  background: var(--bg1);
  border: 1px solid var(--border);
  color: var(--text0);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 11px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.override-row select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 6px rgba(255, 31, 143, 0.35);
}

#export-area {
  padding: 10px;
  padding-bottom: max(10px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--panel-bg);
  flex-shrink: 0;
}
#btn-export {
  width: 100%;
  padding: 9px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s;
  box-shadow: var(--neon-pink-glow);
}
#btn-export:hover:not(:disabled) {
  background: var(--accent2);
  box-shadow: 0 0 16px rgba(255, 31, 143, 0.7);
}
#btn-export:disabled {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  box-shadow: none;
  cursor: default;
}

.btn-export-header {
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  padding: 6px 14px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.03em;
  transition: background 0.15s, box-shadow 0.15s;
  box-shadow: var(--neon-pink-glow);
  white-space: nowrap;
}
.btn-export-header:hover:not(:disabled) {
  background: var(--accent2);
  box-shadow: 0 0 16px rgba(255, 31, 143, 0.7);
}
.btn-export-header:disabled {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  box-shadow: none;
  cursor: default;
}

.no-data {
  color: var(--text2);
  font-size: 12px;
  padding: 8px 0;
}

.slot-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.1s, border-color 0.1s;
}
.slot-row:hover { background: var(--bg3); }
.slot-row .slot-acc-label { font-size:10px; color:var(--text2); flex-shrink:0; width:44px; }
.slot-row .slot-name { flex:1; font-size:11px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.slot-row .slot-remove,
.slot-row .slot-remove:hover { color: var(--danger); }
.slot-row.active {
  background: rgba(255, 31, 143, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 6px rgba(255, 31, 143, 0.25);
}
.slot-row.drag-over {
  border-color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: var(--neon-cyan-glow);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text2);
  flex-shrink: 0;
  transition: background 0.2s, box-shadow 0.2s;
}
.status-dot.loaded {
  background: var(--neon-cyan);
  box-shadow: var(--neon-cyan-glow);
}

.btn-small.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: var(--neon-pink-glow);
}
.btn-small:disabled {
  opacity: 0.35;
  cursor: default;
}
.btn-small:disabled:hover { background: var(--bg2); border-color: var(--border); box-shadow: none; }

/* ---- mtoon-ui.js (P5: インラインスタイルから移動。値は元と同一) ---- */
.mtu-empty { font-size:11px; color:var(--text2); padding:8px 0; }
.mtu-actions { display:flex; gap:4px; margin-left:auto; }
.mtu-flex-row { display:flex; align-items:center; gap:6px; }
.mtu-row { display:flex; align-items:center; gap:6px; margin-top:4px; }
.mtu-color-label { font-size:10px; color:var(--text2); min-width:34px; }
.mtu-color-input { width:28px; height:22px; padding:1px; border:1px solid var(--border); border-radius:3px; background:transparent; cursor:pointer; }
.mtu-label65 { font-size:10px; color:var(--text2); width:65px; flex-shrink:0; }
.mtu-slider { flex:1; cursor:pointer; accent-color:var(--accent); }
.mtu-slider-val { font-size:10px; color:var(--text1); width:30px; text-align:right; flex-shrink:0; }
.mtu-numlbl-wrap { display:flex; flex-direction:column; width:75px; flex-shrink:0; }
.mtu-numlbl { font-size:10px; color:var(--text2); }
.mtu-numdef { font-size:9px; color:var(--text2); opacity:0.65; font-family:monospace; }
.mtu-numinput { flex:1; background:var(--bg3); color:var(--text1); border:1px solid var(--border); border-radius:3px; padding:2px 6px; font-size:11px; font-family:monospace; }
.mtu-group { margin-bottom:12px; padding-bottom:8px; border-bottom:1px solid var(--border,#222); }
.section-title.mtu-group-title { font-size:11px; font-weight:600; color:var(--text0); margin-bottom:6px; }
.mtu-panel { padding:4px 8px; background:var(--bg2); border-radius:4px; }
.mtu-select { flex:1; font-size:10px; background:var(--bg3); color:var(--text1); border:1px solid var(--border); border-radius:3px; padding:2px 4px; cursor:pointer; }
.mtu-color-row { display:flex; align-items:center; gap:16px; margin:6px 0 8px 6px; padding:4px 8px; background:var(--bg2); border-radius:4px; }
.mtu-box { margin:6px 0 4px 6px; padding:4px 8px; background:var(--bg2); border-radius:4px; }
.mtu-em-row { display:flex; align-items:center; gap:6px; margin:6px 0 4px 6px; padding:4px 8px; background:var(--bg2); border-radius:4px; }
.mtu-em-label { font-size:11px; color:var(--text1); flex-shrink:0; }
.mtu-em-color { width:26px; height:22px; padding:1px; cursor:pointer; border:1px solid var(--border); border-radius:3px; background:transparent; flex-shrink:0; }
.mtu-ef-label { font-size:10px; color:var(--text2); margin-left:4px; white-space:nowrap; flex-shrink:0; }
.mtu-ef-slider { flex:1; min-width:0; cursor:pointer; accent-color:var(--accent); }
.mtu-ef-val { font-size:10px; color:var(--text1); min-width:28px; text-align:right; font-family:ui-monospace,monospace; }
.mtu-rim-color-row { margin-top:4px; display:flex; align-items:center; gap:6px; }
.mtu-uv-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.mtu-uv-title { font-size:10px; color:var(--text2); font-weight:600; }
.btn-small.mtu-reset-default { font-size:9px; padding:1px 6px; line-height:1.2; cursor:pointer; }

/* ---- VRM_editor.html (P5: インラインスタイルから移動。値は元と同一) ---- */
.drop-hint-mobile .hint-accent { color:var(--accent); font-weight:700; }
#mesh-morph-panel { margin-top:10px; padding:8px; background:var(--bg2); border-radius:6px; border:1px solid var(--border); }
.mesh-morph-heading { font-size:11px; font-weight:600; color:var(--text1); margin-bottom:6px; }
#mesh-morph-title { color:var(--accent); }
#mesh-morph-body { max-height:240px; overflow-y:auto; }
.hint-text { font-size:11px; color:var(--text1); margin-bottom:10px; }
/* ---- アクセサリー 2段目サブタブ & サブパネル ---- */
#tab-accessory.acc-tab-container {
  padding: 0 !important;
  overflow: hidden !important;
  display: none;
  flex-direction: column;
}
#tab-accessory.acc-tab-container.active {
  display: flex;
}

/* 2段目サブタブバー: PCでは大元タブの直下に固定常駐 */
.acc-subtabs {
  display: flex;
  gap: 4px;
  background: var(--panel-bg);
  border-top: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 6px 10px;
  margin: 0;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  z-index: 5;
}

.acc-content-scroll {
  flex: 1 1 0%;
  min-height: 0;
  overflow-y: auto;
  padding: 12px 14px;
  -webkit-overflow-scrolling: touch;
}

.acc-subtab-btn {
  flex: 1;
  padding: 7px 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text2);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: all 0.15s ease;
  user-select: none;
}

.acc-subtab-btn:hover {
  color: var(--text0);
  background: rgba(255, 255, 255, 0.08);
}

.acc-subtab-btn.active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255, 31, 143, 0.45);
}

.acc-subpanel {
  display: none;
  flex-direction: column;
}

.acc-subpanel.active {
  display: flex;
}

#acc-slot-list { display:flex; flex-direction:column; gap:4px; margin-bottom:8px; }
#btn-acc-add-slot { width:100%; margin-bottom:12px; }
#acc-bone-select { width:100%; margin-bottom:4px; background:var(--bg3); border:1px solid var(--border); color:var(--text0); padding:5px 8px; border-radius:5px; font-size:12px; }
#acc-selected-bone-name { font-size:11px; color:var(--text2); margin-bottom:12px; }
#blendshape-panel { margin-bottom:12px; }
.acc-gizmo-row { display:flex; gap:4px; margin-bottom:12px; }
.section-title.mt-8 { margin-top:8px; }
#btn-acc-reset-transform { width:100%; margin-top:8px; }
#acc-material-panel { margin-top:14px; border-top:1px solid var(--border); padding-top:10px; }
#acc-mat-select { width:100%; margin-bottom:8px; background:var(--bg2); border:1px solid var(--border); color:var(--text0); padding:5px 8px; border-radius:4px; font-size:12px; }
#err-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.85); color:#ff6b6b; font-family:monospace; font-size:12px; padding:20px; z-index:9999; white-space:pre-wrap; overflow:auto; }

#blendshape-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bs-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px;
  border-radius: 4px;
}
.bs-row:hover { background: var(--bg3); }

.bs-name {
  width: 92px;
  font-size: 10px;
  color: var(--text1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 0;
}

.bs-row input[type=range] {
  flex: 1;
  accent-color: var(--accent);
  min-width: 0;
}

.bs-row .num-out {
  width: 30px;
  text-align: right;
  font-size: 10px;
  color: var(--text1);
  flex-shrink: 0;
}

/* ---- シーンビュー左上: エクスポート案内バナー ---- */
#export-trial-banner {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  color: var(--text1);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  pointer-events: none;
  user-select: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9), 0 0 8px rgba(0, 0, 0, 0.7);
}
#banner-trial-pw {
  font-family: monospace;
  font-weight: 700;
  letter-spacing: 0.05em;
}

#gizmo-toolbar {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 10;
  display: flex;
  gap: 5px;
  background: rgba(0, 0, 0, 0.75);
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.gizmo-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text1);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.gizmo-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--text-white);
  box-shadow: 0 0 8px rgba(255, 31, 143, 0.35);
}
.gizmo-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: var(--neon-pink-glow);
}
.gizmo-btn:disabled {
  opacity: 0.35;
  cursor: default;
  border-color: var(--border);
}

@media (max-width: 768px) {

  #export-area {
    display: none !important;
  }

  /* サイドパネルを画面下部のボトムシート（画面半分+α: 55vh）に変更 */
  #side-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    height: 55vh;
    height: 55dvh;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.7);
    transform: none;
    transition: height 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s ease;
    z-index: 20;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: auto;
  }

  /* 格納時: 最下部5タブ（48px+セーフエリア）だけを残してコンテンツを収納 */
  #side-panel.collapsed {
    height: calc(48px + env(safe-area-inset-bottom, 0px));
    transform: none;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    pointer-events: auto; /* 最下部タブバーは常時タップ可能 */
  }

  /* 格納時はコンテンツ領域を完全に非表示にし、タブバーだけを最下部に吸着 */
  #side-panel.collapsed .tab-content {
    display: none !important;
  }

  /* スマホ時のみ子要素の最小幅制限を解除 */
  #side-panel > * {
    min-width: 0;
  }

  /* 5タブバー: 画面最下部に常駐固定 */
  .tabs {
    order: 10;
    flex-shrink: 0;
    height: calc(48px + env(safe-area-inset-bottom, 0px));
    border-bottom: none;
    border-top: 1px solid var(--border);
    background: var(--panel-bg);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    z-index: 2;
    display: flex;
  }

  .tab-btn {
    flex: 1;
    padding: 10px 4px calc(10px + env(safe-area-inset-bottom, 0px)) 4px;
    font-size: 11px;
    border-bottom: none;
    border-top: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
  }

  .tab-btn.active {
    border-bottom: none;
    border-top-color: var(--accent);
    background: rgba(255, 31, 143, 0.08);
  }

  /* メニュー本文: ボトムシート内でスクロール可能 */
  .tab-content {
    order: 1;
    flex: 1 1 0%;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 12px 14px;
    box-sizing: border-box;
  }

  /* アクセサリータブ内: スマホは大元タブが最下部にあるため、サブタブを最下部（大元タブの直上）に吸着固定 */
  #tab-accessory.acc-tab-container {
    padding: 0 !important;
  }
  .acc-content-scroll {
    order: 1;
  }
  .acc-subtabs {
    order: 2;
    border-top: 1px solid var(--border);
    border-bottom: none;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.4);
  }

  /* トグルボタン: ボトムシートの収納/展開ハンドルボタン */
  .side-panel-toggle {
    top: auto;
    bottom: calc(55vh + 0px);
    bottom: calc(55dvh + 0px);
    right: 14px;
    width: 38px;
    height: 24px;
    padding: 0;
    margin: 0;
    border-radius: 6px 6px 0 0;
    border: 1px solid var(--border);
    border-bottom: none;
    transform: none;
    box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.5);
    transition: bottom 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.2s,
                color 0.2s,
                border-color 0.2s,
                box-shadow 0.2s;
  }

  .side-panel-toggle.collapsed {
    top: auto;
    bottom: calc(48px + env(safe-area-inset-bottom, 0px));
    right: 14px;
    width: 38px;
    height: 24px;
    padding: 0;
  }

  .side-panel-toggle .toggle-text {
    display: none !important;
  }

  .drop-hint-pc { display: none !important; }
  .drop-hint-mobile {
    display: block !important;
    line-height: 1.6;
    padding: 0 16px;
    font-size: 12px;
  }
}

@media (max-width: 600px) {
  #header {
    padding: 0 8px;
    gap: 6px;
  }
  .brand-link {
    gap: 6px;
  }
  .brand-link .brand-mark {
    height: 24px;
    width: 24px;
  }
  #header h1,
  .editor-brand-title {
    font-size: 12px;
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  #status:not(.status-toast) {
    display: none;
  }
  .btn-export-header,
  label.btn-load {
    padding: 5px 8px;
    font-size: 10px;
  }
}

/* ---- シーン設定トリガーボタン & モーダル (PC & スマホ両対応) ---- */
.viewport-overlay-btn {
  position: absolute;
  bottom: 58px;
  left: 16px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid var(--border);
  color: var(--text1);
  padding: 6px 14px;
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  letter-spacing: 0.03em;
  box-sizing: border-box;
  outline: none;
}
.viewport-overlay-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}
.viewport-overlay-btn:focus,
.viewport-overlay-btn:active {
  outline: none;
  border-color: var(--border);
}

.scene-modal-overlay {
  position: fixed;
  inset: 0;
  background: transparent; /* ぼかし・暗転を完全撤去してモデルをクリアに見せる */
  backdrop-filter: none;
  z-index: 1000;
  display: flex;
  align-items: flex-end; /* 画面下部に配置 */
  justify-content: flex-start; /* 左下のScene Settingsボタンに合わせて左寄せ配置 */
  padding: 16px;
  padding-bottom: 56px; /* 左下のScene Settingsボタンの直上にフロート配置 */
  box-sizing: border-box;
  pointer-events: none; /* パネル外側の3Dシーンへのクリック・ドラッグ操作を一切邪魔しない */
}

.scene-modal-content {
  background: rgba(0, 0, 0, 0.85); /* ギズモバーや左下ボタンと同一の黒透過 */
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 75vh;
  animation: sceneModalSlideUp 0.18s ease-out;
  pointer-events: auto; /* パネル内の操作（タブ・スライダー・ピッカー等）は正常に受け付ける */
}

@keyframes sceneModalSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.scene-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.4);
}

.scene-modal-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.04em;
}

.scene-modal-close-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.35);
  font-size: 26px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  user-select: none;
}
.scene-modal-close-btn:hover {
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
}

.scene-modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
}

.scene-modal-tab-btn {
  flex: 1;
  padding: 9px 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.scene-modal-tab-btn:hover {
  color: var(--text0);
  background: rgba(255, 255, 255, 0.05);
}
.scene-modal-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(255, 31, 143, 0.08); /* サイドパネルのタブ(.tab-btn.active)と同一 */
}

.scene-modal-body {
  padding: 14px;
  background: transparent;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 285px;
}

.scene-control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scene-control-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text1);
}

.scene-color-picker-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.scene-color-picker-row input[type="color"] {
  width: 44px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  padding: 2px;
}

.preset-colors {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.preset-color-btn {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
}
.preset-color-btn:hover {
  transform: scale(1.1);
  border-color: var(--accent);
  box-shadow: 0 0 6px rgba(255, 31, 143, 0.5);
}

.scene-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.scene-slider-header label {
  font-size: 11px;
  color: var(--text1);
  font-weight: 500;
}
.scene-val-display {
  font-size: 11px;
  font-family: ui-monospace, monospace;
  color: var(--text0);
}

.scene-control-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.scene-checkbox-group {
  margin-top: 4px;
}
.scene-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text0);
  cursor: pointer;
}
.scene-checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.scene-hint-text {
  font-size: 11px;
  color: var(--text2);
  line-height: 1.45;
  margin: 0;
}

.scene-control-footer {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.scene-btn-secondary {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text1);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.scene-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-white);
  border-color: var(--accent);
}

.scene-btn-primary {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.scene-btn-primary:hover {
  filter: brightness(1.1);
}

.scene-modal-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border);
}

.scene-settings-msg {
  font-size: 11px;
  color: var(--text2);
  margin-left: auto;
}

/* スマホ表示 (768px以下): 画面中央ポップアップダイアログ */
@media (max-width: 768px) {
  .scene-modal-overlay {
    align-items: center;
    justify-content: center;
    padding: 16px;
  }
  .scene-modal-content {
    max-width: 360px;
    width: 100%;
    border-radius: 12px;
    max-height: 80vh;
    max-height: 80dvh;
    animation: sceneModalCenterFade 0.2s cubic-bezier(0.2, 0.9, 0.3, 1);
    padding-bottom: 0;
  }
  @keyframes sceneModalCenterFade {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
  }

  /* スマホ時: シーン設定ボタンをビューポート右上に配置 */
  .viewport-overlay-btn {
    top: 12px;
    right: 12px;
    bottom: auto;
    left: auto;
    z-index: 15;
  }

  /* スマホ時: ギズモツールバーを左下に配置 */
  #gizmo-toolbar {
    bottom: 12px;
    left: 12px;
  }

  /* スマホ時: エクスポート案内バナー */
  #export-trial-banner {
    top: 10px;
    left: 10px;
    font-size: 10px;
    line-height: 1.5;
    max-width: calc(100% - 130px);
  }
}

/* ==========================================================================
   エクスポート認証ダイアログ
   ========================================================================== */
.export-gate-dialog {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg0, #141419);
  color: var(--text0, #ffffff);
  padding: 0;
  max-width: 440px;
  width: calc(100% - 32px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 31, 143, 0.2);
}
.export-gate-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
}
.export-gate-form {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.export-gate-form h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text0, #fff);
  border-bottom: 1px solid var(--border, #2a2a35);
  padding-bottom: 8px;
}
.export-gate-lead {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text1, #cfcfe0);
}
.export-gate-lead strong {
  color: var(--accent, #ff1f8f);
  font-family: monospace;
  font-size: 15px;
  letter-spacing: 0.1em;
}
#export-gate-fill {
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 11px;
  background: var(--bg2, #262635);
  border: 1px solid var(--border, #3a3a4a);
  color: var(--text0, #fff);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
#export-gate-fill:hover {
  background: var(--accent, #ff1f8f);
  border-color: var(--accent, #ff1f8f);
}
#export-gate-input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 10px;
  background: var(--bg1, #1a1a24);
  border: 1px solid var(--border, #2a2a35);
  color: var(--text0, #fff);
  border-radius: 4px;
  font-size: 14px;
  letter-spacing: 0.05em;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#export-gate-input:focus {
  border-color: var(--accent, #ff1f8f);
  outline: none;
  box-shadow: 0 0 8px rgba(255, 31, 143, 0.4);
}
.export-gate-message {
  margin: 0;
  font-size: 12px;
  color: #ff5252;
  min-height: 16px;
  line-height: 1.4;
}
.export-gate-note,
.export-gate-privacy {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text2, #8e8ea0);
}
.export-gate-note a {
  color: var(--accent, #ff1f8f);
  text-decoration: underline;
}
.export-gate-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}
.export-gate-actions button {
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, opacity 0.15s;
}
#export-gate-submit {
  background: var(--accent, #ff1f8f);
  color: #fff;
  border-color: var(--accent, #ff1f8f);
  box-shadow: var(--neon-pink-glow);
}
#export-gate-submit:hover:not(:disabled) {
  background: var(--accent2, #ff4fa3);
}
#export-gate-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.export-gate-actions button[value="cancel"] {
  background: var(--bg2, #262635);
  color: var(--text1, #cfcfe0);
  border-color: var(--border, #3a3a4a);
}
.export-gate-actions button[value="cancel"]:hover {
  background: var(--bg1, #1a1a24);
  color: var(--text0, #fff);
}

/* ==========================================================================
   ナビゲーションバー & モバイルドロワー
   ========================================================================== */

/* デスクトップナビゲーション */
.nav-desktop-menu {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text1);
  text-decoration: none;
  padding: 5px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 31, 143, 0.12);
  box-shadow: 0 0 10px rgba(255, 31, 143, 0.2);
}

/* SUPPORT ボタン (絵文字なし) */
.nav-ofuse-btn {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 31, 143, 0.22), rgba(255, 31, 143, 0.38));
  border: 1px solid var(--neon-pink);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 0 10px rgba(255, 31, 143, 0.4);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.nav-ofuse-btn:hover {
  background: var(--neon-pink);
  color: #000000;
  box-shadow: 0 0 16px rgba(255, 31, 143, 0.85);
}

.nav-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 2px;
}

.nav-socials {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text0);
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-social-btn:hover {
  color: #fff;
  border-color: var(--neon-pink);
  background: rgba(255, 31, 143, 0.18);
  box-shadow: 0 0 8px var(--neon-pink-glow);
}

/* モバイル用ハンバーガーボタン */
.nav-toggle-btn {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  padding: 0;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.nav-toggle-btn .hamburger-line {
  width: 16px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* モバイル用ドロワーメニュー */
.nav-mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 999;
  max-height: 0;
  overflow: hidden;
  background: rgba(5, 5, 5, 0.98);
  border-bottom: 1px solid rgba(255, 31, 143, 0.35);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.85);
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 16px;
}

.nav-mobile-drawer.active {
  max-height: 520px;
  padding: 16px;
}

.mobile-ofuse-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  margin-bottom: 10px;
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(255, 31, 143, 0.25), rgba(255, 31, 143, 0.45));
  border: 1px solid var(--neon-pink);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
  box-shadow: 0 0 14px rgba(255, 31, 143, 0.4);
  transition: all 0.2s ease;
}

.mobile-ofuse-banner:hover,
.mobile-ofuse-banner:active {
  background: var(--neon-pink);
  color: #000000;
  box-shadow: 0 0 20px rgba(255, 31, 143, 0.85);
}

.mobile-nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.mobile-nav-link .link-tag {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--neon-pink);
  background: rgba(255, 31, 143, 0.1);
  border: 1px solid rgba(255, 31, 143, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  background: rgba(255, 31, 143, 0.15);
  border-color: var(--neon-pink);
}

.mobile-nav-socials {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 0;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text1);
  text-decoration: none;
  font-size: 0.78rem;
  font-family: var(--font-heading);
  font-weight: 700;
  transition: all 0.2s ease;
}

.mobile-social-btn:hover,
.mobile-social-btn:active {
  color: #ffffff;
  border-color: var(--neon-pink);
  background: rgba(255, 31, 143, 0.15);
}

/* ナビゲーションのレスポンシブ切り替え (900px以下でドロワー化) */
@media (max-width: 900px) {
  .nav-desktop-menu {
    display: none;
  }
  .nav-toggle-btn {
    display: flex;
  }
  .nav-mobile-drawer {
    display: block;
  }
}

/* ==========================================================================
   VRM Information & cluster Restriction Checker (Model Info)
   ========================================================================== */

/* ビューポート内制限警告バッジ */
.vrm-info-badge {
  position: absolute;
  top: 76px;
  left: 12px;
  z-index: 12;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  pointer-events: none;
  user-select: none;
  line-height: 1.4;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
  border: 1px solid transparent;
  max-width: calc(100% - 24px);
  word-break: break-all;
}

.vrm-info-badge.has-error {
  background: rgba(45, 10, 16, 0.88);
  color: var(--danger);
  border-color: rgba(255, 77, 106, 0.6);
}

.vrm-info-badge.has-warning {
  background: rgba(45, 35, 10, 0.88);
  color: #ffb830;
  border-color: rgba(255, 184, 48, 0.6);
}

@media (max-width: 768px) {
  /* スマホ時: 右上のScene Settingsボタンの直下に配置 */
  .vrm-info-badge {
    top: 50px;
    right: 12px;
    left: auto;
    font-size: 10px;
    padding: 4px 8px;
    max-width: calc(100% - 130px);
  }
}

/* Model Info タブ内 */
.vip-header-desc {
  font-size: 11px;
  color: var(--text2);
  line-height: 1.5;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.vip-body-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
}

.vip-empty {
  font-size: 12px;
  color: var(--text2);
  text-align: center;
  padding: 24px 0;
}

.vip-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
  padding: 3px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.vip-lbl {
  color: var(--text1);
  flex-shrink: 0;
}

.vip-val-wrap {
  display: flex;
  align-items: center;
  gap: 3px;
  font-variant-numeric: tabular-nums;
}

.vip-item b {
  color: var(--text0);
  font-weight: 700;
}

.vip-limit {
  color: var(--text2);
  font-size: 10px;
}

.vip-over {
  color: var(--danger) !important;
}

.vip-warn {
  color: #ffb830 !important;
}