/* ==========================================================================
   OSHIMO (オシモ / Favocalc) - Design System & Modern Aesthetics
   ========================================================================== */

:root {
  /* Cyber Neon Theme (Default) */
  --bg-color: #0b0d19;
  --bg-gradient: radial-gradient(circle at 50% 20%, #201138 0%, #0d091a 60%, #05040a 100%);
  --panel-bg: rgba(22, 17, 39, 0.65);
  --panel-border: rgba(255, 255, 255, 0.12);
  --panel-blur: 16px;
  
  --accent-color: #ff3388;
  --accent-glow: rgba(255, 51, 136, 0.4);
  --accent-secondary: #8a2be2;
  --accent-cyan: #00f0ff;
  
  --text-main: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-highlight: #ff66b2;
  
  /* Button Variables */
  --btn-bg: rgba(255, 255, 255, 0.08);
  --btn-border: rgba(255, 255, 255, 0.14);
  --btn-text: #ffffff;
  --btn-hover-glow: rgba(255, 51, 136, 0.3);
  
  --fn-btn-bg: rgba(138, 43, 226, 0.18);
  --fn-btn-border: rgba(138, 43, 226, 0.35);
  --fn-btn-text: #e0b0ff;
  
  --op-btn-bg: rgba(255, 51, 136, 0.18);
  --op-btn-border: rgba(255, 51, 136, 0.35);
  --op-btn-text: #ff66b2;

  --mem-btn-bg: rgba(0, 240, 255, 0.14);
  --mem-btn-border: rgba(0, 240, 255, 0.32);
  --mem-btn-text: #66f4ff;
  --mem-btn-glow: rgba(0, 240, 255, 0.4);
  
  --waketa-btn-bg: rgba(0, 240, 255, 0.15);
  --waketa-btn-border: rgba(0, 240, 255, 0.35);
  --waketa-btn-text: #66f4ff;
  
  --eq-btn-bg: linear-gradient(135deg, #ff3388, #8a2be2);
  --eq-btn-border: rgba(255, 255, 255, 0.4);
  --eq-btn-text: #ffffff;
  --eq-btn-glow: rgba(255, 51, 136, 0.5);

  /* User Customizable Overrides */
  --custom-btn-opacity: 0.4;
  --custom-label-opacity: 0.9;
  --custom-display-opacity: 0.35;
  --custom-blur: 0px;
}

/* Theme: Pastel Sakura */
body[data-theme="sakura"] {
  --bg-color: #1a1219;
  --bg-gradient: radial-gradient(circle at 50% 30%, #3d1c2e 0%, #20101b 60%, #12080f 100%);
  --panel-bg: rgba(45, 22, 36, 0.65);
  --panel-border: rgba(255, 182, 193, 0.2);
  --accent-color: #ff9ebb;
  --accent-glow: rgba(255, 158, 187, 0.45);
  --accent-secondary: #ffccd7;
  --text-main: #fff0f5;
  --text-muted: rgba(255, 240, 245, 0.65);
  --text-highlight: #ff759f;
  --btn-bg: rgba(255, 192, 203, 0.12);
  --btn-border: rgba(255, 192, 203, 0.22);
  --op-btn-bg: rgba(255, 105, 180, 0.25);
  --op-btn-text: #ff9ebb;
  --mem-btn-bg: rgba(255, 182, 193, 0.22);
  --mem-btn-border: rgba(255, 182, 193, 0.4);
  --mem-btn-text: #ffccd7;
  --mem-btn-glow: rgba(255, 182, 193, 0.45);
  --waketa-btn-bg: rgba(255, 215, 0, 0.2);
  --waketa-btn-text: #ffe066;
  --eq-btn-bg: linear-gradient(135deg, #ff759f, #ffa3be);
}

/* Theme: Midnight Blue */
body[data-theme="midnight"] {
  --bg-color: #060d1a;
  --bg-gradient: radial-gradient(circle at 50% 30%, #0d264f 0%, #081426 60%, #03070d 100%);
  --panel-bg: rgba(12, 28, 54, 0.65);
  --panel-border: rgba(100, 180, 255, 0.18);
  --accent-color: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.4);
  --accent-secondary: #818cf8;
  --text-main: #f0f9ff;
  --text-muted: rgba(240, 249, 255, 0.6);
  --text-highlight: #7dd3fc;
  --btn-bg: rgba(56, 189, 248, 0.09);
  --btn-border: rgba(56, 189, 248, 0.2);
  --op-btn-bg: rgba(56, 189, 248, 0.22);
  --op-btn-text: #38bdf8;
  --mem-btn-bg: rgba(56, 189, 248, 0.18);
  --mem-btn-border: rgba(56, 189, 248, 0.38);
  --mem-btn-text: #7dd3fc;
  --mem-btn-glow: rgba(56, 189, 248, 0.45);
  --waketa-btn-bg: rgba(129, 140, 248, 0.22);
  --waketa-btn-text: #a5b4fc;
  --eq-btn-bg: linear-gradient(135deg, #0284c7, #38bdf8);
}

/* Theme: Luxury Gold */
body[data-theme="gold"] {
  --bg-color: #0f0d09;
  --bg-gradient: radial-gradient(circle at 50% 30%, #302613 0%, #1a150a 60%, #080603 100%);
  --panel-bg: rgba(36, 29, 15, 0.7);
  --panel-border: rgba(255, 215, 0, 0.22);
  --accent-color: #f6c857;
  --accent-glow: rgba(246, 200, 87, 0.4);
  --accent-secondary: #d4af37;
  --text-main: #fffdf5;
  --text-muted: rgba(255, 253, 245, 0.6);
  --text-highlight: #ffd700;
  --btn-bg: rgba(246, 200, 87, 0.08);
  --btn-border: rgba(246, 200, 87, 0.2);
  --op-btn-bg: rgba(212, 175, 55, 0.22);
  --op-btn-text: #f6c857;
  --mem-btn-bg: rgba(255, 215, 0, 0.16);
  --mem-btn-border: rgba(255, 215, 0, 0.35);
  --mem-btn-text: #ffe066;
  --mem-btn-glow: rgba(255, 215, 0, 0.4);
  --waketa-btn-bg: rgba(255, 180, 50, 0.2);
  --waketa-btn-text: #ffd070;
  --eq-btn-bg: linear-gradient(135deg, #b8860b, #f6c857);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

body {
  font-family: 'Outfit', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-right: max(12px, env(safe-area-inset-right));
  padding-bottom: max(32px, env(safe-area-inset-bottom));
  padding-left: max(12px, env(safe-area-inset-left));
  position: relative;
}

/* PC Window Controls Overlay (タイトルバー統合モード) 時の余白確保 */
@media (display-mode: window-controls-overlay) {
  body {
    padding-top: max(16px, env(titlebar-area-height, 36px));
  }
}

/* App Background Image Overlay (Anchored to calculator frame) */
.app-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--app-bg-w, 430px);
  height: var(--app-bg-h, 750px);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: -1;
  transition: opacity 0.5s ease;
  pointer-events: none;
  filter: blur(var(--custom-blur));
  -webkit-filter: blur(var(--custom-blur));
  transform: translate(calc(-50% + var(--app-trans-x, 0%)), calc(-50% + var(--app-trans-y, 0%))) scale(var(--app-scale, 1));
  transform-origin: center center;
  will-change: filter, transform;
}

.bg-vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Wrapper */
.calculator-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 410px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 auto;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(var(--custom-blur));
  -webkit-backdrop-filter: blur(var(--custom-blur));
  border: 1px solid var(--panel-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  border-radius: 28px;
}

/* Header (2段レイアウト) */
.app-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 6px 2px;
  width: 100%;
  box-sizing: border-box;
}

.header-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 28px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.header-sub-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 6px;
}

.app-title {
  display: flex;
  flex-direction: column;
}

.title-jp {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, var(--text-main), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.title-en {
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  line-height: 1;
}

.pro-badge,
.pro-badge-btn {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  font-size: 0.58rem;
  font-weight: 800;
  padding: 2px 6px;
  height: 20px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 6px rgba(255, 215, 0, 0.35);
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  outline: none;
  box-sizing: border-box;
}

.pro-badge-btn:hover {
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 3px 10px rgba(255, 215, 0, 0.55);
  filter: brightness(1.08);
}

.pro-badge-btn:active {
  transform: scale(0.96);
}

.pro-badge-btn.is-activated {
  background: linear-gradient(135deg, #00f0ff, #8a2be2);
  color: #fff;
  border-color: rgba(0, 240, 255, 0.6);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.45);
}

.pro-badge-icon {
  font-size: 0.6rem;
  line-height: 1;
}

.pro-badge-text {
  font-size: 0.58rem;
  line-height: 1;
  white-space: nowrap;
}

/* 通常 / 比較 モード切替セグメントスイッチ */
.mode-switch-capsule {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 2px;
  gap: 2px;
  height: 28px;
  box-sizing: border-box;
  flex-shrink: 0;
}

.mode-capsule-item {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  height: 22px;
  border-radius: 11px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  outline: none;
}

.mode-capsule-item:hover:not(.active) {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.mode-capsule-item.active {
  background: linear-gradient(135deg, var(--accent-color), #00f0ff);
  color: #05050d;
  box-shadow: 0 0 8px var(--accent-glow);
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

.header-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  border-radius: 14px;
  padding: 2px 6px;
  height: 28px;
  box-sizing: border-box;
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.header-btn svg {
  flex-shrink: 0;
}

.header-btn-text {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  transform: translateY(-1px);
}

.header-btn:active {
  transform: scale(0.96);
}

.header-btn.icon-only {
  width: 28px;
  height: 28px;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 360px) {
  .header-actions {
    gap: 2px;
  }
  .header-btn {
    padding: 2px 4px;
    gap: 2px;
  }
  .header-btn-text {
    font-size: 0.58rem;
  }
  .waketa-indicator {
    font-size: 0.65rem;
  }
}
/* アプリバージョン表示バッジ */
.app-version-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted, rgba(255, 255, 255, 0.65));
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 2px 7px;
  border-radius: 10px;
  line-height: 1;
  height: 20px;
  box-sizing: border-box;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
  transition: all 0.2s ease;
}

.app-version-badge:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-main, #ffffff);
}

.pwa-install-btn {
  background: linear-gradient(135deg, rgba(255, 51, 136, 0.25), rgba(0, 240, 255, 0.25));
  border: 1px solid rgba(255, 51, 136, 0.5);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: 14px;
  animation: pwa-pulse 2.5s infinite;
}

.pwa-install-btn:hover {
  background: linear-gradient(135deg, rgba(255, 51, 136, 0.45), rgba(0, 240, 255, 0.45));
  border-color: #00f0ff;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
}

@keyframes pwa-pulse {
  0%, 100% {
    box-shadow: 0 0 4px rgba(255, 51, 136, 0.3);
  }
  50% {
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
  }
}


/* 和桁トグルスイッチ */
.waketa-indicator {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.toggle-pill {
  width: 28px;
  height: 16px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  position: relative;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.toggle-pill::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1), background-color 0.2s ease;
}

.toggle-pill.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}

.toggle-pill.active::after {
  transform: translateX(12px);
}

/* Calculator Card */
.calculator-card {
  padding: 18px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Display Screen */
.display-container {
  position: relative;
  background: rgba(8, 6, 15, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  aspect-ratio: 398 / 125;
  min-height: 125px;
  justify-content: space-between;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
  cursor: context-menu;
  user-select: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.display-container:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

/* Display Background (PRO Feature) */
.display-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--disp-layer-w, 100%);
  height: var(--disp-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-display-opacity);
  z-index: 1;
  pointer-events: none;
  filter: contrast(1.1) saturate(1.15);
  transition: opacity 0.15s ease;
  transform: translate(calc(-50% + var(--disp-trans-x, 0%)), calc(-50% + var(--disp-trans-y, 0%))) scale(var(--disp-scale, 1));
  transform-origin: center center;
}

.display-formula-bar {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 20px;
}

.formula-left {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  max-width: 250px;
}

.memory-badge {
  background: var(--mem-btn-bg);
  border: 1px solid var(--mem-btn-border);
  color: var(--mem-btn-text);
  box-shadow: 0 0 10px var(--mem-btn-glow);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 7px;
  border-radius: 8px;
  letter-spacing: 0.05em;
  display: inline-block;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.memory-badge.hidden {
  display: none;
}

.formula-text {
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.08em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.formula-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.copy-hint-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.2s ease;
  outline: none;
}

.copy-hint-btn:hover {
  background: rgba(255, 51, 136, 0.18);
  color: #fff;
  border-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
  transform: translateY(-1px);
}

.mode-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.2);
  white-space: nowrap;
}

.display-main {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 4px;
  width: 100%;
  justify-content: flex-end;
}

.main-number {
  font-size: 2.35rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-main);
  text-shadow: 0 0 16px rgba(255, 255, 255, 0.2);
  word-break: break-all;
  text-align: right;
  transition: font-size 0.15s ease;
}

.currency-unit {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-highlight);
  margin-left: 2px;
}

.display-sub {
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: right;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 6px;
  margin-top: 4px;
  display: block;
}

.display-sub.hidden {
  display: none;
}

.sub-number {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--waketa-btn-text);
  letter-spacing: 0.03em;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.35);
}

/* Keypad Grid */
.keypad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

/* Button Base */
.calc-btn {
  position: relative;
  aspect-ratio: 1 / 0.94;
  border-radius: 18px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  transition: transform 0.12s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.12s ease, border-color 0.2s ease;
  outline: none;
}

.calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px var(--btn-hover-glow);
  border-color: rgba(255, 255, 255, 0.3);
}

.calc-btn:active {
  transform: scale(0.94);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* Button Image Layer (For customizable push character images) */
.btn-img-layer {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--btn-layer-w, 100%);
  height: var(--btn-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-btn-opacity);
  pointer-events: none;
  z-index: 1;
  transform: translate(calc(-50% + var(--btn-trans-x, 0%)), calc(-50% + var(--btn-trans-y, 0%))) scale(var(--btn-scale, 1));
  transform-origin: center center;
  transition: opacity 0.2s ease, transform 0.1s ease;
}

.calc-btn:hover .btn-img-layer {
  transform: translate(calc(-50% + var(--btn-trans-x, 0%)), calc(-50% + var(--btn-trans-y, 0%))) scale(calc(var(--btn-scale, 1) * 1.06));
}

/* Button Text Label */
.btn-label {
  position: relative;
  z-index: 2;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--btn-text);
  opacity: var(--custom-label-opacity);
  transition: opacity 0.2s ease, transform 0.15s ease;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

/* Memory Buttons (MC, MR, M-, M+) */
.mem-btn {
  background: var(--mem-btn-bg);
  border-color: var(--mem-btn-border);
}
.mem-btn:hover {
  box-shadow: 0 6px 14px var(--mem-btn-glow);
}
.mem-btn .btn-label {
  color: var(--mem-btn-text);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Function Buttons (AC, ⌫, %) */
.fn-btn {
  background: var(--fn-btn-bg);
  border-color: var(--fn-btn-border);
}
.fn-btn .btn-label {
  color: var(--fn-btn-text);
  font-size: 1.25rem;
  font-weight: 700;
}

/* Operator Buttons (+ - × ÷) */
.op-btn {
  background: var(--op-btn-bg);
  border-color: var(--op-btn-border);
}
.op-btn .btn-label {
  color: var(--op-btn-text);
  font-size: 1.6rem;
  font-weight: 700;
}
.op-btn.active-op {
  background: var(--accent-color);
  border-color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}
.op-btn.active-op .btn-label {
  color: #fff;
}

/* 和桁専用ボタン (万, 億 - 将来オプション用) */
.waketa-btn {
  background: var(--waketa-btn-bg);
  border-color: var(--waketa-btn-border);
}
.waketa-btn .btn-label {
  color: var(--waketa-btn-text);
  font-size: 1.35rem;
  font-weight: 800;
  font-family: 'Noto Sans JP', sans-serif;
}

/* イコールボタン (=) */
.equals-btn {
  background: var(--eq-btn-bg);
  border-color: var(--eq-btn-border);
  box-shadow: 0 4px 18px var(--eq-btn-glow);
}
.equals-btn .btn-label {
  color: var(--eq-btn-text);
  font-size: 1.8rem;
  font-weight: 700;
}

/* Edit Mode Overlay for individual buttons */
body.editing-buttons .calc-btn {
  animation: gentle-pulse 1.8s infinite ease-in-out;
  border: 1.5px dashed var(--accent-cyan);
}

body.editing-buttons .calc-btn::after {
  content: '📷';
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-size: 0.75rem;
  z-index: 3;
  opacity: 0.85;
}

@keyframes gentle-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(0.97); }
}

/* Footer Toolbar */
.calculator-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
}

.quick-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color 0.2s ease;
}

.quick-link:hover {
  color: var(--text-main);
}

.quick-link.pro-link {
  color: #ffd700;
  font-weight: 700;
}

.footer-divider {
  color: rgba(255, 255, 255, 0.2);
  font-size: 0.8rem;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.45);
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  opacity: 1;
  transition: opacity 0.25s ease;
}

.modal-backdrop.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  border-radius: 24px;
  background: rgba(22, 17, 39, 0.9);
  padding: 20px 22px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.18);
  animation: modal-enter 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card.small {
  max-width: 360px;
}

@keyframes modal-enter {
  from {
    transform: translateY(20px) scale(0.96);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.close-modal-btn {
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s ease;
}

.close-modal-btn:hover {
  color: #fff;
}

.modal-body {
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-body.scrollable {
  overflow-y: auto;
  padding-right: 4px;
}

.modal-body.scrollable::-webkit-scrollbar {
  width: 5px;
}
.modal-body.scrollable::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}

/* Setting Groups */
.setting-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.setting-group h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.setting-group.pro-highlight {
  border-color: rgba(255, 215, 0, 0.4);
  background: rgba(255, 215, 0, 0.05);
}

.pro-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pro-tag {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 8px;
}

.feature-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Inputs & Buttons */
.input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.styled-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 10px 12px;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.styled-input:focus {
  border-color: var(--accent-color);
}

.file-upload-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.2s ease;
}

.file-upload-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

.file-upload-btn.full-width {
  width: 100%;
}

.file-hidden {
  display: none;
}

.action-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.action-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

.action-btn.primary {
  background: var(--accent-color);
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.action-btn.primary:hover {
  filter: brightness(1.15);
}

.action-btn.secondary {
  background: rgba(255, 255, 255, 0.08);
}

.action-btn.danger {
  background: rgba(255, 68, 68, 0.2);
  border-color: rgba(255, 68, 68, 0.4);
  color: #ff8888;
}

.action-btn.danger:hover {
  background: rgba(255, 68, 68, 0.35);
}

.action-btn.pro-btn {
  background: linear-gradient(135deg, #ffd700, #ff9900);
  color: #000;
  border: none;
  font-weight: 700;
}

.action-btn.small {
  padding: 7px 12px;
  font-size: 0.8rem;
}

.action-btn.full-width {
  width: 100%;
}

/* Utility: hidden & Step Views */
.hidden {
  display: none !important;
}

.reset-step-view {
  animation: fadeIn 0.2s ease-in-out;
}

.reset-step-view.hidden {
  display: none !important;
}

/* リセット確認モーダル専用スタイル */
.reset-modal-card {
  border-color: rgba(255, 68, 68, 0.4) !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 34, 85, 0.25) !important;
}

.reset-warning-box {
  background: rgba(255, 68, 68, 0.08);
  border: 1px solid rgba(255, 68, 68, 0.25);
  border-radius: 14px;
  padding: 16px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.reset-warning-box .warning-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.reset-warning-box p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-main);
}

.reset-warning-box.critical {
  background: rgba(255, 30, 80, 0.16);
  border-color: rgba(255, 30, 80, 0.6);
  box-shadow: 0 0 16px rgba(255, 30, 80, 0.3);
}

.glow-danger {
  background: linear-gradient(135deg, #ff2255, #cc0033) !important;
  color: #fff !important;
  border-color: #ff3366 !important;
  box-shadow: 0 0 14px rgba(255, 34, 85, 0.6) !important;
}

.glow-danger:hover {
  filter: brightness(1.15) !important;
  transform: translateY(-1px) scale(1.02);
}

/* Display Copy Context Menu (パターン②) */
.display-copy-menu {
  position: fixed;
  z-index: 1000;
  width: 260px;
  background: rgba(18, 14, 34, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  padding: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 20px var(--accent-glow);
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: menu-pop 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

@keyframes menu-pop {
  from {
    transform: scale(0.92) translateY(6px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.copy-menu-header {
  padding: 6px 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 4px;
}

.copy-menu-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
}

.copy-menu-options {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.copy-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text-main);
  text-align: left;
  transition: all 0.15s ease;
  width: 100%;
}

.copy-menu-item:hover {
  background: rgba(255, 51, 136, 0.2);
  border-color: var(--accent-color);
  box-shadow: 0 2px 10px var(--accent-glow);
  transform: translateX(2px);
}

.copy-item-icon {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.copy-item-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.copy-item-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.copy-item-val {
  font-size: 0.72rem;
  font-family: 'Outfit', sans-serif;
  color: var(--accent-cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Sliders & Real-time Live Preview */
.slider-settings-group {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.slider-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.live-pill {
  background: linear-gradient(135deg, #00f0ff, #8a2be2);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
  letter-spacing: 0.02em;
  animation: live-pulse 2s infinite ease-in-out;
}

@keyframes live-pulse {
  0%, 100% {
    box-shadow: 0 0 6px rgba(0, 240, 255, 0.3);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 14px rgba(0, 240, 255, 0.7);
    opacity: 0.85;
  }
}

.slider-live-preview-box {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 12px;
  display: grid;
  grid-template-columns: 80px 80px 1fr;
  gap: 12px;
  align-items: center;
}

.live-sample-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.live-sample-btn {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: var(--btn-bg);
  border: 1.5px solid var(--accent-color);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.live-sample-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: var(--custom-btn-opacity);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.12s ease;
}

.live-sample-label {
  position: relative;
  z-index: 2;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  opacity: var(--custom-label-opacity);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  transition: opacity 0.12s ease;
}

.live-sample-caption {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

/* Frosted Glass Live Sample Card */
.live-glass-card {
  position: relative;
  width: 62px;
  height: 62px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

.glass-art-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0d091a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.art-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.art-1 {
  width: 44px;
  height: 44px;
  background: radial-gradient(circle, #ff3388 30%, transparent 70%);
  top: -8px;
  left: -8px;
}

.art-2 {
  width: 40px;
  height: 40px;
  background: radial-gradient(circle, #00f0ff 30%, transparent 70%);
  bottom: -6px;
  right: -6px;
}

.art-text {
  position: relative;
  font-size: 0.72rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.05em;
  text-shadow: 0 0 6px #ff3388;
}

.glass-overlay-filter {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(var(--custom-blur));
  -webkit-backdrop-filter: blur(var(--custom-blur));
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2px;
  z-index: 2;
  transition: backdrop-filter 0.08s ease;
}

.glass-overlay-icon {
  font-size: 0.85rem;
  line-height: 1;
}

.glass-overlay-val {
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.live-preview-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.live-preview-desc strong {
  color: var(--accent-cyan);
}

.slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-row label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.slider-row label span {
  font-weight: 700;
  color: var(--text-main);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.hint-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Button Individual Preview Box & Position Controls */
.btn-preview-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 8px 0 4px;
}

.btn-preview-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.btn-preview-box {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  background: var(--btn-bg);
  border: 2px solid var(--accent-color);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px var(--accent-glow);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.btn-preview-box.grabbing {
  cursor: grabbing;
}

.btn-preview-img-layer {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--btn-layer-w, 100%);
  height: var(--btn-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-btn-opacity);
  pointer-events: none;
  z-index: 1;
  transform: translate(calc(-50% + var(--btn-trans-x, 0%)), calc(-50% + var(--btn-trans-y, 0%))) scale(var(--btn-scale, 1));
  transform-origin: center center;
  transition: opacity 0.15s ease;
}

.btn-preview-box span {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  z-index: 2;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

.preview-drag-guide {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.6);
  padding: 1px 7px;
  border-radius: 8px;
  pointer-events: none;
  z-index: 3;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* Position Controls (左右 & 上下) */
.pos-control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.pos-group-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.pos-btn-pair {
  display: flex;
  gap: 5px;
}

.pos-btn-pair.vertical {
  flex-direction: column;
}

.pos-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.15s ease;
  user-select: none;
}

.pos-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: scale(1.08);
  box-shadow: 0 0 10px var(--accent-glow);
}

.pos-btn:active {
  transform: scale(0.92);
}

.pos-reset-btn {
  background: none;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.pos-reset-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
}

.wide-pos-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 6px 12px;
}

.pos-inline-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Zoom (Scale) Control Row */
.zoom-control-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 8px 12px;
}

.zoom-label-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.zoom-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.zoom-val-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.12);
  padding: 2px 7px;
  border-radius: 8px;
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.zoom-slider-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zoom-step-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.15s ease;
  flex-shrink: 0;
  user-select: none;
}

.zoom-step-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.zoom-step-btn:active {
  transform: scale(0.92);
}

/* AI & JSON Textareas */
.prompt-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prompt-textarea, .json-textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 10px 12px;
  color: #d1d5db;
  font-family: monospace;
  font-size: 0.75rem;
  line-height: 1.4;
  outline: none;
  resize: vertical;
}

.prompt-textarea {
  height: 130px;
}

.json-textarea {
  height: 110px;
}

/* Theme Options Grid */
.theme-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.theme-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.theme-preview {
  width: 100%;
  height: 36px;
  border-radius: 10px;
}

.theme-preview.neon {
  background: linear-gradient(135deg, #201138, #ff3388);
}
.theme-preview.sakura {
  background: linear-gradient(135deg, #3d1c2e, #ff9ebb);
}
.theme-preview.midnight {
  background: linear-gradient(135deg, #0d264f, #38bdf8);
}
.theme-preview.gold {
  background: linear-gradient(135deg, #302613, #f6c857);
}

.theme-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: center;
}

/* Pro Modal Hero */
.pro-hero {
  text-align: center;
  padding: 10px 0 16px;
}

.pro-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 6px;
}

.pro-hero h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffd700;
  margin-bottom: 4px;
}

.pro-hero p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pro-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 215, 0, 0.06);
  border: 1px solid rgba(255, 215, 0, 0.25);
  border-radius: 16px;
  padding: 14px;
  font-size: 0.85rem;
}

.pro-features-list li {
  color: #fff;
  line-height: 1.4;
}

.purchase-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  margin-top: 6px;
}

.pro-purchase-btn {
  width: 100%;
  text-align: center;
  text-decoration: none;
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 14px;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.pro-purchase-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.license-activate-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 14px;
  margin-top: 6px;
}

.license-activate-box h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(18, 14, 30, 0.95);
  border: 1px solid var(--accent-color);
  color: #fff;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 15px var(--accent-glow);
  z-index: 200;
  opacity: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.toast.hidden {
  opacity: 0;
  transform: translate(-50%, 15px);
}

/* ==========================================================================
   Visual Calculator Button Mapping (In Settings Modal)
   ========================================================================== */
.visual-map-group {
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.visual-map-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.visual-map-header h3 {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.hint-badge {
  background: var(--accent-color);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 10px;
  box-shadow: 0 2px 8px var(--accent-glow);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.visual-map-bg-row {
  margin: 6px 0 12px;
}

.visual-map-bg-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.visual-map-bg-btn:hover {
  background: rgba(255, 0, 127, 0.2);
  border-color: #ff007f;
  box-shadow: 0 0 14px rgba(255, 0, 127, 0.35);
  transform: translateY(-1px);
  color: #fff;
}

.mini-calc-preview {
  position: relative;
  background: rgba(14, 11, 24, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 18px;
  padding: 12px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.mini-calc-bg {
  display: none;
}

.mini-display-card,
.mini-keypad-grid {
  position: relative;
  z-index: 1;
}

.mini-display-card {
  position: relative;
  width: 100%;
  aspect-ratio: 398 / 125;
  box-sizing: border-box;
  background: rgba(8, 6, 15, 0.85);
  border-radius: 18px;
  padding: 10px 14px;
  border: 1.5px dashed rgba(255, 255, 255, 0.35);
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.5);
}

.mini-display-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4), inset 0 2px 6px rgba(0, 0, 0, 0.5);
  transform: translateY(-1px);
}

.mini-display-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--disp-layer-w, 100%);
  height: var(--disp-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-display-opacity);
  transition: opacity 0.15s ease;
  z-index: 1;
  pointer-events: none;
  transform: translate(calc(-50% + var(--disp-trans-x, 0%)), calc(-50% + var(--disp-trans-y, 0%))) scale(var(--disp-scale, 1));
  transform-origin: center center;
}

.mini-display-top-bar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.mini-display-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.mini-badge-edit {
  position: relative;
  z-index: 2;
  background: rgba(0, 240, 255, 0.2);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mini-display-main-view {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.mini-display-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  font-family: 'Outfit', sans-serif;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.mini-display-sub {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  opacity: 0.9;
  letter-spacing: 0.03em;
}

.mini-keypad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}

.mini-calc-btn {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  background: var(--btn-bg);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  transition: all 0.15s cubic-bezier(0.2, 0, 0, 1);
  outline: none;
}

.mini-calc-btn:hover {
  transform: scale(1.08);
  border-color: var(--accent-color);
  box-shadow: 0 4px 14px var(--accent-glow);
  z-index: 5;
}

.mini-calc-btn:active {
  transform: scale(0.95);
}

.mini-btn-img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--btn-layer-w, 100%);
  height: var(--btn-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-btn-opacity);
  pointer-events: none;
  z-index: 1;
  transform: translate(calc(-50% + var(--btn-trans-x, 0%)), calc(-50% + var(--btn-trans-y, 0%))) scale(var(--btn-scale, 1));
  transform-origin: center center;
  transition: opacity 0.12s ease;
}

.mini-btn-label {
  position: relative;
  z-index: 2;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  opacity: var(--custom-label-opacity);
  transition: opacity 0.12s ease;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.mini-btn-has-img {
  border-style: solid;
  border-color: var(--accent-color);
  box-shadow: 0 0 6px var(--accent-glow);
}

.mini-btn-badge {
  position: absolute;
  bottom: 1px;
  right: 2px;
  font-size: 0.6rem;
  z-index: 3;
  opacity: 0.85;
}

/* Display preview inside display-edit-modal */
.display-preview-container {
  display: flex;
  justify-content: center;
  padding: 8px 0;
}

.display-preview-box {
  width: 100%;
  aspect-ratio: 398 / 125;
  min-height: 105px;
  border-radius: 20px;
  background: rgba(12, 10, 22, 0.85);
  border: 2px solid var(--accent-cyan);
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  padding: 14px 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.display-preview-box.grabbing {
  cursor: grabbing;
}

.display-preview-img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--disp-layer-w, 100%);
  height: var(--disp-layer-h, 100%);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: var(--custom-display-opacity);
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.15s ease;
  transform: translate(calc(-50% + var(--disp-trans-x, 0%)), calc(-50% + var(--disp-trans-y, 0%))) scale(var(--disp-scale, 1));
  transform-origin: center center;
}

.display-preview-box span {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  z-index: 2;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

/* Background Status Card in Settings Modal */
.bg-status-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(12, 10, 24, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px 14px;
  margin-top: 6px;
  margin-bottom: 12px;
  transition: all 0.25s ease;
}

.bg-status-card.has-bg {
  border-color: rgba(6, 214, 160, 0.35);
  box-shadow: 0 4px 18px rgba(6, 214, 160, 0.1);
}

.bg-status-thumb-wrap {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.4);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.bg-status-thumb {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: var(--app-bg-x, 50%) var(--app-bg-y, 50%);
  background-repeat: no-repeat;
  transition: background-image 0.2s ease;
}

.bg-status-thumb.empty::after {
  content: '未設定';
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.bg-status-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bg-status-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bg-status-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.bg-status-badge {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.bg-status-badge.active {
  background: rgba(6, 214, 160, 0.2);
  color: #06d6a0;
  border: 1px solid rgba(6, 214, 160, 0.4);
  box-shadow: 0 0 8px rgba(6, 214, 160, 0.25);
}

.bg-status-note {
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.35;
}

.live-tune-btn {
  margin-top: 6px;
  width: 100%;
  background: linear-gradient(135deg, #ff007f 0%, #7928ca 100%) !important;
  color: #fff !important;
  font-weight: 700 !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  box-shadow: 0 4px 15px rgba(255, 0, 127, 0.35) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  animation: tune-pulse 2.2s infinite ease-in-out;
}

@keyframes tune-pulse {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(255, 0, 127, 0.35);
    transform: translateY(0);
  }
  50% {
    box-shadow: 0 6px 22px rgba(255, 0, 127, 0.55);
    transform: translateY(-1px);
  }
}

.mini-pill-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mini-pill-btn:hover {
  background: rgba(255, 0, 127, 0.2);
  border-color: #ff007f;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
}

/* ========================================================
   実画面背景ライブ調整オーバーレイ（壁紙設定風）
   ======================================================== */
.live-bg-tune-overlay {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  animation: fadeIn 0.25s ease forwards;
}

.live-bg-tune-overlay.hidden {
  display: none !important;
}

/* 全画面ドラッグ操作面 */
.live-bg-drag-surface {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: auto;
  touch-action: none;
  cursor: grab;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: max(20px, env(safe-area-inset-top));
}

.live-bg-drag-surface.grabbing {
  cursor: grabbing;
}

/* 上部ガイダンスバッジ */
.live-bg-hint-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(12, 10, 24, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 30px;
  padding: 8px 18px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.6), 0 0 16px var(--accent-glow);
  pointer-events: none;
  margin-top: 10px;
  animation: bounceHint 2.4s infinite ease-in-out;
}

.live-bg-hint-icon {
  font-size: 1.1rem;
}

.live-bg-hint-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

@keyframes bounceHint {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* 下部フローティング調整バー（ボトムシート） */
.live-bg-sheet {
  position: relative;
  z-index: 2;
  pointer-events: auto;
  margin: auto 12px max(14px, env(safe-area-inset-bottom));
  padding: 14px 16px 16px;
  border-radius: 22px;
  background: rgba(14, 12, 28, 0.88) !important;
  backdrop-filter: blur(28px) !important;
  -webkit-backdrop-filter: blur(28px) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.22) !important;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.8), 0 0 24px rgba(0, 243, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 480px;
  width: calc(100% - 24px);
  align-self: center;
  box-sizing: border-box;
}

.live-bg-sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 8px;
}

.live-bg-sheet-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.live-bg-sheet-badge {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: 0.03em;
}

.live-bg-sheet-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.live-bg-zoom-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-bg-zoom-row .zoom-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

.live-bg-zoom-row .zoom-slider-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-bg-pos-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.live-bg-actions {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 10px;
  margin-top: 2px;
}

.live-bg-actions .action-btn {
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
}

/* ライブ調整中の電卓スタイル（背景を際立たせる） */
body.live-bg-tuning .calculator-card {
  pointer-events: none;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.25), 0 10px 40px rgba(0, 0, 0, 0.6);
  border-color: rgba(0, 243, 255, 0.4);
}

/* Responsive adjustments */
@media (max-width: 380px) {
  .calculator-card {
    padding: 14px 12px;
  }
  .keypad-grid {
    gap: 8px;
  }
  .calc-btn {
    border-radius: 16px;
  }
  .main-number {
    font-size: 2rem;
  }
}

/* ==========================================
 * 価格比較計算機（スーパー店頭お得度比較モード）
 * ========================================== */
.compare-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 480px;
  animation: fadeIn 0.25s ease forwards;
}

.compare-panel.hidden {
  display: none !important;
}

/* 比較ヘッダーバー */
.compare-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 6px 8px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.compare-header-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.compare-badge {
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  background: linear-gradient(90deg, #00f0ff, #22c55e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.compare-sub-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.compare-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.compare-limit-badge {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: #00f0ff;
  border-radius: 12px;
  padding: 3px 8px;
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: all 0.2s ease;
  outline: none;
  white-space: nowrap;
}

.compare-limit-badge:hover {
  background: rgba(0, 240, 255, 0.22);
  border-color: #00f0ff;
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
  transform: translateY(-1px);
}

.compare-limit-badge.is-empty {
  background: rgba(255, 71, 87, 0.18);
  border-color: rgba(255, 71, 87, 0.55);
  color: #ff6b81;
  animation: pulse 1.8s infinite;
}

.compare-limit-badge.is-pro {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(255, 140, 0, 0.25));
  border-color: rgba(255, 215, 0, 0.65);
  color: #ffd700;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.35);
  font-weight: 800;
}

.compare-action-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  border-radius: 12px;
  padding: 4px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.compare-action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  transform: translateY(-1px);
}

/* 比較テーブルラッパー（横スクロール対応） */
.compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
  margin: 0 -4px;
}

.compare-table-wrapper::-webkit-scrollbar {
  height: 5px;
}

.compare-table-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
}

.compare-table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 3px;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 6px;
  table-layout: fixed;
  min-width: 290px;
}

/* 見出しセル（行・列） */
.compare-table th {
  font-weight: 700;
  vertical-align: middle;
}

.compare-table thead th.col-header-label {
  width: 70px;
  min-width: 70px;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 6px 4px;
  text-align: center;
}

.compare-table thead th.col-product-th {
  min-width: 96px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 6px 8px;
  text-align: center;
  position: relative;
  transition: all 0.2s ease;
}

.col-product-th.is-winner {
  border-color: rgba(34, 197, 94, 0.5);
  background: rgba(34, 197, 94, 0.1);
}

.product-title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.product-name-editable {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-main);
  outline: none;
  cursor: text;
  padding: 2px 4px;
  border-radius: 6px;
  background: transparent;
  transition: background 0.2s ease;
  min-width: 40px;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-name-editable:focus {
  background: rgba(0, 0, 0, 0.6);
  border: 1px dashed var(--accent-color);
}

.col-del-btn {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: #ff4757;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease;
  z-index: 2;
  padding: 0;
}

.col-del-btn:hover {
  transform: scale(1.15);
}

.compare-table tbody th.row-header {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 8px 4px;
  text-align: center;
  line-height: 1.25;
}

.compare-table tbody th.row-header .unit-label {
  font-size: 0.62rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-top: 2px;
}

.compare-table tbody th.row-header.highlight-target {
  color: #4ade80;
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
}

/* 入力セル */
.compare-table td {
  padding: 0;
  vertical-align: middle;
}

.compare-input {
  width: 100%;
  height: 38px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: right;
  padding: 6px 10px;
  box-sizing: border-box;
  transition: all 0.2s ease;
  -moz-appearance: textfield;
}

.compare-input::-webkit-outer-spin-button,
.compare-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.compare-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  background: rgba(0, 0, 0, 0.65);
}

/* 単価計算結果セル */
.unit-price-cell {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 8px 6px;
  text-align: center;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.02em;
  transition: all 0.25s cubic-bezier(0.2, 0, 0, 1);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  box-sizing: border-box;
}

.unit-price-num {
  font-size: 1.15rem;
  line-height: 1.1;
}

.unit-price-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 最安値ハイライト（緑ネオングロー） */
.unit-price-cell.highlight {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.3), rgba(16, 185, 129, 0.15)) !important;
  border: 2px solid #22c55e !important;
  color: #4ade80 !important;
  box-shadow: 0 0 18px rgba(34, 197, 94, 0.55), inset 0 0 10px rgba(34, 197, 94, 0.2) !important;
}

.unit-price-cell.highlight .unit-price-sub {
  color: #86efac;
}

.best-badge {
  font-size: 0.6rem;
  font-weight: 800;
  background: #22c55e;
  color: #032b12;
  border-radius: 8px;
  padding: 1px 6px;
  margin-top: 3px;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 6px rgba(34, 197, 94, 0.4);
  animation: pulse 1.8s infinite;
}

/* 上限到達時のロック表示 */
.unit-price-cell.is-locked {
  background: rgba(255, 71, 87, 0.08) !important;
  border: 1.5px dashed rgba(255, 71, 87, 0.45) !important;
  color: #ff6b81 !important;
  cursor: pointer;
  box-shadow: none !important;
}

.unit-price-cell.is-locked .locked-icon {
  font-size: 1rem;
  line-height: 1;
}

.unit-price-cell.is-locked .locked-title {
  font-size: 0.72rem;
  font-weight: 800;
  color: #ff4757;
  margin-top: 2px;
}

.unit-price-cell.is-locked .unit-price-sub {
  color: rgba(255, 107, 129, 0.8);
  font-size: 0.6rem;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

/* 比較フッターバー */
.compare-footer-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.compare-status-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 0.76rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  flex-shrink: 0;
}

.compare-result-text {
  color: var(--text-main);
  font-weight: 600;
}

.compare-result-text .highlight-text {
  color: #4ade80;
  font-weight: 800;
}

.compare-footer-btns {
  display: flex;
  gap: 8px;
}

.compare-add-btn {
  flex: 1;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.16), rgba(255, 0, 128, 0.16));
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 14px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.compare-add-btn:hover {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.28), rgba(255, 0, 128, 0.28));
  border-color: var(--accent-color);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}

.compare-add-btn:active {
  transform: scale(0.98);
}


/* =========================================================
   iOS (Safari) ホーム画面追加案内モーダル
   ========================================================= */
.ios-install-card {
  max-width: 380px !important;
}

.ios-install-intro p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 16px;
  text-align: center;
}

.ios-install-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ios-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 14px;
  border-radius: 14px;
}

.ios-step-num {
  width: 26px;
  height: 26px;
  background: var(--accent-gradient, linear-gradient(135deg, #ff3388, #ff66aa));
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--accent-glow, rgba(255, 51, 136, 0.5));
  margin-top: 2px;
}

.ios-step-content strong {
  font-size: 0.95rem;
  color: #fff;
  display: block;
  margin-bottom: 4px;
}

.ios-step-content p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

.ios-share-badge, .ios-add-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ios-share-icon {
  font-size: 1.15rem;
  font-weight: 900;
  color: #38bdf8;
  vertical-align: middle;
}