/* ====================================================================
   ナンバータッチ v3（ライトテーマ）専用CSS
   設置先: 固定ページ下部「カスタムCSS」欄 ※既存CSSと全置き換え
==================================================================== */

/* ---- ゲームコンテナ ------------------------------------------ */
#nt-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 0;
  background: #f8fafc;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 0 1px #e2e8f0, 0 20px 60px rgba(15,23,42,0.12);
  font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
}
#nt-container::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, #0ea5e9, #6366f1, #0ea5e9);
  background-size: 200% 100%;
  animation: nt-shimmer 3s linear infinite;
}
@keyframes nt-shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

#nt-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: #0f172a;
  color: #94a3b8;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
#nt-status-bar span { display: flex; align-items: center; gap: 0.4rem; }
#nt-status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 6px #22c55e;
  animation: nt-pulse 2s ease-in-out infinite;
}
@keyframes nt-pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ---- タイマー -------------------------------------------------- */
#nt-timer {
  display: block !important;
  text-align: center !important;
  font-size: 3rem !important;
  font-weight: 800 !important;
  color: #0f172a !important;
  padding: 1.25rem 1.5rem 0.25rem !important;
  margin: 0 !important;
  line-height: 1 !important;
  min-height: 4.2rem !important;
  font-variant-numeric: tabular-nums !important;
  transition: color 0.3s !important;
}
#nt-timer.go  { color: #0ea5e9 !important; }
#nt-timer.fin { color: #6366f1 !important; }

/* ---- サブステータス（BEST / MISS） ----------------------------- */
#nt-substats {
  display: flex !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  padding: 0.25rem 1.5rem 0.75rem !important;
  flex-wrap: wrap !important;
}
.nt-chip {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.4rem !important;
  background: #fff !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 99px !important;
  padding: 0.3rem 0.9rem !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  color: #64748b !important;
  font-variant-numeric: tabular-nums !important;
}
.nt-chip b { color: #0f172a !important; font-weight: 800 !important; }
.nt-chip.miss b { color: #e11d48 !important; }
.nt-chip.best b { color: #d97706 !important; }

/* ---- ツールバー（サイズ選択・スタート・スキップ） --------------- */
.nt-buttons {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  gap: 0.75rem !important;
  flex-wrap: wrap !important;
  padding: 0.25rem 1.5rem 0.9rem !important;
}
#nt-start {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0.7rem 2rem !important;
  border: none !important;
  border-radius: 10px !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(14,165,233,0.35) !important;
  transition: all 0.15s !important;
  line-height: 1 !important;
}
#nt-start:hover:not(:disabled) { box-shadow: 0 6px 20px rgba(14,165,233,0.5) !important; transform: translateY(-1px) !important; }
#nt-start:disabled { opacity: 0.35 !important; cursor: not-allowed !important; transform: none !important; }
.nt-skip-label {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  color: #94a3b8 !important;
  cursor: pointer !important;
  user-select: none !important;
}
.nt-skip-label input { accent-color: #6366f1 !important; margin: 0 !important; cursor: pointer !important; }

/* ---- 進捗バー --------------------------------------------------- */
#nt-progress-wrap {
  padding: 0 1.5rem 1rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
}
#nt-progress-bar-bg {
  flex: 1 !important;
  height: 6px !important;
  background: #e2e8f0 !important;
  border-radius: 99px !important;
  overflow: hidden !important;
}
#nt-progress-bar {
  height: 100% !important;
  width: 0% !important;
  background: linear-gradient(90deg, #0ea5e9, #6366f1) !important;
  border-radius: 99px !important;
  transition: width 0.2s ease !important;
}
#nt-progress-label {
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  color: #94a3b8 !important;
  min-width: 2.8rem !important;
  text-align: right !important;
  font-variant-numeric: tabular-nums !important;
}

/* ---- グリッド ---------------------------------------------------- */
#nt-grid {
  display: grid !important;
  grid-template-columns: repeat(5, 1fr) !important;
  gap: 8px !important;
  padding: 0 1.5rem 1.5rem !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.nt-cell {
  height: 80px !important;
  min-height: 80px !important;
  max-height: 80px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 12px !important;
  font-size: 1.4rem !important;
  font-weight: 700 !important;
  font-family: inherit !important;
  cursor: pointer !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  touch-action: manipulation !important;
  transition: all 0.12s cubic-bezier(0.34,1.56,0.64,1) !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
  line-height: 1 !important;
}
.nt-cell.empty {
  background: #fff !important;
  border: 2px solid #e2e8f0 !important;
  cursor: default !important;
}
.nt-cell:not(.empty):not(.disabled) {
  background: #fff !important;
  border: 2px solid #cbd5e1 !important;
  color: #1e40af !important;
  box-shadow: 0 2px 6px rgba(30,64,175,0.08) !important;
}
@media (hover: hover) {
  .nt-cell:not(.empty):not(.disabled):hover {
    background: linear-gradient(135deg, #0ea5e9, #6366f1) !important;
    border-color: transparent !important;
    color: #fff !important;
    transform: scale(1.06) !important;
    box-shadow: 0 8px 20px rgba(14,165,233,0.35) !important;
    z-index: 1 !important;
  }
}
.nt-cell.disabled {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7) !important;
  border: 2px solid #bbf7d0 !important;
  color: #16a34a !important;
  cursor: default !important;
  opacity: 0.8 !important;
  pointer-events: none !important;
}
.nt-cell.nt-miss {
  border-color: #fda4af !important;
  background: #fff1f2 !important;
  color: #e11d48 !important;
  animation: nt-shake 0.25s linear !important;
}
@keyframes nt-shake { 25%{transform:translateX(3px)} 50%{transform:translateX(-3px)} 75%{transform:translateX(2px)} }
@media (max-width: 480px) {
  .nt-cell { height: 56px !important; min-height: 56px !important; max-height: 56px !important; font-size: 1.1rem !important; }
  #nt-grid { gap: 5px !important; }
  #nt-timer { font-size: 2.2rem !important; }
}

/* ---- 結果カード --------------------------------------------------- */
#nt-result-area { display: none; margin: 0 1.5rem 1.25rem !important; }
#nt-result-area.show { display: block !important; animation: nt-pop 0.35s ease !important; }
@keyframes nt-pop { from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:none} }
.nt-result-card {
  background: linear-gradient(135deg, #eff6ff, #f5f3ff) !important;
  border: 2px solid #c7d2fe !important;
  border-radius: 14px !important;
  padding: 1.5rem !important;
  text-align: center !important;
}
.nt-record-badge {
  display: inline-block !important;
  background: linear-gradient(90deg, #f59e0b, #f97316) !important;
  color: #fff !important;
  font-size: 0.72rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.16em !important;
  border-radius: 99px !important;
  padding: 0.3rem 1rem !important;
  margin-bottom: 0.6rem !important;
  animation: nt-glow 1.4s ease-in-out infinite alternate !important;
}
@keyframes nt-glow { from{box-shadow:0 0 4px rgba(245,158,11,.4)} to{box-shadow:0 0 18px rgba(249,115,22,.7)} }
.nt-result-rank {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 64px !important; height: 64px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, #0ea5e9, #6366f1) !important;
  color: #fff !important;
  font-size: 2rem !important;
  font-weight: 800 !important;
  margin-bottom: 0.5rem !important;
}
.nt-result-time {
  font-size: 2.4rem !important;
  font-weight: 800 !important;
  color: #4f46e5 !important;
  margin-bottom: 0.2rem !important;
  font-variant-numeric: tabular-nums !important;
}
.nt-result-meta { font-size: 0.82rem !important; color: #94a3b8 !important; margin-bottom: 0.4rem !important; }
.nt-result-msg { font-size: 0.9rem !important; color: #64748b !important; margin-bottom: 1.1rem !important; line-height: 1.6 !important; }
.nt-result-btns { display: flex !important; justify-content: center !important; gap: 0.5rem !important; flex-wrap: wrap !important; }
.nt-btn-share {
  display: inline-flex !important; align-items: center !important; justify-content: center !important;
  padding: 0.65rem 1.4rem !important; border-radius: 9px !important;
  font-size: 0.9rem !important; font-weight: 700 !important;
  background: #0f172a !important; color: #fff !important;
  text-decoration: none !important; border: none !important; cursor: pointer !important;
}
.nt-btn-retry {
  display: inline-flex !important; align-items: center !important; justify-content: center !important;
  padding: 0.65rem 1.4rem !important; border-radius: 9px !important;
  font-size: 0.9rem !important; font-weight: 700 !important;
  background: #fff !important; color: #4f46e5 !important;
  border: 2px solid #c7d2fe !important; cursor: pointer !important;
}

/* ---- ランキング ----------------------------------------------------- */
#nt-ranking {
  border-top: 1px solid #f1f5f9 !important;
  padding: 1rem 1.5rem 1.25rem !important;
  background: #fff !important;
  margin: 0 !important;
}
#nt-ranking h3 {
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  color: #94a3b8 !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  margin: 0 0 0.75rem !important;
  text-align: center !important;
}
#nt-list { list-style: none !important; padding: 0 !important; margin: 0 !important; max-height: 240px !important; overflow-y: auto !important; }
#nt-list li {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  padding: 0.45rem 0.75rem !important;
  border-radius: 8px !important;
  font-size: 0.9rem !important;
  margin: 0 0 2px !important;
  background: #f8fafc !important;
  border: 1px solid transparent !important;
  color: #475569 !important;
  line-height: 1.4 !important;
  font-variant-numeric: tabular-nums !important;
}
#nt-list li:first-child  { background: #fffbeb !important; color: #92400e !important; font-weight: 700 !important; }
#nt-list li:nth-child(2) { background: #f8fafc !important; color: #475569 !important; font-weight: 600 !important; }
#nt-list li:nth-child(3) { background: #fff7ed !important; color: #9a3412 !important; font-weight: 600 !important; }
#nt-list li.latest { border-color: #6366f1 !important; box-shadow: 0 0 0 1px #6366f1 inset !important; }
#nt-list li .nt-r-pos { min-width: 1.6rem !important; font-weight: 800 !important; }
#nt-list li .nt-r-rank {
  display: inline-flex !important; align-items: center !important; justify-content: center !important;
  min-width: 20px !important; height: 20px !important; border-radius: 6px !important;
  background: #e0e7ff !important; color: #4f46e5 !important;
  font-size: 0.7rem !important; font-weight: 800 !important;
}
#nt-list li .nt-r-date { margin-left: auto !important; font-size: 0.72rem !important; color: #94a3b8 !important; font-weight: 400 !important; }
#nt-list:empty::after { content: 'まだ記録がありません'; display: block !important; text-align: center !important; color: #cbd5e1 !important; font-size: 0.82rem !important; padding: 0.5rem !important; }
#nt-clear-wrap { text-align: center !important; margin-top: 0.6rem !important; }
#nt-clear {
  background: none !important; border: none !important; cursor: pointer !important;
  color: #94a3b8 !important; font-size: 0.74rem !important; text-decoration: underline !important;
  padding: 0.2rem 0.5rem !important;
}
#nt-clear:hover { color: #64748b !important; }

/* ---- フォーカス・モーション配慮 -------------------------------------- */
#nt-container :where(button, a, input):focus-visible {
  outline: 3px solid #6366f1 !important; outline-offset: 2px !important;
}
@media (prefers-reduced-motion: reduce) {
  #nt-container::before { animation: none !important; }
  #nt-status-dot { animation: none !important; }
  .nt-cell.nt-miss { animation: none !important; }
  .nt-record-badge { animation: none !important; }
  #nt-result-area.show { animation: none !important; }
}

/* ---- ページコンテンツ装飾（遊び方・コツ・FAQ・CTA） ------------------- */
.nt-section .container {
  background: #fff !important;
  border-radius: 16px !important;
  padding: 1.75rem !important;
  box-shadow: 0 2px 12px rgba(15,23,42,0.06) !important;
  border: 1px solid #f1f5f9 !important;
  margin-bottom: 1rem !important;
}
.nt-section-header {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  margin-bottom: 1.25rem !important;
  padding-bottom: 0.75rem !important;
  border-bottom: 2px solid #f1f5f9 !important;
}
.nt-section .section-title {
  font-size: 1.1rem !important;
  font-weight: 800 !important;
  margin: 0 !important;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nt-steps { list-style: none !important; padding: 0 !important; margin: 0 !important; display: flex !important; flex-direction: column !important; gap: 0.75rem !important; }
.nt-steps li { display: flex !important; align-items: flex-start !important; gap: 0.75rem !important; padding: 0.75rem 1rem !important; background: #f8fafc !important; border-radius: 10px !important; font-size: 0.92rem !important; color: #334155 !important; border: 1px solid #f1f5f9 !important; line-height: 1.6 !important; margin: 0 !important; }
.nt-steps li::before { display: none !important; }
.nt-step-num { display: inline-flex !important; align-items: center !important; justify-content: center !important; min-width: 26px !important; height: 26px !important; border-radius: 50% !important; background: linear-gradient(135deg, #0ea5e9, #6366f1) !important; color: #fff !important; font-size: 0.78rem !important; font-weight: 800 !important; flex-shrink: 0 !important; margin-top: 1px !important; }
.nt-tips-list { list-style: none !important; padding: 0 !important; margin: 0 !important; display: flex !important; flex-direction: column !important; gap: 0.65rem !important; }
.nt-tips-list li { display: flex !important; align-items: flex-start !important; gap: 0.75rem !important; padding: 0.75rem 1rem !important; background: #f0fdf4 !important; border-radius: 10px !important; font-size: 0.92rem !important; color: #166534 !important; border: 1px solid #bbf7d0 !important; line-height: 1.6 !important; margin: 0 !important; }
.nt-tips-list li::before { display: none !important; }
.nt-faq { display: flex !important; flex-direction: column !important; gap: 0.65rem !important; margin: 0 !important; }
.nt-faq details { background: #f8fafc !important; border-radius: 10px !important; overflow: hidden !important; border: 1px solid #e2e8f0 !important; }
.nt-faq summary {
  list-style: none !important; cursor: pointer !important;
  font-weight: 700 !important; font-size: 0.92rem !important; color: #0f172a !important;
  padding: 0.8rem 2.4rem 0.8rem 1rem !important; margin: 0 !important;
  display: flex !important; align-items: center !important; gap: 0.5rem !important;
  position: relative !important;
}
.nt-faq summary::-webkit-details-marker { display: none !important; }
.nt-faq summary::before { content: 'Q' !important; display: inline-flex !important; align-items: center !important; justify-content: center !important; width: 22px !important; height: 22px !important; border-radius: 50% !important; background: linear-gradient(135deg, #0ea5e9, #6366f1) !important; color: #fff !important; font-size: 0.72rem !important; font-weight: 800 !important; flex-shrink: 0 !important; }
.nt-faq summary::after {
  content: '' !important; position: absolute !important; right: 1rem !important; top: 50% !important;
  width: 8px !important; height: 8px !important;
  border-right: 2px solid #6366f1 !important; border-bottom: 2px solid #6366f1 !important;
  transform: translateY(-70%) rotate(45deg) !important; transition: transform 0.2s !important;
}
.nt-faq details[open] summary::after { transform: translateY(-30%) rotate(225deg) !important; }
.nt-faq .nt-a { font-size: 0.88rem !important; color: #64748b !important; padding: 0 1rem 0.85rem 2.6rem !important; margin: 0 !important; line-height: 1.6 !important; }
#contact.nt-section .container { background: linear-gradient(135deg, #0f172a, #1e293b) !important; border-color: #334155 !important; text-align: center !important; }
#contact .section-title { color: #fff !important; -webkit-text-fill-color: #fff !important; margin-bottom: 0.75rem !important; }
#contact p { color: #94a3b8 !important; font-size: 0.92rem !important; margin: 0 !important; }
#contact a { color: #38bdf8 !important; font-weight: 700 !important; text-decoration: none !important; }
.nt-hero-badge { display: inline-flex !important; align-items: center !important; background: linear-gradient(135deg, #0ea5e9, #6366f1) !important; color: #fff !important; font-size: 0.72rem !important; font-weight: 800 !important; letter-spacing: 0.12em !important; padding: 0.3rem 0.9rem !important; border-radius: 99px !important; margin-bottom: 0.75rem !important; }

/* ---- ランク色 -------------------------------------------------------- */
.rank-s { background: linear-gradient(135deg, #f59e0b, #ef4444) !important; }
.rank-a { background: linear-gradient(135deg, #8b5cf6, #6366f1) !important; }
.rank-b { background: linear-gradient(135deg, #0ea5e9, #6366f1) !important; }
.rank-c { background: linear-gradient(135deg, #10b981, #0ea5e9) !important; }
.rank-d { background: linear-gradient(135deg, #94a3b8, #64748b) !important; }

/* ---- ランクと目安テーブル -------------------------------------------- */
.nt-guide-lead { font-size: 0.92rem !important; color: #64748b !important; margin: 0 0 1.1rem !important; line-height: 1.8 !important; }
.nt-tier-table { display: flex !important; flex-direction: column !important; gap: 0.5rem !important; }
.nt-tier {
  display: flex !important;
  align-items: center !important;
  gap: 0.9rem !important;
  padding: 0.8rem 1rem !important;
  background: #f8fafc !important;
  border: 1px solid #f1f5f9 !important;
  border-radius: 10px !important;
  position: relative !important;
}
.nt-tier-rank {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 40px !important;
  width: 40px !important;
  height: 40px !important;
  border-radius: 50% !important;
  color: #fff !important;
  font-size: 1.2rem !important;
  font-weight: 800 !important;
  flex-shrink: 0 !important;
}
.nt-tier-time {
  min-width: 90px !important;
  font-size: 0.92rem !important;
  font-weight: 800 !important;
  color: #0f172a !important;
  font-variant-numeric: tabular-nums !important;
  flex-shrink: 0 !important;
}
.nt-tier-body { font-size: 0.85rem !important; color: #64748b !important; line-height: 1.55 !important; }
.nt-tier-body strong { display: block !important; color: #0f172a !important; font-size: 0.92rem !important; }
.nt-tier.current {
  border-color: #6366f1 !important;
  background: linear-gradient(135deg, #eff6ff, #f5f3ff) !important;
  box-shadow: 0 0 0 1px #6366f1 inset !important;
}
.nt-tier.current::after {
  content: '\2605 いまここ' !important;
  position: absolute !important;
  top: -9px !important;
  right: 12px !important;
  background: #6366f1 !important;
  color: #fff !important;
  font-size: 0.66rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.08em !important;
  padding: 0.15rem 0.6rem !important;
  border-radius: 99px !important;
}
.nt-guide-note { font-size: 0.78rem !important; color: #94a3b8 !important; margin: 0.75rem 0 0 !important; text-align: right !important; }
@media (max-width: 480px) {
  .nt-tier { flex-wrap: wrap !important; gap: 0.5rem 0.75rem !important; }
  .nt-tier-time { min-width: 0 !important; }
  .nt-tier-body { flex-basis: 100% !important; }
}

/* ---- 鍛えられる力カード ------------------------------------------------ */
.nt-effects { display: grid !important; grid-template-columns: repeat(3, 1fr) !important; gap: 0.85rem !important; }
.nt-effect {
  background: #f8fafc !important;
  border: 1px solid #f1f5f9 !important;
  border-top: 3px solid transparent !important;
  border-image: linear-gradient(90deg, #0ea5e9, #6366f1) 1 !important;
  border-radius: 0 0 10px 10px !important;
  padding: 1.1rem 1rem !important;
}
.nt-effect-num {
  display: block !important;
  font-size: 0.72rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.18em !important;
  color: #6366f1 !important;
  margin-bottom: 0.35rem !important;
}
.nt-effect strong { display: block !important; font-size: 0.95rem !important; color: #0f172a !important; margin-bottom: 0.4rem !important; }
.nt-effect p { font-size: 0.82rem !important; color: #64748b !important; line-height: 1.7 !important; margin: 0 !important; }
@media (max-width: 640px) {
  .nt-effects { grid-template-columns: 1fr !important; }
}