:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #7c3aed;
  --accent-light: #f5f3ff;
  --success: #10b981;
  --success-dark: #059669;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-dark: #dc2626;
  --text-primary: #1f2937;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-input: #cbd5e1;
  --bg-page: #f1f5f9;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --shadow-card: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 10px 30px rgba(0,0,0,0.10);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 0.2s ease;
}

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

body {
  font-family: "Helvetica Neue", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 15px;
}

/* === ヒーローヘッダー === */
.hero {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 40%, #7c3aed 100%);
  color: #fff;
  padding: 56px 24px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-page);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 { margin: 12px 0 8px; font-size: 36px; font-weight: 800; letter-spacing: -0.5px; }
.hero p { margin: 0; opacity: 0.92; font-size: 15px; line-height: 1.7; }
.hero-badges {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.badge {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
}

/* === STEPインジケーター === */
.step-indicator {
  max-width: 680px;
  margin: -20px auto 8px;
  padding: 0 16px;
  position: relative;
  z-index: 10;
}
.step-track {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  transition: var(--transition);
}
.step-item.active .step-circle {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px var(--primary-light);
}
.step-item.done .step-circle {
  background: var(--success);
  color: #fff;
}
.step-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}
.step-item.active .step-label { color: var(--primary); }
.step-item.done .step-label { color: var(--success); }
.step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 8px;
  margin-bottom: 22px;
  min-width: 24px;
  transition: var(--transition);
}
.step-line.done { background: var(--success); }

/* === メインレイアウト === */
main {
  max-width: 980px;
  margin: 16px auto 56px;
  padding: 0 16px;
}

/* === カード === */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-card-hover); }
.card h2 {
  margin-top: 0;
  margin-bottom: 20px;
  border-left: 4px solid var(--primary);
  padding-left: 14px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}
.section-header h2 { margin-bottom: 0; }

/* === グリッド・フォーム === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  gap: 6px;
}
input, select {
  padding: 10px 12px;
  border: 1.5px solid var(--border-input);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.input-display {
  font-size: 12px;
  color: var(--primary);
  font-weight: 700;
  min-height: 18px;
}

/* === ボタン === */
button.primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
  letter-spacing: 0.3px;
}
button.primary:hover {
  opacity: 0.93;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}
button.primary:active { transform: translateY(0); }
button.primary:disabled {
  background: #94a3b8;
  cursor: wait;
  box-shadow: none;
  transform: none;
}
.btn-icon { font-size: 16px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.btn-secondary:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.result-actions { display: flex; gap: 8px; }

.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--success);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.btn-add:hover {
  background: var(--success-dark);
  transform: translateY(-1px);
}
.action-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 16px;
}
.submit-area {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.submit-note {
  font-size: 12px;
  color: var(--text-muted);
}
.step-description {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* === セグメント行 === */
.segment-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.6fr auto;
  gap: 8px;
  align-items: end;
  padding: 14px;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.segment-row:hover {
  border-color: #c7d2fe;
  box-shadow: 0 2px 8px rgba(99,102,241,0.08);
}
.segment-row label {
  font-size: 12px;
  color: var(--text-secondary);
  gap: 4px;
}
.segment-row input,
.segment-row select {
  padding: 8px 10px;
  font-size: 13px;
}
.btn-remove {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-xs);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  height: 36px;
  transition: background var(--transition);
}
.btn-remove:hover { background: var(--danger-dark); }

/* === 個人別目標 === */
.persons-wrap {
  grid-column: 1 / -1;
  background: var(--bg-card);
  border: 1.5px dashed var(--border-input);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 8px;
}
.persons-wrap h5 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.persons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}
.person-item label {
  font-size: 12px;
  color: var(--text-muted);
  gap: 4px;
}
.person-item input {
  padding: 6px 8px;
  font-size: 13px;
}
.persons-summary {
  margin-top: 10px;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  background: var(--bg-subtle);
  color: var(--text-secondary);
}
.persons-summary.ok    { background: var(--success-light); color: #047857; }
.persons-summary.warn  { background: var(--warning-light); color: #92400e; }
.btn-redistribute {
  background: #6366f1;
  color: #fff;
  border: none;
  border-radius: var(--radius-xs);
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-redistribute:hover { background: #4f46e5; }

/* === 出力エリア === */
.output {
  background: var(--bg-subtle);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
}

/* === 結果ブロック === */
.segment-block {
  border-left: 4px solid var(--accent);
  background: var(--accent-light);
  padding: 14px 18px;
  margin: 14px 0;
  border-radius: var(--radius-xs);
}
.segment-block h4 {
  margin: 0 0 10px;
  color: #6d28d9;
  font-size: 16px;
  font-weight: 700;
}
.segment-block h5 {
  margin: 10px 0 6px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 700;
}
.total-block {
  border-left: 4px solid var(--warning);
  background: var(--warning-light);
  padding: 14px 18px;
  margin: 14px 0;
  border-radius: var(--radius-xs);
}
.total-block h4 {
  margin: 0 0 10px;
  color: #b45309;
  font-size: 16px;
  font-weight: 700;
}
.total-block h5 {
  margin: 10px 0 6px;
  font-size: 13px;
  color: #92400e;
  font-weight: 700;
}
.kpi-item {
  border-bottom: 1px dashed var(--border);
  padding: 9px 0;
  line-height: 1.6;
}
.kpi-item:last-child { border: none; }

/* リスクノート */
.risk-note {
  background: #fef2f2;
  border-left: 3px solid var(--danger);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  color: #b91c1c;
  margin-top: 10px;
}
/* 次のステップアドバイス */
.next-advice {
  background: #eff6ff;
  border-left: 3px solid var(--primary);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  color: var(--primary-dark);
  margin-top: 10px;
}

/* ============================================================
   ローディングオーバーレイ
   ============================================================ */
.loading-overlay {
  display: none; /* ← デフォルトは非表示（hiddenに頼らない） */
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.loading-overlay.is-active {
  display: flex; /* ← JS側でこのクラスを付与したときだけ表示 */
}
.loading-box {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px 48px;
  text-align: center;
  box-shadow: 0 25px 50px rgba(0,0,0,0.2);
}
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--primary-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-box p {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.loading-box small { font-size: 12px; color: var(--text-muted); }

/* ============================================================
   トースト通知
   ============================================================ */
.toast {
  display: none; /* ← デフォルトは非表示 */
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--text-primary);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 9998;
  animation: slideUp 0.3s ease;
}
.toast.is-active {
  display: block; /* ← JS側でこのクラスを付与したときだけ表示 */
}
.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === フッター === */
.site-footer {
  background: var(--text-primary);
  color: #94a3b8;
  text-align: center;
  padding: 28px 24px;
  font-size: 13px;
}
.footer-inner p { margin-bottom: 4px; }
.site-footer strong { color: #e2e8f0; }
.footer-note { font-size: 12px; opacity: 0.7; }

/* === レスポンシブ === */
@media (max-width: 720px) {
  .hero { padding: 44px 16px 60px; }
  .hero h1 { font-size: 28px; }
  .segment-row { grid-template-columns: 1fr 1fr; }
  .step-track { padding: 12px 8px; gap: 0; }
  .step-label { font-size: 10px; }
  .step-line { min-width: 12px; }
  .card { padding: 20px 16px; }
  .section-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .hero-badges { gap: 6px; }
  .badge { font-size: 11px; padding: 3px 10px; }
  .grid { grid-template-columns: 1fr; }
  .segment-row { grid-template-columns: 1fr; }
  .action-bar { flex-direction: column; }
  .btn-add { width: 100%; justify-content: center; }
  button.primary { width: 100%; justify-content: center; }
  .result-actions { flex-direction: column; }
  .btn-secondary { width: 100%; justify-content: center; }
  .toast { left: 16px; right: 16px; bottom: 16px; text-align: center; }
}

/* === 印刷スタイル === */
@media print {
  .hero, .step-indicator, .card:not(#kpiSection), .site-footer,
  #btnCopyResult, #btnPrintResult, .loading-overlay, .toast { display: none !important; }
  #kpiSection { display: block !important; box-shadow: none; }
  body { background: #fff; }
  .feedback-bar { display: none !important; }
}

/* ============================================================
   Closed Loop / フィードバック / 過去実績バッジ
   ============================================================ */

/* === STEP2 Closed Loop 案内文 === */
.loop-hint {
  background: var(--accent-light);
  border-left: 3px solid var(--accent);
  padding: 9px 14px;
  border-radius: var(--radius-xs);
  font-size: 12.5px;
  color: #6d28d9;
  line-height: 1.6;
  margin: 4px 0 14px;
}
.loop-hint strong { color: #5b21b6; }

/* === 業種行の過去実績バッジ（グリッド全幅） === */
.seg-stats-badge {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}
.seg-stats-badge:empty { display: none; }

.stats-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.stats-badge.stats-high  { background: var(--success-light); color: #047857; border-color: #a7f3d0; }
.stats-badge.stats-mid   { background: var(--primary-light); color: var(--primary-dark); border-color: #bfdbfe; }
.stats-badge.stats-low   { background: var(--warning-light); color: #92400e; border-color: #fde68a; }
.stats-badge.stats-empty { background: #f1f5f9; color: var(--text-muted); border-color: var(--border); }

/* === 過去実績を学習済みノート === */
.learning-note {
  background: var(--success-light);
  border-left: 3px solid var(--success);
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 12.5px;
  color: #047857;
  line-height: 1.6;
  margin-bottom: 10px;
}
.learning-note b { color: #065f46; }

/* === フィードバックバー（👍👎・承認/却下） === */
.feedback-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.feedback-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 2px;
}
.btn-feedback {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-input);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-feedback:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}
.btn-feedback.btn-approve:hover {
  border-color: var(--success);
  color: var(--success-dark);
  background: var(--success-light);
}
.btn-feedback.btn-reject:hover {
  border-color: var(--danger);
  color: var(--danger-dark);
  background: #fef2f2;
}
.btn-feedback:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
}
.feedback-thanks {
  font-size: 12px;
  font-weight: 700;
  color: var(--success-dark);
}

/* === フィードバック関連レスポンシブ === */
@media (max-width: 480px) {
  .feedback-bar { flex-direction: column; align-items: flex-start; }
  .btn-feedback { width: 100%; justify-content: center; }
  .seg-stats-badge { margin-top: 6px; }
}