/* =============================================
   T4E AIサポートセンター — 共通デザインシステム
   ============================================= */

:root {
  --primary: #1a56db;
  --primary-dark: #1240a0;
  --primary-light: #e8f0fe;
  --secondary: #0e9f6e;
  --secondary-dark: #057a55;
  --accent: #ff5a1f;
  --corporate: #1a56db;
  --financial: #0e9f6e;
  --admin: #d97706;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --danger: #e02424;
  --warning: #c27803;
  --success: #057a55;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --transition: .2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* ── ボタン ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary   { background: var(--primary);   color: #fff; }
.btn-primary:hover   { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-dark); }
.btn-outline   { background: transparent; border-color: var(--gray-300); color: var(--gray-700); }
.btn-outline:hover   { background: var(--gray-100); }
.btn-danger    { background: var(--danger);  color: #fff; }
.btn-danger:hover    { background: #b91c1c; }
.btn-ghost     { background: transparent; border-color: transparent; color: var(--primary); }
.btn-ghost:hover     { background: var(--primary-light); }
.btn-sm  { padding: .35rem .8rem; font-size: .8rem; }
.btn-lg  { padding: .75rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: .5rem; }

/* ── カード ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.card-body { padding: 1.5rem; }

/* ── フォーム ── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: .4rem;
}
.form-control {
  width: 100%;
  padding: .6rem .9rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  background: #fff;
  color: var(--gray-800);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}
.form-control.error { border-color: var(--danger); }
.form-hint { font-size: .78rem; color: var(--gray-500); margin-top: .3rem; }
.form-error { font-size: .78rem; color: var(--danger); margin-top: .3rem; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 90px; }

/* ── バッジ ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.badge-blue    { background: #dbeafe; color: #1e40af; }
.badge-green   { background: #d1fae5; color: #065f46; }
.badge-amber   { background: #fef3c7; color: #92400e; }
.badge-red     { background: #fee2e2; color: #991b1b; }
.badge-gray    { background: var(--gray-100); color: var(--gray-600); }

/* ── アラート ── */
.alert {
  padding: .85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
}
.alert-info    { background: #dbeafe; color: #1e40af; border-left: 4px solid #3b82f6; }
.alert-success { background: #d1fae5; color: #065f46; border-left: 4px solid #10b981; }
.alert-warning { background: #fef3c7; color: #92400e; border-left: 4px solid #f59e0b; }
.alert-danger  { background: #fee2e2; color: #991b1b; border-left: 4px solid #ef4444; }

/* ── ヘッダー ── */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--gray-900);
  text-decoration: none;
}
.site-logo .logo-badge {
  background: var(--primary);
  color: #fff;
  padding: .15rem .5rem;
  border-radius: 4px;
  font-size: .75rem;
  font-weight: 700;
}
.header-role-badge {
  font-size: .78rem;
  font-weight: 700;
  padding: .2rem .7rem;
  border-radius: 999px;
}
.role-corporate { background: #dbeafe; color: #1e40af; }
.role-financial { background: #d1fae5; color: #065f46; }
.role-admin     { background: #fef3c7; color: #92400e; }

/* ── タブ ── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-200);
  background: #fff;
}
.tab-btn {
  padding: .85rem 1.4rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-500);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.tab-btn:hover { color: var(--gray-800); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── アコーディオン ── */
.accordion-item { border-bottom: 1px solid var(--gray-200); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
  transition: background var(--transition);
}
.accordion-trigger:hover { background: var(--gray-50); }
.accordion-trigger .chevron {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--gray-500);
  margin-top: .1rem;
}
.accordion-trigger.open .chevron { transform: rotate(180deg); }
.accordion-body {
  padding: 0 1.25rem 1rem;
  font-size: .875rem;
  color: var(--gray-600);
  line-height: 1.7;
  display: none;
}
.accordion-body.open { display: block; }

/* ── 検索 ── */
.search-wrapper {
  position: relative;
  max-width: 500px;
}
.search-wrapper .search-icon {
  position: absolute;
  left: .75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}
.search-wrapper input {
  padding-left: 2.5rem;
}

/* ── チャット UI ── */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 520px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.chat-msg {
  display: flex;
  gap: .6rem;
  max-width: 85%;
}
.chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg .avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.chat-msg.user .avatar   { background: var(--primary); color: #fff; }
.chat-msg.ai   .avatar   { background: var(--gray-200); color: var(--gray-700); }
.chat-bubble {
  padding: .65rem .9rem;
  border-radius: 12px;
  font-size: .875rem;
  line-height: 1.6;
  word-break: break-word;
}
.chat-msg.user .chat-bubble { background: var(--primary); color: #fff; border-bottom-right-radius: 4px; }
.chat-msg.ai   .chat-bubble { background: var(--gray-100); color: var(--gray-800); border-bottom-left-radius: 4px; }
.chat-typing-dot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.chat-typing-dot span {
  width: 6px;
  height: 6px;
  background: var(--gray-400);
  border-radius: 50%;
  animation: bounce .8s infinite;
}
.chat-typing-dot span:nth-child(2) { animation-delay: .1s; }
.chat-typing-dot span:nth-child(3) { animation-delay: .2s; }
@keyframes bounce { 0%,60%,100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }
.chat-input-row {
  display: flex;
  gap: .5rem;
  padding: .75rem;
  border-top: 1px solid var(--gray-200);
  background: #fff;
}
.chat-input-row input {
  flex: 1;
}
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding: .5rem .75rem;
  border-top: 1px solid var(--gray-100);
}
.chip {
  padding: .3rem .75rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid #c3d9fb;
  cursor: pointer;
  transition: background var(--transition);
}
.chip:hover { background: #c3d9fb; }

/* ── 参考資料カード ── */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.resource-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: box-shadow var(--transition);
}
.resource-card:hover { box-shadow: var(--shadow-md); }
.resource-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.resource-icon.video { background: #fee2e2; }
.resource-icon.audio { background: #fef3c7; }
.resource-icon.pdf   { background: #fee2e2; }
.resource-icon.image { background: #d1fae5; }
.resource-icon.link  { background: #dbeafe; }

/* ── テーブル ── */
.data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.data-table th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 700;
  padding: .65rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--gray-200);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.data-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: top;
}
.data-table tbody tr:hover { background: var(--gray-50); }

/* ── モーダル ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn .15s ease;
}
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s ease;
}
.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
}
.modal-body { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── ローディング ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── トースト ── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.toast {
  padding: .75rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 600;
  color: #fff;
  box-shadow: var(--shadow-md);
  animation: toastIn .25s ease;
  max-width: 340px;
}
.toast.success { background: #057a55; }
.toast.error   { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info    { background: var(--primary); }
@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── パスワード強度 ── */
.pw-strength-bar {
  height: 5px;
  border-radius: 999px;
  background: var(--gray-200);
  margin-top: .5rem;
  overflow: hidden;
}
.pw-strength-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .3s, background .3s;
}
.pw-req-list { list-style: none; margin-top: .5rem; }
.pw-req-list li { font-size: .78rem; color: var(--gray-500); display: flex; align-items: center; gap: .3rem; }
.pw-req-list li.ok { color: var(--secondary); }

/* ── ロール別アクセントカラー適用 ── */
body.role-corporate .accent { color: var(--corporate); }
body.role-corporate .btn-role { background: var(--corporate); color: #fff; }
body.role-corporate .tab-btn.active { color: var(--corporate); border-bottom-color: var(--corporate); }
body.role-financial .accent { color: var(--financial); }
body.role-financial .btn-role { background: var(--financial); color: #fff; }
body.role-financial .tab-btn.active { color: var(--financial); border-bottom-color: var(--financial); }

/* ── レイアウト ── */
.page-container { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem; }
.page-container.wide { max-width: 1300px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.sidebar-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; }

/* ── ランディング ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 2rem;
}
.hero-inner { text-align: center; max-width: 700px; }
.hero-logo { font-size: 2rem; font-weight: 900; color: #fff; margin-bottom: .5rem; }
.hero-logo span { color: #60a5fa; }
.hero-subtitle { color: #94a3b8; font-size: 1rem; margin-bottom: 2.5rem; }
.role-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.role-card {
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  color: #fff;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}
.role-card:hover { background: rgba(255,255,255,.14); transform: translateY(-3px); border-color: rgba(255,255,255,.35); text-decoration: none; }
.role-card .role-icon { font-size: 2.5rem; }
.role-card .role-title { font-weight: 800; font-size: 1.05rem; }
.role-card .role-desc { font-size: .8rem; color: #94a3b8; }

/* ── ステータス切り替え ── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot.green  { background: var(--secondary); }
.status-dot.red    { background: var(--danger); }
.status-dot.amber  { background: var(--accent); }

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .two-col, .sidebar-layout { grid-template-columns: 1fr; }
  .page-container { padding: 1.25rem 1rem; }
  .tabs { overflow-x: auto; }
  .tab-btn { padding: .7rem .9rem; font-size: .8rem; }
  .resource-grid { grid-template-columns: 1fr; }
  .data-table { font-size: .8rem; }
  .data-table th, .data-table td { padding: .5rem .6rem; }
  .role-cards { grid-template-columns: 1fr; }
  .hero-logo { font-size: 1.5rem; }
  .chat-container { height: 420px; }
}