@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=swap');

:root {
  --md-primary: #003178;
  --md-primary-light: #1565C0;
  --md-primary-dark: #001a45;
  --md-primary-container: #dce8ff;
  --md-primary-gradient: linear-gradient(135deg, #003178, #0d47a1);
  --md-on-primary: #FFFFFF;
  --md-on-primary-container: #001D36;
  --md-secondary: #546E7A;
  --md-secondary-container: #CFE5FF;
  --md-tertiary: #6D5E0F;
  --md-error: #B00020;
  --md-error-container: #FFDAD6;
  --md-on-error: #FFFFFF;
  --md-surface: #fcf9f8;
  --md-surface-dim: #e5e2e1;
  --md-surface-container: #ffffff;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #f6f3f2;
  --md-surface-container-high: #e5e2e1;
  --md-on-surface: #1b1c1c;
  --md-on-surface-variant: #434652;
  --md-outline: #6e7180;
  --md-outline-variant: #c3c6d4;
  --md-success: #2E7D32;
  --md-success-container: #C8E6C9;
  --md-warning: #E65100;
  --md-warning-container: #FFE0B2;
  --md-shadow-1: 0 1px 4px rgba(0,49,120,0.08), 0 1px 2px rgba(0,49,120,0.06);
  --md-shadow-2: 0 3px 8px rgba(0,49,120,0.10), 0 2px 4px rgba(0,49,120,0.07);
  --md-shadow-3: 0 6px 16px rgba(0,49,120,0.12), 0 3px 6px rgba(0,49,120,0.08);
  --md-shadow-float: 0 12px 32px rgba(0,49,120,0.08);
  --md-radius-xs: 4px;
  --md-radius-sm: 8px;
  --md-radius-md: 12px;
  --md-radius-lg: 16px;
  --md-radius-xl: 28px;
  --md-radius-full: 9999px;
  --md-elevation-1: 0 1px 4px rgba(0,49,120,0.08), 0 1px 2px rgba(0,49,120,0.06);
  --md-elevation-2: 0 3px 8px rgba(0,49,120,0.10), 0 2px 4px rgba(0,49,120,0.07);
  --md-elevation-3: 0 6px 16px rgba(0,49,120,0.12), 0 3px 6px rgba(0,49,120,0.08);
  --md-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Public Sans', 'Noto Sans JP', -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

.md-top-app-bar {
  background: rgba(0, 49, 120, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--md-on-primary);
  padding: 0 16px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--md-shadow-float);
  position: sticky;
  top: 0;
  z-index: 100;
}
.md-top-app-bar .md-icon-btn {
  color: var(--md-on-primary);
}
.md-top-app-bar-title {
  font-size: 22px;
  font-weight: 700;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.md-top-app-bar-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}

.md-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--md-on-surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--md-transition);
  padding: 0;
  position: relative;
  overflow: hidden;
}
.md-icon-btn:hover {
  background: rgba(0,0,0,0.08);
}
.md-icon-btn:active {
  background: rgba(0,0,0,0.12);
}

.md-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--md-radius-xl);
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: all var(--md-transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  min-height: 48px;
}
.md-btn .material-symbols-outlined {
  font-size: 20px;
}
.md-btn-filled {
  background: var(--md-primary-gradient);
  color: var(--md-on-primary);
}
.md-btn-filled:hover {
  box-shadow: var(--md-shadow-2);
  filter: brightness(1.10);
}
.md-btn-filled:active {
  filter: brightness(0.90);
}
.md-btn-filled:focus-visible {
  outline: 2px solid var(--md-primary-light);
  outline-offset: 2px;
}
.md-btn-filled.md-btn-error {
  background: var(--md-error);
}
.md-btn-filled.md-btn-success {
  background: var(--md-success);
}
.md-btn-outlined {
  background: transparent;
  color: var(--md-primary);
  border: 1px solid var(--md-outline);
}
.md-btn-outlined:hover {
  background: rgba(0, 49, 120, 0.07);
}
.md-btn-text {
  background: transparent;
  color: var(--md-primary);
  padding: 10px 12px;
}
.md-btn-text:hover {
  background: rgba(0, 49, 120, 0.07);
}
.md-btn-tonal,
.md-btn-filled-tonal {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}
.md-btn-tonal:hover,
.md-btn-filled-tonal:hover {
  box-shadow: var(--md-shadow-1);
}
.md-btn:disabled {
  background: rgba(28, 27, 31, 0.12);
  color: rgba(28, 27, 31, 0.38);
  cursor: not-allowed;
  box-shadow: none;
}
.md-btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  min-height: 40px;
}

.md-fab {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  border: none;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  box-shadow: var(--md-shadow-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--md-transition);
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
}
.md-fab:hover {
  box-shadow: 0 8px 20px rgba(0,49,120,0.20);
}

.md-card {
  background: var(--md-surface-container);
  border-radius: var(--md-radius-md);
  box-shadow: var(--md-shadow-1);
  overflow: hidden;
  transition: box-shadow var(--md-transition);
}
.md-card-elevated {
  box-shadow: var(--md-shadow-2);
}
.md-card-elevated:hover {
  box-shadow: var(--md-shadow-3);
}
.md-card-outlined {
  box-shadow: none;
  background: var(--md-surface-container-low);
}
.md-card-header {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.md-card-header-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--md-primary-container);
  color: var(--md-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.md-card-header-text {
  flex: 1;
}
.md-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--md-on-surface);
  margin: 0;
}
.md-card-subtitle {
  font-size: 13px;
  color: var(--md-on-surface-variant);
  margin: 2px 0 0 0;
}
.md-card-content {
  padding: 0 16px 16px;
}
.md-card-actions {
  padding: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.md-card-clickable {
  cursor: pointer;
  transition: all var(--md-transition);
}
.md-card-clickable:hover {
  box-shadow: var(--md-shadow-3);
  transform: translateY(-2px);
}
.md-card-clickable:active {
  transform: translateY(0);
}

.md-text-field {
  margin-bottom: 16px;
}
.md-text-field label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  margin-bottom: 6px;
}
.md-text-field input,
.md-text-field textarea,
.md-text-field select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--md-on-surface);
  background: var(--md-surface);
  outline: none;
  transition: border-color var(--md-transition), box-shadow var(--md-transition);
}
.md-text-field textarea {
  min-height: 80px;
  resize: vertical;
}
.md-text-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2349454F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.md-text-field input:focus,
.md-text-field textarea:focus,
.md-text-field select:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 1px var(--md-primary);
}
.md-text-field-label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  margin-bottom: 6px;
}
.md-text-field-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--md-on-surface);
  background: var(--md-surface);
  outline: none;
  transition: border-color var(--md-transition);
}
.md-text-field-input:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 1px var(--md-primary);
}
textarea.md-text-field-input {
  min-height: 80px;
  resize: vertical;
}
select.md-text-field-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2349454F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}
.md-text-field .md-helper {
  font-size: 12px;
  color: var(--md-on-surface-variant);
  margin-top: 4px;
  padding: 0 16px;
}
.md-text-field.md-error input,
.md-text-field.md-error textarea {
  border-color: var(--md-error);
}
.md-text-field.md-error label {
  color: var(--md-error);
}

.md-text-field-dense input,
.md-text-field-dense textarea,
.md-text-field-dense select {
  padding: 8px 10px;
  font-size: 14px;
}
.md-text-field-dense label {
  font-size: 14px;
}

.md-tabs {
  display: flex;
  background: var(--md-surface-container);
  border-bottom: 1px solid var(--md-outline-variant);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.md-tab {
  flex: 1;
  min-width: 90px;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--md-on-surface-variant);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  transition: color var(--md-transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.md-tab:hover {
  color: var(--md-primary);
  background: rgba(0, 49, 120, 0.05);
}
.md-tab.active {
  color: var(--md-primary);
}
.md-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  height: 3px;
  background: var(--md-primary);
  border-radius: 3px 3px 0 0;
}
.md-tab .material-symbols-outlined {
  font-size: 20px;
}

.md-tab-content {
  display: none;
  padding: 24px;
}
.md-tab-content.active {
  display: block;
}

.md-table-container {
  overflow-x: auto;
  border-radius: var(--md-radius-md);
  background: var(--md-surface-container);
  box-shadow: var(--md-shadow-1);
}
.md-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.md-table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  background: var(--md-surface-container-low);
  border-bottom: 1px solid var(--md-outline-variant);
  white-space: nowrap;
}
.md-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
}
.md-table tr:last-child td {
  border-bottom: none;
}
.md-table tr:hover td {
  background: rgba(0, 49, 120, 0.04);
}

.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  white-space: nowrap;
}
.md-chip-filled {
  border: none;
}
.md-chip-primary {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: transparent;
}
.md-chip-error {
  background: var(--md-error-container);
  color: var(--md-error);
  border-color: transparent;
}
.md-chip-success {
  background: var(--md-success-container);
  color: var(--md-success);
  border-color: transparent;
}
.md-chip-warning {
  background: var(--md-warning-container);
  color: var(--md-warning);
  border-color: transparent;
}

.md-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  background: var(--md-error);
  color: var(--md-on-error);
}

.md-dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--md-transition);
}
.md-dialog-overlay.open {
  opacity: 1;
  visibility: visible;
}
.md-dialog {
  background: var(--md-surface-container);
  border-radius: var(--md-radius-xl);
  padding: 24px;
  max-width: 560px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--md-shadow-float);
  transform: scale(0.9);
  transition: transform var(--md-transition);
}
.md-dialog-overlay.open .md-dialog {
  transform: scale(1);
}
.md-dialog-icon {
  text-align: center;
  margin-bottom: 16px;
  color: var(--md-primary);
}
.md-dialog-icon .material-symbols-outlined {
  font-size: 32px;
}
.md-dialog-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--md-on-surface);
  margin: 0 0 16px;
  text-align: center;
}
.md-dialog-body {
  font-size: 14px;
  color: var(--md-on-surface-variant);
  line-height: 1.5;
  margin-bottom: 24px;
}
.md-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.md-dialog-full {
  max-width: 720px;
  width: 95%;
}

.md-snackbar-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  pointer-events: none;
}
.md-snackbar {
  background: #323232;
  color: #fff;
  padding: 14px 16px;
  border-radius: var(--md-radius-xs);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--md-shadow-float);
  min-width: 280px;
  max-width: 560px;
  pointer-events: auto;
  animation: md-snackbar-in 200ms ease-out;
}
.md-snackbar.hiding {
  animation: md-snackbar-out 150ms ease-in forwards;
}
.md-snackbar-success {
  background: var(--md-success);
}
.md-snackbar-error {
  background: var(--md-error);
}
.md-snackbar-warning {
  background: var(--md-warning);
}
.md-snackbar-text {
  flex: 1;
}
.md-snackbar-action {
  color: var(--md-primary-container);
  background: none;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}
.md-snackbar-action:hover {
  background: rgba(255,255,255,0.12);
}
@keyframes md-snackbar-in {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes md-snackbar-out {
  from { transform: translateY(0); opacity: 1; }
  to { transform: translateY(100%); opacity: 0; }
}

.md-progress-linear {
  width: 100%;
  height: 4px;
  background: var(--md-primary-container);
  border-radius: 2px;
  overflow: hidden;
}
.md-progress-linear-bar {
  height: 100%;
  background: var(--md-primary);
  border-radius: 2px;
  animation: md-progress-indeterminate 2s infinite linear;
}
@keyframes md-progress-indeterminate {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; margin-left: 20%; }
  100% { width: 0%; margin-left: 100%; }
}

.md-progress-circular {
  width: 40px;
  height: 40px;
  animation: md-spinner-rotate 1.4s linear infinite;
}
.md-progress-circular circle {
  stroke: var(--md-primary);
  stroke-dasharray: 80, 200;
  stroke-dashoffset: 0;
  animation: md-spinner-dash 1.4s ease-in-out infinite;
  stroke-linecap: round;
}
@keyframes md-spinner-rotate {
  100% { transform: rotate(360deg); }
}
@keyframes md-spinner-dash {
  0% { stroke-dasharray: 1, 200; stroke-dashoffset: 0; }
  50% { stroke-dasharray: 100, 200; stroke-dashoffset: -15; }
  100% { stroke-dasharray: 100, 200; stroke-dashoffset: -120; }
}

.md-divider {
  border: none;
  border-top: 1px solid var(--md-outline-variant);
  margin: 16px 0;
}

.md-grid {
  display: grid;
  gap: 16px;
}
.md-grid-2 { grid-template-columns: repeat(2, 1fr); }
.md-grid-3 { grid-template-columns: repeat(3, 1fr); }
.md-grid-4 { grid-template-columns: repeat(4, 1fr); }

.md-stat-card {
  background: var(--md-surface-container);
  border-radius: var(--md-radius-md);
  padding: 20px;
  box-shadow: var(--md-shadow-1);
}
.md-stat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.md-stat-value {
  font-size: 28px;
  font-weight: 500;
  color: var(--md-on-surface);
}
.md-stat-icon {
  float: right;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--md-primary-container);
  color: var(--md-primary);
}

.md-empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--md-on-surface-variant);
}
.md-empty-state .material-symbols-outlined {
  font-size: 64px;
  opacity: 0.4;
  margin-bottom: 16px;
}
.md-empty-state p {
  font-size: 16px;
  margin: 0;
}

.md-page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
}

.md-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--md-on-surface);
  margin: 24px 0 12px;
}

.md-switch-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.md-tooltip {
  position: relative;
}
.md-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--md-on-surface);
  color: var(--md-surface);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-transition);
}
.md-tooltip:hover::after {
  opacity: 1;
}

.md-form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.md-form-row > .md-text-field {
  flex: 1;
  min-width: 200px;
}

.md-module-card {
  cursor: pointer;
  transition: all var(--md-transition);
  text-align: center;
  padding: 24px 16px;
}
.md-module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--md-shadow-3);
}
.md-module-card .md-module-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 28px;
}
.md-module-card .md-module-icon .material-symbols-outlined {
  font-size: 28px;
}
.md-module-card .md-module-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--md-on-surface);
  margin-bottom: 4px;
}
.md-module-card .md-module-desc {
  font-size: 13px;
  color: var(--md-on-surface-variant);
}
.md-module-card.md-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.md-module-card.md-disabled:hover {
  transform: none;
  box-shadow: var(--md-shadow-1);
}

.gemini-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  border: none;
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-shadow-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  transition: all var(--md-transition);
}
.gemini-fab:hover {
  box-shadow: 0 8px 24px rgba(0,49,120,0.32);
  transform: scale(1.05);
}
.gemini-fab .material-symbols-outlined { font-size: 28px; }

.gemini-panel {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  max-height: 100vh;
  background: var(--md-surface-container);
  box-shadow: -4px 0 32px rgba(0,49,120,0.12), var(--md-shadow-float);
  z-index: 950;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
.gemini-panel.open { transform: translateX(0); }

.gemini-panel-header {
  background: var(--md-primary);
  color: var(--md-on-primary);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.gemini-panel-header-title {
  flex: 1;
  font-size: 16px;
  font-weight: 500;
}
.gemini-panel-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--md-on-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--md-transition);
}
.gemini-panel-close:hover { background: rgba(255,255,255,0.16); }

.gemini-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gemini-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}
.gemini-msg-user {
  align-self: flex-end;
  background: var(--md-primary);
  color: var(--md-on-primary);
  border-bottom-right-radius: 4px;
}
.gemini-msg-ai {
  align-self: flex-start;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  border-bottom-left-radius: 4px;
}
.gemini-msg-ai p { margin: 0 0 8px; }
.gemini-msg-ai p:last-child { margin-bottom: 0; }
.gemini-msg-ai ul, .gemini-msg-ai ol { margin: 4px 0; padding-left: 20px; }
.gemini-msg-ai strong { font-weight: 600; }
.gemini-msg-ai code {
  background: rgba(0,0,0,0.06);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 13px;
}

.gemini-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.gemini-source-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}
.gemini-source-chip .material-symbols-outlined { font-size: 14px; }

.gemini-typing {
  align-self: flex-start;
  padding: 12px 16px;
  background: var(--md-surface-container-high);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
  align-items: center;
}
.gemini-typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--md-on-surface-variant);
  opacity: 0.4;
  animation: gemini-bounce 1.4s infinite ease-in-out;
}
.gemini-typing-dot:nth-child(2) { animation-delay: 0.16s; }
.gemini-typing-dot:nth-child(3) { animation-delay: 0.32s; }
@keyframes gemini-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.gemini-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--md-outline-variant);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
  background: var(--md-surface-container);
}
.gemini-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: 24px;
  font-family: inherit;
  font-size: 14px;
  color: var(--md-on-surface);
  background: var(--md-surface);
  outline: none;
  resize: none;
  max-height: 120px;
  line-height: 1.4;
  transition: border-color var(--md-transition);
}
.gemini-input:focus { border-color: var(--md-primary); }
.gemini-input::placeholder { color: var(--md-on-surface-variant); }
.gemini-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--md-primary);
  color: var(--md-on-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--md-transition);
  flex-shrink: 0;
}
.gemini-send-btn:hover { box-shadow: var(--md-shadow-1); filter: brightness(1.08); }
.gemini-send-btn:disabled { background: var(--md-outline-variant); cursor: not-allowed; }
.gemini-send-btn .material-symbols-outlined { font-size: 20px; }

.gemini-welcome {
  text-align: center;
  padding: 32px 24px;
  color: var(--md-on-surface-variant);
}
.gemini-welcome .material-symbols-outlined { font-size: 48px; opacity: 0.5; margin-bottom: 12px; }
.gemini-welcome h3 { font-size: 16px; font-weight: 500; color: var(--md-on-surface); margin: 0 0 8px; }
.gemini-welcome p { font-size: 13px; margin: 0 0 16px; line-height: 1.5; }
.gemini-suggestions { display: flex; flex-direction: column; gap: 6px; }
.gemini-suggestion {
  padding: 8px 14px;
  border: 1px solid var(--md-outline-variant);
  border-radius: 20px;
  background: transparent;
  color: var(--md-primary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--md-transition);
  text-align: left;
}
.gemini-suggestion:hover {
  background: rgba(0,49,120,0.07);
  border-color: var(--md-primary);
}

.gemini-panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.32);
  z-index: 940;
  opacity: 0;
  visibility: hidden;
  transition: all var(--md-transition);
}
.gemini-panel-overlay.open { opacity: 1; visibility: visible; }

@media (max-width: 768px) {
  .md-top-app-bar { height: 56px; }
  .md-top-app-bar-title { font-size: 20px; }
  .md-grid-2, .md-grid-3, .md-grid-4 { grid-template-columns: 1fr; }
  .md-dialog { width: 95%; padding: 20px; }
  .md-form-row { flex-direction: column; }
  .md-form-row > .md-text-field { min-width: 100%; }
  .md-page-content { padding: 16px 12px; }
  .md-tab { font-size: 13px; padding: 10px 8px; }
  .md-snackbar { min-width: 240px; }
  .gemini-panel { width: 100%; }
  .gemini-fab { bottom: 16px; right: 16px; }
}

@media (max-width: 600px) {
  .md-grid-2 { grid-template-columns: 1fr; }
  .md-stat-value { font-size: 22px; }
  .md-table th, .md-table td { padding: 8px 12px; font-size: 14px; }
}

/* ─── 説明モード ─── */
.explain-mode-fab {
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: none;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface-variant);
  box-shadow: var(--md-shadow-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 890;
  transition: all var(--md-transition);
  flex-direction: column;
  gap: 1px;
}
.explain-mode-fab:hover {
  box-shadow: var(--md-shadow-3);
  background: var(--md-surface-container-high);
  transform: scale(1.05);
}
.explain-mode-fab.active {
  background: #fff8e1;
  color: #e65100;
  box-shadow: 0 4px 16px rgba(230, 81, 0, 0.28);
  border: 1.5px solid #e65100;
}
.explain-mode-fab .material-symbols-outlined { font-size: 22px; }
.explain-mode-fab-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .3px;
  line-height: 1;
}

.explain-mode-active [data-explain] {
  cursor: help !important;
  outline: 1.5px dashed rgba(230, 81, 0, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}
.explain-mode-active [data-explain]:hover {
  outline-color: #e65100;
  background-color: rgba(230, 81, 0, 0.06) !important;
}

.explain-tooltip {
  position: fixed;
  background: #1c1b1f;
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
  max-width: 300px;
  min-width: 200px;
  z-index: 9999;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.32);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  word-break: break-word;
}
.explain-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}
.explain-tooltip-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 12px;
  color: #ffa726;
  letter-spacing: .3px;
}
.explain-tooltip-header .material-symbols-outlined { font-size: 14px; }
.explain-tooltip-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
}
.explain-tooltip-dots {
  display: flex;
  gap: 3px;
}
.explain-tooltip-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  animation: explain-bounce 1.2s infinite ease-in-out;
}
.explain-tooltip-dot:nth-child(2) { animation-delay: 0.16s; }
.explain-tooltip-dot:nth-child(3) { animation-delay: 0.32s; }
@keyframes explain-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.explain-mode-banner {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  background: #e65100;
  color: #fff;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  z-index: 880;
  box-shadow: var(--md-shadow-2);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}
.explain-mode-banner.visible { opacity: 1; }
.explain-mode-banner .material-symbols-outlined { font-size: 15px; }

@media (max-width: 768px) {
  .explain-mode-fab { bottom: 84px; right: 16px; }
  .explain-tooltip { max-width: 260px; }
}

/* ─── ヘルプマーク ─── */
.md-help-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--md-secondary-container, #e8eaf6);
  color: var(--md-on-secondary-container, #1a237e);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  margin-left: 5px;
  vertical-align: middle;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s, transform 0.1s;
  line-height: 1;
  font-family: inherit;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}
.md-help-mark:hover, .md-help-mark:focus-visible {
  background: var(--md-primary, #1a73e8);
  color: #fff;
  transform: scale(1.2);
  outline: none;
}
.md-help-mark:active {
  transform: scale(0.9);
}

.md-help-tooltip-popup {
  position: fixed;
  z-index: 9800;
  background: #1c1c1e;
  color: #f2f2f7;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.6;
  max-width: 300px;
  min-width: 140px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.18);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  word-break: break-word;
}
.md-help-tooltip-popup.visible {
  opacity: 1;
}
@media (max-width: 768px) {
  .md-help-tooltip-popup { max-width: 240px; font-size: 12px; }
}