:root {
  /* Colors */
  --bg: #070b19;
  --bg-rgb: 7, 11, 25;
  --sidebar-bg: rgba(13, 22, 43, 0.7);
  --card-bg: rgba(22, 34, 59, 0.6);
  --card-hover-bg: rgba(30, 47, 82, 0.8);
  --border: rgba(43, 67, 115, 0.4);
  --border-hover: rgba(0, 210, 255, 0.6);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  
  /* Accent Colors */
  --primary: #00d2ff;
  --primary-glow: rgba(0, 210, 255, 0.2);
  --secondary: #00f5a0;
  --accent-hover: #00b0d6;
  
  /* Status Colors */
  --green: #00f5a0;
  --red: #ff3366;
  --amber: #ffaa00;
  --gray: #64748b;
  
  /* Fonts */
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 210, 255, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(0, 245, 160, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2.5rem;
  letter-spacing: 0.5px;
}

.logo i {
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.logo span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-item:hover, .nav-item.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  background: rgba(0, 210, 255, 0.08);
  border-color: rgba(0, 210, 255, 0.2);
  color: var(--primary);
}

.nav-item i {
  font-size: 1.2rem;
  transition: var(--transition);
}

.nav-item.active i {
  filter: drop-shadow(0 0 6px var(--primary-glow));
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 2.5rem 3rem;
  min-width: 0; /* Prevents flex items from overflowing */
}

/* Header */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.page-title h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-title p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #00b8e6);
  color: #030712;
  box-shadow: 0 4px 14px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-icon {
  padding: 0.65rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* View Sections */
.view-section {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Grid */
.dashboard-summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.summary-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.summary-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.card-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.card-icon-wrapper.cyan { background: rgba(0, 210, 255, 0.1); color: var(--primary); }
.card-icon-wrapper.green { background: rgba(0, 245, 160, 0.1); color: var(--secondary); }
.card-icon-wrapper.red { background: rgba(255, 51, 102, 0.1); color: var(--red); }
.card-icon-wrapper.amber { background: rgba(255, 170, 0, 0.1); color: var(--amber); }

.card-info h3 {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-info .value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 0.15rem;
}

/* Main Dashboard Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.dashboard-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.panel-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.panel-header h2 i {
  color: var(--primary);
}

/* Watchlist Cards Grid */
.stock-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stock-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stock-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gray);
  transition: var(--transition);
}

.stock-card.strong::before { background: var(--green); }
.stock-card.moderate::before { background: var(--amber); }
.stock-card.weak::before { background: var(--red); }
.stock-card.reversal::before { background: #d946ef; } /* purple for reversal risk */

.stock-card:hover {
  background: var(--card-hover-bg);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 210, 255, 0.05);
}

.stock-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.stock-card-meta {
  display: flex;
  flex-direction: column;
}

.stock-symbol {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.stock-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stock-price-block {
  text-align: right;
}

.stock-price {
  font-size: 1.15rem;
  font-weight: 700;
}

.stock-change {
  font-size: 0.8rem;
  font-weight: 600;
}

.stock-change.up { color: var(--green); }
.stock-change.down { color: var(--red); }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  border: 1px solid transparent;
}

.badge.strong { background: rgba(0, 245, 160, 0.1); color: var(--green); border-color: rgba(0, 245, 160, 0.2); }
.badge.moderate { background: rgba(255, 170, 0, 0.1); color: var(--amber); border-color: rgba(255, 170, 0, 0.2); }
.badge.weak { background: rgba(255, 51, 102, 0.1); color: var(--red); border-color: rgba(255, 51, 102, 0.2); }
.badge.reversal { background: rgba(217, 70, 239, 0.1); color: #d946ef; border-color: rgba(217, 70, 239, 0.2); }
.badge.neutral { background: rgba(100, 116, 139, 0.1); color: var(--gray); border-color: rgba(100, 116, 139, 0.2); }

.stock-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.stat-value.up { color: var(--green); }
.stat-value.down { color: var(--red); }

/* Table Styling */
.table-container {
  overflow-x: auto;
  margin-top: 0.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

th {
  background: rgba(13, 22, 43, 0.5);
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

th:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

th i {
  margin-left: 0.25rem;
  font-size: 0.7rem;
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-variant-numeric: tabular-nums;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Charts Container */
.chart-container {
  min-height: 380px;
  background: rgba(13, 22, 43, 0.3);
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-top: 1rem;
  padding: 0.5rem;
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* 中央寄せはローディング/エラー時のみ */
.chart-container.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Plotly が描画する内部要素を確実に親幅に追従させる */
.chart-container > .plotly,
.chart-container > .plot-container,
.chart-container .js-plotly-plot,
.chart-container .js-plotly-plot .plot-container,
.chart-container .js-plotly-plot .svg-container {
  width: 100% !important;
}
.chart-container .js-plotly-plot {
  min-height: 360px;
}

.chart-header-tabs {
  display: flex;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.chart-tab {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}

.chart-tab.active {
  background: var(--primary);
  color: #030712;
  font-weight: 600;
}

/* Report Editor */
.report-editor-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.editor-pane, .preview-pane {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.editor-textarea {
  flex: 1;
  min-height: 450px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  color: var(--text);
  font-family: 'Fira Code', 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  resize: vertical;
  line-height: 1.6;
  transition: var(--transition);
}

.editor-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.15);
}

.preview-box {
  flex: 1;
  min-height: 450px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  overflow-y: auto;
  color: var(--text);
  font-size: 0.95rem;
}

.preview-box h1 { font-size: 1.5rem; margin-bottom: 1.25rem; border-bottom: 2px solid var(--border); padding-bottom: 0.5rem; }
.preview-box h2 { font-size: 1.2rem; margin-top: 1.5rem; margin-bottom: 0.75rem; color: var(--primary); }
.preview-box h3 { font-size: 1rem; margin-top: 1rem; margin-bottom: 0.5rem; }
.preview-box p { margin-bottom: 1rem; color: #cbd5e1; }
.preview-box ul, .preview-box ol { margin-left: 1.5rem; margin-bottom: 1rem; color: #cbd5e1; }
.preview-box li { margin-bottom: 0.25rem; }
.preview-box table { margin: 1rem 0; width: 100%; border: 1px solid var(--border); }
.preview-box th, .preview-box td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
.preview-box blockquote { border-left: 4px solid var(--primary); padding-left: 1rem; color: var(--text-muted); margin: 1rem 0; font-style: italic; }

/* Settings Form elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 8px rgba(0, 210, 255, 0.15);
}

.input-helper {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.group-manager-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.group-manager-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.group-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.tag {
  background: rgba(0, 210, 255, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 210, 255, 0.2);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tag .remove-tag {
  cursor: pointer;
  color: var(--text-muted);
  font-weight: bold;
  transition: var(--transition);
}

.tag .remove-tag:hover {
  color: var(--red);
}

/* --- 並び替え (Sortable) 用スタイル --- */
.tag.sortable {
  cursor: grab;
  user-select: none;
}
.tag.sortable:active { cursor: grabbing; }
.tag .grip {
  cursor: grab;
  color: var(--text-muted);
  opacity: 0.6;
  font-size: 0.7rem;
  line-height: 1;
  letter-spacing: -1px;
}
.tag .grip:hover { opacity: 1; color: var(--primary); }

.tag .reorder-btn {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 0 0.15rem;
  line-height: 1;
  transition: var(--transition);
}
.tag .reorder-btn:hover { color: var(--primary); }

.sortable-ghost {
  opacity: 0.35;
  background: rgba(0, 210, 255, 0.25) !important;
  border-style: dashed !important;
}
.sortable-chosen { box-shadow: 0 0 0 2px var(--primary); }
.sortable-drag { cursor: grabbing !important; }

.group-manager-item .group-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  padding: 0.35rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  margin-right: 0.35rem;
}
.group-manager-item .group-drag-handle:hover {
  color: var(--primary);
  background: rgba(0, 210, 255, 0.08);
}
.group-manager-item.sortable-ghost {
  opacity: 0.4;
  background: rgba(0, 210, 255, 0.05) !important;
  border-style: dashed !important;
}

/* Archive list styling */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.archive-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.archive-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 210, 255, 0.05);
}

.archive-card-date {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.archive-card-summary {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 4.2em;
}

.archive-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
  display: flex;
  justify-content: space-between;
}

.archive-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Modal and Overlays */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 11, 25, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(0, 210, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.5px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  border-left: 4px solid var(--primary);
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
.toast.warning { border-left-color: var(--amber); }

/* ======================================================
   Hamburger menu + Mobile sidebar drawer (always present,
   visibility controlled per media query below)
====================================================== */
.hamburger-btn {
  display: none;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hamburger-btn:hover { color: var(--primary); }
.hamburger-btn i { width: 22px; height: 22px; }

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.sidebar-backdrop.open {
  display: block;
  opacity: 1;
}

/* ===========================================
   Tablet — collapse sidebar to icon strip
============================================ */
@media (max-width: 1024px) {
  .sidebar {
    width: 80px;
    padding: 1.5rem 0.5rem;
    align-items: center;
  }

  .logo span { display: none; }
  .logo { margin-bottom: 2rem; justify-content: center; }

  .nav-item {
    justify-content: center;
    padding: 0.85rem;
    width: 48px;
    height: 48px;
  }

  .nav-item span { display: none; }

  .main-content {
    margin-left: 80px;
    padding: 2rem;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .report-editor-container {
    grid-template-columns: 1fr;
  }
}

/* ===========================================
   Phone — full hamburger drawer mode
============================================ */
@media (max-width: 768px) {
  .hamburger-btn { display: inline-flex; }

  .sidebar {
    width: 240px;
    padding: 4rem 1rem 1.5rem;
    align-items: stretch;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    will-change: transform;
  }
  .sidebar.open { transform: translateX(0); }

  /* Drawer 表示時はラベル復活 */
  .sidebar .logo,
  .sidebar .logo span,
  .sidebar .nav-item,
  .sidebar .nav-item span {
    display: revert;
  }
  .sidebar .logo { display: flex; margin-bottom: 2rem; }
  .sidebar .nav-item { width: auto; height: auto; padding: 0.85rem 1rem; justify-content: flex-start; }

  .main-content {
    margin-left: 0;
    padding: 4rem 1rem 1.5rem;
  }

  .top-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  .page-title h1 { font-size: 1.4rem; }
  .page-title p { font-size: 0.85rem; }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .dashboard-summary-cards { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .summary-card { padding: 0.75rem; }
  .card-icon-wrapper { width: 36px; height: 36px; }
  .summary-card h3 { font-size: 0.75rem; }
  .summary-card .value { font-size: 1.1rem; }

  .panel { padding: 1rem; border-radius: 12px; }
  .panel-header { flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
  .panel-header h2 { font-size: 1rem; }

  .chart-header-tabs { flex-wrap: wrap; }
  .chart-tab { padding: 0.35rem 0.65rem; font-size: 0.75rem; }

  .stock-cards-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .chart-container { min-height: 300px; }

  /* テーブルは横スクロール可能に */
  .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { font-size: 0.8rem; }
  th, td { padding: 0.4rem 0.5rem; }

  /* グループ管理画面のボタン群を縮小 */
  .group-title-row { flex-wrap: wrap; gap: 0.3rem; }
  .group-manager-item { padding: 0.85rem; }

  /* タッチターゲット最小 44px の確保 */
  .btn { min-height: 40px; }
  .tag .reorder-btn,
  .tag .remove-tag { padding: 0.15rem 0.35rem; min-width: 22px; text-align: center; }

  .report-editor-container { gap: 1rem; }
  .editor-textarea { min-height: 240px; }
}

/* ===========================================
   Small phone — even tighter
============================================ */
@media (max-width: 480px) {
  .main-content { padding: 4rem 0.75rem 1rem; }
  .page-title h1 { font-size: 1.2rem; }
  .dashboard-summary-cards { grid-template-columns: 1fr; }
  .btn { padding: 0.55rem 0.9rem; font-size: 0.85rem; }
  .panel { padding: 0.85rem; }
  .stock-card { padding: 1rem; }
}