/* STC PR 事業部管理システム - カスタムスタイル */

:root {
  --primary-blue: #2563eb;
  --primary-blue-dark: #1d4ed8;
  --primary-blue-light: #3b82f6;
  --secondary-gray: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-dark: #0f172a;
  --text-gray: #475569;
  --border-gray: #e2e8f0;
  --success-green: #10b981;
  --warning-yellow: #f59e0b;
  --danger-red: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
}

/* ロゴスタイル */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.logo img {
  height: 50px;
  width: 50px;
  object-fit: contain;
  border-radius: 50%;
}

/* ナビゲーションバー */
.navbar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-gray);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.navbar-link {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.navbar-link:hover {
  color: var(--primary-blue);
  background-color: var(--bg-light);
}

.navbar-link.active {
  color: var(--primary-blue);
  background-color: var(--bg-light);
}

/* カードスタイル */
.card {
  background: var(--bg-white);
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-gray);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ボタンスタイル */
.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary-gray);
  color: white;
}

.btn-secondary:hover {
  background-color: #475569;
}

.btn-success {
  background-color: var(--success-green);
  color: white;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
}

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: white;
}

/* プログレスバー */
.progress-bar {
  width: 100%;
  height: 2rem;
  background-color: var(--bg-light);
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgb(0 0 0 / 0.06);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
  transition: width 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
}

/* 統計カード */
.stat-card {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: white;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0.5rem 0;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* テーブルスタイル */
.table-container {
  overflow-x: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border-gray);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
}

thead {
  background-color: var(--bg-light);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  color: var(--text-dark);
  border-bottom: 2px solid var(--border-gray);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-gray);
  color: var(--text-gray);
}

tbody tr {
  transition: background-color 0.2s;
}

tbody tr:hover {
  background-color: var(--bg-light);
}

/* タスクリストの行の色分け */
tbody tr.status-completed {
  background-color: #f0fdf4;
}

tbody tr.assignee-1.status-not_started,
tbody tr.assignee-1.status-in_progress {
  background-color: #fff7ed;
}

tbody tr.assignee-2.status-not_started,
tbody tr.assignee-2.status-in_progress {
  background-color: #fef2f2;
}

tbody tr.joint-task.status-not_started,
tbody tr.joint-task.status-in_progress {
  background-color: #fefce8;
}

/* バッジスタイル */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-high {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-medium {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-low {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-completed {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-in-progress {
  background-color: #dbeafe;
  color: #1e40af;
}

.badge-not-started {
  background-color: #f3f4f6;
  color: #374151;
}

/* フォームスタイル */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-gray);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: var(--bg-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* モーダルスタイル */
/* モーダル基本スタイル */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--bg-white);
  border-radius: 1rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 2px solid var(--border-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-gray);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.modal-close:hover {
  background-color: var(--bg-gray);
  color: var(--text-dark);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.5rem;
  border-top: 2px solid var(--border-gray);
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

/* アラートスタイル */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border-left: 4px solid #10b981;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border-left: 4px solid #ef4444;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border-left: 4px solid #f59e0b;
}

.alert-info {
  background-color: #dbeafe;
  color: #1e40af;
  border-left: 4px solid #3b82f6;
}

/* ローディングスピナー */
.spinner {
  border: 3px solid var(--border-gray);
  border-top: 3px solid var(--primary-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar-menu {
    flex-wrap: wrap;
    justify-content: center;
  }

  .card {
    padding: 1rem;
  }

  .stat-value {
    font-size: 2rem;
  }
}

/* ユーティリティクラス */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: 1rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.p-4 {
  padding: 1rem;
}

/* ビュー切り替えボタン */
.view-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid var(--border-gray);
  background-color: var(--bg-white);
  color: var(--text-gray);
}

.view-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.view-btn.active {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

/* カレンダービュー */
.calendar-grid {
  background: var(--bg-white);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--bg-light);
  border-bottom: 2px solid var(--border-gray);
}

.calendar-weekday {
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  color: var(--text-dark);
  text-transform: uppercase;
  font-size: 0.875rem;
}

.calendar-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background-color: var(--border-gray);
}

/* 週単位カレンダー */
.calendar-weeks-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calendar-week {
  background: var(--bg-white);
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.calendar-week-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--bg-light);
  border-bottom: 2px solid var(--border-gray);
}

.calendar-weekday-header {
  padding: 0.75rem;
  text-align: center;
  border-right: 1px solid var(--border-gray);
}

.calendar-weekday-header:last-child {
  border-right: none;
}

.weekday-name {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.weekday-date {
  font-size: 0.75rem;
  color: var(--text-gray);
}

.calendar-week-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  min-height: 400px;
}

.calendar-day {
  background-color: var(--bg-white);
  padding: 0.5rem;
  border-right: 1px solid var(--border-gray);
  border-bottom: 1px solid var(--border-gray);
  transition: background-color 0.2s;
  overflow-y: auto;
  max-height: 600px;
}

.calendar-day:nth-child(7n) {
  border-right: none;
}

.calendar-day:hover {
  background-color: #f8fafc;
}

.calendar-day.weekend {
  background-color: #fffbeb;
}

.calendar-day.weekend:hover {
  background-color: #fef3c7;
}

.calendar-day-tasks {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.calendar-task {
  padding: 0.375rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 3px solid;
}

.calendar-task:hover {
  transform: translateX(2px);
  box-shadow: var(--shadow-sm);
}

/* タスクの色分け：担当者とステータスベース */
/* 完了タスク：緑 */
.calendar-task.status-completed {
  background-color: #d1fae5;
  border-left-color: #10b981;
  color: #065f46;
}

/* 岩野の未実施タスク：オレンジ */
.calendar-task.assignee-1.status-not_started,
.calendar-task.assignee-1.status-in_progress {
  background-color: #fed7aa;
  border-left-color: #f97316;
  color: #9a3412;
}

/* 松田の未実施タスク：赤 */
.calendar-task.assignee-2.status-not_started,
.calendar-task.assignee-2.status-in_progress {
  background-color: #fecaca;
  border-left-color: #dc2626;
  color: #991b1b;
}

/* 共同タスクの未実施：黄色 */
.calendar-task.joint-task.status-not_started,
.calendar-task.joint-task.status-in_progress {
  background-color: #fef08a;
  border-left-color: #eab308;
  color: #713f12;
}

.task-time {
  font-weight: 600;
  color: var(--text-gray);
  margin-bottom: 0.125rem;
}

.task-title {
  font-weight: 500;
  color: var(--text-dark);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-assignee {
  color: var(--text-gray);
  font-size: 0.625rem;
  margin-top: 0.125rem;
}

/* コンパクトなカレンダータスク表示 */
.calendar-task-compact {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.5rem;
  margin-bottom: 0.25rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  border-left: 3px solid;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
}

.calendar-task-compact:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10;
  border-left-width: 4px;
}

.calendar-task-compact .task-checkbox {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}

.calendar-task-compact .task-compact-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

/* 完了タスク（全員）：緑 */
.calendar-task-compact.status-completed {
  background-color: #d1fae5;
  border-left-color: #10b981;
  color: #065f46;
  opacity: 0.7;
}

.calendar-task-compact.status-completed .task-compact-title {
  text-decoration: line-through;
}

/* 岩野の未実施タスク：オレンジ */
.calendar-task-compact.assignee-1.status-not_started,
.calendar-task-compact.assignee-1.status-in_progress {
  background-color: #fed7aa;
  border-left-color: #f97316;
  color: #9a3412;
}

/* 松田の未実施タスク：赤 */
.calendar-task-compact.assignee-2.status-not_started,
.calendar-task-compact.assignee-2.status-in_progress {
  background-color: #fecaca;
  border-left-color: #dc2626;
  color: #991b1b;
}

/* 共同タスクの未実施：黄色 */
.calendar-task-compact.joint-task.status-not_started,
.calendar-task-compact.joint-task.status-in_progress {
  background-color: #fef08a;
  border-left-color: #eab308;
  color: #713f12;
}

/* ガントチャート */
.gantt-chart {
  background: var(--bg-white);
  border-radius: 1rem;
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

.gantt-header {
  display: flex;
  border-bottom: 2px solid var(--border-gray);
  position: sticky;
  top: 0;
  background-color: var(--bg-white);
  z-index: 10;
}

.gantt-label {
  min-width: 150px;
  width: 150px;
  padding: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  background-color: var(--bg-light);
  border-right: 2px solid var(--border-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.gantt-timeline {
  display: flex;
  flex: 1;
  overflow-x: auto;
}

.gantt-date {
  min-width: 160px;
  width: 160px;
  padding: 0.5rem;
  text-align: center;
  border-right: 1px solid var(--border-gray);
  background-color: var(--bg-light);
}

.gantt-date.weekend {
  background-color: #fef3c7;
}

.date-month {
  font-size: 0.75rem;
  color: var(--text-gray);
  font-weight: 600;
}

.date-day {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 0.25rem;
}

.gantt-row {
  display: flex;
  border-bottom: 1px solid var(--border-gray);
  transition: background-color 0.2s;
}

.gantt-row:hover {
  background-color: var(--bg-light);
}

.gantt-cell {
  min-width: 160px;
  width: 160px;
  padding: 0.5rem;
  border-right: 1px solid var(--border-gray);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gantt-cell.weekend {
  background-color: #fef9e7;
}

.gantt-task {
  padding: 0.375rem 0.5rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 4px solid;
  overflow: hidden;
}

.gantt-task:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  z-index: 5;
}

/* ガントチャートのタスク色分け：担当者とステータスベース */
/* 完了タスク：緑 */
.gantt-task.status-completed {
  background-color: #d1fae5;
  border-left-color: #10b981;
  color: #065f46;
}

/* 岩野の未実施タスク：オレンジ */
.gantt-task.assignee-1.status-not_started,
.gantt-task.assignee-1.status-in_progress {
  background-color: #fed7aa;
  border-left-color: #f97316;
  color: #9a3412;
}

/* 松田の未実施タスク：赤 */
.gantt-task.assignee-2.status-not_started,
.gantt-task.assignee-2.status-in_progress {
  background-color: #fecaca;
  border-left-color: #dc2626;
  color: #991b1b;
}

/* 共同タスクの未実施：黄色 */
.gantt-task.joint-task.status-not_started,
.gantt-task.joint-task.status-in_progress {
  background-color: #fef08a;
  border-left-color: #eab308;
  color: #713f12;
}

.gantt-task-text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* コンパクトなガントチャートタスク表示 */
.gantt-task-compact {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.375rem;
  margin-bottom: 0.25rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  border-left: 3px solid;
  transition: all 0.2s ease;
  cursor: pointer;
}

.gantt-task-compact:hover {
  opacity: 0.8;
  transform: translateX(2px);
}

.gantt-task-compact .task-checkbox {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  flex-shrink: 0;
}

.gantt-task-compact .gantt-task-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

/* 完了タスク（全員）：緑 */
.gantt-task-compact.status-completed {
  background-color: #d1fae5;
  border-left-color: #10b981;
  color: #065f46;
  opacity: 0.7;
}

.gantt-task-compact.status-completed .gantt-task-text {
  text-decoration: line-through;
}

/* 岩野の未実施タスク：オレンジ */
.gantt-task-compact.assignee-1.status-not_started,
.gantt-task-compact.assignee-1.status-in_progress {
  background-color: #fed7aa;
  border-left-color: #f97316;
  color: #9a3412;
}

/* 松田の未実施タスク：赤 */
.gantt-task-compact.assignee-2.status-not_started,
.gantt-task-compact.assignee-2.status-in_progress {
  background-color: #fecaca;
  border-left-color: #dc2626;
  color: #991b1b;
}

/* 共同タスクの未実施：黄色 */
.gantt-task-compact.joint-task.status-not_started,
.gantt-task-compact.joint-task.status-in_progress {
  background-color: #fef08a;
  border-left-color: #eab308;
  color: #713f12;
}

/* 小さいボタン */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

/* 期間コントロールボタン */
.period-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid var(--border-gray);
  background-color: var(--bg-white);
  color: var(--text-gray);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.period-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-1px);
}

.period-btn.active {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
}

/* カレンダーの範囲外の日付 */
.calendar-day.out-of-range {
  opacity: 0.4;
  pointer-events: none;
}

.calendar-day.out-of-range .calendar-task {
  opacity: 0.5;
}

/* ガントチャートの曜日ラベル */
.date-weekday {
  font-size: 0.625rem;
  color: var(--text-gray);
  font-weight: 500;
  text-transform: uppercase;
  margin-top: 0.125rem;
}

.gantt-date.today {
  background-color: #dbeafe;
  border: 2px solid var(--primary-blue);
}

.calendar-day.today {
  background-color: #dbeafe;
  border: 2px solid var(--primary-blue);
}

/* フレックスボックスユーティリティ */
.flex-wrap {
  flex-wrap: wrap;
}

/* ハンバーガーメニュー（スマホ用） */
.hamburger-menu {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger-menu span {
  width: 25px;
  height: 3px;
  background-color: var(--primary-blue);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* スマホビュー用のナビゲーション */
@media (max-width: 768px) {
  .hamburger-menu {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    gap: 0;
    padding: 5rem 1rem 2rem;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    overflow-y: auto;
  }

  .navbar-menu.active {
    right: 0;
  }

  .navbar-link {
    width: 100%;
    padding: 1rem;
    border-radius: 0.5rem;
    border-bottom: 1px solid var(--border-gray);
  }

  .navbar-link:hover {
    background-color: var(--bg-light);
  }

  .navbar-container {
    padding: 1rem;
  }

  .logo span {
    font-size: 1.2rem;
  }

  .logo img {
    height: 40px;
    width: 40px;
  }
}

/* オーバーレイ（スマホメニューが開いている時の背景） */
.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.menu-overlay.active {
  display: block;
}

@media (max-width: 768px) {
  .menu-overlay.active {
    display: block;
  }
}

/* ===============================
   資料フォルダページスタイル
   =============================== */

/* カテゴリーカード */
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-white);
  border: 2px solid var(--border-gray);
  border-radius: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-blue);
}

.category-card.active {
  background: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-lg);
}

.category-card.active i {
  color: white !important;
}

/* リソースカード */
.resource-card {
  background: var(--bg-white);
  border: 1px solid var(--border-gray);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue);
}

/* アイコン色 */
.text-purple-600 { color: #9333ea; }
.text-blue-600 { color: #2563eb; }
.text-green-600 { color: #16a34a; }
.text-red-600 { color: #dc2626; }
.text-yellow-600 { color: #ca8a04; }
.text-gray-600 { color: #4b5563; }

/* メインコンテンツエリア */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* フォームコントロール */
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-gray);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: var(--bg-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ボタンサイズバリエーション */
.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.125rem;
}

.btn-danger {
  background-color: var(--danger-red);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* レスポンシブ調整 */
@media (max-width: 768px) {
  .main-content {
    padding: 1rem;
  }
  
  .resource-card {
    padding: 1rem;
  }
  
  .category-card {
    padding: 1rem 0.75rem;
  }
}