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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.4rem;
  font-weight: bold;
  text-align: center;
  padding: 16px 0 20px;
  color: #2c3e50;
}

/* フォームセクション */
.form-section {
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.form-section h2 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: #555;
}

.form-group {
  margin-bottom: 10px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 4px;
}

.form-group select,
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
  background: #fafafa;
  transition: border-color 0.2s;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
  background: #fff;
}

.form-group textarea {
  resize: vertical;
}

.btn-add {
  width: 100%;
  padding: 11px;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.2s;
}

.btn-add:hover {
  background: #2980b9;
}

/* フィルター */
.filter-section {
  margin-bottom: 12px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab {
  padding: 7px 16px;
  border: 1px solid #ddd;
  border-radius: 20px;
  background: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  border-color: #3498db;
  color: #3498db;
}

.tab.active {
  background: #3498db;
  color: #fff;
  border-color: #3498db;
}

.count-display {
  font-size: 0.82rem;
  color: #888;
  margin-top: 8px;
}

/* 一覧 */
.inquiry-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-msg {
  text-align: center;
  color: #aaa;
  padding: 32px 0;
  font-size: 0.9rem;
}

/* カード */
.inquiry-item {
  background: #fff;
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-left: 4px solid #ccc;
}

.inquiry-item.status-未対応 { border-left-color: #e74c3c; }
.inquiry-item.status-対応中 { border-left-color: #f39c12; }
.inquiry-item.status-完了   { border-left-color: #27ae60; }

.item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.badge-channel {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: #eaf2ff;
  color: #2980b9;
  font-weight: bold;
}

.item-name {
  font-weight: bold;
  font-size: 0.95rem;
  flex: 1;
}

.item-date {
  font-size: 0.75rem;
  color: #aaa;
}

.item-content {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 10px;
  white-space: pre-wrap;
  word-break: break-all;
}

.item-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.status-select {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 0.85rem;
  cursor: pointer;
}

.status-badge {
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: bold;
}

.badge-未対応 { background: #fdecea; color: #c0392b; }
.badge-対応中 { background: #fef9e7; color: #d35400; }
.badge-完了   { background: #eafaf1; color: #1e8449; }

.btn-delete {
  margin-left: auto;
  padding: 5px 12px;
  background: none;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.82rem;
  color: #999;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-delete:hover {
  background: #fee;
  color: #c0392b;
  border-color: #e74c3c;
}

/* レスポンシブ */
@media (max-width: 480px) {
  h1 { font-size: 1.2rem; }
  .filter-tabs { gap: 6px; }
  .tab { padding: 6px 12px; font-size: 0.8rem; }
}