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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f6fa;
  color: #2d3436;
  min-height: 100vh;
}

header {
  background: #2d3436;
  color: #fff;
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

header h1 {
  font-size: 1.2rem;
  font-weight: 700;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* フォーム */
.form-section {
  background: #fff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.form-section h2 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: #636e72;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #636e72;
}

textarea, input[type="text"] {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid #dfe6e9;
  border-radius: 7px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  background: #fafafa;
  resize: vertical;
}

textarea:focus, input[type="text"]:focus {
  border-color: #2d3436;
  background: #fff;
}

.form-group textarea {
  margin-bottom: 12px;
}

.btn {
  padding: 10px 22px;
  border: none;
  border-radius: 7px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.85; }

.btn-primary {
  background: #2d3436;
  color: #fff;
  width: 100%;
}

/* 一覧 */
.list-section {
  background: #fff;
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.list-header h2 {
  font-size: 1rem;
  color: #636e72;
}

.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 5px 13px;
  border: 1.5px solid #dfe6e9;
  border-radius: 20px;
  background: #fff;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s;
  color: #636e72;
}

.filter-btn.active {
  background: #2d3436;
  border-color: #2d3436;
  color: #fff;
}

/* サマリー */
.summary {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.summary-badge {
  padding: 4px 12px;
  border-radius: 14px;
  font-size: 0.82rem;
  font-weight: 700;
}

.badge-未対応 { background: #ffe0e0; color: #c0392b; }
.badge-対応中 { background: #fff3cd; color: #e67e22; }
.badge-完了   { background: #d5f5e3; color: #27ae60; }

/* カード */
.inquiry-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.empty-msg {
  text-align: center;
  color: #b2bec3;
  padding: 30px 0;
  font-size: 0.9rem;
}

.inquiry-card {
  border: 1.5px solid #dfe6e9;
  border-radius: 9px;
  padding: 14px;
  background: #fafafa;
  transition: box-shadow 0.15s;
}

.inquiry-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-content {
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1;
  word-break: break-all;
}

.status-badge {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.status-未対応 { background: #ffe0e0; color: #c0392b; }
.status-対応中 { background: #fff3cd; color: #e67e22; }
.status-完了   { background: #d5f5e3; color: #27ae60; }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: #636e72;
  margin-bottom: 10px;
}

.card-meta span::before {
  margin-right: 3px;
}

.card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-select {
  padding: 5px 8px;
  border: 1.5px solid #dfe6e9;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  background: #fff;
  flex: 1;
  min-width: 110px;
}

.btn-delete {
  background: #fff;
  color: #e74c3c;
  border: 1.5px solid #e74c3c;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-delete:hover {
  background: #e74c3c;
  color: #fff;
}

.card-date {
  font-size: 0.75rem;
  color: #b2bec3;
  margin-top: 6px;
}

@media (max-width: 500px) {
  .form-row {
    flex-direction: column;
  }

  .list-header {
    flex-direction: column;
    align-items: flex-start;
  }
}