* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

header {
  background: #1a1a1a;
  color: #fff;
  padding: 1rem 1.5rem;
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

header p {
  margin: 0;
  color: #ccc;
  font-size: 0.9rem;
}

.city-list {
  flex: 1;
  padding: 1.5rem;
}

.city-list h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.city-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.city-list li {
  margin: 0.4rem 0;
}

.city-list a {
  color: #1a1a1a;
  font-size: 1.1rem;
  text-decoration: none;
}

.city-list a:hover {
  text-decoration: underline;
}

.footer-links {
  background: #1a1a1a;
  color: #fff;
  padding: 0.75rem 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.legend-menu {
  background: #f4f4f4;
  border-bottom: 1px solid #ddd;
}

.legend-menu summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.5rem 1.5rem;
}

#legend {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0 1.5rem 0.5rem;
  font-size: 0.85rem;
}

.expand-hint {
  font-weight: 400;
  font-size: 0.8rem;
  color: #777;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid #1a1a1a;
  display: inline-block;
}

#map {
  flex: 1;
  width: 100%;
}

.popup-content h3 {
  margin: 0 0 0.25rem;
}

.popup-content p {
  margin: 0.15rem 0;
}

.popup-tags {
  margin: 0.3rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.popup-tags li {
  margin: 0.1rem 0;
}

.popup-preorder-box {
  margin-top: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: #fff8e1;
  border: 1px solid #f1c40f;
  border-radius: 4px;
  font-size: 0.85rem;
}

.popup-preorder-box a {
  font-weight: 600;
}

.popup-preorder-title {
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.popup-note {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-style: italic;
  color: #555;
}

.store-list-menu {
  background: #fff;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
  padding: 0.5rem 1.5rem;
  max-height: 40vh;
  overflow-y: auto;
}

.store-list-menu summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.4rem 0;
}

.store-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
}

.category-group {
  border-top: 1px solid #eee;
}

.category-group summary {
  cursor: pointer;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  list-style: none;
}

.category-group .store-list {
  margin: 0 0 0.5rem 1.5rem;
}

.store-entry {
  border-top: 1px solid #eee;
}

.store-entry summary {
  cursor: pointer;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  list-style: none;
}

.store-entry-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #1a1a1a;
  flex-shrink: 0;
}

.store-entry .popup-content {
  padding: 0 0 0.75rem 1.5rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-box {
  background: #fff;
  border-radius: 6px;
  padding: 1.5rem;
  max-width: 360px;
  text-align: center;
}

.modal-box p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.4;
}

.modal-box .golden-rule {
  color: #b8860b;
  font-weight: 600;
}

.modal-box button {
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.modal-box button:hover {
  background: #333;
}

@media (max-width: 600px) {
  #legend {
    gap: 0.75rem;
    padding: 0.25rem 1.5rem 1rem;
    font-size: 1rem;
  }

  .legend-dot {
    width: 16px;
    height: 16px;
  }
}