:root {
  --color-bg: #f5f9f8;
  --color-surface: #ffffff;
  --color-border: #e1e8e6;
  --color-text: #1f2a24;
  --color-text-muted: #5b6b63;
  --color-primary: #0e7c86;
  --color-primary-dark: #0a5b63;
  --color-secondary: #3e7c59;
  --color-visited: #3e9142;
  --color-unvisited: #8c9a94;
  --color-accent: #e8a33d;

  --font-family-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    system-ui, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;

  --radius-card: 12px;
  --radius-pill: 999px;

  --shadow-1: 0 1px 3px rgba(15, 40, 35, 0.08);
  --shadow-2: 0 6px 16px rgba(15, 40, 35, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

/* ---------- Header / view switcher ---------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.view-tabs {
  display: flex;
  background: var(--color-bg);
  border-radius: var(--radius-pill);
  padding: 4px;
  gap: 4px;
}

.view-tabs a {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.view-tabs a.active {
  background: var(--color-primary);
  color: #fff;
}

.filter-bar {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar select,
.filter-bar input {
  font-family: inherit;
  font-size: 14px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--space-2);
  background: var(--color-surface);
  color: var(--color-text);
}

.filter-count {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-left: auto;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-12);
}

/* ---------- Card ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

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

.card-photo {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  background: var(--color-border);
  display: block;
}

.card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-prefecture {
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-weight: 500;
}

.badge-visited {
  background: rgba(62, 145, 66, 0.12);
  color: var(--color-visited);
  cursor: pointer;
}

.badge-unvisited {
  background: rgba(140, 154, 148, 0.14);
  color: var(--color-unvisited);
  cursor: pointer;
}

.card-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-access {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  gap: 6px;
  align-items: flex-start;
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.card-credit {
  font-size: 11px;
  color: var(--color-text-muted);
  opacity: 0.8;
  padding: 0 var(--space-4) var(--space-3);
}

.card-map-link {
  font-size: 13px;
  font-weight: 600;
}

/* ---------- List view grid ---------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Kanban view ---------- */

.kanban-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 768px) {
  .kanban-board {
    grid-template-columns: 1fr 1fr;
  }
}

.kanban-column {
  background: rgba(255, 255, 255, 0.5);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  min-height: 200px;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid;
}

.kanban-column.visited .kanban-column-header {
  border-color: var(--color-visited);
}

.kanban-column.unvisited .kanban-column-header {
  border-color: var(--color-unvisited);
}

.kanban-column-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.kanban-column.visited .kanban-column-title {
  color: var(--color-visited);
}

.kanban-column.unvisited .kanban-column-title {
  color: var(--color-unvisited);
}

.kanban-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}

.kanban-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.kanban-card {
  display: flex;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--space-2);
  padding: var(--space-2) var(--space-3);
  box-shadow: var(--shadow-1);
  align-items: center;
  cursor: grab;
}

.kanban-card img {
  width: 56px;
  height: 56px;
  border-radius: var(--space-2);
  object-fit: cover;
  flex-shrink: 0;
}

.kanban-card-body {
  min-width: 0;
}

.kanban-card-title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 2px;
}

.kanban-card-pref {
  font-size: 12px;
  color: var(--color-text-muted);
}

.kanban-card-map-link {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
}

.kanban-move-btn {
  margin-left: auto;
  font-size: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  cursor: pointer;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.kanban-move-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------- Map view ---------- */

#map {
  height: calc(100vh - 130px);
  min-height: 480px;
  width: 100%;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  /* Leafletの内部pane(tile/marker等)はz-index最大700まで使うため、
     isolationで独立したスタッキングコンテキストを作り、.modal-overlayの
     z-index: 100 より内部paneが上に出てしまわないようにする。 */
  isolation: isolate;
}

.map-legend {
  position: absolute;
  bottom: var(--space-6);
  left: calc(var(--space-4) + 8px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: 12px;
  box-shadow: var(--shadow-1);
  z-index: 5;
  display: flex;
  gap: var(--space-3);
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.visited {
  background: var(--color-visited);
}

.dot.unvisited {
  background: var(--color-unvisited);
}

.map-wrap {
  position: relative;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
  padding: var(--space-12) 0;
}

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-12);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- Selected state (card/kanban triggers a detail modal) ---------- */

.card.is-selected,
.kanban-card.is-selected {
  outline: 2px solid var(--color-primary);
  box-shadow: var(--shadow-2);
}

/* ---------- Detail modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 40, 35, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-2);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  cursor: pointer;
  color: var(--color-text-muted);
  z-index: 1;
}

.modal-close:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.modal-photo {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  background: var(--color-border);
  display: block;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.modal-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal-badges {
  display: flex;
  gap: var(--space-2);
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
}

.modal-desc {
  font-size: 16px;
  color: var(--color-text);
  margin: 0;
}

.modal-access {
  font-size: 14px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.modal-access p {
  margin: 0;
}

.modal-access a {
  font-weight: 600;
}

.modal-credit {
  font-size: 11px;
  color: var(--color-text-muted);
  opacity: 0.8;
  margin: 0;
}