:root {
  --color-primary: #deaf07;
  --color-primary-dark: #b58f05;
  --color-primary-light: #fdf6df;
  --color-primary-lighter: #fbf0c4;
  --color-text: #24292f;
  --color-text-sub: #6e7781;
  --color-border: #e3e3e3;
  --color-bg: #ffffff;
  --color-bg-sub: #f6f6f6;
  --radius-card: 6px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 4px 10px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic", "Noto Sans JP", Meiryo, sans-serif;
  background: var(--color-bg-sub);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 56px;
  padding: 0 20px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
  white-space: nowrap;
}

.site-logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
}

.search-form {
  flex: 1;
  min-width: 220px;
  max-width: 480px;
  position: relative;
}

.search-form input[type="search"] {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-sub);
  font-size: 14px;
  color: var(--color-text);
}

.search-form input[type="search"]:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg);
}

.search-form .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-sub);
  pointer-events: none;
  font-size: 14px;
}

/* ---------- layout ---------- */

.page-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 64px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 24px;
  align-items: start;
}

.page-title {
  margin: 0 0 16px;
  font-size: 20px;
}

.result-count {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--color-text-sub);
}

/* ---------- itinerary list / card ---------- */

.itinerary-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.itinerary-card {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.itinerary-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}

.itinerary-card .card-thumb {
  flex: 0 0 96px;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-card);
  background-image: var(--thumb-gradient, linear-gradient(135deg, #ccc, #999));
  display: flex;
  align-items: flex-end;
  padding: 6px;
}

.itinerary-card .card-thumb .thumb-label {
  color: rgba(255, 255, 255, 0.9);
  font-size: 11px;
  font-weight: 600;
}

.itinerary-card .card-body {
  flex: 1;
  min-width: 0;
}

.itinerary-card .card-link {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
}

.itinerary-card .card-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.itinerary-card:hover .card-title {
  color: var(--color-primary-dark);
}

.card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.card-meta-row .meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-summary {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--color-text-sub);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-footer-meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-sub);
}

/* ---------- tag pills ---------- */

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: #6b5600;
  font-size: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  z-index: 1;
  position: relative;
}

.tag-pill:hover {
  background: var(--color-primary-lighter);
}

.tag-pill.is-active {
  background: var(--color-primary);
  color: #fff;
}

.card-tags .tag-pill {
  cursor: default;
  pointer-events: none;
}

/* ---------- filter sidebar ---------- */

.filter-sidebar {
  position: sticky;
  top: 76px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 16px;
}

.filter-sidebar h2 {
  margin: 0 0 12px;
  font-size: 14px;
}

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

.filter-clear {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-primary-dark);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

.filter-clear:hover {
  text-decoration: underline;
}

/* ---------- empty state ---------- */

.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--color-text-sub);
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
}

.empty-state .filter-clear {
  margin-top: 10px;
}

/* ---------- responsive ---------- */

@media (max-width: 768px) {
  .page-container {
    grid-template-columns: 1fr;
  }

  .filter-sidebar {
    position: static;
    order: -1;
  }

  .site-header {
    height: auto;
    padding: 10px 16px;
  }
}

@media (max-width: 480px) {
  .itinerary-card {
    flex-direction: column;
  }

  .itinerary-card .card-thumb {
    width: 100%;
    height: 120px;
  }
}