@charset "UTF-8";
/* ===========================
   北海道の天気 - style.css (Modernized)
   =========================== */

:root {
  /* Colors */
  --color-primary: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-sky: #3b82f6;
  --color-sky-light: #bfdbfe;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;

  /* Weather Colors */
  --wt-sunny: #f59e0b;
  --wt-cloudy: #94a3b8;
  --wt-rain: #3b82f6;
  --wt-snow: #7dd3fc;
  
  /* Temp Colors */
  --temp-high: #ef4444;
  --temp-low: #0ea5e9;

  /* Layout & FX */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08);
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: var(--font-base);
  background-color: var(--color-bg);
  background-image: radial-gradient(at 50% 0%, rgba(219, 234, 254, 0.5) 0px, transparent 50vw);
  background-attachment: fixed;
  color: var(--color-text-main);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  opacity: 0.8;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 64px;
}

/* ===== SITE HEADER ===== */
.site-header {
  padding: 48px 16px 32px;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}

.site-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.site-header .header-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.site-header .updated {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.75rem;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  color: var(--color-text-muted);
}

/* ===== SECTION TITLE ===== */
.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 40px 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== AREA GRID (index) ===== */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.area-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  color: inherit;
}

.area-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  background: #ffffff;
}

.area-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.area-card .card-name {
  font-weight: 700;
  font-size: 1.1rem;
}

.area-card .card-region {
  font-size: 0.75rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 20px;
  padding: 4px 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.area-card .card-cities {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.area-card .card-weather-row {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.weather-day {
  flex: 1;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 12px 8px;
  text-align: center;
  transition: var(--transition);
}

.area-card:hover .weather-day {
  background: var(--color-primary-light);
}

.weather-day .wd-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.weather-day .wd-icon {
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 6px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.weather-day .wd-text {
  font-size: 0.75rem;
  color: var(--color-text-main);
  line-height: 1.4;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.no-data {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 12px 0;
  text-align: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-top: 8px;
}

/* ===== DETAIL PAGE ===== */
.detail-header {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 32px 24px;
  margin-bottom: 32px;
  text-align: center;
}

.detail-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.detail-header .detail-cities {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.detail-header .detail-updated {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  display: inline-block;
  background: var(--color-bg);
  padding: 6px 16px;
  border-radius: 20px;
}

.stale-warning {
  color: #b45309;
  background: #fef3c7;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.85rem;
  margin-top: 12px;
  display: inline-block;
  font-weight: 600;
}

/* ===== 直近詳細カード (short-info) ===== */
.short-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 600px) {
  .short-info-grid { grid-template-columns: 1fr; }
}

.short-info-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.short-info-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.sic-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.sic-weather {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

.sic-meta {
  font-size: 0.85rem;
  color: var(--color-text-main);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sic-meta span {
  display: inline-block;
  width: 20px;
}

/* ===== 水平スクロールコンテナ (降水確率・気温用) ===== */
.horizontal-scroll-container {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 8px 4px 20px; /* スクロールバーとシャドウのための余白 */
  margin: 0 -4px 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

/* スクロールバーのカスタマイズ (Webkit) */
.horizontal-scroll-container::-webkit-scrollbar {
  height: 6px;
}
.horizontal-scroll-container::-webkit-scrollbar-track {
  background: var(--color-border);
  border-radius: 8px;
}
.horizontal-scroll-container::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: 8px;
}

/* タイムスロットカード */
.time-slot-card {
  flex: 0 0 auto;
  width: 90px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 16px 10px;
  text-align: center;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.time-slot-card .ts-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 4px;
}

.time-slot-card .ts-value {
  font-size: 1.1rem;
  font-weight: 700;
}

.time-slot-card .ts-pop {
  color: var(--color-sky);
}

.time-slot-card .ts-temp {
  color: var(--color-text-main);
}

/* 複数都市がある場合の気温ごとの行 */
.temp-city-section {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.temp-city-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  padding-left: 8px;
  border-left: 3px solid var(--color-primary);
}

.temp-scroll-inner {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
}
.temp-scroll-inner::-webkit-scrollbar { height: 4px; }
.temp-scroll-inner::-webkit-scrollbar-track { background: var(--color-bg); }
.temp-scroll-inner::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }


/* ===== 統合1週間カレンダー ===== */
.integrated-cal-container {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 24px;
  margin-bottom: 24px;
  overflow: hidden;
}

/* ラベル列＋スクロール列を横並びにするだけ。スクロールはしない */
.integrated-cal {
  display: flex;
}

/* ラベル列：スクロールコンテナの外にいるので物理的に動かない */
.cal-row-labels {
  display: flex;
  flex-direction: column;
  flex: 0 0 65px;
  border-right: 2px solid var(--color-border);
  padding-right: 8px;
  gap: 12px;
}

@media (min-width: 641px) {
  .cal-row-labels {
    flex: 0 0 80px;
    padding-right: 16px;
  }
}

.crl-item {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}
.crl-date { height: 44px; }
.crl-icon { height: 50px; }
.crl-pop { height: 24px; line-height: 1.1; }
.crl-temp { height: 24px; }
.crl-rel { height: 24px; }
.crl-city-temp { height: 24px; font-weight: 600; color: var(--color-text-muted); }

/* 列エリアだけがスクロールする */
.cal-columns-scroll {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 8px;
  padding: 0 0 16px 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.cal-columns-scroll::-webkit-scrollbar { height: 6px; }
.cal-columns-scroll::-webkit-scrollbar-track { background: var(--color-border); border-radius: 8px; }
.cal-columns-scroll::-webkit-scrollbar-thumb { background: var(--color-text-muted); border-radius: 8px; }

.cal-col {
  flex: 0 0 85px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.cal-col.is-today {
  background: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.cal-col:hover {
  background: #f1f5f9;
}
.cal-col.is-today:hover { background: #e0f2fe; }

.cc-date {
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.cc-today-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 2px;
}

.cc-icon {
  height: 50px;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.cc-pop {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.cc-pop.pop-multi {
  font-size: 0.65rem;
  letter-spacing: -0.02em;
}
.cc-pop.high-pop { color: var(--color-sky); }

.cc-temp {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  gap: 4px;
}
.cct-min { color: var(--temp-low); font-weight: 600; }
.cct-sep { color: var(--color-border); }
.cct-max { color: var(--temp-high); font-weight: 700; }

.cc-reliability {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cc-city-temp {
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
  white-space: nowrap;
  gap: 4px;
}
.cc-city-temp.pop-multi {
  font-size: 0.65rem;
  letter-spacing: -0.02em;
}

.reliability-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.reliability-badge.A { background: #dcfce7; color: #166534; border-color: #bbf7d0; }
.reliability-badge.B { background: #fef9c3; color: #854d0e; border-color: #fef08a; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { 
  color: var(--color-primary); 
  font-weight: 600;
}
.breadcrumb span { opacity: 0.5; }

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-top: 1px solid rgba(0,0,0,0.05);
  padding-top: 32px;
  margin-top: 48px;
  line-height: 1.8;
}

/* ===== BACK LINK ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
  padding: 8px 16px;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: var(--transition);
}
.back-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.back-link::before { content: '←'; }

/* ===== RESPONSIVE GLOBALS ===== */
@media (max-width: 600px) {
  .site-header { padding: 32px 16px 24px; }
  .site-header h1 { font-size: 1.5rem; }
  .area-grid { grid-template-columns: 1fr; }
  .container { padding: 0 12px 40px; }
  .section-title { font-size: 1.1rem; margin: 32px 0 12px; }
}