/* ========================================
   わたしの選挙と議会 - 共通スタイル
   カラー: 紺(#1a365d) / 白(#fff) / 赤(#c53030)
   ======================================== */

/* リセット & ベース */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a365d;
  --color-primary-light: #2a4a7f;
  --color-primary-dark: #0f2440;
  --color-accent: #c53030;
  --color-accent-light: #e53e3e;
  --color-white: #ffffff;
  --color-bg: #f7f8fc;
  --color-bg-card: #ffffff;
  --color-text: #1a202c;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;
  --color-success: #38a169;
  --color-warning: #d69e2e;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
}

/* ダークモード */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-text: #e2e8f0;
    --color-text-light: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
    --color-primary-light: #3b6cb5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   ヘッダー
   ======================================== */
.site-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo:hover {
  color: var(--color-white);
  opacity: 0.9;
}

.site-logo .logo-icon {
  font-size: 1.5rem;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 0.25rem;
}

.nav-list a {
  color: rgba(255,255,255,0.85);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.nav-list a:hover,
.nav-list a.active {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}

/* モバイルメニュー */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 0.5rem 1rem 1rem;
    box-shadow: var(--shadow-lg);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list a {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
}

/* ========================================
   メインコンテンツ
   ======================================== */
main {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

/* ヒーローセクション */
.hero {
  text-align: center;
  padding: 3rem 1rem;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

@media (prefers-color-scheme: dark) {
  .hero h1 {
    color: var(--color-white);
  }
}

.hero .subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

/* 検索フォーム */
.search-section {
  max-width: 500px;
  margin: 0 auto 3rem;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.search-form input[type="text"] {
  flex: 1;
  padding: 0.875rem 1rem;
  font-size: 1.1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
  letter-spacing: 0.1em;
}

.search-form input[type="text"]:focus {
  border-color: var(--color-primary-light);
}

.search-form input[type="text"]::placeholder {
  color: var(--color-text-muted);
  letter-spacing: normal;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.875rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: var(--color-white);
}

.btn-primary:active {
  transform: scale(0.97);
}

.search-hint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* 結果エリア */
.results-area {
  margin-bottom: 3rem;
}

.results-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.results-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
  .results-header h2 {
    color: #93b5e8;
  }
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* 選挙カード */
.election-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

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

.election-card .card-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.card-type.national {
  background: var(--color-accent);
  color: var(--color-white);
}

.card-type.prefectural {
  background: var(--color-primary);
  color: var(--color-white);
}

.card-type.municipal {
  background: var(--color-success);
  color: var(--color-white);
}

.election-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.election-card .card-date {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.election-card .card-countdown {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.card-countdown.soon {
  color: var(--color-accent);
}

.card-countdown.upcoming {
  color: var(--color-warning);
}

.card-countdown.later {
  color: var(--color-success);
}

.card-countdown.past {
  color: var(--color-text-muted);
}

.election-card .card-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* エラー・空状態 */
.no-results, .error-message {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-light);
}

.error-message {
  color: var(--color-accent);
}

/* ========================================
   スケジュールページ
   ======================================== */
.page-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

@media (prefers-color-scheme: dark) {
  .page-title {
    color: var(--color-white);
  }
}

.page-subtitle {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.info-hero {
  margin-bottom: 2rem;
}

.info-hero h1 {
  margin-bottom: 0.75rem;
}

.info-grid {
  display: grid;
  gap: 1rem;
}

.info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-card h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
  color: var(--color-text);
}

.info-card p + p {
  margin-top: 0.9rem;
}

.info-card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.25rem;
}

.info-card li + li {
  margin-top: 0.45rem;
}

/* フィルター */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-card);
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

@media (prefers-color-scheme: dark) {
  .filter-btn:hover {
    border-color: #93b5e8;
    color: #93b5e8;
  }
}

/* スケジュールリスト */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.schedule-item {
  display: flex;
  gap: 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  align-items: flex-start;
}

.schedule-date-box {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
}

.schedule-date-box .month {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.85;
}

.schedule-date-box .day {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
}

.schedule-date-box .year {
  font-size: 0.7rem;
  opacity: 0.7;
}

.schedule-info {
  flex: 1;
}

.schedule-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.schedule-info .schedule-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.schedule-info .schedule-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ========================================
   フッター
   ======================================== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 2rem 1rem;
  margin-top: auto;
}

.footer-message {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  font-size: 0.8rem;
  margin-top: 0.75rem;
  opacity: 0.5;
}

/* ========================================
   ユーティリティ
   ======================================== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

/* レスポンシブ */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .search-form {
    flex-direction: column;
  }

  .search-form input[type="text"],
  .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .schedule-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .schedule-date-box {
    width: 100%;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
  }

  .schedule-date-box .month,
  .schedule-date-box .day,
  .schedule-date-box .year {
    font-size: 1rem;
  }

}