@charset "UTF-8";

/* --- カラー & 基本変数 --- */
:root {
  --navy: #131c38;
  --pink: #f43f5e;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- ヘッダー --- */
header {
  background: linear-gradient(135deg, var(--navy), #202e5b);
  color: #fff;
  text-align: center;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}

.header-inner {
  max-width: 1040px;
  margin: 0 auto;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* --- メインコンテンツ --- */
main.container {
  flex: 1;
  width: 100%;
  max-width: 800px;
  margin: 48px auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}

section {
  background: var(--card);
  padding: 40px 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

section h2 {
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--pink);
  display: inline-block;
}

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

.coming-soon p {
  color: var(--muted);
}

/* --- イベント一覧 --- */
.event-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.event-card {
  display: block;
  padding: 20px 24px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s ease;
}

.event-card:hover {
  border-color: var(--pink);
  border-left-color: var(--pink);
  background: #fff5f6;
  transform: translateY(-2px);
}

.event-meta {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pink);
  margin-bottom: 4px;
}

.event-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}

.event-arrow {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
}

.event-card:hover .event-arrow {
  color: var(--pink);
}

/* --- フッター --- */
footer {
  text-align: center;
  padding: 24px 20px;
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

/* --- レスポンシブ --- */
@media (max-width: 768px) {
  main.container {
    margin: 24px auto;
  }

  section {
    padding: 28px 20px;
  }
}