/* ============================================================
   トップページ専用スタイル
   ============================================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #00A8E8 100%);
  padding: 56px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: var(--color-accent);
  opacity: 0.25;
  border-radius: 50%;
}

.hero h1 {
  color: var(--color-white);
  font-size: 2.1rem;
  margin-bottom: 12px;
  position: relative;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  max-width: 480px;
  position: relative;
}

.section {
  padding: 48px 0;
}

.section-title {
  font-size: 1.4rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 8px;
  height: 24px;
  background: var(--color-accent);
  border-radius: 4px;
  display: inline-block;
}

/* ---------- オフ会カード一覧 ---------- */

.event-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.event-card {
  background: var(--color-white);
  border-radius: var(--radius-bubble);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  border: 2px solid transparent;
  transition: border-color 0.15s ease, transform 0.15s ease;
  display: block;
}

.event-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  text-decoration: none;
}

.event-card .status-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.event-card .status-pill.open {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.event-card .status-pill.closed {
  background: #F0F0F0;
  color: var(--color-text-sub);
}

.event-card h3 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.event-card .event-date {
  color: var(--color-text-sub);
  font-size: 0.9rem;
}

/* ---------- 管理者ログイン ---------- */

.admin-login-box {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 28px;
  max-width: 380px;
  box-shadow: var(--shadow-soft);
}

.admin-login-box h2 {
  font-size: 1.05rem;
  margin-bottom: 18px;
}