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

body {
  font-family: system-ui, 'Helvetica Neue', sans-serif;
  background: #f0f0f0;
  color: #222;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px;
}

.header {
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid #333;
}

.header h1 {
  font-size: 1.4rem;
  font-weight: bold;
}

.notices {
  margin-bottom: 24px;
}

.notice-item {
  background: #fffbe6;
  border-left: 4px solid #e6a817;
  padding: 12px 16px;
  margin-bottom: 8px;
}

.notice-label {
  font-size: 0.8rem;
  font-weight: bold;
  color: #b37d00;
  margin-bottom: 6px;
}

.notice-body {
  font-size: 0.875rem;
  color: #333;
  padding-left: 1.2em;
  line-height: 1.6;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.app-card {
  display: block;
  background: #fff;
  border: 1px solid #ccc;
  padding: 20px 16px;
  text-decoration: none;
  color: inherit;
}

.app-card:hover {
  background: #f8f8f8;
  border-color: #888;
}

.app-name {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 6px;
}

.app-desc {
  font-size: 0.85rem;
  color: #555;
}

@media (max-width: 480px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}