/* 焼きチタンブルー */
@import url('https://fonts.googleapis.com/css2?family=Murecho:wght@300&display=swap');

body {
  font-family: 'Murecho', sans-serif;
  font-weight: 300;
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem;
  background: #fff;
  color: #222;
  line-height: 1.6;
}

header, footer {
  background: linear-gradient(to right, #00cfff, #0099ff, #0066cc);
  color: white;
  padding: 1rem;
  text-align: center;
  font-weight: bold;
  border: none;
}

header a, footer a {
  color: white;
  font-weight: bold;
  text-decoration: none;
  margin: 0 1rem;
  transition: 0.2s;
}

header a:hover, footer a:hover {
  text-shadow: 0 0 10px rgba(255,255,255,0.7);
}

footer {
  font-size: 0.85rem;
  margin-top: 2rem;
}

main {
  margin-top: 2rem;
}

.description {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.card {
  flex: 1 1 250px;
  padding: 1rem;
  background: #f5f5f5;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: 0.2s;
}

.card:hover {
  background: #e0e0e0;
}