body {
  margin: 0;
  font-family: 'Yu Mincho', serif;
  background-color: #0b0b0b;
  color: #eaeaea;
  background-image: url('images/rousoku.jpg');
  background-size: cover;
  background-attachment: fixed;
  line-height: 1.8;
}

header {
  background-color: rgba(0, 0, 0, 0.85);
  padding: 40px 20px;
  text-align: center;
  border-bottom: 1px solid #333;
}

header h1 {
  margin: 0;
  font-size: 2.8em;
  color: #d40000;
  text-shadow: 2px 2px 6px #000;
}

nav ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

nav a {
  color: #eaeaea;
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid #d40000;
  border-radius: 5px;
  transition: background 0.3s;
}

nav a:hover {
  background-color: #d40000;
  color: #fff;
}

main {
  padding: 50px 20px;
  max-width: 900px;
  margin: auto;
  background-color: rgba(0, 0, 0, 0.75);
  border-radius: 10px;
}

section {
  margin-bottom: 60px;
}

h2 {
  border-left: 6px solid #d40000;
  padding-left: 12px;
  color: #d40000;
  font-size: 1.6em;
}

.video {
  margin-top: 20px;
  text-align: center;
}

.event-list,
.shop-items,
.sns-links {
  list-style: none;
  padding-left: 0;
}

.event-list li,
.shop-items li,
.sns-links li {
  margin-bottom: 10px;
}

a {
  color: #ff6666;
}

a:hover {
  text-decoration: underline;
}

footer {
  background-color: rgba(0, 0, 0, 0.85);
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  border-top: 1px solid #333;
}