body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background: #f7f7f7;
  color: #333;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px;
  color: #fff;

  /* ▼ グラデーション */
  background: linear-gradient(135deg, #2c3e50 0%, #4b6584 100%);
  flex-wrap: wrap;
}

h1 {
  font-size: 2.2em;
  padding-left: 10px;
  font-family: "Yu Gothic", "Yu Mincho", "Hiragino Kaku Gothic ProN", "Hiragino Mincho ProN", sans-serif;
}

*/
.subtitle {
  opacity: 0.8;
  padding: 0;
}

.container {
  display: flex;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: auto;
  padding: 20px;
  gap: 20px;
}

.main-content {
  flex: 1 1 650px;
}

.shop-image img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #ccc;
}

.counter {
  text-align: center;
  margin: 15px 0;
}

.section-title {
  margin-top: 30px;
  border-left: 6px solid #fa5000;
  padding-left: 10px;
  font-size: 1.4em;
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 15px;
}

.card {
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #333;
  transition: 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.sidebar {
  flex: 1 1 280px;
}

.sidebar details {
  background: #fff;
  border: 1px solid #ddd;
  margin-bottom: 10px;
  border-radius: 8px;
  padding: 10px;
}

.sidebar summary {
  font-weight: bold;
  cursor: pointer;
  padding: 5px;
}

.sidebar ul {
  list-style: none;
  padding-left: 10px;
}

.sidebar a {
  text-decoration: none;
  color: #333;
}

.sidebar a:hover {
  color: #fa5000;
}

.footer {
  text-align: center;
  padding: 20px;
  margin-top: 30px;
  background: #2c3e50;
  color: #fff;
  font-size: 0.9em;
}
/* ヘッダー構造変更 */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px;
  background: #2c3e50;
  color: #fff;
  flex-wrap: wrap; /* スマホ時の折り返し */
}

.header-left {
  flex: 1 1 300px;
}

.header-right {
  flex: 1 1 300px;
  font-size: 0.9em;
  line-height: 1.6;
  padding-top: 5px;
  text-align: right;
}

.header-right p {
  margin: 2px 0;
}

/* スマホ用：縦並びにする */
@media (max-width: 600px) {
  .header {
    text-align: center;
  }
  .header-right {
    text-align: center;
    margin-top: 15px;
  }
}

.year-separator {
  margin: 10px 0;
  padding: 5px 0;
  border-bottom: 2px solid #aaa;
  font-weight: bold;
  color: #333;
}