body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background-color: #fff;
  color: #222;
  text-align: center;
  line-height: 1.6;
}

/* トップ画像 */
.top-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* 会員登録ボタン */
.register-section {
  margin: 40px 0; 
  text-align: center;
}

.register-btn {
  display: inline-block;
  background: #008000;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  padding: 14px 30px;
  border-radius: 999px;
  margin: 0 auto;
  font-size: 1.1rem;
  transition: background 0.3s;
}
.register-btn:hover {
  background: #006400;
}

/* スライダー部分 */
.slider-wrapper {
  position: relative;
  max-width: 600px;
  margin: 10px auto;
  overflow: hidden;
}

.slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slide {
  flex: 0 0 60%;
  margin: 0 10px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}
.slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ドットナビゲーション */
.dots {
  display: flex;
  justify-content: center;
  margin-top: 10px;
  gap: 8px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ccc;
  transition: 0.3s;
}
.dot.active {
  background: #e60000;
}

/* 仮画像4枚エリア */
.images-section {
  max-width: 600px;
  margin: 40px auto;
}
.images-section img {
  width: 100%;
  margin-bottom: 20px;
  display: block;
}

/* 当選金ランキング */
.section-title {
  font-size: 1.4rem;
  font-weight: bold;
  margin-top: 40px;
  margin-bottom: 10px;
  color: #e60000;
}

.ranking {
  max-width: 600px;
  margin: 0 auto 40px;
  border-collapse: collapse;
  width: 90%;
}
.ranking th {
  background: #e60000;
  color: #fff;
  padding: 10px;
}
.ranking td {
  border-bottom: 1px solid #ddd;
  padding: 10px;
}
.ranking tr:nth-child(even) {
  background: #f9f9f9;
}

/* フッター */
footer {
  background: #222;
  color: #aaa;
  font-size: 0.85rem;
  padding: 10px 0;
  margin-top: 40px;
}