header{
  display: flex;
  background:
  linear-gradient(
    to right,
    rgba(93,226,231,1),
    rgba(93,226,231,1),
    rgba(255,255,255,1),
    rgba(255,255,255,1),
    rgba(255,255,255,1) );
  align-items: center;
  position:fixed;
  width: 100%;
  height: 150px;
  z-index: 10;
  top: 0;
}


.menu-btn{
  display: none;
}

p{padding: 30px 0px;
}

html.body{
  height: 100%;
}

body{
  margin: 0;
  display: flex;
  flex-direction: column;
}

body::before{
  content: "";
  position:fixed;
  inset: 0;
  background-image:linear-gradient(
      rgba(255,255,255,0.8),
      rgba(255,255,255,0.8) ),
   url("../images/背景画像.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: -1;
}

body.home::before{
  background-image:linear-gradient(
      rgba(255,255,255,0.6),
      rgba(255,255,255,0.6) ),
   url("../images/背景画像.jpg");
}

main{
  padding-top: 150px;
  flex: 1;
}

.artistart{
  width: 500px;
  height: 600px;
  margin: auto;
  display: block;
}

.flyer-section {
  overflow: hidden;
  width: 100%;
  padding: 40px 0;
}

.carousel {
  position: relative;
  max-width: 1200px;
  margin: 120px auto;
  overflow: hidden;
}

/* 横並びのレーン */
.carousel-track {
  display: flex;
  gap: 40px;
  align-items: center;
  transition: transform 0.5s ease;
}

/* 1スライド（←主役） */
.carousel-track a {
  flex: 0 0 85%;
  max-width: 600px;
  display: flex;
  justify-content: center;
  align-items: center;

  opacity: 0.4;
  transform: scale(0.85);
  transition: all 0.4s ease;
}

/* 中央スライド */
.carousel-track a.active {
  opacity: 1;
  transform: scale(1);
}

/* 画像は枠いっぱいに表示するだけ */
.carousel-track a img {
  width: 100%;
  height: auto;
  display: block;
}

article[id] {
  scroll-margin-top: 170px; /* headerより少し大きめ */
}

.logohome img{
  height: 150px;
  display: block;
  width: auto;
}

.logohome{
  margin-left: 20px;
}

nav{
  margin-left: auto;
  list-style:none;
  display:flex;
  padding: 30px;
  gap: 32px;
}

.nav a{
  color: #000;
  text-decoration: none;
}

.nav a:hover{
  color: #1c888c;
}

.live-list{
  margin-right:auto;
  width: 100%;
  max-width: 800px;
  line-height: 0%;

}

hr {
  border: none;
  border-top: 1px solid #ccc;
  margin: 32px 0;
}

.blog hr{
  border-top: 3px solid #ccc;
}

footer{
  text-align: center;
}

.footersns{
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

@media screen and (max-width: 768px){
header {
  background:linear-gradient(
    to right,
    rgba(93,226,231,1),
    rgba(93,226,231,1),
    rgba(255,255,255,1),
    rgba(255,255,255,1) );
    height: 80px;
  }

  main {
    padding-top: 80px;
  }

  body{
    background-attachment: scroll;   /* 固定を解除 */
    background-size: cover;
    background-position: center;
  }

  .logohome img {
    height: 80px;
    width: auto;
  }

  .menu-btn {
    display: block;
    margin-left: auto;
    font-size: 28px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .nav {
    position: fixed;
    top: 80px;              /* ヘッダー下から */
    right: 0;
    width:20%;             /* 好きな幅（100%でもOK） */
    height: calc(100vh - 80px);
    background:linear-gradient(to bottom,
    rgba(255,255,255,1),
    rgba(93,226,231,1));
    display: block;
    flex-direction: column;
    align-items: right;
    gap: 24px;
    padding-top: 40px;
    transform: translateX(100%); /* 右に隠す */
    transition: transform 0.3s ease;
    z-index: 9;
  }

  .nav a {
    font-size: 14px;
    padding: 4px;
  }

  .nav.active {
    display: flex;            /* ← 開いたら表示 */
    transform: translateX(0);
  }

  .carousel {
    max-width: 100%;
    margin: 80px auto 40px;
  }

  .carousel-track {
    gap: 20px;
  }

  .carousel-track img {
    width: 80vw;        /* 画面幅基準 */
    max-width: none;   /* PC用制限解除 */
    transform: scale(0.9);
  }

  .carousel-track img.active {
    transform: scale(1);
  }

  .carousel-track a{
    -webkit-tap-highlight-color: transparent;
  }
}