body { margin:0; font-family:sans-serif; }
body.is-fixed {
  overflow:hidden;
}

.header {
  position:fixed;
  top:0;
  width:100%;
  background:#fff;
  transition:.3s;
  z-index:1000;
}
.header.is-scroll {
  box-shadow:0 4px 10px rgba(0,0,0,.1);
}

.header-inner {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 24px;
}

.pc-nav ul {
  display:flex;
  gap:32px;
  list-style:none;
}

.hamburger {
  display:none;
  background:none;
  border:none;
  width:30px;
  height:22px;
  position:relative;
}
.hamburger span {
  position:absolute;
  width:100%;
  height:2px;
  background:#000;
  transition:.3s;
}
.hamburger span:nth-child(1){top:0;}
.hamburger span:nth-child(2){top:10px;}
.hamburger span:nth-child(3){bottom:0;}

.sp-nav {
  position:fixed;
  inset:0;
  background:#fff;
  transform:translateX(100%);
  transition:.4s;
  padding:100px 24px;
}
.sp-nav.is-open { transform:translateX(0); }

@media(max-width:768px){
  .pc-nav{display:none;}
  .hamburger{display:block;}
}

.mv {
  position: relative;
  height: 100vh;
  margin-top: 80px;
  overflow: hidden;
}

/* スライド */
.mv-swiper,
.mv-slide,
.mv-slide img {
  height: 100%;
}

.mv-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* キャッチコピー */
.mv-text {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  pointer-events: none;
}

.mv-catch {
  color: #fff;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.4;

  /* ふわっと出現（初回のみ） */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.mv-catch.is-show {
  opacity: 1;
  transform: translateY(0);
}

.sp-close {
  position:absolute;
  top:24px;
  right:24px;
  font-size:32px;
  background:none;
  border:none;
  cursor:pointer;
}



/*無限ループ*/
.loop-slider {
  width: 100%;
  overflow: hidden;
  padding: 40px 0;
}

.loop-track {
  display: flex;
  width: max-content;
  gap: 20px;
  animation: slideLoop 35s linear infinite;
}

.loop-slide {
  width: calc(100vw / 6);
  max-width: 320px;
  flex-shrink: 0;
}

.loop-slide img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.loop-slide:nth-child(even) {
  transform: translateY(24px);
}

@keyframes slideLoop {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  .loop-slide {
    width: 50%;
  }
}