*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  overflow-x: hidden;
  margin: 0;
}




/* FV */
.fv {
  position: relative;
  width: 100%;
  height: 230vh; /* 100vhは動画のみ + 130vhはoverlay */
  overflow: hidden;
}

/* 背景動画（固定） */
.fv__bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -2;
}

/* スクロールで出てくるテキスト領域 */
.fv__overlay {
  position: relative;
  top: 100vh; /* 動画の下に表示開始 */
  width: 100%;
  height: 130vh;
  background: rgba(0, 0, 0, 0.6);
  padding: 60px 20px;
  box-sizing: border-box;
  color: #fff;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 10%);
}

/* 中央テキスト */
.fv__text {
  text-align: left;
  margin-left: 50px;
  margin-bottom: 40px;
}
.fv__text h1 {
  font-size: 4rem;
  line-height: 1.5;
}
.fv__text span {
  font-size: 4.5rem;
  color: #FF9100;
}

.fv__text p {
  font-size: 4rem;
}

/* コンセプトメッセージ */
.fv__message {
  position: absolute;
  right: 0;
  bottom: 0;
  text-align: right;
  margin-right: 50px;
  margin-bottom: 30px;
  font-size: 1.8rem;
  line-height: 1.6;
  font-weight: bold;
}








/* STOCK CARセクション */
.stockcar {
  background-color: #f9f9f9;
  position: relative;
  overflow: hidden; 
  padding-bottom: 100px;
}

.stockcar__title {
  text-align: left;
  font-size: 3.5rem;
  margin-bottom: 30px;
  margin-left: 50px;
  margin-top: 80px;
}

.stockcar__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 80px 50px 30px;
  position: relative;
}

.stockcar__title {
  font-size: 3.5rem;
  margin: 0;
}

.stockcar__status {
  position: absolute;
  right: -150px;
  top: -50px;
  transform: rotate(-5deg);
  font-size: 17rem;
  font-weight: bold;
  color: #000; /* アクセントカラー */
  opacity: 0.1;
}

.stockcar__desc {
  font-size: 2rem;
  font-weight: bold;
  margin-left: 50px;
}
/* VIEWMORE */
.stockcar__more {
  display: flex;
  justify-content: flex-start;
  margin-left: 50px;
  max-width: 1200px;
}
.btn-viewmore {
  padding: 12px 28px;
  border: 2px solid #000;
  color: #000;
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-viewmore::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: #000;
  transition: left 0.3s ease;
  z-index: -1;
}
.btn-viewmore:hover::after {
  left: 0;
}
.btn-viewmore:hover {
  color: #fff;
}
.carousel-area {
  position: relative;
  margin-top: 60px;
}
.infinite-carousel {
  position: relative;
  padding-bottom: 200px;
  z-index: 2;
}
/* 前面カルーセル */
.carousel-container {
  overflow: hidden;
  width: 100%;
}
.carousel-track {
  display: flex;
  will-change: transform;
  width: max-content; /* ← 横幅が自動拡張されるように */
}

.carousel-track img:last-child {
  margin-right: 0;
}
.carousel-track img {
  width: 33.33vw;
  height: auto;
  object-fit: cover;
}
/* 後面カルーセル */
.background-carousel {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: auto;
  transform: scale(0.7);
  filter: blur(6px);
  z-index: 1;
  pointer-events: none; /* 上に30%かぶせる */
}

.background-track {
  display: flex;
  will-change: transform;
}

.background-track img {
  width: 33.33vw;
  height: auto;
  object-fit: cover;
}






/* STAFF */
/* STAFFセクション */
.staff-area {
  position: relative;
  padding: 40px 0 0 0;
  background-color: #fff;
  overflow: hidden;
}

.staff-area__inner {
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.staff-area__head {
  position: relative;
  text-align: right;
  margin-bottom: 40px;
}

.staff-area__title {
  font-size: 3.5rem;
  margin-bottom: 30px;
  margin-right: 50px;
  margin-top: 80px;
}

.staff-area__copy {
  font-size: 2rem;
  font-weight: bold;
  margin-right: 50px;
}

.staff-area__viewmore {
  padding: 12px 28px;
  border: 2px solid #000;
  color: #000;
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  margin-right: 50px;
}

.staff-area__bg-text {
  position: absolute;
  left: -50px;
  top: -50px;
  transform: rotate(5deg);
  font-size: 17rem;
  font-weight: bold;
  color: #000; /* アクセントカラー */
  opacity: 0.1;
}

.staff-area__photos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.staff-area__photos img {
  width: 25%; /* 4枚横並び */
  height: auto;
  object-fit: cover;
  margin: 0;
  padding: 0;
  border-radius: 0; /* 角丸なしにする場合 */
}


/* =========================
   Mobile (～900px)
   ========================= */
@media (max-width: 900px) {

  /* 固定ヘッダー */
  .site-header {
    padding: 10px 16px;
    backdrop-filter: blur(6px);
  }
  .header-inner {
    padding: 0 8px;
  }
  .logo img {
    height: 36px;
  }

  /* FV */
  .fv {
    height: 160vh; /* 100vh(video) + 60vh(overlay) */
  }
  .fv__overlay {
    top: 100vh;
    height: 60vh;
    padding: 40px 16px;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 0%, rgba(0,0,0,.7) 14%);
  }
  .fv__text {
    margin: 0 0 24px 16px;
  }
  .fv__text h1 {
    font-size: 2rem;
    line-height: 1.5;
  }
  .fv__text span {
    font-size: 2.4rem;
  }
  .fv__message {
    position: static;
    text-align: left;
    margin: 12px 16px 0;
    font-size: 1.2rem;
    line-height: 1.7;
  }

  /* STOCK CAR */
  .stockcar {
    padding-bottom: 60px;
  }
  .stockcar__head {
    margin: 60px 16px 16px;
  }
  .stockcar__title {
    font-size: 2.2rem;
    margin: 0;
  }
  .stockcar__status {
    right: -40px;
    top: -20px;
    font-size: 6rem;
    opacity: .12;
  }
  .stockcar__desc {
    font-size: 1.2rem;
    margin: 8px 16px 0;
  }
  .stockcar__more {
    margin: 16px 16px 0;
  }
  .btn-viewmore {
    padding: 10px 18px;
    font-size: 12px;
    border-width: 1.5px;
  }

  /* Carousel（前面/背景とも） */
  .carousel-area {
    margin-top: 24px;
  }
  .infinite-carousel {
    padding-bottom: 100px;
  }
  .carousel-track img,
  .background-track img {
    width: 70vw;        /* 3枚 -> 1.5枚見せに */
  }
  .background-carousel {
    transform: scale(.9);
    filter: blur(4px);
  }

  /* STAFF */
  .staff-area__title {
    font-size: 2.2rem;
    margin: 50px 16px 16px auto;
  }
  .staff-area__copy {
    font-size: 1.2rem;
    margin: 0 16px 14px auto;
  }
  .staff-area__viewmore {
    margin: 0 16px 0 auto;
    padding: 10px 18px;
    font-size: 12px;
  }
  .staff-area__bg-text {
    left: -20px;
    top: -20px;
    font-size: 8rem;
    opacity: .12;
  }
  .staff-area__photos img {
    width: 50%;      /* 2列表示 */
  }
}

/* =========================
   Small Mobile (～600px)
   ========================= */
@media (max-width: 600px) {

  /* FVもっとコンパクトに */
  .fv {
    height: 150vh;
  }
  .fv__overlay {
    height: 100vh;
    padding: 32px 14px;
  }
  .fv__text h1 {
    font-size: 1.8rem;
  }
  .fv__text span {
    font-size: 2.2rem;
  }
  .fv__message {
    font-size: 1.05rem;
    margin: 8px 14px 0;
  }

  /* STOCK CAR さらに縮小 */
  .stockcar__title {
    font-size: 2rem;
  }
  .stockcar__status {
    font-size: 6.5rem;
    right: -20px;
    top: -10px;
  }
  .stockcar__desc {
    font-size: 1.05rem;
  }
  .btn-viewmore {
    font-size: 11px;
    padding: 9px 16px;
  }
  .carousel-track img,
  .background-track img {
    width: 80vw;
  }

  /* STAFF 1列 or 2列維持（ここでは2列のまま） */
  .staff-area__title {
    font-size: 2rem;
  }
  .staff-area__bg-text {
    font-size: 6.5rem;
  }
  .staff-area__photos img {
    width: 50%;
  }
  .staff-area__photos {
    display: none;
  }
}

/* =========================
   Very Small (～400px)
   ========================= */
@media (max-width: 400px) {
  .logo img { height: 32px; }

  .fv__text h1 { font-size: 1.6rem; }
  .fv__text span { font-size: 2rem; }

  .stockcar__title { font-size: 1.8rem; }
  .stockcar__desc { font-size: 1rem; }

  .staff-area__title { font-size: 1.8rem; }
  .staff-area__copy { font-size: 1.1rem; }

  .carousel-track img,
  .background-track img {
    width: 88vw;
  }
}