@charset "utf-8";


#vdbanner {
  width: 0;
  height: 0;
  margin-top: -50px;
}

*,
::before,
::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

body {
  font-family: serif;
  font-size: 16px;
  color: black;
  line-height: 1.5;
  background-color: black;
}

img {
  max-width: 100%;
  vertical-align: bottom;
}

/* headerここから */
header {
  width: 100%;
  height: 80px;
  background-color: black;
  display: flex;
  position: sticky;
  right: 0;
  top: 0;
  left: 0;
  z-index: 9999;
}


.header_logo {
  display: flex;
  width: 200px;
  align-items: center;
  margin-left: 10px;
}

.header_logo a img {
  transition: filter 0.3s ease;
}

.header_logo a:hover img {
  filter: invert(100%) brightness(1.5);
}


.header_nav_area {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
  margin-right: 20px;
  gap: 20px;
  /* ボタンとメニューの間隔 */
  height: 100%;
  /* 高さ揃える */
}

/* チケットボタン */
.btn,
a.btn,
button.btn {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

a.btn-3d-flip {
  display: block;
  width: 150px;
  margin: 0;
  padding: 0;
  perspective: 600px;
}

a.btn-3d-flip:hover .btn-3d-flip-box {
  -webkit-transform: translateY(-50%) rotateX(90deg);
  transform: translateY(-50%) rotateX(90deg);
}

a.btn-3d-flip.btn-3d-flip2:hover .btn-3d-flip-box2 {
  -webkit-transform: translateX(-50%) rotateY(-90deg);
  transform: translateX(-50%) rotateY(-90deg);
}

.btn-3d-flip-box {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: auto;
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
  -webkit-transform: rotateX(0);
  transform: rotateX(0);
  text-decoration: none;
  text-transform: uppercase;
  color: #fff;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.btn-3d-flip-box2 {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: auto;
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
  -webkit-transform: rotateY(0);
  transform: rotateY(0);
  text-decoration: none;
  text-transform: uppercase;
  color: #fff;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.btn-3d-flip-box-face {
  display: block;
  position: relative;
  width: 100%;
  padding: 1.0rem 0;
  -webkit-transition: all 0.4s;
  transition: all 0.4s;
  color: #fff;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.btn-3d-flip-box-face--front {
  background: #eb6100;
}

.btn-3d-flip-box-face--back {
  position: absolute;
  top: 100%;
  left: 0;
  -webkit-transform: translateY(-1px) rotateX(-90deg);
  transform: translateY(-1px) rotateX(-90deg);
  -webkit-transform-origin: 50% 0;
  transform-origin: 50% 0;
  background: #dc5b00;
}

.btn-3d-flip-box-face--front2 {
  color: #000;
  border: 2px solid gray;
  background: #fff;
}

.btn-3d-flip-box-face--back2 {
  position: absolute;
  top: 0;
  left: 100%;
  -webkit-transform: translateX(-1px) rotateY(90deg);
  transform: translateX(-1px) rotateY(90deg);
  -webkit-transform-origin: 0 0;
  transform-origin: 0 0;
  color: #fff;
  border: 2px solid gray;
  background: #000;
}

.fa-position-right {
  position: absolute;
  top: calc(50% - 0.5em);
  right: 1rem;
}

/* ハンバーガーメニュー */
.hero {
  background-color: rgba(177, 177, 177, 0.24);
  background-position: 50% 50%;
  background-size: cover;
  height: 100vh;
}

.menu {
  height: 20px;
  width: 40px;
  position: relative;
  /* ← ここが絶対に必要 */
  z-index: 99;
  cursor: pointer;
}

.menu__line {
  background: #fff;
  display: block;
  height: 2px;
  position: absolute;
  transition: transform .3s;
  width: 100%;
}

.menu__line--center {
  top: 9px;
}

.menu__line--bottom {
  bottom: 0;
}

.menu__line--top.active {
  top: 8px;
  transform: rotate(45deg);
}

.menu__line--center.active {
  transform: scaleX(0);
}

.menu__line--bottom.active {
  bottom: 10px;
  transform: rotate(135deg);
}

.gnav {
  background: rgba(221, 221, 221, 0.938);
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  /* ← 修正ポイント */
  z-index: 98;
}

.gnav__wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  /* ← 中央寄せするなら追加 */
  width: 100%;
  height: 100vh;
  /* ← 修正ポイント */
  position: relative;
  /* ← absolute だと親とズレるため変更 */
}

.gnav__menu {
  position: absolute;
  left: 40%;
}

.gnav__menu__item {
  margin: 40px 0 40px 100px;
  opacity: 0;
}

.gnav__menu__item a {
  color: black;
  font-size: 1.5em;
  font-weight: bold;
  text-decoration: none;
  transition: .5s;
}

.gnav__menu__item a {
  padding-bottom: 5px;
  position: relative;
}

.gnav__menu__item a::before {
  background: black;
  content: '';
  width: 100%;
  height: 2px;
  position: absolute;
  left: 0;
  bottom: 0;
  transform-origin: right top;
  transform: scale(0, 1);
  transition: transform .3s;
}

.gnav__menu__item a:hover::before {
  transform-origin: left top;
  transform: scale(1, 1);
}

.gnav__menu__item_small {
  margin-bottom: 10px;
}

.gnav__menu__item_small a:hover {
  color: #666;
}


/* footerここから */
footer {
  width: 100%;
  background-color: black;
  color: white;
  padding-top: 50px;
  padding-bottom: 20px;
  position: relative;
}


.footer_logo {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.footer_logo img {
  width: 400px;
}

.sns_area {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.sns_area img {
  width: 50px;
}

.sns_logo {
  display: flex;
  justify-content: space-between;
}

.snsicon {
  margin-left: 30px;
  margin-right: 30px;
}

.footer_nav_area {
  text-align: center;
  margin-bottom: 40px;
}

.copyright {
  text-align: center;
}



.footer_nav_area a.kiyaku::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1em;
  background-color: #ccc;
  margin: 0 50px;
  vertical-align: middle;
}

.footer_nav_area a:hover {
  color: #666;
}

.sns_area .sns_logo a:hover img {
  filter: grayscale(100%) brightness(0.7);
}

/* 色が反転する */
.footer_logo a img {
  transition: filter 0.3s ease;
}

.footer_logo a:hover img {
  filter: invert(100%) brightness(1.5);
}

/* カメラ */
.camera {
  position: absolute;
  bottom: 20%;
  right: 10%;
  width: 150px;
}

@media screen and (max-width: 768px) {
  .header_logo {
    width: 120px;
  }

  .btn-3d-flip-box2 {
    width: 80%;
  }

  .btn-3d-flip-box-face {
    font-size: 14px;
  }

  .header_nav_area {
    margin-left: auto;
    margin-right: 10px;
    gap: 10px;
  }

  .footer_logo {
    width: 300px;
    margin: 0 auto 20px;
  }

  .sns_logo {
    width: 200px;
  }

  .camera {
    width: 15%;
    bottom: 40%;
    right: 10%;
  }

  .footer_nav_area {
    font-size: 14px;
  }

}

@media screen and (max-width: 480px) {
  .header_logo {
    width: 100px;
  }

  .btn-3d-flip-box2 {
    width: 60%;
  }

  .btn-3d-flip-box-face {
    font-size: 14px;
  }

  .header_nav_area {
    margin-left: auto;
    margin-right: 5px;
    gap: 3px;
  }

  .footer_logo {
    width: 200px;
    margin: 0 auto 20px;
  }

  .sns_logo {
    width: 150px;
  }

  .camera {
    top: 30%;
    right: 8%;
  }

}