.bg-grey-5,
.bg-grey-25,
.bg-gold-1,
.bg-gold-2,
.bg-gold-3 {
  padding: 4rem 2rem;
}

.bg-grey-5 {
  background-color: var(--grey-5);
}
.bg-grey-25 {
  background-color: var(--grey-25);
}
.bg-gold-1 {
  background-image: var(--grad-gold);
}
.bg-gold-2 {
  background-image: url(../images/ui/bg-01.jpg);
  background-size: cover;
}
.bg-gold-3 {
  background-image: url(../images/ui/bg-06.jpg);
  background-size: cover;
}
.bg-white {
  background-color: white;
  padding-bottom: 1rem;
  position: relative;
}
.bg-white::before {
  content: "";
  position: absolute;
  right: -1rem;
  width: 1rem;
  height: 100%;
  background-color: white;
}

/* HERO */
.bg-hero-01 {
  background-image: url(../images/ui/hero-01.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.bg-hero-02 {
  background-image: -o-linear-gradient(left, var(--grey-20), var(--grey-15));
  background-image: -webkit-gradient(linear, left top, right top, from(var(--grey-20)), to(var(--grey-15)));
  background-image: linear-gradient(90deg, var(--grey-20), var(--grey-15));
}
.bg-hero-02::after {
  content: url("../images/ui/hero-02.jpg");
  position: absolute;
  top: 0;
  right: 0;
  -webkit-transform: translateY(24px);
  -ms-transform: translateY(24px);
  transform: translateY(24px);
  z-index: 1;
}
.bg-hero-03 {
  background-image: url(../images/ui/hero-03.jpg);
  background-size: 100vw;
  background-position: top right;
  background-repeat: no-repeat;
}
.bg-hero-03::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100vw;
  height: calc(100vw * 19 / 36);
  background-image: url(../images/ui/hero-03-x.jpg);
  background-position: top right;
  background-size: contain;
  background-repeat: no-repeat;
  z-index: -1;
}
.bg-hero-04 {
  background-image: url(../images/ui/hero-04.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.bg-main-01 {
  background-image: url(../images/ui/bg-03.jpg);
  background-size: clamp(240px, 35vw, 360px);
  background-repeat: no-repeat;
  background-position: bottom right;
}
.bg-main-03 {
  background-image: url(../images/ui/bg-05-bot.jpg);
  background-size: clamp(240px, 35vw, 360px);
  background-repeat: no-repeat;
  background-position: bottom left;
}
.bg-main-04 {
  background-image: url(../images/ui/bg-07.jpg);
  background-size: clamp(240px, 35vw, 360px);
  background-repeat: no-repeat;
  background-position: bottom right;
}
.bg-section-01 {
  position: relative;
  background-image: url(../images/ui/bg-04.png);
  background-size: clamp(240px, 35vw, 360px);
  background-repeat: no-repeat;
  background-position: bottom left;
  z-index: 10;
  padding-bottom: 5rem;
}
.bg-section-01::after {
  content: "";
  position: absolute;
  bottom: 0;
  height: 24px;
  width: 100vw;
  background-image: var(--grad-gold);
  z-index: 1;
}
.q-grey::before {
  content: url("../images/ui/q-grey.svg");
  position: absolute;
  width: 360px;
  opacity: 0.15;
  bottom: -300px;
  left: -180px;
  z-index: -1;
}
.q-grey-2::before {
  content: url("../images/ui/q-grey-right.svg");
  position: absolute;
  width: 20%;
  opacity: 0.15;
  top: 50%;
  right: 0;
  z-index: 1;
}

/* 720 */

@media screen and (max-width: 720px) {
  .bg-grey-5,
  .bg-grey-25,
  .bg-gold-1,
  .bg-gold-2,
  .bg-gold-3 {
    padding: 3rem 0;
  }
  .bg-main-01,
  .bg-main-02,
  .bg-main-03,
  .bg-main-04,
  .bg-section-01 {
    background-size: 0;
  }
  .bg-section-01 {
    padding-bottom: 4rem;
  }
  .bg-white::before {
    content: "";
    position: absolute;
    right: -1rem;
    width: 0;
    height: 0;
    background-color: white;
  }
  .bg-hero-03 {
    background-size: 150vw;
    background-position: top center;
  }
  .bg-hero-03::after {
    background-image: none;
  }
  .bg-hero-02::after,
  .q-grey::before,
  .q-grey-2::before {
    content: "";
  }
}