@keyframes mv-fadein {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.mv {
  position: relative;
  animation: mv-fadein 1s ease forwards;
}

.mv__slider {
  position: relative;
  overflow: hidden;
}

.mv__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}
.mv__slide:first-child {
  position: relative;
}
.mv__slide.is-active {
  opacity: 1;
  z-index: 1;
}
.mv__slide picture {
  display: block;
  width: 100%;
}
.mv__slide img {
  width: 100%;
  height: auto;
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
}

.mv__controls {
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  position: absolute;
  left: 4%;
  bottom: 20px;
}

.mv__controls-prev,
.mv__controls-next {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: none;
}
.mv__controls-prev > span,
.mv__controls-next > span {
  display: block;
  width: 6px;
  height: 6px;
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
}

.mv__controls-prev > span {
  transform: rotate(135deg);
  margin-left: 2px;
}

.mv__controls-next > span {
  transform: rotate(-45deg);
  margin-right: 2px;
}

.mv__controls-pause {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.mv__controls-pause > span {
  display: flex;
  gap: 2px;
}
.mv__controls-pause > span::before, .mv__controls-pause > span::after {
  content: "";
  display: block;
  width: 1px;
  height: 6px;
  background: #fff;
}
.mv__controls-pause.is-playing > span {
  gap: 0;
}
.mv__controls-pause.is-playing > span::before {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4px 0 4px 7px;
  border-color: transparent transparent transparent rgba(64, 64, 64, 0.4);
  background: none;
}
.mv__controls-pause.is-playing > span::after {
  display: none;
}

.mv__controls-dots {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mv__controls-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #fff;
  cursor: pointer;
  padding: 0;
  background: none;
  transition: background 0.3s ease;
}
.mv__controls-dot.is-active {
  background: #fff;
}

.nav {
  background: #C60604;
}
.nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 17px;
}
.nav__list a {
  display: grid;
  color: #fff;
  border-left: 1px solid;
  padding-left: 10px;
  grid-template-columns: auto 9px;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 600;
}
.nav__list a::after {
  content: "";
  width: 100%;
  aspect-ratio: 12/5;
  background: #fff;
  -webkit-mask: url(/assets/img/common/icon_arrow_02.svg);
          mask: url(/assets/img/common/icon_arrow_02.svg);
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
}
.nav__list a.is-blank {
  grid-template-columns: auto 12px;
}
.nav__list a.is-blank::after {
  aspect-ratio: 1/1;
  -webkit-mask: url(/assets/img/common/icon_arrow_03.svg);
          mask: url(/assets/img/common/icon_arrow_03.svg);
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-size: contain;
          mask-size: contain;
}

.bg01 {
  background: linear-gradient(#fff0f0 0%, #fff 100%);
}

.intro {
  position: relative;
  overflow: hidden;
}
.intro::before {
  content: "";
  width: 100%;
  height: 250px;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: url(/assets/img/top/bg_intro.svg) no-repeat center/auto 100%;
}
.intro .l-contents {
  position: relative;
}
.intro__ttl {
  display: block;
  font-weight: 600;
  font-size: 2.9rem;
}
.intro__ttl sup {
  line-height: 1;
  font-size: 40%;
  position: relative;
  top: -5px;
}
.intro__ttl em {
  display: inline-block;
  position: relative;
  line-height: 1;
  color: #FF0100;
  font-weight: 600;
  font-size: 3.8rem;
}
.intro__ttl em span {
  width: 100%;
  position: absolute;
  bottom: calc(100% + 2px);
  left: 0;
  text-align: center;
  font-size: 1.4rem;
}
.intro__box {
  max-width: 547px;
  margin: 0 auto;
}
.intro__box-ttl {
  display: grid;
  grid-template-columns: 27px 1fr;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 2.4rem;
}
.intro__box-ttl::before {
  content: "";
  width: 100%;
  aspect-ratio: 1/1;
  background: url(/assets/img/top/icon_01.png) no-repeat center/contain;
}
.intro__box-list li {
  font-weight: 600;
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #F47000;
  font-size: 1.7rem;
  padding: 9px 0;
  line-height: 1.6;
}
.intro__box-list li::before {
  content: "";
  width: 100%;
  aspect-ratio: 1/1;
  background: url(/assets/img/top/icon_02.png) no-repeat center/contain;
}
.intro__box-list2 {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
}
.intro__box-list2 li {
  aspect-ratio: 1/1;
  text-align: center;
  place-content: center;
  background: url(/assets/img/top/bg_01.png) no-repeat center/100% 100%;
  font-size: 1.9rem;
  letter-spacing: 0.01em;
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
}

.features__box-wrap {
  display: grid;
  gap: 24px;
}
.features__box {
  background: #fff;
  display: grid;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
}
.features__box-heading {
  display: grid;
  grid-template-columns: 47px 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.features__box-num {
  aspect-ratio: 1/1;
  text-align: center;
  font-size: 2rem;
  font-weight: 600;
  background: #F47100;
  color: #fff;
  line-height: 1;
}
.features__box-num span {
  display: inline-block;
  font-size: 1rem;
}
.features__box-ttl {
  font-weight: 600;
  font-size: 2rem;
  color: #C60604;
}

.history .m-heading-01 {
  justify-content: flex-start;
}
.history .m-heading-en {
  padding-left: 35px;
}
.history__txt {
  line-height: 2;
}
.history__txt em {
  display: inline-block;
  position: relative;
  line-height: 1;
  font-weight: 400;
}
.history__txt em span {
  width: 100%;
  position: absolute;
  bottom: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: -0.15em;
  white-space: nowrap;
}

.lineup {
  background: #C60604;
}
.lineup .m-heading-en {
  color: rgba(255, 255, 255, 0.3);
}

.faq {
  background: #FFF0F0;
}
.faq__item em {
  display: inline-block;
  position: relative;
  line-height: 1;
  padding-top: 15px;
  font-weight: 600;
}
.faq__item em span {
  width: 100%;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: -0.15em;
  white-space: nowrap;
}
.faq__ttl {
  color: #fff;
  background: #C60604;
  border-bottom: 1px solid #fff;
  font-size: 1.6rem;
  line-height: 1.5;
  font-weight: 600;
  padding: 16px 6%;
  display: grid;
  grid-template-columns: auto 1fr 26px;
  gap: 14px;
  align-items: center;
  cursor: pointer;
}
.faq__ttl .is-num {
  display: inline-block;
}
.faq__ttl::after {
  content: "";
  width: 26px;
  height: 26px;
  position: relative;
  background: linear-gradient(#fff, #fff) center/26px 6px no-repeat, linear-gradient(#fff, #fff) center/6px 26px no-repeat;
  transition: background 0.3s ease;
}
.faq__item.is-open .faq__ttl::after {
  background: linear-gradient(#fff, #fff) center/26px 6px no-repeat;
}
.faq__txt {
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
  background: #fff;
  padding: 16px 8%;
  margin-bottom: 8px;
}
.faq__txt em {
  font-weight: 400;
}
@media screen and (min-width: 768px) {
  .mv {
    padding-top: 74px;
  }
  .mv .m-conact {
    position: absolute;
    bottom: 25px;
  }
  .nav__list {
    gap: 40px 80px;
  }
  .nav__list a {
    grid-template-columns: auto 12px;
    font-size: 1.8rem;
  }
  .nav__list a.is-blank {
    grid-template-columns: auto 24px;
  }
  .intro::before {
    width: 1280px;
    height: auto;
    aspect-ratio: 1280/428;
    background-size: contain;
  }
  .intro__ttl {
    font-size: 4rem;
    line-height: 1.875;
  }
  .intro__ttl em {
    font-size: 5rem;
  }
  .intro__ttl em span {
    font-size: 1.8rem;
    bottom: calc(100% + 8px);
  }
  .intro__box-ttl {
    font-size: 3.2rem;
  }
  .intro__box-list li {
    font-size: 2.2rem;
  }
  .intro__box-list2 {
    gap: 10px;
  }
  .intro__box-list2 li {
    font-size: 2.8rem;
  }
  .features__box {
    grid-template-columns: repeat(2, 1fr);
    padding: 40px;
    gap: 24px;
  }
  .features__box-heading {
    gap: 16px;
  }
  .features__box-ttl {
    font-size: 3.2rem;
  }
  .history .m-heading-en {
    padding-left: 53px;
  }
  .history__contents {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .history__txt {
    font-size: 1.8rem;
    line-height: 2.9;
  }
  .history__txt em span {
    transform: translateX(-75%);
    bottom: calc(100% + 3px);
    font-size: 1.2rem;
  }
  .history__txt-row {
    display: contents;
  }
  .faq__item em span {
    font-size: 1.2rem;
  }
  .faq__ttl {
    font-size: 2.2rem;
    padding: 18px 40px;
  }
  .faq__txt {
    padding: 24px 40px;
  }
}
@media screen and (max-width: 767px) {
  .mv__controls {
    justify-content: center;
    left: 0;
    right: 0;
    bottom: 5px;
  }
  .nav {
    padding-left: 4%;
    padding-right: 4%;
  }
  .features__box-unit {
    padding: 20px 4%;
  }
  .history__txt-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}