:root {
  --color-pink: #f4758c;
  --color-white: #fff;
  --color-black: #333333;
}

.p-hero {
  text-align: center;
  padding: 12% 5%;
}
@media screen and (min-width: 960px) {
  .p-hero {
    padding: 10.5% 30px;
  }
}
.p-hero__ttl {
  margin: 0 auto;
  margin-bottom: 34px;
  width: 83%;
  transform: translateY(35px);
  opacity: 0;
}
.is-select .p-hero__ttl {
  opacity: 1;
  transform: translateY(0);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: 0.3s;
}
@media screen and (min-width: 960px) {
  .p-hero__ttl {
    width: 75%;
    margin-bottom: 40px;
  }
}
.p-hero__text {
  font-weight: 700;
  font-size: 13px;
  line-height: 2;
  margin-bottom: 34px;
  transform: translateY(35px);
  opacity: 0;
}
.is-select .p-hero__text {
  opacity: 1;
  transform: translateY(0);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: 0.5s;
}
@media screen and (min-width: 960px) {
  .p-hero__text {
    font-size: 16px;
    margin-bottom: 39px;
  }
}
.p-hero__text .is-pink {
  vertical-align: baseline;
  color: var(--color-pink);
}
.p-hero__btn {
  width: 90%;
  margin: 0 auto;
  cursor: pointer;
  transform: translateY(35px);
  opacity: 0;
}
.is-select .p-hero__btn {
  opacity: 1;
  transform: translateY(0);
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1s cubic-bezier(0.25, 1, 0.5, 1);
  transition-delay: 0.7s;
}
@media screen and (min-width: 960px) {
  .p-hero__btn {
    width: 360px;
  }
}
@media (hover: hover) {
  .p-hero__btn:hover .p-hero__btn-inner {
    transform: scale(0.97);
    background-color: var(--color-black);
  }
}
.p-hero__btn-inner {
  padding: 21px 0 23px;
  background-color: var(--color-pink);
  border-radius: 100px;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), background 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
@media screen and (min-width: 960px) {
  .p-hero__btn-inner {
    padding: 25px 0 27px;
  }
}
.p-hero__btn-text {
  color: var(--color-white);
  font-weight: 700;
}
@media screen and (min-width: 960px) {
  .p-hero__btn-text {
    font-size: 20px;
  }
}

.p-sisaku {
  position: relative;
  height: 100%;
}
.p-sisaku__logo {
  position: absolute;
  top: 13px;
  left: 15px;
  width: 95px;
  z-index: 1;
}
@media screen and (min-width: 960px) {
  .p-sisaku__logo {
    top: 15px;
    left: 19px;
    width: 113px;
  }
}
.p-sisaku__sound {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 60px;
  z-index: 1;
}
@media screen and (min-width: 960px) {
  .p-sisaku__sound {
    top: 12px;
    right: 11px;
    width: 72px;
  }
}
@media (hover: hover) {
  .p-sisaku__sound:hover img {
    transform: scale(0.97);
    opacity: 0.7;
  }
}
.p-sisaku__sound-base {
  pointer-events: none;
  opacity: 0;
}
.p-sisaku__sound-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}
.p-sisaku__sound-item.is-current {
  opacity: 1;
  pointer-events: none;
}
.p-sisaku__sound-item img {
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.p-sisaku__btn {
  position: absolute;
  bottom: 3%;
  left: 50%;
  transform: translateX(-50%);
  width: 47%;
  cursor: pointer;
}
.p-sisaku__btn.is-lock {
  pointer-events: none;
}
@media screen and (min-width: 960px) {
  .p-sisaku__btn {
    width: 51%;
    bottom: 1%;
  }
}
@media (hover: hover) {
  .p-sisaku__btn {
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  }
  .p-sisaku__btn:hover {
    transform: translateX(-50%) scale(0.97);
  }
}
.p-sisaku__btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../img/btn_botan_off.png) no-repeat center center;
  background-size: contain;
  opacity: 0;
  pointer-events: none;
}
.p-sisaku__btn:active::after {
  opacity: 1;
}
.p-sisaku__btn:active img {
  opacity: 0;
}
.p-sisaku__kamiina {
  position: absolute;
  pointer-events: none;
  top: 0%;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: 1280vw;
  max-width: 4800px;
}
@media screen and (min-width: 960px) {
  .p-sisaku__kamiina {
    transform: translateX(-50%);
    width: 5760px;
    max-width: none;
  }
}
.p-sisaku__kamiina-img {
  position: absolute;
  top: 40%;
  left: 62%;
  transform: translateX(-50%);
  width: 100%;
}
.p-sisaku__kamiina img {
  width: 100%;
  transform: scale(0.01) translateY(-10.5%);
  transform-origin: 38.1% 0;
  transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}
@media screen and (min-width: 960px) {
  .p-sisaku__kamiina img {
    top: -44%;
    left: -36%;
  }
}
.is-start .p-sisaku__kamiina[data-size="0"] img {
  transform: scale(0.01) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="1"] img {
  transform: scale(0.03) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="2"] img {
  transform: scale(0.08) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="3"] img {
  transform: scale(0.1) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="4"] img {
  transform: scale(0.3) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="5"] img {
  transform: scale(0.4) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="6"] img {
  transform: scale(0.5) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="7"] img {
  transform: scale(0.6) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="8"] img {
  transform: scale(0.8) translateY(-10.5%);
}
.is-start .p-sisaku__kamiina[data-size="9"] img {
  transform: scale(1) translateY(-10.5%);
}
.p-sisaku__player {
  display: none;
  position: relative;
  z-index: 2;
  width: 40%;
}