@charset 'UTF-8';
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
#container {
  overflow: hidden;
}

/* 共通モーダルは画像幅をcontent-box基準で計算する。 */
#lp_wrapper #modal_window_box .main_box {
  box-sizing: content-box;
}
#lp_wrapper #modal_window_box img.scaling {
  max-width: 100%;
  height: auto;
}

.page-feature {
  position: relative;
  overflow: hidden;
  background: #1a1f4d;
  color: #fff;
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  line-height: 1.6;
}
.page-feature button {
  outline: none;
  border: none;
  background-color: transparent;
  cursor: pointer;
}
.page-feature img {
  vertical-align: bottom;
  max-width: 100%;
}
.page-feature ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-feature h1,
.page-feature h2,
.page-feature h3,
.page-feature .feature-header .tx-header {
  margin-bottom: 20px;
}
.page-feature section {
  margin-bottom: 0;
}
.page-feature .btn-regist {
  font-size: 18px;
  font-weight: bold;
  margin-top: 20px;
}
.page-feature .btn-regist-area {
  margin: 50px auto;
}
.page-feature .btn-regist-area .ntg-btn-registration {
  position: relative;
  width: min(320px, calc(100% - 40px));
  max-width: 100%;
  aspect-ratio: 400 / 100;
  height: auto;
  padding: 0;
  overflow: hidden;
  box-sizing: border-box;
  background-color: transparent;
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/cta_btn.webp");
  background-repeat: no-repeat;
  background-position: 0 0;
  background-size: 100% auto;
  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}
.page-feature .btn-regist-area .ntg-btn-registration:hover,
.page-feature .btn-regist-area .ntg-btn-registration:focus-visible {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/cta_btn.webp");
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 100% auto;
  transform: translateY(-3px) scale(1.025);
  filter: brightness(1.12) drop-shadow(0 8px 12px rgba(62, 39, 112, 0.45));
}
.page-feature .btn-regist-area .ntg-btn-registration img {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-feature .sec-title {
  text-align: center;
  margin: 0 0 30px;
}
.page-feature .sec-title img {
  display: inline-block;
  width: auto;
  height: 134px;
  max-width: 90%;
}

.page-feature .feature-header {
  position: relative;
  background: #1a1f4d;
  overflow: hidden;
  min-width: 0;
}
.page-feature .feature-header .fv-inner {
  position: relative;
  left: 50%;
  width: max(100%, 1200px);
  min-width: 1200px;
  margin: 0 auto;
  aspect-ratio: 1920 / 905;
  transform: translateX(-50%);
}
.page-feature .feature-header .fv-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 1;
}
.page-feature .feature-header .fv-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-feature .feature-header .fv-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}
.page-feature .feature-header .fv-particle {
  position: absolute;
  left: var(--particle-x);
  bottom: -2%;
  width: var(--particle-size);
  height: var(--particle-size);
  border-radius: 50%;
  opacity: 0;
  background: radial-gradient(circle, #fff 0 20%, rgba(255, 255, 255, 0.85) 35%, rgba(255, 255, 255, 0) 72%);
  box-shadow:
    0 0 8px rgba(255, 255, 255, 0.95),
    0 0 18px rgba(239, 235, 255, 0.7);
  filter: blur(0.4px);
  animation: fv-particle-rise var(--particle-duration) ease-out forwards;
  will-change: transform, opacity;
}
@keyframes fv-particle-rise {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.65);
  }
  14% {
    opacity: var(--particle-opacity);
  }
  38% {
    transform: translate3d(var(--particle-drift-a), var(--particle-travel-a), 0) scale(1);
  }
  68% {
    opacity: var(--particle-opacity-fade);
    transform: translate3d(var(--particle-drift-b), var(--particle-travel-b), 0) scale(0.85);
  }
  100% {
    opacity: 0;
    transform: translate3d(0, var(--particle-travel), 0) scale(0.35);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-feature .feature-header .fv-particles {
    display: none;
  }
}
.page-feature .feature-header .fv-content {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 67%;
  margin: 0 auto;
  z-index: 3;
  pointer-events: none;
}
.page-feature .feature-header .header-logo {
  position: absolute;
  top: 1%;
  left: 5%;
  width: 15%;
  margin: 0;
  pointer-events: none;
}
.page-feature .feature-header .header-logo img {
  display: block;
  width: 100%;
  height: auto;
}
.page-feature .feature-header .header-catch {
  position: absolute;
  margin: 0;
  pointer-events: none;
}
.page-feature .feature-header .header-catch-1 {
  top: 1%;
  right: 0;
  width: 6%;
}
.page-feature .feature-header .header-catch-2 {
  top: 1%;
  left: 0;
  width: 6%;
}
.page-feature .feature-header .header-catch img {
  display: block;
  width: 100%;
  height: auto;
}
.page-feature .feature-header .fv-dual-support {
  position: absolute;
  left: calc(50% + 300px);
  bottom: calc(22.5% + 10px);
  width: 5.3%;
  margin: 0;
  z-index: 4;
  pointer-events: none;
}
.page-feature .feature-header .fv-dual-support img {
  display: block;
  width: 100%;
  height: auto;
}
.page-feature .feature-header .fv-reserve-details {
  position: absolute;
  left: calc(50% + 180px);
  bottom: 22.5%;
  width: 113px;
  margin: 0;
  z-index: 5;
  transition:
    filter 0.2s ease,
    transform 0.2s ease;
}
.page-feature .feature-header .fv-reserve-details:hover,
.page-feature .feature-header .fv-reserve-details:focus-visible {
  filter: brightness(1.18);
  transform: scale(1.05);
}
.page-feature .feature-header .fv-reserve-details img {
  display: block;
  width: 100%;
  height: auto;
}
.page-feature .feature-header .btn-regist-area.fv-regist {
  position: absolute;
  left: 50%;
  bottom: 4%;
  transform: translateX(-50%);
  margin: 0;
  z-index: 4;
}
.page-feature .feature-header .btn-regist-area.fv-regist .ntg-btn-registration {
  display: block !important;
  width: 320px !important;
  max-width: calc(100vw - 40px) !important;
  min-height: 0;
  visibility: visible !important;
  opacity: 1 !important;
}

.page-feature .feature-contents {
  width: 100%;
}
.page-feature .feature-contents .sec-bonus,
.page-feature .feature-contents .sec-story,
.page-feature .feature-contents .sec-character,
.page-feature .feature-contents .sec-about {
  padding: 80px 0;
  background-position: center top;
  background-repeat: no-repeat;
  background-size: cover;
}

.page-feature .sec-bonus {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_bg.webp");
  background-color: #1a1f4d;
}
.page-feature .sec-bonus .bonus-box {
  position: relative;
  isolation: isolate;
  width: 900px;
  max-width: calc(100% - 40px);
  margin: 0 auto;
  padding: 20px 70px;
  box-sizing: border-box;
}
.page-feature .sec-bonus .bonus-box::before {
  content: "";
  position: absolute;
  inset: 40px;
  background: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.png") repeat;
  background-image: image-set(url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.webp") type("image/webp"), url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.png") type("image/png"));
  z-index: 1;
}
.page-feature .sec-bonus .bonus-frame {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.page-feature .sec-bonus .bonus-frame-corner,
.page-feature .sec-bonus .bonus-frame-edge {
  position: absolute;
  display: block;
}
.page-feature .sec-bonus .bonus-frame-corner {
  width: 40px;
  height: 40px;
  background: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_1.png") no-repeat center / 100% 100%;
  background-image: image-set(url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_1.webp") type("image/webp"), url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_1.png") type("image/png"));
}
.page-feature .sec-bonus .bonus-frame-corner--tl {
  top: 0;
  left: 0;
}
.page-feature .sec-bonus .bonus-frame-corner--tr {
  top: 0;
  right: 0;
  transform: scaleX(-1);
}
.page-feature .sec-bonus .bonus-frame-corner--bl {
  bottom: 0;
  left: 0;
  transform: scaleY(-1);
}
.page-feature .sec-bonus .bonus-frame-corner--br {
  right: 0;
  bottom: 0;
  transform: scale(-1);
}
.page-feature .sec-bonus .bonus-frame-edge--top,
.page-feature .sec-bonus .bonus-frame-edge--bottom {
  right: 40px;
  left: 40px;
  height: 40px;
  background: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2.png") repeat-x center top / 40px 40px;
  background-image: image-set(url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2.webp") type("image/webp"), url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2.png") type("image/png"));
}
.page-feature .sec-bonus .bonus-frame-edge--top {
  top: 0;
}
.page-feature .sec-bonus .bonus-frame-edge--bottom {
  bottom: 0;
  transform: scaleY(-1);
}
.page-feature .sec-bonus .bonus-frame-edge--left,
.page-feature .sec-bonus .bonus-frame-edge--right {
  top: 40px;
  bottom: 40px;
  width: 40px;
  background: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2_vertical.png") repeat-y center top / 40px 40px;
  background-image: image-set(url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2_vertical.webp") type("image/webp"), url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_2_vertical.png") type("image/png"));
}
.page-feature .sec-bonus .bonus-frame-edge--left {
  left: 0;
}
.page-feature .sec-bonus .bonus-frame-edge--right {
  right: 0;
  transform: scaleX(-1);
}
.page-feature .sec-bonus .bonus-list {
  position: relative;
  z-index: 4;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-feature .sec-bonus .bonus-item {
  position: relative;
  list-style: none;
  padding: 18px 32px;
  border-top: 1px solid rgba(255, 216, 107, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.page-feature .sec-bonus .bonus-item:first-child {
  border-top: none;
}
.page-feature .sec-bonus .bonus-title {
  margin: 0 0 10px;
  text-align: center;
}
.page-feature .sec-bonus .bonus-title img {
  display: inline-block;
  width: auto;
  height: auto;
  max-height: 86px;
}
.page-feature .sec-bonus .bonus-rewards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-feature .sec-bonus .bonus-rewards li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-feature .sec-bonus .bonus-rewards li img {
  display: block;
  width: auto;
  height: 74px;
}
.page-feature .sec-bonus .bonus-badge {
  position: absolute;
  top: 16px;
  right: 24px;
  line-height: 0;
  pointer-events: none;
}
.page-feature .sec-bonus .bonus-badge.is-hidden {
  display: none;
}
.page-feature .sec-bonus .bonus-badge img {
  display: block;
  width: 60px;
  height: auto;
}

.page-feature .feature-contents .sec-story {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/story_bg.webp");
  background-position: center top;
  background-repeat: no-repeat;
  background-color: #b9c9e0;
  padding: 80px 0 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.page-feature .sec-story .sec-title {
  margin-bottom: 20px;
}
.page-feature .sec-story .story-image {
  position: relative;
  width: 1100px;
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
  box-sizing: border-box;
  padding: 0 20px;
}
.page-feature .sec-story .story-decoration {
  position: absolute;
  left: 50%;
  bottom: 0;
  z-index: 1;
  width: 1400px;
  max-width: none;
  transform: translateX(-50%);
  pointer-events: none;
}
.page-feature .sec-story .story-image .story-txt {
  display: flex;
  justify-content: center;
  padding: 60px 0 80px 0;
  position: relative;
  z-index: 2;
}
.page-feature .sec-story .story-image .story-txt img {
  display: block;
  width: 663px;
  max-width: none;
  max-height: 80%;
  height: auto;
}

.page-feature .sec-character {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/chara_bg.webp");
  background-color: #5d6db0;
}
.page-feature .sec-character .character-area {
  width: 1120px;
  max-width: 100%;
  margin: 0 auto;
}
.page-feature .sec-character .character-slider {
  width: 100%;
  padding: 0 110px 50px;
  box-sizing: border-box;
  position: relative;
  aspect-ratio: 1120 / 566;
}
.page-feature .sec-character .character-slide {
  position: relative;
  flex: 0 0 100%;
}
.page-feature .sec-character .character-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}
.page-feature .sec-character .character-slide picture {
  display: block;
  width: 100%;
  height: 100%;
}

.page-feature .sec-about {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/about_bg.webp");
  background-color: #b8a4d8;
}
.page-feature .sec-about .about-slider {
  width: 1120px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 110px 50px;
  box-sizing: border-box;
  position: relative;
  aspect-ratio: 1120 / 522;
}
.page-feature .sec-about .about-slide {
  position: relative;
  flex: 0 0 100%;
}
.page-feature .sec-about .about-slider .about-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.page-feature .sec-about .about-slide picture {
  display: block;
  width: 100%;
  height: 100%;
}
.page-feature .slider-viewport {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.page-feature .slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.65s ease;
  will-change: transform;
}

.page-feature .slick-prev,
.page-feature .slick-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100px;
  height: 100px;
  padding: 0;
  border: none;
  font-size: 0;
  line-height: 0;
  cursor: pointer;
  z-index: 2;
  background-color: transparent;
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slide_arrow.webp");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  transition:
    transform 0.25s ease,
    filter 0.25s ease;
}
.page-feature .slick-prev {
  left: 0;
}
.page-feature .slick-next {
  right: 0;
  transform: translateY(-50%) scaleX(-1);
}
.page-feature .slick-prev:hover,
.page-feature .slick-next:hover,
.page-feature .slick-prev:focus-visible,
.page-feature .slick-next:focus-visible {
  filter: brightness(1.3) drop-shadow(0 0 14px rgba(255, 255, 255, 0.95));
}
.page-feature .slick-prev:hover,
.page-feature .slick-prev:focus-visible {
  transform: translateY(-50%) scale(1.14);
}
.page-feature .slick-next:hover,
.page-feature .slick-next:focus-visible {
  transform: translateY(-50%) scaleX(-1) scale(1.14);
}
.page-feature .slick-prev:before,
.page-feature .slick-next:before {
  content: "";
  display: none;
}

.page-feature .slick-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: center;
  font-size: 0;
  line-height: 0;
}
.page-feature .slick-dots li {
  display: inline-block;
  vertical-align: middle;
  width: 18px;
  height: 18px;
  margin: 0 6px;
  padding: 0;
}
.page-feature .slick-dots li button {
  display: block;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  font-size: 0;
  line-height: 0;
  cursor: pointer;
  background-color: transparent;
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slider_pagination.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.page-feature .slick-dots li.slick-active button {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slider_pagination_active.png");
}
.page-feature .slick-dots li button:before {
  content: "";
  display: none;
}

.page-feature .feature-footer {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/footer_bg.webp");
  background-position: center top;
  background-repeat: no-repeat;
  background-size: cover;
  background-color: #1a1f4d;
  padding: 80px 0 40px;
  text-align: center;
}
.page-feature .feature-footer .btn-regist-area {
  margin: 0 auto 40px;
}
.page-feature .feature-footer .footer-sns {
  margin: 30px 0;
  text-align: center;
}
.page-feature .feature-footer .footer-sns a {
  display: inline-block;
  transition: opacity 0.2s ease;
}
.page-feature .feature-footer .footer-sns a:hover {
  opacity: 0.8;
}
.page-feature .feature-footer .footer-sns img {
  display: block;
  width: 220px;
  height: auto;
}
.page-feature .feature-footer .footer-product {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 40px auto;
  color: #fff;
}
.page-feature .feature-footer .footer-product-info {
  margin: 0;
}
.page-feature .feature-footer .footer-product-info img {
  display: block;
  width: auto;
  max-width: 500px;
  height: auto;
}

.page-feature #page-top {
  position: fixed;
  right: 8vw;
  bottom: 2vw;
  margin: 0;
  z-index: 9999;
}
.page-feature #page-top.is-stop {
  position: absolute;
  right: 8vw;
  bottom: 0;
}
.page-feature #page-top a {
  display: block;
  width: 80px;
  height: 80px;
  transition: opacity 0.2s ease;
}
.page-feature #page-top a:hover {
  opacity: 0.8;
}
.page-feature #page-top img {
  display: block;
  width: 100%;
  height: auto;
}

@media screen and (max-width: 769px) {
  .page-feature {
    position: relative;
    color: #fff;
    font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, sans-serif;
    line-height: 1.6;
    overflow: hidden;
  }
  .page-feature button {
    outline: none;
    border: none;
    background-color: transparent;
    cursor: pointer;
  }
  .page-feature img {
    vertical-align: bottom;
    max-width: 100%;
    width: 65vw;
    height: auto;
  }
  .page-feature ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .page-feature h1,
  .page-feature h2,
  .page-feature h3,
  .page-feature .feature-header .tx-header {
    margin-bottom: 3.2vw;
    text-align: center;
  }
  .page-feature section,
  .page-feature .feature-footer {
    margin-bottom: 0;
  }
  .page-feature .feature-pv {
    text-align: center;
  }
  .page-feature .feature-contents .sec-pv video {
    width: 92vw;
    display: block;
    margin: 0 auto;
  }

  .page-feature .sec-title {
    text-align: center;
    margin: 0 0 4vw;
  }
  .page-feature .sec-title img {
    width: auto;
    height: 16vw;
    max-width: 90vw;
  }

  .page-feature .feature-header {
    text-align: center;
    margin-bottom: 0;
    box-sizing: border-box;
    max-height: 128vw;
    overflow: hidden;
    position: relative;
    min-width: 0;
  }
  .page-feature .feature-header .fv-inner {
    position: relative;
    left: auto;
    min-width: 0;
    width: 100%;
    aspect-ratio: 750 / 894;
    transform: none;
  }
  .page-feature .feature-header .fv-bg {
    position: absolute;
    inset: 0;
    margin: 0;
  }
  .page-feature .feature-header .fv-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .page-feature .feature-header .header-visual img {
    width: 120vw;
    height: auto;
  }
  .page-feature .feature-header .fv-content {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100vw;
    max-width: none;
    margin: 0 auto;
    transform: none;
    z-index: 2;
    pointer-events: none;
  }
  .page-feature .feature-header .header-logo {
    position: absolute;
    top: 1vw;
    left: 50%;
    width: 32vw;
    transform: translateX(-50%);
    margin: 0;
    pointer-events: none;
  }
  .page-feature .feature-header .header-logo img {
    display: block;
    width: 100%;
    height: auto;
  }
  .page-feature .feature-header .header-catch {
    position: absolute;
    margin: 0;
    pointer-events: none;
  }
  .page-feature .feature-header .header-catch-1 {
    top: 5vw;
    right: 3vw;
    width: 12.5vw;
  }
  .page-feature .feature-header .header-catch-2 {
    top: 5vw;
    left: 3vw;
    width: 12.5vw;
  }
  .page-feature .feature-header .header-catch img {
    width: 100%;
    height: auto;
  }
  .page-feature .feature-header .fv-dual-support {
    left: auto;
    right: 1vw;
    bottom: 20vw;
    width: 14vw;
    z-index: 3;
  }
  .page-feature .feature-header .fv-reserve-details {
    left: auto;
    right: 16vw;
    bottom: 35vw;
    width: 15vw;
    z-index: 4;
  }
  .page-feature .feature-header .btn-regist-area.fv-regist {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10vw;
    margin: 0 auto;
    z-index: 3;
    transform: translateX(0vw);
  }
  .page-feature .feature-header .btn-regist-area.fv-regist .ntg-btn-registration {
    width: 55vw !important;
    max-width: none !important;
    min-height: 13.75vw;
  }

  .page-feature .btn-regist-area .ntg-btn-registration {
    position: relative;
    width: min(65vw, 320px);
    max-width: 100%;
    aspect-ratio: 320 / 80;
    height: auto;
    padding: 0;
    overflow: hidden;
    box-sizing: border-box;
    background-color: transparent;
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/cta_btn.webp");
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: 100% auto;
  }
  .page-feature .btn-regist-area .ntg-btn-registration:hover,
  .page-feature .btn-regist-area .ntg-btn-registration:focus-visible {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/cta_btn.webp");
    background-repeat: no-repeat;
    background-position: left bottom;
    background-size: 100% auto;
  }

  .page-feature .btn-regist-area .ntg-btn-registration img {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    white-space: nowrap;
    border: 0;
    clip-path: inset(50%);
    pointer-events: none;
  }

  .page-feature .feature-contents .sec-bonus,
  .page-feature .feature-contents .sec-story,
  .page-feature .feature-contents .sec-character,
  .page-feature .feature-contents .sec-about {
    padding: 10vw 0;
    margin-bottom: 0;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% auto;
  }

  .page-feature .sec-bonus {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/sp/gift_bg.webp");
    background-color: #1a1f4d;
  }
  .page-feature .sec-bonus .bonus-box {
    position: relative;
    isolation: isolate;
    width: 92vw;
    margin: 0 auto;
    padding: 3vw 4vw;
    box-sizing: border-box;
  }
  .page-feature .sec-bonus .bonus-box::before {
    content: "";
    position: absolute;
    inset: 40px;
    background: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.png") repeat;
    background-image: image-set(url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.webp") type("image/webp"), url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/gift_frame_3.png") type("image/png"));
    z-index: 1;
  }
  .page-feature .sec-bonus .bonus-list {
    position: relative;
    z-index: 4;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .page-feature .sec-bonus .bonus-item {
    position: relative;
    list-style: none;
    padding: 1vw 2vw;
    border-top: 1px solid rgba(255, 216, 107, 0.25);
  }
  .page-feature .sec-bonus .bonus-item:first-child {
    border-top: none;
  }
  .page-feature .sec-bonus .bonus-title {
    margin: 0 0 1.5vw;
    text-align: center;
  }
  .page-feature .sec-bonus .bonus-title img {
    display: inline-block;
    width: auto;
    height: auto;
    max-height: 9.5vw;
    max-width: 80vw;
  }
  .page-feature .sec-bonus .bonus-rewards {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0vw;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .page-feature .sec-bonus .bonus-rewards li {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .page-feature .sec-bonus .bonus-rewards li img {
    display: block;
    width: auto;
    height: 9vw;
    max-width: 80vw;
  }
  .page-feature .sec-bonus .bonus-badge {
    position: absolute;
    top: 3vw;
    right: 3vw;
    line-height: 0;
    pointer-events: none;
  }
  .page-feature .sec-bonus .bonus-badge.is-hidden {
    display: none;
  }
  .page-feature .sec-bonus .bonus-badge img {
    display: block;
    width: 10vw;
    height: auto;
  }

  .page-feature .feature-contents .sec-story {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/sp/story_bg.webp");
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-color: #b9c9e0;
    padding: 10vw 0 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }
  .page-feature .sec-story .sec-title {
    margin-bottom: 3vw;
  }
  .page-feature .sec-story .story-image {
    position: relative;
    width: 100vw;
    margin: 0 auto;
    text-align: center;
  }
  .page-feature .sec-story .story-image {
    margin: 0;
  }
  .page-feature .sec-story .story-image img {
    display: block;
    width: 100%;
    height: auto;
  }
  .page-feature .sec-story .story-image .story-txt {
    display: flex;
    justify-content: center;
    padding: 8% 0 12% 0;
    position: relative;
    z-index: 2;
  }
  .page-feature .sec-story .story-image img.story-decoration {
    bottom: 8vw;
    width: 130vw;
    height: 92.625vw;
    aspect-ratio: 1200 / 855;
    max-width: none;
  }
  .page-feature .sec-story .story-image .story-txt img {
    display: block;
    max-width: 84%;
    max-height: 84%;
    width: auto;
    height: auto;
  }

  .page-feature .sec-character {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/sp/chara_bg.webp");
    background-color: #5d6db0;
  }
  .page-feature .sec-character .character-area {
    width: 100vw;
    margin: 0 auto;
  }
  .page-feature .sec-character .character-slider {
    width: 92vw;
    margin: 0 auto;
    padding: 0 0 12vw;
    box-sizing: border-box;
    position: relative;
    aspect-ratio: 92 / 95.64;
  }
  .page-feature .sec-character .character-slide {
    flex-basis: 100%;
  }
  .page-feature .sec-character .character-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
  }

  .page-feature .sec-about {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/sp/about_bg.webp");
    background-color: #b8a4d8;
  }
  .page-feature .sec-about .about-slider {
    width: 92vw;
    margin: 0 auto;
    padding: 0 0 12vw;
    box-sizing: border-box;
    position: relative;
    aspect-ratio: 92 / 62;
  }
  .page-feature .sec-about .about-slide {
    flex-basis: 100%;
  }
  .page-feature .sec-about .about-slider .about-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

  .page-feature .slick-prev,
  .page-feature .slick-next {
    position: absolute;
    top: calc(50% - 6vw);
    transform: translateY(-50%);
    width: 12vw;
    height: 12vw;
    padding: 0;
    border: none;
    font-size: 0;
    line-height: 0;
    cursor: pointer;
    z-index: 2;
    background-color: transparent;
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slide_arrow.webp");
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    transition:
      transform 0.25s ease,
      filter 0.25s ease;
  }
  .page-feature .slick-prev {
    left: -5vw;
  }
  .page-feature .slick-next {
    right: -5vw;
    transform: translateY(-50%) scaleX(-1);
  }
  .page-feature .slick-prev:before,
  .page-feature .slick-next:before {
    content: "";
    display: none;
  }

  .page-feature .slick-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4vw;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    text-align: center;
    font-size: 0;
    line-height: 0;
  }
  .page-feature .slick-dots li {
    display: inline-block;
    vertical-align: middle;
    width: 3vw;
    height: 3vw;
    margin: 0 1vw;
    padding: 0;
  }
  .page-feature .slick-dots li button {
    display: block;
    width: 3vw;
    height: 3vw;
    padding: 0;
    border: none;
    font-size: 0;
    line-height: 0;
    cursor: pointer;
    background-color: transparent;
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slider_pagination.png");
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
  }
  .page-feature .slick-dots li.slick-active button {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/slider_pagination_active.png");
  }
  .page-feature .slick-dots li button:before {
    content: "";
    display: none;
  }

  .page-feature .feature-footer {
    background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/sp/footer_bg.webp");
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-color: #1a1f4d;
    padding: 8vw 0 6vw;
    text-align: center;
    margin-bottom: 0;
  }
  .page-feature .feature-footer .btn-regist-area {
    margin: 4vw auto;
  }
  .page-feature .feature-footer .footer-sns {
    margin: 6vw 0;
    text-align: center;
  }
  .page-feature .feature-footer .footer-sns a {
    display: inline-block;
  }
  .page-feature .feature-footer .footer-sns img {
    display: block;
    width: 40vw;
    height: auto;
  }
  .page-feature .feature-footer .footer-product {
    margin: 6vw auto;
    text-align: center;
    color: #fff;
  }
  .page-feature .feature-footer .footer-product-logo {
    margin: 0 auto 4vw;
  }
  .page-feature .feature-footer .footer-product-logo img {
    width: 50vw;
    height: auto;
  }
  .page-feature .feature-footer .footer-product-info {
    margin: 0 auto;
    text-align: center;
  }
  .page-feature .feature-footer .footer-product-info img {
    display: block;
    width: 70vw;
    height: auto;
    margin: 0 auto;
  }

  .page-feature #page-top {
    position: fixed;
    right: 0;
    bottom: 12vw;
    bottom: max(12vw, 64px);
    margin: 0;
    z-index: 9999;
  }
  .page-feature #page-top.is-stop {
    position: absolute;
    right: 0;
    bottom: 0;
  }
  .page-feature #page-top a {
    display: block;
    width: 14vw;
    height: 14vw;
  }
  .page-feature #page-top img {
    display: block;
    width: 100%;
    height: auto;
  }
}

.page-feature .btn-regist-area {
  text-align: center !important;
}
.page-feature .btn-regist-area .ntg-btn-registration {
  display: block !important;
  margin: 0 auto 2vw auto !important;
}
.page-feature .checkbox {
  margin: 0 auto;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  letter-spacing: 0.01071em;
  font-size: 11px;
  box-sizing: initial;
}
.page-feature .checkbox a {
  color: inherit !important;
  text-decoration: underline !important;
  cursor: pointer !important;
}
.page-feature .checkbox span {
  margin-bottom: 3px;
}
.page-feature .checkbox span,
.page-feature .checkbox p {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  gap: 5px;
}
.page-feature .checkbox input {
  margin: 0;
}
.page-feature .checkbox label {
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -ms-flex-align: center;
  cursor: pointer;
  gap: 5px;
  -webkit-box-align: center;
  -webkit-align-items: center;
  align-items: center;
}

.page-feature .checkbox.type-square {
  display: block;
  width: 210px;
  text-align: center;
}
.page-feature .checkbox.type-square .box-kiyaku {
  margin-bottom: 3px;
}
.page-feature .checkbox.type-square .box-name {
  display: inline-block;
  text-align: center;
}
.page-feature .checkbox.type-square .box-name label {
  display: inline;
  margin-left: 5px;
}

.page-feature .checkbox.type-oblong {
  position: relative;
  display: inline-block;
  min-width: 385px;
}
.page-feature .checkbox.type-oblong .box-kiyaku {
  position: absolute;
  top: 6px;
  margin-left: 180px;
}
.page-feature .checkbox.type-oblong .box-info,
.page-feature .checkbox.type-oblong .box-prof {
  width: 180px;
}
.page-feature .checkbox.type-oblong .box-prof {
  float: left;
  margin-bottom: 0;
}

.page-feature .btn-regist-area .ntg-btn-registration::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.page-feature .btn-regist-area .ntg-btn-registration:not(.reserved):not(.end):hover::after,
.page-feature .btn-regist-area .ntg-btn-registration:not(.reserved):not(.end):focus-visible::after {
  opacity: 0.16;
}
.page-feature .btn-regist-area .ntg-btn-registration.reserved,
.page-feature .btn-regist-area .ntg-btn-registration.reserved:hover,
.page-feature .btn-regist-area .ntg-btn-registration.reserved:focus-visible {
  background-image: url("https://www.nijiyome.com/nijiyome-img/img/contents/reserve/valkyrieheart/cta_btn_off.webp");
  background-position: center;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  cursor: default;
  transform: none;
  filter: none;
}