:root {
  --color-gradation-light: linear-gradient(90deg, #91cbff 0%, #9aa1ff 33%, #ff9fd2 66%, #ffc397 100%);
  --color-gradation-dark: linear-gradient(90deg, #005bac 0%, #0c18c8 33%, #cf4790 66%, #df8e54 100%);
  --color-gradation-dark-tl: linear-gradient(
    90deg,
    rgba(0, 91, 172, 0.8) 0%,
    rgba(12, 24, 200, 0.8) 33%,
    rgba(207, 71, 144, 0.8) 66%,
    rgba(223, 142, 84, 0.8) 100%
  );
}

.c-key__expire-date,
.c-sec__ttl,
.c-sec-news__ttl,
.c-sec-news-list__date,
.c-sec-share__ttl,
.c-single-page__ttl,
.info__news-date,
.c-prize-list-item__front-txt {
  font-family: "Montserrat";
}

@keyframes btnAnime {
  0% {
    transform: scale(0.95);
    opacity: 1;
  }
  90% {
    opacity: 0.1;
  }
  100% {
    transform: scale(1.2, 1.4);
    opacity: 0;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0c102b;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
}

s {
  font-size: 0.9em;
  opacity: 0.6;
  margin-left: 0.1em;
  margin-right: 0.1em;
}

.icon {
  vertical-align: text-top;
}

.u-r-only {
  font-size: 0rem;
}

.u-expand-link::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0);
  content: "";
  pointer-events: auto;
}

.l-header {
    position: fixed;
    width: 100%;
    z-index: 10;
    backdrop-filter: blur(6px);
}

@media screen and (min-width: 541px) {
    .l-header {
        height: 60px;
    }
}

@media screen and (max-width: 540px) {
    .l-header {
        height: 52px;
    }
}

.l-header__nav {
    display: flex;
    width: inherit;
    justify-content: space-between;
}

@media screen and (min-width: 541px) {
    .l-header__nav {
        padding-right: 60px;
        padding-left: 60px;
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 540px) {
    .l-header__nav {
        padding-right: 14px;
        padding-left: 14px;
        font-size: 1.2rem;
    }
}

.c-header-nav {
    display: flex;
    color: #fff;
    font-weight: 600;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

@media screen and (min-width: 541px) {
    .c-header-nav {
        height: 60px;
    }
}

@media screen and (max-width: 540px) {
    .c-header-nav {
        height: 52px;
    }
}

.c-header-nav__item > a {
    display: block;
    align-items: center;
    position: relative;
}

.c-header-nav__item > a::after {
    display: block;
    position: absolute;
    content: "";
    width: 100%;
    background-color: #fff;
    height: 1px;
    bottom: -6px;
    opacity: 1;
    transform: scale(0, 1);
    transform-origin: center left;
}

.c-header-nav__item > a:hover::after {
    transform: scale(1, 1);
    transition-duration: 300ms;
}

.c-header-entry {
  color: #fff;
  letter-spacing: .1em;
  font-size: 1.4rem;
  padding-top: 8px;
  padding-bottom: 8px;
}

.c-header-entry > a {
  display: flex;
  height: 100%;
  width: 100%;
  border: 1px solid #fff;
  align-items: center;
  padding: 10px 20px;
  gap: 16px;
  position: relative;
}

.c-header-entry > a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  transform: scale(0, 1);
  transform-origin: left top;
  transition: all .3s ease 0s;
  z-index: -1;
}

.c-header-entry > a:hover {
  color: #0c102b;
}

.c-header-entry > a:hover::before {
  transform: scale(1, 1);
}

.c-header-entry > i {
  font-size: 1.4rem;
}

.c-header-entry__l-txt > small {
  display: block;
  font-size: 1rem;
  margin-top: .4em;
}

.l-page {
  overflow-x: hidden;
}

.l-page__key {
  padding-bottom: 70px;
  filter: drop-shadow(0 0 100px rgba(5, 0, 30, 0.5));
}

.l-page__news {
  padding-bottom: 120px;
}

.l-video {
  position: fixed;
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  z-index: -1;
}

@media screen and (min-width: 541px) {
  .l-video {
    align-items: center;
  }
}

@media screen and (max-width: 540px) {
  .l-video {
    overflow: hidden;
  }
}

.l-video__item {
  position: absolute;
  width: inherit;
  height: inherit;
  object-fit: cover;
  overflow-clip-margin: content-box;
  overflow: clip;
  object-position: center center;
}

.c-key {
  color: #fff;
  z-index: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
}
@media screen and (max-width: 540px) {
  .c-key {
    padding-top: 40px;
  }
}

.c-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
}

.c-logo__figure {
  img {
    width: 100%;
    height: auto;
  }
}

@media screen and (min-width: 541px) {
  .c-logo__figure {
    width: 280px;
    height: 280px;
  }
}

@media screen and (max-width: 540px) {
  .c-logo__figure {
    width: 200px;
    height: 200px;
  }
}

.c-key__lead {
  text-align: center;
  line-height: 1.8;
  font-weight: 600;
}

@media screen and (min-width: 541px) {
  .c-key__lead {
    letter-spacing: .3em;
  }
}

@media screen and (max-width: 540px) {
  .c-key__lead {
    font-size: 1.2rem;
    padding-right: 1.5em;
    padding-left: 1.5em;
  }
}

.c-key__expire {
  display: flex;
  align-items: center;
}

@media screen and (min-width: 541px) {
  .c-key__expire {
    margin-top: 40px;
  }
}

@media screen and (max-width: 540px) {
  .c-key__expire {
    margin-top: 20px;
    flex-direction: column;
  }
}

.c-key__expire-ttl {
  color: #000353;
  background-color: #fff;
  padding: 0.3em 0.6em;
  margin-right: 20px;
  margin-top: auto;
  margin-bottom: 8px;
  border-radius: 2px;
  font-size: 1.4rem;
  font-weight: 600;
}

@media screen and (max-width: 540px) {
  .c-key__expire-ttl {
    font-size: 1.2rem;
    margin-right: 0;
    margin-bottom: 4px;
  }
}

.c-key__expire-date-wrapper {
  display: flex;
  align-items: center;
}

.c-key__expire-date {
  font-size: 4.8rem;
  font-weight: 700;

  small {
    font-size: 0.6em;
  }

  s {
    font-size: 0.9em;
  }
}

.c-key__expire-date-arrow {
  margin-right: 8px;
  margin-left: 8px;
}

@media screen and (max-width: 540px) {
  .c-key__expire-date {
    font-size: 3.4rem;
  }
  .c-key__expire-date-arrow {
    margin-right: 4px;
    margin-left: 4px;
  }
}

.c-key__button {
  margin-top: 40px;
  text-align: center;
}

.c-key__last-year {
  margin-top: 32px;
  text-align: center;
}

@media screen and (max-width: 540px) {
  .c-key__last-year {
    margin-top: 32px;
  }
}

.c-key__label {
  font-size: 1.6rem;
  display: inline-block;
  margin-top: .25em;
  margin-bottom: 1em;
  background: linear-gradient(90deg, #e8b94f 0%, #fceabb 50%, #d99400 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: rgba(0, 0, 0, 0);
  font-weight: 700;
}

.c-sec {
  color: #fff;
}

@media screen and (min-width: 541px) {
  .c-sec {
    margin-right: 40px;
    margin-left: 40px;
    padding-top: 72px;
    padding-bottom: 72px;
    border-radius: 40px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec {
    margin-right: 16px;
    margin-left: 16px;
    padding-top: 40px;
    padding-bottom: 40px;
    border-radius: 20px;
  }
}

.c-sec__l-header,
.c-sec-share__l-header {
  position: relative;
  text-align: center;
  padding-bottom: 40px;
  margin-bottom: 20px;
  z-index: 0;
  filter: drop-shadow(0 0 12px rgba(0, 0, 0, 0.32));
}

.c-sec__l-list {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
}

.c-sec__l-table {
  max-width: 640px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
}

@media screen and (min-width: 541px) {
  .c-sec + .c-sec {
    margin-top: 80px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec + .c-sec {
    margin-top: 40px;
  }
}

.c-sec__l-btn {
  display: flex;
  justify-content: center;
  padding-top: 60px;
  padding-bottom: 60px;
}

.c-sec__l-inner {
  max-width: 900px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
}

.c-sec__ttl {
  display: inline-block;
  line-height: 1.2;
}

@media screen and (min-width: 541px) {
  .c-sec__ttl {
    font-size: 8rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec__ttl {
    font-size: 5.4rem;
  }

  .c-sec__ttl--sm {
    font-size: 4.6rem;
  }
}

.c-sec__ttl--winners {
  display: inline-block;
  background: linear-gradient(90deg, #e8b94f 0%, #fceabb 50%, #d99400 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: rgba(0, 0, 0, 0);
}

.c-sec__ttl-caption {
  line-height: 1.4;
  display: block;
  font-weight: 600;
}

@media screen and (min-width: 541px) {
  .c-sec__ttl-caption {
    margin-top: 8px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec__ttl-caption {
    margin-top: 4px;
  }
}

.c-sec__l-thema {
  text-align: center;
  margin-top: 60px;
  padding-bottom: 80px;
}

.c-sec__l-prize {
  padding-bottom: 20px;
}

.c-sec__catch {
  text-align: center;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.5em;
}

@media screen and (min-width: 541px) {
  .c-sec__catch {
    font-size: 3.2rem;
    letter-spacing: 7.68px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec__catch {
    font-size: 2.4rem;
    letter-spacing: .08em;
    margin-top: -1.5em;
  }
}

.c-sec__txt {
  text-align: center;
  line-height: 2.4;
  font-weight: 600;
}

.c-sec__txt + .c-sec__txt {
  margin-top: 2.4em;
}

@media screen and (min-width: 541px) {
  .c-sec__txt {
    letter-spacing: 3.36px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec__txt {
    font-size: 1.2rem;
    letter-spacing: .08em;
  }
}

.c-sec-news {
  background: hsla(0, 0%, 100%, 0.15);
  backdrop-filter: blur(6px);
  padding: 40px 16px;
}

.c-sec-news__ttl {
  position: absolute;
  font-size: 3rem;
  font-weight: 700;
  top: calc(-40px - .5em);
}

@media screen and (min-width: 541px) {
  .c-sec-news__ttl {
    left: -1em;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-news__ttl {
    left: 0;
  }
}

.c-sec-news__body {
  position: relative;
}

.c-news-scroll-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  z-index: 10;
}

.c-news-scroll-btn:hover {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.7);
  transform: scale(1.1);
}

.c-news-scroll-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.c-news-scroll-btn:disabled:hover {
  transform: none;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.c-news-scroll-btn--up {
  top: 0;
  right: 0;
}

.c-news-scroll-btn--down {
  bottom: 0;
  right: 0;
}

@media screen and (max-width: 540px) {
  .c-news-scroll-btn--up {
    top: -20px;
    right: 0;
  }

  .c-news-scroll-btn--down {
    bottom: -20px;
    right: 0;
  }
}

.c-sec-news-list {
  letter-spacing: .08em;
  font-weight: 600;
  line-height: 1.4;
  overflow-y: auto;
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  position: relative;
  mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 3%,
    black 97%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0%,
    black 3%,
    black 97%,
    transparent 100%
  );
}

@media screen and (min-width: 541px) {
  .c-sec-news-list {
    max-height: 135px;
    width: 100%;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-news-list {
    font-size: 1.2rem;
    padding-left: 2em;
    padding-right: 2em;
    max-height: 320px;
  }
}

.c-sec-news-list::-webkit-scrollbar {
  display: none;
}

.c-sec-news-list {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.c-sec-news-list__l-item {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding: 12px 0;
  position: relative;
  font-size: 1.6rem;
}

@media screen and (max-width: 540px) {
  .c-sec-news-list__l-item {
    font-size: 1.4rem;
    padding-bottom: 20px;
  }
}

.c-sec-news-list__l-item,
.c-sec-news-list__l-item > a {
  display: flex;
  align-items: center;
}

.c-sec-news-list__l-item > a:hover .c-sec-news-list__ttl,
.c-sec-news-list__l-item > a:hover .c-sec-news-list__date,
.c-sec-news-list__l-item > a:hover .c-sec-news-list__label {
  opacity: 1;
  text-shadow: 0 0 4px rgba(255, 255, 255, 0.8), 0 0 20px rgba(50, 140, 255, 1);
}

@media screen and (min-width: 541px) {
  .c-sec-news-list__l-item,
  .c-sec-news-list__l-item > a {
    gap: 1em;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-news-list__l-item,
  .c-sec-news-list__l-item > a {
    gap: 0.8em;
    flex-wrap: wrap;
  }
}

.c-sec-news-list__label {
    display: inline-block;
    font-size: 1.2rem;
    border: 1px solid #fff;
    color: #fff;
    padding: 0.2em 0.4em 0.25em;
    width: 84px;
    border-radius: 2px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0;
    transition: 0.2s;
}

.c-sec-news-list__date {
  width: 7em;
  transition: 0.2s;
}

.c-sec-news-list__ttl {
  transition: 0.2s;
}

@media screen and (max-width: 540px) {
  .c-sec-news-list__date {
    width: calc(100% - 84px - 24px);
  }
}

.c-sec-thema__ttl {
  font-size: 3.2rem;
  margin-bottom: 24px;
}

.c-sec-thema__l-contents {
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  gap: 20px;
}

.c-sec-thema__box {
  display: flex;
  padding-right: .5em;
  padding-left: .5em;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background: rgba(12, 16, 43, 0.8);
}

.c-sec-thema__box-txt {
  line-height: 2;
  font-feature-settings: "palt" on;
}

@media screen and (min-width: 541px) {
  .c-sec-thema__box {
    font-size: 5rem;
    letter-spacing: 3.2px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-thema__box {
    font-size: 3rem;
    letter-spacing: .08em;
  }
}

@media screen and (min-width: 541px) {
  .c-sec-thema__center {
    font-size: 4rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-thema__center {
    font-size: 2.4rem;
  }
}

.c-sec-products + .c-sec-products {
  margin-top: 80px;
}

@media screen and (max-width: 540px) {
  .c-sec-products + .c-sec-products--notspace {
    margin-top: 0;
  }
}

.c-sec-products__l-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
  flex-shrink: 0;
}

@media screen and (min-width: 541px) {
  .c-sec-products__l-header::before,
  .c-sec-products__l-header::after {
    display: inline-block;
    width: 100%;
    max-width: 316px;
    height: 1px;
    background: #fff;
    content: "";
  }
}

@media screen and (min-width: 541px) {
  .c-sec-products__ttl {
    font-size: 3.2rem;
    flex-shrink: 0;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products__ttl {
    font-size: 2.8rem;
  }
}

.c-sec-products__sub-ttl {
  text-align: center;
  margin-bottom: 24px;
}

@media screen and (min-width: 541px) {
  .c-sec-products__sub-ttl {
    font-size: 2.4rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products__sub-ttl {
    font-size: 2rem;
  }
}

.c-sec-products__l-contain {
  max-width: 1000px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  padding-bottom: 60px;
}

.c-sec-products__caption {
  text-align: center;
  padding-bottom: 24px;
  line-height: 1.4;
}

.c-sec-products__notes {
  display: block;
  text-align: center;
  margin-top: 1em;
  line-height: 1.2;
}

.c-sec-products-card-list {
  max-width: 1032px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  padding-top: 34px;
}

@media screen and (min-width: 541px) {
  .c-sec-products-card-list {
    gap: 24px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products-card-list {
    gap: 14px 8px;
  }
}

.c-sec-products-card-list--2cols {
  justify-content: center;
  gap: 8px;
}

@media screen and (min-width: 541px) {
  .c-sec-products-card-list--2cols {
    padding-top: 3em;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products-card-list--2cols {
    padding-top: 0;
  }
}

.c-sec-products-card-list__item {
  position: relative;
  width: 100%;
}

.c-sec-products-card-list__item .l-badge-students {
  position: absolute;
  width: 100%;
}

@media screen and (min-width: 541px) {
  .c-sec-products-card-list__item .l-badge-students {
    top: -2.5em;
    left: 0;
    text-align: center;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products-card-list__item .l-badge-students {
    margin-bottom: .5em;
    top: .5em;
    left: .5em;
    z-index: 1;
    text-align: left;
  }
}

.c-sec-products-card-list__item .c-badge-students {
  display: inline-flex;
  align-items: center;
  background-color: #b87e03;
  color: #fff;
  font-weight: 700;
  border: 1px solid #fff;
  padding: .15em .5em;
  font-size: 1.2rem;
}

@media screen and (min-width: 541px) {
  .c-sec-products-card-list__item {
    width: 240px;
  }

  .c-sec-products-card-list--3cols .c-sec-products-card-list__item {
    width: 320px;
  }

  .c-sec-products-card-list--2cols .c-sec-products-card-list__item {
    width: 400px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-products-card-list__item {
    width: calc((100% - 8px) / 2);
  }

  .c-sec-products-card-list--2cols .c-sec-products-card-list__item {
    width: 100%;
  }
}

.c-sec-products-card {
  background-color: #fff;
  color: #0c102b;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  transition: all .3s ease 0s;
  transform: scale(1, 1);
}

.c-sec-products-card:hover {
  transform: scale(1.1, 1.1);
}

.c-sec-products-card__l-body {
  padding: 12px 12px 24px 12px;
}

.c-sec-products-card__ttl {
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: .5em;
  line-height: 1.4;
}

.c-sec-products-card__author {
  color: #444;
  font-size: 1.2rem;
}

.c-sec-products-card__labels {
  padding-top: 12px;
  padding-bottom: 20px;
  display: flex;
  font-size: 1rem;
  font-weight: bold;
  gap: .5em;
  flex-wrap: wrap;
}

.c-sec-products-card__labels > li {
  border: 1px solid #0c102b;
  padding: .25em .5em;
  border-radius: 2px;
}

.c-sec-products-card__l-button {
  text-align: center;
}

.c-sec-products-card__button {
  background-color: #0c102b;
  color: #fff;
  display: inline-block;
  border-radius: 50px;
  width: 100%;
  max-width: 160px;
  padding-top: .5em;
  padding-bottom: .5em;
  transition: all .3s ease 0s;
  border: 1px solid #fff;
}

.c-sec-products-card__button:hover {
  background-color: #fff;
  color: #0c102b;
  border: 1px solid #0c102b;
}

.c-winner-media {
  display: flex;
  gap: 32px;
}

@media screen and (max-width: 540px) {
  .c-winner-media {
    flex-direction: column;
  }
}

.c-winner-media__thumb {
  border: 6px solid #fff;
  border-radius: 8px;
}

.c-winner-media__l-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.c-winner-media__ttl {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
}

.c-winner-media__labels {
  padding-top: 12px;
  display: flex;
  font-size: 1.2rem;
  font-weight: bold;
  gap: .5em;
  flex-wrap: wrap;
}

.c-winner-media__labels > li {
  border: 1px solid #fff;
  padding: .25em .5em;
  border-radius: 2px;
}

.c-winner-media__about {
  line-height: 1.8;
}

@media screen and (max-width: 540px) {
  .c-winner-media__l-btn {
    text-align: center;
  }
}


.c-prize-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.c-prize-list-item {
  perspective: 1000px;
  min-height: 200px;
  transition: all 0.3s ease;
}

.c-prize-list-item__card-inner {
  position: relative;
  width: 100%;
  min-height: inherit;
  transform-style: preserve-3d;
  transition: transform 0.8s ease;
}

.c-prize-list-item.js-scroll-animate-fast-active .c-prize-list-item__card-inner {
  transform: rotateY(180deg);
}

.c-prize-list-item__card-front {
  position: absolute;
  width: 100%;
  min-height: 200px;
  backface-visibility: hidden;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.05) 100%);
  border-radius: 20px;
  padding: 32px;
  color: white;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.c-prize-list-item__card-back {
  width: 100%;
  min-height: 200px;
  backface-visibility: hidden;
  background: linear-gradient(135deg,
    rgba(145, 203, 255, 0.25) 0%,
    rgba(154, 161, 255, 0.25) 33%,
    rgba(255, 159, 210, 0.25) 66%,
    rgba(255, 195, 151, 0.25) 100%);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 32px;
  color: white;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transform: rotateY(180deg);
  transition: all 0.3s ease;
}

.c-prize-list-item__card-back.prize-01 {
  backdrop-filter: blur(10px) hue-rotate(-20deg) saturate(6);
}
.c-prize-list-item__card-back.prize-02 {
  backdrop-filter: blur(10px) hue-rotate(-10deg) saturate(6);
}
.c-prize-list-item__card-back.prize-03,
.c-prize-list-item__card-back.prize-04,
.c-prize-list-item__card-back.prize-05,
.c-prize-list-item__card-back.prize-06,
.c-prize-list-item__card-back.prize-07 {
  backdrop-filter: blur(10px) hue-rotate(0deg) saturate(2);
}

.c-prize-list-item__card-back > summary {
  cursor: pointer;
  list-style: none;
  outline: none;
}

.c-prize-list-item__card-back > summary::-webkit-details-marker {
  display: none;
}


/* カード表面のサンプルテキスト */
.c-prize-list-item__front-txt {
  font-size: 3rem;
  font-weight: 700;
  text-align: center;
  opacity: 0.1;
}

.c-prize-list-item__l-summary {
  margin-top: 12px;
  margin-bottom: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.c-prize-list-item__l-detail {
  overflow: hidden;
  transition: all 0.5s ease;
  max-height: 0;
  opacity: 0;
  transform: translateY(-20px);
  padding-top: 0;
  margin-top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.c-prize-list-item__card-back[open] > .c-prize-list-item__l-detail {
  max-height: 1000px;
  opacity: 1;
  transform: translateY(0);
  padding-top: 20px;
}

.c-prize-list-item__ttl {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  position: relative;
  display: inline-block;
  padding: 0 1.3em;
  text-shadow: 0 0 4px rgba(255, 255, 255, 0.6);
}

.c-prize-list-item__ttl::before,
.c-prize-list-item__ttl::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 70px;
  background-image: url('../images/deco-award-ttl.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.c-prize-list-item__ttl::before {
  left: 0;
}

.c-prize-list-item__ttl::after {
  right: 0;
  transform: translateY(-50%) scaleX(-1);
}

.c-prize-list-item__ttl.special-prize span {
  font-size: 2.2rem;
  letter-spacing: 0.05em;
  position: relative;
  top: -0.4em;
}
.c-prize-list-item__ttl.special-prize small {
  font-size: 1.4rem;
  letter-spacing: 0.2em;
  position: relative;
  top: -0.8em;
}

.c-prize-list-item__caption {
  font-size: 1.6rem;
  line-height: 1.6;
  padding-top: 28px;
  text-align: center;
  opacity: 0.9;
}

.c-prize-list-item__more-btn {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 7px 10px 8px 16px;
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}
.c-prize-list-item__more-btn .icon {
  animation: arrowBounce 2s ease-in-out infinite;
  transition: all 0.3s ease;
}
.c-prize-list-item__l-open {
    transition: all 0.3s ease;
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
}
.c-prize-list-item__l-close {
    transition: all 0.3s ease;
    margin-top: 16px;
}
.c-prize-list-item__card-back[open] .c-prize-list-item__l-summary {
  margin-bottom: 0;
}
.c-prize-list-item__card-back[open] .c-prize-list-item__l-open {
  opacity: 0;
}

@keyframes arrowBounce {
  0%, 100% {
    transform: translateY(-2px);
  }
  50% {
    transform: translateY(2px);
  }
}

.c-prize-list-item__detail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px
  margin-top: 24px;
}

.c-prize-list-item__detail dt {
    color: #000353;
    background-color: #fff;
    padding: 0.3em 0.6em;
    border-radius: 2px;
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 24px;
}

.c-prize-list-item__detail dd {
  font-size: 1.6rem;
  line-height: 1.6;
  margin-top: 6px;
}
.c-prize-list-item__detail dd.txt-l {
    font-size: 1.8rem;
}

.c-prize-list-item__gudge {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.c-prize-list-item__gudge img {
  margin-top: 12px;
  margin-bottom: 4px;
}

.c-prize-list-item__gudge span {
  font-size: 1.2rem;
}

.c-prize-list-item__gudge span > em {
  font-size: 1.6rem;
  margin-right: 4px;
}

.c-prize-list-item__gudge small {
  font-size: 1.2rem;
  opacity: 0.8;
}
.c-prize-list-item__gudge small::before {
  content: '※';
}

@media screen and (max-width: 540px) {
  .c-prize-list {
    gap: 20px;
  }

  .c-prize-list-item {
    min-height: 180px;
  }

  .c-prize-list-item__l-summary {
    margin-bottom: 60px;
  }

  .c-prize-list-item__card-front,
  .c-prize-list-item__card-back {
    padding: 24px 20px;
    border-radius: 16px;
  }

  .c-prize-list-item__front-txt {
    font-size: 1.6rem;
  }

  .c-prize-list-item__ttl {
    font-size: 2.2rem;
  }
  .c-prize-list-item__ttl::before,
  .c-prize-list-item__ttl::after {
    width: 22px;
    height: 59px;
  }
  .c-prize-list-item__ttl.special-prize span {
    font-size: 1.6rem;
    top: -0.4em;
  }
  .c-prize-list-item__ttl.special-prize small {
    font-size: 1.1rem;
    top: -1em;
  }
  .c-prize-list-item__ttl.special-prize::before,
  .c-prize-list-item__ttl.special-prize::after {
    width: 22px;
    height: 59px;
  }

  .c-prize-list-item__caption {
    font-size: 1.3rem;
    padding-top: 24px;
  }

  .c-prize-list-item__detail dt {
    font-size: 1.3rem;
  }

  .c-prize-list-item__detail dd {
    font-size: 1.3rem;
  }
  .c-prize-list-item__l-open {
    bottom: 24px;
  }
}


.c-sec-prize__ttl {
  text-align: center;
  margin-bottom: 20px;
  font-size: 3.2rem;
  letter-spacing: 0.1em;
}

.c-sec-prize__lead {
  text-align: center;
  line-height: 1.8;
  font-weight: 700;
}

.c-sec-prize__l-table {
  padding-top: 20px;
  padding-bottom: 84px;
}

@media screen and (min-width: 541px) {
  .c-sec-prize__l-table {
    display: flex;
    justify-content: center;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-prize__l-table {
    overflow: scroll;
    position: relative;
    width: 100vw;
    transform: translateX(-50%);
    left: 50%;
    padding-left: 16px;
    padding-right: 16px;
  }
}

.c-prize-table {
  font-weight: 700;
  width: 640px;
  background: hsla(0, 0%, 0%, 0.3);
  backdrop-filter: blur(12px);
}

.c-prize-table thead {
  background: var(--color-gradation-dark-tl);
}

.c-prize-table tr,
.c-prize-table th,
.c-prize-table td {
  border: 1px solid #fff;
  text-align: left;
  padding: 16px 20px;
}

.c-timeline {
  text-align: center;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.c-timeline__item {
  justify-content: center;
  align-items: center;
  align-self: stretch;
  background: rgba(0, 0, 0, 0.3);
  line-height: 1.8;
}

@media screen and (min-width: 541px) {
  .c-timeline__item {
    padding: 16px 20px;
  }
}

@media screen and (max-width: 540px) {
  .c-timeline__item {
    padding: 16px 8px;
  }
}

.c-timeline__item + .c-timeline__item {
  margin-top: 8px;
}

.c-timeline__item > em {
  display: block;
  font-weight: 700;
}

.c-timeline__item > span {
  font-size: 1.2rem;
}

.c-timeline__item--active {
  position: relative;
  background: var(--color-gradation-dark-tl);
}

.c-timeline__item--active > .icon {
  position: absolute;
  top: calc(50% - .5em);
}

@media screen and (min-width: 541px) {
  .c-timeline__item--active > .icon {
    left: 1em;
  }
}

@media screen and (max-width: 540px) {
  .c-timeline__item--active > .icon {
    left: .25em;
  }
}

.c-sec-detail {
  color: #fff;
  z-index: 1;
  max-width: 900px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
}

@media screen and (min-width: 541px) {
  .c-sec-detail {
    padding-top: 80px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-detail {
    padding-top: 20px;
  }
}

@media screen and (min-width: 541px) {
  .c-sec-detail__ttl {
    font-size: 8rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-detail__ttl {
    font-size: 4.4rem;
  }
}

.c-sec-detail__ttl--winners {
  display: inline-block;
  background: linear-gradient(90deg, #e8b94f 0%, #fceabb 50%, #d99400 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: rgba(0, 0, 0, 0);
}

.c-sec-detail__ttl-caption {
  display: block;
}

@media screen and (min-width: 541px) {
  .c-sec-detail__ttl-caption {
    margin-top: 40px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-detail__ttl-caption {
    margin-top: 1em;
  }
}

.c-detail-table {
  background: hsla(0, 0%, 0%, 0.3);
  backdrop-filter: blur(12px);

  em {
    font-weight: 700;
  }

  span {
    display: inline-block;
    padding: 12px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.4);
    margin-top: 16px;
    margin-bottom: 16px;
  }
}

@media screen and (max-width: 540px) {
  .c-detail-table {
    font-size: 1.3rem;
  }
}

.c-detail-table th,
.c-detail-table td {
  border: 1px solid #fff;
  line-height: 1.6;
}

.c-detail-table th {
  text-align: left;
  padding: 16px 12px;
}

@media screen and (min-width: 541px) {
  .c-detail-table th {
    width: 126px;
  }
}

@media screen and (max-width: 540px) {
  .c-detail-table th {
    width: 100px;
  }
}

@media screen and (min-width: 541px) {
  .c-detail-table td {
    padding: 16px 20px;
  }
}

@media screen and (max-width: 540px) {
  .c-detail-table td {
    padding: 12px;
  }
}

.c-sec-entry {
  padding-top: 68px;
  padding-bottom: 80px;
  text-align: center;
}

@media screen and (min-width: 541px) {
  .c-sec-entry__ttl {
    font-size: 3.2rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-entry__ttl {
    font-size: 2.8rem;
  }
}

.c-sec-entry__btn {
  display: flex;
  gap: 24px;
  justify-content: center;
  padding-top: 32px;
  padding-bottom: 32px;
}

@media screen and (max-width: 540px) {
  .c-sec-entry__btn {
    flex-direction: column;
  }

  .c-sec-entry__btn > li {
    display: flex;
    justify-content: center;
  }
}

.c-sec-entry__attention {
  padding-left: 1em;
  padding-right: 1em;
  display: inline-block;
  line-height: 1.2;
}

.c-sec-entry__attention > a {
  text-decoration: underline;
}

.c-sec-guest {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  display: flex;
  gap: 32px;
  text-align: left;
}

@media screen and (max-width: 540px) {
  .c-sec-guest {
    flex-direction: column;
    padding-left: 1em;
    padding-right: 1em;
    text-align: center;
  }
}

.c-sec-guest + .c-sec-guest {
  margin-top: 60px;
}

.c-sec-guest__l-pic {
  width: 200px;
  flex-shrink: 0;
}

.c-sec-guest__l-pic > img {
  width: 100%;
}
@media screen and (max-width: 540px) {
  .c-sec-guest__l-pic {
    margin-left: auto;
    margin-right: auto;
  }
}

.c-sec-guest__l-content {
  letter-spacing: .06em;
}

.c-sec-guest__company {
  margin-bottom: 1.2em;
  line-height: 1.6;
}

@media screen and (max-width: 540px) {
  .c-sec-guest__company {
    line-height: 1.4;
  }
}

.c-sec-guest__name {
  font-weight: 700;
  font-size: 1.6rem;
  margin-bottom: 1.2em;
}

.c-sec-guest__name > em {
  font-size: 2.8rem;
  margin-right: .1em;
}

.c-sec-guest__name--cs {
  font-family: "Montserrat";
}

.c-sec-guest__detail {
  line-height: 1.8;
}

@media screen and (max-width: 540px) {
  .c-sec-guest__detail {
    font-size: 1.2rem;
  }
}

.c-sec-faq-txt {
  font-size: 1.6rem;
  line-height: 1.4;
}

.c-sec-faq-txt + .c-sec-faq-txt {
  margin-top: 48px;
}

.c-sec-faq-txt__ttl {
  font-weight: 700;
  margin-bottom: .8em;
}

.c-sec-faq-txt__txt {
  word-break: break-word;
}

.c-sec-faq-txt__txt + .c-sec-faq-txt__txt {
  margin-top: .8em;
}

.c-sec-faq-txt__txt > a {
  text-decoration: underline;
  color: #92c0ff;
}

@media screen and (min-width: 541px) {
  .c-sec-faq-txt__txt {
    font-size: 1.6rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-faq-txt__txt {
    font-size: 1.4rem;
  }
}

.c-sec-share {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  color: #fff;
  padding-top: 24px;
  padding-bottom: 80px;
}

.c-sec-share__ttl {
  font-size: 3.2rem;
}

.c-sec-share-list {
  display: flex;
  justify-content: center;
}

.c-sec-share-list__item {
  width: 52px;
  height: 52px;
  background-color: #fff;
  border-radius: 50px;
}

.c-sec-share-list__item + .c-sec-share-list__item {
  margin-left: 32px;
}

.c-sec-share-list__item > a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

.c-sec-share-list__item .icon-fa--x {
  width: 24px;
  height: 24px;
}

.c-sec-share-list__item .icon-fa--facebook {
  width: 15px;
  height: 24px;
}

.c-sec-share-list__item .icon-fa--line {
  width: 24px;
  height: 24px;
}

.c-sec-sponsor {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  color: #fff;
}

@media screen and (min-width: 541px) {
  .c-sec-sponsor {
    padding-top: 48px;
    padding-bottom: 100px;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-sponsor {
    padding-top: 20px;
    padding-bottom: 60px;
  }
}

.c-sec-sponsor__ttl {
  text-align: center;
  margin-bottom: 40px;
}

@media screen and (min-width: 541px) {
  .c-sec-sponsor__ttl {
    font-size: 3.2rem;
  }
}

@media screen and (max-width: 540px) {
  .c-sec-sponsor__ttl {
    font-size: 2.4rem;
  }
}

.c-sec-sponsor__logo {
  min-width: 230px;
  text-align: center;
}

.c-sec-sponsor__logo > img {
  width: 230px;
}

.c-footer {
  text-align: center;
  color: #fff;
  font-size: 1.2rem;
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.5));
  background: linear-gradient(0deg, rgba(12, 16, 43, 0.6) 0%, rgba(12, 16, 43, 0) 100%);;
}

@media screen and (min-width: 541px) {
  .c-footer {
    padding-top: 80px;
    padding-bottom: 40px;
  }
}

@media screen and (max-width: 540px) {
  .c-footer {
    padding-top: 20px;
    padding-bottom: 20px;
  }
}

.c-footer__l-seal {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 46.2px 130px;
}

.c-footer__l-bnr {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 48px;
}

.c-footer-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.c-footer-nav__item > a:hover {
  text-decoration: underline;
}

.c-entry-button-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
}

.c-entry-button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 320px;
  padding: 10px 40px 16px;
  border-radius: 99px;
  transition: all .5s ease 0s;
  transform: scale(1, 1);
  position: relative;
  letter-spacing: .06em;
  font-size: 2rem;
  font-weight: 600;
  color: #fff;
  background-position: 0% 50%;
  background-size: 200% auto;
  backdrop-filter: blur(20px);
}

.c-entry-button:hover {
  transform: scale(1.05, 1.05);
  background-position: 100% 51%;
  letter-spacing: .1em;
}

.c-entry-button--blue {
  animation: luminescence-blue 2.4s infinite;
  background-image: linear-gradient(90deg, rgba(0, 110, 183, 0.6) 0%, rgba(0, 55, 157, 0.6) 25%, rgba(50, 71, 208, 0.6) 50%, rgb(8, 75, 220) 100%);
}

.c-entry-button--orange {
  animation: luminescence-orange 2.4s infinite;
  background-image: linear-gradient(90deg, rgba(209, 112, 0, 0.6) 0%, rgba(159, 61, 0, 0.6) 25%, rgba(194, 42, 0, 0.6) 50%, rgb(209, 101, 0) 100%);
}

@keyframes luminescence-blue {
  0%, 100% {
    box-shadow: 0 0 10px rgb(162, 193, 255), 0 0 20px rgb(71, 148, 255), 0 0 30px rgb(67, 114, 255), 0 0 40px rgb(32, 79, 221);
  }
  70% {
    box-shadow: 0 0 5px rgb(162, 193, 255), 0 0 10px rgb(71, 148, 255), 0 0 15px rgb(67, 114, 255), 0 0 20px rgb(32, 79, 221);
  }
}

@keyframes luminescence-orange {
  0%, 100% {
    box-shadow: 0 0 10px rgb(255, 208, 167), 0 0 20px rgb(255, 178, 71), 0 0 30px rgb(255, 152, 67), 0 0 40px rgb(180, 61, 7);
  }
  70% {
    box-shadow: 0 0 5px rgb(255, 208, 167), 0 0 10px rgb(255, 178, 71), 0 0 15px rgb(255, 152, 67), 0 0 20px rgb(180, 61, 7);
  }
}

@keyframes luminescence-white {
  0%, 100% {
    box-shadow: 0 0 10px rgb(222, 222, 222), 0 0 20px rgb(200, 200, 200), 0 0 30px rgb(176, 176, 176), 0 0 40px rgb(144, 144, 144);
  }
  70% {
    box-shadow: 0 0 5px rgb(222, 222, 222), 0 0 10px rgb(200, 200, 200), 0 0 15px rgb(176, 176, 176), 0 0 20px rgb(144, 144, 144);
  }
}

.c-entry-button__label {
  display: inline-block;
  font-size: 1.2rem;
  background-color: #fff;
  color: #000353;
  padding: 4px 10px;
  border-radius: 2px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0;
}

@media screen and (max-width: 540px) {
  .c-entry-button-list {
    flex-direction: column;
  }

  .c-entry-button {
    font-size: 1.6rem;
    max-width: 100%;
  }
}

.c-button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 320px;
  padding: 20px 40px 22px;
  border-radius: 99px;
  transition: all .5s ease 0s;
  transform: scale(1, 1);
  position: relative;
  letter-spacing: .06em;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  background-position: 0% 50%;
  background-size: 200% auto;
  backdrop-filter: blur(20px);
  animation: luminescence-white 2.4s infinite;
  background-image: linear-gradient(90deg, rgba(107, 107, 107, 0.3) 0%, rgba(57, 57, 57, 0.3) 25%, rgba(81, 81, 81, 0.3) 50%, rgba(90, 90, 90, 0.5) 100%);
}

.c-button:hover {
  transform: scale(1.05, 1.05);
  background-position: 100% 51%;
}

.c-button--disabled {
  background-color: #eee;
  color: #0c102b;
}

.c-button-txt {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 10px 24px 12px 28px;
  border-radius: 99px;
  transition: all .5s ease 0s;
  transform: scale(1, 1);
  position: relative;
  letter-spacing: .06em;
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(20px);
}

.c-button-txt:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.05, 1.05);
}

.c-button-txt__icon {
  width: 1.2em;
  height: 1.2em;
}

.info {
  width: 100%;
  max-width: 840px;
  padding: 80px 16px;
  color: #fff;
  margin: auto;
}

.info__news-ttl {
  font-size: 3.2rem;
  line-height: 1.6;
  margin-bottom: 48px;
  padding-bottom: 24px;
  text-align: left;
  border-bottom: 1px solid #fff;
}

.info__news-date {
  font-size: 2rem;
  font-weight: 600;
  opacity: 0.8;
}

.info__ttl {
  font-size: 3.2rem;
  line-height: 1.6;
  margin-bottom: 48px;
  text-align: center;
}

.info__text {
  font-size: 1.4rem;
  line-height: 1.8;
}

.info__text strong {
  font-weight: 700;
}

.info__text a {
  color: #92c0ff;
  text-decoration: underline;
}

.info__text a:hover {
  text-decoration: none;
}

.info__text + .info__text {
  margin-top: 20px;
}

.info__head2 {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.info__text + .info__head2 {
  margin-top: 64px;
}

.info__head3 {
  font-size: 2rem;
  margin-top: 40px;
  margin-bottom: 16px;
}

.l-products {
  padding-top: 70px;
  padding-bottom: 70px;
}

.c-products {
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  background-color: #fff;
  border-radius: 40px;
}

@media screen and (min-width: 541px) {
  .c-products {
    padding: 40px;
  }
}

@media screen and (max-width: 540px) {
  .c-products {
    padding: 40px 20px;
    margin-right: 8px;
    margin-left: 8px;
  }
}

.c-products__l-header {
  margin-bottom: 24px;
}

.c-products__ttl {
  margin-bottom: .5em;
}

.c-products__author {
  font-size: 1rem;
  color: #444;
}

.c-products__labels {
  display: flex;
  gap: 4px;
  font-size: 1rem;
  margin-top: 12px;
}

.c-products__labels > li {
  border: 1px solid #0c102b;
  font-weight: bold;
  padding: .25em .5em;
}

.c-products__l-main {
  text-align: center;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.c-products__l-main > a:hover {
  opacity: 0.8;
}

.c-products__footer {
  padding-top: 40px;
}

.c-products-comments {
  max-width: 1200px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  padding-bottom: 34px;
}

.c-products-comments__ttl {
  margin-bottom: 24px;
}

.c-products-comments__text {
  max-width: 1000px;
  line-height: 1.5;
  border-left: 2px solid #0c102b;
  padding-left: 1em;
  padding-top: .25em;
  padding-bottom: .25em;
  word-break: break-word;
}

.c-products-comments__text + .c-products-comments__text {
  margin-top: 12px;
}

.c-products-comments__text > span {
  display: block;
  color: #666;
  margin-top: 1em;
  font-size: 1.2rem;
}

.c-products-info {
  border: 1px solid #0c102b;
  text-align: left;
  width: 100%;
  max-width: 1000px;
}

.c-products-info > caption {
  text-align: left;
  font-weight: bold;
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.c-products-info th,
.c-products-info td {
  border: 1px solid #0c102b;
  font-weight: normal;
  padding: 16px 20px;
  line-height: 1.5;
}

@media screen and (min-width: 541px) {
  .c-products-info th,
  .c-products-info td {
    font-size: 1.4rem;
  }
}

@media screen and (max-width: 540px) {
  .c-products-info th,
  .c-products-info td {
    font-size: 1.2rem;
  }
}

.c-products-info th > a,
.c-products-info td > a {
  text-decoration: underline;
}

.c-products-info th > a:hover,
.c-products-info td > a:hover {
  text-decoration: none;
}

@media screen and (min-width: 541px) {
  .c-products-info th {
    width: 320px;
  }
}

@media screen and (max-width: 540px) {
  .c-products-info th {
    width: 120px;
  }
}

.c-products-btn-list {
  text-align: center;
}

.c-products-btn-list__item + .c-products-btn-list__item {
  margin-top: 20px;
}

.c-btn {
  display: inline-block;
  width: 100%;
  min-width: 200px;
  max-width: 240px;
  background: var(--color-gradation-dark);
  color: #fff;
  text-align: center;
  border-radius: 50px;
  font-weight: bold;
  padding: 1.25em 1em;
  transition: all .3s ease 0s;
  transform: scale(1, 1);
}

.c-btn:hover {
  border: 1px solid #0c102b;
  color: #0c102b;
  background: #fff;
  transform: scale(1.1, 1.1);
}

.c-btn-inverted {
  display: inline-block;
  width: 100%;
  min-width: 200px;
  max-width: 240px;
  color: #fff;
  text-align: center;
  border-radius: 50px;
  font-weight: bold;
  padding: 1.25em 1em;
  transition: all .3s ease 0s;
  transform: scale(1, 1);
  border: 1px solid #fff;
}

.c-btn-inverted:hover {
  color: #0c102b;
  background-color: #fff;
  transform: scale(1.1, 1.1);
}

.c-btn-ghost {
  display: inline-block;
  width: 100%;
  min-width: 200px;
  max-width: 240px;
  border: 1px solid #0c102b;
  text-align: center;
  border-radius: 50px;
  font-weight: bold;
  padding: 1.25em 1em;
  transition: all .3s ease 0s;
  transform: scale(1, 1);
  background-color: #fff;
  color: #0c102b;
}

.c-btn-ghost:hover {
  color: #fff;
  background-color: #0c102b;
  transform: scale(1.1, 1.1);
  border-color: #fff;
}

.c-btn-disabled {
  display: inline-block;
  width: 100%;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  border-radius: 50px;
  font-weight: bold;
  padding: 1.25em 1em;
  background-color: #555;
  color: #fff;
  cursor: not-allowed;
}

.l-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 80px;
}

.l-btn__item {
  margin-top: 20px;
}

.c-single-page {
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  justify-content: center;
  gap: 1em;
}

.c-single-page__ttl {
  font-size: 6rem;
}

.c-single-page__lead {
  font-size: 2.4rem;
}

@media screen and (max-width: 540px) {
  [data-device="pc"] {
    display: none;
  }
  [data-device="sp"] {
    display: block;
  }
}

@media screen and (min-width: 541px) {
  [data-device="sp"] {
    display: none;
  }
  [data-device="pc"] {
    display: block;
  }
}

/* ハンバーガーメニュー */
.c-hamburger {
  position: fixed;
  top: 40px;
  right: 20px;
  width: 60px;
  height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 12px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  z-index: 1000;
  cursor: pointer;
  transition: all 0.4s ease;
  opacity: 0;
  visibility: hidden;
}
@media screen and (max-width: 540px) {
  .c-hamburger {
    background: rgba(255, 255, 255, 0.02);
  }
}

.c-hamburger.js-active {
  opacity: 1;
  visibility: visible;
}

.c-hamburger:hover {
  transform: scale(1.1, 1.1);
}

.c-hamburger span {
  display: block;
  width: 60%;
  height: 2px;
  background-color: #fff;
  transition: all 0.3s ease;
}

.c-hamburger p {
  font-family: "Montserrat";
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 4px;
  text-align: center;
}

.c-hamburger.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.c-hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.c-hamburger.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.c-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to left, rgba(12, 16, 43, 0.9) 0%, rgba(12, 16, 43, 0.5) 40%);
  mix-blend-mode: hard-light;
  backdrop-filter: blur(20px) grayscale(0.8) brightness(0.6);
  z-index: 999;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.c-menu-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

@media screen and (max-width: 540px) {
  .c-menu-overlay {
    background: linear-gradient(to left, rgba(12, 16, 43, 0.9) 60%, rgba(12, 16, 43, 0.5) 100%);
  }
}

.c-menu {
  padding: 0 80px;
  font-family: "Montserrat";
  text-align: right;
}

.c-menu__label {
  color: #fff;
  letter-spacing: 0.1em;
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 24px;
  padding-top: 32px;
  border-top: 1px solid #fff;
  margin-bottom: 16px;
}

.c-menu__list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.c-menu__item a {
  color: #fff;
  letter-spacing: 0.1em;
  position: relative;
  padding: 10px 0;
  transition: all 0.3s ease;

  strong {
    font-size: 2.4rem;
    font-weight: 700;
  }

  small {
    font-size: 1.2rem;
    font-weight: 700;
    margin-left: 6px;
  }
}

.c-menu__item a:hover {
  background-image: var(--color-gradation-dark);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: txtColorAddVivid 0.5s ease;
  animation-fill-mode: forwards;
}

body.menu-open {
  overflow: hidden;
}

@media screen and (max-width: 540px) {
  .c-hamburger {
    top: 12px;
    right: 12px;
  }

  .c-menu {
    padding: 0 40px;
  }

  .c-menu__item a {
    font-size: 2rem;
  }
}

/* フェードインの切り替え */
.js-fadein.js-fadein--x {
  opacity: 0;
  transform: translate(100px, 0);
  transition: all 1s;
}
.js-fadein.js-fadein--y {
  opacity: 0;
  transform: translate(0, 100px);
  transition: all 1s;
}
.js-fadein.js-fadein--x.js-fadein-active,
.js-fadein.js-fadein--y.js-fadein-active {
  opacity: 1;
  transform: translate(0, 0);
}

/* 背景動画の切り替え */
.l-video {
  opacity: 0;
  transition: opacity 1.6s ease-in-out, filter 0.5s ease-in-out;
  filter: blur(10px) grayscale(0) brightness(0.6);
}
/* JSを使わず表示させる場合 */
.l-video.display {
  opacity: 1;
  filter: blur(10px) grayscale(0) brightness(0.5);
}
body.js-loading .l-video {
  filter: blur(0) grayscale(0) brightness(1);
}
.l-video.js-animate-bg-visible {
  opacity: 1;
}
.l-video.js-current-body01 {
  filter: blur(0) grayscale(0) brightness(0.7);
}
.l-video.js-current-body02 {
  filter: blur(30px) grayscale(0.8) brightness(0.8);
}
.l-video.js-current-body03 {
  filter: blur(5px) grayscale(0.8) brightness(0.8);
}
.l-video.js-current-body05 {
  filter: blur(15px) grayscale(0) brightness(1);
}

.l-video__item {
  transition: opacity 0.2s ease-in-out;
}

.js-animate-bg-01 {
  opacity: 1;
}
.js-animate-bg-02,
.js-animate-bg-03 {
  opacity: 0;
}

.l-video.js-current-body04 {
  .js-animate-bg-02 {
    opacity: 1;
  }
  .js-animate-bg-01,
  .js-animate-bg-03 {
    opacity: 0;
  }
}

.l-video.js-current-body05 {
  .js-animate-bg-03 {
    opacity: 1;
  }
  .js-animate-bg-01,
  .js-animate-bg-02 {
    opacity: 0;
  }
}

/* ロゴのアニメーション */
.c-logo {
  transition: padding-top 0.5s ease-in-out;
}
.c-logo.js-loading {
  padding-top: calc(46vh - 140px);
}
@media screen and (max-width: 540px) {
  .c-logo.js-loading {
    padding-top: calc(46vh - 100px);
  }
}

/* メニューのアニメーション */
.js-menu-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  transition-delay: 0.1s;
}

.js-menu-item:nth-child(2) {
  transition-delay: 0.2s;
}

.js-menu-item:nth-child(3) {
  transition-delay: 0.3s;
}

.js-menu-item:nth-child(4) {
  transition-delay: 0.4s;
}

.js-menu-item:nth-child(5) {
  transition-delay: 0.5s;
}

.js-menu-item:nth-child(6) {
  transition-delay: 0.6s;
}

.js-menu-overlay.is-open .js-menu-item {
  opacity: 1;
  transform: translateY(0);
}

/* テキストカラーのアニメーション */
.c-sec__ttl.js-scroll-animate-active,
.c-sec__catch.js-scroll-animate-active,
.c-sec-thema__box-txt.js-scroll-animate-active {
  background-image: var(--color-gradation-light);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: txtColorAdd 0.5s ease;
  animation-fill-mode: forwards;
}
.c-sec__txt.js-scroll-animate-active {
  background-image: var(--color-gradation-light);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: txtColorAddPale 0.3s ease;
  animation-fill-mode: forwards;
}
.c-sec__ttl--vivid.js-scroll-animate-active {
  background-image: var(--color-gradation-dark);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: txtColorAddVivid 0.5s ease;
  animation-fill-mode: forwards;
}
@keyframes txtColorAdd {
  0% {
    filter: brightness(3) saturate(0) blur(0);
  }
  40% {
    filter: brightness(1) saturate(2) blur(3px);
  }
  100% {
    filter: brightness(1.3) saturate(1) blur(0);
  }
}
@keyframes txtColorAddPale {
  0% {
    filter: brightness(3) saturate(0) blur(0);
  }
  40% {
    filter: brightness(1) saturate(1.8) blur(1px);
  }
  100% {
    filter: brightness(1.5) saturate(1) blur(0);
  }
}
@keyframes txtColorAddVivid {
  0% {
    filter: brightness(3) saturate(0) blur(0);
  }
  40% {
    filter: brightness(1.5) saturate(2) blur(3px);
  }
  100% {
    filter: brightness(1.5) saturate(0.8) blur(0);
  }
}

/* グループ共通フッター */
#g-group-common-footer img{vertical-align:middle;max-width:100%;border:0} #g-group-common-footer{background-color:#fff} #g-group-common-footer .g-group-common-footer-logo{max-width:1024px;display:flex;margin-right:auto;margin-left:auto;padding-left:10px;gap:20px;align-items:center;box-sizing:border-box}@media screen and (max-width: 540px){#g-group-common-footer .g-group-common-footer-logo{flex-direction:column;gap:0}}#g-group-common-footer .g-group-common-footer-logo__corporate{padding-top:20px;padding-bottom:20px;box-sizing:border-box}#g-group-common-footer .g-group-common-footer-logo__sns{display:flex;gap:10px;padding-top:20px;padding-bottom:20px;box-sizing:border-box;padding-inline-start:0;margin-block-start:0;margin-block-end:0;list-style:none}#g-group-common-footer .g-group-common-footer-logo__sns>li{list-style:none}#g-group-common-footer .g-group-common-footer-logo__sns>li>a{display:flex;width:20px;height:20px;align-items:center;justify-content:center;box-sizing:border-box}@media screen and (max-width: 540px){#g-group-common-footer .g-group-common-footer-logo__sns{padding-top:0}}#g-group-common-footer .g-group-common-footer-logo__sns img{vertical-align:middle;box-sizing:border-box}#g-group-common-footer .g-group-siteseal-area{padding-top:40px;padding-bottom:40px;display:flex;gap:10px;justify-content:center;padding-inline-start:0;margin-block-start:0;margin-block-end:0}#g-group-common-footer .g-group-siteseal-area>li{list-style:none}