@charset "utf-8";

/*共通値*/

:root {
  --nagoya-color01: #dda23c;
  --nagoya-color02: #d52d24;
  --nagoya-color03: #910324;
  --tokyo-color01: #2ba294;
  --tokyo-color02: #108e12;
  --tokyo-color03: #114f00;
}


.date-txt {
  font-weight: 500;
}

.date-txt em {
  font-family: 'Poppins';
  font-weight: 600;
  position: relative;
  bottom: -0.1em;
}

.place-txt {
  font-weight: 600;
  display: flex;
  align-items: center;
  position: relative;
}

.place-txt::before {
  content: "";
  display: block;
  aspect-ratio: 13 / 19;
  width: 11px;
  background: url(/updata/2026/common/img/ico_place.svg) 0 bottom / contain no-repeat;
  flex-shrink: 0;
  margin-right: 5px;
}

.btn a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 100px;
  position: relative;
  font-weight: 500;
  font-size: 1.6rem;
  color: #fff;
  margin: 0 auto;
  background: linear-gradient(to left, var(--key-color01), var(--key-color02), var(--key-color03));
}

.nagoya .btn a {
  background: linear-gradient(to left, var(--nagoya-color01), var(--nagoya-color02), var(--nagoya-color03));
}

.tokyo .btn a {
  background: linear-gradient(to left, var(--tokyo-color01), var(--tokyo-color02), var(--tokyo-color03));
}

.btn a::before {
  content: "";
  position: absolute;
  display: block;
  width: 6px;
  height: 9px;
  background: #fff;
  clip-path: polygon(0 0, 0 100%, 100% 50%);
  top: 0;
  bottom: 0;
  right: 25px;
  margin: auto;
}

/*▲共通値---------------------------------*/

.mainvis {
  height: 520px;
  background: url(/updata/2026/img/bg_main.webp) 0 0 / auto 100% no-repeat, #000;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.mainvis .inner {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.mainvis .w-logo {
  position: absolute;
  width: 130px;
  top: 20px;
  left: 25px;
}

.mainvis .main-txt img {
  max-width: 420px;
  margin: 0 auto;
  display: block;
  filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(178deg) brightness(114%) contrast(102%);
}

.mainvis h1 {
  margin: 20px auto 35px;
  max-width: 570px;
}

.mainvis h1 img {
  filter: drop-shadow(0px 0px 90px rgba(0, 0, 0, 0.4));
}

.mainvis .main-date {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.mainvis .area-box {
  background: #fff;
  width: 49%;
  padding: 20px 0 25px;
}

.mainvis .area-box dl {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 16px;
}

.mainvis .area-box .date-txt {
  font-size: 2.4rem;
  margin-right: 20px;
}

.mainvis .area-box .date-txt em {
  font-size: 3.8rem;
  padding-right: 5px;
}

.mainvis .area-box dd span {
  background: #000;
  display: inline-block;
  padding: 2px 3px;
}

.mainvis .btn a {
  width: 266px;
  height: 50px;
}

.mainvis .area-box.nagoya img {
  width: 94px;
}

.mainvis .area-box.tokyo img {
  width: 67px;
}

.slide {
  margin: 30px 0 24px;
}

.slide .slick-slide {
  margin: 0 8px;
}

.slide .slick-slide a {
  position: relative;
  display: block;
}

.slide .slick-slide a::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  position: absolute;
  z-index: 1;
  opacity: 0.8;
}

.slide .slick-slide.is-main a::before {
  display: none;
}

.slide-control {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 35px;
}

.slick-arrow {
  width: 20px;
  height: 20px;
  padding: 0;
}

.slick-arrow::before {
  content: "";
  display: block;
  width: 14px;
  height: 14px;
  left: 0;
  right: 0;
  margin: auto;
  cursor: pointer;
  border-top: 2px solid #000;
  border-right: 2px solid #000;
}

.slide-prev::before {
  transform: rotate(-135deg);
}

.slide-next::before {
  transform: rotate(45deg);
}

.slide-dots {
  height: 10px;
  margin: 0 40px;
}

.slide-dots ul {
  display: flex;
  align-items: center;
  gap: 0 15px;
}

.slide-dots li {
  width: 10px;
  height: 10px;
  font-size: 0;
  line-height: 1;
  position: relative;
}

.slide-dots button {
  width: 100%;
  height: 100%;
  padding: 0;
  cursor: pointer;

}

.slide-dots button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: #e5e5e5;
  border-radius: 50%;
}

.slide-dots .slick-active button::before {
  background: var(--active-color);
}

.section-area {
  position: relative;
}

.section-area>* {
  position: relative;
  z-index: 1;
}

.section-area::before {
  max-width: 1440px;
  width: 100%;
  position: absolute;
  top: -0.14em;
  right: -120px;
  left: 0;
  margin: auto;
  text-align: right;
  font-family: 'Poppins';
  font-size: 18rem;
  font-weight: 300;
  color: rgba(0, 0, 0, 0.1);
  letter-spacing: -0.05em;
  font-style: italic;
  transition: all 1s ease;
  opacity: 0;
}

.section-area.is-show::before {
  right: 0;
  opacity: 1;
  transition-delay: 0.3s;
}

.section-area .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

#session {
  background: #000;
  padding-bottom: 90px;
}

.session-box {
  padding-top: 90px;
}

.session-box .tit-area {
  color: #fff;
  display: flex;
  align-items: center;
  font-size: 2.8rem;
  margin-bottom: 30px;
}

.session-box .tit-area h2 {
  flex-shrink: 0;
  margin-right: 28px;
}

.session-box .tit-area span {
  display: inline-block;
  background: #fff;
  padding: 3px;
}

.session-box .tit-area dl {
  display: flex;
  align-items: flex-end;
}

.session-box .date-txt em {
  font-size: 6rem;
}

.session-box .tit-area .place-txt {
  padding-bottom: 0.2em;
  margin-left: 20px;
}

.session-box .tit-area .place-txt::before {
  width: 20px;
}

.session-box .lead p {
  color: #fff;
  font-size: 1.6rem;
  line-height: 1.875;
}

.session-box .key-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 10px 10px 25px;
  margin: 50px 0 40px;
}

.session-box .key-box h3 {
  width: 112px;
}

.session-box .key-list {
  flex: 1;
  clip-path: polygon(5% 0%, 100% 0, 100% 100%, 0% 100%);
}

.session-box .key-list ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-self: flex-end;
  padding: 0 55px 0 80px;
}

.session-box .key-list li {
  width: 32%;
  position: relative;
}

.session-box .key-list li picture {
  display: block;
  position: relative;
  bottom: 0;
  z-index: 0;
}

.session-box .key-list li dl {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  margin: auto;
  width: fit-content;
  margin: 0 auto;
}

.session-box .key-list li dt {
  display: inline-block;
  background: #fff;
  font-size: 1.8rem;
  font-weight: 600;
  padding: 2px 2px 4px;
  margin-bottom: 9px;
}

.session-box .key-list li dt span {
  font-weight: 600;
  font-size: 1.2rem;
}

.session-box .key-list li dd p {
  display: inline;
  word-break: keep-all;
  overflow-wrap: normal;
  background: #fff;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  line-height: 1.9;
  font-size: 1.2rem;
  padding: 0 2px 1px;
}

.session-box .speaker ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}

.session-box .speaker li {
  width: 23.9%;
  background: #fff;
  padding: 24px 24px 10px;
  display: flex;
  flex-direction: column;
}

.session-box .speaker dt {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 24px 0 10px;
}

.session-box .speaker dt span {
  font-size: 1.2rem;
  font-weight: 600;
}

.session-box .speaker dd {
  font-size: 1.2rem;
  line-height: 1.666;
  margin-bottom: 10px;
  letter-spacing: 0;
}

.session-box .speaker .logo {
  margin-top: auto;
}

.session-box .btn a {
  width: 310px;
  height: 70px;
  font-size: 1.8rem;
}

.session-box.nagoya {
  background: url(/updata/2026/img/bg_ngo.webp) 0 0 / 100% auto no-repeat;
}

.session-box.nagoya .tit-area img {
  width: 175px;
}

.session-box.nagoya .key-box {
  background: linear-gradient(to left, var(--nagoya-color01), var(--nagoya-color02), var(--nagoya-color03));
}

.session-box.nagoya .key-list {
  background: url(/updata/2026/img/bg_key_ngo.webp) 0 0 / cover no-repeat;
}

.session-box.tokyo {
  background: url(/updata/2026/img/bg_tyo.webp) 0 0 / 100% auto no-repeat;
}

.session-box.tokyo .tit-area img {
  width: 120px;
}

.session-box.tokyo .key-box {
  background: linear-gradient(to left, var(--tokyo-color01), var(--tokyo-color02), var(--tokyo-color03));
}

.session-box.tokyo .key-list {
  background: url(/updata/2026/img/bg_key_tyo.webp) 0 0 / cover no-repeat;
}

#about {
  padding: 90px 0;
  background: url(/updata/2026/img/bg_about.jpg) right bottom no-repeat;
}

#about::before {
  content: "ABOUT";
}

.about-box {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 45px;
}

.about-box .about-img {
  width: 47.2%;
}

.about-box .about-txt {
  width: 47.5%;
}

.about-box .about-movie p {
  font-weight: 600;
  font-size: 2rem;
  margin: 30px 0 12px;
  display: flex;
  align-items: center;
}

.about-box .about-movie p::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  background: #000;
  flex-shrink: 0;
  margin-right: 10px;
}

.about-box .video {
  position: relative;
}

.about-box .video .btn {
  position: absolute;
  width: 100%;
  height: 100%;
}

.about-box .video .btn::before {
  content: "";
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1;
}

.about-box .video .btn span {
  pointer-events: none;
}

.about-box .video .btn span::before {
  content: "";
  position: absolute;
  display: block;
  inset: 0;
  margin: auto;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  background: var(--active-color);
  width: 16px;
  height: 18px;
  z-index: 2;
}

.about-box .video .btn span::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  z-index: 1;
  transition: .3s;
}

.about-box .video-inner {
  position: relative;
  height: 0;
  padding-top: 56.25%;
}

.about-box .video-inner iframe {
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.about-box .about-txt h3 {
  margin-bottom: 30px;
}

.about-box .about-txt h3 img {
  max-width: none;
  width: 100%;
}

.about-box .about-txt p {
  font-size: 1.8rem;
  line-height: 1.94;
}

.about-box .about-txt p+p {
  margin-top: 1em;
}

.exhibition {
  background: url(/updata/2026/img/bg_exhibition.webp) center center / cover no-repeat;
  padding: 55px 0 60px;
  color: #fff;
}

.exhibition .inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.exhibition .ex-txt {
  width: 43.9%;
}

.exhibition .ex-txt h2 span {
  display: block;
  width: fit-content;
  background: #fff;
  padding: 3px;
  margin-bottom: 20px;
}

.exhibition .ex-txt p {
  line-height: 2.1;
  font-size: 1.6rem;
}

.exhibition .ex-txt .btn a {
  margin: 30px 0 0 0;
  width: 310px;
  height: 70px;
  font-size: 1.8rem;
}

.exhibition .ex-img {
  width: 51.2%;
}

#sponsor {
  padding: 90px 0;
  background: url(/updata/2026/img/bg_sponsor.jpg) right bottom no-repeat, #f1f1f1;
}

#sponsor::before {
  content: "SPONSOR";
  color: rgba(0, 0, 0, 0.07);
}

#sponsor h2 {
  margin-bottom: 60px;
}

.sponsor-list {
  display: flex;
  justify-content: space-between;
}

.sponsor-list+.sponsor-list {
  margin-top: 20px;
}

.sponsor-list h3 {
  font-family: 'Poppins';
  font-weight: 600;
  font-size: 3rem;
  border-top: 1px solid #cecece;
  width: 20.6%;
  margin-right: 20px;
  flex-shrink: 0;
  padding-top: 30px;
  line-height: 1.052;
}

.sponsor-list ul {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sponsor-list .col02 li {
  width: 49.6%;
}

.sponsor-list .col03 li {
  width: 32.8%;
}

.sponsor-list .col04 li {
  width: 24.4%;
}

.sponsor-list .col06 li {
  width: 16.1%;
}

.nest {
  padding: 90px 0;
  background: url(/updata/2026/img/bg_nest.jpg) right bottom no-repeat;
}

.nest::before {
  content: "AMBASSADOR";
}

.nest h2 {
  margin-bottom: 65px;
}

#outline {
  padding: 90px 0;
  background: url(/updata/2026/img/bg_outline01.jpg) right bottom no-repeat, #f2f2f2;
}

#outline::before {
  content: "OUTLINE";
  color: rgba(0, 0, 0, 0.07);
}

#outline .outline-info {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

#outline .outline-info h2 {
  width: 21.9%;
}

#outline .outline-info table {
  width: 70.9%;
  font-size: 1.8rem;
  border-top: 1px solid #a9a9a9;
}

#outline .outline-info th {
  font-size: 1.5rem;
  font-weight: 600;
  color: #625656;
  padding: 20px 10px;
  border-bottom: 1px solid #a9a9a9;
  width: 135px;
  color: #625656;
}

#outline .outline-info td {
  line-height: 1.9;
  padding: 20px;
  border-bottom: 1px solid #a9a9a9;
}

#outline .outline-info td p+p {
  margin-top: 1em;
}

#outline .outline-area {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 80px;
}

#outline .area-box {
  width: 47.5%;
  display: flex;
  flex-direction: column;
}

#outline .area-txt {
  padding: 25px 40px 25px;
  line-height: 1.5;
}

#outline .area-date {
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 25px;
}

#outline .area-date h3 {
  flex-shrink: 0;
  margin-right: 20px;
}

#outline .area-date h3 span {
  display: inline-block;
  background: #000;
  padding: 3px 3px 4px;
}

#outline .area-date .date-txt em {
  font-size: 3.2rem;
}

#outline .area-date .place-txt {
  margin-top: 7px;
}

#outline .area-date .place-txt::before {
  background-image: url(/updata/2026/common/img/ico_place_blk.svg);
}

#outline .area-txt ul {
  margin-top: 12px;
}

#outline .area-txt li {
  display: flex;
  margin-top: 3px;
}

#outline .area-txt li::before {
  content: "・";
  flex-shrink: 0;
  margin: 0px 7px 0 0;
}

#outline .area-box .btn {
  margin: auto 0 40px;
}

#outline .area-box .btn a {
  width: 230px;
  height: 50px;
  font-size: 1.5rem;
}

#outline .area-box.nagoya {
  background: url(/updata/2026/img/bg_outline02.webp) 0 bottom / 100% auto no-repeat, #fff;
}

#outline .area-box.nagoya h3 img {
  width: 130px;
}

#outline .area-box.tokyo {
  background: url(/updata/2026/img/bg_outline03.webp) 0 bottom / 100% auto no-repeat, #fff;
}

#outline .area-box.tokyo h3 img {
  width: 95px;
}


/*Scroll animetion set*/

.mainvis .btn-area p {
  transition-delay: 0.2s;
}

.mainvis .btn-area ul {
  transition-delay: 0.5s;
}

/*右から左*/
#session .tit-area,
#session .key-box,
#about h2,
.exhibition h2,
#sponsor h2,
.nest h2,
#outline h2 {
  clip-path: inset(0 100% 0 0);
  transition: all 1s ease;
}

#session .tit-area.is-show,
#session .key-box.is-show,
#about h2.is-show,
.exhibition h2.is-show,
#sponsor h2.is-show,
.nest h2.is-show,
#outline h2.is-show {
  clip-path: inset(0);
}

/*フェ－ドイン*/
.mainvis .main-txt,
.mainvis h1,
.mainvis .main-date,
.speaker li,
.sponsor-list li,
.nest-img,
.outline-area .area-box {
  opacity: 0;
  transition: all 0.8s;
}

.mainvis.is-show .main-txt,
.mainvis.is-show h1,
.mainvis.is-show .main-date,
.speaker li.is-show,
.sponsor-list li.is-show,
.nest-img.is-show,
.outline-area .area-box.is-show {
  opacity: 1;
}



/* ----------------------------------------------------
メディアクエリ設定 (PC) 961px～
---------------------------------------------------- */
@media screen and (min-width: 961px) {
  .anker-list {
    position: fixed;
    right: 0;
    top: 185px;
    width: 170px;
    background: #fff;
    z-index: 99;
    padding: 25px 0;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    border-radius: 10px 0 0 10px;
  }

  .anker-list li {
    position: relative;
    display: flex;
  }

  .anker-list li+li {
    margin-top: 14px;
  }

  .anker-list a {
    color: #000;
    text-decoration: none;
    position: relative;
    display: inline-block;
    padding: 3px 0 2px 15px;
  }

  .anker-list span {
    display: inline-block;
    font-weight: 600;
    font-size: 1.6rem;
    position: relative;
  }

  .anker-list .active::after {
    content: "";
    position: absolute;
    top: 2px;
    bottom: 0;
    left: 0;
    margin: auto;
    display: block;
    width: 4px;
    height: 100%;
    background: var(--active-color);
  }

}




/* ----------------------------------------------------
メディアクエリ設定 (smartPhone only)   0～960px
---------------------------------------------------- */
@media screen and (max-width: 960px) {
  .btn a {
    font-size: 2.933vw;
  }

  .btn a::before {
    width: 1.2vw;
    height: 1.6vw;
    right: 2.66vw;
  }

  .content img {
    max-width: none;
    width: 100%;
  }

  .anker-list {
    display: none;
  }

  .mainvis {
    background: url(/updata/2026/img/bg_main_sp.webp) 0 0 / cover no-repeat;
    height: 102vw;
    align-items: flex-end;
  }

  .mainvis .inner {
    max-width: none;
    padding: 0 8vw 10.66vw;
  }

  .mainvis .w-logo {
    width: 20.53vw;
    top: 2.6vw;
    left: 2.6vw;
  }

  .mainvis .main-txt img {
    max-width: none;
    width: 64vw;
  }

  .mainvis h1 {
    max-width: none;
    width: 100%;
    margin: 4vw 0 6.66vw;
  }

  .mainvis h1 img {
    filter: drop-shadow(0px 0px 0vw rgba(0, 0, 0, 0.4));
  }

  .mainvis .area-box {
    width: 48.4%;
    padding: 5.33vw 3.33vw;
  }

  .mainvis .area-box dl {
    flex-direction: column-reverse;
    align-items: center;
    margin-bottom: 3.2vw;
  }

  .mainvis .area-box .date-txt {
    margin: 2.2vw 0 0;
    font-size: 4.26vw;
  }

  .mainvis .area-box .date-txt em {
    font-size: 3.8rem;
    padding-right: 1vw;
    font-size: 6.4vw;
  }

  .mainvis .area-box dd span {
    padding: 0.5vw;
  }

  .mainvis .btn a {
    width: 34.26vw;
    height: 7.46vw;
  }

  .mainvis .area-box.nagoya img {
    width: 19.73vw;
  }

  .mainvis .area-box.tokyo img {
    width: 14vw;
  }

  .slide {
    margin: 4vw 0;
  }

  .slide .slick-slide {
    margin: 0 1.33vw;
  }

  .slide-control {
    margin-bottom: 10.66vw;
  }

  .slide-dot {
    height: 2.66vw;
  }

  .slide-dots ul {
    gap: 0 4.26vw;
  }

  .slide-dots li {
    width: 2.66vw;
    height: 2.66vw;
  }

  .section-area::before {
    font-size: 17.333vw;
    right: -1em;
    left: auto;
  }

  .section-area.is-show::before {
    right: 0.15em;
  }

  .section-area .inner {
    padding: 0 5.33vw;
  }

  #session {
    padding-bottom: 10.666vw;
  }

  .session-box {
    padding-top: 8vw;
  }

  .session-box .tit-area {
    font-size: 3.733vw;
    margin-bottom: 2.6vw;
  }

  .session-box .tit-area h2 {
    margin-right: 3.2vw;
  }

  .session-box .tit-area span {
    padding: 0.5vw;
  }

  .session-box .tit-area dl {
    display: block;
  }

  .session-box .date-txt em {
    font-size: 6.4vw;
  }

  .session-box .tit-area .place-txt {
    margin: 1vw 0 0 0;
  }

  .session-box .tit-area .place-txt::before {
    width: 2.6vw;
  }

  .session-box .lead p {
    font-size: 3.7333vw;
  }

  .session-box .key-box {
    display: block;
    padding: 4vw 2.666vw 2.666vw;
    margin: 6vw 0 2.666vw;
  }

  .session-box .key-box h3 {
    width: 27.2vw;
    margin: 0 auto 2.666vw;
  }

  .session-box .key-list {
    clip-path: polygon(0 3%, 100% 0, 100% 100%, 0% 100%);
  }

  .session-box .key-list ul {
    justify-content: center;
    gap: 1vw;
    padding: 6vw 0 4vw 0;
  }

  .session-box .key-list li {
    width: 49%;
    padding-bottom: 6vw;
  }

  .session-box .key-list li dl {
    bottom: 0;
  }

  .session-box .key-list li dt {
    font-size: 4vw;
    margin-bottom: 1.3vw;
    padding: 0.5vw;
  }

  .session-box .key-list li dt span {
    font-size: 2.66vw;
  }

  .session-box .key-list li dd p {
    font-size: 2.66vw;
    padding: 0 0.5vw 0.3vw;
  }

  .session-box .speaker ul {
    gap: 2.66vw;
    margin-bottom: 6.4vw;
  }

  .session-box .speaker li {
    width: 43.33vw;
    padding: 2.66vw 2.66vw 1.33vw;
  }

  .session-box .speaker dt {
    font-size: 3.733vw;
    margin: 3.7vw 0 2vw;
  }

  .session-box .speaker dt span {
    font-size: 2.66vw;
  }

  .session-box .speaker dd {
    font-size: 2.66vw;
    margin-bottom: 1.3vw
  }

  .session-box .btn a {
    font-size: 3.733vw;
    width: 64vw;
    height: 11.733vw;
  }

  .session-box.nagoya {
    background-image: url(/updata/2026/img/bg_ngo_sp.webp);
  }

  .session-box.nagoya .tit-area img {
    width: 28vw;
  }

  .session-box.nagoya .key-box {
    background: linear-gradient(to top, var(--nagoya-color01), var(--nagoya-color02), var(--nagoya-color03));
  }

  .session-box.nagoya .key-list {
    background-image: url(/updata/2026/img/bg_key_ngo_sp.webp);
  }

  .session-box.tokyo {
    padding-top: 13.333vw;
    background-image: url(/updata/2026/img/bg_tyo_sp.webp);

  }

  .session-box.tokyo .tit-area img {
    width: 20.66vw;
  }

  .session-box.tokyo .key-box {
    background: linear-gradient(to top, var(--tokyo-color01), var(--tokyo-color02), var(--tokyo-color03));
  }

  .session-box.tokyo .key-list {
    background-image: url(/updata/2026/img/bg_key_tyo_sp.webp);
  }

  #about {
    padding: 10.66vw 0;
    background: url(/updata/2026/img/bg_about_sp.webp) 0 0 / 100% auto no-repeat;
  }

  #about h2 img {
    width: 88vw;
  }

  .about-box {
    flex-direction: column-reverse;
    margin-top: 8vw;
  }

  .about-box .about-img {
    width: 100%;
    margin-top: 6.66vw;
  }

  .about-box .about-movie p {
    font-size: 3.733vw;
    margin: 5.33vw 0 2.66vw;
  }

  .about-box .about-movie p::before {
    width: 0.8vw;
    height: 0.8vw;
    margin-right: 2vw;
  }

  .about-box .video .btn span::before {
    width: 2.133vw;
    height: 2.4vw;
  }

  .about-box .video .btn span::after {
    width: 14.66vw;
    height: 14.66vw;
  }

  .about-box .about-txt {
    width: 100%;
  }

  .about-box .about-txt h3 {
    width: 80.66vw;
    margin-bottom: 5.33vw;
  }

  .about-box .about-txt p {
    font-size: 3.733vw;
    line-height: 1.75;
  }

  .exhibition {
    padding: 0;
    background: none;
  }

  .exhibition .inner {
    flex-direction: column;
  }

  .exhibition .ex-txt {
    width: 100vw;
    background: url(/updata/2026/img/bg_exhibition_sp.webp) 0 0 / cover no-repeat;
    margin: 0 -5.33vw;
    padding: 10.66vw 5.33vw;
  }

  .exhibition .ex-txt h2 span {
    padding: 0.5vw;
    margin-bottom: 5.33vw;
  }

  .exhibition .ex-txt h2 img {
    width: 36.66vw;
  }

  .exhibition .ex-txt p {
    font-size: 3.73vw;
    line-height: 1.75;
  }

  .exhibition .ex-txt .btn a {
    margin: 5.33vw auto 0;
    font-size: 3.733vw;
    width: 64vw;
    height: 11.733vw;
  }

  .exhibition .ex-img {
    width: 100vw;
    margin: 0 -5.33vw;
  }

  #sponsor {
    padding: 10.66vw 0 2.66vw;
    background-size: 100% auto;
  }

  #sponsor h2 {
    width: 46.66vw;
    margin-bottom: 8.66vw;
  }

  .sponsor-list {
    padding: 6.66vw 0 8vw;
    display: block;
    border-top: 1px solid #c2c2c2;
  }

  .sponsor-list+.sponsor-list {
    border-top: 1px solid #c2c2c2;
    margin-top: 0;
  }

  .sponsor-list h3 {
    width: 100%;
    border: none;
    font-size: 6.4vw;
    margin: 0 0 5.33vw 0;
    padding: 0;
  }

  .sponsor-list ul {
    gap: 2.66vw;
  }

  .sponsor-list .col02 li {
    width: 100%;
  }

  .sponsor-list .col03 li {
    width: 43.33vw;
  }

  .sponsor-list .col04 li,
  .sponsor-list .col06 li {
    width: 28vw;
  }

  .nest {
    padding: 10.66vw 0;
    background-size: 100% auto;
  }

  .nest::before {
    font-size: 16.7vw;
  }

  .section-area.is-show::before {
    right: 0.26em;
  }

  .nest h2 {
    width: 73.33vw;
    margin-bottom: 8vw;
  }

  #outline {
    padding: 10.66vw 0;
    background-size: 100% auto;
  }

  #outline .outline-info {
    display: block;
  }

  #outline .outline-info h2 {
    width: 42.66vw;
    margin-bottom: 8vw;
  }

  #outline .outline-info table {
    width: 100%;
    font-size: 3.733vw;
  }

  #outline .outline-info th {
    font-size: 3.2vw;
    width: 20vw;
    padding: 5.33vw 0;
  }

  #outline .outline-info td {
    padding: 5.33vw 0;
    line-height: 1.75;
  }

  #outline .outline-area {
    flex-direction: column;
    margin-top: 10.66vw;
    gap: 5.33vw 0;
  }

  #outline .area-box {
    width: 100%;
  }

  #outline .area-txt {
    padding: 6.4vw 5.33vw 5vw;
    font-size: 3.733vw;
  }

  #outline .area-date {
    font-size: 3.733vw;
    margin-bottom: 4vw;
  }

  #outline .area-date h3 {
    margin-right: 3.2vw;
  }

  #outline .area-date h3 span {
    padding: 0.5vw;
  }

  #outline .area-date dl {
    padding-bottom: 1vw;
  }

  #outline .area-date .date-txt em {
    font-size: 6.4vw;
  }

  #outline .area-date .place-txt {
    margin-top: 1vw;
    letter-spacing: 0;
  }

  #outline .area-date .place-txt::before {
    width: 2.4vw;
  }

  #outline .area-box.nagoya h3 img {
    width: 27.33vw;
  }

  #outline .area-box.tokyo h3 img {
    width: 20.66vw;
  }

  #outline .area-txt ul {
    margin-top: 3vw;
  }

  #outline .area-txt li {
    margin-top: 1.5vw;
  }

  #outline .area-txt li::before {
    margin-right: 1vw;
  }

  #outline .area-box .btn {
    margin-bottom: 8vw;
  }

  #outline .area-box .btn a {
    font-size: 3.733vw;
    width: 53.33vw;
    height: 9.6vw;
  }

  #outline .area-box.nagoya {
    background-image: url(/updata/2026/img/bg_outline02_sp.webp);
  }

  #outline .area-box.tokyo {
    background-image: url(/updata/2026/img/bg_outline03_sp.webp);
  }
}