@charset "UTF-8";
html {
  scroll-behavior: smooth;
}

body {
  color: #fff;
  background: #141414;
  font-size: 16px;
  line-height: 1.8; /* 180% */
  font-family: "Noto Sans JP", sans-serif;
}
body p {
  -webkit-font-feature-settings: "palt";
          font-feature-settings: "palt";
}

@media screen and (min-width: 768px) {
  .hidden-md {
    display: none;
  }
}

.hero {
  background: linear-gradient(105deg, #0e002e 0%, #1e092b 23.1%, #320c65 49.12%, #a01b7c 79.8%, #c21780 100%);
  overflow: hidden;
}

.header__inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding: 22px 15px;
}
@media screen and (min-width: 768px) {
  .header__inner {
    padding: 31px 30px;
    max-width: 1366px;
    margin-inline: auto;
  }
}

.header__logo a {
  color: #d136d1;
  font-family: Montserrat;
  font-size: 28px;
  font-style: normal;
  font-weight: 700;
  line-height: 28px; /* 100% */
  letter-spacing: 1.4px;
  display: block;
}

.header__nav {
  display: none;
}
@media screen and (min-width: 768px) {
  .header__nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    gap: 29px;
    position: relative;
    z-index: 1;
  }
}

.header__link {
  color: #fff;
  font-family: Montserrat;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.8px;
}

@media screen and (min-width: 768px) {
  .header__open {
    display: none;
  }
}

.drawer-icon {
  width: 36px;
  height: 21px;
  position: relative;
  z-index: 51;
}
.drawer-icon.is-checked {
  position: fixed;
  top: 22px;
  right: 15px;
}
.drawer-icon.is-checked .drawer-icon__bar:nth-of-type(1) {
  top: 10px;
  -webkit-transform: rotate(30deg);
          transform: rotate(30deg);
}
.drawer-icon.is-checked .drawer-icon__bar:nth-of-type(2) {
  display: none;
}
.drawer-icon.is-checked .drawer-icon__bar:nth-of-type(3) {
  top: 10px;
  -webkit-transform: rotate(-30deg);
          transform: rotate(-30deg);
}

.drawer-icon__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 3px;
  border-radius: 6px;
  background: #fff;
  -webkit-transition: top 0.3s linear, -webkit-transform 0.3s linear;
  transition: top 0.3s linear, -webkit-transform 0.3s linear;
  transition: transform 0.3s linear, top 0.3s linear;
  transition: transform 0.3s linear, top 0.3s linear, -webkit-transform 0.3s linear;
}
.drawer-icon__bar:nth-of-type(2) {
  top: 9px;
}
.drawer-icon__bar:nth-of-type(3) {
  top: 18px;
}

.drawer-content {
  width: 320px;
  height: 100%;
  position: fixed;
  top: 0;
  right: 0;
  background: #141414;
  z-index: 50;
  padding: 86px 40px 40px;
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
  -webkit-transition: -webkit-transform 0.3s linear;
  transition: -webkit-transform 0.3s linear;
  transition: transform 0.3s linear;
  transition: transform 0.3s linear, -webkit-transform 0.3s linear;
}
.drawer-content.is-checked {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}

.drawer-content__link {
  display: block;
  padding-top: 14px;
  padding-bottom: 14px;
  text-align: right;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.48px;
}

.mv__inner {
  margin-inline: auto;
  padding-inline: 8%;
  padding-bottom: 5%;
}
@media screen and (min-width: 768px) {
  .mv__inner {
    position: relative;
    padding-bottom: 144px;
    padding-bottom: 154px;
    padding-inline: 98px 64px;
  }
}

.mv__content {
  position: relative;
  z-index: 2;
}

.mv__lead {
  font-family: "Montserrat", sans-serif;
  margin-top: 62px;
}

.mv__lead1,
.mv__lead2,
.mv__lead3 {
  display: block;
}

.mv__lead1 {
  color: #d136d1;
  font-size: clamp(18px, 1.76vw, 24px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 1.2px;
}

.mv__lead2 {
  margin-top: 19px;
  color: #fff;
  font-size: clamp(28px, 7.32vw, 100px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 1.6px;
}

.mv__lead3 {
  margin-top: 10px;
  color: #fff;
  font-size: clamp(26px, 2.63vw, 36px);
  font-weight: 700;
  line-height: 41.4px; /* 115% */
  letter-spacing: 2.52px;
}

.mv__bottom {
  margin-top: 32px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (min-width: 768px) {
  .mv__bottom {
    gap: 52.25px;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.button {
  -ms-flex-negative: 0;
      flex-shrink: 0;
  border-radius: 50px;
  background: -webkit-gradient(linear, left top, right top, from(#c41a7f), to(#664bbf));
  background: linear-gradient(90deg, #c41a7f 0%, #664bbf 100%);
  text-align: center;
  padding-block: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 90%;
  max-width: 320px; /* タブレット以上で広がりすぎないよう制御 */
  -webkit-box-shadow: 0px 10px 1px rgb(221, 17, 142);
          box-shadow: 0px 10px 1px rgb(221, 17, 142);
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
}
@media screen and (min-width: 768px) {
  .button {
    max-width: 200px;
  }
}
@media screen and (min-width: 1200px) {
  .button {
    max-width: 300px;
  }
}
.button.button--about {
  background: -webkit-gradient(linear, right top, left top, from(#ba2073), to(#664bbf));
  background: linear-gradient(270deg, #ba2073 0%, #664bbf 100%);
  width: 90%; /* 基本は9割にして左右余白を作る */
  max-width: 320px; /* タブレット以上で広がりすぎないよう制御 */
  margin: 0 auto; /* 中央寄せ */
}
@media screen and (min-width: 768px) {
  .button.button--about {
    margin-inline: 0 auto;
    width: 230px;
  }
}
@media screen and (min-width: 1200px) {
  .button.button--about {
    min-width: 17vw;
  }
}
.button:hover {
  -webkit-transform: translateY(4px);
          transform: translateY(4px);
  -webkit-box-shadow: 0px 4px 1px rgb(221, 17, 142);
          box-shadow: 0px 4px 1px rgb(221, 17, 142);
}
.button:active {
  -webkit-transform: translateY(6px);
          transform: translateY(6px);
  -webkit-box-shadow: 0px 2px 1px rgb(221, 17, 142);
          box-shadow: 0px 2px 1px rgb(221, 17, 142);
}
.button a {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.9px;
}

.mv__sub-image {
  margin-top: 10px;
  z-index: -1;
  text-align: right;
}
@media screen and (min-width: 600px) {
  .mv__sub-image {
    margin-top: -10px;
  }
}
@media screen and (min-width: 768px) {
  .mv__sub-image {
    margin-top: -74.71px;
  }
}
.mv__sub-image img {
  width: 35vw;
}
@media screen and (min-width: 768px) {
  .mv__sub-image img {
    width: 326px;
  }
}

.mv__image {
  text-align: center;
}
@media screen and (min-width: 768px) {
  .mv__image {
    position: absolute;
    right: 0px;
    bottom: 0;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
  }
}
@media screen and (min-width: 1200px) {
  .mv__image {
    bottom: 0;
    right: 64px;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
  }
}
.mv__image img {
  width: 40vw;
}
@media screen and (min-width: 768px) {
  .mv__image img {
    width: 48vw;
  }
}
@media screen and (min-width: 1200px) {
  .mv__image img {
    width: 560px;
  }
}

.mv__author {
  margin-top: -25%;
  padding-bottom: 7%;
}
@media screen and (min-width: 768px) {
  .mv__author {
    position: absolute;
    right: 30px;
    bottom: 37px;
    padding-bottom: 0;
  }
}
@media screen and (min-width: 1302px) {
  .mv__author {
    right: 67px;
    bottom: 19px;
  }
}
.mv__author p {
  display: block;
  -webkit-font-feature-settings: normal;
          font-feature-settings: normal;
}

.mv__author-name {
  color: #fff;
  font-family: "Noto Sans JP";
  font-size: clamp(15px, 1.54vw, 21px);
  font-style: normal;
  font-weight: 700;
  line-height: 21px; /* 100% */
  letter-spacing: -1.26px;
}
.mv__author-name span {
  color: #fff;
  font-size: 16.8px;
  font-weight: 700;
  line-height: 16.8px;
  letter-spacing: 0.84px;
}

.mv__author-job {
  margin-top: 3px;
  color: #fff;
  font-family: "Noto Sans JP";
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  line-height: 14px; /* 100% */
  letter-spacing: 0.7px;
}
@media screen and (min-width: 768px) {
  .mv__author-job {
    font-size: 14px;
  }
}

.about {
  padding-block: 16%;
}
@media screen and (min-width: 768px) {
  .about {
    padding-block: 112px;
  }
}

.about__inner {
  padding-inline: 9.3%;
  max-width: 1366px;
  margin-inline: auto;
}

.heading {
  text-align: center;
}

.heading__en {
  color: #d136d1;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(40px, 4.39vw, 80px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 3px;
  display: block;
}

.heading__ja {
  margin-top: 10px;
  color: #fff;
  font-size: clamp(15px, 1.4vw, 20px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 1px;
  display: block;
}

.about__boxes {
  margin-top: 60px;
}

.about-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 40px;
}
@media screen and (min-width: 768px) {
  .about-box {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    gap: 69px;
  }
}

.about-box__image {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .about-box__image {
    width: 40.4545454545%;
  }
}
.about-box__image img {
  width: 100%;
  height: 40vh; /* 高さを確保 */
  -o-object-fit: cover;
     object-fit: cover; /* 縦横比を保ちながら、はみ出る部分は切り取る */
  -o-object-position: center;
     object-position: center; /* 画像の中心を表示 
*/
}
@media screen and (min-width: 768px) {
  .about-box__image img {
    height: auto; /* 高さを確保 */
  }
}

.about-box__body {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .about-box__body {
    width: 54.1818181818%;
    margin-top: -20px;
  }
}

.about-box__title-sub {
  display: block;
  font-size: clamp(15px, 1.75vw, 24px);
  font-weight: 700;
  line-height: 1.15; /* 115% */
}

.about-box__title-main {
  margin-top: 12px;
  display: block;
  color: #d136d1;
  font-size: clamp(33px, 3.51vw, 48px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 4.8px;
}
@media screen and (min-width: 768px) {
  .about-box__title-main {
    margin-top: clamp(12px, 1.5vw, 20px);
  }
}

.about-box__text {
  margin-top: clamp(20px, 2.9vw, 40px);
  color: #fff;
  font-size: 18px;
  font-size: clamp(14px, 1.31vw, 18px);
  font-weight: 500;
  line-height: 1.8; /* 180% */
  letter-spacing: 0.9px;
}

.event-details {
  margin-top: 25px;
}

.event-details__item {
  margin-top: 10px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 34px;
}

.event-details__label,
.event-details__value {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
}
@media screen and (min-width: 768px) {
  .event-details__label,
  .event-details__value {
    font-size: 16px;
  }
}

.event-details__label {
  min-width: 21%;
}
@media screen and (min-width: 768px) {
  .event-details__label {
    min-width: 6.6vw;
  }
}
@media screen and (min-width: 1200px) {
  .event-details__label {
    min-width: 4vw;
  }
}

.event-details__value {
  font-weight: 500;
}

.about__button {
  margin-top: 25px;
}

.speaker {
  padding-block: 16%;
  background: linear-gradient(152deg, #0f002e 0%, #0e002e 0%, #1e092b 23.1%, #320c65 49.12%, #a01b7c 79.8%, #c21780 100%);
}
@media screen and (min-width: 768px) {
  .speaker {
    padding-block: 110px;
  }
}

.speaker__inner {
  padding-inline: 9.3%;
  max-width: 1366px;
  margin-inline: auto;
}

.speaker__boxes {
  margin-top: 64px;
}
@media screen and (min-width: 768px) {
  .speaker__boxes {
    margin-top: 60px;
  }
}

.speaker__box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 80px;
}

.speaker-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 24px;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (min-width: 768px) {
  .speaker-box {
    gap: clamp(24px, 39vw, 60px);
  }
}
@media screen and (min-width: 768px) {
  .speaker-box {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
  .speaker-box.speaker-box--reverse {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
}

.speaker-box__image {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .speaker-box__image {
    width: 40.19%;
  }
}

@media screen and (min-width: 768px) {
  .speaker-box__body {
    width: 55%;
  }
}

.speaker-box__name-en {
  display: block;
  color: #d136d1;
  font-family: "Montserrat", sans-serif;
  font-size: 42px;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 3.1px;
}

.speaker-box__name-ja {
  display: block;
  margin-top: 10px;
  font-size: clamp(14px, 1.31vw, 18px);
  font-weight: 700;
  line-height: 1; /* 100% */
  letter-spacing: 0.9px;
}

.speaker-box__text {
  margin-top: 40px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.8; /* 180% */
  letter-spacing: 0.8px;
}
@media screen and (min-width: 768px) {
  .speaker-box__text {
    font-size: 16px;
  }
}

.session {
  padding-block: 16%;
}
@media screen and (min-width: 768px) {
  .session {
    padding-block: 113px;
  }
}

.session__inner {
  padding-inline: 9.3%;
  max-width: 1366px;
  margin-inline: auto;
}

.session__list {
  margin-top: 60px;
}

.session-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  gap: 40px;
  padding-block: 24px;
  border-bottom: 1px solid #d136d1;
}
@media screen and (min-width: 768px) {
  .session-item {
    gap: 35px;
    padding-block: 40px;
  }
}

.session-item__time {
  min-width: 15%;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  margin-left: 30px;
}

.session-item__time-text {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 1.1px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
@media screen and (min-width: 768px) {
  .session-item__time-text {
    font-size: clamp(18px, 1.61vw, 22px);
  }
}

.session-item__title {
  color: #d136d1;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 1.1px;
}
@media screen and (min-width: 768px) {
  .session-item__title {
    font-size: clamp(18px, 1.61vw, 22px);
  }
}

.session-item__description {
  margin-top: 15px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5; /* 150% */
  letter-spacing: 0.75px;
}

.register {
  padding-top: 6.55%;
  padding-bottom: 8%;
  background: url(../img/register-bg.png) repeat;
  background-size: 25% auto; /* 横幅を要素幅の1/4に調整 → 4枚でピッタリ */
}
@media screen and (min-width: 768px) {
  .register {
    padding-top: 90px;
    padding-bottom: 110px;
  }
}

.register__inner {
  padding-inline: 9.3%;
  max-width: 1366px;
  margin-inline: auto;
}

.register__form {
  margin-top: 60px;
  border-radius: 20px;
  border: 5px solid #d136d1;
  background: #1a1a1a;
  padding-inline: 14%;
  padding-block: 76px 80px;
}

.register__fields {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 26px;
}

.register__button {
  margin-top: 50px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.form-field {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 7px;
}

.form-field__label {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
  display: inline;
}
@media screen and (min-width: 768px) {
  .form-field__label {
    font-size: 16px;
  }
}

.form-field__tag {
  color: #d136d1;
  font-size: 11.2px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.56px;
  margin-left: 4px;
}
.form-field__tag.form-field__tag--tel {
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  margin-left: 2px;
}
@media screen and (min-width: 768px) {
  .form-field__tag {
    margin-left: 6px;
  }
}

.form-field__item [type=text],
.form-field__item [type=email],
.form-field__item [type=tel] {
  color: #222;
  border-radius: 6px;
  border: 1px solid #aaa;
  background: #fff;
  width: 100%;
}
@media screen and (min-width: 768px) {
  .form-field__item [type=text],
  .form-field__item [type=email],
  .form-field__item [type=tel] {
    max-width: 300px;
    width: 300px;
  }
}
@media screen and (min-width: 768px) {
  .form-field__item [type=tel] {
    max-width: 200px;
    width: 200px;
  }
}
.form-field__item select {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  border-radius: 6px;
  border: 1px solid #aaa;
  background: #fff;
  color: #333;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
  padding: 8px;
  max-width: 100%;
}
@media screen and (min-width: 768px) {
  .form-field__item select {
    max-width: 300px;
    width: 300px;
    font-size: 16px;
  }
}
.form-field__item textarea {
  border-radius: 6px;
  border: 1px solid #aaa;
  background: #fff;
  color: #8b8b8b;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
  padding: 8px;
  width: 100%;
}
@media screen and (min-width: 768px) {
  .form-field__item textarea {
    font-size: 16px;
    max-width: 100%;
    width: 600px;
    height: 200px;
  }
}

.form-field__radios {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 16px;
}
@media screen and (min-width: 768px) {
  .form-field__radios {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 35px;
  }
}

.form-field__radio {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 5px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.form-field__radio-text {
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
}

.register__button {
  color: #fff;
  font-family: "Noto Sans JP";
  font-size: 18px;
  font-style: normal;
  font-weight: 700;
  line-height: 18px; /* 100% */
  letter-spacing: 0.9px;
}

.footer {
  background: #141414;
  padding-block: 33px;
  text-align: center;
}

.footer__copyright {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.15; /* 115% */
  letter-spacing: 0.8px;
}
@media screen and (min-width: 768px) {
  .footer__copyright {
    font-size: 16px;
  }
}

.pagetop {
  position: fixed;
  right: 40px;
  bottom: 40px;
  width: 40px;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: opacity 0.3s, visibility 0.3s;
  transition: opacity 0.3s, visibility 0.3s;
}
.pagetop.is-show {
  opacity: 1;
  visibility: visible;
}
@media screen and (min-width: 768px) {
  .pagetop {
    width: 80px;
  }
}