@charset "UTF-8";
/* ====================
common
==================== */
html {
  font-size: 62.5%;
}

body {
  font-family: "Zen Kaku Gothic Antique", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 1.6rem;
  line-height: 1.5;
}

img {
  max-width: 100%;
  height: auto;
}

.spBr,
.spBr__session {
  display: none;
}

.cta-link {
  display: inline-block;
  padding: 11px 52.7px 11px 34.8px;
  color: #dc0519;
  background-color: #fff;
  font-weight: 700;
  border-radius: 50px;
  position: relative;
  border: 1px solid #c00;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.cta-link::before {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  background-image: url(../images/cta-btn.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.cta-link.menu-open {
  border: none;
  box-shadow: none;
}

@media (hover: hover) {
  .cta-link:hover {
    background-color: #dc0519;
    color: #fff;
    transition: all 0.3s ease;
    border: 1px solid #fff;
  }
}

@media screen and (max-width: 768px) {
  body {
    font-size: 1.5rem;
  }

  .cta-link {
    padding: 10.2px 49px 10.2px 30px;
    font-weight: 700;
  }

  .cta-link::before {
    right: 12px;
    width: 23px;
    height: 23px;
  }
}

/*==========================
header
==========================*/
.header {
  display: flex;
  justify-content: flex-end;
  position: fixed;
  padding-top: 25px;
  width: 100%;
  z-index: 9999;
}

.nav__header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 9998;
}

.nav__header a {
  margin-right: 124.5px;
}

.header__button {
  position: fixed;
  right: 60px;
  width: 47px;
  height: 47px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  background-image: url(../images/header-btn-open.svg);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.header__button.active {
  background-image: url(../images/header-btn-close.svg);
}

.nav {
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  background-image: url(../images/Hamburger-bg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position-x: center;
  transform: translateX(100%);
  transition: transform 0.4s;
}

.nav.open {
  transform: translateX(0);
}

.nav__logo {
  margin-top: 138px;
  text-align: center;
}

.nav__logo img {
  width: 446px;
  height: 155px;
}

.nav__logo--sp {
  display: none;
}

.nav__list {
  margin-top: 45px;
  text-align: center;
}

.nav__item a {
  font-family: "Zen Old Mincho", serif;
  font-size: 2.4rem;
  line-height: 2.2;
  color: #e1af73;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: #fff;
  text-underline-offset: 8px;
}

@media screen and (max-width: 768px) {
  .header {
    padding-top: 22px;
  }

  .nav__header a {
    margin-right: 63px;
  }

  .header__button {
    right: 20px;
    width: 38px;
    height: 38px;
  }

  .nav__logo {
    margin-top: 100px;
    text-align: center;
  }

  .nav__logo img {
    height: 176px;
    width: 199.5px;
  }

  .nav__logo--sp {
    display: inline-block;
  }

  .nav__logo--pc {
    display: none;
  }

  .nav__item a {
    line-height: 2;
  }
}

/*==========================
main
==========================*/
/* fv */
.fv {
  width: 100%;
  height: 100vh;
  text-align: center;
  background-image: url(../images/top-bg.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fv__img {
  width: 42.5%;
  max-width: 900px;
  aspect-ratio: 17/15;
}

.textboxv {
  display: block;
  position: absolute;
  right: 6.8%;
  top: 80vh;
}

.text__v {
  color: #fff;
  font-size: 2rem;
  font-family: "Zen Old Mincho", serif;
  font-weight: 500;
  writing-mode: sideways-lr;
  transform: rotate(180deg);
}

.line {
  position: absolute;
  right: 7%;
  top: 10vh;
  margin-right: 13px;
}

/* fv sp */
@media screen and (max-width: 768px) {
  .fv {
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .fv__img {
    width: 53.2%;
  }

  .textboxv {
    display: none;
  }
}

/* event */
.event__section {
  padding: 25px 0 135px 0;
  background-color: #b00414;
}

.container {
  max-width: 900px;
  margin-inline: auto;
  width: 100%;
}

.event__item {
  display: flex;
  align-items: baseline;
}

.event__item:last-child {
  margin-top: 25.5px;
}

.event__item img {
  width: 63%;
  aspect-ratio: 571 / 75;
  min-width: 470px;
}

.event__value-imgSp {
  display: none;
}

.event__label {
  color: #fff;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 2;
  padding-right: 28px;
  border-right: #e1af73 solid 1px;
  min-width: 86px;
}

.event__value {
  color: #fff;
  font-family: "Zen Old Mincho", serif;
  font-size: 4.5rem;
  font-weight: 700;
  margin-left: 27px;
}

.event__textarea {
  margin: 80px 0 96px;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.94;
}

.event__section a {
  padding: 16px 76.6px 16px 51.4px;
  font-size: 2.35rem;
}

.event__section .cta-link::before {
  width: 38.1px;
  height: 38.1px;
}

/* event tb */
@media screen and (max-width: 1023px) {
  .container {
    max-width: 690px;
  }

  .event__value {
    font-size: 2.5rem;
  }
}

/* event sp */
@media screen and (max-width: 768px) {
  .event__section {
    padding: 25px 6.5% 96px 6.5%;
  }

  .event__item img {
    width: 90%;
    min-width: initial;
  }

  .event__textarea {
    font-size: 1.8rem;
  }
}

@media screen and (max-width: 426px) {
  .event__value p {
    font-size: 1.8rem;
  }
}

@media screen and (max-width: 375px) {
  .event__section {
    padding: 0 6.5% 56px 6.5%;
  }

  .event__section a {
    padding: 16px 64px 16px 24px;
    font-size: 1.8rem;
  }

  .event__item {
    align-items: center;
  }

  .event__item:last-child {
    margin-top: 12px;
  }

  .event__label {
    font-size: 1.6rem;
    line-height: 1.875;
    padding-right: 12px;
    min-width: inherit;
  }

  .event__value {
    font-size: 1.6rem;
    margin-left: 12px;
  }

  .event__value-imgPc {
    display: none;
  }

  .event__value-imgSp {
    display: block;
  }

  .event__item img {
    width: 220px;
    aspect-ratio: 220 / 75;
  }

  .event__textarea {
    margin: 50px 0;
    font-size: 1.8rem;
    font-weight: 500;
    line-height: 1.75;
  }
}

/*==========================
session
==========================*/
.session {
  padding: 69px 0;
}

.session__red {
  color: #fff;
  background-color: #dc0519;
  position: relative;
  overflow: hidden;
}

.session__red::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 1200 / 710;
  background-image: url("../images/session-red-bgpc.svg");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.1s ease;
}

.session__red.is-open::before {
  opacity: 1;
  transition-delay: 0.5s;
}

.session__white {
  color: #000;
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.session__white::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  aspect-ratio: 1200 / 710;
  background-image: url("../images/session-white-bgpc.svg");
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}

.session__redClosing {
  background-image: url(../images/closing-pc.jpg);
  background-size: cover;
  background-repeat: no-repeat;
}

.session__inner {
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
}

.session__box {
  display: flex;
  align-items: center;
  font-family: "Zen Old Mincho", serif;
  font-size: 2.5rem;
  font-weight: 700;
}

.session__sub {
  display: flex;
  align-items: center;
  height: 50px;
  color: #e1af73;
  border-right: 2px solid #fff;
  padding: 12.5px 41px 12.5px 0px;
}

.session__sub--red {
  color: #dc0519;
  border-right: 2px solid #000;
}

.session__number {
  font-size: 3.5rem;
  margin-left: 25.6px;
}

.session__time {
  margin-left: 26px;
}

.session__container {
  margin-top: 30px;
}

.session__title {
  font-size: 4.5rem;
  font-weight: 700;
}

.session__text {
  margin-top: 80px;
  font-size: 2rem;
  font-weight: 500;
  line-height: 2.3;
}

.session__people {
  margin-top: 73px;
}

.session__guest {
  display: flex;
}

.session__guest:not(:first-child) {
  margin-top: 62px;
}

.guest__img {
  width: 150px;
  height: 200px;
  aspect-ratio: 150 / 200;
  margin-top: 20px;
  z-index: 1;
}

.guest__details {
  margin-left: 60px;
  line-height: 1.9375;
}

.guest__name {
  display: flex;
  align-items: center;
  font-family: "Zen Old Mincho", serif;
}

.guest__name1 {
  font-size: 3rem;
  font-weight: 600;
}

.guest__name2 {
  color: #e1af73;
  font-size: 2rem;
  font-weight: 700;
  margin-left: 16px;
}

.guest__name2--red {
  color: #dc0519;
}

.guest__information {
  font-size: 1.7rem;
  font-weight: 500;
}

.guest__line {
  width: 100%;
  max-width: 690px;
  margin: 20px 0;
  height: 2px;
  background-color: #fff;
}

.guest__line--white {
  background-color: #000;
}

.guest__text {
  font-size: 1.6rem;
  font-weight: 500;
}

/* session tb */
@media screen and (max-width: 1023px) {
  .spBr {
    display: block;
  }

  .session {
    padding: 50px 6.5%;
  }

  .session__white::before {
    width: 100%;
    aspect-ratio: 375 / 235;
    background-image: url("../images/session-white-bgsp.svg");
  }

  .session__inner {
    max-width: 690px;
  }

  .session__box {
    font-size: 2.2rem;
  }

  .session__sub {
    height: 43px;
    padding: 12.5px 18px 12.5px 0px;
  }

  .session__number {
    font-size: 3rem;
    margin-left: 6px;
  }

  .session__time {
    margin-left: 18px;
  }

  .session__title {
    font-size: 2.9rem;
  }

  .session__text {
    line-height: 2.25;
  }

  .session__container {
    margin-top: 20px;
    max-width: 670px;
  }

  .session__text {
    margin-top: 28px;
    font-size: 1.6rem;
  }

  .session__people {
    margin-top: 50px;
  }

  .session__guest {
    flex-direction: column;
  }

  .session__guest:not(:first-child) {
    margin-top: 50px;
  }

  .guest__img {
    margin: 0 auto;
    width: 120px;
    height: 160px;
    aspect-ratio: 120 / 160;
  }

  .guest__details {
    margin: 6px 0 0 0;
    padding: 0;
    line-height: 1.5;
  }

  .guest__name {
    justify-content: center;
  }

  .guest__name1 {
    font-size: 2.8rem;
  }

  .guest__name2 {
    font-size: 2rem;
  }

  .guest__information {
    font-size: 1.5rem;
    text-align: center;
  }

  .guest__line {
    margin: 12px 0 6px 0;
    height: 1px;
  }

  .guest__text {
    padding: 6px 0;
    font-size: 1.5rem;
    line-height: 1.8;
  }
}

@media screen and (max-width: 600px) {
  .pcBr {
    display: none;
  }
}

/* session sp */
@media screen and (max-width: 376px) {
  .session__box:first-child {
    font-size: 1.8rem;
  }

  .session__title {
    font-size: 2.4rem;
  }

  .guest__name1 {
    font-size: 2.4rem;
  }

  .guest__name2 {
    font-size: 1.5rem;
  }
}

/* accordion */
.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  width: 100%;
  margin-top: 18px;
  gap: 0.5rem;
}

.accordion__button {
  width: 38px;
  min-width: 38px;
  height: 38px;
  background-color: #e1af73;
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.accordion__button--white {
  background-color: #dc0519;
}

/* アクセシビリティ用テキスト */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

/* 開閉用のプラスマーク */
.accordion__button::before,
.accordion__button::after {
  content: "";
  position: absolute;
  background-color: #fff;
  transition: transform 0.3s;
}

/* 縦線 */
.accordion__button::before {
  width: 2px;
  height: 17.6px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 横線 */
.accordion__button::after {
  width: 17.6px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 開いたときのボタン（マイナスに変化） */
.accordion__button[aria-expanded="true"]::before {
  transform: translate(-50%, -50%) rotate(90deg);
}

/* アコーディオンの本体（閉じている状態） */
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out;
}

/* 開いた時のスタイル */
.accordion__body.open {
  max-height: none;
}

/* accordion　SP */
@media screen and (max-width: 768px) {
  .accordion__button {
    width: 28px;
    min-width: 28px;
    height: 28px;
  }

  .accordion__button::before,
  .accordion__button::after {
    height: 12.9px;
    width: 2px;
  }

  .accordion__button::after {
    width: 12.9px;
    height: 2px;
  }
}

/* Topへ戻るボタン */
.toTop {
  display: block;
  position: fixed;
  right: 6.8%;
  top: 80vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.toTop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.toTop__button {
  color: #fff;
  font-size: 2rem;
  font-family: "Zen Old Mincho", serif;
  font-weight: 500;
  writing-mode: sideways-lr;
  transform: rotate(180deg);
  text-shadow: 0.5px 0.5px 1px rgba(0, 0, 0, 0.5);
}

.toTop__line {
  position: absolute;
  right: 17px;
  filter: drop-shadow(0px 0.5px 0.5px rgba(0, 0, 0, 0.5));
}

.toTop__line path {
  stroke: #fff;
}

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

/*==========================
footer
==========================*/
.footer {
  background-color: #b00414;
}

.footer__inner {
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
  padding: 100px 0 74.5px 0;
}

.footer__group {
  display: flex;
}

.footer__logoGroup {
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.footer__logo {
  margin: 0 5px;
  width: 330px;
  height: 291px;
}

.cta-link--footer {
  margin-right: 0;
  padding: 16px 76.6px 16px 51.4px;
  font-size: 2.3rem;
}

.cta-link--footer::before {
  width: 38.1px;
  height: 38.1px;
}

.cta-link--footer::after {
  right: 17px;
  width: 17.6px;
  height: 13.2px;
}

.footer__outlineGroup {
  margin-left: 75px;
  max-width: 510px;
}

.outline__group {
  display: flex;
  align-items: center;
  padding: 0 0 20px 0;
  border-bottom: 2px solid #fff;
}

.outline__title {
  min-width: 110px;
  color: #e1af73;
  font-family: "Zen Old Mincho", serif;
  font-size: 2.5rem;
  font-weight: 700;
}

.outline__titleSub {
  color: #fff;
  font-size: 1.7rem;
  font-weight: 500;
}

.outline__list {
  display: flex;
  padding: 20px 0;
  background-clip: padding-box;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.outline__item {
  min-width: 110px;
  color: #e1af73;
  font-family: "Zen Old Mincho", serif;
  font-weight: 700;
}

.outline__text {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
}

.outline__text--underline a {
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: #fff;
  text-underline-offset: 3.5px;
}

.outline__text--sub {
  margin-top: 16px;
  font-size: 1.2rem;
  font-weight: 400;
}

.footer__outline--info {
  margin-top: 40px;
  font-size: 1.7rem;
  font-weight: 500;
}

.footer__outline--info .outline__list {
  padding: 0;
}

.footer__outline--info .outline__list:not(:first-child) {
  padding-bottom: 43px;
}

.footer__outline--info .outline__list:not(:last-child) {
  margin-bottom: 25px;
  border-bottom: none;
}

.outline__item--info {
  min-width: 140px;
  color: #fff;
  font-weight: 600;
}

.outline__text--info {
  font-size: 1.7rem;
  font-weight: 500;
}

footer .outline__text--notice {
  text-decoration-line: underline;
  text-decoration-style: dashed;
  text-decoration-color: rgba(255, 255, 255, 0.5);
  text-underline-offset: 5px;
  position: relative;
}

.footer__outline--bottom {
  margin-top: 31px;
  color: #fff;
  font-family: "Zen Old Mincho", serif;
  font-weight: 600;
}

.footer__copyright {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 22.4px 0 24.6px 0;
  color: #fff;
  font-family: "Zen Old Mincho", serif;
  font-weight: 600;
  background-color: #000;
}

/* footer tb */
@media screen and (max-width: 1023px) {
  .footer__inner {
    max-width: 690px;
    padding: 60px 20px 18px 20px;
  }

  .footer__group {
    flex-direction: column;
  }

  .footer__logoGroup {
    gap: 30px;
    max-width: 330px;
    margin: 0 auto;
  }

  .footer__logo {
    height: auto;
  }

  .footer__logoGroup img {
    padding: 0 30px;
  }

  .footer__logoGroup a {
    padding: 16px 70px 16px 50.2px;
    font-size: 2.2rem;
  }

  .footer__outlineGroup {
    max-width: 690px;
    margin-top: 40px;
    margin-inline: auto;
  }

  .outline__group {
    padding: 0 0 10px 0;
  }
}

/* footer sp */
@media screen and (max-width: 768px) {
  .footer__inner {
    max-width: 690px;
    padding: 60px 6.5% 18px 6.5%;
  }
  .cta-link--footer::after {
    right: 14px;
  }

  .outline__list {
    flex-direction: column;
  }

  .outline__title {
    font-size: 2.4rem;
  }

  .outline__titleSub {
    font-size: 1.6rem;
  }

  .outline__list {
    padding: 12px 0 6px 0;
  }

  .footer__outline--info .outline__list:not(:first-child) {
    padding-bottom: 12px;
  }

  .outline__item {
    font-size: 1.6rem;
  }

  .outline__text {
    font-size: 1.6rem;
  }

  .outline__text--sp {
    font-size: 1.5rem;
  }

  .outline__text--sub {
    font-size: 1.2rem;
  }

  .footer__outline--info {
    margin: 18px 0;
    font-size: 1.5rem;
  }

  .footer__outline--info .outline__list:not(:last-child) {
    margin-bottom: 6px;
  }

  .outline__text--info {
    font-size: 1.5rem;
    padding-bottom: 12px;
  }

  .footer__outline--bottom {
    margin-top: 18px;
    font-size: 1.4rem;
    text-align: end;
  }

  .footer__copyright {
    padding: 23.5px 0;
  }
}

@media screen and (max-width: 375px) {
  .footer__logo {
    width: auto;
  }

  .footer__logoGroup a {
    padding: 16px 64px 16px 24px;
    font-size: 1.8rem;
  }
}