@charset "utf-8";

body {
  /* 既存の設定 */
  display: flex;
  flex-direction: column;
  position: relative;

  /* 追加された設定 */
  background-color: #06570d; /* お好みで */
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #06570d;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 1s ease;
}
.col-md-4 {
  min-height: 10em;
  position: relative;
  text-align: center;
  padding: 0;
  transform: translateZ(1px);
}

.loading__txt {
  font-size: 20px;
  color: #31a031;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  text-transform: uppercase;
}

.loading {
  background: #b5e2fa;
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: 50% 50%;
  transform: translate(-50%, -50%);
}

#loading7 {
  width: 0em;
  height: 0em;
  top: 60%;
  transform-origin: 50% 50%;
  border-radius: 2em;
  transform: translate(-50%, -50%) rotateX(60deg);
  transform-style: preserve-3d;
  border: 0em solid rgba(15, 163, 177, 0.5);
  animation: loading7ripple 2s infinite;
}

#loading7::before,
#loading7::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
}

#loading7::before {
  top: 50%;
  width: 0.1em;
  height: 0.1em;
  border: 0em solid rgba(15, 163, 177, 0.5);
  border-radius: 2em;
  background: #b5e2fa;
  animation: loading7ripple2 2s infinite;
}

#loading7::after {
  top: 0;
  width: 0.5em;
  height: 0.5em;
  opacity: 0;
  background: #b5e2fa;
  border-radius: 1em;
  transform: rotateX(-60deg) translate(-50%, 3em) rotateZ(45deg);
  animation: loading7drop 2s infinite;
}

@keyframes loading7drop {
  0% {
    opacity: 0;
    transform: rotateX(-60deg) translate(-50%, -4em) rotateZ(45deg);
    animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
  }
  15% {
    opacity: 1;
  }
  35% {
    transform: rotateX(-60deg) translate(-50%, -0.5em) rotateZ(45deg);
    opacity: 1;
  }
  36%,
  100% {
    transform: rotateX(-60deg) translate(-50%, -0.5em) rotateZ(45deg);
    opacity: 0;
  }
}

@keyframes loading7ripple {
  0%,
  35% {
    width: 0;
    height: 0;
    border-width: 0;
  }
  65% {
    background: rgba(15, 163, 177, 0.5);
    border-width: 0.3em;
  }
  85%,
  100% {
    background: rgba(5, 83, 90, 0);
    width: 3.5em;
    height: 3.5em;
    border-width: 0;
  }
}

@keyframes loading7ripple2 {
  0%,
  45% {
    width: 0;
    height: 0;
    border-width: 0;
  }
  70% {
    background: #b5e2fa;
    border-width: 0.5em;
  }
  90%,
  100% {
    background: rgba(5, 83, 90, 0);
    width: 2em;
    height: 2em;
    border-width: 0;
  }
}

/* ==================================================
main-visual
====================================================*/
.green__bg {
  width: 100%;
  background: url(../img/top/bg_river_new1.png),
    url(../img/top/bg_green1-new.png);
  background-size: 190% 67%, cover;
  background-position: 137% 975px, center;
  background-repeat: no-repeat, repeat;
  overflow: hidden;
}
.top-river {
  width: 70%;
  position: absolute;
  top: 900px;
  left: -200px;
}
.main-visual {
  width: 100%;
  height: 98%;
  position: relative;
  left: 0;
  margin-bottom: 200px;
}
.main-visual__img {
  width: 98%;
  display: block;
  object-fit: cover;
  object-position: center;
  margin: 0 auto;
}
.main-title {
  width: 29%;
  position: absolute;
  top: 38%;
  left: 52%;
  transform: translateX(-50%);
  opacity: 0;
}
.main-title.visible {
  opacity: 1;
  transition: opacity 2s ease-in-out;
}

@media (max-width: 1024px) {
  .green__bg {
    background-size: 190% 70%, cover;
    background-position: 137% 743px, center;
  }

  .main-visual {
    margin-bottom: 150px;
  }
}
@media (max-width: 768px) {
  .green__bg {
    width: 100%;
    background: url(../img/top/sp_river_1_0.png),
      url(../img/top/bg_green1-new.png);
    background-size: 200% 102%, cover;
    background-position: 80% 568px, center;
    background-repeat: no-repeat, repeat;
  }
  .main-visual {
    left: -64px;
    margin-bottom: 60px;
  }

  .main-visual__img {
    width: 135%;
    overflow: hidden;
  }
  .main-title {
    width: 44%;
    left: 56%;
    transform: translateX(-15%);
  }
}
@media (max-width: 400px) {
  .main-visual {
    margin-bottom: 80px;
  }
  .green__bg {
    width: 100%;
    background: url(../img/top/sp_river_1_0.png),
      url(../img/top/bg_green1-new.png);
    background-size: 200% 70%, cover;
    background-position: 56% 480px, center;
    background-repeat: no-repeat, repeat;
    overflow: hidden;
  }
}

/* ==================================================
sponsor-logo
====================================================*/
.partner {
  font-size: 18px;
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: 30px;
}
.sponsor {
  max-width: 1400px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 50px;
  padding: 0 20px;
  margin: 0 auto 200px auto;
}
.sponsor-logo {
  max-width: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sponsor-logo__img {
  width: 100%;
}

@media (max-width: 1024px) {
  .sponsor {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .partner {
    font-size: 14px;
  }
  .sponsor {
    gap: 10px;
    margin-bottom: 255px;
  }
  .sponsor-logo {
    width: 250px;
  }
}

/* ==================================================
overview
====================================================*/
.top-overview {
  max-width: 100%;
  text-align: center;
  position: relative;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  margin: 0 auto;
}
/* overviewの背景の装飾 */
.top-overview__bg-left1 {
  width: 250px;
  position: absolute;
  left: -75px;
  top: -166px;
}
/* 草むらから顔を出す鹿 */
.top-overview__bg-left1-1 {
  width: 150px;
  position: absolute;
  left: -9px;
  top: 154px;
  transition: all 1s ease;
}
.top-overview__bg-left2 {
  width: 250px;
  position: absolute;
  left: -92px;
  bottom: -95px;
}
.top-overview__bg-right-bench {
  max-width: 268px;
  position: absolute;
  top: -79px;
  right: -17px;
}
.top-overview__bg-right-tree {
  width: 300px;
  position: absolute;
  top: 90px;
  right: -50px;
}
.top-overview__right-grass {
  width: 250px;
  position: absolute;
  right: -40px;
  bottom: -282px;
}
.top-overview__right-grass1 {
  width: 150px;
  position: absolute;
  right: 10px;
  bottom: -194px;
  transition: all 1s ease;
}
/* overview　中身 */
.top-overview__wrapper {
  max-width: 900px;
  width: 100%;
  height: 800px;
  background: url(../img/top/overview_bg.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-position: top;
  padding: 0 30px;
}
.top-overview__title {
  position: relative;
}
.top-overview__title--img {
  position: absolute;
  left: -17px;
  bottom: -20px;
}
.top-overview__subtitle {
  position: relative;
  top: 87px;
  margin-bottom: 35px;
}
.top-overview__subtitle--img1,
.top-overview__subtitle--img2 {
  width: 70%;
  margin-bottom: 20px;
}
.top-overview__text--theme {
  font-size: 20px;
  display: block;
}
.top-overview__text {
  font-size: 18px;
  letter-spacing: 0.15em;
  position: relative;
  top: 104px;
  line-height: 1.6em;
  margin-bottom: 20px;
}
.instagram {
  text-align: center;
  position: relative;
  padding: 20px 0;
  margin: 40px 0 500px;
}
.instagram-mark {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 20px;
}
.instagram-logo {
  width: 70px;
}
.instagram-txt {
  font-size: 20px;
}

@media (max-width: 1024px) {
  .top-overview__wrapper {
    max-width: 700px;
    width: 100%;
    height: 800px;
    background: url(../img/top/overview_bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: top;
    padding: 0 30px;
  }
  .top-overview__bg-left1 {
    left: -24px;
    top: -161px;
  }
  .top-overview__bg-right-bench {
    top: -190px;
    right: -17px;
  }

  .top-overview__right-grass {
    width: 200px;
    position: absolute;
    right: -40px;
    bottom: -294px;
  }
  .top-overview__right-grass1 {
    width: 150px;
    right: 0;
    bottom: -241px;
  }
}

@media (max-width: 768px) {
  /* overviewの背景の装飾 */
  .top-overview__bg-left1 {
    display: none;
  }
  /* 草むらから顔を出す鹿 */
  .top-overview__bg-left1-1 {
    display: none;
  }
  .top-overview__bg-left2 {
    width: 200px;
    top: -176px;
  }
  .top-overview__bg-right-bench {
    width: 190px;
    top: -73px;
    right: -70px;
  }
  .top-overview__bg-right-tree {
    width: 160px;
  }
  .top-overview__right-grass {
    width: 150px;
    position: absolute;
    right: -40px;
    bottom: -350px;
  }
  /* 草むらから顔を出す鹿 */
  .top-overview__right-grass1 {
    width: 100px;
    position: absolute;
    right: -16px;
    bottom: -320px;
    transition: all 1s ease;
  }
  /* overview　中身 */
  .top-overview__wrapper {
    height: 690px;
  }
  .top-overview__title {
    width: 65%;
  }
  .top-overview__title--img {
    width: 100%;
  }
  .top-overview__subtitle {
    width: 85%;
    margin: 0 auto 10px;
  }
  .top-overview__subtitle--img1,
  .top-overview__subtitle--img2 {
    width: 100%;
    margin-bottom: 14px;
  }
  .top-overview__text--theme {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .top-overview__text {
    font-size: 16px;
  }
}
@media (max-width: 460px) {
  .top-overview__text {
    font-size: 13px;
  }
}
@media (max-width: 400px) {
  .top-overview__bg-right-bench {
    display: none;
  }
  .top-overview__wrapper {
    height: 650px;
  }
  .top-overview__title--img {
    position: absolute;
    left: -17px;
    bottom: -10px;
  }
  .top-overview__subtitle--img3 {
    width: 70%;
  }
}

/* ==================================================
event-details
====================================================*/

.deep-green__bg {
  width: 100%;
  background: url(../img/top/pc_river_2_0.png), url(../img/top/bg_green2.png);
  background-size: 200% 2500px, cover;
  background-position: 74% 500px, top;
  background-repeat: no-repeat, repeat;
  padding-bottom: 500px;
  margin-top: -300px;
}
.event-details__title {
  max-width: 570px;
  width: 100%;
  display: block;
  margin-left: auto;
}
.event-details__title-img {
  width: 100%;
  padding-right: 40px;
  margin-bottom: 30px;
}
.event-details__wrapper {
  width: 100%;
  overflow: hidden;
}
.event-details__top-row {
  display: flex;
  width: calc(
    2 * (400px * 6 + 10px * 12)
  ); /* 2倍の幅にしてループをシームレスにする */
  animation: scroll-left 50s linear infinite;
}
.event-details__bottom-row {
  display: flex;
  width: calc(
    2 * (400px * 6 + 10px * 12)
  ); /* 2倍の幅にしてループをシームレスにする */
  animation: scroll-right 50s linear infinite;
}

.event-details__slide-left,
.event-details__slide-right {
  width: 400px;
  margin: 0 10px;
}
.event-details__img {
  width: 100%;
}
.event-details__top-row {
  animation: scroll-left 50s infinite linear 0.5s;
  margin-bottom: 40px;
}
.event-details__bottom-row {
  animation: scroll-right 50s infinite linear 0.5s both;
}
@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(
      calc(-1 * (400px * 6 + 10px * 12))
    ); /* 6つのアイテム幅+間隔を引く */
  }
}
@keyframes scroll-right {
  0% {
    transform: translateX(calc(-1 * (400px * 6 + 10px * 12)));
  }
  100% {
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .deep-green__bg {
    background: url(../img/top/sp_river_2_0.png),
      url(../img/top/sp_bg_darkgreen.png);
    background-size: 200% 78%, cover;
    background-position: 81% 500px, top;
    background-repeat: no-repeat, repeat;
  }
  .event-details__title {
    width: 80%;
    text-align: center;
    padding: 0 20px;
    margin: 0 auto;
  }
  .event-details__title-img {
    width: 100%;
    padding-right: 0;
  }
  .event-details__slide-left,
  .event-details__slide-right {
    width: 200px;
    margin: 0 10px;
  }
  .event-details__top-row {
    display: flex;
    width: calc(
      2 * (200px * 6 + 10px * 12)
    ); /* 2倍の幅にしてループをシームレスにする */
    animation: scroll-left 50s linear infinite;
  }
  .event-details__bottom-row {
    display: flex;
    width: calc(
      2 * (200px * 6 + 10px * 12)
    ); /* 2倍の幅にしてループをシームレスにする */
    animation: scroll-right 50s linear infinite;
  }
  @keyframes scroll-left {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(
        calc(-1 * (200px * 6 + 10px * 12))
      ); /* 6つのアイテム幅+間隔を引く */
    }
  }
  @keyframes scroll-right {
    0% {
      transform: translateX(calc(-1 * (200px * 6 + 10px * 12)));
    }
    100% {
      transform: translateX(0);
    }
  }
}

/* ==================================================
event
====================================================*/
.event {
  width: 100%;
  position: relative;
  overflow: hidden;
}
/* ふわふわする白い蝶々 */
.event__top-Butterfly {
  width: 150px;
  position: absolute;
  top: 180px;
  right: 0;
  transition: transform 2s ease; /* 移動アニメーションをゆっくりにする */
}
.float {
  top: 80px;
  right: 100px;
  animation: float 2s infinite ease-in-out;
}
@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

.event__bg-right {
  width: 300px;
  position: absolute;
  top: 233px;
  right: -95px;
}
.event__bg-left {
  width: 350px;
  position: absolute;
  top: 610px;
  left: -100px;
}
.event__bg-right2 {
  width: 285px;
  position: absolute;
  bottom: 353px;
  right: 100px;
}

/* ふわふわする黄色い蝶々 */
.event__bottom-butterfly {
  width: 150px;
  position: absolute;
  bottom: -150px;
  left: 50px;
  transition: transform 2s ease; /* 移動アニメーションをゆっくりにする */
}
.moved {
  transform: translate(100px, -100px);
}
@keyframes yellow-float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}
.butterfly {
  bottom: -50px;
  left: 150px;
  animation: yellow-float 2s infinite ease-in-out;
}

/* event内容 */
.event__wrapper {
  max-width: 1000px;
  padding: 0 20px;
  margin: 160px auto 80px;
}

.event-title {
  margin-bottom: 30px;
}
.event-title img {
  width: 30%;
}
.experience-left {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 100px;
}
.experience-right {
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  margin-bottom: 70px;
}
.experience__inner-img {
  width: 45%;
  object-fit: contain;
  object-position: center;
}
.sp-experience__inner-img {
  display: none;
}
.experience__container {
  width: 60%;
  padding: 0 40px;
}
.experience__container--title {
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 0.15em;
  margin: 20px auto 20px 0;
}
.experience__container--text {
  color: #fff;
  font-size: 20px;
  letter-spacing: 0.15em;
  line-height: 1.6;
}
.experience__btn {
  max-width: 220px;
  width: 80%;
  height: 90px;
  font-size: 26px;
  letter-spacing: 0.1em;
  font-weight: bold;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
  background: url(../img/top-event/botan-kuwasiku.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .event__bg-left {
    display: none;
  }
  .event__bg-right {
    width: 200px;
    position: absolute;
    top: 130px;
    right: -100px;
  }
  /* ふわふわする白い蝶々 */
  .event__top-Butterfly {
    width: 80px;
    position: absolute;
    top: 180px;
    right: -80px;
    transition: transform 3s ease; /* 移動アニメーションをゆっくりにする */
  }
  .float {
    top: 80px;
    right: 20px;
    animation: float 2s infinite ease-in-out;
  }
  /* ふわふわする黄色い蝶々 */
  .event__bottom-butterfly {
    width: 70px;
    position: absolute;
    bottom: -150px;
    left: -65px;
    transition: transform 2s ease; /* 移動アニメーションをゆっくりにする */
  }
  .moved {
    transform: translate(100px, -100px);
  }
  .butterfly {
    bottom: -50px;
    left: 35px;
    animation: yellow-float 2s infinite ease-in-out;
  }

  .event__wrapper {
    position: relative;
    background: url(../img/top-event/event-sp_bg.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: top;
    padding-bottom: 50px;
    margin: 160px 20px 80px;
    z-index: 1;
  }
  .event-title {
    width: 46%;
    padding-top: 30px;
    margin: 0 auto 30px;
  }
  .event-title img {
    width: 100%;
  }
  .experience-left {
    flex-direction: column;
  }
  .experience-right {
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    margin-bottom: 70px;
  }
  .experience__inner-img {
    display: none;
  }
  .sp-experience__inner-img {
    width: 100%;
    display: block;
  }
  .experience__container {
    width: 100%;
    padding: 0;
    margin: 0 auto;
  }
  .experience__container--title {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 0.2em;
    text-align: center;
  }
  .experience__container--heading {
    width: 50%;
    max-width: 200px;
    text-align: center;
    margin: 0 auto;
  }
  .heading__underbar {
    width: 100%;
    border-bottom: solid 2px #fff;
    padding-bottom: 10px;
  }
  .experience__container--text {
    color: #fff;
    font-size: 16px;
    letter-spacing: 0.15em;
    line-height: 1.6;
    margin-top: 20px;
  }
  .experience__btn {
    max-width: 180px;
    font-size: 18px;
  }
}
@media (max-width: 430px) {
  .event__bg-left {
    top: 1020px;
  }
}

/* ==================================================
menu
====================================================*/
.brown__bg {
  width: 100%;
  height: 100%;
  background: url(../img/top/pc_river_3_0.png),
    url(../img/top/menu-bg_brown.png);
  background-repeat: no-repeat, no-repeat;
  background-size: 97% 800px, cover;
  background-position: 372px 62px, top;
  margin-top: -565px;
  overflow: hidden;
}

.menu__wrapper {
  width: 100%;
  position: relative;
  padding: 200px 20px 300px;
  margin: 0 auto;
}
.menu__bg-right {
  width: 145px;
  position: absolute;
  top: 199px;
  right: 42px;
}
.menu__bg-left2 {
  width: 270px;
  position: absolute;
  top: 0;
  left: -90px;
}

.menu__bg-left {
  width: 145px;
  position: absolute;
  left: 80px;
  bottom: 170px;
}
.menu-title {
  width: 210px;
  height: 55px;
  display: block;
  margin: 0 auto 46px;
}
.menu-title__img {
  width: 100%;
}
.menu-list {
  max-width: 680px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  text-align: center;
  margin: 0 auto;
}
.menu__list-item {
  max-width: 300px;
  width: 40%;
  height: 130px;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 0.2em;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
}
.menu-event {
  background: url(../img/top/menu-botan-bg1.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.menu-sponsor {
  background: url(../img/top/menu-botan-bg2.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.menu-contact {
  width: 50%;
  height: 150px;
  font-size: 26px;
  line-height: 1.6;
  background: url(../img/top/menu-botan-bg3.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

@media (max-width: 768px) {
  .brown__bg {
    background: url(../img/top/sp_river_3_0.png),
      url(../img/top/menu-bg_brown.png);
    background-repeat: no-repeat, no-repeat;
    background-size: 91% 972px, cover;
    background-position: 211px 62px, top;
  }

  .menu__bg-right {
    display: none;
  }
  .menu__bg-left {
    width: 100px;
    left: 24px;
    bottom: 170px;
  }

  .menu__bg-left2 {
    width: 150px;
    position: absolute;
    top: 80px;
    left: -50px;
  }
  .menu-title__img {
    width: 100%;
  }
  .menu-list {
    column-gap: 40px;
    row-gap: 20px;
  }
  .menu__list-item {
    font-size: 16px;
    letter-spacing: 0.05em;
  }
  .menu-contact {
    height: 120px;
    font-size: 20px;
  }
}
@media (max-width: 570px) {
  .menu-title {
    width: 36%;
    height: auto;
    display: flex;
    justify-content: center;
    margin: 0 auto 50px;
  }
  .menu-list {
    row-gap: 0;
  }
  .menu__list-item {
    height: 80px;
    font-size: 12px;
    margin-bottom: 20px;
  }
  .menu-contact {
    font-size: 16px;
  }
}