/* ーーー　PCファーストで制作しています。　ーーー */
/* --- CSS Variables & Reset --- */
:root {
  /* Define font families for easy use */
  --font-gothic: 'Noto Sans JP', sans-serif;
  --font-mincho: 'Zen Old Mincho', serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* --- Basic Body & Typography --- */
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body {
  /* Set the default font to the Gothic style */
  font-family: var(--font-gothic);

  /* Set the line spacing as requested */
  line-height: 1.5;

  /* Flexbox layout to push footer to the bottom */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
    width: 100%;
}

.zen-kaku-gothic-new-light {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 300;
  font-style: normal;
}

.zen-kaku-gothic-new-regular {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.zen-kaku-gothic-new-medium {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
  font-style: normal;
}

.zen-kaku-gothic-new-bold {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-style: normal;
}

.zen-kaku-gothic-new-black {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 900;
  font-style: normal;
}

.newsreader {
  font-family: "Newsreader", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

.opacity {
    transition: 0.2s;
}

.opacity:hover {
    transition: 0.2s;
    opacity: 0.8;
}

/* 追従メニュー */
.main {
    position: relative;
    z-index: 0;
}

.main__wrapper {
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-weight: 400;
    font-style: normal;
    max-width: 375px;
    margin: 0 auto;
    background: #FFFFFF;
}

.main__fixed-pc {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background-image: linear-gradient(#f7fcfd, #b6edf3);
}

.main__fixed-pc::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url(../img/webp/main_bg_pc.webp) center center / cover no-repeat;
  opacity: 0.25;
  z-index: -1;
}

.main__nav {
    background: rgba(255, 255, 255, 0.7);
    position: fixed;
    top: 50%;
    left: 60px;
    transform: translate(0%, -50%);
    width: 326px;
    padding: 84px 0 40px;
    border-radius: 200px 200px 0 0;
    box-shadow: 0px 2px 6px 0px rgba(130, 158, 168, 0.4);
}

.main__nav-list-wrap {
    padding-bottom: 16px;
}

.main__nav-list {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 8px;
}

.main__nav-item {
    font-family: "Newsreader", serif;
    font-style: normal;
    list-style: none;
    font-size: 22px;
}

.main__nav-link {
    text-decoration: none;
    color: #74C9D3;
}

.main__actions {

}

.main__reserve-button {
    text-align: center;
    padding-bottom: 16px;
}

.main__reserve-link {
    display: inline-block;
    background: #74C9D3;
    color: #FFFFFF;
    font-weight: 700;
    text-decoration: none;
    padding: 12px 84px;
    border-radius: 100px;
}

.main__inquiry-button {
    text-align: center;
    font-size: 12px;
}

.main__inquiry-link {
    color: #74C9D3;
    text-decoration-color: #74C9D3;
}

.main__sns {
    position: fixed;
    right: 24px;
    bottom: 24px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.main__line{
  text-align: center;
}

.main__line img{
  width: 240px;
}

.header {
  display: none;
}

.nav-menu {
  display: none;
}

.main__fixed-sp {
  display: none;
}



/* --------------------------------  hero --------------------------------  */
.hero-section__wrapper {
  position: relative;
  margin-bottom: -60px;
}

.hero-section__wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  height: 321px;
  background: linear-gradient(
    to bottom,
    rgba(118, 202, 211, 0.8) 0%,
    rgba(118, 202, 211, 0.8) 69%,
    rgba(118, 201, 210, 0) 100%
  );
  z-index: 0;
}

.hero-section__title {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
}

.hero-section__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


/* -------------------------------- concept -------------------------------- */
.concept-wrapper {
  position: relative;
}

.concept-inner {
  transition: background-color 1s ease;
  background: #FAF2CB;
  padding: 24px 0 0;
}

.concept-inner.active {
  background: #596E8D;
}

.concept-section__header {
    padding-bottom: 30px;
    text-align: center;
}

.concept-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #74C9D3;
    transition: color 1s ease;
}

.concept-wrapper.active .concept-section__title {
    color: #FFFFFF;
}

.concept-section__link--inquiry {
    font-size: 12px;
    color: #494949;
    text-decoration-color: #494949;
    transition: color 1s ease, text-decoration-color 1s ease;
}

.concept-wrapper.active .concept-section__link--inquiry {
    color: #FFFFFF;
    text-decoration-color: #FFFFFF;
}

.concept-section__day-image {
  position: relative;
  width: 96%;
  margin: 0 0 0 auto;
  padding-bottom: 48px;
}

.concept-section__night-image {
  position: relative;
  width: 96%;
  margin: 0;
  padding-bottom: 48px;
}


.concept-section__image--absolute {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  opacity: 0;
}

.concept-section__link-item {
    text-align: center;
}

.concept-section__link-item--line {
    padding-bottom: 18px;
}
.concept-section__link--line {
    background-image: linear-gradient(90deg, #fff3b3, #9debf4);
    color: #738CB3;
    font-weight: 700;
    text-decoration: none;
    padding: 12px 84px;
    display: inline-block;
    border-radius: 100px;
}

.concept-section__link--inquiry {
    font-size: 12px;
    color: #494949;
    text-decoration-color: #494949;
}

.concept-section__vector-wrap-before {
  position: absolute;
  top: -206px;
  left: 0;
}

.concept-section__vector-wrap {
  position: relative;
}


.concept-section__vector--absolute {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.concept-wrapper.active .concept-section__vector--absolute {
  opacity: 1;
  transition: opacity 0.4s ease;
}

.concept-section__image--opacity {
  transition: opacity 0.4s ease;
}

/* yellow レイヤーを消す */
.concept-wrapper.active .concept-section__image--opacity {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.concept-section__image--absolute {
  transition: opacity 0.4s ease;
}

/* navy レイヤーを出す */
.concept-wrapper.active .concept-section__image--absolute {
  opacity: 1;
  transition: opacity 0.4s ease;
}


/* --------------------------------  feature --------------------------------  */
.feature-wrapper {
    padding: 36px 0 80px;
}

.feature-section__header {
    padding-bottom: 24px;
    text-align: center;
}

.feature-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #74C9D3;
}

.slider {
  position: relative;
  width: 100%;
  max-width: 375px;
  margin: auto;
}

.slider__wrapper {
  display: flex;
}

.slider__slide {
  width: 255px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background-color: #ddd;
}

.slider__slide img {
  width: 100%;
  display: block;
}

.slider__button {
  width: 24px;
  height: 24px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}

.slider__button--prev {
  background-image: url(../img/webp/feature_slide-arrow.webp);
}

.slider__button--next {
  background-image: url(../img/webp/feature_slide-arrow.webp);
  transform: rotate(180deg); 
}

.swiper-pagination {
z-index: 0 !important;
}

.swiper-pagination-bullet {
  width: 11px;
  height: 11px;
  margin: 0 8px !important;
}

.swiper-pagination-bullet-active {
  background: #494949;
}

.swiper-button-prev::after,
.swiper-button-next::after {
  display: none;
}

.slider__pagination {
  bottom: -40px !important;
}

.swiper-button-prev, .swiper-rtl .swiper-button-next {
  top: 52%;
  left: 45px;
}
.swiper-button-next, .swiper-rtl .swiper-button-prev {
  top: 52%;
  right: 45px;
}

/* --------------------------------  price --------------------------------  */
.price-wrapper {
  background-image: linear-gradient(135deg, #4e6487, #8c9ab0 42% 53%, #4e6487);
  padding: 60px 0;
}

.price-inner {
  width: 91%;
  margin: 0 auto;
  background: #F4F8FF;
  border-radius: 160px 160px 0 0;
}

.price-section__header {
    padding: 50px 0 36px;
    text-align: center;
}

.price-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #516789;
}

.price-section__accordion {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 88%;
  margin: 0 auto;
  padding-bottom: 24px;
}

.price-section__item {
  border: solid 1px #52688A;
}

.price-section__question {
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-size: 16px;
    font-weight: 700;
    font-style: normal;
    font-weight: 700;
    width: 100%;
    background: none;
    border: none;
    padding: 6px 8px 6px 6px;
    font-size: 16px;
    text-align: left;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #52688A;
}

.price-section__arrow {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid #52688A;
    transition: transform 0.25s ease;
}

.price-section__item.active .price-section__arrow {
    transform: rotate(180deg);
}

.price-section__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    color: #52688A;
    padding: 0 8px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.price-section__item.active .price-section__answer {
    padding: 6px 8px;
    margin-bottom: 14px;
    max-height: 650px;
}

.price-section__text {
  width: 88%;
  margin: 0 auto;
  font-size: 12px;
  padding-bottom: 50px;
  color: #52688A;
}


/* --------------------------------  event --------------------------------  */
.event-wrapper {
  position: relative;
  padding: 60px 0;
  z-index: 0;
  overflow: hidden;
  background: #CBF6FB;
}

.event-wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url(../img/webp/event_bg.webp) 15% center / cover no-repeat;
  opacity: 0.8;
  z-index: -1;
}

.event-section__header {
    padding-bottom: 36px;
    text-align: center;
}

.event-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #FFFFFF;
}

.event-section__items {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.event-section__item {
  width: 80%;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.7);
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0px 2px 6px 0px rgba(130, 158, 168, 0.4);
}

.event-item__header {
  text-align: center;
  padding-bottom: 16px;
}

.event-item__title {
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    color: #494949;
}

.event-item__image-wrapper {
  padding-bottom: 16px;
}

.event-item__image {
  border-radius: 8px;
}

.event-item__text {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  color: #494949;
  padding-bottom: 16px;
}

.event-item__link-wrapper {
  text-align: center;
}

.event-item__link {
  display: inline-block;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-style: normal;
  font-weight: 700;
  font-size: 14px;
  background: #FFFFFF;
  color: #738CB3;
  padding: 12px 0;
  width: 100%;
  border: solid 2px #738CB3;
  border-radius: 100px;
  text-decoration: none;
}



/* --------------------------------  gallery --------------------------------  */
.gallery-wrapper {
  background: url(../img/webp/gallery_bg.webp) center center / cover no-repeat;
  padding: 122px 0;
}

.gallery-section__header {
    padding: 0 0 24px;
    text-align: center;
}

.gallery-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #74C9D3;
}

.gallery-section__marquee {
    overflow: hidden;
    width: 91%;
    margin: 0 auto;
    padding-bottom: 16px;
    position: relative;
    border-radius: 0% 0% 10% 10% / 0% 0% 30% 30%;

  }

.gallery-section__marquee-inner {
    display: flex;
    width: 246%; /* 画像2枚分 */
    animation: marquee-scroll 20s linear infinite;
}

.gallery-section__marquee-image {
    width: 100%;
    flex-shrink: 0;
    margin-left: -4.5%;
}

/* 無限スクロールのアニメーション */
@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-95.45%);
    }
}


/* --------------------------------  faq --------------------------------  */
.faq-wrapper {
  background-image: linear-gradient(135deg, #4e6487, #8c9ab0 42% 53%, #4e6487);
  padding: 60px 0;
}

.faq-inner {
  width: 91%;
  margin: 0 auto;
  background: #F4F8FF;
  border-radius: 160px 160px 0 0;
}

.faq-section__header {
    padding: 50px 0 36px;
    text-align: center;
}

.faq-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #516789;
}

.faq-section__accordion {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 88%;
  margin: 0 auto;
  padding-bottom: 60px;
}

.faq-section__item {
  border: solid 1px #52688A;
}

.faq-section__question {
    font-family: "Zen Kaku Gothic New", sans-serif;
    font-size: 16px;
    font-weight: 700;
    font-style: normal;
    width: 100%;
    background: none;
    border: none;
    padding: 6px 8px 6px 6px;
    text-align: left;
    cursor: pointer;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #52688A;
}

.faq-section__arrow {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid #52688A;
    transition: transform 0.25s ease;
}


.faq-section__item.active .faq-section__arrow {
    transform: rotate(180deg);
}

.faq-section__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    color: #52688A;
    padding: 0 8px;
}

.faq-section__answer a{
  color: #74C9D3;
}

.faq-section__item.active .faq-section__answer {
    padding: 6px 8px;
    max-height: 400px;
}



/* --------------------------------  access --------------------------------  */
.access-wrapper {
  width: 80%;
  margin: 0 auto;
  padding: 48px 0;
}

.access-section__header {
    padding-bottom: 24px;
    text-align: center;
}

.access-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #74C9D3;
}

.access-section__text {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  color: #494949;
}

.access-section__address {
  padding-bottom: 16px;
}

.access-section__map {
  padding-bottom: 24px;
}

.access-section__iframe {
    aspect-ratio: 16 / 9;
    max-width: 375px;
    width: 100%;
    height: auto;
}

.access-section__route {
  padding-bottom: 24px;
}

.access-section__links {
  background: #738CB3;
  padding: 24px 0;
}

.access-section__link-item {
  text-align: center;
}

.access-section__links {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.access-section__link--line {
  display: inline-block;
  background-image: linear-gradient(90deg, #fff3b3, #9debf4);
  color: #738CB3;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 84px;
  border-radius: 100px;
}

.access-section__link--inquiry {
  font-size: 12px;
  color: #FFFFFF;
  text-decoration-color: #FFFFFF;
}

.access-section__text .access-tel{
  color: #494949;
  text-decoration: none;
}


/* --------------------------------  follow us --------------------------------  */
.follow-section {
  padding-top: 48px;
}

.follow-wrapper {
  background: #74C9D3;
  border-radius: 80px 80px 0 0;
  padding: 48px 0;
}

.follow-section__header {
    padding-bottom: 24px;
    text-align: center;
}

.follow-section__title {
    font-family: "Newsreader", serif;
    font-style: normal;
    font-weight: 500;
    font-size: 32px;
    color: #FFFFFF;
}

.follow-section__subtitle {
  width: 39%;
  margin: 0 auto;
  padding-bottom: 24px;
}

.follow-section__sns {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding-bottom: 24px;
}

.follow-section__footer-links {
  display: flex;
  justify-content: center;
}

.follow-section__footer-link {
  color: #FFFFFF;
  font-weight: 300;
  text-decoration: none;
}

.follow-section__divider {
  color: #FFFFFF;
  font-weight: 300;
}

.follow-section__footer-links {
  padding: 24px 0;
}

.follow-section__copyright {
  color: #FFFFFF;
  font-size: 10px;
  text-align: center;
}

.attention{
  font-size: 12px;
}

@media screen and (min-width:640px) and (max-width:1439px) {
.main__wrapper {
    margin: 0 0 0 auto;
}

.main__nav {
    left: 35px;
}

}

@media (max-width:639px) {
.main__wrapper {
    max-width: 100%;
}

.main__inner {
    display: none;
}

/* --------------------------------  hamburger --------------------------------  */

.main__fixed-sp {
  display: block;
}

.sp-header {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #fff;
  border-radius: 200px;
  z-index: 1000;
  width: 44px;
  height: 44px;
}

.sp-header__hamburger {
  background: none;
  border: none;
  padding: 0;
  display: inline-block;
}

.hamburger {
  width: 16px;
  height: 10px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.hamburger__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #74C9D3;
  transition: 0.4s;
}

.hamburger__line:nth-child(1) {
  top: 0;
}

.hamburger__line:nth-child(2) {
  bottom: 0;
}

.hamburger--active .hamburger__line:nth-child(1) {
  top: 3px;
  transform: rotate(45deg);
}

.hamburger--active .hamburger__line:nth-child(2) {
  bottom: 5px;
  transform: rotate(-45deg);
}

.nav-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #74C9D3;
  transform: translateX(0);

  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transition:
    transform 0.55s ease,
    opacity 0.55s ease;
  z-index: -1;

  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 18px;
  padding: 60px 0 80px;
}

.nav-menu--active {
  transform: translateX(0);
  opacity: 1;
  z-index: 10;
}

.nav-menu__logo {
  max-width: 200px;
}

.nav-menu__list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: center;
  list-style: none;
}

.nav-menu__item {
  letter-spacing: 1px;
}


.nav-menu__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 22px;
  color: #FFFFFF;
  text-decoration: none;
  font-family: "Newsreader", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}

.main__reserve-button {
  text-align: center;
  padding-bottom: 28px;
}

.main__reserve-link {
    background-image: linear-gradient(90deg, #fff3b3, #9debf4);
    color: #738CB3;
    font-weight: 700;
    text-decoration: none;
    padding: 12px 84px;
    display: inline-block;
    border-radius: 100px;
}

.main__inquiry-link {
    color: #FFFFFF;
    text-decoration-color: #FFFFFF;
}

.nav-menu__campaign {
  background: #FFFFFF;
  color: #74C9D3;
  font-weight: 700;
  font-size: 16px;
  padding: 16px;
  max-width: 320px;
  margin-top: 10px;
}

.main__sns {
  position: initial;
  display: flex;
  gap: 20px;
  margin-top: 10px;
  margin-bottom: 20px;
}
}