@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Yu Gothic", "Hiragino Sans", "Meiryo", sans-serif;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: #645A4D;
}

@font-face {
  font-family: "Shippori Mincho";
  src: url("fonts/ShipporiMinchoB1-Regular.ttf") format("truetype");
  font-style: normal;
  font-display: swap;
}
.shippori {
  font-family: "Shippori Mincho", serif;
}

@font-face {
  font-family: "Caudex";
  src: url("fonts/Caudex-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 300px;
  font-display: swap;
}
.caudex {
  font-family: "Caudex", serif;
}

section {
  padding: 8rem 0;
}
@media (max-width: 525px) {
  section {
    padding: 5rem 0;
  }
}

.container {
  max-width: 1040px;
  width: 90%;
  margin: auto;
}

.fade-in-delayed {
  opacity: 0;
  transition: opacity 2s ease, transform 1s ease;
}
.fade-in-delayed.is-visible {
  opacity: 1;
  transform: translateY(0);
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Shippori Mincho", serif;
  font-weight: inherit;
  font-size: 1em;
  letter-spacing: 0.08em;
}

.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  padding: 20px 40px;
  transition: background-color 0.3s ease, padding 0.3s ease;
}
.header-container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
}
.header-lang {
  font-family: "Caudex", serif;
  font-size: 0.9rem;
  color: white;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 200;
}
.header-lang .lang-item {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
}
.header-lang .lang-item:hover, .header-lang .lang-item.active {
  color: white;
  font-weight: 600;
}
.header-lang .lang-divider {
  opacity: 0.6;
  font-size: 0.8rem;
}
.header .lang-dropdown {
  position: relative;
}
.header .lang-current {
  display: none;
}
.header .lang-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  position: static;
  background: transparent;
  opacity: 1;
  visibility: visible;
  transform: none;
  box-shadow: none;
  width: auto;
  padding: 0;
}
.header .lang-menu .lang-option {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
  padding: 0;
  background: transparent !important;
}
.header .lang-menu .lang-option:hover, .header .lang-menu .lang-option.selected {
  color: white;
  font-weight: 600;
}
.header .lang-menu .lang-option:not(:last-child)::after {
  color: rgba(255, 255, 255, 0.4);
  font-weight: normal;
}
@media (min-width: 525px) {
  .header .lang-menu .lang-option:not(:last-child)::after {
    margin-left: 10px;
    content: "/";
  }
}
@media (max-width: 768px) {
  .header .lang-dropdown.is-open .lang-current::after {
    transform: translateY(-50%) rotate(180deg);
  }
  .header .lang-dropdown.is-open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .header .lang-current {
    display: block;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: white;
    padding: 6px 25px 6px 12px;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    position: relative;
  }
  .header .lang-current::after {
    content: "";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid white;
    transition: transform 0.3s ease;
  }
  .header .lang-menu {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 5px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    width: 100px;
    padding: 5px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }
  .header .lang-menu .lang-option {
    display: block;
    padding: 10px;
    color: #645A4D;
    text-align: center;
  }
  .header .lang-menu .lang-option:hover {
    background: #F7F7F7 !important;
    color: #4A90A4;
  }
  .header .lang-menu .lang-option.selected {
    color: #4A90A4;
    background: #f0f8ff !important;
  }
  .header .lang-menu .lang-option::after {
    content: none;
  }
}
@media (max-width: 768px) {
  .header {
    position: fixed;
    padding: 15px 20px;
  }
  .header.is-scrolled .header-lang {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 4px;
  }
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #4A90A4;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
@media (max-width: 525px) {
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
  }
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: #3a7181;
  transform: translateY(-5px);
}
.back-to-top .arrow-up {
  display: block;
  width: 12px;
  height: 12px;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
  transform: rotate(45deg);
  margin: 4px auto 0;
}

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  overflow: hidden;
  /* 背景スライドショー用のスタイル追加 */
}
.hero .fade-in-delayed {
  transition-delay: 1s;
  transform: none;
  display: flex;
  justify-content: center;
}
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  background: #000;
}
.hero-bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: var(--bg-pc);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1);
  z-index: 0;
}
@media (max-width: 768px) {
  .hero-bg-slide {
    background-image: var(--bg-sp);
    background-position: center top;
  }
}
.hero-bg-slide.active {
  opacity: 1;
  z-index: 1;
  transform: scale(1.15);
  transition: opacity 2s ease-in-out, transform 10s linear;
}
.hero-bg-slide.zoom-out {
  opacity: 0;
  z-index: 0;
  transform: scale(1.3);
  transition: opacity 3s ease-in-out, transform 10s linear;
}
.hero-logo {
  position: absolute;
  top: 50px;
  left: 50px;
}
.hero-logo img {
  width: 150px;
}
@media (max-width: 768px) {
  .hero-logo img {
    width: 100px;
  }
}
@media (max-width: 525px) {
  .hero-logo {
    top: 20px;
    left: 30px;
  }
  .hero-logo img {
    width: 80px;
  }
}
.hero-text-vertical {
  position: absolute;
  top: 20%;
  transform: translateY(-20%);
  writing-mode: vertical-rl;
  letter-spacing: 0.5rem;
  letter-spacing: 0.3em;
  line-height: 2;
  font-size: 2.2rem;
  font-weight: 300;
}
@media (max-width: 768px) {
  .hero-text-vertical {
    font-size: 2rem;
  }
}
@media (max-width: 525px) {
  .hero-text-vertical {
    font-size: 1.75rem;
    top: 25%;
  }
}
.hero-text-vertical h2 {
  letter-spacing: 0.3em;
}
.hero-text-vertical h2 span {
  display: inline-block;
  opacity: 0;
  animation: charFadeIn 2s cubic-bezier(0.2, 0, 0.2, 1) forwards;
}
.hero-text-vertical h2 span:nth-child(1) {
  animation-delay: 1.68s;
}
.hero-text-vertical h2 span:nth-child(2) {
  animation-delay: 1.86s;
}
.hero-text-vertical h2 span:nth-child(3) {
  animation-delay: 2.04s;
}
.hero-text-vertical h2 span:nth-child(4) {
  animation-delay: 2.22s;
}
.hero-text-vertical h2 span:nth-child(5) {
  animation-delay: 2.4s;
}
.hero-text-vertical h2 span:nth-child(6) {
  animation-delay: 2.58s;
}
.hero-text-vertical h2 span:nth-child(7) {
  animation-delay: 2.76s;
}
.hero-text-vertical h2 span:nth-child(8) {
  animation-delay: 2.94s;
}
.hero-text-vertical h2 span:nth-child(9) {
  animation-delay: 3.12s;
}
.hero-text-vertical h2 span:nth-child(10) {
  animation-delay: 3.3s;
}
.hero-text-vertical h2 span:nth-child(11) {
  animation-delay: 3.48s;
}
.hero-text-vertical h2 span:nth-child(12) {
  animation-delay: 3.66s;
}
.hero-text-vertical h2 span:nth-child(13) {
  animation-delay: 3.84s;
}
.hero-text-vertical h2 span:nth-child(14) {
  animation-delay: 4.02s;
}
.hero-text-vertical h2 span:nth-child(15) {
  animation-delay: 4.2s;
}
.hero-text-vertical h2 span:nth-child(16) {
  animation-delay: 4.38s;
}
.hero-text-vertical h2 span:nth-child(17) {
  animation-delay: 4.56s;
}
.hero-text-vertical h2 span:nth-child(18) {
  animation-delay: 4.74s;
}
.hero-text-vertical h2 span:nth-child(19) {
  animation-delay: 4.92s;
}
.hero-text-vertical h2 span:nth-child(20) {
  animation-delay: 5.1s;
}
.hero-bottom-text {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 50px;
  align-items: center;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
  text-align: center;
  font-size: 1.35rem;
  font-weight: bold;
  line-height: 1.8;
  letter-spacing: 0.1em;
  z-index: 2;
}
.hero-bottom-text img {
  height: 100px;
  max-width: 72%;
}
@media (max-width: 525px) {
  .hero-bottom-text {
    font-size: 0.9rem;
    height: 320px;
  }
}

@keyframes charFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}
.intro {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.5)), url("images/sec02-bg.jpg") center/cover;
  color: white;
}
.intro .container {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  align-items: end;
  gap: 60px;
}
@media (max-width: 768px) {
  .intro .container {
    align-items: start;
    flex-direction: column;
  }
}
.intro-text {
  flex: 1;
  font-size: 0.94rem;
  line-height: 2.2;
  letter-spacing: 0.1em;
}
@media (max-width: 768px) {
  .intro-text {
    padding-top: 10rem;
  }
}
@media (max-width: 525px) {
  .intro-text {
    font-size: 0.8rem;
    padding: 0 0 16rem;
  }
}
.intro-title-vertical h2 {
  writing-mode: vertical-rl;
  letter-spacing: 0.5rem;
  font-size: 2.2rem;
  letter-spacing: 1rem;
  font-weight: 300;
}
@media (max-width: 525px) {
  .intro-title-vertical h2 {
    font-size: 1.65rem;
    writing-mode: inherit;
    letter-spacing: 0.3em;
  }
}
.intro-subtitle {
  font-size: 1rem;
  margin-top: 1.5rem;
  padding-right: 1rem;
  letter-spacing: 0.2rem;
}
@media (max-width: 768px) {
  .intro-subtitle {
    display: none;
  }
}

/* 動画セクションのレイアウト調整 */
section.movie {
  padding: 6rem 0 8rem;
  background-color: #fff;
  /* 必要なら背景色を変更 */
  text-align: center;
  /* YouTubeをレスポンシブ対応させる魔法の記述 */
}
@media (max-width: 768px) {
  section.movie {
    padding: 2rem 0 4rem;
  }
}
section.movie .movie-header {
  margin-bottom: 40px;
}
section.movie .movie-title {
  font-size: 1.2rem;
  color: #008899;
  /* サイトのメインカラーに合わせてください */
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
section.movie .movie-responsive-box {
  position: relative;
  width: 100%;
  /* 横幅いっぱいにする */
  max-width: 1000px;
  /* ★ここを1000pxに変更しました */
  margin: 0 auto;
  /* 中央寄せ */
  padding-top: 56.25%;
  /* 16:9の比率を維持する魔法の記述 */
  background: #000;
  /* 読み込み中に黒くする（任意） */
  border-radius: 1rem;
  overflow: hidden;
}
section.movie .movie-responsive-box iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  /* 強制的に広げる */
  height: 100% !important;
  /* 強制的に広げる */
}

.about {
  background: #F9F5F0;
  position: relative;
  padding-top: 4rem;
}
@media (max-width: 768px) {
  .about {
    padding-top: 2rem;
  }
}
.about .wave-divider-top {
  position: absolute;
  top: 1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: translateY(-99%);
  z-index: 2;
}
.about .wave-divider-top svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 50px;
}
@media (max-width: 768px) {
  .about .wave-divider-top svg {
    height: 35px;
  }
}
.about-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}
.about-header h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 400;
}
@media (max-width: 525px) {
  .about-header h2 {
    font-size: 1.5rem;
  }
}
.about-header p {
  font-size: 1rem;
  line-height: 1.8;
}
@media (max-width: 525px) {
  .about-header p {
    font-size: 0.88rem;
  }
}
.about-divider {
  width: 4rem;
  height: 2px;
  background: #E3CEB4;
  margin: 30px auto;
}
.about-gallery {
  width: 100%;
  margin: 0 auto 60px;
  overflow: hidden;
  pointer-events: none;
  -webkit-user-select: none;
          user-select: none;
}
.about-gallery .swiper-wrapper {
  transition-timing-function: linear;
}
.about-gallery .swiper-slide {
  width: 480px;
  height: 360px;
  margin-right: 5px;
}
.about-gallery .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.5rem;
}
.about-cta {
  display: flex;
  gap: 30px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 5rem 0 0;
}
.about-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px 40px;
  background: url(images/anchor1-bg.jpg) no-repeat center/cover;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.3s ease;
  min-width: 250px;
  flex: 1;
}
.about-button:hover {
  transform: translateY(-5px);
}
.about-button-blue {
  background: url(images/anchor2-bg.jpg) no-repeat center/cover;
}
.about-button-teal {
  background: url(images/anchor3-bg.jpg) no-repeat center/cover;
}
.about-button span:first-child {
  font-size: 1.5rem;
  font-family: "Caudex", serif;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.about-button-sub {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.about-button-arrow {
  font-size: 10px;
  transform: scaleY(0.5);
}

@media (max-width: 768px) {
  .about-gallery .swiper-slide {
    width: 250px;
    height: 180px;
  }
}
.activity {
  display: grid;
  grid-template-columns: 100%;
  grid-template-areas: "stack";
  position: relative;
  background: #000;
  padding: 0;
  overflow: visible;
  font-size: 15px;
}
.activity-bg {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  grid-area: stack;
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  z-index: 0;
  overflow: hidden;
}
.activity-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: filter;
  transition: filter 0.1s linear;
}
.activity-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(35, 80, 105, 0.6);
  opacity: 0;
  will-change: opacity;
  transition: opacity 0.1s linear;
}
.activity-inner {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  grid-area: stack;
  position: relative;
  z-index: 1;
  padding-bottom: 5rem;
}
.activity-title-block {
  background: none !important;
  height: 80vh;
  display: flex;
  position: relative;
  color: white;
  padding: 3rem 0;
}
.activity-title-vertical {
  writing-mode: vertical-rl;
  letter-spacing: 0.5rem;
  font-size: 4rem;
  font-weight: 300;
  font-family: "Caudex", serif;
  letter-spacing: 0;
  white-space: nowrap;
}
@media (max-width: 525px) {
  .activity-title-vertical {
    font-size: 2.5rem;
  }
}
.activity-title-jp {
  font-size: 1rem;
  writing-mode: vertical-rl;
  letter-spacing: 0.5rem;
  letter-spacing: 0.1em;
}
.activity-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 4rem 0;
  gap: 3rem;
  border-radius: 0.5rem;
  background: linear-gradient(90deg, #374d51b3, #bd606066);
  padding: 4rem;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}
@media (max-width: 525px) {
  .activity-card {
    padding: 2rem;
    gap: 1rem;
  }
}
.activity-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.activity-card-reverse .activity-content {
  order: 1;
}
.activity-card-reverse .activity-image {
  order: 2;
}
.activity-image {
  position: relative;
  overflow: hidden;
}
.activity-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.activity-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.activity-content h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 400;
}
@media (max-width: 525px) {
  .activity-content h3 {
    font-size: 1.4rem;
    letter-spacing: 0;
  }
}
@media (max-width: 525px) {
  .activity-description {
    font-size: 0.9rem;
  }
}
.activity-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
  counter-reset: detail-number;
}
.activity-details .activity-detail-box {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  padding: 1rem 1rem 1rem 5rem;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.6;
  position: relative;
  counter-increment: detail-number;
}
.activity-details .activity-detail-box::before {
  content: counter(detail-number);
  position: absolute;
  left: 2rem;
  width: 2rem;
  height: 2rem;
  background: #5B7A8F;
  color: #fff;
  font-weight: bold;
  font-size: 1rem;
  font-family: "Caudex", serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
@media (max-width: 525px) {
  .activity-details .activity-detail-box {
    padding: 1rem 1rem 1rem 4rem;
  }
  .activity-details .activity-detail-box::before {
    left: 1rem;
  }
  .activity-details .activity-detail-box p {
    letter-spacing: 0;
  }
}
.activity-note {
  font-size: 0.8rem;
  letter-spacing: 0.025em;
  opacity: 0.8;
}
.activity-number {
  font-size: 6rem;
  font-family: "Shippori Mincho", serif;
  line-height: 1;
  margin-bottom: -1.8rem;
  margin-top: -1rem;
  opacity: 0.12;
}
@media (max-width: 525px) {
  .activity-number {
    font-size: 4rem;
  }
}
.activity-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.activity-tag {
  background: #4A4A4A;
  padding: 5px 15px;
  border-radius: 4px;
  font-size: 0.85rem;
  margin-right: 1em;
  color: #fff;
}
.activity-button {
  position: relative;
  display: inline-block;
  background: #D6A35F;
  border: 1px solid #D6A35F;
  color: white;
  border-radius: 3rem;
  padding: 0.9rem 4rem 0.9rem 1.5rem;
  margin: 1.5rem 0;
  font-family: "Shippori Mincho", serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: all 0.4s ease;
  text-align: center;
  text-decoration: none;
}
.activity-button::after {
  content: "→";
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Shippori Mincho", serif;
  font-weight: 600;
  font-size: 1.1em;
  color: white;
  transition: all 0.4s ease;
}
.activity-button:hover {
  background: #b97e2f;
  color: white;
  border-color: #b97e2f;
  transform: translateY(-2px);
}
.activity-button:hover::after {
  color: white;
  transform: translate(5px, -50%);
}

.activity-slider {
  position: relative;
  width: 100%;
  height: -webkit-fit-content;
  height: -moz-fit-content;
  height: fit-content;
  overflow: hidden;
}
.activity-slider .swiper-slide {
  width: 100%;
  padding-bottom: 2rem;
}
.activity-slider .swiper-slide img {
  width: 100%;
  object-fit: cover;
}
.activity-slider .swiper-button-prev,
.activity-slider .swiper-button-next {
  color: #fff;
  width: 50px;
  height: 50px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.activity-slider .swiper-button-prev::after,
.activity-slider .swiper-button-next::after {
  font-size: 20px;
  font-weight: bold;
}
.activity-slider:hover .swiper-button-prev,
.activity-slider:hover .swiper-button-next {
  opacity: 1;
}
.activity-slider .swiper-pagination {
  bottom: 0;
}
.activity-slider .swiper-pagination-bullet {
  background: #565656;
  opacity: 0.2;
  width: 10px;
  height: 10px;
  margin: 0 6px !important;
}
.activity-slider .swiper-pagination-bullet-active {
  opacity: 1;
  background: #4A90A4;
}

.activity-new .container {
  max-width: 1440px;
  width: 94%;
  padding-bottom: 0;
}
@media (max-width: 525px) {
  .activity-new .activity-inner {
    padding-bottom: 0;
  }
}
.activity-new .activity-card {
  color: white;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.9) 0%, rgba(15, 33, 77, 0.9) 100%);
}
.activity-new .activity-number {
  color: white;
}
.activity-new .course-menu {
  margin: 1.5rem 0 0;
}
.activity-new .course-menu ul {
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  padding: 1.5rem;
  margin-top: 5px;
  letter-spacing: 0;
  line-height: 1.25;
  border-radius: 4px;
  list-style: none;
  counter-reset: course-number;
}
.activity-new .course-menu ul .item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1rem;
  counter-increment: course-number;
}
.activity-new .course-menu ul .item:last-child {
  margin-bottom: 0;
}
.activity-new .course-menu ul .item::before {
  content: counter(course-number) "皿目";
  position: absolute;
  top: 0;
  left: 0;
  font-family: "Caudex", serif;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.activity-new .course-menu ul .item span {
  display: block;
  font-size: 0.7rem;
  color: white;
  margin-top: 5px;
  padding-left: 0;
  opacity: 0.9;
}

.activity-popular {
  background: #1881B6;
}
.activity-popular .container {
  max-width: 1280px;
  width: 94%;
  padding-bottom: 0;
}
.activity-popular .activity-card {
  background: rgba(255, 251, 246, 0.9);
}
@media (max-width: 525px) {
  .activity-popular .activity-card {
    gap: 1.5rem;
  }
}
.activity-popular p {
  margin: 0 0 1rem;
}

.activity-special {
  background: #1881B6;
  color: white;
}
.activity-special .activity-title-block {
  height: 60vh;
}
.activity-special .activity-inner {
  padding-bottom: 8rem;
}
.activity-special .special-content {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 60px;
}
.activity-special .special-content.reverse {
  flex-direction: row-reverse;
}
@media (max-width: 525px) {
  .activity-special .special-content.reverse {
    flex-direction: column;
    align-items: start;
  }
}
.activity-special .special-content .head h3 {
  writing-mode: vertical-rl;
  letter-spacing: 0.5rem;
  font-size: 2.2rem;
  letter-spacing: 1rem;
  font-weight: 300;
}
@media (max-width: 525px) {
  .activity-special .special-content .head h3 {
    font-size: 1.65rem;
    writing-mode: inherit;
    letter-spacing: 0;
    padding-top: 3rem;
  }
}
.activity-special .special-content .text {
  line-height: 2.2;
}
@media (max-width: 525px) {
  .activity-special .special-content .text {
    font-size: 0.8rem;
    letter-spacing: 0;
  }
}
.activity-special .yoyaku {
  text-align: center;
}
.activity-special .special-button {
  position: relative;
  display: inline-block;
  text-decoration: none;
  background: #17afaa;
  border: 1px solid #17afaa;
  color: white;
  border-radius: 3rem;
  padding: 0.9rem 4rem 0.9rem 1.5rem;
  font-family: "Shippori Mincho", serif;
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  cursor: pointer;
  max-width: 400px;
  width: 100%;
  transition: all 0.4s ease;
}
.activity-special .special-button::after {
  content: "→";
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Shippori Mincho", serif;
  font-weight: 300;
  font-size: 1.1em;
  color: white;
  transition: all 0.4s ease;
}
.activity-special .special-button:hover {
  background: white;
  color: #17afaa;
  border-color: #17afaa;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 144, 164, 0.3);
}
.activity-special .special-button:hover::after {
  color: #17afaa;
  transform: translate(5px, -50%);
}

.special-gallery {
  width: 100%;
  overflow: hidden;
  margin: 8rem 0 5rem;
  pointer-events: none;
  -webkit-user-select: none;
          user-select: none;
}
.special-gallery .swiper-wrapper {
  transition-timing-function: linear;
}
.special-gallery .swiper-slide {
  width: 480px;
  height: 360px;
  margin-right: 5px;
}
@media (max-width: 525px) {
  .special-gallery .swiper-slide {
    width: 250px;
    height: 180px;
  }
}
.special-gallery .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.5rem;
}

.maparea {
  background: #EAF4F4;
  position: relative;
}
.maparea .wave-divider-top {
  position: absolute;
  top: 1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: translateY(-99%);
  z-index: 2;
}
.maparea .wave-divider-top svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 50px;
}
@media (max-width: 768px) {
  .maparea .wave-divider-top svg {
    height: 35px;
  }
}
.maparea .special-guide-container {
  max-width: 100%;
  width: 94%;
}
.maparea .special-guide-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 1.8rem;
  color: #645A4D;
  font-family: "Shippori Mincho", serif;
}
.maparea .special-guide-body {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .maparea .special-guide-body {
    flex-direction: column;
  }
}
.maparea .special-map-area {
  flex: 3;
  width: 100%;
  position: relative;
}
.maparea .special-map-wrapper {
  position: relative;
  width: 100%;
}
.maparea .special-map-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}
.maparea .map-pin {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: white;
  color: #4A90A4;
  border: 2px solid #4A90A4;
  font-family: "Caudex", serif;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  transform: translate(-50%, -50%);
  z-index: 10;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.maparea .map-pin:hover, .maparea .map-pin.active {
  background: #4A90A4;
  color: white;
  transform: translate(-50%, -50%) scale(1.2);
}
.maparea .special-list-area {
  flex: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 15px;
  height: 640px;
  overflow-y: auto;
  padding-right: 15px;
}
.maparea .special-list-area::-webkit-scrollbar {
  width: 8px;
}
.maparea .special-list-area::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}
.maparea .special-list-area::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}
.maparea .special-list-area::-webkit-scrollbar-thumb:hover {
  background: #4A90A4;
}
@media (max-width: 768px) {
  .maparea .special-list-area {
    height: auto;
    overflow-y: visible;
    padding-right: 0;
  }
}
.maparea .spot-accordion-item {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease;
  margin: 0 0 1rem;
}
.maparea .spot-accordion-item.active {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.maparea .spot-accordion-item.active .spot-toggle-icon {
  transform: rotate(45deg);
  color: #4A90A4;
}
.maparea .spot-accordion-item.active .spot-number {
  background: #4A90A4;
  color: white;
}
.maparea .spot-header {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  cursor: pointer;
  gap: 15px;
}
.maparea .spot-header:hover {
  background: #fafafa;
}
.maparea .spot-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #4A90A4;
  color: #4A90A4;
  font-family: "Caudex", serif;
  font-size: 1.2rem;
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.maparea .spot-title-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.maparea .spot-title-group h4 {
  color: #4A90A4;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 2px;
}
.maparea .spot-subtitle {
  font-size: 0.75rem;
  color: #888;
  font-weight: normal;
}
.maparea .spot-toggle-icon {
  font-size: 1.5rem;
  color: #ccc;
  transition: transform 0.3s ease, color 0.3s ease;
  line-height: 1;
}
.maparea .spot-content {
  height: 0;
  overflow: hidden;
  transition: height 0.3s ease-out;
}
.maparea .spot-content-inner {
  padding: 0 20px 30px 75px;
}
@media (max-width: 768px) {
  .maparea .spot-content-inner {
    padding: 0 20px 30px;
  }
}
.maparea .spot-content-inner .text {
  margin: 0 0 1rem;
}
.maparea .spot-content-inner p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #645A4D;
}
.maparea .spot-content-inner img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.other-experiences {
  background: #F7F7F7;
  padding: 80px 40px;
}
@media (max-width: 525px) {
  .other-experiences {
    padding: 5rem 2rem;
  }
}

.other-header {
  text-align: center;
  margin-bottom: 60px;
}
.other-header h2 {
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.6;
}
@media (max-width: 525px) {
  .other-header h2 {
    font-size: 1.5rem;
  }
}
.other-divider {
  max-width: 800px;
  margin: 5rem auto 3rem;
  position: relative;
}
.other-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #D6A35F;
}
.other-divider-label {
  position: relative;
  background: #F7F7F7;
  padding: 0 20px;
  color: #D6A35F;
  font-size: 1rem;
  letter-spacing: 0.2rem;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}
.other-subtitle {
  text-align: center;
  font-size: 1.5rem;
  margin: 40px 0;
  font-weight: 400;
}
.other-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 2rem;
}
.other-card {
  background: white;
  border-radius: 0.5rem;
  overflow: hidden;
  text-decoration: none;
  color: #645A4D;
  display: flex;
  flex-direction: column;
  padding-top: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.other-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.other-card-title {
  padding: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  border-left: 4px solid #D6A35F;
}
.other-card p {
  padding: 20px;
  line-height: 1.8;
  letter-spacing: 0;
  font-size: 0.9rem;
}
.other-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  margin-top: auto;
}
@media (max-width: 525px) {
  .other-card img {
    height: 200px;
  }
}

.restaurant-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}
.restaurant-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: #645A4D;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.restaurant-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.restaurant-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.restaurant-info {
  padding: 20px;
}
.restaurant-info p {
  font-size: 0.9rem;
  margin-bottom: 8px;
  line-height: 1.6;
}
.restaurant-name {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #D6A35F;
  border-left: 4px solid #D6A35F;
  padding-left: 12px;
}

.andmore {
  text-align: center;
  margin: 3rem 0;
  display: block;
  color: inherit;
  text-decoration: none;
  transition: all 0.3s;
}
.andmore span {
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  background: #efece8;
  transition: all 0.3s;
}
.andmore:hover span {
  background: #dddad7;
}

.andmore + .other-divider {
  margin-top: 8rem;
}

.model-courses {
  background: #F9F1E6;
}
.model-courses h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 60px;
  font-weight: 400;
  line-height: 1.6;
}
@media (max-width: 525px) {
  .model-courses h2 {
    font-size: 1.5rem;
  }
}
.model-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}
.model-tab {
  flex: 1;
  padding: 20px 40px;
  background: #E0E0E0;
  border: none;
  font-size: 1.1rem;
  font-weight: bold;
  color: #999;
  cursor: pointer;
  transition: background 0.3s ease;
  border-radius: 8px 8px 0 0;
}
.model-tab:first-child {
  border-radius: 8px 0 0 0;
}
.model-tab:last-child {
  border-radius: 0 8px 0 0;
}
.model-tab-active {
  background: #D6A35F;
  color: white;
}
.model-tab-active:first-child {
  background: #dd96a3;
}
.model-tab-active:last-child {
  background: #5ab7c0;
}
.model-content {
  margin: 0 auto;
  background: transparent;
  min-height: auto;
  border: none;
  border-radius: 0;
  display: block;
}
.model-course-box {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.model-course-box.active {
  display: block;
  animation: fadeIn 0.5s forwards;
}
.model-course-image-wrapper {
  position: relative;
  cursor: pointer;
  border-radius: 8px;
  overflow: hidden;
  padding: 2rem;
  background: #fff;
}
@media (max-width: 525px) {
  .model-course-image-wrapper {
    padding: 5px;
  }
}
.model-course-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}
.model-course-image-wrapper:hover img {
  transform: scale(1.01);
}
.model-course-image-wrapper .zoom-icon {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 5px;
  z-index: 2;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.image-modal.active {
  opacity: 1;
  visibility: visible;
}
.image-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}
.image-modal-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  z-index: 1;
}
.image-modal-container img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}
.image-modal-close {
  position: absolute;
  top: -40px;
  right: -10px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}
.image-modal-close:hover {
  opacity: 0.8;
}

footer {
  padding: 3rem 0;
  text-align: center;
}
footer img {
  width: 150px;
}

@media (max-width: 768px) {
  .hero-text-vertical-sub {
    font-size: 1.5rem;
    right: 20%;
  }

  .intro-container {
    flex-direction: column;
  }

  .about-gallery {
    grid-template-columns: 1fr;
  }
  .about-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .about-button {
    padding: 20px;
  }
  .about-button span:first-child {
    font-size: 1.2rem;
  }
  .about-button span br {
    display: none;
  }

  .activity-card,
.popular-card,
.special-content,
.special-guide {
    grid-template-columns: 1fr;
  }

  .activity-card-reverse .activity-content,
.activity-card-reverse .activity-image {
    order: 0;
  }

  .activity-details {
    grid-template-columns: 1fr;
  }

  .other-grid {
    grid-template-columns: 1fr;
  }

  .restaurant-grid {
    grid-template-columns: 1fr;
  }

  .model-tabs {
    flex-direction: column;
  }

  .model-tab:first-child, .model-tab:last-child {
    border-radius: 8px 8px 0 0;
  }
}
.pc-only {
  display: block !important;
}
@media (max-width: 768px) {
  .pc-only {
    display: none !important;
  }
}

.sp-only {
  display: none !important;
}
@media (max-width: 768px) {
  .sp-only {
    display: block !important;
  }
}

@media (max-width: 768px) {
  span.sp-only,
br.sp-only {
    display: inline !important;
  }
}

span.pc-only,
br.pc-only {
  display: inline !important;
}
@media (max-width: 768px) {
  span.pc-only,
br.pc-only {
    display: none !important;
  }
}

.lang-en {
  letter-spacing: 0;
}
.lang-en .hero-text-vertical {
  line-height: 1.8;
  writing-mode: lr;
  text-align: center;
}
.lang-en .hero-text-vertical h2 {
  letter-spacing: 0.02em;
}
.lang-en .intro .container {
  flex-direction: column;
  align-items: start;
}
.lang-en .intro-title-vertical h2 {
  writing-mode: horizontal-tb;
  letter-spacing: 0.02em;
}
.lang-en .special-content.reverse {
  flex-direction: column;
  align-items: start;
}
.lang-en .special-content.reverse .head h3 {
  writing-mode: horizontal-tb;
  letter-spacing: 0.02em;
}