@charset "UTF-8";

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.37rem 0.79rem;
  flex-wrap: wrap;
  min-height: 59px;
  height: auto;
  background: #fff;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 10;
  color: #000;
}

.header-logo img {
  display: block;
  width: 84%;
  max-width: 277px;
  height: auto;
}

header nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0; 
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}

header nav ul li {
  display: flex;
  align-items: center;
}

.desktop-nav {
  display: block;
  margin-left: auto;
}

header nav a {
  display: block;
  padding: 0.3rem 1.6rem;
  text-decoration: none;
  color: inherit;
  font-size: 0.95rem;
  border-radius: 0;
  position: relative;
  transition: color 0.2s;
}


header nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 1.6rem;
  right: 1.6rem;
  height: 2px;
  background: #b4003e;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.20s ease;
}

header nav a:hover {
  color: #b4003e;
}

header nav a:hover::after,
header nav a.nav-active::after {
  transform: scaleX(1);
}

header nav a.nav-active {
  color: #b4003e;
}

.menu-button {
  display: none;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 11;
}
.overlay.open { display: block; }


.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 260px;
  background: #fff;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 12;
  padding: 2rem 1.5rem;
  border-left: 1px solid #eee;
}
.drawer.open { transform: translateX(0); }

.drawer ul {
  list-style: none;
  padding: 0;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.drawer ul a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 15px;
  text-decoration: none;
  color: #202d3b;
  border-radius: 6px;
  transition: background 0.15s;
}
.drawer ul a:hover { background: #f5f5f5; }

.drawer-close {
  float: right;
  background: none;
  border: 1px solid #ddd;
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: 16px;
}

.body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 1rem;
  margin: 0;
  text-align: center;
}

.poster {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  position: relative;
  overflow: hidden;
  background-image: url('img/1780965141972-cee7d464-a800-4f6f-bca7-7b003b66fb31_1.png');
  background-size: cover;
  background-position: center top;
}

.poster::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  filter: blur(8px) brightness(90%);
  transform: scale(1.05);
  z-index: 0;
}

.poster img {
  display: block;
  width: min(717px, 100%);
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  header {
    align-items: center;
    justify-content: space-between;
  }

  .header-logo img {
    width: 82%;
    max-width: 208px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
    width: 3.30rem;  
    height: 3.30rem; 
    padding: 0;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    margin-left: auto;
  }

  .menu-button span {
    display: block;
    width: 1rem;
    height: 2.5px;
    margin: 0 auto;
    background: #202d3b;
    border-radius: 999px;
  }
}


.schedule-box {
  display: table;
  margin: 1.5rem auto;
  text-align: left;
  line-height: 1.8;
}

.schedule-label {
  display: inline-block;
  width: 8.5em;
}

.date-sat {
  color: #004EA2;
}

.date-sun {
  color: #c8142f;
}

.exhibition {
  padding: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 4rem auto 0 auto;
  box-sizing: border-box;
}

.exhibition h1 {
  margin-bottom: 0.1rem;
  font-size: 2rem;
  text-align: center;
}

.exhibition .subtitle {
  margin-top: 0;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: #666;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-align: center;
}

.grade-section {
  margin-bottom: 2.5rem;
}

.grade-title {
  display: flex;
  align-items: center;
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-size: 1.25rem;
  color: #202d3b;
  text-align: left;
}

.grade-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #ddd;
  margin-left: 1rem;
}

.search-container {
  max-width: 600px;
  margin: 0 auto 3rem auto;
  padding: 0 1rem;
  text-align: center;
}

#search-input {
  width: 100%;
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 999px;
  box-sizing: border-box;
  transition: border-color 0.3s, box-shadow 0.3s;
  margin-bottom: 1.2rem;
}

#search-input:focus {
  border-color: #b4003e;
  box-shadow: 0 0 8px rgba(0, 78, 162, 0.2);
  outline: none;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.filter-buttons .filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  background: transparent;
  border: 1px solid #ddd;
  border-radius: 999px;
  cursor: pointer;
  color: #202d3b;
  font-weight: bold;
  transition: all 0.2s ease;
  outline: none;
}

.filter-buttons .filter-btn:hover {
  background: rgba(0,0,0,0.04);
}

.filter-buttons .filter-btn.active {
  background: #b4003e;
  color: #fff;
  border-color: #b4003e;
}

.search-container {
  max-width: 600px;
  margin: 0 auto 3rem auto;
  padding: 0 1rem;
  text-align: center;
}

#search-input {
  width: 100%;
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 999px;
  box-sizing: border-box;
  transition: border-color 0.3s, box-shadow 0.3s;
  margin-bottom: 1.2rem;
  color: #202d3b;
}

#search-input:focus {
  border-color: #91142f;
  box-shadow: 0 0 8px rgba(145, 20, 47, 0.2);
  outline: none;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.filter-buttons .filter-btn {
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  background: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 999px;
  cursor: pointer;
  color: #202d3b;
  font-weight: bold;
  transition: all 0.2s ease;
  outline: none;
}

.filter-buttons .filter-btn:hover {
  background: #e9e9e9;
}


.filter-buttons .filter-btn.active {
  background: #91142f; 
  color: #fff;
  border-color: #91142f;
}


.class-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
  padding: 0;
  margin: 0;
}

.class-item {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  padding: 1.25rem;
  width: auto;
  min-height: 150px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  text-decoration: none;
  color: #202d3b; 
  text-align: left;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  position: relative;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
}


.class-item:hover {
  border-color: #cbd5e1;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.class-item.is-hidden {
  display: none !important;
}

.class-num {
  font-size: 1.3rem;
  font-weight: 800;
  color: #202d3b; 
  margin: 0 0 0.3rem 0;
  letter-spacing: 0.02em;
}

.exhibit-name {
  font-size: 0.95rem;
  font-weight: bold;
  line-height: 1.5;
  color: #202d3b; 
  
  max-width: 100%; 
  word-wrap: break-word;
  margin-bottom: 0.8rem;
  position: relative;
  padding-bottom: 4px;
}


.exhibit-name::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #91142f; 
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease-out;
}


.class-item:hover .exhibit-name::after {
  transform: scaleX(1);
}


.genre-badge {
  font-size: 0.7rem;
  font-weight: bold;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  color: #fff;
  letter-spacing: 0.05em;
  margin-top: auto;
}


.badge-drama { background: #009673; }       
.badge-attraction { background: #c8142f; }  
.badge-food { background: #142850; }        
.badge-horror { background: #57606f; }      
.badge-display { background: #7c5cbf; }     

.club-note {
  font-size: 0.78rem;
  color: #888;
  margin: -0.5rem 0 1rem 0;
}



.floor-map {
  padding: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 4rem auto 0 auto;
  box-sizing: border-box;
}

.floor-map h1 {
  margin-bottom: 0.1rem;
  font-size: 2rem;
  text-align: center;
}

.floor-map .subtitle {
  margin-top: 0;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: #666;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-align: center;
}

.floor-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;          
  margin: 2rem 0;
  padding: 0;
  list-style: none;
  
  
  border-bottom: 1px solid #ddd; 
}


.floor-buttons .floor-btn {
  
  padding: 0.6rem 1.8rem; 
  font-size: 1.2rem;
  font-weight: bold;
  background: transparent;  
  border: none;             
  border-radius: 0;         
  cursor: pointer;
  
  
  color: #ddd; 
  
  position: relative;
  bottom: -1px;             
  transition: color 0.2s ease;
}


.floor-buttons .floor-btn.active {
  color: #202d3b;           
  
  
  border-bottom: 3px solid #b4003e; 
}


.floor-buttons .floor-btn:hover:not(.active) {
  color: #a0a0a0;
}

.map-display {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.map-display img {
  width: 100%;
  height: auto;
  display: block;
}

.time-table {
  padding: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 4rem auto 0 auto;
  box-sizing: border-box;
}

.time-table h1 {
  margin-bottom: 0.1rem;
  font-size: 2rem;
  text-align: center;
}

.time-table .subtitle {
  margin-top: 0;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: #666;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-align: center;
}

.time-table-grid {
  display: flex;
  gap: 1rem;
}

.time-table-grid img {
  width: calc(50% - 0.5rem);
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .time-table-grid {
    flex-direction: column;
  }

  .time-table-grid img {
    width: 100%;
  }
}


.exhibition-link-wrap {
  text-align: center;
  margin-top: 1rem;
}

.exhibition-link-btn {
  display: inline-block;
  padding: 0.75rem 2.5rem;
  background: #b4003e;
  color: #fff;
  text-decoration: none;
  border-radius: 999px;         
  font-size: 1rem;
  font-weight: bold;
  border: 2px solid #b4003e;
  position: relative;
  overflow: hidden;
  transition: color 0.35s ease;
  z-index: 0;
}


.exhibition-link-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateX(-100%);
  transition: transform 0.35s ease;
  z-index: -1;
}

.exhibition-link-btn:hover {
  color: #b4003e;
}

.exhibition-link-btn:hover::before {
  transform: translateX(0);
}



.notice {
  padding: 1rem;
  width: 100%;
  max-width: 900px;
  margin: 4rem auto 0 auto;
  box-sizing: border-box;
}

.notice h1 {
  margin-bottom: 0.1rem;
  font-size: 2rem;
  text-align: center;
}

.notice .subtitle {
  margin-top: 0;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: #666;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-align: center;
}

.notice-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.notice-list li {
  padding: 1rem 1rem 1rem 3rem;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.7;
  border-bottom: 1px solid #eee;
}

.notice-list li:first-child {
  border-top: 1px solid #eee;
}

.notice-list li::before {
  content: "・";
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  font-size: 0.9rem;
}