body {
  margin: 0;
font-family: 'Roboto, 'Open Sans, 'Noto Sans, 'Nunito Sans, ;
  color: #e2dede;
  line-height: 1.5;
  background: url('images/dino-image2.webp') repeat center / cover;
}
.site-logo {
  height: 40px;
  width: auto;
  display: block;
}

.title-image img { max-width: 100%; height: auto; } 
.title-top img { width: min(90%, 760px); margin-top: 1.3em;} 

  .map img {
  display: block;
  margin: 0 auto ;
  margin-bottom: 3rem ;
  max-width: 90%;
  height: auto;
}

.title-top {
   width: 100%; text-align: center; 
   margin-top: 0.3rem;
   margin-bottom: 1.3rem;
}

.hero-overlay 
{
  background: rgb(47, 79, 47, 0.729);
  text-align: center;
  padding: 1rem 1rem;
}

.logo {
  font-size: 2.8rem;
  font-weight: bold;
background: linear-gradient(180deg, #ffffff 14%, #f97c1b 27%, #fff72f 63%, #e4fba3 100%);
color: transparent;
-webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent;
font-family: 'Roboto, 'Open Sans, 'Noto Sans, 'Nunito Sans, ;
}

.logo2 {
  font-size: 1.3rem;
  font-weight: bold;
color:rgb(255, 255, 255);
font-family: 'Roboto, 'Open Sans, 'Noto Sans, 'Nunito Sans, ;
}


.subtitle {
  font-size: 0.9rem;
    text-align: center;
  padding: 1.5rem 1rem;
color:rgb(255, 255, 255);
font-family: 'Noto Sans JP', 'Yu Gothic', 'Hiragino Kaku Gothic ProN', Arial, sans-serif;
}


section {
  padding: 2rem 1rem;
  max-width: 1040px;
  margin: auto;
  animation: fadeInUp 1s ease-out;
}

.map h2 {
  font-size: 1.5rem;
     font-weight: bold;
color: #fff;
}

.intro h2{
  font-size: 2rem;
background: linear-gradient(180deg, #fefe57 41%, #faa91c 67%, #dfd9bdbf 81%);
color: transparent;
-webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent;
font-family: 'Roboto, 'Open Sans, 'Noto Sans, 'Nunito Sans, ;
}

 .intro h2::after {
  content: '';
  display: block;
  width: auto;
  height: 3px;
  background: #f5d719;
}
.intro p {
  font-size: 1.2rem;
     font-weight: bold;
    color: #fff;
    margin-top: 1em;
}

.dinosaurs h2 {
  font-size: 1.3rem;
     font-weight: bold;
        color: #e2dede;
    text-align: center;
    margin-bottom: 1rem;
}

.dino-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(140px, 20vw, 200px), 1fr));
  gap: clamp(0.8rem, 2vw, 1.2rem);
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
    font-size: 11pt;
    color: #e2dede;
}

.dino-list li {
  background: rgba(47, 79, 47, 0.729);
  padding: 0.6em;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.dino-list img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0,0,0,0.4);
  animation: dinoWiggle 0.4s ease-in-out;
  animation-iteration-count: 1;
}

.dino-list span {
  display: block;
  margin-top: 0.5rem;
  font-weight: bold;
}

.event-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  gap: 1rem;
  padding: 1rem;
}

.event-info dt {
  font-weight: bold;
  color: #f5d719;
  font-size: 1.4rem;
  margin-bottom: 0.1rem;
  text-align: center;
}

.event-info dd {
font-weight: bold;
  margin: 0;
  font-size: 1.4rem;
  color: #fff;
  text-align: center;
}
.outro {
  width: 100%;
  max-width: none;
  margin-bottom: 1rem;

}

.outro h2{
  font-size: 2.7rem;
  font-weight: bold;
  color: #f5d719;
  text-align: center;

}


/* モバイル対応 */
@media (max-width: 640px) {
  .event-info {
    padding: 1rem;
    font-size: 1rem;
  }

  .event-info dt {
    font-size: 1.1rem;
  }

  .event-info dd {
    font-size: 1.1rem;
  }
}

.info h2 {
  font-size: 1.6rem;
  color: #f5d719;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
}

.info h2::after {
  content: '';
  display: block;
  width: 120px;
  height: 3px;
  background: #f5d719;
  margin: 0.2rem auto 0;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  background: rgba(245, 215, 25, 0.9);
  color: #2f4f2f;
  font-weight: bold;
  font-size: 1.2rem;
  padding: 0.6rem 0.8rem;
  border-radius: 50%;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  transition: opacity 0.3s ease;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

/* アニメーション */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes dinoWiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(2deg); }
  75% { transform: rotate(-2deg); }
}

/* レスポンシブ対応 */
@media (max-width: 640px) {
  .logo { font-size: 1.8rem; }
  .logo2 { font-size: 1rem; }
  .intro p {  font-size: 0.9rem;}
  .outro h2 {  font-size: 1.7rem;}
  .subtitle { font-size: 0.8rem; }
  .dino-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .dino-list img {
    max-width: 100%;
    box-shadow: none;
}
.intro h2{
  font-size: 1.6rem;
     font-weight: bold;
   color: #f5d719;
   }
  }

body.menu-open {
  overflow: hidden;
}


.simple-header {
  background: rgba(47, 79, 47, 0.95);
  color: #fff;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
  margin: 0 auto;
}

.site-title {
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0;
}

.menu-toggle {
  display: none;
}

.menu-icon {
  font-size: 1.8rem;
  cursor: pointer;
  display: none;
}

.simple-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.simple-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

/* モバイル表示 */
@media (max-width: 640px) {
  .menu-icon {
    display: block;
  }

  .simple-nav {
    display: none;
    position: absolute;
    top: 60px;
    right: 1rem;
    background: rgba(47, 79, 47, 0.95);
    padding: 1rem;
    border-radius: 8px;
  }

.simple-nav {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s ease;
}

.menu-toggle:checked + .menu-icon + .simple-nav {
  max-height: 500px; /* メニューの高さに合わせて調整 */
}

  .menu-toggle:checked + .menu-icon + .simple-nav {
    display: block;
  }

  .simple-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }
}
.site-footer {
  background: rgba(47, 79, 47, 1);
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
  width: 100%;
  box-sizing: border-box;
}