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

body {
font-family: 'Noto Sans JP', sans-serif;
background-color:#f0f8ff;

}
h1, h2, h3, .title {
font-family: 'M PLUS Rounded 1c', sans-serif;
text-align: center;
align-items: center;
}
li{
margin-bottom:20px;
text-align:center;
font-family: 'M PLUS Rounded 1c', sans-serif;
}
header {
position: fixed;
top: 0;
left: 0;
background-color: #6699FF;
color: #fff;
text-align:left;
display:flex;
width:100%;
height:70px;
z-index:100;
align-items: center;
}

header img{
display: block;
width:90px;
height:70px;
margin-left: 5px;
}
.slideshow {
position: relative;
width: 100%;
max-width: 800px;
height: 300px;
margin: 1.5rem auto;
overflow: hidden;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.slide {
position: absolute;
top: 0;
left :0;
width: 100%;
height: 300px;
object-fit: cover;
opacity: 0;
transition: opacity 1.5s ease-in-out;
animation-name:fadeIn;
}

.slide.active {
opacity: 1;
z-index: 1;
}

.title{
text-align:center;
}
h1.title{
font-size: 2rem;
margin-bottom: 0.5rem;
text-align: left;
color:#ffffff
}
.hamburger {
width: 30px;
height: 20px;
position: relative;
cursor: pointer;
margin: 20px;
z-index: 1001;
}

.hamburger span {
position: absolute;
height: 3px;
width: 100%;
background: #333;
border-radius: 2px;
transition: all 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }


.nav-menu {
position: fixed;
top: 0;
right: -100%;
width: 200px;
height: 100%;
background-color:rgb(240,240,240);
color: #fff;
transition: right 0.3s ease;
padding-top: 60px;
z-index: 1000;
}

.nav-menu ul {
list-style: none;
padding: 0;
}

.nav-menu li {
text-align: center;
margin:12px;
height:43px;
align-items:center;
background-color:white;
border-right:7px solid rgb(150,150,150);
border-bottom:7px solid(200,200,200);
}

.nav-menu li a {
display: inline-block;
text-decoration: none;
color: black;
font-size: 20px;
font-family:monospace;
}


.nav-menu.active {
left: 0;
}


.hamburger.active span:nth-child(1) {
transform: rotate(45deg);
top: 8px;
}

.hamburger.active span:nth-child(2) {
opacity: 0;
}

.hamburger.active span:nth-child(3) {
transform: rotate(-45deg);
top: 8px;
}
.section {
padding: 2rem;
margin: 1rem 0;
background-color:rgb(204, 255, 255);
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
display: block;
}
#content{
animation: fadeIn 0.2s ease-in-out;

}
@keyframes fadeIn{
0%{
opacity: 0;
transform:
translateY(-100px);
}
100%{
opacity: 1;
transform: none;
}
}
#day {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.5rem 0;
}

#day h3 {
  margin: 0;
  font-size: 1.2rem;
}
#day h4 {
  margin: 0;
  font-weight: normal;
  color: #555;
}
#space{
color:white;
}
.sectionw{
height:70px;
}
td{
width: 400px;
text-align:center;
background-color:#FFFFFF;
z-index:1;
}
summary{
background-color: #44ffa1;
width: 450px;
}
#first{
display:flex;
padding: 10px;
margin: 10px;
}
#first img{
width:100px;
height:100px;
margin-right:30px;
}

#searchBox{
width: 100%;
padding: 10px;
font-size: 16px;
margin-bottom: 1rem;

}
#theme{
       text-align:center;　　
}
#theme p{
         margin-top:20px;
}
#A{
          font-family:"Hannari";
}
#B{
      display: inline-block;
  font-size: 28px;
  font-family: "Roboto", sans-serif;
  font-weight: bold;
  margin:0 auto 5%;
 background: linear-gradient(180deg, #7f5af0, #ffd43b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
#theme img{
       width:100px;
       height:100px;
}

#access img{
        width:400px;
        height:200px;
}
#access h3{
        text-align:right;
}
#map{
     text-align:center;
     justify-content:center;
     margin-bottom:80px;
}


#top h1{
       text-align:center;
}
.slideshow {
  position: relative;
  width: 100%;
  max-width: 800px;
  height: 300px;
  margin: 1.5rem auto;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.slide.active {
  opacity: 1;
  z-index: 1;
}

.itemlist{
 
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.item{
         background-color: #fff;
         width:200px;
         height:200px;
         display:flex;
         text-align:center;
　　　　　align-items:center;
        flex-direction: column;
        margin-bottom:20px;
        margin-top:20px;
}

#space{
     color:white;
}

#content img{
       width:130px;
       height:100px;
       margin-left:40px;
       margin-top:20px;
}

#caution h3{
        text-align:center;
        margin-top:30px;
}
footer {
  text-align:center;
  padding: 1rem;
  background-color: #333;
  color: #fff;
}

footer img{
         width:50px;
         height:50px;
}
li{
    margin-bottom:20px;
    text-align:center;
    font-family: 'M PLUS Rounded 1c', sans-serif;
}


footer {
text-align:center;
padding: 1rem;
background-color: #333;
color: #fff;
}

footer img{
width:50px;
height:50px;
}


@media (max-width: 768px) {
header nav ul li {
margin-bottom: 10px;
}
img{
width:100%;
height:auto;
}
.section {
padding: 1rem;
}
header .title{
font-size:20px;
}
summary{
max-width:100%;
}
details{
max-width:100%;
}
}

#caution h3{
text-align:center;
margin-top:30px;
}

#google_intrusion{
    width: 100%;
    height: 400px;
    iframe{
        width: 100%;
        height: 100%;
    }
}