@charset "UTF-8";
/* reset */
*{
    margin: 0;
    padding: 0;
    line-height: 1;
    box-sizing: border-box;
}
li{
    list-style: none;
}
img{
    vertical-align: bottom;
    max-width: 100%;
    height: auto;
    
}
/* html */

body{
    background-image: url(../img/jellyfish-4760924.jpg);
    background-color: #fff;

}
nav ul{
        display: flex;
        justify-content: center;
        background-color: rgba(44, 55, 122, 0.25);

}
nav ul li{
    font-weight: 600;
    font-size: 22px;
     margin:0 20px;
     padding: 30px 0; 
}
nav a{
        color: #726b6b}
    



.header{
    background-color: #a0e8f1;
    background-image: url(../img/tunnel-452899_1280.jpg);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 90px;
}
.title{
    background-color: rgba(63, 65, 137, 0.50);
    text-align: center;
    padding: 40px 60px;
   color: #fff;
}
@media(max-width:500px){
    .title{
     background-color: rgba(30, 30, 30, 0.50);
}
}
h1{
    margin-bottom: 12px;
    font-size: 48px;
    font-weight: 700;
}
@media (max-width:500px){
    h1 {
     font-size: 32px;  
 }
}
.title p {
    font-size: 18px;
    font-weight: 500;
}

/* ヘッダー */


.main> p {
    text-align: center;
    font-size: 24px;
    margin-bottom: 40px;
    line-height: 1.4;
    color: #fffcfc;
}
@media (max-width:500px){
    main{
        padding: 0 20px;
    }
.main> p {
    font-size: 18px;

}
    }
.container{
    /* border: 1px solid #000; */
    width: 940px;
    margin: 0 auto 20px;
    text-align: center;
}
.container h2{
    background-color: #434057;

}


.container img{
    width: 500px;
    border-radius: 50%;
    padding-bottom: 30px;
}
@media(max-width:500px){
    .container li{
    margin: 20px 0;
}
}
@media (max-width:500px){
    .container {
     width: 100%;
       
 }
}


h2{
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 32px;
    color: #d8d5d5;
    padding: 0 auto 40px;
}
.container ul{
    display: flex;
    justify-content: center;
    gap: 32px;
}
@media (max-width:500px){
    .container ul{
     display: block;
 }
}


.container li{
    background-color: #6a9bc0;
    padding: 20px;
    border-radius: 6px;
    width: 50%;

    
}
@media(max-width:500px){
    .container li{
    width: 100%;

}
}

h3{
    font-style: 26px;
    margin-bottom: 20px;
    padding: 8px 24px;
    background-color: #ffffff;
    color: #726b6b;

}
.container li p {
    font-style: 16px;
    line-height: 1.4;
    text-align: justify;
}
.footer{
    background-color: #000000;
    color: #fff;
}
.footer p{
    text-align: center;
    padding: 60px 0;
}