/* ベーススタイル */
body {

    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffd7;
    background: -moz-linear-gradient(65deg, rgba(255, 212, 71, 0.932), rgba(117, 247, 139, 0.753)),url(../image/image1.jpg);
    background: -webkit-linear-gradient(65deg, rgba(255, 212, 71, 0.932), rgba(117, 247, 139, 0.753)),url(../image/image1.jpg);
    background: linear-gradient(25deg, rgba(255, 212, 71, 0.932), rgba(117, 247, 139, 0.753)),url(../image/image1.jpg);
    background-size:cover;

}

header {
    background-color: #d9fbff;
    top: 0;
    color: #000;
    width: 100%;
    padding: 1em;
    text-align: center;
    position: sticky;
}


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

nav ul li {
    display: inline;
    margin: 0 1em;
}

nav ul li a {
    color: #000;
    text-decoration: none;
}

main {
    margin: auto;
    width: 80%;
    padding: 1em;
}

img.main-img{
    text-align: center;
    width: 90%;
    max-width: 430px;
}

section.main-vis {
    background-color: transparent;
    margin-bottom: 2em;
    text-align: center;
    box-shadow: none; /* 影の指定 */
}

section {
    background-color: #f7e2b9;
    margin-bottom: 1em;
    text-align: center;
    padding: 1em;
    border-radius: 1em;          /* 角丸の指定 */
    box-shadow: 3px 3px 1px olive; /* 影の指定 */
}

a.anchor{
    display: block;
    padding-top: 70px;
    margin-top: -70px;
}

h2{
    margin-bottom: 1em;
    text-align: center;
    background-color: #9cf5b7;
    border-radius: 1em;          /* 角丸の指定 */
    box-shadow: 3px 3px 1px olive; /* 影の指定 */

}
td, th {
    border: none;
    border-bottom: 1px solid black;
}
section table#sample{
    margin: auto;
    text-align: center;
}

p.red{
    color: #f00;
}

p.purple{
    color: rgb(218, 85, 255);
}
p.green{
    color: rgb(0, 192, 74);
}

p.blue{
    color: rgb(89, 144, 216);
}

p.bold{
    font-weight:bold;
}
p.large{
    font-size: larger;
}

section table#sample2{
    margin: auto;
    text-align: center;
    border: 1px solid #000;
    width: 85%;
}
table#sample2 td,table#sample2 th {
    border: 1px solid black;
}
footer {
    background-color: #8b4513;
    color: white;
    text-align: center;
    padding: 1em;
    width: 100%;
    bottom: 0;
}

/* レスポンシブスタイル */
@media (max-width: 600px) {
    header {
        width: 100%;
    }

    nav ul li {
        display: block;
        margin: 0.5em 0;
    }

    footer {
        position: static;
    }
    h1{
        font-size: 1.7em;
    }
}