body {
    background: #e9e9e9;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
}
main{
    margin-top: 100px;
    letter-spacing: 0.2em;
}

header {
    z-index: 1;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    flex-direction: column;
    background: #fff;
}

footer{
    position: sticky;
    top: 100vh;
    width: 100%;
    width: 100%;
    height: 100px;
    background: #dbdbdb;
}

.headinner{
    max-width: 900px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    height: 80px;
    margin: 0 auto;
    padding: 0 4%;
}

.footinner{
    font-size: 13;
    max-width: 900px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100px;
    margin: 0 auto;
    padding: 0 4%;
}

a{
    text-decoration: underline dotted;
    color: #000000;
}

.title{
    max-width: 900px;
    display: flex;
    align-items: center;
    margin: 10 auto;
}

.titlebar {
    margin: 2px 5px 0px 0px;
    background: rgb(121, 145, 240);
    width: 10px;
    height: 25px;
}

.subtitle{
    max-width: 900px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px auto 5px auto;
}

.infopicture {
    max-width: 900px;
    margin: 0 auto;
    display: block;
    width: 100%;
}

table {
    max-width: 900px;
    border-collapse: collapse;
    width: 100%;
    margin: 5px auto 30px auto;
    padding: 10% 0;
}

th,td {
    padding: 13px;
    border: 1px solid #b4b4b4;
}

th {
    background-color: #ddd;
    width: 150px;
}

.history {
    max-width: 900px;
    width: 100%;
    margin: 5px auto 30px auto;
    text-align: right;
}

a:hover {
    opacity: 0.7;
}

h1{
    font-weight: normal;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 600;
    font-style: normal;
}

h2{
    font-weight: normal;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
}

th{
    font-weight: normal;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 500;
    font-style: normal;
}