video {
    width: 90%;
    max-width: 850px;
    max-height: 550px;
    margin: 0px 0px;
    padding: 0px 0px;
}

.head1 {
    text-align: left;
    font-size: x-large;
    color: white;
    font-weight: bolder;
}

.head2 {
    text-align: center;
    font-size: xx-large;
    color: white;
    font-weight: bolder;
}

.item1 {
    font-size: larger;
}

.item2 {
    text-align: left;
    padding-left: 15px;
}

.btn {
    font-size: 16px;
}

.scroll {
    height: 250px;
    overflow-y: auto;
}

table.hoge {
    border: 2px solid;
    margin: 0 auto;
    width: 95%;
    line-height: 30px;
    table-layout: fixed;
    border-collapse: collapse;
    text-align: center;
    vertical-align: middle;
    padding-top: 0px;
    padding-right: 0px;
    padding-left: 0px;
    font-size: 18px;
    background-color: #ffffff;
    font-weight: normal;
    white-space: normal;
}

table.hoge th {
    border-left: 1px solid;
    border-bottom: 2px solid;
}

table.hoge td {
    border: 1px solid black;
}