:root {
  --menu-height: 2rem;
  --menu-text-color: black;
  --menu-line-color: black;
  --menu-line-color-active: rgb(153, 209, 255);
  --menu-text-color-active: black;
  --menu-color-background-active: rgb(204, 232, 255);
}

html {
  font-size: 16px;
  font-family: "Arial";
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

body {
  background-image: url("/image/background.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.2);
}

dialog {
  min-width: 50%;
  min-height: 50%;
  border: 1px solid black;
  border-radius: 5px;
}

.run_table,
.page_use_table {
  display: table;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 80%;

  thead tr {
    border-bottom: 1px solid #DADADA;
  }

  tbody tr:hover {
    background: #E7EFF7;
  }

  th .heading_text {
    position: relative;
  }

  th .heading_text::after {
    position: absolute;
    visibility: hidden;
    color: #009;
    width: 1em;
    right: 0;
  }

  th.ascending .heading_text::after {
    visibility: visible;
    content: "\02963";
  }

  th.descending .heading_text::after {
    visibility: visible;
    content: "\2965";
  }

  th, td {
    font-weight: normal;
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    padding: 1px 3px;
  }

  th.block_end, td.block_end {
    border-right: 1px solid #DADADA;
  }

  .flag {
    text-align: center;
  }

  .num {
    text-align: right;
  }
}

.run_table {
  width: 100%;
}