.container {
  display: grid;
  grid-template-rows: 52px 1fr;
  grid-template-columns: 1fr;
  min-height: 100dvh;
}

.header-frame {
  grid-row: 1 / 2;
  grid-column: 1 / 2;
}

.header-pane {
  position: fixed;
  top: 0px;
  z-index: 999;
  width: 100%;
  background: linear-gradient(to right, #017FDB11, #FEE10111, #00A05011, #DDDBCE11, #CE326211);
  background-color: #FFFFFF;
  border-bottom: solid 1px;
  border-image: linear-gradient(to right, #017FDB, #FEE101, #00A050, #DDDBCE, #CE3262) 1;
}

header {
  position: sticky;
  height: 47px;
  display: grid;
  grid-template-columns: auto 11em;
  align-items: center;
  max-width: 1300px;
  margin: 0 auto 5px auto;
  padding: 0 10px;
  column-gap: .5em;
  overflow-y: hidden;
}

.main-frame {
  grid-row: 2 / 3;
  grid-column: 1 / 2;
  width: 100%;
}

.main-pane {
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 270px 1fr;
  max-width: 1300px;
  margin: 0 auto;
  background-color: #FFFFFF;
}

main {
  grid-row: 1 / 2;
  grid-column: 2 / 3;
  align-self: start;
  position: sticky;
  z-index: 99;
  background-color: #FFFFFF;
  /* padding: 0 10px 90px 10px; */
  padding: 0 10px 0px 10px;
  /* padding: 10px; */
}

.main-content {
  padding: 0.5em 0 2.5em 0;
  min-height: calc(100dvh - 52px - 1px - 41px - 26px);
}

nav {
  grid-row: 1 / 2;
  grid-column: 1 / 2;
  /* position: sticky; */
  /* position: absolute; */
  position: fixed;
  align-self: start;
  top: calc(52px + 1px);
  height: calc(100dvh - 52px - 1px);
  /* height: auto; */
  width: 270px;
  z-index: 999;
  padding: 10px;
  margin: 0px;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: #FFFFFF;
  white-space: nowrap;
}

#menu {
  /*  visibility: hidden;*/
  display: none;
}

@media (width < 1024px) {
  header {
    grid-template-columns: 3em auto 11em;
  }

  main {
    grid-column: 1 / 3;
  }

  nav {
    left: -320px;
    transition: .5s;
    filter: drop-shadow(5px 5px 5px #BBBBBB);
    overflow-y: scroll;
    font-size: 1.4rem;
  }

  nav.navopen {
    left: 0;
  }

  /* メニュー */
  #menu {
    /*  visibility: visible;*/
    display: inline;
    font-size: 22pt;
    text-align: center;
  }

  #menu:hover {
    cursor: pointer;
  }

  header h1 {
    font-size: 16pt;
  }

  header h2 {
    font-size: 14pt;
  }

  header h1 img {
    display: none;
  }
}

/*========== .book関連 ==========*/
.book {
  display: grid;
  grid-template-rows: auto auto;
  grid-template-columns: 8.2rem auto;
  column-gap: .5em;
  padding: 1px;
}

.book:first-child {
  border-top: solid 2px #BBBBBB;
}

.book:last-child {
  border-bottom: solid 2px #BBBBBB;
}

.book.dashed {
  border-top: dashed 1px #BBBBBB;
}

.book.thin {
  border-top: solid 1px #BBBBBB;
}

.book.thick {
  border-top: solid 2px #BBBBBB;
}

.book.gray {
  background-color: #F5F5F5;
}

@media (hover: hover) {
  .book:hover {
    background-color: #FFCCCC;
  }
}

.b_1 {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
  display: grid;
  grid-template-columns: 3px auto;
  column-gap: .5em;
  position: relative;
}

.b_2 {
  grid-row: 1 / 2;
  grid-column: 2 / 3;
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: auto auto;
  column-gap: .5em;
}

.b_3 {
  grid-row: 2 / 3;
  grid-column: 2 / 3;
  /* border-top: dotted 2px #E4E4E4; */
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: auto 5em;
  column-gap: .5em;
}

.b_c {}

.b_n::before {
  content: '';
  width: 0.4em;
  position: absolute;
  padding-right: 0.05em;
  left: 0.3em;
  border-left: solid 1px #222222;
}

.b_n.gr_1::before {
  border-top: solid 1px #222222;
  height: calc(100% - 0.5em + 5px);
  top: 0.5em;
  border-radius: 5px 0 0 0;
}

.b_n.gr_2::before {
  height: calc(100% + 5px);
}

.b_n.gr_3::before {
  border-bottom: solid 1px #222222;
  height: calc(0.5em + 2px);
  top: 0;
  border-radius: 0 0 0 5px;
}

.b_t {
  grid-row: 1 / 2;
  grid-column: 1 / 2;
}

.b_t2 {
  font-weight: 600;
}

.b_t4 {
  padding-left: 1rem;
  display: none;
}

.b_a {
  grid-row: 2 / 3;
  grid-column: 1 / 2;
  padding-left: 1em;
}

.b_y {
  display: flex;
  flex-wrap: wrap;
  column-gap: .5em;
  align-items: flex-start;
  padding-left: 1em;
}

.b_r {
  display: flex;
  flex-wrap: wrap;
  column-gap: .5em;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .book {
    grid-template-columns: 8.2rem 1fr;
    max-width: 1300px;
  }

  .b_2 {
    grid-template-rows: 1fr;
    grid-template-columns: 1fr 1fr;
  }

  .b_3 {
    grid-row: 2 / 3;
    grid-column: 2 / 3;
    display: grid;
    grid-template-columns: auto 6em;
  }

  .b_t4 {
    display: block;
  }

  .b_a {
    grid-row: 1 / 2;
    grid-column: 2 / 3;
    padding-left: 0;
  }
}

@media print, (min-width: 1024px) {
  .book {
    grid-template-columns: 8.2rem 5fr 2fr;
    max-width: 1300px;
  }

  .b_3 {
    grid-row: 1 / 2;
    grid-column: 3 / 4;
    /* border-top: dotted 2px #E4E4E4; */
    display: grid;
    grid-template-rows: 1fr;
    grid-template-columns: auto 6em;
    column-gap: .5em;
  }

  .b_y {
    padding-left: 0;
  }
}

#toToppage:hover {
  cursor: pointer;
}

/* 色 */
.b {
  background-color: #017FDB;
}

.y {
  background-color: #FEE101;
}

.g {
  background-color: #00A050;
}

.w {
  background-color: #DDDBCE;
}

.r {
  background-color: #CE3262;
}

.o {
  /* background-color: #888888; */
}

.ba {
  background-color: #017FDB22;
  border-bottom: solid 1px #017FDB;
}

.ya {
  background-color: #FEE10122;
  border-bottom: solid 1px #FEE101;
}

.ga {
  background-color: #00A05022;
  border-bottom: solid 1px #00A050;
}

.wa {
  background-color: #DDDBCE22;
  border-bottom: solid 1px #DDDBCE;
}

.ra {
  background-color: #CE326222;
  border-bottom: solid 1px #ce3262;
}

.oa {
  background-color: #00000011;
  border-bottom: solid 1px #888888;
}

/* input */
input {
  border: solid 1px;
  width: 10em;
  max-width: 100%;
  padding: 2px;
  font-size: 13pt;
  background-color: #FFFFFF;
}

/* 印刷時の設定 */
@media print {
  .book {
    page-break-inside: avoid;
  }

  .book:hover {
    background-color: #FFFFFF;
  }
}