@charset "UTF-8";
main {
  position: relative;
  padding: 82px 0 0 0;
  margin: 0;
  display: block;
}

.contents {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 106px 20px;
  box-sizing: border-box;
}

.tab {
  display: none;
}

.tab.active {
  display: block;
}

.btn_box {
  display: flex;
  justify-content: center;
  margin: 100px 0 0;
}
.btn_box li {
  width: 10em;
  text-align: center;
  margin-right: 30px;
  font-size: 1.8em;
  font-weight: 600;
  padding: 15px 0;
  border: 1px solid #013686;
  cursor: pointer;
  background: #fff;
  color: #013686;
}
.btn_box li.active {
  background: #013686;
  color: #fff;
}
.btn_box li:hover {
  background: #013686;
  color: #fff;
}
.btn_box li:last-child {
  margin-right: 0;
}

.basic,
.status {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0 20px;
}
.basic h2,
.status h2 {
  display: flex;
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
  align-items: center;
}
.basic h2 .sub,
.status h2 .sub {
  font-size: 2rem;
  font-weight: 400;
  margin-left: 5px;
}
.basic dl,
.status dl {
  display: flex;
  width: 100%;
  margin: 0;
  border-top: 1px solid #d1d1d1;
}
.basic dl dt,
.status dl dt {
  padding: 1em 0;
  width: 17%;
  min-width: 150px;
  font-weight: 600;
  font-size: 1.6em;
  line-height: 1.75;
  color: #013686;
  display: flex;
  justify-content: center;
  /* 横方向を中央に */
  align-items: center;
  /* 縦方向を中央に */
  background-color: #efeff2;
  border-right: 1px solid #d1d1d1;
}
.basic dl dd,
.status dl dd {
  width: 78%;
  padding: 1em 0 1em 57px;
  font-size: 1.6em;
  line-height: 1.75;
  color: #323232;
  background-color: #fff;
}
.basic dl.end,
.status dl.end {
  border-bottom: 1px solid #d1d1d1;
}
.basic .second,
.status .second {
  border-top: none;
}
.basic .second dt,
.status .second dt {
  padding: 5px 0 0;
}
.basic .second dd,
.status .second dd {
  padding: 5px 0 25px 57px;
}

.treasury {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0 106px;
  justify-content: space-between;
}
.treasury h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.treasury table {
  width: 100%;
  margin: 0;
}
.treasury table tr {
  border-bottom: 1px solid #d1d1d1;
}
.treasury table tr th,
.treasury table tr td {
  padding: 0;
  text-align: center;
  font-size: 1.6em;
  line-height: 1.75;
  color: #323232;
}
.treasury table tr th {
  width: 25%;
  min-width: 150px;
  font-weight: 600;
  padding: 0.25em 0;
  text-align: center;
  background-color: #efeff2;
  border-right: #c2c2c2 1px solid;
  border-bottom: #c2c2c2 1px solid;
  color: #013686;
}
.treasury table tr th.end {
  border-right: none;
}
.treasury table tr td {
  padding: 0.25em 0;
  border-right: #c2c2c2 1px solid;
  border-bottom: #c2c2c2 1px solid;
}
.treasury table tr td.end {
  border-right: none;
}
.treasury table tr.total {
  border-top: 2px solid #c2c2c2;
}
.treasury table tr.total td {
  padding: 1em 0;
}

.shareholders-meeting {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0 106px;
  justify-content: space-between;
}
.shareholders-meeting h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.shareholders-meeting .list {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 50px;
  padding: 0;
  justify-content: space-between;
}
.shareholders-meeting .list h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.shareholders-meeting .list .origin-box {
  margin-bottom: 40px;
}
.shareholders-meeting .list .origin-box h3 {
  margin-bottom: 40px;
}
.shareholders-meeting .list .origin-box h3 span {
  font-size: 2.4em;
  font-weight: 600;
  border-bottom: 1px solid #323232;
}
.shareholders-meeting .list .origin-box .origin-text {
  font-size: 2em;
  line-height: 1.75;
  color: #323232;
  font-weight: 700;
}
.shareholders-meeting .list .origin-box .origin-text span {
  font-size: 2.6rem;
  color: #013686;
}
.shareholders-meeting .list .origin-box .note {
  font-size: 1.6rem;
  line-height: 2;
  color: #323232;
  font-weight: 400;
  margin-top: 26px;
}
.shareholders-meeting .list dl {
  display: flex;
  width: 100%;
  padding: 30px 0;
  border-top: 1px solid #d1d1d1;
}
.shareholders-meeting .list dl dt {
  width: 12%;
  min-width: 143px;
  font-weight: 400;
  font-size: 1.6em;
  line-height: 1.75;
  align-items: center;
  text-align: center;
  color: #323232;
}
.shareholders-meeting .list dl dd {
  display: flex;
  margin-left: 5px;
  font-size: 1.6em;
  line-height: 1.75;
  letter-spacing: 0.05em;
  color: #323232;
}
.shareholders-meeting .list dl dd .type_set {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.shareholders-meeting .list dl dd .type_set .type {
  background-color: #efeff2;
  color: #013686;
  text-align: center;
  width: 6em;
  margin: 0 10px 0 20px;
  font-size: 1.4rem;
  font-weight: 600;
}
.shareholders-meeting .list dl dd a {
  color: #323232;
}
.shareholders-meeting .list dl.end {
  border-bottom: 1px solid #d1d1d1;
}
.shareholders-meeting .list .second {
  border-top: none;
  padding: 0 0 25px;
}
.shareholders-meeting .reduction {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 100px;
  padding: 0 0 86px;
  justify-content: space-between;
}
.shareholders-meeting .reduction h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.shareholders-meeting .reduction .text-box {
  margin-bottom: 40px;
}

.reduction {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0 106px;
  justify-content: space-between;
}
.reduction h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.reduction .reed_text {
  margin-bottom: 30px;
}
.reduction .reed_text dt {
  font-size: 2em;
  font-weight: 600;
  margin-bottom: 15px;
}
.reduction .reed_text dd {
  font-size: 2em;
  font-weight: 600;
}
.reduction .reed_text dd.text {
  font-size: 1.4em;
  font-weight: 400;
  line-height: 1.75;
  margin-top: 30px;
}
.reduction .text-box {
  margin-bottom: 100px;
}
.reduction .text-box .text {
  font-size: 1.6em;
  line-height: 1.75;
  margin-bottom: 40px;
}
.reduction table {
  width: 100%;
  margin: 0 0 100px 0;
}
.reduction table tr {
  border-bottom: 1px solid #d1d1d1;
}
.reduction table tr th,
.reduction table tr td {
  padding: 0;
  text-align: center;
  font-size: 1.6em;
  line-height: 1.75;
  color: #323232;
}
.reduction table tr th {
  width: 25%;
  min-width: 150px;
  font-weight: 600;
  padding: 0.25em 0;
  text-align: center;
  background-color: #efeff2;
  border-right: #c2c2c2 1px solid;
  border-top: #c2c2c2 1px solid;
  border-bottom: #c2c2c2 1px solid;
  color: #013686;
}
.reduction table tr th.monthly {
  width: 15%;
  background-color: #fff;
}
.reduction table tr th.end {
  border-left: 1px solid #c2c2c2;
  border-right: none;
}
.reduction table tr th.held {
  width: 60%;
}
.reduction table tr th.card {
  width: 40%;
}
.reduction table tr td {
  padding: 0.25em 0;
  border-right: #c2c2c2 1px solid;
  border-bottom: #c2c2c2 1px solid;
}
.reduction table tr td.end {
  border-right: none;
}
.reduction table tr td .endkabu {
  margin-right: 6em;
}
.reduction table tr td .note {
  font-size: 1.2rem;
}
.reduction table tr td.dividend {
  width: 10%;
  background-color: #efeff2;
}
.reduction table tr.end {
  border-bottom: 1px solid #c2c2c2;
}
.reduction table.first {
  margin: 0 0 50px 0;
}
.reduction .backnumber_box {
  margin-bottom: 20px;
}
.reduction .backnumber_box .btn_box {
  display: flex;
  margin-right: 50px;
  margin: 0 0 20px 0;
  font-size: 2.4rem;
  color: #013686;
  text-decoration: underline;
  justify-content: flex-start;
}
.reduction .backnumber_box .btn + p {
  display: inline-flex;
  align-items: center;
  /* ← 縦中央揃え */
}
.reduction .backnumber_box .toggle {
  margin-left: 5px;
  cursor: pointer;
  color: #013686;
  text-decoration: underline;
}
.reduction .backnumber_box {
  /* 開いたとき（上向きに） */
}
.reduction .backnumber_box .toggle.active::after {
  transform: rotate(-135deg);
  margin-bottom: -5px;
  /* ↖（左上） */
}
.reduction .backnumber_box .name + p::after {
  content: "";
  display: inline-block;
  margin-left: 6px;
  width: 10px;
  height: 10px;
  border-right: 1px solid #333;
  border-bottom: 1px solid #333;
  transform: rotate(45deg);
  /* ↘（右下） */
  transition: transform 0.3s ease;
}
.reduction .backnumber_box {
  /* 開いたとき（上向きに） */
}
.reduction .backnumber_box .toggle.active::after {
  transform: rotate(-135deg);
  margin-bottom: -5px;
  margin-left: 5px;
  /* ↖（左上） */
}
.reduction .backnumber_box .backnumber_contents {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  /* ふわっと出る速度 */
}
.reduction .backnumber_box .backnumber_contents.open {
  max-height: 5000px;
  /* 中身より大きめに設定 */
  opacity: 1;
}
.reduction .backnumber_box {
  /* ボタンがアクティブのとき見た目変更したい場合 */
}
.reduction .backnumber_box .btn_box.active .toggle {
  transform: rotate(-180deg);
  margin-bottom: -5px;
  margin-left: 5px;
  /* ↖（左上） */
}
.reduction .backnumber_box.end {
  margin-bottom: 100px;
}

.group-profile {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  justify-content: space-between;
  padding: 0 0 100px;
}
.group-profile h2 {
  font-size: 3em;
  font-weight: 600;
  margin-bottom: 30px;
}
.group-profile h3 {
  margin-bottom: 10px;
}
.group-profile h3 img {
  width: 100%;
  height: auto;
}
.group-profile h3.logo1 {
  padding-top: 86px;
  max-width: 303px;
}
.group-profile h3.logo2 {
  max-width: 265px;
}
.group-profile h3.logo3 {
  max-width: 507px;
}
.group-profile .origin-box {
  margin-bottom: 80px;
}
.group-profile .origin-box h3 {
  margin-bottom: 40px;
}
.group-profile .origin-box h3 span {
  font-size: 2.4em;
  font-weight: 600;
  border-bottom: 1px solid #323232;
}
.group-profile .origin-box .origin-text {
  font-size: 2em;
  line-height: 1.75;
  color: #323232;
  font-weight: 700;
}
.group-profile .origin-box .origin-text span {
  font-size: 2.6rem;
  color: #013686;
}
.group-profile .origin-box .note {
  font-size: 1.4rem;
  color: #323232;
  font-weight: 400;
  margin-top: 26px;
}
.group-profile dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  /* 左列を固定幅・右列を可変幅 */
  /* 行の間隔 */
  border-top: 1px solid #d1d1d1;
  width: 100%;
}
.group-profile dl dt {
  font-weight: 600;
  font-size: 1.6em;
  line-height: 1.75;
  background-color: #efeff2;
  color: #013686;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1em 0;
}
.group-profile dl dd {
  padding-left: 50px;
  font-size: 1.6em;
  line-height: 1.75;
  color: #323232;
  padding: 1em 0 1em 3em;
  border-left: 1px solid #d1d1d1;
}
.group-profile dl dd .mb20 {
  margin-bottom: 20px;
}
.group-profile dl dd.officer {
  line-height: 2;
}
.group-profile dl dd.officer span {
  display: inline-block;
  width: 8em;
}
.group-profile dl dd.officer2 {
  line-height: 2;
}
.group-profile dl dd.officer2 span {
  display: inline-block;
  width: 10em;
}
.group-profile dl.end {
  border-bottom: 1px solid #d1d1d1;
}
.group-profile .second {
  border-top: none;
  padding: 0 0 25px;
}

.group-profile.top {
  padding: 0 100px;
}

/* タブレット用）の記述
========================================================= */
@media screen and (min-width: 480px) and (max-width: 1225px) {
  .shareholders-meeting {
    width: 90%;
    margin: 0 auto 100px;
  }
}
/* スマホ用）の記述
========================================================= */
@media screen and (max-width: 479px) {
  /* 479px以下用（スマートフォン用）の記述 */
  .sp {
    display: block;
  }
  .pc {
    display: none;
  }
  header {
    max-height: 45px;
  }
  main {
    padding: 45px 0 0 0;
  }
  .btn_box {
    width: 90%;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 30px auto 0;
  }
  .btn_box li {
    width: 48%;
    text-align: center;
    margin: 1%;
    font-size: 1.4em;
    font-weight: 600;
    padding: 0.75em 0;
    border: 1px solid #013686;
    cursor: pointer;
    background: #fff;
    color: #013686;
  }
  .btn_box li.active {
    background: #013686;
    color: #fff;
  }
  .btn_box li:hover {
    background: #013686;
    color: #fff;
  }
  .btn_box li:last-child {
    margin-right: 0;
  }
  .contents {
    width: 90%;
    margin: 0 auto;
    padding: 30px 0;
    box-sizing: border-box;
  }
  .basic,
  .status {
    width: 90%;
    margin: 0 auto;
    padding: 30px 0 20px;
  }
  .basic h2,
  .status h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-bottom: 20px;
  }
  .basic h2 .sub,
  .status h2 .sub {
    font-size: 1.5rem;
    font-weight: 400;
    margin-left: 5px;
  }
  .basic dl,
  .status dl {
    display: flex;
    width: 100%;
    margin: 0;
    border-top: 1px solid #d1d1d1;
  }
  .basic dl dt,
  .status dl dt {
    padding: 10px 0;
    width: 17%;
    min-width: 9.5em;
    font-weight: 600;
    font-size: 1.4em;
    line-height: 1.75;
    color: #013686;
    display: flex;
    justify-content: center;
    /* 横方向を中央に */
    align-items: center;
    /* 縦方向を中央に */
    background-color: #efeff2;
  }
  .basic dl dd,
  .status dl dd {
    width: 78%;
    padding: 10px 0 10px 10px;
    font-size: 1.4em;
    line-height: 1.75;
    color: #323232;
    background-color: #fff;
  }
  .basic dl.end,
  .status dl.end {
    border-bottom: 1px solid #d1d1d1;
  }
  .basic .second,
  .status .second {
    border-top: none;
  }
  .basic .second dt,
  .status .second dt {
    padding: 5px 0 0;
  }
  .basic .second dd,
  .status .second dd {
    padding: 5px 0 25px 57px;
  }
  .treasury {
    width: 90%;
    margin: 0 auto;
    padding: 30px 0 20px;
    justify-content: space-between;
  }
  .treasury h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-bottom: 20px;
  }
  .treasury table {
    width: 100%;
    margin: 0 auto;
    border-top: 1px solid #c2c2c2;
  }
  .treasury table tr {
    border-bottom: 1px solid #c2c2c2;
  }
  .treasury table tr th,
  .treasury table tr td {
    padding: 0;
    text-align: center;
    font-size: 1.4em;
    line-height: 1.75;
    color: #323232;
  }
  .treasury table tr th {
    width: 33%;
    min-width: 33%;
    font-weight: 600;
    padding: 0.25em 0;
    text-align: center;
    background-color: #efeff2;
    border-right: #c2c2c2 1px solid;
    border-bottom: #c2c2c2 1px solid;
    color: #013686;
  }
  .treasury table tr th.pc_only {
    display: none;
  }
  .treasury table tr th.time {
    width: 37%;
  }
  .treasury table tr th.end {
    border-right: none;
  }
  .treasury table tr td {
    padding: 0.25em 0;
    border-right: #c2c2c2 1px solid;
    border-bottom: #c2c2c2 1px solid;
  }
  .treasury table tr td.pc_only {
    display: none;
  }
  .treasury table tr td.end {
    border-right: none;
  }
  .treasury table tr.total {
    border-top: 2px solid #c2c2c2;
  }
  .treasury table tr.total td {
    padding: 0.5em 0;
  }
  .treasury table.method {
    border: none;
    border-top: 1px solid #c2c2c2;
    margin-bottom: 35px;
  }
  .treasury table.method tr th {
    width: 37%;
    min-width: 37%;
  }
  .treasury table.method tr td {
    text-align: left;
    padding: 1em;
    border-right: none;
  }
  .shareholders-meeting {
    width: 90%;
    margin: 0 auto;
    padding: 30px 0 0;
    justify-content: space-between;
  }
  .shareholders-meeting h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-bottom: 20px;
  }
  .shareholders-meeting .list {
    width: 100%;
    margin: 0 auto;
    padding: 0 0 20px;
    justify-content: space-between;
  }
  .shareholders-meeting .list h2 {
    font-size: 3em;
    font-weight: 600;
    margin-bottom: 25px;
  }
  .shareholders-meeting .list .origin-box {
    margin-bottom: 40px;
  }
  .shareholders-meeting .list .origin-box h3 {
    margin-bottom: 40px;
  }
  .shareholders-meeting .list .origin-box h3 span {
    font-size: 2.4em;
    font-weight: 600;
    border-bottom: 1px solid #323232;
  }
  .shareholders-meeting .list .origin-box .origin-text {
    font-size: 2em;
    line-height: 1.75;
    color: #323232;
    font-weight: 700;
  }
  .shareholders-meeting .list .origin-box .origin-text span {
    font-size: 2.6rem;
    color: #013686;
  }
  .shareholders-meeting .list .origin-box .note {
    font-size: 1.6rem;
    line-height: 2;
    color: #323232;
    font-weight: 400;
    margin-top: 26px;
  }
  .shareholders-meeting .list dl {
    display: flex;
    width: 100%;
    padding: 1.5em 0;
    border-top: 1px solid #d1d1d1;
  }
  .shareholders-meeting .list dl dt {
    margin-left: 0;
    width: 17%;
    min-width: 100px;
    font-weight: 400;
    font-size: 1.3em;
    line-height: 1.75;
    align-items: center;
    color: #323232;
  }
  .shareholders-meeting .list dl dd {
    display: block;
    margin-left: 10px;
    font-size: 1.4em;
    line-height: 1.75;
    color: #323232;
  }
  .shareholders-meeting .list dl dd .type_set {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  .shareholders-meeting .list dl dd .type_set .type {
    float: left;
    display: block;
    background-color: #efeff2;
    color: #013686;
    text-align: center;
    width: 5.5em;
    margin: 0;
    padding: 0.1em 0;
    font-size: 1.1rem;
    font-weight: 600;
  }
  .shareholders-meeting .list dl.end {
    border-bottom: 1px solid #d1d1d1;
  }
  .shareholders-meeting .list .second {
    border-top: none;
    padding: 0 0 25px;
  }
  .reduction {
    width: 90%;
    margin: 0 auto;
    padding: 30px 0 0;
    justify-content: space-between;
  }
  .reduction h2 {
    font-size: 1.8em;
    font-weight: 600;
    margin-bottom: 20px;
  }
  .reduction .reed_text {
    margin-bottom: 30px;
  }
  .reduction .reed_text dt {
    font-size: 1.4em;
    font-weight: 600;
    margin: 15px 0;
  }
  .reduction .reed_text dd {
    font-size: 1.4em;
    font-weight: 400;
  }
  .reduction .reed_text dd.text {
    font-size: 1.4em;
    font-weight: 400;
    line-height: 1.75;
    margin-top: 30px;
  }
  .reduction .text-box {
    margin-bottom: 40px;
  }
  .reduction .text-box .text {
    font-size: 1.4em;
    line-height: 1.75;
    margin-bottom: 30px;
  }
  .reduction table {
    width: 100%;
    margin: 0 0 50px 0;
  }
  .reduction table tr {
    border-bottom: 1px solid #d1d1d1;
  }
  .reduction table tr th,
  .reduction table tr td {
    padding: 0;
    text-align: center;
    font-size: 1.4em;
    line-height: 1.75;
    color: #323232;
  }
  .reduction table tr th {
    width: 20%;
    min-width: 60px;
    font-weight: 600;
    padding: 0.25em 0;
    font-size: 13px;
    text-align: center;
    background-color: #efeff2;
    border-right: #c2c2c2 1px solid;
    border-top: #c2c2c2 1px solid;
    border-bottom: #c2c2c2 1px solid;
    color: #013686;
  }
  .reduction table tr th.monthly {
    width: 15%;
    min-width: 50px;
    background-color: #fff;
  }
  .reduction table tr th.end {
    border-left: 1px solid #c2c2c2;
    border-right: none;
  }
  .reduction table tr th.held {
    width: 20%;
  }
  .reduction table tr th.card {
    width: 14%;
  }
  .reduction table tr th.pc_only {
    display: none;
  }
  .reduction table tr td {
    padding: 0.25em 0;
    border-right: #c2c2c2 1px solid;
    border-bottom: #c2c2c2 1px solid;
  }
  .reduction table tr td.end {
    border-right: none;
  }
  .reduction table tr td .endkabu {
    margin-right: 6em;
  }
  .reduction table tr td .note {
    font-size: 1rem;
    line-height: 1.5;
  }
  .reduction table tr td.dividend {
    width: 10%;
    font-size: 1em;
  }
  .reduction table tr td.pc_only {
    display: none;
  }
  .reduction table tr.end {
    border-bottom: 1px solid #c2c2c2;
  }
  .reduction table.first {
    margin: 0 0 50px 0;
  }
  .reduction table.method {
    border: none;
    border-top: 1px solid #c2c2c2;
    margin-bottom: 35px;
  }
  .reduction table.method tr th {
    width: 37%;
    min-width: 37%;
  }
  .reduction table.method tr td {
    text-align: left;
    padding: 1em;
    border-right: none;
  }
  .reduction .backnumber_box {
    margin-bottom: 20px;
  }
  .reduction .backnumber_box .btn_box {
    display: flex;
    margin-right: 50px;
    margin: 0;
    font-size: 1.4rem;
    color: #013686;
    text-decoration: underline;
    justify-content: flex-start;
  }
  .reduction .backnumber_box .btn + p {
    display: inline-flex;
    align-items: center;
    /* ← 縦中央揃え */
  }
  .reduction .backnumber_box .toggle {
    margin-left: 5px;
    cursor: pointer;
    color: #013686;
    text-decoration: underline;
  }
  .reduction .backnumber_box {
    /* 開いたとき（上向きに） */
  }
  .reduction .backnumber_box .toggle.active::after {
    transform: rotate(-135deg);
    margin-bottom: -5px;
    /* ↖（左上） */
  }
  .reduction .backnumber_box .name + p::after {
    content: "";
    display: inline-block;
    margin-left: 6px;
    width: 10px;
    height: 10px;
    border-right: 1px solid #333;
    border-bottom: 1px solid #333;
    transform: rotate(45deg);
    /* ↘（右下） */
    transition: transform 0.3s ease;
  }
  .reduction .backnumber_box {
    /* 開いたとき（上向きに） */
  }
  .reduction .backnumber_box .toggle.active::after {
    transform: rotate(-135deg);
    margin-bottom: -5px;
    margin-left: 5px;
    /* ↖（左上） */
  }
  .reduction .backnumber_box .backnumber_contents {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s ease;
    /* ふわっと出る速度 */
  }
  .reduction .backnumber_box .backnumber_contents.open {
    max-height: 5000px;
    /* 中身より大きめに設定 */
    opacity: 1;
  }
  .reduction .backnumber_box {
    /* ボタンがアクティブのとき見た目変更したい場合 */
  }
  .reduction .backnumber_box .btn_box.active .toggle {
    transform: rotate(-180deg);
    margin-bottom: -5px;
    margin-left: 5px;
    /* ↖（左上） */
  }
  .reduction .backnumber_box.end {
    margin-bottom: 50px;
  }
  /* フッター設定 */
  #footer_wrapper {
    text-align: center;
    width: 100%;
    margin: 30px 0;
    font-size: 14px;
  }
}