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.read-more-3 {
    position: relative;
}

.read-more-3 p {
    position: relative;
    max-height: 200px; /* 開く前に見せたい高さを指定 */
    margin-bottom: 10px;
    overflow: hidden;
}

.read-more-3:has(:checked) p {
    max-height: 400vh;
}

.read-more-3 p::after {
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, hsla(0, 0%, 100%, 0) 0, hsla(0, 0%, 100%, .9) 50%, hsla(0, 0%, 100%, .9) 0, #fff);
    content: '';
}

.read-more-3:has(:checked) p::after {
    content: none;
}

.read-more-3 label {
    display: flex;
    align-items: center;
    gap: 0 4px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    padding: .4em 1.2em;
    border-radius: 100px;
    background-color: #696969;
    color: #fff;
    font-size: .7em;
}

.read-more-3 label:hover {
    border:1px solid #696969;
    background-color: #fff;
    color: #696969;
    cursor: pointer;
}

.read-more-3:has(:checked) label {
    display: none;
}

.read-more-3 label::after {
    display: inline-block;
    width: 10px;
    height: 5px;
    background-color: #fff;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    content: '';
}

.read-more-3 label:hover::after{
    background-color: #25c5d0;
}

.read-more-3 input {
    display: none;
}

.div-1 {
        background-color: #efffff;
    }


.heading-21 {
    position: relative;
    padding: .5em .7em .4em;
    border-bottom: 3px solid #d06925;
    color: #872f12;
}

.heading-21::before,
.heading-21::after {
    position: absolute;
    left: 30px;
    bottom: -15px;
    width: 30px;
    height: 15px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    content: '';
}

.heading-21::before {
    background-color: #d06925;
}

.heading-21::after {
    bottom: -11px;
    background-color: #ffffff;
}

.table_design06 {
  border-collapse: collapse;
  width: 100%;
  max-width: 700px;
}
.table_design06 th, .table_design06 td {
  padding: 1em;
}
.table_design06 th {
  font-weight: bold;
  text-align: left;
  width: 20%;
  min-width: 4em;
  padding-right: 3em;
  position: relative;
}
.table_design06 th::after {
  content: '・・';
  color: #4d9bc1;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

table {
    border-collapse:  collapse; /* セルの線を重ねる */
}

tr:nth-child(odd) {
    background-color:  #eff;    /* 背景色指定 */
}

th,td {
    padding: 5px 10px;          /* 余白指定 */
}

.box-020 {
    position: relative;
    max-width: 90%;
    margin: 0 auto;
    padding: 1em 1.5em;
    background-color: #d6ffdd;
    color: #333;
}

.box-020::after {
    position: absolute;
    top: 0;
    right: 0;
    border-width: 0 20px 20px 0;
    border-style: solid;
    border-color: #b6dfbd #fff;
    box-shadow: -1px 1px 1px rgb(0 0 0 / 5%);
    content: '';
}


.box-021 {
    position: relative;
    max-width: 90%;
    margin: 0 auto;
    padding: 1em 1.5em;
    background-color: #fdfbc9;
    color: #333;
}

.box-021::after {
    position: absolute;
    top: 0;
    right: 0;
    border-width: 0 20px 20px 0;
    border-style: solid;
    border-color: #dddba9 #fff;
    box-shadow: -1px 1px 1px rgb(0 0 0 / 5%);
    content: '';
}


.article {
  padding: 25px;
  background-color: #efffff;
}
.article img {
  max-width: 50%;
  height: auto;
  float: left;
  margin: 0 20px 10px 0;
  vertical-align: bottom;
}
.article h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}
.article p {
  margin: 20px 0 0 0;
  line-height: 1.6;
}
.article::after {
  content: "";
  display: block;
  clear: both;
}


.example{
    display: flex;
    background: #ffffff;
    border: 1px solid #fff;
    padding: 10px;
}
.example>div{
    width: 50%;
    background: #efefef;
    border: 1px solid #ff;
    padding: 10px;
}


.button-3 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 250px;
    margin:0 auto;
    padding: .9em 2em;
    border: none;
    border-radius: 5px;
    box-shadow: 0 2px 3px rgb(0 0 0 / 25%), 0 2px 3px -2px rgb(0 0 0 / 15%);
    background-color: #c8946a;
    color: #fff;
    font-weight: 600;
    font-size: 1em;
}

.button-3:hover {
    background-color: #b8845a;
}


.heading-38 {
    position: relative;
    padding: .5em 1.2em;
    color: #333333;
}

.heading-38::before,
.heading-38::after {
    display: inline-block;
    position: absolute;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border: 2px solid #e5872e;
    content: '';
}

.heading-38::before {
    top: calc(50% - 3px);
    left: 0;
}

.heading-38::after {
    top: calc(50% + 3px);
    left: 5px;
}


summary {
  cursor: pointer;
  font-weight: bold;
}

details[open] summary {
  color: blue;
}