@charset "UTF-8";
/* CSS Document */


body {
	padding:0;
	margin:0;
}


.st_wrap {
	clear: both;
	width: 94%;
    max-width: 900px;
    text-align: center;
	margin:0 auto 6%;
	font-family: "Noto Sans JP", sans-serif;
}

.st_wrap h1 {
	font-size: 30px;
    font-weight: 500;
	text-align: center;
	margin: 5% auto;
}

.st_wrap h2 {
	font-size: 28px;
    font-weight: 400;
	text-align: left;
	line-height: 1.3em;
}

.st_wrap h3 {
    font-weight: 400;
	font-size: 26px;
	text-align: left;
	margin: 7% auto 1%;
    padding: 0;
}


.st_wrap h4 {
    font-weight: 400;
	font-size: 22px;
	text-align: center;
	margin: 4% auto 3%;
    padding: 0;
}


.st_wrap p {
	margin: 2% 0;
    text-align: left;
    font-size: 14px;    
    line-height: 1.7em;
}

.lead {
	margin: 2% 0;
    text-align: left;
    font-size: 16px;    
    line-height: 1.7em;
}

.txt {
	margin: 2% auto;
    text-align: center;
    font-size: 16px;    
    line-height: 2.7em;
}

.Sml {
	font-size: 12px;
	line-height: 1.5em;
	text-align: center;
	margin: 4% 0;
}

.st_wrap img {
	width: 100%;
	vertical-align: bottom;
}

.sizegide_pic {
	width: 80%;
	max-width: 560px;
	margin: 3% auto 6%;
}

.anker-list {
	margin: 4% 0;
	display: flex;
	justify-content: flex-start;
	gap: 20px;
}

.anker-list a {
	width: auto;
	text-decoration: none;
	color: #000;
	position: relative;
	font-size: 15px;
	text-align: left;
	padding: 15px 25px 15px 0;
}

.anker-list span.arrow {
	position: absolute;
	top: 35%;
	right: 3%;
	text-align: left;
}

/*----- くの字の矢印 */
.arrow::after {
    content: "";
    display: block;
    width: 7px;
    height: 7px;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
}

/* 左向き */
.arrow.-left::after{
    transform: rotate(-135deg);
}
/* 右向き */
.arrow.-right::after{
    transform: rotate(45deg);
}
/* 上向き */
.arrow.-top::after{
    transform: rotate(-45deg);
}
/* 下向き */
.arrow.-bottom::after{
    transform: rotate(135deg);
}


.size-guide-table {
	margin: 3% 0 8%;
}

.size-guide-tr {
	padding: 3% 0;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	font-size: 14px;
}

.tr_5block .size-guide-th {
	width: 20%;
}

.tr_3block .size-guide-th {
	width: 33%;
}

.tr_2block .size-guide-th {
	width: 50%;
}

.bg-color-lightGray {
    background-color: #F0F0F0;
}



.sp {
	display:none;
}

/*アコーディオン*/

summary {
  list-style: none;
  position: relative;
  padding: 20px 0;
  cursor: pointer;
}

@media not all and (min-width: 768px){
  summary {
    padding: 10px;
  }
}

summary::-webkit-details-marker {
  display: none;
}

summary:hover,
details[open] summary {
}

summary::after {
  content: '+';
  position: absolute;
  top: 50%;
  right: 30px;
  transform: translateY(-50%);
  transition: transform 0.5s;
  font-size: 50px;
  font-weight: 200;
}

details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.answer {
  padding: 20px 30px;
}

.answer ul {
	margin: 0;
	padding: 0;
	list-style: disc;
}

@media not all and (min-width: 768px){
  summary::after {
    right: 20px;
    font-size: 30px;
  }

  .answer {
    padding: 10px 20px;
  }
}

details[open] .answer {
  animation: fadein 0.5s ease;
}

@keyframes fadein {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

details {
  margin-right: auto;
  margin-left: auto;
  width: 100%;
}

@media not all and (min-width: 640px){
  details {
    width: 100%;
  }
}

details:first-of-type {
  margin-top: 30px;
}

.bdb-1-color-lightGray2 {
	border-bottom: solid 1px #DCDCDC;
}	

@media only screen and (max-width: 750px) {

	.pc {
		display:none;
	}
	.sp {
		display:block;
	}
    
	.st_wrap {
		width: 100%;
	}
	
	.st_wrap h1 {
		font-size: 24px;
		margin: 6% auto 2%;
	}	
    
    .st_wrap h2 {
        font-size: 20px;
    }
    
    .st_wrap h3 {
        font-size: 18px;
    }
	
	.st_wrap h4 {
		font-size: 15px;
	}
    
    .st_wrap p {
        font-size: 12px;
        margin: 8px 0;
    }
    
	.lead {
		font-size: 14px;
		margin: 5% 3%;
	}
	
	.answer {
		padding: 3%;
	}
	
	.answer ul {        
		margin: 3%;
        padding: 3%;
	}
	
	.anker-list {
		gap: 10px;
	}
	
	.anker-list a {
	    font-size: 12px;
		padding: 10px 20px 10px 0;
	}

	.size-guide-tr {
		font-size: 12px;
	}
}