@charset "utf-8";
/* CSS Document */
/*=================
common layout
=================*/
html {
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
}
html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  font-family: "ヒラギノ角ゴ W3 JIS2004", "Hiragino Kaku Gothic W3 JIS2004", Sans-Serif;
  line-height: 1.5;
  color: #333;
  text-align: left;
  box-sizing: border-box;
}
/* img, object, embed, video {
} */


@media screen and (max-width:959px) {
  .header-area {
    position: static;
    display: block;
    height: auto;
  }
  .box-page-title-area {
    position: static;
    display: block;
    top: 0;
    margin: 1em 1em 0;
    font-family: "ヒラギノ明朝 W3 JIS2004", "Hiragino Mincho W3 JIS2004",serif;
  }
}

nav {
  font-family: "ヒラギノ明朝 W3 JIS2004", "Hiragino Mincho W3 JIS2004",serif;
  width: 100%;
  margin: 0 auto;
  padding-bottom: 10px;
  border-bottom: 2px solid #90A4C6;
}

main {
  max-width: 1000px;
  margin: auto;
  padding-top: 30px;
  background-color: #fff
}
main p {
  display: inline-block;
  text-align: left;
}
main ul {
  padding-left: 30px;
}
@media screen and (max-width:959px) {
  main {
    padding-top: 0;
  }
  main ul {
    padding-left: 15px;
  }
}
@media screen and (max-width:599px) {
  main ul {
    padding-left: 0;
  }
}

section {
  margin: 60px 0 40px;
  padding: 0 40px;
}
@media screen and (max-width:959px) {
  section {
    margin-bottom: 80px;
    padding-left: 25px;
  }
}
@media screen and (max-width:599px) {
  section {
    padding: 0 15px;
    margin-bottom: 60px;
  }
}

.footer {
  position:relative;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto 0 0;
  background-color: #eee;
  height: 100px;
}
.footer-content {
  padding-top: 15px;
}
.img-logo {
 /* height: 30px;*/
	width: 150px;
	height: 45px;
}
.copyright {
  margin-top: .5em;
  font-size: .75em;
  color: #777;
}

*:focus {
  outline: none;
}

/*=================
 Heading
=================*/
h1, h2, h3, h4, h5 {
  font-family: "ヒラギノ角ゴ W5 JIS2004", "Hiragino Kaku Gothic W5 JIS2004", Sans-Serif;
  line-height: 1.3;
  vertical-align: baseline;
}

h1 {
	font-size: 1.4rem;
	padding: 1rem;
	color: #fff;
  background: #043491;
  text-align: center;
}
h2 {
  letter-spacing: 1px;
  font-size           : 1.2rem;
  color               : #333;
  text-align          : left;
	border-left		:6px solid #043491;
  font-weight         : 700;
	padding:4px 1px 4px 0.4em;
	clear:both;
}
.content-title {
  padding-left: 0.9em;
}

h3 {
  text-align     : left;	
	letter-spacing	:1px;
	font-size		:16px;
	font-weight: 700;
	color : #333;
	padding:4px 1px 4px 20px;
	clear:both;
  position: relative;
}
.point-heading:before {
  position: absolute;
  content: "";
  width: 1em;
  height: 1em;
  top: 4px;
  left: 0;
  background-image: url("../img/circle-dot-solid-pink.svg");
  background-size: contain;
}
h4 {
	text-align     : left;
	letter-spacing	:1px;
	font-size		:14px;
	font-weight:700;
	color:#0000ff;
	margin-bottom:2px;
	padding-bottom:0px;
}
h5 {
  text-align     : left;
	letter-spacing	:1px;
	font-size		:16px;
	font-weight: 700;
	color:#06C;
	margin-bottom:2px;
	padding-bottom:0px;
}
h6 {
	font-size: 1rem;
	font-weight: 700;
	background: #f5f5f5;
	padding: 0.5rem;
}

@media screen and (max-width:959px) {

  h1 {
   text-align: center;
  }
}

/*=================
link
=================*/
a {
  transition: all .2s ease;
  text-decoration: none;
  color: #043491;
}
a:hover {
  color: #551a8b;
  opacity: 0.8;
  text-decoration: underline;
  background-color: #e1e7f1;
}

/*=================
text
=================*/
p {
  color: #333;
}
hr {
  border: none;
  border-top: 2px dotted #ababab;
  margin: 40px 0;
}
@media screen and (max-width:599px) {
  hr {
    margin: 30px 0;
  }
}
sup {
	font-size: 70%;
	vertical-align: top;
	position: relative;
	top: -0.1em;
}
sub {
	font-size: 70%;
	vertical-align: bottom;
	position: relative;
	bottom: -0.1em;
}
.bold {
	font-family: "ヒラギノ角ゴ W5 JIS2004", "Hiragino Kaku Gothic W5 JIS2004",serif;
	font-weight: 700;
}
.under {
  text-decoration: underline;
}
.box{
  padding: 0 3px;
  border: 1px solid #ababab;
}
.box-blue {
  padding: 3px 15px;
  color: #fff;
  background-color: rgb(4, 52, 145);
  border-radius: 20px;
}
.red {
  color: red;
}
.blue {
  color: blue;
}
.z-blue {
  color: #043491;
}
.yellow {
  color: #ffa500;
}
.green {
  color: #008000;
}
.pink {
  color: #ea6088;
}
.gray {
  color: #a9a9a9;
}
.text-note {
  font-size: .84em;
  margin: 0 0 3px 1em;
  text-indent: -1em;
  color: #555;
  line-height: 1.2;
}
.text-circle {
  position: relative;
}
.text-circle:before {
  position: absolute;
  content: "";
  width: 1em;
  height: 1em;
  top: 2.5px;
  left: -20px;
  background-image: url("../img/circle-dot-solid-blue.svg");
  background-size: contain;
}
.min {
	font-family: "ヒラギノ明朝 W3 JIS2004", "Hiragino Mincho W3 JIS2004",serif;
}

.flex-ex {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.9em;
}
.box-ex {
  color: #fff;
  background-color: #043491;
  border-radius: 8px;
  padding: 1px 10px 0;
  line-height: 1.5;
}

/* ===================================================
 pagetop
   ================================================ */

.pagetop {
  display: none;
  position: fixed;
  right: 50px;
  bottom: 50px;
  z-index: 99;
}
.pagetop a {
  display: block;
  font-size: 0;
  width: 50px;
  height: 50px;
  text-align: center;
  background: #043491;
  border-radius: 2px;
  line-height: 50px;
}
.pagetop a i {
  font-size: 25px;
  color: #fff;
  line-height: 50px;
}
@media screen and (max-width:959px) {
  .pagetop {
    right: 40px;
  }
}
@media screen and (max-width:599px) {
  .pagetop {
    bottom: 0;
    right: 0;
  }
}

/* ===================================================
guide仕様
   ================================================ */
ul, ol {
  list-style: none;
  width: auto;
  line-height: 2;
}

.page-title {
  border: 2px solid #043491;
  border-radius: 4px;
  box-shadow: 0 4px 4px #00000040;
}
@media screen and (max-width:959px) {
  .page-title {
    border-radius: 0;
  }
}

/*チャプター*/
.chapter-area {
  width: 100%;
  background-color: #fff;
  display: flex;
  justify-content:space-between;
  align-items:first baseline;
  gap: 6%;
}
.chapter {
  min-width: 100%;
  text-align: left;
  background-color: #e1e7f1;
  border: 2px solid #e1e7f1;
  border-radius: 4px;
  transition: all .2s ease;
}
.chapter:hover {
  background-color: #043491;
  border: 2px solid #043491;
  color: #fff;
}
.chapter-left, .chapter-right {
  flex: 1;
}

.chapter_title {
  vertical-align: middle;
  text-align: center;
  height: 100%;
}
.chapter_title > a {
  display: block;
  width: 100%;
  color: #333;
  padding: 2px 0;
}
.chapter:hover .chapter_title > a {
  color: #fff;
  text-decoration: none;
  background-color: transparent;
  opacity: 1;
}
.chapter_title-no {
  display:inline-block;
  margin-left: 30px;
  margin-right: 20px;
  font-size: 1rem;
  vertical-align:baseline;
  border-bottom: 1px dotted #333;
}
.chapter:hover .chapter_title-no {
  border-bottom: 1px dotted #fff;
}
.chapter_title-text {
  line-height: 2;
  font-size: 1.2rem;
  vertical-align:middle;
}

.chapter_contents {
  display:table-cell;
  padding: 10px 20px 10px 30px;
  vertical-align:middle;
  background-color: #fff;
  display: flex;
}
.chapter_contents_list {
  height: 100%;
  vertical-align: middle;
  color: #333;
}
.chapter_contents_sublist {
  margin-left: 40px;
  padding-left: 15px;
  font-size: 14px;
}
.sublist_flex {
  display: flex;
}
.sublist_flex_r {
  position: relative;
}
.chapter_contents_sublist::before {
  content:"―";
  color: #333;
  position: absolute;
  left: 35px;
}

.point-list {
  padding-left: 10px;
  line-height: 1.6;
}
@media screen and (max-width:599px) {
  .point-list {
    padding-left: 0px;
  }
}

.lh1 {
  line-height: 1.2;
  margin: 7px 0;
}
.lh2 {
  line-height: 1.4;
  margin: 7px 0;
}

/*PDFアイコン*/
.pdf_icon {
  position: relative;
  margin-right: 35px;
}
.pdf_icon::after {
  position: absolute;
  top: 3px;
  right: -28px;
  content: url("../image/icon_pdf.gif");
}
.pdf_icon_sub {
  position: relative;
  margin-right: 35px;
}
.pdf_icon_sub::after {
  position: absolute;
  top: 0;
  right: -28px;
  content: url("../image/icon_pdf.gif");
}

/* HOME  */
.home {
	font-size: 1.8rem;
	font-family: "ヒラギノ角ゴ W3 JIS2004", "Hiragino Kaku Gothic W3 JIS2004",serif;
}

/*蛍光ライン*/
.marker_blue {
  background: linear-gradient(transparent 65%, #c1e0ff 65%, #c1e0ff 90%,transparent 90%);
}
.marker_red {
  background: linear-gradient(transparent 65%, #ffdad3 60%, #ffdad3 90%,transparent 90%);
}
/*蛍光ラインjs用*/
.slide-marker {
  background-repeat: no-repeat;
  background-size: 0% 100%;
  transition: background-size 1s ease;
}
.slide-marker.active {
  background-size: 100% 100%;
}

/*分数表示*/
.fraction {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  text-align: center;
  margin: 0 5px;
}
.fraction_top {
  padding: 0 5px;
  border-bottom: solid 1px #333;
}
.fraction_bottom {
  padding: 0 5px;
}

/*pc非表示*/
.tabmax_only {
  display: none;
}
.sp_only {
  display: none;
}

@media screen and (max-width:599px) {
	.subject ul li {
		display: block;
		padding-left: 15px;
		padding-top: 10px;
		line-height: 1.6;
	}
	.hlogo {
		width: 120px;
	}
  
  /*ナビゲーションメニュー*/
  .menu-list > li::after {
    display: none;
  }
  .menu-list li a {
    padding: 0.5rem;
  }
  .sub-menu {
    width: 130px;
  }
  .so-menu > ul:last-child {
    left: auto;
    right: 0;
  }
}

/* ===================================================
guidepage flexbox
  ================================================ */
.guide-points {
  margin-left: 15px;
}

.guide-points-flex {
  display: flex;
  flex-direction: column;
  border: 1px solid #ababab;
}
.guide-points-flex:last-child {
  border-bottom: 1px solid #ababab;
}

.guide-points-flex > p {

  padding: 10px 30px;
  background-color: #f5f5f5;
  border-bottom: 1px dotted #ababab;
  font-weight: 700;
}
.guide-points-flex > div {
  padding: 30px 50px 50px;
}
@media screen and (max-width: 959px) {
  .guide-points-flex{
    min-width: 0;
  }
  .guide-points-flex > p {
    width: calc(100% - 20px);
    padding: 5px 10px;
    border-right: 1px solid #ababab;
    border-bottom: 1px dotted #ababab;
  }
  .guide-points-flex:nth-child(1) > p, .guide-points-flex:nth-child(3) > p, .guide-points-flex:nth-child(4) > p {
    padding: 5px 10px;
  }
  .guide-points-flex > div {
    padding: 20px 15px 50px;
  }
}
@media screen and (max-width: 599px) {
  .guide-points {
    margin-left: 0;
  }
  .guide-points-flex > div {
    padding: 15px 10px 20px;
  }
}

/* ===================================================
accordion
  ================================================ */
.accordion-tag {
  position: relative;
  padding: 5px 40px 5px 10px;
  color: #fff;
  background-color: #043491;
  border-radius: 5px;
  transition: all .2s ease;
  margin-bottom: -1px;
}
.accordion-tag:hover {
  cursor: pointer;
}
.accordion-tag::before {
  position: absolute;
  content: '';
	width: 16px;
	height: 2px;
  top: 16px;
  right: 10px;
  background-color: #fff;
}
.accordion-tag::after {
  position: absolute;
  content: '';
	width: 2px;
	height: 16px;
  top: 9px;
  right: 17px;
  background-color: #fff;
  transition: all .3s ease;
  
}
.accordion-tag.open {
  border-radius: 5px 5px 0 0;
}
.accordion-tag.open::after {
  transform: scale(0);
  transform-origin: center;
}
.pdchara-list {
  display: none;
  padding: 0 20px 20px 40px;
  border: 1px solid #a9a9a9;
}
@media screen and (max-width:959px) {
  .pdchara-list {
    padding-left: 30px;
    padding-right: 5px;
  }
}
@media screen and (max-width:599px) {
  .pdchara-list {
    padding-left: 5px;
    padding-right: 10px;
  }
}

.pdchara-list li {
  margin-top: 20px;
}
@media screen and (max-width: 959px) {
  .pdchara-list li {
    padding-left: 0.5em;
  }
}
@media screen and (max-width: 599px) {
  .pdchara-list li {
    padding-left: 1.5em;
  }
}
.pdchara-list li p {
  line-height: 1.5;
}



/*=================
image
=================*/
img {
  vertical-align: bottom;
  width: 100%;
}
.img-guide {
  width: 70%;
  outline: 1px solid #aaaaaa;
}
@media screen and (max-width: 959px) {
  .img-guide {
    width: 100%;
  }
}

.guide-points-img {
  margin: 0 15px;
  width: 80%;
}
@media screen and (max-width:959px) {
  .guide-points-img {
    width: calc(100% - 2px);
    margin: 0;
  }
}
.guide-points-img img {
  border: 1px solid #aaaaaa;
}

.note {
  margin-left: 20px;
}
@media screen and (max-width:599px) {
  .note {
    margin-left: 0;
  }
}

.branch-guide {
  position: relative;
  padding: 30px 15px 20px;
}
@media screen and (max-width:959px) {
  .branch-guide {
    padding-right: 0;
  }
}
@media screen and (max-width:599px) {
  .branch-guide {
    padding-top: 50px;
    margin-bottom: 50px;
    padding-left: 0;
  }
}

.balloon-01, .balloon-02 {
  position: absolute;
  content: "";
  height: auto;
  padding: 10px 20px;
  background-color: #fff;
  border: 2px solid #ea6088;
  border-radius: 10px
}
.balloon-01 {
  width: 310px;
  top: 140px;
  left: 470px;
}
.balloon-01:before {
  position: absolute;
  content: "";
  background-color:#ea6088;
  clip-path: polygon(100% 10%, 0 50%, 100% 90%);
  width: 30px;
  height: 30px;
  top: 20px;
  left: -31px;
}

.balloon-02 {
  width: 370px;
  top: 237px;
  left: 470px;
}
.balloon-02:before {
  position: absolute;
  content: "";
  background-color:#ea6088;
  clip-path: polygon(100% 10%, 0 50%, 100% 90%);
  width: 30px;
  height: 30px;
  top: 18px;
  left: -31px;
}
@media screen and (max-width:959px) {
  .balloon-01, .balloon-02 {
    font-size: 0.9em;
  }
  .balloon-01 {
    width: 275px;
    top: 23%;
    left: 49%;
    transform: translate(-50%, -50%);
  }
  .balloon-01:before {
    transform: rotate(-90deg);
    top: 64px;
    left: 46%;
  }

  .balloon-02 {
    width: 332px;
    top: 90%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .balloon-02:before {
    transform: rotate(90deg);
    top: -30px;
    left: 45%;
  }
}
@media screen and (max-width:599px) {
  .balloon-01, .balloon-02 {
    padding: 10px 7px;
    max-width: 100%;
  }
  .balloon-01 {
    top: 21%;
    left: 50%;
  }
  .balloon-01:before {
    left: 43%;
  }
  .balloon-02 {
    top: 99%;
    left: 50%;
  }
  .balloon-02:before {
    left: 44%;
  }
}

/* アイコン */
.required-icon {
  width: 2.8em;
}
.help-icon {
  width: 1.6em;
  border: none;
}

.box-image-area {
  margin: 1em 0 2em;
  text-align: center;
}
.img-base {
  width: 100%;
}
.img-large {
  width: 80%;
  height: auto;
}
.img-middle {
  width: 50%;
  height: auto;
}
.img-small {
  width: 35%;
  height: auto;
}
.img-xsmall {
  width: 18%;
  height: auto;
}
.float-r {
  float: right;
  margin-left: 1em;
}
.float-l {
  float: left;
  margin-right: 1em;
}
.img-size-s {
  width: 20%;
}
.clearfix:after {
  display: block;
  clear: both;
  content: "";
}

/*-- Height --*/
.HAuto {
  height: auto;
}
/*-- Margin --*/
.M0 {
  margin: 0 !important;
}
.MT0 {
  margin-top: 0 !important;
}
/*MT4：微調整用*/
.MT4 {
  margin-top: 4px !important;
}
.MT5 {
  margin-top: 5px !important;
}
.MT10 {
  margin-top: 10px !important;
}
.MT15 {
  margin-top: 15px !important;
}
.MT20 {
  margin-top: 20px !important;
}
.MT25 {
  margin-top: 25px !important;
}
.MT30 {
  margin-top: 30px !important;
}
.MT35 {
  margin-top: 35px !important;
}
.MT40 {
  margin-top: 40px !important;
}
.MT45 {
  margin-top: 45px !important;
}
.MT50 {
  margin-top: 50px !important;
}
.MT55 {
  margin-top: 55px !important;
}
.MT60 {
  margin-top: 60px !important;
}
.MR5 {
  margin-right: 5px !important;
}
.MR10 {
  margin-right: 10px !important;
}
.off15 {
  margin-right: 15px !important;
}
.MR20 {
  margin-right: 20px !important;
}
.MR25 {
  margin-right: 25px !important;
}
.MR30 {
  margin-right: 30px !important;
}
.MB0 {
  margin-bottom: 0px !important;
}
.MB5 {
  margin-bottom: 5px !important;
}
.MB10 {
  margin-bottom: 10px !important;
}
.MB15 {
  margin-bottom: 15px !important;
}
.MB20 {
  margin-bottom: 20px !important;
}
.MB25 {
  margin-bottom: 25px !important;
}
.MB30 {
  margin-bottom: 30px !important;
}
.MB35 {
  margin-bottom: 35px !important;
}
.MB40 {
  margin-bottom: 40px !important;
}
.MB45 {
  margin-bottom: 45px !important;
}
.MB50 {
  margin-bottom: 50px !important;
}
.MB55 {
  margin-bottom: 55px !important;
}
.MB60 {
  margin-bottom: 60px !important;
}
.ML5 {
  margin-left: 5px !important;
}
.ML10 {
  margin-left: 10px !important;
}
.ML15 {
  margin-left: 15px !important;
}
.ML20 {
  margin-left: 20px !important;
}
.ML25 {
  margin-left: 25px !important;
}
.ML30 {
  margin-left: 30px !important;
}
.ML40 {
  margin-left: 40px !important;
}
.ML70 {
  margin-left: 70px !important;
}
/* display */
.disI {
  display: inline;
}
.disB {
  display: block;
}
.disIB {
  display: inline-block;
}
.disT {
  display: table;
}
.disT > * {
  display: table-cell;
}
.disTC {
  display: table-cell;
}
.disN {
  display: none;
}
/*-- text-align --*/
.taL {
  text-align: left;
}
.taR {
  text-align: right;
}
.taC {
  text-align: center;
}
.vaT {
  vertical-align: top;
}
.vaM {
  vertical-align: middle;
}
.vaB {
  vertical-align: bottom;
}
/*-- font-size --*/
.fsxxxs {
  font-size: 0.65em;
}
.fsxxs {
  font-size: 0.8em;
}
.fsxs {
  font-size: 0.9em;
}
.fsxl {
  font-size: 1.1em;
}
.fsxxl {
  font-size: 1.2em;
}
.fsxxxl {
  font-size: 1.4em;
}
.fsxxxxl {
  font-size: 1.6em;
}
/*-- font-style --*/
.fsN {
  font-style: normal;
}
.fsI {
  font-style: italic;
}
.fwN {
  font-family: "ヒラギノ角ゴ W2 JIS2004", "Hiragino Kaku Gothic W2 JIS2004", Sans-Serif;
}
.tblLoF {
  table-layout: fixed;
}
/*-- float --*/
.flL {
  float: left;
}
.flR {
  float: right;
}
.flN {
  float: none;
}
/*-- position --*/
.posS {
  position: static;
}
.posR {
  position: relative;
}
.posA {
  position: absolute;
}
.posF {
  position: fixed;
}
*[class*="abs"] {
  display: block;
  position: absolute;
}
.posC {
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
.BDN {
  border: none;
}
/* border-radius */
.bdrds5 {
  border-radius: 5px;
}
.bdrds8 {
  border-radius: 8px;
}
.bdrds10 {
  border-radius: 10px;
}
/*-- 字下げ --*/
.att {
  text-indent: 1em;
  padding-left: -1em;
}
.pl1 {
  padding-left: 1em;
}
.pl1h {
  padding-left: 1.5em;
}
.pl2 {
  padding-left: 2em;
}
.pl2h {
  padding-left: 2.5em;
}
.pl3 {
  padding-left: 3em;
}
.pl4 {
  padding-left: 4em;
}
.ti1 {
  text-indent: -1em;
  padding-left: 1em;
}
.ti2 {
  text-indent: -2em;
  padding-left: 2em;
}
.ti3 {
  text-indent: -3em;
  padding-left: 3em;
}
.ti4 {
  text-indent: -4em;
  padding-left: 4em;
}
.ti5 {
  text-indent: -5em;
  padding-left: 5em;
}
.ti6 {
  text-indent: -6em;
  padding-left: 6em;
}
.ti7 {
  text-indent: -7em;
  padding-left: 7em;
}

/*-- word-wrap --*/
.brWord {
  word-wrap: break-word;
}
/*-- print用 --*/
.printDown {
  display: none;
}
.printBreak {
  display: none;
}
/*-- responsive用 --*/
.pcBrows {}
.spDevice {
  display: none;
}
/*-- js用 --*/
.hover, .ovr {}


/*=== メディアクエリ ===*/
@media screen and (max-width:599px) {
  /*-- Width --*/
  .spWAuto {
    width: auto;
  }
  .spW0 {
    width: 0;
  }
  .spW1P {
    width: 1%;
  }
  .spW2P {
    width: 2%;
  }
  .spW3P {
    width: 3%;
  }
  .spW4P {
    width: 4%;
  }
  .spW5P {
    width: 5%;
  }
  .spW6P {
    width: 6%;
  }
  .spW7P {
    width: 7%;
  }
  .spW8P {
    width: 8%;
  }
  .spW9P {
    width: 9%;
  }
  .spW10P {
    width: 10%;
  }
  .spW15P {
    width: 15%;
  }
  .spW20P {
    width: 20%;
  }
  .spW25P {
    width: 25%;
  }
  .spW30P {
    width: 30%;
  }
  .spW35P {
    width: 35%;
  }
  .spW40P {
    width: 40%;
  }
  .spW45P {
    width: 45%;
  }
  .spW50P {
    width: 50%;
  }
  .spW55P {
    width: 55%;
  }
  .spW60P {
    width: 60%;
  }
  .spW65P {
    width: 65%;
  }
  .spW70P {
    width: 70%;
  }
  .spW75P {
    width: 75%;
  }
  .spW80P {
    width: 80%;
  }
  .spW85P {
    width: 85%;
  }
  .spW90P {
    width: 90%;
  }
  .spW95P {
    width: 95%;
  }
  .spW100P {
    width: 100%;
  }
  .spfltL {
    float: left;
  }
  .spfltR {
    float: right;
  }
  .spfltN {
    float: none;
  }

  /*数学textbox*/
  .ma-box_01_flex {
    display: block;
  }
  .ma-box_01:first-child {
    margin-bottom: 10px;
  }
  .ma-box_01 {
    width: 14em;
    max-width: 100%;
  }

  /*理科画像縦並び*/
  .sc-image_flex {
    display: flex;
    flex-wrap: wrap;
    justify-content:center;
  }

  .border_btm {
    padding-bottom: 10px;
    border-bottom: #000 solid 1px;
  }

}



@media screen and (min-width: 1025px) {
  .header-area {
    margin: 0 auto;
  }
  .main-contents {
    width: 1024px;
    margin: 0 auto;
  }
  .logo-zkai, .btn-print {
    margin: 15px 0;
  }
  .book-title {
    font-size: 2.5vmin;
    padding: .25em 0;
  }
}
@media screen and (max-width: 959px) {
  /*tab以下非表示*/
  .pc_only {
    display: none;
  }
  /*tab以下で表示*/
  .tabmax_only {
    display: inline;
  }
}
@media screen and (max-width: 599px) {
  body {
    font-size: 1em;
  }
  .logo-area {
    flex-basis: 100%;
    text-align: center;
  }
  .title-area {
    padding: .5em 0;
    text-align: center;
  }
  .main-contents {
    padding: .5em 1em;
    flex: 1;
  }
  .page-title {
    font-size: 1.2em;
    margin-bottom: .5em;
  }
  h2 {
    font-size: 1.1em;
  }
  .box-scroll {
    overflow-x: scroll;
    white-space: nowrap;
  }
  .box-scroll table {
    width: 100%;
  }
  audio {
    width: 100%;
  }
  .select-area {
    flex-direction: column;
  }
  .btn-area {
    flex-basis: auto;
    width: 100%;
    text-align: center;
  }
  .btn-link {
    margin: 0;
    width: 100%;
  }
  .ti7 {
    text-indent: -1em;
    padding-left: 1em;
  }
  /*tab以上で表示*/
  .tabmin_only {
    display: none;
  }
  /*spのみ表示*/
  .sp_only {
    display: inline;
  }
  /*枠線設定*/
  .boxb td {
    padding: 4px 5px;

  }
  .boxc {
    padding: 2px 5px;
  }
  table.boxe td {
    padding: 0;
  }
  table.boxg td {
    padding: 0.2em;
  }
  .sc-arrow_a::after {
    transform: scale(1, 1.7);
    top: 110%;
    left: 35%;
  }
  .sc-arrow_b::after {
    transform: scale(1, 1.4);
    top: 95%;
    left: 80%;
  }
  .sc-arrow_c::after {
    transform: scale(1, 1.7);
    top: 110%;
    left: 40%;
  }

}
@media print {
  .print {
    display: none;
  }
  .box-scroll {
    page-break-after: always;
  }
}