@charset "UTF-8";
/* 色 */
.red_txt{ color: red; }
.magenta_txt{ color: mediumvioletred; } /* magenta指定 だと色がきついので */

.gold_txt{ color: #af8f68; }

.rika_txt,
.science_txt{ color: #45b036; }
.seikatsu_txt{ color: #ee791d; }
.sansu_txt,
.math_txt{ color: #0078b9; }
.taiiku_txt,
.pe_txt{ color: #7d4798; }

.fundamental_txt{ color: #2371CB; }
.linear_txt{ color: #B35F20; }
.differential1_txt{ color: #53993D; }
.differential2_txt{ color: #A1AC21; }
.probability_txt{ color: #B79229; }
.applied_txt{ color: #711E6F; }
.transfer_txt{ color: #918877; }
.vector_txt{ color: #F39800; }

.gold_bg{ background-color: #EFECE5; }
.gold_light_bg{ background-color: #FFFAEF; }

.fundamental_bg{ background-color: #eaf4ff; }
.linear_bg{ background-color: #faede4; }
.differential1_bg{ background-color: #eaffe3; }
.differential2_bg{ background-color: #fafdcd; }
.probability_bg{ background-color: #fff8e3; }
.applied_bg{ background-color: #f8e4f8; }
.transfer_bg{ background-color: #f4f2ef; }
.vector_bg{ background-color: #fff0d8; }

.mechanics1_txt{ color: #cb1936; }
.mechanics2_txt{ color: #4bbb82; }
.wave_txt{ color: #0092c9; }
.electromagnetism_txt{ color: #e98d2c; }

.mechanics1_bg{ background-color: #fce7ea; }
.mechanics2_bg{ background-color: #deffee; }
.wave_bg{ background-color: #d1f2ff; }
.electromagnetism_bg{ background-color: #fff2e5; }


/* キービジュアル */
#main_box div.obj.dl{
  margin: 0 38px 0 0;
  width: 86px;
  height: 120px;
}
#main_box div.obj.dl svg{
  width: 100%;
  height: 100%;
}
@media screen and (max-width: 600px) {
  #main_box div.obj.dl{
    margin: 0 7.5vw 0 0;
    width: 3.125rem;
    height: 4.375rem;
  }
  #main_box div.obj.dl svg{
    width: 100%;
    height: 100%;
  }
}



/* リード文 */
.lead {
    font-size: 1rem;
    line-height: 1.75;
}
@media screen and (max-width: 600px) {
    .lead {
        font-size: 1rem;
        line-height: 1.75;
    }
}

/* iframe 中央 */
.iframe_wrap>iframe{ margin: 0 auto; }

/* floatを使ったときclearboth：空の要素にかける */
.clearboth{ clear: both; }

/* flex */
.flex_wrap{
    display: flex;
    flex-wrap: wrap;
}
.flex_column{
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
}

/* アキ */
.mt0{ margin-top: 0; }
.mt1{ margin-top: 1em; }
.mb0{ margin-bottom: 0; }
.mb1{ margin-bottom: 1em; }

/* テキスト */
.pad_l1{ padding-left: 1em;}
.pad_l2{ padding-left: 2em;}
.pad_l3{ padding-left: 3em;}
.pad_l4{ padding-left: 4em;}
.pad_r1{ padding-right: 1em;}
.pad_r2{ padding-right: 2em;}
.pad_r3{ padding-right: 3em;}
.indent{ text-indent: 1em; }
.hangingIndent{
    padding-left: 1em;
    text-indent: -1em;
}
.hang {
	text-indent: -1em;
}
.hang_2 {
	text-indent: -2em;
}
.hang_3 {
	text-indent: -3em;
}
.small_text{
    font-size: .75em;
}
.weight_normal{ font-weight: normal; }
.weight_bold{ font-weight: bold; }

/* 問い合わせ先：なぜせまく幅設定を？ */
/*
.contact_area .contact_desc{
    width: 472px;
    margin: 0 auto;
}
*/
.contact_area .contact_desc{
    width: 90%;
    margin: 0 auto;
}


/* 効かない 
.regular_disc_list{
    list-style-type: circle;
}
*/
.regular_disc_list>li{
    padding-left: 1em;
    text-indent: -1em;
}
.regular_disc_list>li::before{
    content: "\025e6";
}
ul.no_style_li{
    list-style-type: none;
}
/* signature 思ってたのとちがう */
.signature_area{ text-align: right;}
.signature_area>p.signature{ display: inline-block; text-align: left;}

/* 揃え */
.center{ text-align: center;}
.right{ text-align: right;}

.block_center{ margin:0 auto; }

/* アキ */
.top0{ margin-top: 0;}
.bottom0{ margin-bottom: 0;}
.top1{ margin-top: 1em; }
.bottom1{ margin-bottom: 1em;}
.top2{ margin-top: 2em; }
.bottom2{ margin-bottom: 2em;}

/* 教科外テーブル */
.table_box.gold table th {
      background-color: #EFECE5;
}

/* 教科外アンカー */
.nonsubject .anchor_list ul li .anchor_list_text,
.anchor_list ul li.nonsubject .anchor_list_text{
      color: #af8f68;
}
.nonsubject .anchor_list ul li::before,
.anchor_list ul li.nonsubject::before{
    background-color: #af8f68;
}


/* ボタン */
.rounded_btn {
    display: inline-block;
    font-size: 1rem;
    height: 2.5rem;
    border: 1px solid;
    border-radius: 2.5rem;
    background: #fff;
    overflow: hidden;
    text-align: center;
    box-sizing: border-box;
    margin: 1.25rem .75rem 0;
    cursor: pointer;
    position: relative;
    padding-left: 1.25rem;
    padding-right: 1.25rem;

}
.rounded_btn p {
    line-height: 2.3rem;
    font-weight: bold;
}
@media screen and (max-width: 600px) {
    .rounded_btn {
        font-size: 0.875rem;
    }
}

.gold .rounded_btn{ color: #af8f68; }

.rika .rounded_btn,
.science .rounded_btn{ color: #45b036; }
.seikatsu .rounded_btn{ color: #ee791d; }
.sansu .rounded_btn,
.math .rounded_btn{ color: #0078b9; }
.taiiku .rounded_btn,
.pe .rounded_btn{ color: #7d4798; }

/* color設定 */
/* 力学Ⅰ */
body#mechanics1 .accordion_list .accordion dt.open .txt,
body#mechanics1 .mathjax_area,
body#mechanics1 .answerOuter .title,
body#mechanics1 .tabList ul li.active p,
body#mechanics1 .example li strong{
  color: #cb1936;
}
body#mechanics1 .answerOuter .title,
body#mechanics1 h3 .border_L6{
  border-color: #cb1936;
}
body#mechanics1 .example {
  border-color:#cb1936;
  padding:0.6rem 0.875rem;
  border: 3px solid #cb1936;
  border-radius: 8px;
  margin-top: 0.875rem;
}
body#mechanics1 .btn_page,
body#mechanics1 .modal-btn a {
  color: #cb1936;
  border-color: #cb1936;
}
body#mechanics1 svg.addFil.icon {
 fill:#cb1936;
}
body#mechanics1 .accordion_list .accordion dt::before,
body#mechanics1 .accordion_list .accordion dt::after,
body#mechanics1 .tabList ul li::before,
body#mechanics1 .tabList ul::after {
  background-color: #cb1936;
}
body#mechanics1 .tabList ul li::after {
  border-bottom: 7px solid #cb1936;
}
body#mechanics1 #main_box,
body#mechanics1 .table_box tr.head,
body#mechanics1 .table_box th {
  background-color: #fce7ea;
}
body#mechanics1 .accordion_list .accordion dd div.answerOuter:before{
  border-bottom-color:#fdf3f4;
}
body#mechanics1 .accordion_list .accordion dd div.answerOuter{
  background:#fdf3f4;
}
@media screen and (min-width: 601px) and (max-width: 1162px) {
  body#mechanics1 .multi-table tr {
    background-color: #fce7ea;
  }
}
/* 力学Ⅱ */
body#mechanics2 .accordion_list .accordion dt.open .txt,
body#mechanics2 .mathjax_area,
body#mechanics2 .answerOuter .title,
body#mechanics2 .tabList ul li.active p,
body#mechanics2 .example li strong{
  color: #4bbb82;
}
body#mechanics2 .answerOuter .title,
body#mechanics2 h3 .border_L6{
  border-color: #4bbb82;
}
body#mechanics2 .example {
  border-color:#4bbb82;
  padding:0.6rem 0.875rem;
  border: 3px solid #4bbb82;
  border-radius: 8px;
  margin-top: 0.875rem;
}
body#mechanics2 .btn_page,
body#mechanics2 .modal-btn a {
  color: #4bbb82;
  border-color: #4bbb82;
}
body#mechanics2 svg.addFil.icon {
  fill:#4bbb82;
 }
body#mechanics2 .accordion_list .accordion dt::before,
body#mechanics2 .accordion_list .accordion dt::after,
body#mechanics2 .tabList ul li::before,
body#mechanics2 .tabList ul::after{
  background-color: #4bbb82;
}
body#mechanics2 .tabList ul li::after {
  border-bottom: 7px solid #4bbb82;
}
body#mechanics2 #main_box,
body#mechanics2 .table_box tr.head,
body#mechanics2 .table_box th {
  background-color: #deffee;
}
body#mechanics2 .accordion_list .accordion dd div.answerOuter:before{
  border-bottom-color:#eefff6;
}
body#mechanics2 .accordion_list .accordion dd div.answerOuter{
  background:#eefff6;
}
@media screen and (min-width: 601px) and (max-width: 1162px) {
  body#mechanics2 .multi-table tr {
    background-color: #deffee;
  }
}

/* 熱・波動 */
body#wave .accordion_list .accordion dt.open .txt,
body#wave  .mathjax_area,
body#wave  .answerOuter .title,
body#wave .tabList ul li.active p,
body#wave .example li strong{
  color: #0092c9;
}
body#wave .answerOuter .title,
body#wave h3 .border_L6{
 border-color: #0092c9;
}
body#wave .example {
  border-color:#0092c9;
  padding:0.6rem 0.875rem;
  border: 3px solid #0092c9;
  border-radius: 8px;
  margin-top: 0.875rem;
}
body#wave .btn_page,
body#wave .modal-btn a {
  color: #0092c9;;
  border-color: #0092c9;
}
body#wave svg.addFil.icon {
 fill:#0092c9;
}
body#wave .accordion_list .accordion dt::before,
body#wave .accordion_list .accordion dt::after,
body#wave .tabList ul li::before,
body#wave .tabList ul::after {
  background-color:#0092c9;
}
body#wave .tabList ul li::after {
  border-bottom: 7px solid #0092c9;
}
body#wave #main_box,
body#wave .table_box tr.head,
body#wave .table_box th {
 background-color: #d1f2ff;
}
body#wave .accordion_list .accordion dd div.answerOuter:before{
 border-bottom-color:#e8f8ff;
}
body#wave .accordion_list .accordion dd div.answerOuter{
 background:#e8f8ff;
}
@media screen and (min-width: 601px) and (max-width: 1162px) {
  body#wave .multi-table tr {
    background-color: #d1f2ff;
  }
}

/* 電磁気・原子 */
body#electromagnetism .accordion_list .accordion dt.open .txt,
body#electromagnetism .mathjax_area,
body#electromagnetism .answerOuter .title,
body#electromagnetism .tabList ul li.active p,
body#electromagnetism .example li strong{
  color: #e98d2c;
}
body#electromagnetism .answerOuter .title,
body#electromagnetism h3 .border_L6{
 border-color: #e98d2c;
}
body#electromagnetism .example {
  border-color:#e98d2c;
  padding:0.6rem 0.875rem;
  border: 3px solid #e98d2c;
  border-radius: 8px;
  margin-top: 0.875rem;
}
body#electromagnetism .btn_page,
body#electromagnetism .modal-btn a {
  color: #e98d2c;
  border-color: #e98d2c;
}
body#electromagnetism svg.addFil.icon {
 fill:#e98d2c;
}
body#electromagnetism .accordion_list .accordion dt::before,
body#electromagnetism .accordion_list .accordion dt::after,
body#electromagnetism .tabList ul li::before,
body#electromagnetism .tabList ul::after {
  background-color: #e98d2c;
}
body#electromagnetism .tabList ul li::after {
  border-bottom: 7px solid #e98d2c;
}
body#electromagnetism #main_box,
body#electromagnetism .table_box tr.head,
body#electromagnetism .table_box th {
 background-color: #fff2e5;
}
body#electromagnetism .accordion_list .accordion dd div.answerOuter:before{
 border-bottom-color:#fff8f2;
}
body#electromagnetism .accordion_list .accordion dd div.answerOuter{
 background:#fff8f2;
}
@media screen and (min-width: 601px) and (max-width: 1162px) {
  body#electromagnetism  .multi-table tr {
    background-color: #fff2e5;
  }
}





/* 20221014：紙面紹介 */
/* 保健・体育 */
body#taiiku_workbook .accordion_list .accordion dt.open .txt,
body#taiiku_workbook .mathjax_area,
body#taiiku_workbook .answerOuter .title,
body#taiiku_workbook .tabList ul li.active p,
body#taiiku_workbook .example li strong{
  color: #7d4798;
}
body#taiiku_workbook .answerOuter .title,
body#taiiku_workbook h3 .border_L6{
  border-color: #7d4798;
}
body#taiiku_workbook .example:not(.multi) {
  border-color:#7d4798;
  border: 3px solid #7d4798;
  background-color: #eeeeff;
}
@media screen and (min-width: 601px){
  body#taiiku_workbook .example.multi li {
    border-color:#7d4798;
    border: 3px solid #7d4798;
    background-color: #eeeeff;
  }
}
@media screen and (max-width: 600px){
  body#taiiku_workbook .example.multi {
    border-color:#7d4798;
    border: 3px solid #7d4798;
    background-color: #eeeeff;
  }
}
body#taiiku_workbook .btn_page,
body#taiiku_workbook .modal-btn a {
  color: #7d4798;
  border-color: #7d4798;
}
body#taiiku_workbook svg.addFil.icon {
  fill:#7d4798;
}
/*body#linear svg.addStr{
  stroke: #B35F20;
}*/
body#taiiku .tabList ul li::before,
body#taiiku .tabList ul::after,
body#taiiku .accordion_list .accordion dt::before,
body#taiiku .accordion_list .accordion dt::after{
  background-color: #7d4798;
}
body#taiiku .tabList ul li::after {
  border-bottom: 7px solid #7d4798;
}
body#taiiku_workbook #main_box,
body#taiiku_workbook .table_box tr.head,
body#taiiku_workbook .table_box th {
  background-color: #eeeeff;
}
body#taiiku_workbook .accordion_list .accordion dd div.answerOuter:before{
  border-bottom-color:#f6f6ff;
}
body#taiiku_workbook .accordion_list .accordion dd div.answerOuter{
  background:#f6f6ff;
}


/* 20231003：紙面紹介 */
/* 算数 */
body#sansu_workbook .accordion_list .accordion dt.open .txt,
body#sansu_workbook .mathjax_area,
body#sansu_workbook .answerOuter .title,
body#sansu_workbook .tabList ul li.active p,
body#sansu_workbook .example li strong{
  color: #0078b9;
}
body#sansu_workbook .answerOuter .title,
body#sansu_workbook h3 .border_L6{
  border-color: #0078b9;
}
body#sansu_workbook .example:not(.multi) {
  border-color:#0078b9;
  border: 3px solid #0078b9;
  background-color: #e8f7ff;
}
@media screen and (min-width: 601px){
  body#sansu_workbook .example.multi li {
    border-color:#0078b9;
    border: 3px solid #0078b9;
    background-color: #e8f7ff;
  }
}
@media screen and (max-width: 600px){
  body#sansu_workbook .example.multi {
    border-color:#0078b9;
    border: 3px solid #0078b9;
    background-color: #e8f7ff;
  }
}
body#sansu_workbook .btn_page,
body#sansu_workbook .modal-btn a {
  color: #0078b9;
  border-color: #0078b9;
}
body#sansu_workbook svg.addFil.icon {
  fill:#0078b9;
}
/*body#linear svg.addStr{
  stroke: #B35F20;
}*/
body#sansu .tabList ul li::before,
body#sansu .tabList ul::after,
body#sansu .accordion_list .accordion dt::before,
body#sansu .accordion_list .accordion dt::after{
  background-color: #0078b9;
}
body#sansu .tabList ul li::after {
  border-bottom: 7px solid #0078b9;
}
body#sansu_workbook #main_box,
body#sansu_workbook .table_box tr.head,
body#sansu_workbook .table_box th {
  background-color: #e8f7ff;
}
body#sansu_workbook .accordion_list .accordion dd div.answerOuter:before{
  border-bottom-color:#f3fbff;
}
body#sansu_workbook .accordion_list .accordion dd div.answerOuter{
  background:#f3fbff;
}
/* 20231003：コピー修正 */
.lower .tabPanel_cnt_txt {
    width: -webkit-calc(100%  - 5%);
    width: calc(100%  - 5%);
}


/* 20221023：紙面紹介 */
/* 微分積分Ⅰ 
body#differential1 .example:not(.multi) {
  border-color:#53993D;
  border: 3px solid #53993D;
  background-color: #F4FFF1;
}
@media screen and (min-width: 601px){
  body#differential1 .example.multi li {
    border-color:#53993D;
    border: 3px solid #53993D;
	background-color: #F4FFF1;
  }
}
@media screen and (max-width: 600px){
  body#differential1 .example.multi {
    border-color:#53993D;
    border: 3px solid #53993D;
	background-color: #F4FFF1;
  }
}
/* 微分積分Ⅱ 
body#differential2 .example:not(.multi) {
  border-color:#A1AC21;
  border: 3px solid #A1AC21;
  background-color: #FCFEE6;
}
@media screen and (min-width: 601px){
  body#differential2 .example.multi li {
    border-color:#A1AC21;
    border: 3px solid #A1AC21;
	background-color: #FCFEE6;
  }
}
@media screen and (max-width: 600px){
  body#differential2 .example.multi {
    border-color:#A1AC21;
    border: 3px solid #A1AC21;
	background-color: #FCFEE6;
  }
}
/* 確率統計 
body#probability .example:not(.multi) {
  border-color:#B79229;
  border: 3px solid #B79229;
  background-color: #FFFBF1;
}
@media screen and (min-width: 601px){
  body#probability .example.multi li {
    border-color:#B79229;
    border: 3px solid #B79229;
	background-color: #FFFBF1;
  }
}
@media screen and (max-width: 600px){
  body#probability .example.multi {
    border-color:#B79229;
    border: 3px solid #B79229;
	background-color: #FFFBF1;
  }
}
/* 応用数学：20231011 
body#applied .example:not(.multi) {
  border-color:#711e6f;
  border: 3px solid #711e6f;
  background-color: #fbf1fb;
}
@media screen and (min-width: 601px){
  body#applied .example.multi li {
    border-color:#711e6f;
    border: 3px solid #711e6f;
	background-color: #fbf1fb;
  }
}
@media screen and (max-width: 600px){
  body#applied .example.multi {
    border-color:#711e6f;
    border: 3px solid #711e6f;
	background-color: #fbf1fb;
  }
}
/* 数学ポイントはcommon_2022に統合 */


/*20250404　お問い合わせよくある質問*/

.faq_link_area.pc_tb{
	display: flex;
}
@media screen and (max-width : 600px){
	.faq_link_area.pc_tb{
		display: none;
	}
}
/*
@media screen and (max-width : 600px){
	.faq_link_area{
		display: flex;
		flex-direction: column;
	}
}
*/

.faq_link{
    display: flex;
    margin-top: 16px;
}
.faq_link a{
    position: relative;
    margin-left: calc(15px + 2.21em);
    font-size: 1em;
    font-weight: bold;
}

.faq_link a:not(:first-of-type){
    margin-top: 12px;
}


.faq_link a::before{
	content: "";
	display: inline-block;
	position: absolute;
	width: 1.25em;
	height: 1.5em;
	left: -1.5em;
	top: 0;
	background-image: url("../../contact/images/icon_question.svg");
	background-repeat: no-repeat;
	background-size: contain;
	background-position: center;
}
.faq_link.rika a::before{
	filter: invert(76%) sepia(6%) saturate(4101%) hue-rotate(64deg) brightness(73%) contrast(110%);
}
.faq_link.seikatsu a::before{
	filter: invert(53%) sepia(77%) saturate(2048%) hue-rotate(351deg) brightness(98%) contrast(90%);
}
.faq_link.sansu a::before{
	filter: invert(27%) sepia(40%) saturate(3788%) hue-rotate(181deg) brightness(101%) contrast(101%);
}
.faq_link.hoken a::before{
	filter: invert(37%) sepia(12%) saturate(2718%) hue-rotate(236deg) brightness(88%) contrast(91%);
}

@media screen and (max-width : 600px){
	.faq_link a{
        position: relative;
        margin-left: 5vw;
        font-size: 4vw;
        font-weight: bold;
	}
    .news_textlink_box a:not(:first-of-type){
        margin-top: 5.6vw;
	}
	.faq_link a::before{
	    width: 1em;
		left:-1.25em;
	}
	.contact .news_textlink_box a{
		font-size: 4vw;
	}
	.rounded_btn_area{
		text-align: center;
	}
}

.rounded_btn2025{
	display: inline-block;
	height: calc(2.75rem + 4px);
	border: 2px solid #AF8F68;
	color: #AF8F68;
	background-color: #fff;
	box-sizing: border-box;
	border-radius: 1.75rem;
	margin: 1em 0.5em;;
}
.rounded_btn2025 a{
	display: inline-block;
	font-size: 1.25rem;
	line-height: 1;
	font-weight: bold;
	padding: .75rem 2.5rem;
}
.rounded_btn2025 a:hover{
	opacity: .7;
}
.rounded_btn2025 svg{
	display: inline-block;
	vertical-align: top;
	width: 0.5625rem;
	height: 0.9375rem;
	margin: .15625rem .625rem 0 0;
}
.contact_table_area{
	margin: .5em;
	overflow-x: scroll;
}
.contact_table_area table{
    width: 100%;
}
.contact_table_area th, .contact_table_area td{
    border: solid 1px;
	border-color: #D7D7D7;
	padding: 1em;
    text-align: center;
}
.contact_table_area th{
	background-color: #ECECEC
}
.name_departement{
	width: 1.5em;
}
.name_section{
	min-width: 7em;
}
.number_tel{
	white-space: nowrap;
}
.contact_table_area td.content{
	min-width: 10em;
    text-align: left;
}
.vertical{
	writing-mode: vertical-rl;
	display: block;
	white-space: nowrap;
	width: 1.5em;
}
.break_680{
    display: none;
}
@media only screen and (max-width:680px) {
    .name_section{
        min-width: 4em;
    }
    .space_680plus{
        display: none;
    }
    .break_680{
        display: inline-block;
    }
}
@media only screen and (max-width:600px) {
	.name_section{
		width: calc(4em + 1em);
		text-align: center;
	}
}

/*　20250520献本申し込み用ボタン　*/
.rounded_btn2025.kenpon{
	max-width: 20rem;
	display: block;
	text-align:center;
	margin: 1em auto;
}
.btn_area.kenpon{
	padding-top: 1em;
}
.btn_area.kenpon .btn_back{
	width: 12em;
}