@charset "utf-8";

/*----------------------------------------------------
  icon
----------------------------------------------------*/
.i_Note {
  background: url(../img/icon/Note.svg) no-repeat center center;
}

.i_Cal {
  background: url(../img/icon/Cal.svg) no-repeat center center;
}

.i_Info {
  background: url(../img/icon/Info.svg) no-repeat center center;
}

.i_App {
  background: url(../img/icon/App.svg) no-repeat center center;
}

.i_PC {
  background: url(../img/icon/PC.svg) no-repeat center center;
}

.i_Statistics,
#app ul li a.i_Statistics::after {
  background: url(../img/icon/Statistics.svg) no-repeat center center;
}

#app ul li a.i_Statistics:hover::after,
#app ul li a.i_Statistics:active::after {
  background: url(../img/icon/Statistics_c.svg) no-repeat center center;
}

.i_Spreadsheet,
#app ul li a.i_Spreadsheet::after {
  background: url(../img/icon/Spreadsheet.svg) no-repeat center center;
}

#app ul li a.i_Spreadsheet:hover::after,
#app ul li a.i_Spreadsheet:active::after {
  background: url(../img/icon/Spreadsheet_c.svg) no-repeat center center;
}

.i_GraphTable,
#app ul li a.i_GraphTable::after {
  background: url(../img/icon/GraphTable.svg) no-repeat center center;
}

#app ul li a.i_GraphTable:hover:after,
#app ul li a.i_GraphTable:active::after {
  background: url(../img/icon/GraphTable_c.svg) no-repeat center center;
}

.i_DynaGraph,
#app ul li a.i_DynaGraph::after {
  background: url(../img/icon/DynaGraph.svg) no-repeat center center;
}

#app ul li a.i_DynaGraph:hover::after,
#app ul li a.i_DynaGraph:active::after {
  background: url(../img/icon/DynaGraph_c.svg) no-repeat center center;
}

.i_Run-Matrix,
#app ul li a.i_Run-Matrix::after {
  background: url(../img/icon/Run-Matrix.svg) no-repeat center center;
}

#app ul li a.i_Run-Matrix:hover::after,
#app ul li a.i_Run-Matrix:active::after {
  background: url(../img/icon/Run-Matrix_c.svg) no-repeat center center;
}

.i_Recursion,
#app ul li a.i_Recursion::after {
  background: url(../img/icon/Recursion.svg) no-repeat center center;
}

#app ul li a.i_Recursion:hover::after,
#app ul li a.i_Recursion:active::after {
  background: url(../img/icon/Recursion_c.svg) no-repeat center center;
}

.i_ConicsGraphs,
#app ul li a.i_ConicsGraphs::after {
  background: url(../img/icon/ConicsGraphs.svg) no-repeat center center;
}

#app ul li a.i_ConicsGraphs:hover::after,
#app ul li a.i_ConicsGraphs:active::after {
  background: url(../img/icon/ConicsGraphs_c.svg) no-repeat center center;
}

.i_PicturePlot,
#app ul li a.i_PicturePlot::after {
  background: url(../img/icon/PicturePlot.svg) no-repeat center center;
}

#app ul li a.i_PicturePlot:hover::after,
#app ul li a.i_PicturePlot:active::after {
  background: url(../img/icon/PicturePlot_c.svg) no-repeat center center;
}

.i_Equation,
#app ul li a.i_Equation::after {
  background: url(../img/icon/Equation.svg) no-repeat center center;
}

#app ul li a.i_Equation:hover::after,
#app ul li a.i_Equation:active::after {
  background: url(../img/icon/Equation_c.svg) no-repeat center center;
}

.i_Financial,
#app ul li a.i_Financial::after {
  background: url(../img/icon/Financial.svg) no-repeat center center;
}

#app ul li a.i_Financial:hover::after,
#app ul li a.i_Financial:active::after {
  background: url(../img/icon/Financial_c.svg) no-repeat center center;
}

.i_Python,
#app ul li a.i_Python::after {
  background: url(../img/icon/Python.svg) no-repeat center center;
}

#app ul li a.i_Python:hover::after,
#app ul li a.i_Python:active::after {
  background: url(../img/icon/Python_c.svg) no-repeat center center;
}

.i_Distribution,
#app ul li a.i_Distribution::after {
  background: url(../img/icon/Distribution.svg) no-repeat center center;
}

#app ul li a.i_Distribution:hover::after,
#app ul li a.i_Distribution:active::after {
  background: url(../img/icon/Distribution_c.svg) no-repeat center center;
}

.i_3DGraph,
#app ul li a.i_3DGraph::after {
  background: url(../img/icon/3DGraph.svg) no-repeat center center;
}

#app ul li a.i_3DGraph:hover::after,
#app ul li a.i_3DGraph:active::after {
  background: url(../img/icon/3DGraph_c.svg) no-repeat center center;
}

.i_E-CON4,
#app ul li a.i_E-CON4::after {
  background: url(../img/icon/E-CON4.svg) no-repeat center center;
}

#app ul li a.i_E-CON4:hover::after,
#app ul li a.i_E-CON4:active::after {
  background: url(../img/icon/E-CON4_c.svg) no-repeat center center;
}

.i_Memory,
#app ul li a.i_Memory::after {
  background: url(../img/icon/Memory.svg) no-repeat center center;
}

#app ul li a.i_Memory:hover::after,
#app ul li a.i_Memory:active::after {
  background: url(../img/icon/Memory_c.svg) no-repeat center center;
}

.i_Link,
#app ul li a.i_Link::after {
  background: url(../img/icon/Link.svg) no-repeat center center;
}

#app ul li a.i_Link:hover::after,
#app ul li a.i_Link:active::after {
  background: url(../img/icon/Link_c.svg) no-repeat center center;
}

.i_System,
#app ul li a.i_System::after {
  background: url(../img/icon/System.svg) no-repeat center center;
}

#app ul li a.i_System:hover::after,
#app ul li a.i_System:active::after {
  background: url(../img/icon/System_c.svg) no-repeat center center;
}

.i_Calculate,
#app ul li a.i_Calculate::after {
  background: url(../img/icon/Calculate.svg) no-repeat center center;
}

#app ul li a.i_Calculate:hover::after,
#app ul li a.i_Calculate:active::after {
  background: url(../img/icon/Calculate_c.svg) no-repeat center center;
}

.i_Base-n,
#app ul li a.i_Base-n::after {
  background: url(../img/icon/Base-n.svg) no-repeat center center;
}

#app ul li a.i_Base-n:hover::after,
#app ul li a.i_Base:active::after {
  background: url(../img/icon/Base-n_c.svg) no-repeat center center;
}

.i_ExamMode,
#app ul li a.i_ExamMode::after {
  background: url(../img/icon/ExamMode.svg) no-repeat center center;
}

#app ul li a.i_ExamMode:hover::after,
#app ul li a.i_ExamMode:active::after {
  background: url(../img/icon/ExamMode_c.svg) no-repeat center center;
}

.i_Inequality,
#app ul li a.i_Inequality::after {
  background: url(../img/icon/Inequality.svg) no-repeat center center;
}

#app ul li a.i_Inequality:hover::after,
#app ul li a.i_Inequality:active::after {
  background: url(../img/icon/Inequality_c.svg) no-repeat center center;
}

.i_ProbSim,
#app ul li a.i_ProbSim::after {
  background: url(../img/icon/ProbSim.svg) no-repeat center center;
} 

#app ul li a.i_ProbSim:hover::after,
#app ul li a.i_ProbSim:active::after {
  background: url(../img/icon/ProbSim_c.svg) no-repeat center center;
}

.i_SciDB,
#app ul li a.i_SciDB::after {
  background: url(../img/icon/SciDB.svg) no-repeat center center;
}

#app ul li a.i_SciDB:hover::after,
#app ul li a.i_SciDB:active::after {
  background: url(../img/icon/SciDB_c.svg) no-repeat center center;
}

.i_Geometry,
#app ul li a.i_Geometry::after {
  background: url(../img/icon/Geometry.svg) no-repeat center center;
}

#app ul li a.i_Geometry:hover::after,
#app ul li a.i_Geometry:active::after {
  background: url(../img/icon/Geometry_c.svg) no-repeat center center;
}

.i_search {
  background: url(../img/icon/search.svg) no-repeat center center;
}

#app ul li a {
  background: none;
}

/*----------------------------------------------------
  col-contents index.html
----------------------------------------------------*/
.col-contents {
  position: relative;
  max-width: 1050px;
  margin: 40px auto 0 auto;
  text-align: center;
  box-sizing: border-box;
}

.bnr__item {
  margin-bottom: 5px;
}

.bnr .bnr__item {
  width: 49%;
}

.bnr__item a {
  margin: 0 10px;
  display: block;
}

.bnr__item a:hover {
  opacity: 0.7;
}

.justify {
  margin: auto;
  font-size: 1px;
  line-height: 1px;
}

.justify:after {
  content: '';
  width: 100%;
  height: 0;
  visibility: hidden;
  display: inline-block;
}

.justify li {
  display: inline-block;
  vertical-align: top;
  text-align: left;
  line-height: 1.5;
}

.col-contents img {
  -ms-interpolation-mode: bicubic;
  width: 100%;
  max-width: 100%;
  outline: none;
  border: none;
}

/*----------------------------------------------------
  menu
----------------------------------------------------*/
#menu ul>li {
  clear: both;
}

#menu>ul>li a {
  font-weight: bold;
  text-align: left;
  text-decoration: none;
  background-position: center left 7px;
  background-size: 40px auto;
  padding: 15px 10px 15px 60px;
  display: block;
}

#menu ul>li a.i_Note {
  background-position: center left 3px;
  background-size: 50px auto;
}

#menu ul>li a.i_App {
  background-position: center left 10px;
}

#menu ul>li a.acc,
#menu ul>li a.acc:hover {
  color: #000;
  background-color: #D7DFED;
}

#menu ul>li,
#menu ul ul div>li {
  width: 100%;
  border-bottom: 1px solid #D9E7E4;
  display: table;
}

#menu ul>li a,
#menu ul>li p,
#menu ul ul div>li a,
#menu ul ul div>li p {
  display: table-cell;
}

#menu ul ul div>li a {
  color: #000;
  font-weight: normal;
  background: none;
  padding: 10px;
}

#menu ul ul div>li a.acc {
  color: #000;
  background-color: #D7DFED;
}

#menu ul ul ul>li {
  border-bottom: none;
}

#menu ul ul ul>li a {
  font-weight: normal;
  padding: 5px 5px 5px 25px;
  background-color: #fff;
}

#menu ul ul ul>li:last-child a {
  border-bottom: none;
}

#menu ul li a:hover {
  background-color: #E8F0EE;
  text-decoration: none;
}

#menu ul>li .pull_0,
#menu ul>li .pull_0_block,
#menu ul>li .pull_0_block.open,
#menu ul ul div>li .pull,
#menu ul ul div>li .pull_block,
#menu ul ul div>li .pull_block.open {
  width: 30px;
  height: 30px;
  margin-right: 0;
  background: url("../img/burette/Plus.svg") no-repeat center center;
  cursor: pointer;
  clear: none;
  position: relative;
  z-index: 10;
}

#menu ul>li .pull_0,
#menu ul>li .pull_0_block,
#menu ul>li .pull_0_block.open {
  background-position: center center;
}

#menu ul>li .pull_0_block,
#menu ul>li .pull_0.open,
#menu ul ul div>li .pull_block,
#menu ul ul div>li .pull.open {
  background: url("../img/burette/Minus.svg") no-repeat center center;
}

#menu ul>li .pull_0_block,
#menu ul>li .pull_0.open {
  background-color: #fff;
  background-position: center center;
}

#menu ul>li .pull_0:hover,
#menu ul>li .pull_0_block:hover,
#menu ul>li .pull_0_block:hover.open,
#menu ul ul div>li .pull:hover,
#menu ul ul div>li .pull_block:hover,
#menu ul ul div>li .pull_block:hover.open {
  background: #E8F0EE url("../img/burette/Plus.svg") no-repeat center center;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

#menu ul>li .pull_0:hover,
#menu ul>li .pull_0_block:hover,
#menu ul>li .pull_0_block:hover.open {
  background-position: center center;
}

#menu ul>li .pull_0_block:hover,
#menu ul>li .pull_0:hover.open,
#menu ul ul div>li .pull_block:hover,
#menu ul ul div>li .pull:hover.open {
  background: #E8F0EE url("../img/burette/Minus.svg") no-repeat center center;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

#menu ul>li .pull_0_block:hover,
#menu ul>li .pull_0:hover.open {
  background-position: center center;
}

#menu ul>ul.pull_0_box,
#menu ul>ul.pull_0_box_block,
#menu ul ul div>ul.pull_box,
#menu ul ul div>ul.pull_box_block {
  clear: both;
  overflow: hidden;
  display: none;
}

#menu ul ul div>ul.pull_box,
#menu ul ul div>ul.pull_box_block {
  border-bottom: 1px solid #D9E7E4;
}

#menu ul>ul.pull_0_box_block,
#menu ul ul div>ul.pull_box_block {
  display: block;
}

#menu ul>li.current a {
  background-color: #D9E7E4;
}

#menu ul ul ul>li a.acc {
  background-color: #D7DFED;
}

/*----------------------------------------------------
  step系
----------------------------------------------------*/
ol li p {
  margin-left: 0px;
}

ol.operation,
ol.sub_step,
ol.item_num {
  margin-top: 0px;
  counter-reset: sub_step;
  list-style: none;
  padding: 0;
  overflow: hidden;
}

ol.operation>li p,
ol.sub_step>li p,
ol.item_num>li p,
ol.item_num.style_2nd>li p {
  margin: 0 !important;
}
table ol.operation,
table ol.operation li{
  margin: 5px 0 0 0;
}

.title+ol.operation,
.sub_title+ol.operation,
.third_title+ol.operation,
.fourth_title+ol.operation,
.example+ol.operation {
  margin: 0;
}

ol.operation {
  margin: 15px 0 0 0;
  counter-reset: operation;
  clear: both;
}

ol.operation li {
  position: relative;
  font-weight: normal;
  padding: 0 0 0 30px;
  margin: 15px 0 0 0;
  clear: both;
}
ol.operation li:nth-child(2){
  margin: 0;
}

ol.operation>li:before {
  content: counter(operation)".";
  counter-increment: operation;
  display: inline-block;
  text-align: left;
  width: 23px;
  margin-left: -30px;
}

ol.operation>li p {
  display: inline;
}

ol.operation li.digits:before {
  -webkit-transform: scale(0.75, 1);
  transform: scale(0.75, 1);
  transform-origin: top left;
}

ol.sub_step li {
  margin: 5px 0 0 0;
  padding-left: 35px;
  position: relative;
  clear: both;
}

ol.sub_step>li:nth-child(1) {
  margin: 5px 0 0 0;
}

ol.sub_step>li:before {
  content: "(" counter(sub_step) ")";
  counter-increment: sub_step;
  text-align: center;
  display: inline-block;
  text-align: left;
  width: 25px;
  margin-left: -35px;
  margin-right: 5px;
}

ol.sub_step.ss_2nd>li:before {
  content: "(" counter(sub_step, upper-alpha)")";
  counter-increment: sub_step;
}

ol.sub_step.ss_3rd>li:before {
  content: counter(sub_step);
  counter-increment: sub_step;
  width: 15px;
  padding-left: 3px;
  height: 18px;
  line-height: 20px;
  margin-left: -30px;
  margin-right: 5px;
  margin-top: 3px;
  border-radius: 50% 50%;
  border: 1px solid #000;
  letter-spacing: -3px;
}
ol.sub_step.ss_4th>li:before {
  content: "(" counter(sub_step, lower-alpha)")";
  counter-increment: sub_step;
}

ol.sub_step>li p {
  margin-left: 0px;
  display: inline;
}

ol.sub_step>p,
ol.sub_step>.link {
  margin-left: 30px;
}

ol.sub_step ol.item_num {
  margin-top: 0;
  margin-left: 30px;
}

ol.operation li p {
  margin-left: 0px;
}

ol.operation>p,
ol.operation>.accent_box,
ol.operation>.foot_note,
ol.operation>.link,
ol.operation>.extlink,
ol.operation>.sub_step,
ol.operation>.multi-column,
ol.operation>.third_title,
ol.operation>.fourth_title,
ol.operation .example .example-column .example-cell p,
ol.operation>.item_explanation,
ol.operation>.tablescroll,
ol.operation>.example {
  margin-left: 30px;
}

ol.operation .indent .sub_step {
  margin-left: 30px;
}

ol.operation>.sub_note {
  margin-left: 50px;
}

ol.operation table p {
  margin-left: 0px;
}
.memo .note+ol.sub_step{
  margin-left: 20px;
}
ol.sub_step>.foot_note{
  margin-left: 30px;
}
ol.item_num>p {
  margin-left: 40px;
}

.multi-column ol.item_num {
  margin-top: 0;
}

ol.item_num {
  margin-top: 10px;
  counter-reset: item_num;
}

ol.item_num li {
  position: relative;
  padding: 10px 0 0 40px;
  margin: 0;
  clear: both;
}

ol.item_num>li:before {
  content: "(" counter(item_num)")";
  counter-increment: item_num;
  display: block;
  float: left;
  text-align: left;
  width: 35px;
  margin-left: -40px;
  margin-right: 5px;
  margin-top: 3px;
}

.procedure_step ol {
  margin-top: 20px;
  clear: both;
  counter-reset: procedure_step;
  list-style: none;
}

.procedure_step ol li {
  position: relative;
  padding: 5px 0 5px 40px;
  margin: 10px 0 0 0;
  font-weight: bold;
  clear: both;
}

.procedure_step ol li:before {
  color: #FFF;
  content: counter(procedure_step);
  counter-increment: procedure_step;
  display: inline-block;
  text-align: center;
  width: 35px;
  height: 35px;
  line-height: 38px;
  margin-left: -40px;
  border-radius: 50% 50%;
  background-color: #cbcbcb;
}

.procedure_step ol li p {
  display: inline-block;
}

.procedure_step ol>p {
  margin-left: 40px;
  margin-top: -10px;
}

/*----------------------------------------------------
	memo | notice
----------------------------------------------------*/
.notice,
.warning,
.memo,
.important,
.precaution {
  margin: 20px 0;
  padding: 10px 20px 15px 20px;
  background-color: #EFEFEF;
  border: 1px solid #C00;
  clear: both;
}

.notice:after,
.warning:after,
.memo:after,
.important:after,
.precaution:after {
  content: "";
  clear: both;
  display: block;
}

.memo {
  background-color: #FFF;
  border: 1px solid #0E67E1;
}

.precaution {
  border: 1px solid #EFEFEF;
}

.memo .word p,
.precaution .word p {
  color: #0E67E1;
  font-weight: bold;
}

.notice .word p,
.warning .word p,
.important .word p {
  color: #C00;
  font-weight: bold;
}
.notice .multi-column,
.warning .multi-column,
.memo .multi-column,
.important .multi-column,
.precaution .multi-column,
.notice .multi-column .ex_style,
.warning .multi-column .ex_style,
.memo .multi-column .ex_style,
.important .multi-column .ex_style,
.precaution .multi-column .ex_style {
  margin: 0;
}
/*----------------------------------------------------
  column
----------------------------------------------------*/
.memo .multi-column+.multi-column {
  margin-top: 0px;
}
.multi-column+.multi-column {
  margin-top: 40px;
}
.accent_box .multi-column {
  text-align: center;
}
.accent_box .multi-column.normal,
.multi-column.normal {
  text-align: left;
  margin: 0 auto;
}
.multi-column.border {
  column-rule: 1px solid #000;
}
/*----------------------------------------------------
	table
----------------------------------------------------*/
p+.tablescroll,
h3+.tablescroll,
h5+.tablescroll {
  margin-top: 5px;
}

table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  border-spacing: 0;
}

ol.operation table {
  width: 100%;
  min-width: auto;
}

table th {
  padding: 0 5px 5px 5px;
  text-align: center;
  background-color: #666;
  border: 1px solid #666;
}
table th + th{
  border-left: 2px solid #FFF;
}
table th .fourth_title {
  margin: 5px 0 0 0;
}

table th p {
  color: #FFF;
  font-weight: bold;
}

table th .third_title {
  margin: 10px 10px 5px 10px !important;
  padding: 0px;
}

table th .third_title h4 {
  color: #FFF;
}

table tr td {
  border: 1px solid #666;
  padding: 0px 5px 5px 5px;
  margin: auto;
  vertical-align: middle;
  text-align: left;
}

table img {
  text-align: center;
  vertical-align: middle;
}

.accent_box .tablescroll {
  margin: 5px 0 0 0;
}

ol.operation .tablescroll {
  margin: 5px 0 0 30px;
}

.tablescroll {
  margin: 5px 0px;
  overflow-x: auto;
  overflow-y: hidden !important;
  clear: both;
}

.tablescroll::-webkit-scrollbar {
  height: 5px;
  width: 5px;
}

.tablescroll .hide-table-header th {
  border: none;
  padding: 0px;
}

.tablescroll.nowidth table {
  min-width: auto;
}

.tablescroll::-webkit-scrollbar-track {
  background: #e6e6e6;
}

.tablescroll::-webkit-scrollbar-thumb {
  background: #A1A1A1;

}

table.table_style_2nd {
  min-width: auto;
  border: none;
}

.table_style_2nd th {
  border: none;
}

.table_style_2nd td {
  border: none;
  padding: 0px;
}

.tablescroll_2nd {
  margin: 20px 0 0 0;
}

table .diagonal_r {
  background-image: linear-gradient(to left top, transparent calc(50% - 0.5px), #999 50%, #999 calc(50% + 0.5px), transparent calc(50% + 1px));
  position: relative;
  padding: 50px;
}

table .diagonal_n {
  background-image: linear-gradient(to right top, transparent calc(50% - 0.5px), #999 50%, #999 calc(50% + 0.5px), transparent calc(50% + 1px));
  position: relative;
  padding: 50px;
}

table .diagonal_n p:first-child {
  position: absolute;
  right: 5px;
  top: 0px;
  grid-column-start: 2;
  width: 80%;
  text-align: right;
}

table .diagonal_n p:last-child {
  position: absolute;
  left: 5px;
  bottom: 5px;
  grid-column-start: 1;
  width: 80%;
  text-align: left;
}

table .img img,
table .img.left img,
table .img.right img {
  max-width: 320px;
  width: 100%;
}

/*----------------------------------------------------
	accordion
----------------------------------------------------*/
.accordion {
  margin: 0px 0;
}

.tabbox .accordion {
  margin: 0;
}

.event_title {
  position: relative;
  margin: 0 0 5px 0;
  background-color: #fff;
  padding: 10px 34px 10px 10px;
  cursor: pointer;
  display: block;
}

.event_title:first-child {}

.event_title p {
  font-weight: bold;
}

.event_title.open {
  margin: 0;
  background-color: #ececec;
  border-bottom: 1px solid #1B1BE0;
}

.event_title.open p {
  color: #1B1BE0;
}

.event_title::before,
.event_title::after {
  position: absolute;
  content: '';
  width: 18px;
  height: 2px;
  background-color: #424242;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  transition: all 0.3s ease;
}

.event_title::before {
  top: 48%;
  right: 15px;
  transform: rotate(0deg);
}

.event_title::after {
  top: 48%;
  right: 15px;
  transform: rotate(90deg);
}

.event_title.open::before {
  background-color: #1B1BE0;
  transform: rotate(45deg);
}

.event_title.open::after {
  background-color: #1B1BE0;
  transform: rotate(-45deg);
}

.event_title p {
  display: inline;
}

.event_title p+p {
  display: block;
  margin-top: 5px;
}

.event_box {
  padding: 10px;
  margin-bottom: 5px;
  display: none;
  overflow: hidden;
  border-bottom: 1px solid #1B1BE0;
  background-color: #fff;
}

.element+.element {
  border-top: 1px dashed #000;
  padding: 10px 0;
}

.event_box .element {
  clear: both;
  padding: 0px 0 10px 0;
}

.event_box .td_1,
.event_box .td_2,
.event_box .td_3 {
  clear: both;
  overflow: hidden;
}

.event_box>.td_1:nth-child(1) {
  margin-top: 0px;
}

.event_box .td_1 {
  font-weight: bold;
  margin-top: 30px;
}

.event_box .td_2 {
  border-top: 1px dashed #333;
  border-bottom: 1px dashed #333;
  padding: 10px 0;
  margin: 10px 0;
}

.event_box .img.right img,
.event_box .caption_illust_float_right .img img {
  max-width: 100px;
}

/*----------------------------------------------------
	tabs
----------------------------------------------------*/
.tabs {
  position: relative;
  margin: 20px 0px;
  overflow: hidden;
}

.tab_menu {
  width: 100%;
  padding: 0 40px;
  box-sizing: border-box;
  display: table;
  border-collapse: separate;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.tab_menu li {
  text-align: center;
  vertical-align: middle;
  display: table-cell;
  margin: 0px;
  padding: 0px;
  position: relative;
}

.tab_menu li.none {
  display: none;
}

.tab_menu li br {
  display: none;
}

.tab_menu li a br {
  display: block;
}

.tab_menu li a {
  font-weight: bold;
  margin: 0 3px;
  padding: 15px 20px 10px 20px;
  display: block;
  background: #ececec;
  border-bottom: 2px solid #000;
}

.tab_menu li:first-child a {}

.tab_menu li:last-child a {
  margin: 0 0 0 3px;
}

.tab_menu li:hover,
.tab_menu li.active {
  text-decoration: none;
}

.tab_menu li:hover a,
.tab_menu li.active a {
  color: #fff;
  background: #000;
  border-bottom: 2px solid #000;
  text-decoration: none;
}

.tab_menu li.active span.arrow {
  display: inline-block;
  width: 0;
  line-height: 0;
  border: none;
  border-top: 11px solid #000;
  border-left: 14px solid #f7f7f7;
  border-right: 14px solid #f7f7f7;
  margin-left: -14px;
  clear: both;
  position: absolute;
  bottom: -11px;
}

.tabbox {
  position: relative;
  padding: 20px;
  background-color: #f7f7f7;
  zoom: 1;
}

.index #content .tabbox p {
  text-align: left;
}

.tabbox {
  overflow: hidden;
}

.tabbox .cat {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}

.tabbox .cat p {
  margin: 5px;
}

.tabbox .title h2 {
  background: #FFF;
  font-weight: bold;
  border-bottom: 2px solid #0E67E1;
  padding: 0;
}

.tabbox .cat .link a {
  color: #1B1BE0;
  font-weight: bold;
  display: block;
}

.tabbox .cat.iconset_1 .link a,
.tabbox .cat.iconset_2 .link a {
  color: #001A43;
  background-color: #fff !important;
  font-weight: bold;
  text-align: center;
  padding: 120px 10px 20px 10px;
  display: block;
}

.tabbox .cat.iconset_1 .link a:hover,
.tabbox .cat.iconset_2 .link a:hover {
  color: #1B1BE0;
  background-color: #ececec !important;
  padding: 120px 10px 20px 10px;
  background-position: center top 20px !important;
  box-shadow: 0px 0px 3px 3px #ccc inset;
}

.tabbox .img img {
  max-width: 450px;
}

.foot_note+.arrow,
.accordion+.arrow {
  margin-top: 20px;
}

div.arrow {
  clear: both;
  text-align: center;
  margin: auto;
  width: 0;
  height: 0;
  border-top: 30px solid #1B1BE0;
  border-right: 50px solid transparent;
  border-left: 50px solid transparent;
}

@media all and (-ms-high-contrast:none) {

  *::-ms-backdrop,
  .tab_menu li.active span.arrow {
    left: 50%;
  }
}

@media screen and (max-width:550px) {
  .tab_menu {
    display: block;
    margin-bottom: 5px;
  }

  .tab_menu li {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .tab_menu li a img {
    max-width: 135px;
    margin-left: 10px;
    display: inline-block;
  }

  .tab_menu li a img:nth-child(2) {
    margin-left: 10px;
  }

  .tab_menu li.active span.arrow {
    display: none;
  }
}

/*----------------------------------------------------
	item_explanation
----------------------------------------------------*/
.item {
  position: relative;
  display: grid;
  grid-template-columns: 8em 1fr;
}
.item_explanation .item_explanation_title p{
  margin-left: 0 !important;
}
.item_explanation.bracket .item {
  display: table;
}
.item_explanation.bracket .item_explanation_title {
  display: table-cell;
  width: auto;
  position: initial;
  vertical-align: middle;
}
.item_explanation.bracket .item_explanation_text,
.item_explanation.bracket .item_explanation_bracket{
  margin-left: 0;
  display: table-cell;
  vertical-align: middle;
}
@media screen and (max-width:1100px) {
  .item_explanation.bracket .item {
    display: block;
  }
  .item_explanation.bracket .item_explanation_title {
    display: block;
  }
  .item_explanation.bracket .item_explanation_text,
  .item_explanation.bracket .item_explanation_bracket{
    display: block;
  }
}
/*----------------------------------------------------
	accent_box
----------------------------------------------------*/
#content>.accent_box:nth-child(1) {
  margin: 0px;
}

.sub_title+.accent_box {
  margin-top: 0px;
}

.accent_box {
  border: 1px solid #000;
  background-color: #FFF;
  overflow: hidden;
  margin-top: 20px;
  padding: 10px;
  clear: both;
}

.accent_box .title {
  margin: 0px 0 15px 0;
  display: block;
  overflow: hidden;
}

.accent_box .title h2 {
  font-weight: bold;
  padding: 0px;
  background-color: inherit;
  border-bottom: none;
  border-right: none;
  clear: both;
}

.accent_box p,
.accent_box img {
  margin: 0 !important;
}

.accent_box .img.right {
  margin: 0 0 0 20px !important;
}

.accent_box .img.left {
  margin: 0 20px 0 0 !important;
}
.operation .note + .indent {
  margin-left: 50px;
}
.note + .indent {
  margin-left: 20px;
}
.indent {
  margin-left: 30px;
  overflow: hidden;
  clear: both;
}
ol.operation > .indent {
  margin-left: 60px;
}
.notice .indent,
.warning .indent,
.memo .indent,
.important .indent,
.precaution .indent {
  margin-left: 20px;
}
/*----------------------------------------------------
	sub_story
----------------------------------------------------*/
.sub_story {
  border-left: 5px solid #000;
  padding-left: 15px;
  box-sizing: border-box;
}

/*----------------------------------------------------
	search
----------------------------------------------------*/
.search_box_table {
  position: relative;
}

#searchText,
.search_box {
  width: 100%;
  height: 40px;
  line-height: 40px;
  background-color: #FFF;
  border: 1px solid #cbcbcb;
  padding: 0px 45px 0px 10px;
  -webkit-border-radius: 0px;
  -moz-border-radius: 0px;
  -o-border-radius: 0px;
  -ms-border-radius: 0px;
  border-radius: 0px;
  box-sizing: border-box;
}

#searchButton,
.searchButton {
  position: absolute;
  top: 0;
  right: 0px;
  width: 40px;
  height: 40px;
  margin-left: 0px;
  padding: 9px 2px 9px 2px;
  background: url(../img/icon/search.svg) no-repeat center center;
  border: none;
  display: block;
  cursor: pointer;
}

#menu #searchButton,
.searchButton {
  right: 50px;
}

#text_hidden,
.text_hidden {
  display: none;
}

#search_result {
  padding-bottom: 80px;
}

#result {
  margin: 0px 0 0 0;
  font-weight: bold;
}

#result>p {
  margin: 0;
}

#result p a {
  margin-top: 15px;
  display: block;
}

/* erase default hint text on focus */
input#searchText:focus::placeholder,
input.search_box:focus::placeholder {
  color: transparent;
}

/*----------------------------------------------------
	text系
----------------------------------------------------*/
.toc_title+.title {
  margin: 0 0 15px 0;
}

.title+.sub_title {
  margin: 0px 0px 10px 0px;
}
.title+.third_title {
  margin: 0px 0px 10px 0px;
}
.operation li+.third_title {
  margin: 10px 0px 10px 30px;
}
.sub_title+.third_title {
  margin: 0px 0px 10px 0px;
}

.sub_title+.third_title {
  margin: 0px 0px 10px 0px;
}

.sub_title+.sub_title,
.third_title+.third_title {
  margin: 0px 0px 10px 0px;
}

.title:nth-child(1) {
  margin: 0px 0px 15px 0px;
}

#content>div:nth-child(1),
.accordion>h3:nth-child(1) {
  margin-top: 0px;
}

.third_title:nth-child(1) {
  margin: 0px 0px 10px 0px;
}

.toc_title {
  margin: 60px 0 15px 0;
  display: block;
  overflow: hidden;
}

.toc_title h2 {
  font-weight: normal;
  background-color: #D9E7E4;
  padding: 12px 15px 8px 15px;
  clear: both;
}

.title {
  margin: 30px 0 15px 0;
  padding-top: 10px;
  display: inline-block;
  overflow: hidden;
  clear: both;
  width: 100%;
}

.title h2 {
  font-weight: bold;
  border-bottom: 3px solid #D9E7E4;
  padding: 0 0 9px 0;
}

.sub_title {
  margin: 30px 0 10px 0;
  padding-left: 23px;
  position: relative;
}

.sub_title h3 {
  font-weight: bold;
}

.sub_title h3:before {
  content: "";
  background-color: #9FCAD7;
  display: inline-block;
  line-height: 1em;
  margin-left: -23px;
  margin-right: 9px;
  text-align: left;
  vertical-align: 0%;
  height: 15px;
  width: 15px;
}

table .sub_title {
  margin: 0px;
}

table .sub_title h3 {
  padding: 0;
}

.third_title {
  margin: 30px 0px 10px 0px;
  display: block;
}

.fourth_title {
  margin: 15px 0 0 0;
  display: block;
}

.note {
  padding-left: 20px;
  position: relative;
}

.note:before {
  content: "";
  display: inline-block;
  line-height: 1;
  margin-left: -15px;
  margin-right: 11px;
  text-align: left;
  background-color: #000;
  vertical-align: 19%;
  height: 4px;
  width: 4px;
  border-radius: 50%;
}

.caption_illust_container .note:before {
  line-height: 10px;
}

.sub_note {
  width: auto;
  margin-left: 20px;
  overflow: hidden;
}

.sub_note .note:before {
  margin-right: 9px;
  vertical-align: 30%;
  height: 1px;
  width: 6px;
  border-radius: 0;
}

.foot_note {
  overflow: hidden;
  counter-reset: foot_note;
}

.foot_note .note {
  padding-left: 15px;
  background: none;
  position: relative;
  overflow: hidden;
}

.foot_note .note:before {
  content: "*";
  background-color: transparent;
  vertical-align: middle;
  margin-left: -15px;
  margin-right: 0;
  margin-top: -2px;
  height: 1em;
  width: 15px;
  border-radius: 0;
}

.foot_note .note.num {
  padding-left: 30px;
}

.foot_note .note.num:before {
  content: "*" counter(foot_note);
  counter-increment: foot_note;
  margin-left: -30px;
  width: 30px;
}

.accent_box+div.link {
  margin-top: 20px;
}

div.link,
div.extlink {
  margin-top: 5px;
}

div.link a {
  padding: 0px 0px 0px 18px;
}

a.link,
.link a {
  background: url(../img/burette/link.svg) no-repeat left center;
  padding: 0px 0px 0px 18px;
}

.caption_text a.link {
  padding: 4px 0px 4px 18px;
}

.caption_text a.link:lang(ko),
.caption_text p:lang(ko),
.caption_text a.link:lang(zh),
.caption_text p:lang(zh) {
  line-height: 1.4 !important;
}

.ex_style {
  margin-bottom: 10px;
}

.ex_style .orange {
  color: #F26B00;
  font-weight: bold;
}

/*.example .example_box{
	display: inline-block;
}
.example .ex_style.ex2nd .orange{
	vertical-align: top;
}*/
.ex_style.ex2nd {
  display: table;
}

.ex_style.ex2nd .orange,
.ex_style.ex2nd .example_box {
  display: table-cell;
}

a.extlink {
  background: url(../img/burette/link_2.svg) no-repeat right center;
  padding: 0px 25px 0px 0px;
  word-break: break-all;
}

p.text_right {
  text-align: right;
}

p.text_center {
  text-align: center;
}

/*中央揃え用にクラス追加*/
div.caption_illust{
  text-align: center;
}

div.caption_illust_container.caption_illust_float_right {
  clear: right;
}

div.caption_illust_container {
  padding: 0;
  z-index: 1;
  display: inline-block;/*左右のテキストズレを防ぐ*/
}

.math {
  margin: 10px 0;
  padding: 5px 0;
  overflow-x: auto;
  overflow-y: hidden !important;
}
.math::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.math::-webkit-scrollbar-track {
  background: #e6e6e6;
}
.math::-webkit-scrollbar-thumb {
  background: #A1A1A1;

}
/*----------------------------------------------------
	suggest
----------------------------------------------------*/
#suggest {
  position: absolute;
  top: 35px;
  width: 100%;
  background-color: #fff;
  border: 1px solid #999;
  box-sizing: border-box;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
  z-index: 9999;
}

#suggest>div {
  padding: 5px 10px;
  cursor: pointer;
  text-align: left;
}

#suggest>div:hover,
#suggest>div.select {
  color: #fff;
  background-color: #007eff;
}

/*----------------------------------------------------
	found text
----------------------------------------------------*/
span.found {
  background: #ff0;
  margin: 0;
  padding: 0;
  display: inline;
}

span.reverse {
  background: #000;
  color: #fff;
  margin: 0;
  padding: 0 5px;
  display: inline;
}