@charset "UTF-8";
.container {
padding-top: 0px;
}
.sttb_w {
    width: 1080px;
    margin: auto;
}
#sttb_mainimg_wrap {
background-image: url("/asset/img/sotsutabi/sotsutb_main_back.png");
height: 480px;
margin-bottom: 60px;
}
.sttb_mainmark {
    opacity: 0;
}
.sttb_mainmark {
width: 180px;
height: 192px;
padding-top: 84px;
margin: 0 auto;
-webkit-animation: sttb_mainmark 0.5s ease 0.5s 1 forwards;
animation: sttb_mainmark 1.5s ease 0.5s 1 forwards;
}
@-webkit-keyframes sttb_mainmark {
  100% {
    opacity: 1;
  }
}
@keyframes sttb_mainmark {
  100% {
    opacity: 1;
  }
}
#sttb_outline_wrap {
padding-bottom: 80px;
}
#sttb_outline_wrap h2 {
text-align: center;
font-size: 1.6rem;
margin-bottom: 48px;
}
#sttb_outline_wrap h2 span {
text-align: center;
font-size: 2.2rem;
display: block;
}
#sttb_mainmds {
/*margin-bottom: 60px;*/
margin-bottom: 40px;
display: flex;
align-items: center;
}
#sttb_mainmds img {
width: 246px;
height: 28px;
}
#sttb_mainmds::before,
#sttb_mainmds::after {
content: "";
height: 1px;
flex-grow: 1;
background-color: #3c3c3c;
}
#sttb_mainmds::before {
	margin-right: 20px;
}
#sttb_mainmds::after {
	margin-left: 20px;
}
#sttb_mainmenu_con {
display: flex;
justify-content: space-between;
margin-bottom: 32px;
}
#sttb_submenu_con {
display: flex;
justify-content: space-between;
}
#sttb_mainmenu_con li {
width: calc(( 100% - 96px ) / 4 );
}
#sttb_submenu_con li {
width: 158px;
margin-left: 20px;
}
#sttb_submenu_con li:first-child {
width: 246px;
color: #667ed7;
margin-left: 0px;
}
#sttb_submenu_con li:last-child {
width: 90px;
}
#sttb_submenu_con li:nth-child(2) {
margin-left: 32px;
}
#sttb_mainmenu_con li:first-child, 
#sttb_submenu_con li:first-child {
background-color: #fff;
border-top-left-radius: 5px;
border-bottom-left-radius: 5px;
text-align: center;
font-size: 1.7rem;
font-weight: bold;
line-height: 1.5;
}
#sttb_mainmenu_con li:first-child {
padding: 26px 0 0; 
}
#sttb_submenu_con li:first-child {
padding: 20px 0 0; 
}
#sttb_mainmenu_con li:first-child {
color: #4fadc9;
}
#sttb_mainmenu_con li:first-child span {
width: 58px;
height: 18px;
display: block;
margin: 0 auto 10px;
}
#sttb_submenu_con li:first-child span {
width: 160px;
height: 18px;
display: block;
margin: 0 auto 6px;
}
#sttb_mainmenu_con li:nth-child(n + 2) a {
display: block;
border-bottom: solid 1px #4fadc9;
text-align: center;
font-size: 1.6rem;
font-weight: bold;
padding-bottom: 28px;
position: relative;
}
#sttb_mainmenu_con li:nth-child(n + 2) span {
width: 246px;
height: 26px;
display: block;
margin-bottom: 14px;
}
#sttb_mainmenu_con li:nth-child(n + 2) a i {
position: absolute;
bottom:12px;
left:50%;
transform: translateX(-50%);
-webkit-transform: translateX(-50%);
-ms-transform: translateX(-50%);
}
#sttb_submenu_con li:nth-child(n + 2) a {
display: block;
text-align: center;
font-size: 1.5rem;
font-weight: bold;
color: #fff;
padding: 14px 0 10px;
border-radius: 4px;
}
#sttb_submenu_con li:nth-child(2) a,
#sttb_submenu_con li:nth-child(3) a {
background-color: #6f81ce;
}
#sttb_submenu_con li:nth-child(4) a,
#sttb_submenu_con li:nth-child(5) a {
background-color: #d28a42;
}
#sttb_submenu_con li:last-child a {
background-color: #3c3c3c;
}
#sttb_submenu_con li:nth-child(5) a span {
letter-spacing: 0em;
}
.sttb_submenu_i,
.sttb_submenu_iv2 {
display: block;
width: 44px;
height: 30px;
margin: 0 auto;
}
#sttb_submenu_con li .udarrow_fff {
margin-right: 0px;
margin-left: 5px;
}
.sttb_cts_wrap {
padding: 80px 0 44px;
position: relative;
}
.sttb_intro_con {
margin-bottom: 60px;
}
.sttb_intro_con .txt_wrap,
.sttb_intro_con .img_wrap {
width: 490px;
z-index: 1;
}
.sttb_introtp {
display: flex;
margin-bottom: 8px;
}
.sttb_introtp span {
display: block;
}
.sttb_introtp span:first-child {
color: #fff;
text-align: center;
line-height: 1;
padding: 6px 10px 0;
border-radius: 4px;
letter-spacing: 0em;
}
.sttb_introtp span:last-child {
margin-left: 12px;
}
#sttb_point1 .sttb_introtp span:first-child, 
#sttb_point2 .sttb_introtp span:first-child, 
#sttb_point3 .sttb_introtp span:first-child,
#sttb_reco01 .sttb_introtp span:first-child, 
#sttb_reco02 .sttb_introtp span:first-child {
height: 25px;
background: -moz-linear-gradient(top left, #8186e3, #4fadc9); 
background: -webkit-linear-gradient(top left, #8186e3, #4fadc9); 
background: linear-gradient(to bottom right, #8186e3, #4fadc9); 
}
#sttb_reco03 .sttb_introtp span:first-child,
#sttb_reco04 .sttb_introtp span:first-child {
height: 25px;
background-color: #d28a42;
}
#sttb_point1 .sttb_introtp span:last-child, 
#sttb_point2 .sttb_introtp span:last-child, 
#sttb_point3 .sttb_introtp span:last-child {
width: 86px;
height: 28px;
margin-left: 12px;
}
#sttb_reco01 .sttb_introtp span:last-child {
width: 136px;
height: 28px;
margin-left: 12px;
}
#sttb_reco02 .sttb_introtp span:last-child,
#sttb_reco03 .sttb_introtp span:last-child {
width: 98px;
height: 28px;
margin-left: 12px;
}
#sttb_reco04 .sttb_introtp span:last-child {
width: 218px;
height: 28px;
margin-left: 12px;
}
.sttb_intro_con .txt_wrap h2 {
font-size: 2.4rem;
margin-bottom: 32px;
line-height: 1.7;
}
.sttb_introtxt {
position: relative;
padding: 40px 0 0 40px;
}
.sttb_introtxt::before {
content: url(/asset/img/common/bracketsplus_2px60x60.svgz);
position: absolute;
top: 0;
left: 0;
width: 60px;
height: 60px;
}
#sttb_reco01 .sttb_introtxt::before,
#sttb_reco02 .sttb_introtxt::before {
content: url(/asset/img/sotsutabi/bracketsplus_2px60x60_purple.svgz);
}
#sttb_reco03 .sttb_introtxt::before,
#sttb_reco04 .sttb_introtxt::before {
content: url(/asset/img/sotsutabi/bracketsplus_2px60x60_orange.svgz);
}
.sttb_introtxt p {
font-size: 1.5rem;
}
.img_wrap img {
height: auto;
}
.sttb_item {
position: relative;
width: 336px;
margin: 0 36px 36px 0;
padding: 34px 30px 0px;
}
.sttb_item:nth-child(3n) {
margin-right: 0px;
}
#sttb_point1 .sttb_item,
#sttb_point3 .sttb_item {
background-color: #f9f7f5;
background-image: url("../img/sotsutabi/stline_green_336x10.svgz");
background-repeat: no-repeat;
}
#sttb_point2 .sttb_item {
background-color: #fff;
background-image: url("../img/sotsutabi/stline_green_336x10.svgz");
background-repeat: no-repeat;
}
#sttb_reco01 .sttb_item {
background-color: #fff;
background-image: url("../img/sotsutabi/stline_purple_336x10.svgz");
background-repeat: no-repeat;
}
#sttb_reco02 .sttb_item {
background-color: #f1f6fc;
background-image: url("../img/sotsutabi/stline_purple_336x10.svgz");
background-repeat: no-repeat;
}
#sttb_reco03 .sttb_item {
background-color: #fff;
background-image: url("../img/sotsutabi/stline_orange_336x10.svgz");
background-repeat: no-repeat;
}
#sttb_reco04 .sttb_item {
background-color: #fbf7f3;
background-image: url("../img/sotsutabi/stline_orange_336x10.svgz");
background-repeat: no-repeat;
}
.sttb_item .img_wrap {
margin-bottom: 26px;
position: relative;
}
.sttb_item p {
padding-bottom: 86px;
}
.sttb_item .txt_wrap h3 {
font-size: 1.8rem;
}
.sttb_item .txt_wrap h3 span {
font-weight: bold;
display: block;
margin-bottom: 16px;
font-size: 1.4rem;
}
#sttb_point1 .sttb_item .txt_wrap h3 span, 
#sttb_point2 .sttb_item .txt_wrap h3 span {
color: #4fadc9;
}
#sttb_reco01 .sttb_item .txt_wrap h3 span,
#sttb_reco02 .sttb_item .txt_wrap h3 span {
color: #6f81ce;
}
#sttb_reco03 .sttb_item .txt_wrap h3 span,
#sttb_reco04 .sttb_item .txt_wrap h3 span {
color: #d28a42;
}
.sttb_item .btn_wrap {
display: block;
width: 196px;
position: absolute;
left: 50%;
transform: translateX(-50%);
-webkit-transform: translateX(-50%);
-ms-transform: translateX(-50%);
bottom: 30px;
font-weight: bold;
}
.sttb_item .btn_wrap a {
display: block;
padding: 12px 8px;
font-weight: bold;
line-height: 1;
text-align: center;
}
#sttb_point1 .sttb_item .btn_wrap a, 
#sttb_point2 .sttb_item .btn_wrap a, 
#sttb_point3 .sttb_item .btn_wrap a {
background-color: #d2eaf1;
}
#sttb_reco01 .sttb_item .btn_wrap a, 
#sttb_reco02 .sttb_item .btn_wrap a {
background-color: #dbe8f7;
}
#sttb_reco03 .sttb_item .btn_wrap a, 
#sttb_reco04 .sttb_item .btn_wrap a {
background-color: #f9e4d6;
}
.sttb_item .btn_wrap a i {
transform: rotate( -90deg );
}
.sttb_illumi_con {
padding: 40px;
margin-bottom: 60px;
display: flex;
}
.sttb_illumi_con h3 {
background: -moz-linear-gradient(top left, #8186e3, #4fadc9); 
background: -webkit-linear-gradient(top left, #8186e3, #4fadc9); 
background: linear-gradient(to bottom right, #8186e3, #4fadc9); 
color: #fff;
font-size: 1.3rem;
font-weight: bold;
border-radius: 5px;
width: 130px;
padding-top: 30px;
text-align: center;
}
.sttb_illumi_con h3 span {
font-size: 2.0rem;
letter-spacing: 0.05em;
line-height: 1;
}
.sttb_illumi_con p {
width: calc( 100% - 130px );
padding-left:30px; 
font-size: 1.5rem;
letter-spacing: 0.03em;
}
.sttb_item .img_wrap i {
display: block;
position: absolute;
top: 0px;
right: 0px;
color: #fff;
font-weight: bold;
text-align: center;
width: 70px;
height: 26px;
line-height: 1;
background-color: #4fadc9;
margin: 0;
padding-top: 7px;
}
.sttb_link_w {
display: block;
border: solid 1px #4fadc9;
border-top-left-radius: 4px;
border-bottom-left-radius:4px;
overflow: hidden;
margin-bottom: 36px;
z-index: 1;
position: relative;
}
.sttb_link_c {
position: relative;
display: flex;
justify-content: flex-start;
align-items: center;
}
.sttb_link_c span {
display: block;
color: #fff;
background-color: #4fadc9;
font-size: 2.3rem;
width: 246px;
text-align: center;
letter-spacing: 0.04em;
line-height: 1;
padding: 16px;
}
.sttb_link_c i {
position: absolute;
display: block;
right: 20px;
top:20px;
transform: rotate( -90deg );
}
.sttb_link_c div {
font-size: 1.6rem;
font-weight: bold;
padding-left: 20px;
}
#sttb_preserv_wrap {
padding: 40px;
background-color: #f9f7f5;
margin-bottom: 36px;
}
#sttb_preserv_wrap h4 {
color: #fff;
font-size: 1.6rem;
padding: 12px 20px;
margin-bottom: 18px;
background-color: #4fadc9;
border-radius: 4px;
}
#sttb_preserv_wrap a {
font-size: 1.5rem;
font-weight: bold;
color: #2ea7e0;
}
#sttb_preserv_wrap a i {
margin-right: 10px;
}
#sttb_point2.sttb_cts_wrap::before,
#sttb_reco01.sttb_cts_wrap::before, 
#sttb_reco03.sttb_cts_wrap::before {
content: '';
position: absolute;
top: 0;
left: 0;
border-top: 210px solid #fff;
border-right: 280px solid transparent;
}
#sttb_point2.sttb_cts_wrap::after, 
#sttb_reco01.sttb_cts_wrap::after,
#sttb_reco03.sttb_cts_wrap::after {
content: '';
position: absolute;
bottom: 0;
right: 0;
border-bottom: 210px solid #fff;
border-left: 280px solid transparent;
}
#sttb_reco01.sttb_cts_wrap {
background-color: #f1f6fc;
}
#sttb_reco03.sttb_cts_wrap {
background-color: #fbf7f3;
}
#sttb_reco04.sttb_cts_wrap {
border-bottom: solid 1px #d4d4d4;
}
#sttb_linkw.sttb_cts_wrap {
padding-bottom: 0px;
}
#sttb_linkw ul {
width: 708px;
margin: 0 auto;
}
#sttb_linkw li:not(:last-child) {
margin-bottom: 30px;
}
#sttb_linkw li a {
display: block;
}

#sttb_movie {
border-bottom: 10px #fff solid;
}
#sttb_movie_ttl {
width: 220px;
height: 220px;
border: solid 10px #fff;
background-color: #4fadc9;
color: #fff;
text-align: center;
}
#sttb_movie_ttl h2 {
font-size: 2.4rem;
line-height: 1;
padding-bottom: 10px;
border-bottom: 1px solid #fff;
width: 142px;
margin: 32px auto 0;
}
#sttb_movie_ttl h2 span {
display: block;
width: 104px;
height: 22px;
margin: 0 auto 10px;
}
#sttb_movie_ttl .sttb_movie_mds {
font-size: 1.5rem;
display: block;
font-weight: bold;
margin-top: 10px;
line-height: 1.6;
}
#sttb_youtube {
width: 830px;
background-color: #fff;
padding: 10px;
margin-bottom: 36px;
}
#sttb_youtube div {
margin-bottom: 0px;
position: relative;
width: 100%;
padding-top: 56.25%;
}
#sttb_youtube div iframe {
position: absolute;
top: 0;
right: 0;
width: 100% !important;
height: 100% !important;
}

#sttb_campmenu_wrap {
padding-bottom: 50px;
border-bottom: solid 1px #d4d4d4;
margin-bottom: 50px;
}
#sttb_campmenu_con {
display: flex;
justify-content: space-between;
}
#sttb_campmenu_con li {
width: 524px;
background-color: #fff;
padding: 10px;
}
#sttb_campmenu_con li a {
display: block;
}
#sttb_course.sttb_cts_wrap {
padding: 70px 0;
}
#sttb_coursebn_con {
display: flex;
justify-content: center;
/* justify-content: space-between; */
}
#sttb_coursebn_con li {
background-color: #f9f7f5;
padding: 10px;
}
#sttb_coursebn_con li a {
display: block;
}
.sttb_project_con {
border: solid 1px #d25a42;
border-radius: 5px;
position: relative;
margin-top: 40px;
}
.sttb_project_namecn {
background-color: #d25a42;
border-top-left-radius: 4px;
border-top-right-radius: 4px;
height: 60px;
font-size: 2.0rem;
padding: 12px 0 0 26px;
color: #fff;
font-weight: bold;
}
.sttb_project_olcon {
padding: 39px;
}
.sttb_project_olcon p {
margin-bottom: 30px;
}
.sttb_project_ol {
display: flex;
justify-content: space-between;
}
.sttb_project_con .btn_wrap {
position: absolute;
right: 10px;
top: 10px;
width: 240px;
display: block;
}
.sttb_project_con .btn_wrap a {
display: block;
height: 40px;
line-height: 1;
text-align: center;
border-radius: 4px;
padding: 13px 0 0;
font-weight: bold;
color: #d25a42;
background-color: #fff;
}
.sttb_project_con .btn_wrap a i {
transform: rotate(-90deg);
}
.sttb_project_ol .img_wrap {
display: block;
width: 360px;
}
.sttb_project_ol .txt_wrap {
width: 600px;
}
.sttb_project_olinfo {
border-top: solid 1px #d4d4d4;
display: flex;
flex-wrap: wrap;
}
.sttb_project_olinfo dt {
display: flex;
align-items: center;
background-color: #fff;
color: #d25a42;
font-weight: bold;
width: 26%;
font-size: 1.5rem;
line-height: 1;
padding: 0 0 0 20px;
border-bottom: solid 1px #d4d4d4;
}
.sttb_project_olinfo dd {
width: 74%;
padding: 14px 0 12px 20px;
border-bottom: solid 1px #d4d4d4;
}
.sttb_project_olinfo dd span {
font-size: 1.6rem;
font-weight: bold;
}