@media screen and (min-width: 900px) {

html{	
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow-y:scroll;
}

body{	
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}





#wrap {
width:100%;
height: auto;
margin:0;
padding: 0;
}



#section_a {
width: 100%;
height: 800px;
background: center center /cover no-repeat fixed;
background-size: cover;
background-image: url("../img/sts_web_fv.jpg");
position: relative;
}



#header {
width: 100%;
height: 650px;
margin: 30px auto;
position: absolute;
}

.hed_box {
width: 100%;
height: 650px;
margin: 0 auto;
}

.sts_rogo {
width: 81px;
height: 72px;
margin-left: 5%;
}

.sts_rogo a {
display: block;
width: 81px;
height: 72px;
background-image: url("../img/sts_rogo_white.svg");
background-repeat: no-repeat;
background-position: left center;
}

.sts_rogo a:hover {
opacity: 0.7;
}

.tw_lpf_r_box {
width: 90%;
height: 190px;
margin: 0 auto;
padding-top: 130px;
}

.tw_box {
position: fixed;
width: 25px;
height: 190px;
margin: 0;
background-color: #fff;
text-align: center;
}

.tw_box a {
font-family: 'Barlow', sans-serif;
font-size: 0.9rem;
letter-spacing: 0.4rem;
text-indent: 0.9rem;
vertical-align: middle;
-ms-writing-mode: tb-rl;
writing-mode: vertical-rl;
text-decoration: none;
color: #000;
}

.tw_box a:hover {
opacity: 0.7;
}

.lpf_box {
width: 25px;
height: 190px;
float: right;
margin: 0;
}

.lpf_box a {
display: block;
width: 25px;
height: 190px;
background-image: url("../img/lpf_rogo.svg");
background-repeat: no-repeat;
background-position: left center;
}

.lpf_box a:hover {
opacity: 0.7;
}





ul {
list-style: none;
}
	
#navTgl {
display: none;
}

label {
cursor: pointer;
position: fixed;
top: 0px;
right: 0px;
}

.open {
z-index: 10;
width: 60px;
height: 48px;
transition: background .5s, transform .5s cubic-bezier(0.76, 0.52, 0.29, 1.25);
}
.open::before,
.open::after {
content: "";
}
.open span,
.open::before,
.open::after {
content: "";
position: absolute;
top: calc(85% - 1px);
left: 0%;
width: 40%;
border-bottom: 2px solid #000;
transition: transform .5s cubic-bezier(0.76, 0.52, 0.29, 1.25);
}
.open::before {
transform: translateY(-8px);
}
.open::after {
	transform: translateY(8px);
}
.close {
z-index: 9;
width: 100%;
height: 100%;
pointer-events: none;
transition: background .5s;
}
#navTgl:checked + .open span {
transform: scaleX(0);
}
#navTgl:checked + .open::before {
transform: rotate(45deg);
}
#navTgl:checked + .open::after {
	transform: rotate(-45deg);
}
#navTgl:checked ~ .close {
background: rgba(0,50,100,.9);
}



.menu {
z-index: 9;
position: fixed;
overflow: auto;
top: 0;
left: 0;
width: 100%;
height: 100%;
padding: 5%;
margin: 5% auto;
box-sizing: border-box;
transform: translateX(-100%);
transition: transform .5s cubic-bezier(0.33, 1.01, 0.33, 0.97);
}
.menu a {
color: white;
font-family: 'Barlow', sans-serif;
font-size: 0.9rem;
font-weight: medium;
letter-spacing:0.45rem;
}
.menu ul {
padding: 0;
text-align: center;
width: 240px;
margin: 0 auto;
}
.menu li {
font-size: 0.8rem;
line-height: 2rem;
}
.menu a {
display: block;
padding: 1rem;
text-decoration: inherit;
transition: background .5s;
}

.menu li:hover {
opacity: 0.4;
}

#navTgl:checked ~ .menu {
transform: none;
}










.sec_b {
width: 100%;
height: auto;
background-color: #ffffff;
margin: 0 auto;
}

.sec_b_box {
width: 880px;
height: auto;
margin: 0 auto;
padding-top: 90px;
}

.sec_b_ti {
width: 880px;
height: 40px;
margin: 0px auto;
padding: 0px;
text-align: center;
padding-bottom: 40px;
}

.sec_b_ti_book {
font-family: 'Barlow', sans-serif;
font-size: 1.4rem;
letter-spacing: 1rem;
text-indent: 1rem;
}

.book_box {
display: flex;
flex-direction: row;
width: 880px;
height: auto;
margin: 0px auto;
padding: 0;
text-align: center;
padding-bottom: 40px;
}

.book_box_la {
display: flex;
flex-direction: row;
width: 880px;
height: auto;
margin: 0px auto;
padding: 0;
text-align: center;
padding-bottom: 40px;
}

.book_list {
width: 180px;
height:270px;
margin: 0px auto;
padding:0;
}

.book_list a:hover {
opacity: 0.7;
}





#sec_oth {
width: 100%;
height: 340px;
display: flex;
clear: both;
margin: 80px 0 0 0;
}

.sec_oth_box {
width: 450px;
height: 340px;
margin: 0 auto;
text-align: center;
}

.sec_oth_sh {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 0.7rem;
color: #fff;
padding-top: 130px;
line-height: 40px;
letter-spacing:0.7rem;
}

.sec_oth_ti {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 1.3rem;
color: #fff;
padding: 0; 
line-height: 40px;
letter-spacing: 0.8rem;
}

.sec_oth_nov {
width: 50%;
height: auto;
background: url("../img/sts_web_fv_ud_nov.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_bus {
width: 50%;
height: auto;
background: url("../img/sts_web_fv_ud_bus.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_nov a {
text-decoration: none;
}
.sec_oth_nov:hover {
width: 50%;
height: auto;
background: url("../img/ud_nov_coming.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_bus a {
text-decoration: none;
}
.sec_oth_bus:hover {
width: 50%;
height: auto;
background: url("../img/ud_bus_coming.jpg") no-repeat center center;
background-size: cover;
}



.sec_c {
width: 100%;
height: 300px;
clear: both;
margin: 90px 0 0 0;
}

.sec_c_box {
width: 880px;
height: 300px;
margin: 0 auto;
}

.sec_c_toi {
width: 100%;
height: 40px;
margin: 0 auto;
padding: 0px;
font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
font-weight: normal;
font-size: 0.9rem;
text-align: center;
color: #000;
line-height: 40px;
letter-spacing: 0.6rem;
}

.sec_c_adr {
width: 100%;
height: 40px;
margin: 20px auto;
padding: 0px;
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 1.1rem;
text-align: center;
color: #000;
line-height: 40px;
letter-spacing: 0.4rem;
}

.sec_c_ts {
width: 100%;
height: 40px;
margin: 10px auto;
padding: 0px;
font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
font-weight: normal;
font-size: 0.7rem;
text-align: center;
color: #000;
line-height: 30px;
letter-spacing: 0.3rem;
}

.sec_c_lpf {
width: 100%;
height: 30px;
margin: 90px 0px 0px 0px;
padding: 0px;
text-align: center;
}

.sec_c_lpf a {
display: block;
width: 240px;
height: 22px;
margin: 0 auto;
background-image: url("../img/fv_ud_lpf_rogo.svg");
background-repeat: no-repeat;
background-position: left center;
}

.sec_c_lpf a:hover {
opacity: 0.7;
}





#footer {
width: 88%;
height: 60px;
padding-top: 10px;
bottom: 0px;
margin: 0px auto;
}

.text_footer {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-weight:200;
font-size:11px;
color: #000000;
letter-spacing: 0.25rem;
width: 640px;
height: 60px;
margin: 0px auto;
text-align: center;
}



.ptop_btn {
float: right;
padding: 0;
margin: 0;
}

.ptop {
position: fixed;
display: none;
width: 54px;
height: 54px;
text-align: right;
bottom: 40px;
z-index: 100;
}

.ptop:hover{
opacity: 0.5;
}





}




















@media screen and (max-width: 900px){

html{	
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}

body{	
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}

#wrap {
width:100%;
height: auto;
margin:0;
padding: 0;
overflow: hidden;
}	



#section_a {
width: 100%;
height: 600px;
background: center center;
background-size: cover;
background-image: url("../img/sts_web_fv_sp.jpg");
position: relative;
}



#header {
width: 100%;
height: 90%;
margin: 25px auto;
position: absolute;
}

.hed_box {
width: 100%;
height: 90%;
margin: 0 auto;
}

.sts_rogo {
width: 54px;
height: 48px;
margin-left: 5%;
}

.sts_rogo a {
display: block;
width: 54px;
height: 48px;
background-image: url("../img/sts_rogo_white.svg");
background-repeat: no-repeat;
background-position: left center;
}

.tw_lpf_r_box {
width: 90%;
height: 152px;
margin: 0 auto;
padding-top: 130px;
}

.tw_box {
position: fixed;
width: 20px;
height: 152px;
margin: 0;
background-color: #fff;
text-align: center;
}

.tw_box a {
font-family: 'Barlow', sans-serif;
font-size: 0.7rem;
letter-spacing: 0.33rem;
text-indent: 0.7rem;
vertical-align: middle;
-ms-writing-mode: tb-rl;
writing-mode: vertical-rl;
text-align: center;
text-decoration: none;
color: #000;
line-height: 20px;
display:flex
}

.tw_box a:hover {
opacity: 0.7;
}

.lpf_box {
display: none;
}





ul {
list-style: none;
}
	
#navTgl {
display: none;
}

label {
cursor: pointer;
position: fixed;
top: 0px;
right: 0px;
}

.open {
z-index: 10;
width: 60px;
height: 48px;
transition: background .5s, transform .5s cubic-bezier(0.76, 0.52, 0.29, 1.25);
}
.open::before,
.open::after {
content: "";
}
.open span,
.open::before,
.open::after {
content: "";
position: absolute;
top: calc(87% - 1px);
left: 20%;
width: 40%;
border-bottom: 2px solid #000;
transition: transform .5s cubic-bezier(0.76, 0.52, 0.29, 1.25);
}
.open::before {
transform: translateY(-8px);
}
.open::after {
	transform: translateY(8px);
}
.close {
z-index: 9;
width: 100%;
height: 100%;
pointer-events: none;
transition: background .5s;
}
#navTgl:checked + .open span {
transform: scaleX(0);
}
#navTgl:checked + .open::before {
transform: rotate(45deg);
}
#navTgl:checked + .open::after {
	transform: rotate(-45deg);
}
#navTgl:checked ~ .close {
background: rgba(0,50,100,.9);
}



.menu {
z-index: 9;
position: fixed;
overflow: auto;
top: 0;
left: 0;
width: 100%;
height: 100%;
padding: 25% 5% 5% 5%;
margin: 0;
box-sizing: border-box;
transform: translateX(-100%);
transition: transform .5s cubic-bezier(0.33, 1.01, 0.33, 0.97);
}
.menu a {
color: white;
font-family: 'Barlow', sans-serif;
font-weight: normal;
letter-spacing:0.2rem;
}
.menu ul {
padding: 0;
text-align: center;
width: 240px;
margin: 0 auto;
}
.menu li {
font-size: 0.8rem;
line-height: 1.5;
}
.menu a {
display: block;
padding: 1rem;
text-decoration: inherit;
transition: background .5s;
}

.menu li:hover {
opacity: 0.4;
}

#navTgl:checked ~ .menu {
transform: none;
}





.sec_b {
width: 100%;
height: auto;
background-color: #ffffff;
margin: 0 auto;
text-align: center;
}

.sec_b_box {
width: 100%;
height: auto;
margin: 0 auto;
padding-top: 30px;
padding-bottom: 40px;
font-size: 0;
}

.sec_b_ti {
width: 100%;
height: 40px;
margin: 0px auto;
padding: 0px;
text-align: center;
padding-bottom: 10px;
}

.sec_b_ti_book {
font-family: 'Barlow', sans-serif;
font-size: 1rem;
letter-spacing: 1rem;
text-indent: 1rem;
}

.book_box {
display: inline-block;
width: 70%;
height: auto;
margin: 0px auto;
padding: 0;
text-align: center;
padding-bottom: 0px;
clear:both;
font-size: 0;
}

.book_box_la {
display: inline-block;
width: 70%;
height: auto;
margin: 0px auto;
padding: 0;
text-align: center;
padding-bottom: 50px;
clear:both;
font-size: 0;
}

.book_list {
width: 100%;
height: auto;
margin: 0px auto;
padding:0;
}

.book_list a:hover {
opacity: 0.7;
}

.book_list img {
width: 46%;
height: auto;
margin: 2%;
float: left;
}





#sec_oth {
width: 100%;
height: auto;
clear: both;
}

.sec_oth_box {
width: 80%;
height: 240px;
margin: 0 auto;
text-align: center;
}

.sec_oth_sh {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 0.7rem;
color: #fff;
padding-top: 85px;
line-height: 30px;
letter-spacing: 0.4rem;
}

.sec_oth_ti {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 1.1rem;
color: #fff;
padding: 0; 
line-height: 30px;
letter-spacing: 0.4rem;
}

.sec_oth_nov {
width: 100%;
height: auto;
background: url("../img/sts_web_fv_ud_nov.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_bus {
width: 100%;
height: auto;
background: url("../img/sts_web_fv_ud_bus.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_nov a {
text-decoration: none;
}
.sec_oth_nov:hover {
width: 100%;
height: auto;
background: url("../img/ud_nov_coming.jpg") no-repeat center center;
background-size: cover;
}

.sec_oth_bus a {
text-decoration: none;
}
.sec_oth_bus:hover {
width: 100%;
height: auto;
background: url("../img/ud_bus_coming.jpg") no-repeat center center;
background-size: cover;
}





.sec_c {
width: 100%;
height: auto;
clear: both;
margin: 60px 0 0 0;
}

.sec_c_box {
width: 80%;
height: auto;
margin: 0 auto;
}

.sec_c_toi {
width: 100%;
height: auto;
margin: 0 auto;
padding: 0px;
font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
font-weight: normal;
font-size: 0.8rem;
text-align: center;
color: #000;
line-height: 30px;
letter-spacing: 0.4rem;
}

.sec_c_adr {
width: 100%;
height: auto;
margin: 20px auto;
padding: 0px;
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-size: 0.9rem;
text-align: center;
color: #000;
line-height: 30px;
letter-spacing: 0.3rem;
}

.sec_c_ts {
width: 100%;
height: auto;
margin: 10px auto;
padding: 0px;
font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
font-weight: normal;
font-size: 0.55rem;
text-align: center;
color: #000;
line-height: 25px;
letter-spacing: 0.2rem;
}

.sec_c_lpf {
width: 100%;
height: 30px;
margin: 60px 0px 0px 0px;
padding: 0px;
text-align: center;
}

.sec_c_lpf a {
display: block;
width: 240px;
height: 22px;
margin: 0 auto;
background-image: url("../img/fv_ud_lpf_rogo.svg");
background-repeat: no-repeat;
background-position: left center;
}





#footer {
width: 80%;
height: auto;
padding-top:10px;
bottom: 0px;
margin: 0px auto;
}



.text_footer {
font-family: 'Barlow', sans-serif;
font-weight: normal;
font-weight:200;
font-size:10px;
color: #000000;
letter-spacing:1px;
width: 100%;
height: 50px;
margin: 0px auto;
text-align: center;
}



.ptop_btn {
float: right;
padding: 0;
margin: 0;
}

.ptop {
position: fixed;
display: none;
width: 43px;
height: 43px;
text-align: right;
right: 15px;
bottom: 15px;
z-index: 100;
}

.ptop img {
width: 100%;
height: auto;
}

.ptop:hover{
opacity: 0.5;
}





}