body{
  margin:0;
  font-size:0;
}

.wrapper{
  width:750px;
  margin:0 auto;
}

#header{
  background-color:#333F50;
  position:fixed;
  height:40px;
  width:100%;
  top:0;
  left:0;
  z-index:1;
}

#main-logo{
  width:150px;
  margin:0;
}

nav.globalMenuSp {
  position: fixed;
  z-index: 2;
  top: 0;
  left: 0;
  background: #fff;
  text-align: center;
  transform: translateY(-100%);
  transition: all 0.6s;
  width: 100%;
}

nav.globalMenuSp ul {
  background: #ccc;
  margin: 0 auto;
  padding: 0;
  width: 100%;
}

nav.globalMenuSp ul li {
  font-size: 1.1em;
  list-style-type: none;
  padding: 0;
  width: 100%;
  border-bottom: 1px dotted #333;
  height:58px;
}

nav.globalMenuSp ul li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

nav.globalMenuSp ul li a {
  display: block;
  color: black;
  padding: 1em 0;
  font-size: 20px;
  font-weight:bold;
  text-decoration:none;
}

nav.globalMenuSp.active {
  transform: translateY(0%);
}

.navToggle {
  display: block;
  position: fixed;
  right: 12px;
  top: 1px;
  width: 42px;
  height: 51px;
  cursor: pointer;
  z-index: 3;
  text-align: center;
}

.navToggle span {
  display: block;
  position: absolute;
  width: 30px;
  border-bottom: solid 3px #fff;
  -webkit-transition: .35s ease-in-out;
  -moz-transition: .35s ease-in-out;
  transition: .35s ease-in-out;
  left: 6px;
}

.navToggle span:nth-child(1) {
  top: 9px;
}

.navToggle span:nth-child(2) {
  top: 18px;
}

.navToggle span:nth-child(3) {
  top: 27px;
}

.navToggle.active span:nth-child(1) {
  top: 18px;
  left: 6px;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.navToggle.active span:nth-child(2),
.navToggle.active span:nth-child(3) {
  top: 18px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}



#iframe-head, #iframe-foot, #iframe-top-third, #iframe-bottom{
  border:none;
  margin: auto;
  display: block;
}

.selection{
  display:block;
}

.selection h2{
  font-size:35px;
  font-weight:bold;
  color:black;
  margin:20px 0 10px 20px;
}

.selection-box{
  display:block;
  overflow:hidden;
  margin:40px 0px 10px 15px;
}

.box-left{
  float:left;
}

.ladder-selection h3{
  font-size:23px;
  font-weight:bold;
  margin:15px 0 15px 20px;
  display:inline-block;
}

.ladder-selection p{
  margin:15px 0 15px 10px;
  display:inline-block;
}

select{
  border :1px solid #eee;
  font-size:23px;
  font-weight:bold;
}

.btn-choice{
  display:flex;
}

.btn-choice a{
  font-size:30px;
  color:white;
  text-decoration:none;
}

.btn:hover{
  opacity:1;
}

.url{
  display:none;
}

.btn-choice1 a{
  font-size:15px;
  font-weight:bold;
  color:white;
  text-decoration:none;
}

.btn-annotation1{
  padding:1px 10px;
  margin:-19px 0 0 35px;
  background:#800000;
  color:white;
  display:inline-block;
  opacity:0.8;
  border-radius:4px;
  position:absolute;
  cursor:pointer;
}

.explanation-wrapper, .annotation-wrapper {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: none;
}

.modal-left {
  position: absolute;
  inset: 0;
  margin: auto;
  background-color: #e6ecf0;
  padding: 15px 5px;
  border-radius: 10px;
  width: 330px;
  height: 330px;
  text-align: left;
}

.fa-times {
  position: absolute;
  top: 12px;
  right: 12px;
  color: rgba(128, 128, 128, 0.46);
  cursor: pointer;
  z-index:2;
}

.fa-times-explanation {
  position: absolute;
  top: -20px;
  right: 20px;
  color: rgba(128, 128, 128, 0.46);
  cursor: pointer;
  z-index:2;
}

.fa {
  margin-right: 5px;
  font-size:30px;
  font-weight:bold;
}

#explanation-form{
  width: 100%;
}

.close-modal{
  text-align:center;
}

.close-modal a{
  display: inline-block;
  padding: 12px 50px;
  background-color: #003399;
  border: none;
  border-radius: 3px;
  color: white;
  margin: 10px auto;
  cursor: pointer;
  font-size:20px;
  font-weight:bold;
  text-decoration:none;
}

h3{
  font-size: 17px;
  font-weight:normal;
  color: #5f5d60;
  margin-top: 0px;
  margin-bottom: 20px;
}

#explanation-form p{
  color: #5f5d60;
  letter-spacing: 1px;
  margin-top: 30px;
  margin-bottom: 15px;
  font-size:17px;
  font-weight:bold;
  position: relative;
  display: inline-block;
  padding: 0 24px;
}

.main-cap{
  color:maroon;
  font-size:30px;
  font-weight:bold;
  text-align:center;
}

.small-cap{
  font-size:20px;
  text-align:center;
}

#iframe-top-third, .angle, .point1, .point2, .point3, .point4, .point5, .btn-choice{
  display:none;
}

.ladder-selection h3{
  font-size:20px;
  font-weight:bold;
  margin:0px 0 0px 0px;
  display:inline-block;
}

select{
  border :1px solid #eee;
  font-size:20px;
  font-weight:bold;
}

option{
  font-size:15px;
  font-weight:bold;
}

.main-wrapper{
  height:455px
}

.btn-choice1 a{
  font-size:17px;
  font-weight:bold;
  color:white;
  text-decoration:none;
}

.btn-annotation1{
  padding:10px 15px;
  margin:10px 0 0 15px;
  background:#800000;
  color:white;
  display:inline-block;
  opacity:0.8;
  border-radius:10px;
  position:absolute;
  cursor:pointer;
}

#add{
  position:absolute;
  margin:0px 0 0 190px;
  padding:10px 25px;
  font-size:28px;
  background:#000099;
  color:white;
  border-radius:10px;
  opacity:0.8;
  display:block;
}

.preview-visual{
  width:130px;
  height:295px;
  border:solid 2px black;
  float:left;
  margin:45px 0 0 2px;
  padding-right:15px;
}

.main-visual img{
  width:135px;
  margin:20px 0 0 5px;
}

.ex-name, .number{
  text-align:center;
}

.ex-name p{
  font-size:14px;
  font-weight;bold;
  line-height:14px;
  margin-top:10px;
  margin-bottom:0px;
  margin-left:15px;
}

.number p{
  font-size:15px;
  font-weight;bold;
  margin-top:0px;
  margin-bottom:0px;
}

.main-title{
  margin-top:0px;
  text-align:center;
}

h1 {
  font-size:25px;
  color:midnightblue;
  position: relative;
  display: inline-block;
  padding: 0 30px;
  margin-bottom:0px;
}

h1:before, h1:after {
  content: '';
  position: absolute;
  top: 45%;
  display: inline-block;
  width: 25px;
  height: 2px;
  border-top: solid 1px midnightblue;
  border-bottom: solid 1px midnightblue;
}

h1:before {
  left:0;
}
h1:after {
  right: 0;
}

.main-title p {
  font-size:12px;
  color:black;
  position: relative;
  display: inline-block;
  text-align: left;
  margin:0 5px 5px 10px;
}

#number{
  margin-left:10px;
}

#iframe-bottom{
  border:none;
  margin: auto;
  display: block;
}