@charset "UTF-8";
/* CSS Document */
body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  color: #333333;
  text-align: left;
  background-color: #fff;
}
a {
  color: #333;
  text-decoration: none;
}
a:hover {
  text-decoration: none;
  opacity: 0.7;
  -webkit-transition: 0.2s ease-in-out;
  -moz-transition: 0.2s ease-in-out;
  -o-transition: 0.2s ease-in-out;
  transition: 0.2s ease-in-out;
}
a:hover img {
  opacity: 0.7;
  filter: alpha(opacity=70);
  -moz-opacity: 0.7;
  -webkit-transition: 0.2s ease-in-out;
  -moz-transition: 0.2s ease-in-out;
  -o-transition: 0.2s ease-in-out;
  transition: 0.2s ease-in-out;
}
p {
  margin-bottom: 0;
  padding-botom: 0px;
  line-height: 2.0 !important
}
img {
  vertical-align: baseline;
}
/* タイトル・フォントcss　*/
.f300 {
  font-weight: 300
}
.f400 {
  font-weight: 400
}
.f500 {
  font-weight: 500
}
.f700 {
  font-weight: 700
}
.f900 {
  font-weight: 900
}
.line_h16 {
  line-height: 1.6
}
.letters01 {
  letter-spacing: 0.1em !important
}
.text_10 {
  font-size: 10px
}
.text_12 {
  font-size: 12px
}
.text_14 {
  font-size: 14px
}
.text_15 {
  font-size: 15px
}
.text_16 {
  font-size: 16px
}
.text_18 {
  font-size: 18px !important
}
.text_20 {
  font-size: 20px
}
.text_22 {
  font-size: 22px !important
}
.text_24 {
  font-size: 24px
}
.text_25 {
  font-size: 25px
}
.text_26 {
  font-size: 26px
}
.text_30 {
  font-size: 30px
}
.text_32 {
  font-size: 32px
}
.text_34 {
  font-size: 34px
}
/*マージン指定*/
.mrg_b25 {
  margin-bottom: 25px;
}
.mrg_b50 {
  margin-bottom: 50px;
}
.mrg_b75 {
  margin-bottom: 75px;
}
.mrg_b100 {
  margin-bottom: 100px;
}
.l_height15 {
  line-height: 1.5em !important
}
.nav-item a, .dropdown-item {
  color: #333;
}
.nav-item a:hover, .dropdown-item:hover {
  color: #555;
}
/*タイトル*/
.blue {
  color: #00aeec;
}
h2.sec {
  font-weight: 500;
  color: #fff;
  text-align: center;
  background-color: #00aeec;
  width: 100%;
  font-size: 24px;
  margin-bottom: 0px !important;
  padding: 20px 0px;
}
h2.blue_ttl {
  color: #00aeec;
  font-size: 24px;
  text-align: center;
  font-weight: 400;
}
h3.black_ttl {
  font-size: 30px;
  color: #333;
  text-align: center;
  font-weight: 500;
}
h3.blue {
  font-size: 24px;
  color: #00aeec;
  font-weight: 500;
}
h3.orange {
  font-size: 24px;
  color: #f39800;
  font-weight: 500;
}
h4.blue_under {
  border-bottom: 1px solid #00aeec;
  font-size: 22px;
  font-weight: 500;
  color: #000;
  padding-bottom: 5px;
}
h4.orange {
  font-size: 20px;
  font-weight: 400;
  border-bottom: #ddd 1px solid;
  border-left: 4px solid #f39800;
  padding-left: 8px;
  padding-bottom: 5px;
  color: #333;
  margin-bottom: 1em;
}
h4.blue {
  font-size: 20px;
  font-weight: 400;
  border-bottom: #ddd 1px solid;
  border-left: 4px solid #00aeec;
  padding-left: 8px;
  padding-bottom: 5px;
  color: #333;
  margin-bottom: 1em;
}
/*背景色*/
.lb_bk {
  background-color: #e7f9ff;
  width: 100%;
  padding: 50px 0;
}
/*indexページボタン*/
.blue_btn a {
  padding: 3px 20px;
  background-color: #00aeec;
  color: #fff;
  font-wight: bold;
  font-size: 20px;
  float: right;
  margin: 30px 0 5px 0;
  box-shadow: 0 1px 0 #aaa;
  border-radius: 2px;
}
.clear_btn a {
  padding: 3px 20px;
  color: #00aeec;
  border: 1px solid #00aeec;
  font-wight: bold;
  font-size: 20px;
  float: right;
  margin: 30px 0 5px 0;
  background-color: rgba(255, 255, 255, 0.70);
  transform: 0.2s
}
.clear_btn:hover {
  opacity: 0.4
}
/*音声ボタンcss*/
button:active {
  opacity: 0.5
}
img.accent:active {
  opacity: 0.5
}
button.lb_btn {
  display: block;
  height: 60px;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
  background-color: #dbf6ff;
  box-shadow: 1px 1px 1px 1px #e4e4e4;
  width: 100%;
  font-weight: 500;
  position: relative;
  border: none;
  outline: none;
}
button.lb_btnexc {
  line-height: 1.4em;
}
button.lb_btn:active, button.orange_btn:active {
  opacity: 0.5
}
button.orange_btn {
  display: block;
  height: 60px;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
  background-color: #ffe3b9;
  box-shadow: 1px 1px 1px 1px #e4e4e4;
  width: 100%;
  font-weight: 500;
  position: relative;
  border: none;
  outline: none;
}
.volume_position {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-13px)
}
button.sec4_btn {
  display: flex;
  height: 60px;
  width: 100%;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: #dbf6ff;
  box-shadow: 1px 1px 1px 1px #e4e4e4;
  position: relative;
  border: none;
  outline: none;
}
button.sec4_btn:active {
  opacity: 0.5
}
button.sec4_btn img {
  display: block;
  max-height: 50px;
  max-width: 90%;
}
button.sec4_btn > .sec4_volume_position {
  position: absolute;
  right: 15px;
}
button.sec4o_btn {
  display: flex;
  height: 60px;
  width: 100%;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: #ffe3b9;
  box-shadow: 1px 1px 1px 1px #e4e4e4;
  position: relative;
  border: none;
  outline: none;
}
button.sec4o_btn img {
  display: block;
  max-height: 50px;
  max-width: 90%;
}
button.sec4o_btn > .sec4_volume_position {
  position: absolute;
  right: 15px;
}
butoon.sec4_btn:active {
  opacity: 0.5
}
/*   .orange_btn:after{
           font-family: "Font Awesome 5 Free"; font-weight: 900; content: "\f028";
          position: absolute;
          right: 20px;
      }*/
.meaning {
  padding-top: 5px;
  font-size: 14px;
  font-weight: 500;
  text-align: center
}
footer {
  background-color: #f8f8f8;
  border-bottom: #00aeec 4px solid;
  padding: 50px 0px;
  margin-top: 75px;
}
.japanese {
  float: right;
  display: block;
  color: #333;
  text-align: center;
}
.japanese img:hover {
  opacity: 0.7
}
/*ツールチップ*/
.ttpShow {
  display: none;
}
#ttpPanel {
  padding: 15px;
  width: 100%px;
  text-align: left;
  display: none;
  background: #fff;
  border: #ccc 3px solid;
  position: absolute;
  z-index: 99;
}
.popup {
  display: none;
  height: 100vh;
  width: 100%;
  background: #e7f9ff;
  opacity: 0.95;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
}
.content {
  background: #fff;
  padding: 30px;
  width: 75%;
  font-size: 15px;
  line-height: 1.6em
}
.show {
  display: flex;
  justify-content: center;
  align-items: center;
}
.kagi_wrap {
  display: inline-block;
  font-size: 24px;
  letter-spacing: 0.1em;
  font-weight: 400;
  line-height: 1.3em;
}
.red_kagi {
  display: inline-block;
  position: relative;
}
.red_kagi::after {
  position: absolute;
  content: "";
  border-top: red 2px solid;
  border-right: red 2px solid;
  width: 10px;
  height: 10px;
  top: 0;
  right: 0;
}
/*sec5-6のボタン*/
.kagi_wrap56 {
  margin-right: 20%;
  display: inline-block;
  font-size: 24px;
  letter-spacing: 0.1em;
  font-weight: 400;
  line-height: 1.3em;
}