@charset "utf-8";

/*------------------------------general*/

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic Pro", Meiryo, "MS PGothic", sans-serif;
  background-color: #edf4ff;
}

main {
  /* padding-top: 100px;
  margin-top: -100px; */
}
#about,
#feature,
#userguide,
#support,
#link {
  padding-top: 100px;
  margin-top: -100px;
}
header {
  background-color: #2c4773;
}

.container {
  margin: 3em auto;
}
ol li,
ul li {
  text-indent: -1em;
  padding-left: 1em;
}
ol,
ul {
  padding-left: 0;
}

img.sm-display-block {
  display: none;
}
#userguide a,
#support a,
.text-parag a {
  color: #2c4773;
}
.button-contact a:hover,
.button-orange a:hover {
  color: currentColor;
}
.centering {
  display: flex !important;
  align-items: center !important;
}
.header-logo {
  color: #fff;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.25em;
}
.header-logo img {
  width: 100%;
  height: auto;
  margin: 10px 0 5px;
}
.header-pc-nav {
  position: relative;
  text-align: center;
}
.header-pc-nav ul {
  margin-bottom: 0.5em;
  text-align: center;
}
.header-pc-nav a {
  color: #fff;
  text-decoration: none;
}
.header-pc-nav li {
  list-style-type: none;
  display: inline-block;
  text-align: center;
}
.header-pc-nav li:hover {
  border-bottom: 2px solid #fff;
  padding-bottom: 0;
}

.top_image {
  background-image: url(../images/header_image.png);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  width: 100vw;
  height: 75vh;
  text-align: center;
  background-color: #9db9d4;
}
.top_image .button-orange {
  text-align: center;
  padding: 0.5em 1em;
  text-shadow: none;
  font-size: 1.5em;
}
.topimage_text {
  margin: 0 auto;
  text-shadow: 2px 2px 0 #9db9d4, -2px -2px 0 #9db9d4, -2px 2px 0 #9db9d4, 2px -2px 0 #9db9d4, 0px 2px 0 #9db9d4, 0 -2px 0 #9db9d4, -2px 0 0 #9db9d4, 2px 0 0 #9db9d4;
  width: 100vw;
}
.topimage_text h1 {
  font-size: calc(2em + 1vw);
  letter-spacing: 0.05em;
  font-weight: 600;
  line-height: 1.5;
  text-shadow: 2px 2px 0 #fff, -2px -2px 0 #fff, -2px 2px 0 #fff, 2px -2px 0 #fff, 0px 2px 0 #fff, 0 -2px 0 #fff, -2px 0 0 #fff, 2px 0 0 #fff;
}
.topimage_text span {
  font-size: 2em;
  text-shadow: 2px 2px 0 #fff, -2px -2px 0 #fff, -2px 2px 0 #fff, 2px -2px 0 #fff, 0px 2px 0 #fff, 0 -2px 0 #fff, -2px 0 0 #fff, 2px 0 0 #fff;
}
.lead_text {
  width: 80%;
  max-width: 1100px;
  min-width: 300px;
  font-size: 1.3em;
  margin: 1.5em auto;
}
.button_line {
  border: 2px solid #b1c6d9;
  color: #b1c6d9;
  padding: 0.5em 1em;
  display: inline-block;
  text-shadow: none;
  border-radius: 5px;
  text-decoration: none;
}
.button_line:hover {
  background-color: rgba(4, 191, 191, 0.5);
  color: #fff;
}
.index-blue {
  color: #2c4773;
  background-color: #b1c6d9;
  border-left: 15px solid #2c4773;
  border-right: 15px solid #2c4773;
  font-weight: 600;
  text-align: center;
}
.index-line {
  color: #2c4773;
  border-bottom: 3px solid #b1c6d9;
  padding: 0.25em 1em;
  text-align: center;
  width: 80%;
  margin: 1em auto;
}
.index_bold {
  font-size: calc(0.6em + 1vw);
  font-weight: 600;
  text-align: center;
}
.text-parag img,
.text-unit img {
  max-width: none;
  min-width: auto;
}
.contents_section {
  margin: 2em auto;
}
.courses img {
  width: 100%;
  height: auto;
}
.checkbox {
  list-style: none;
  font-size: 1.2em;
  font-weight: 600;
  color: #516f9e;
}
.checkbox li::before {
  content: url(../images/checkbox.png);
  width: auto;
  height: 1em;
}
.text-fontsize {
  font-size: 150%;
}
.strength {
  border: 5px solid #edf4ff;
  background-color: #fff;
  border-radius: 1em;
  padding: 1em;
  text-align: center;
}
.strength img {
  height: 18vh;
  width: auto;
}
.flow {
  text-align: center;
}
.flow_arrow {
  height: 50px;
  background-image: url(../images/flow.png);
  background-repeat: no-repeat;
  background-size: contain;
}
img.yajirushi {
  width: 50px;
  max-width: none;
  min-width: auto;
}
#footer {
  background-color: #2c4773;
  color: #fff;
  text-align: center;
}
.footer-frame {
  background-color: #2c4773;
}

@media (min-width: 1200px) {
  .feature {
    min-height: 300px;
  }
}
@media (min-width: 992px) {
  .xl-display-block {
    display: none;
  }

  div.header_smt {
    display: none;
  }
  .lg-display-block {
    display: none;
  }
  .lg-display-none {
    display: block;
  }
}
@media (max-width: 992px) {
  .header_pc {
    display: none;
  }
  .header_smt {
    display: block;
    width: 100%;
    height: 65px;
    background-color: #2c4773;
  }
  .header-logo {
    text-align: left;
  }
  .header-logo img {
    width: auto;
    height: 2vh;
    margin-bottom: 0;
  }

  .lead_text {
    font-size: 1.2em;
    width: 100%;
  }
  .topimage_text span {
    font-size: 1.5em;
  }
  .menu-btn span,
  .menu-btn span:before,
  .menu-btn span:after {
    background-color: #fff;
  }
  .menu-btn::after {
    color: #fff;
  }
  .menu-content {
    background-color: #2c4773;
    margin-top: 65px;
    height: 100vh;
    min-height: 400px;
  }
  .menu-content ul li a::before {
    content: none;
  }
  .menu-content ul {
    padding: 1em;
    padding-bottom: 0;
  }
  .menu-content ul li a {
    padding: 15px;
  }
  .xl-display-block {
    display: block;
  }
  .lg-display-block {
    display: block;
  }
  .lg-display-none {
    display: none;
  }

  #other .col-lg-4 {
    margin: 15px 0;
  }
}
@media (max-width: 768px) {
  .top_image {
    height: calc(100vh - 65px);
    background-image: none;
  }
  .topimage_text span {
    text-shadow: none;
  }
  .lead_text {
    font-size: 1em;
  }
  .top_image .button-orange {
    font-size: 1.2em;
  }
  /* .topimage_text {
    margin-top: 65px;
  } */
  .text-md-end {
    text-align: center;
    margin: 15px auto;
  }
  .checkbox {
    font-size: 1em;
  }
  .feature {
    height: auto;
    min-height: unset;
    text-align: center;
  }
  .text-fontsize {
    font-size: 120%;
  }
  #details img {
    width: 100%;
  }
  #support .text-parag {
    text-align: center;
    margin: 15px 0;
  }

  .index-line {
    width: 100%;
    font-size: 1.25em;
  }
  .md-display-block {
    display: block;
  }
  .text-parag img,
  .text-unit img {
    width: 60%;
    height: auto;
  }
}

@media (max-width: 576px) {
  /* .header-logo img {
    width: 100%;
    height: auto;
  } */
  .topimage_text h1 {
    font-size: 2em;
    letter-spacing: 0.2em;
    line-height: 1.2em;
    margin: 0.5em auto;
  }
  .topimage_text span {
    font-size: 1em;
    font-weight: 600;
    line-height: 1.5;
  }
  img.sm-display-block {
    display: block;
  }
  .flow_arrow {
    background-image: none;
  }
  .flow_arrow img {
    margin: 0 auto;
    width: 50px;
  }
}