body {
  background: url("../img/bg_picture.jpg");
  margin: 0;
  padding: 0;
  width:100%;
  background-position: center;
  
}

body {
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}
@font-face {
  font-family: "HiraginoKakuW6";
  src: url("../fonts/HiraginoKakuW6.ttc");
  font-weight: 100;
  font-style: normal;
}
@font-face {
  font-family: "HiraginoKakuW4";
  src: url("../fonts/HiraginoKakuW4.ttc");
  font-weight: 100;
  font-style: normal;
}
@font-face {
  font-family: "SF-Pro-Text-Regular";
  src: url("../fonts/SF-Pro-Text-Regular.otf");
  font-weight: 100;
  font-style: normal;
}



.logo_img{
  margin:auto;
  margin-top: 5%;
  margin-bottom: 5%;
  overflow: visible;
  pointer-events: none;
  background:none !important;
  width: 85%!important;
}
.title_img {
    width: 110%;
    height: 100%;
    margin-top:20px;
    margin-bottom: 20px;
    margin-left: -15px;
    }
.title {
  width: 100%;
  height: 100%;
  font-size: 24px;
  text-align: center;
  color:#2E2E2E;
  margin: auto;
  font-family: "HiraginoKakuW6";
}
.sub_title {
  font-size: 12px;
  color: #979797;
  text-align: center;
  margin: 10px 0 10px;
  font-family: "HiraginoKakuW4";
}
.guide {
  font-size: 16px;
  text-align: center;
  margin-bottom: 10px;
}
.wholepage {
  margin: auto;
  align-items: center;
}

.box_model {
  margin-top:3%;
  padding-left: 1rem;
  padding-right: 1rem;
}

.box-viewer {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 35px;
  height: 35px;
}
#annotation{
  /* background-color: #888888; */
  color: #979797;
  position: absolute;
  bottom: 5px;
  left: 25px;
  padding: 10px;
}
ar-button {
  content: url("../img/ar_btn.png");
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 0.3rem;
  padding-bottom: 0.5rem;
  margin-top: 3%;
  padding-left: 2rem;
  padding-right: 2rem;
  
}
ar-button:active { 
  transform: scale(0.98); 
} 

button {
  border: none;
  padding: inherit;
  outline: none !important;
  bottom: 18px;
  right: 6px;
}

.txt_unsupported{
    margin: auto;
    text-align: center;
    padding-top: 20px;
}
model-viewer{
  width: 100%;
  height: 300px;
  display: block;
  margin: 0 auto;
  border-radius: 15px;
  background-color:white;
}

.arguidetxt{
  text-align: center;
  color: #542B19;
  font-size: min(4.5vw, 23px);
  font-family: "HiraginoKakuW6";
  padding-top: 1.5vh;
  margin-bottom: -30px;
}

.guide_step{
  padding-left: 1rem;
  padding-right: 1rem;
  margin: auto; 
  margin-top: 25px;
}
.guide_step img{
  width: 100%;
  display: block;
  margin: 0 auto;
}

.cover{
  overflow: visible;
  pointer-events: none;
  background:none !important;
}

.box-logo {
  position: relative;
  margin-top: 30px;
  height: 65px;
}

.footer_logo{
  position: relative;
  width: 50%;
  left: 0;
  transform: translateX(50%);
}
.totop{
  position: absolute;
  min-width: 40px;
  max-width: 50px;
  right: 20px;
  bottom: 20px;
}


.registration {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
    padding-left: 2rem;
    padding-right: 2rem;
    }
    
.totop:active { 
  transform: scale(0.98); 
} 

.attribution {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin: 1em;
}

.attribution h1 {
  margin: 0 0 0.25em;
}

.attribution img {
  opacity: 0.5;
  height: 2em;
}

.attribution .cc {
  flex-shrink: 0;
  text-decoration: none;
}

.copyright {
  text-align: center;
  color: black;
  margin-bottom: 10px;
  font-family: 'SF-Pro-Text-Regular';
  font-size: 14px;
}

.wrap {
  max-width: 600px;
  margin: 0px auto;
  text-align: center;
}

.display_area {
  display: flex;
  flex-wrap: wrap;
}

.box {
  text-align: center;
  width: 50%;
}

.card-title {
  text-align: left;
}
.card-img-top {
  width: 100%;
}
.card-header {
  text-align: center;
}

@media screen  {

  .container{
    max-width: 500px;
    height: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
    margin-top: 10%;
  }
  .container2{
    max-width: 800px;
    padding-left: 2rem;
    padding-right: 2rem;
    height: 100%;
    margin-top: 10%;
  }
  .container_guide{
    max-width: 500px;
    height: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
    margin-left:auto;
    margin-right:auto;
  }
}

@media (min-height: 1200px){
  .container{
    margin-top: 3%;
  }
}
@media (min-height: 1900px){
  .container{
    margin-top: 10%;
  }
}

@media (min-width: 1000px){
  .container{
    margin-top: 3%;
  }
  @media (max-width: 400px){
    .body{
      background-size: 375px 100%;
      background-position: center center;
    }
}
}