table {
  border-collapse: collapse;
  width: 100%;
}
th,
td {

  text-align: center;

}
th {
  font-weight: normal;
  font-size: .875rem;
  color: #666;
  background: #eee;
  position: sticky;
  top: 0;
}
img {
  
  display: block;
  margin: 0 auto;
  margin-bottom: .5rem;
}

@media(max-width: 500px) {
  .heading {
    display: none;
  }
  td {
    display: block;
  }
  .car-name {
    background: #eee;
  }
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  font-family: 'El Messiri', sans-serif;
}


.box2 {
    padding: 0.5em 1em;
    margin: 2em 0;
    font-weight: bold;
    color: #6091d3;/*文字色*/
    background: #FFF;
    border: solid 3px #6091d3;/*線*/
    border-radius: 10px;/*角の丸み*/
}
.box2 p {
    margin: 0; 
    padding: 0;
}

.btn-circle-3d {
  display: inline-block;
  text-decoration: none;
  background: #87befd;
  color: #FFF;
  width: 120px;
  height: 120px;
  line-height: 120px;
  border-radius: 50%;
  text-align: center;
  font-weight: bold;
  overflow: hidden;
  box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
  border-bottom: solid 3px #87eefd;
  transition: .4s;
}

.btn-circle-3d:active {
  -webkit-transform: translateY(2px);
  transform: translateY(2px);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
  border-bottom: none;
}