div.is-hidden {
    display: none;
}
div.is-visible {
    display: block;
}
body {
    text-align: center;
    user-select: none;
}

#program {
    background: url("../images/program-bg.jpg")no-repeat center center;
    overflow: auto;
    overflow-x: hidden;
    position: relative;
    width: 100%;
    height: 100%;
}

#program .page-title {
    text-align: center;
    font-family: 'Philosopher',serif;
    font-size: 5rem;
    margin-top: 15px;
    color: #432;
}

.main-nav {
  display: flex;
  font-size: 1.25rem;
  margin-top: 20px;
  margin-bottom: 0px;
  margin-left: -10px;
  list-style: none;
  font-family:'Vollkorn',serif;
}

.main-nav  li{
  font-size: 1.25rem;
  margin-top: 25px;
  margin-left: 25px;
  text-transform: uppercase;
  font-family: 'Vollkorn';
}
.main-nav a{
  color: #432;
}

.main-nav a:hover{
  color: #80a491;
}

.answer {
    display: inline-block;
    padding: 0.5em 1em;
    margin: 2em 0;
    font-weight: bold;
    color: #6091d3;
    background: #dbedf0;
    border: solid 3px #6091d3;
    border-radius: 60px;
}
.select {
    display: inline-block;
    padding: 0.5em 1em;
    margin: 2em 0;
    font-weight: bold;
    color: #fff;/*文字色*/
    background: #94c674;/*背景色*/
    border: solid 3px #6091d3;/*線*/
    border-radius: 60px;/*角の丸み*/
}
.select:hover {
    background: #333;/*背景色*/
    border: 2px solid #333;
    color: #000;/*文字色*/
    cursor: pointer;/*カーソルをポインターに変える*/
}
p {
    padding: 0.5em 1em;
    margin: 2em 0;
    font-weight: bold;
    color: #6091d3;/*文字色*/
}
#start:hover {
    border: 2px solid #333;/*線*/
    cursor: pointer;/*カーソルをポインターに変える*/
}