@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap');
body {
  font-family: 'Roboto', -apple-system, 'Hiragino kaku gothic pro', 'メイリオ', sans-serif;
  background-color: #E8E8E8;
  margin: 0;
}

/* img */
img {
  max-width: 100%;
  height: auto;
}

.img_appicon {
  max-width: 30%;
}

.img_screen {
  max-width: 30%
}

.img_applink {
  height: 60px;
  margin: 5px;
}

/* box */
.box_appicon, .box_apptitle, .box_screen, .box_applink, .box_privacy, .box_footer {
  padding: 15px;
  margin: 20px auto;
  max-width: 820px;
}

/* etc */
h1 {
  font-weight: bold;
  font-size: 40px;
}


h3 {
  font-size: 20px;
}

ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding-left: 0;
}

li {
  margin: 10px;
  width: 100px;
  text-align: center;
}

a {
  color: #666666;
  text-decoration: none; 
}

.center {
  text-align: center;
}

.copyright {
  color: #666666;
  font-size: 12px;
}