/* モバイル(基準) - メディアクエリなし */
.container {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
}
/* 画像の基本設定(モバイルファースト) */
img {
  max-width: 100%; /* 親要素からはみ出さない */
  height: auto; /* 縦横比を保つ */
  display: block;
  margin:auto;
}

body{
  background-color:beige;
  font-family: Arial, Helvetica, sans-serif;
}

.box-navy{
  text-align: center;
  font-size: large;
  padding:2rem;
  line-height: 3rem;
  color:beige;
  background-color: #171c61;
}
p.navy{
  width:90%;
  max-width:480px;
  margin:3rem auto;
  text-align: justify;
  line-height: 2rem;
}
h1{
  margin:0;
  padding:5rem 0 0;
  background-color: rgba(255,232,147,1);
}

hr{
  margin: 2rem auto 1rem;
  width:100%;
  max-width:700px;
}

.navi  {
  margin:2rem auto;
  text-align: center;
}

.navi li {
  width:70%;
  margin:1rem auto;
}

.image_link{
  display: flex;
  justify-content: center;
  align-items: center;
}

.image_link img{
  transition:0.3s;
  display:block;
  width:80%;
}

.image_link:hover img{
  opacity:0.8;
}

.box-dot{
  text-align: center;
  padding:5rem 0;
  line-height: 3rem;
  background-color: white;
  background-image: url(../kamisuki/img/bg-dot.png);
  margin:0 auto;
}

.box-dot p,.box-white p{
  width:90%;
  max-width:480px;
  margin:2rem auto 5rem;
  text-align: justify;
  color:#333333;
  line-height: 2rem;
}

h2,.kame{
  margin: 2rem auto;
  text-align: center;
  font-size: 28pt;
  font-weight: 700;
  color: #171c61;
}

h3{
  padding:1rem;
  background-color: rgba(255,232,147,0.5);
}

.mb3rem{
  margin-bottom: 3rem;
}

.mt3rem{
  margin-top: 3rem;
}

.box-white{
  background-color: white;
  margin:0 auto;
  padding-bottom:10rem;
}

.width620{
  width:100%;
  max-width:570px;
}

.btn-gradient-3d-orange {
  width:90%;
  padding: 0.3rem 1rem;
  text-decoration: none;
  border-radius: 4px;
  color: #ffffff;
  background-image: linear-gradient(45deg, #FFC107 0%, #ff8b5f 100%);
  box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
  border-bottom: solid 3px #c58668;
  display: inline-flex;
  align-items: center;
}

/* タブレット以上(768px以上)に適用 */
@media (min-width: 768px) {
  .container {
    max-width: 750px;
    margin: 0 auto;
  }

  .navi  {
  margin:2rem auto;
  text-align: center;
  display: flex;
  }

  .navi li {
    flex: auto;
  }

  h2,.kame{
    margin: 2rem auto;
    text-align: center;
    font-size: 36pt;
    font-weight: 700;
    color: #171c61;
  }

  .btn-gradient-3d-orange {
    width:auto;
    padding: 0.5rem 1rem;
    text-decoration: none;
    font-weight: bold;
    font-size:large;
    border-radius: 4px;
    color: #ffffff;
    background-image: linear-gradient(45deg, #FFC107 0%, #ff8b5f 100%);
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
    border-bottom: solid 3px #c58668;
    display: inline-flex;
    align-items: center;
  }
  .btn-gradient-3d-orange:hover {
    -webkit-transform: translateY(4px);
    transform: translateY(4px);
    box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.2);
    border-bottom: none;
  }
}