.hidden{
  display: none;
}

.container {

  padding: 0 15px;
  margin: 0 auto;
}

.apps{
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
}

.card{
  width: 250px;
  border: 2px solid #272343;
  border-radius: 8px;
  padding: 15px;
  background-color: #fffffe;
  text-align: center;
}



.card h3{
  color: #272343;
  margin-bottom: 10px;
}

.card p{
  font-size: 14px;
  color: #666;
}

.card-img{
  width: 100%;
  height: auto;
  border-bottom: 1px solid #eee;
}

.card-body{
  padding: 15px;
}

.btn{
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  background-color: #e3f6f5;
  color: #272343;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid #272343;
}

.btn:hover{
  background-color: #ffd803;
}


.top-wrapper {
  padding: 180px 0 100px 0;
  
  background-size: cover;
  background-color: #dfe0df;
  text-align: center;
}

header {
  background-color: #fffffe;

  padding: 10px 0;
}

header .container{
  display: flex;
  justify-content: space-between;
  align-items: center;
}


.logo {
  width:auto;
  height: 90px;
  display: block;
  margin-left: 10px;
}

.header-left {
  float: left;
}

.header-right {
  float: right;
  background-color: rgba(255, 255, 255, 0.3);
  transition: all 0.5s;
}


.header-right a {
  line-height: 80px;
  padding: 0 25px;
  color: #dfe0df;
  display: block;
}
footer {
  background-color: #333; /* 暗めの色にするとサイトが締まる */
  color: #fff;
  padding: 40px 0;
  margin-top: 50px;       /* コンテンツとの間に距離を置く */
  text-align: center;
}

footer p {
  font-size: 14px;
  opacity: 0.8;           /* 少し文字を薄くする */
}