* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* width: 100%;
  height: 100%; */
}

html,body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.container {
  background: black;
  backdrop-filter: blur(10px);
  width: 100%;
  height: 100%;
  padding-top: 20px;
  box-sizing: border-box;
  overflow: hidden;
}
.logo{
  width: 88px;
  height: 22px;
  margin: 0 auto;
}

.title {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 600;
}

.button-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.button-item{
  width: 50%;
  height: 70px;
  background-image: url(./images/btn1.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.button-item:active {
  transform: scale(0.95);
}
.button-item2{
  width: 50%;
  height: 70px;
  background-image: url(./images/btn2.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.button-item2:active {
  transform: scale(0.95);
}
.button-item3{
  width: 50%;
  height: 70px;
  background-image: url(./images/btn_download.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.button-item3:active {
  transform: scale(0.95);
}

/* card */
.card-container{
  width: 60%;
  margin: 0 auto;
  margin-top: 10%;
  height: auto;
  position: relative;
}
.card_text{
  width:200px;
  height: 14px;
  position: absolute;
  display: inline-block;
  font-size: 10px;
  bottom: 4.4%;
  left: 40%;
  color:#000000;
}
.card_front{
  width: 100%;
  height: auto;
}
.card_back{
  width: 50%;
  height: 70px;
  background-image: url(./images/card_back.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.card_btn_sp{
  width: 56%;
  height: 100px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}
.card_back{
  background-image: url(./images/back.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  width: 50%;
  height: 50px;
}
.btn_sp_item{
  width: 40px;
  height: 40px;
  /* margin-top: 6px; */
  margin-right: 6px;
  background-image: url(./images/icon_download.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}