.openning-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  min-height: 100vh;
  padding: 40px 20px;
  box-sizing: border-box;
  position: relative;
}

.openning-screen .overlap-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 319px;
  margin-bottom: 60px;
}

.openning-screen .screenshot {
  width: 100%;
  max-width: 319px;
  height: auto;
  object-fit: contain;
  margin-bottom: 20px;
}

.openning-screen .text-wrapper-2 {
  width: 100%;
  font-weight: 400;
  font-size: 16px;
  color: #667085b2;
  text-align: center;
  line-height: 20px;
}

.btn {
  width: 100%;
  max-width: 353px;
  position: relative;
  margin: 10px 0;
}

.button-primary { 
  box-shadow: 0 13px 20px -10px black; 
}

.button-secondary { 
  box-shadow: 0 13px 20px -10px; 
}

/* 모바일 (기본) */
@media (max-width: 767px) {
  .openning-screen {
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    padding: 20px;
  }
  
  .openning-screen .overlap-group {
    max-width: none;
  }
  
  .openning-screen .screenshot {
    max-width: none;
  }
  
  .openning-screen .text-wrapper-2 {
    font-size: 14px;
  }
  
  .btn {
    max-width: none;
  }
}

/* 태블릿 */
@media (min-width: 768px) and (max-width: 1023px) {
  .openning-screen {
    max-width: 400px;
    margin: 0 auto;
  }
}

/* 데스크톱 */
@media (min-width: 1024px) {
  .openning-screen {
    max-width: 420px;
    margin: 0 auto;
  }
}