.main{
  color: var(--main-font-color);
  background-color: var(--main-bg-color);
  z-index: 10;
  padding-bottom: 50px;
  @media screen and (min-width: 961px){
    padding-top: 100px;
  }
}
.sentence{
  position: relative;
  @media screen and (min-width: 961px){
    left: 20vw;
    width: 60vw;
  }
  @media screen and (max-width: 960px){
    left: 10vw;
    width: 80vw;
  }
}
.expose{
  position: relative;
  ul{
    display: flex;
    flex-direction: column;
    list-style-type: "※";
    margin: 0;
    padding: 0;
    li{
      margin: 7px 0;
    }
  }
}
.entry-form{
  margin: 10px 0;
  @media screen and (max-width: 960px){
    position: relative;
    left: -10vw;
    width: 100vw;
  }
  iframe{
    aspect-ratio: 640 / 970;
    @media screen and (min-width: 961px){
      width: 100%;

    }
    @media screen and (max-width: 960px){
      position: relative;
      left: 5vw;
      width: 90vw;
    }
  }
}

@media screen and (min-width: 961px){
  .contact-button{
    position: relative;
    top: 30px;
    width: 80%;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: var(--cursor-pointer);
    transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
    z-index: 1;
    border: 3px solid var(--main-button-color);
    color: var(--main-button-color);
    background: var(--main-button-bg-color);
    margin: 0 auto;
    margin-bottom: 50px;
  }
  .contact-button::after{
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    transform: scale(0, 1);
    transform-origin: center center;
    transition: .2s cubic-bezier(0, 2, 1, -1);
    z-index: -1;
    background: var(--main-button-color);
  }
  .contact-button:hover{
    color: var(--main-button-font-color);
  }
  .contact-button:hover::after{
    transform: scale(1, 1);
  }
}
@media screen and (max-width: 960px){
  .contact-button{
    position: relative;
    margin: 0 auto;
    margin-top: 30px;
    width: 80vw;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    cursor: var(--cursor-pointer);
    border-radius: 10000px;
    transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
    box-sizing: border-box;
    border: 3px solid var(--main-button-color);
    color: var(--main-button-color);
    background-color: var(--main-button-bg-color);
    margin-bottom: 50px;
  }
}