.sec {
    border-top: none;
}

.l-sec-btn{
  display: flex;
}
.sec__btn {
    width: fit-content;
    max-width: 100%;
    margin: 2rem 0 4rem 60px;
    text-align: center;
    font-size: .77778rem;
    font-weight: 700;
}
.current{
  color: #a43432;
}

@media only screen and (max-width:900px) {
  .sec__btn {
      margin: 2rem 0 2rem 10px;
      font-size: .6rem;
  }
  .c-btn02 {
      padding: 15px 20px;
  }
}