.thanks-title{
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 720px;
    padding: 100px 0 40px 0;
    gap: 8px;
    margin: auto;
}
.circle {
    position: relative;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    box-shadow: inset 0 0 0 5px #364853;
    animation: filling 0.2s ease-in 0.8s forwards;
  }
  
  .cover1, .cover2 {
    position: absolute;
    overflow: hidden;
    width: 50%;
    height: 100%;
  }
  .cover1:before, .cover2:before {
    position: absolute;
    content: "";
  }
  
  .cover1 {
    left: 50%;
  }
  .cover1::before {
    width: 100%;
    height: 200%;
    background: linear-gradient(#FFFAF9, #FFDED8);
    transform-origin: 0 25%;
    animation: draw 0.2s linear forwards;
  }
  
  .cover2:before {
    left: -10%;
    width: 110%;
    height: 120%;
    background: #FFFAF9;
    transform-origin: 100% 40%;
    animation: draw 0.2s ease-out 0.2s forwards;
  }
  
  .check {
    position: absolute;
    width: 100%;
    text-align: center;
    top: 25px;
    opacity: 0;
    animation: check 0.2s ease-in-out 0.9s forwards;
  }
  
  /* 円を描くアニメーション */
  @keyframes draw {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(180deg);
    }
  }
  /* チェックマークのアニメーション */
  @keyframes check {
    0% {
      transform: scale(0.5) rotate(30deg);
      opacity: 0;
    }
    100% {
      transform: scale(1.3) rotate(-15deg);
      opacity: 1;
    }
    100% {
      transform: scale(1) rotate(0deg);
      opacity: 1;
    }
  }
  .tanks-page {
    margin: auto;
    max-width: 720px;
  }
  .tanks-page .check-magin {
    margin: 30px 0 60px 0;
  }
  .tanks-page .check-title {
    text-align: center;
    font-size: 24px;
  }
  .tanks-page .circle {
    max-width: 300px;
    margin: auto;
  }
  .tanks-page .tanks-check {
    margin: 32px 0 171px 0;
    text-align: center;
    font-weight: 700;
    font-size: 12px;
    line-height: 170%;
  }
  .top-btn {
    font-weight: 700;
    font-size: 20px;
    max-width: 220px;
    margin: auto;
    margin-bottom: 170px;
    display: block;
    text-align: center;
  }
  .top-btn .thank-btn {
    border-radius: 8px;
    border: 4px solid var(--orange, #F75940);
    padding: 16px 46px;
	  text-decoration: none;
    display: block;
  }
  .top-btn .thank-btn:hover {
    background-color: #ffffff;
  }
  /*========*/
  @media (max-width: 575px){
    .tanks-page .tanks-check{
      margin: 32px 0 75px 0;
    }
  }
  @media (max-width: 767px) {
    .tanks-page .tanks-check {
      margin: 32px 0 100px 0;
    }
  }