/* -----------------------
  cv
----------------------- */
.cv {
  position: relative;
  background: url(../img/cv_bg.png) no-repeat top center/ 100%;
}

.cv .box .btn {
  position: absolute;
  top: 0;
  left: 51%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  width: min(calc(610/ 750 * 100vw), 610px);
  cursor: pointer;
}

.cv .box .btn img{
  animation: pulseScale 4s infinite;
  transform-origin: center;
}
.tanpin_btn {
  position: absolute;
  top: min(calc(40/ 750 * 100vw), 40px);
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  cursor: pointer;
  width: min(calc(500/ 750 * 100vw), 500px);
}

@keyframes pulseScale {
  0% {
    transform: scale(1);
  }

  25% {
    transform: scale(1.2);
  }

  50% {
    transform: scale(1);
  }

  75% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}