.c-fixed_nav.kantan
 {
  position: fixed;
  right: 0;
  z-index: 999;
  bottom: 15%;
}



  
.c-btn.kantan-btn {
width: 400px;
height: 200px;
  font-size: 1.5rem;
  font-weight: 700;
  position: relative;
}
.c-btn__link.kantan-link {
  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  text-align: center;
  background: url(/img/wdaihyo/ntr-sp.png) no-repeat center center/cover;
}

.c-btn--fixed i {
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: -4px;
  -webkit-writing-mode: horizontal-tb;
  -ms-writing-mode: lr-tb;
  writing-mode: horizontal-tb;
}
.c-btn__link {
  text-align: center;
}

@media screen and (max-width: 736px) {
.c-fixed_nav.serch-navi
 {
  position: fixed;
  right: 0;
  z-index: 999;
}

.c-fixed_nav.kantan {
  bottom: 5%;
}


.c-btn.kantan-btn {
  width: 300px;
  height: 150px;
}

.c-btn__link.kantan-link {
  background: url(/img/wdaihyo/ntr-sp.png) no-repeat center center/cover;

  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  text-align: center;

}
}