/* motion,btn
---------------------------------------- */
*:selection {
  background: #f27649;
  color: #fff;
}
a,
img,
.photo,
.over,
aside#sns li span,
.nav-child,
.ico-area dd ul {
  -webkit-transition: All 0.5s ease;
  -moz-transition: All 0.5s ease;
  -o-transition: All 0.5s ease;
  transition: All 0.5s ease;
}
.btn {
  text-align: center;
}
.btn a,
.btn input {
  margin: auto;
  text-decoration: none;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn a:hover .btn input:hover {
}
.btn.size_s a,
.btn.size_s input {
  width: 240px;
  height: 40px;
}
.btn.size_r a,
.btn.size_r input {
  width: 300px;
  height: 50px;
}
.btn.size_l a,
.btn.size_l input {
  width: 360px;
  height: 60px;
}

.btn.size_l a,
.btn.size_l input {
  width: 360px;
  height: 60px;
}

@media screen and (max-width: 480px) {
  /* 480px以下に適用されるCSS（スマホ用） */
  .size_l {
    width: 100%;
  }
  .btn.size_l a,
  .btn.size_l input {
    width: 100%;
  }
}
.btn.next a,
.btn.next input {
  position: relative;
  color: #fff;
  background: var(--sub);
  transition: 0.4s;
}
.btn.next a:after,
.btn.next input:after {
  font-family: "FontAwesome";
  content: "\f105";
  position: absolute;
  right: 20px;
  margin: auto;
}
.btn.next a:hover,
.btn.next input:hover {
  opacity: 0.8;
}

.btn.diff a,
.btn.diff input {
  position: relative;
  color: #fff;
  background: var(--diff);
  transition: 0.4s;
}
.btn.diff a:hover,
.btn.diff input:hover {
  opacity: 0.8;
}

.btn.accent a,
.btn.accent input {
  position: relative;
  color: #fff;
  background: var(--sub);
  transition: 0.4s;
}
.btn.accent a:after,
.btn.accent input:after {
  font-family: "FontAwesome";
  content: "\f105";
  position: absolute;
  right: 20px;
  margin: auto;
}
.btn.accent a:hover,
.btn.accent input:hover {
  opacity: 0.8;
}
.btn.back a,
.btn.back input {
  position: relative;
  color: #fff;
  background: var(--dark);
  transition: 0.4s;
}
.btn.back a:after,
.btn.back input:after {
  font-family: "FontAwesome";
  content: "\f104";
  position: absolute;
  left: 20px;
  margin: auto;
}
.btn.back a:hover,
.btn.back input:hover {
  opacity: 0.8;
}