/* 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_box > div:not(:last-child) {
  margin-bottom: 1rem;
}
.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_full a,
.btn.size_full input {
  width: 100%;
  height: 60px;
}
@media screen and (max-width: 800px) {
  /* 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(--key);
  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.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;
}

.btn.detail_btn a {
  position: relative;
  background: var(--key_thin);
  border: 1px solid var(--key);
  transition: 0.4s;
}
.btn.detail_btn a::before {
  content: "";
  background-image: url(../img/icon_pdf.svg);
  width: 24px;
  height: 24px;
  margin-right: 6px;
}
.btn.detail_btn a {
  position: relative;
  background: var(--key_thin);
  border: 1px solid var(--key);
  transition: 0.4s;
}
.btn.detail_btn a:hover {
  opacity: 0.8;
}
.btn.link_btn a {
  position: relative;
  background: var(--key_thin);
  border: 1px solid var(--key);
  transition: 0.4s;
}
.btn.link_btn a::before {
  content: "";
  background-image: url(../img/icon_link.svg);
  width: 24px;
  height: 24px;
}
.btn.link_btn a {
  position: relative;
  background: var(--accent_thin);
  border: 1px solid var(--accent);
  transition: 0.4s;
}
.btn.link_btn a:hover {
  opacity: 0.8;
}
.btn.footer_contact_btn a,
.btn.footer_contact_btn input {
  position: relative;
  background: #fff;
  transition: 0.4s;
}
.btn.footer_contact_btn a:after,
.btn.footer_contact_btn input:after {
  font-family: "FontAwesome";
  content: "\f105";
  position: absolute;
  right: 20px;
  margin: auto;
}
.btn.footer_contact_btn a:hover,
.btn.footer_contact_btn input:hover {
  opacity: 0.8;
}