* {
  box-sizing: border-box;
}

/*=============================================
* body
*=============================================*/
body {
  color: #111;
  font-family: "Hiragino Kaku Gothic Pro", sans-serif;
  font-size: 18px;
  line-height: 34px;
  letter-spacing: 0;
  background: #fff;
  min-width: inherit;
  min-height: inherit;
  max-height: 100%;
}

/*=============================================
* <main>
*=============================================*/
main {
  clear: both;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.mammoth_main_w {
  padding-top: 64px;
}

@media only screen and (min-width: 768px) {
  .mammoth_main_w {
    padding-top: 0;
  }
}

.wrap {
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

a:hover {
  text-decoration: none;
}

a, img {
  transition: 0.3s all ease-in-out;
}

.cl-pink {
  color: #ED359E;
}

.cl-blue {
  color: #2085AC;
}

.fz16 {
  font-size: 16px;
  line-height: 20px;
}

.fz20 {
  font-size: 20px;
  line-height: 38px;
}

/*=============================================
* <header>
*=============================================*/
.mammoth__clinic {
  padding-top: 0;
}

@media only screen and (min-width: 768px) {
  .mammoth__clinic {
    padding-top: 0;
  }
}

.mammoth__clinic__header {
  height: 64px;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 99;
  background: #fff;
}

.mammoth__clinic__header .logo {
  width: 264px;
  position: absolute;
  top: 12px;
  left: 20px;
}

.mammoth__clinic__header .hamburger {
  position: absolute;
  right: 0;
  top: 0;
}

@media only screen and (min-width: 768px) {
  .mammoth__clinic__header {
    background: transparent;
    position: absolute;
  }
  .mammoth__clinic__header .logo {
    left: 26px;
  }
  .mammoth__clinic__header .logo a:hover img {
    opacity: 0.8;
  }
  .mammoth__clinic__header .hamburger {
    position: fixed;
    z-index: 99;
  }
}

@media only screen and (max-width: 370px) {
  .mammoth__clinic__header .logo {
    width: 234px;
    left: 11px;
  }
}

#title-holder {
  height: 35.823vw;
  position: relative;
  z-index: 0;
}

#title-holder:before {
  content: '';
  width: 91%;
  height: 17.413vw;
  background: #2085AC;
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0% 100%);
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: -1;
}

#title-holder:after {
  content: '';
  width: 53%;
  height: 9.206666vw;
  background: #67A5BD;
  clip-path: polygon(0 0, 100% 100%, 100% 100%, 0 100%);
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: -2;
}

#title-holder .wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  height: 100%;
}

#title-holder .title-holder__h1 {
  font-family: 'Noto Serif JP';
  font-size: 5.97014vw;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 7.46268vw;
  padding-bottom: 3.5vw;
}

#title-holder .title-holder__h1 small {
  display: block;
  font-family: 'Roboto Slab';
  font-size: 3.9801vw;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 5.47263vw;
  color: #2085AC;
  margin-bottom: 1vw;
}

@media only screen and (min-width: 768px) {
  #title-holder {
    height: 290px;
  }
  #title-holder:before {
    width: 91%;
    height: 167px;
  }
  #title-holder:after {
    width: 27%;
    height: 69px;
  }
  #title-holder .title-holder__h1 {
    font-size: 48px;
    line-height: 50px;
    padding-bottom: 0px;
  }
  #title-holder .title-holder__h1 small {
    font-size: 16px;
    line-height: 22px;
  }
}

.mammoth__clinic__breadcrumb {
  background: #F7F8F8;
  font-size: 14px;
  font-weight: 300;
  line-height: 28px;
  padding: 10px 0;
}

.mammoth__clinic__breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
}

.mammoth__clinic__breadcrumb ul li {
  margin-right: 27px;
  position: relative;
}

.mammoth__clinic__breadcrumb ul li:after {
  content: '';
  width: 7px;
  background-image: url("../img/shared/icon_right.png");
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: 50%;
  position: absolute;
  top: 0;
  bottom: 0;
  right: -17px;
}

.mammoth__clinic__breadcrumb ul li:last-child {
  margin-right: 0;
}

.mammoth__clinic__breadcrumb ul li:last-child:after {
  display: none;
}

@media only screen and (min-width: 768px) {
  .mammoth__clinic__breadcrumb {
    font-size: 16px;
  }
  .mammoth__clinic__breadcrumb ul li {
    margin-right: 35px;
  }
  .mammoth__clinic__breadcrumb ul li:after {
    width: 9px;
    right: -22px;
  }
  .mammoth__clinic__breadcrumb ul li a:hover {
    text-decoration: underline;
  }
}

.ttl-common {
  font-family: 'Noto Serif JP';
  font-size: 5.97014vw;
  font-weight: 600;
  line-height: 9.45273vw;
  letter-spacing: 0;
  text-align: center;
}

.ttl-common small {
  display: block;
  color: #2085AC;
  font-family: 'Roboto Slab';
  font-size: 4.4776vw;
  font-weight: 400;
  letter-spacing: 0;
}

@media only screen and (min-width: 768px) {
  .ttl-common {
    font-size: 32px;
    line-height: 46px;
  }
  .ttl-common small {
    font-size: 20px;
  }
}

.btn-common a {
  display: block;
  background: #2085AC;
  color: #fff;
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  line-height: 31px;
  padding: 10px 40px;
  border-radius: 8px;
  position: relative;
}

.btn-common a:after {
  content: '';
  width: 20px;
  background-image: url("../img/shared/icon_arrow.png");
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: 50%;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 16px;
}

@media only screen and (min-width: 768px) {
  .btn-common {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
  }
  .btn-common a {
    font-size: 24px;
    line-height: 37px;
    padding: 15px 55px;
  }
  .btn-common a:after {
    right: 32px;
  }
  .btn-common a:hover {
    opacity: 0.8;
  }
}

/*=============================================
* <footer>
*=============================================*/
footer {
  background: #2085AC;
  color: #fff;
  padding: 40px 4.97512vw 50px;
}

footer .footer-txt {
  display: table;
  font-size: 5.97014vw;
  line-height: 7.9602vw;
  margin: 0 auto 35px;
}

footer .footer-txt small {
  font-size: 2.98507vw;
  line-height: 4.97512vw;
  font-style: italic;
  text-transform: uppercase;
  color: #C9C9C9;
  margin-top: 3vw;
}

footer .box {
  background: #E3EDF0;
  border-radius: 12px;
  padding: 25px 18px 41px;
}

footer .box .logo {
  width: 151px;
  margin: 0 auto 20px;
}

footer .box .btn-group {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: 6px;
}

footer .box .btn-group li {
  width: 49%;
  margin-bottom: 14px;
}

footer .box .btn-group li a {
  display: block;
  border: 1px solid;
  color: #AA9E6A;
  border-radius: 4px;
  font-size: 16px;
  line-height: 26px;
  padding: 5px;
  text-align: center;
}

footer .box .btn-group .btn-group--line a {
  border: none;
  background: #378237;
  color: #fff;
  line-height: 28px;
}

footer .box .btn-group li:last-child {
  width: 100%;
}

footer .box .navi-toggle {
  border-top: 1px solid #3E3E3E;
  padding-bottom: 35px;
}

footer .box .navi-toggle .toggle {
  border-bottom: 1px solid #3E3E3E;
}

footer .box .navi-toggle .toggle .toggle-link {
  color: #3E3E3E;
  font-size: 16px;
  line-height: 22px;
  padding: 13px 25px 15px 5px;
  position: relative;
  cursor: pointer;
}

footer .box .navi-toggle .toggle .toggle-link:before {
  content: '';
  width: 2px;
  height: 12px;
  background: #3E3E3E;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
}

footer .box .navi-toggle .toggle .toggle-link:after {
  content: '';
  width: 12px;
  height: 2px;
  background: #3E3E3E;
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
}

footer .box .socials-group li {
  margin: 0 15px;
}

footer .box .socials-group img {
  width: auto;
}

footer .box .socials-group a:hover img {
  opacity: 0.7;
}

footer address {
  text-align: center;
  font-size: 14px;
  letter-spacing: 0;
  margin-top: 25px;
}

@media screen and (min-width: 768px) {
  footer {
    padding: 35px 20px 70px;
  }
  footer .footer-txt {
    font-size: 24px;
    line-height: 32px;
    margin: 0 auto 30px;
  }
  footer .footer-txt small {
    font-size: 12px;
    line-height: 20px;
    margin-top: 5px;
  }
  footer .box {
    padding: 40px 28px 44px;
  }
  footer .box .logo {
    margin: 0 auto 30px;
  }
  footer .box .logo a:hover img {
    opacity: 0.8;
  }
  footer .box .btn-group {
    padding-bottom: 14px;
  }
  footer .box .btn-group li {
    width: 49%;
  }
  footer .box .btn-group li a:hover {
    opacity: 0.7;
  }
  footer .box .navi-toggle .toggle .toggle-link {
    transition: 0.3s all ease-in-out;
  }
  footer .box .navi-toggle .toggle .toggle-link:hover {
    color: #AA9E6A;
  }
}

.mammoth__clinic__contents {
  min-height: 1000px;
}

/*=============================================
* .socialbuttons
*=============================================*/
/*=============================================
* copyright
*=============================================*/
.db {
  display: block;
}

.df {
  display: flex;
}

.jcfs {
  justify-content: flex-start;
}

.jcc {
  justify-content: center;
}

.jcsb {
  justify-content: space-between;
}

.jcfe {
  justify-content: flex-end;
}

.aifs {
  align-items: flex-start;
}

.aic {
  align-items: center;
}

.aife {
  align-items: flex-end;
}

.sp {
  display: block;
}

.pc {
  display: none;
}

@media only screen and (min-width: 768px) {
  .pc {
    display: block;
  }
  .sp {
    display: none;
  }
  .df-pc {
    display: flex;
  }
}

@-webkit-keyframes fadeInUp {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0px);
    opacity: 1;
  }
}

@keyframes fadeInUp {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0px);
    opacity: 1;
  }
}

.fadeInUp {
  -webkit-animation-name: fadeInUp;
  animation-name: fadeInUp;
  animation-duration: 1.3s;
  animation-delay: 0.3s;
}