@charset "utf-8";
@import url('https://fonts.googleapis.com/css?family=Noto+Sans+JP:300,400,500,700,900&display=swap&subset=japanese');
@import url('https://fonts.googleapis.com/css?family=Oswald:300,400,700');
@import url('https://fonts.googleapis.com/css?family=Open+Sans:800&display=swap');
/* ///////////// 共通項目 /////////////*/
html{
  font-size: 62.5%; /* ///// 10px ///// */
  box-sizing: border-box;
  scroll-behavior: smooth;
}
@media (min-width: 240px) and (max-width: 767.98px){
html{
  font-size: 1.2rem; /* ///// 12px ///// */
}
}
body{
  background-color: #FFFFFF;
  padding-top: 80px;
}
p {
  text-align: center;
}
h2{
  font-size: 1.2rem;
  font-family: serif;
  text-align: center;
}
h3{
  font-size: 3rem;
  font-family: serif;
  color: #777777;
  text-align: center;
}
@media (max-width:768px){
h2{
  font-size: 0.7rem;
  text-align: left;
}
h3{
  font-size: 1.6rem;
}
}
a:hover img {
  opacity: 0.7;
  -webkit-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}
a{
  color: #000000;
  text-decoration: none;
}
a:hover{
  text-decoration: none;
}
.bnr-frame{
  border: 1px solid #cccccc;
  box-sizing: border-box;
  border-color: rgba(204,204,204,0.3);
}
/*////// タブレットサイズ以下では.noneで非表示 ////////*/
@media screen and (max-width: 768px){
.none {display:none}
}
/* ///////////// wrapper /////////////*/
#wrapper{
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.subwrapper{
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
}
/* ///////////// header /////////////*/
header{
  width: 100%;
  margin: 10px auto;
  position: absolute;
  background-color: rgba(255,255,255,0.9);
  border-bottom: 1px solid #A8A8A8;
}
#innerheader{
  width: 100%;
  margin: 0 auto;
  max-width: 1120px;
}
li.nav-item{
  font-size: 1.8rem;
  font-family: serif;
  margin-right: 15px;
}
li.nav-item:last-child{
  margin-right: 0px;
}
.nav-item a {
  position: relative;
  transition: .3s;
  color: #666666!important;
}
a::after {
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 0;
  height: 2px;
  background-color: rgb(00,102,204,0.7);
  transition: .3s;
}
.nav-item a:hover{
  color: #FF69B4!important;
}
.nav-item a:hover::after {
  width: 100%;
}
@media (min-width: 768px) and (max-width: 839.98px){
li.nav-item{
  font-size: 1.2rem;
}
}
@media (min-width: 840px) and (max-width: 991.98px){
li.nav-item{
  font-size: 1.4rem;
}
}
@media (min-width: 240px) and (max-width: 767.98px){
li.nav-item{
  border-bottom: dotted 1px #888888;
  font-size: 1.2rem;
  color: #202020;
}
li.nav-item:last-child{
  border-bottom: none;
}
.nav-item a {
  background-image: linear-gradient(rgba(0,0,0,0) 50%, rgba(100,210,255,0.3) 50%);
  background-position: 0 0;
  background-size: auto 200%;
  transition: .3s;
}
.nav-item a:hover {
  background-position: 0 100%;
  color: #fff;
  border: none;
}
}
.navbar-toggler{
  border: none;
}
.navbar-toggler:active{
  outline: none;
}
/* /////////// ハンバーガーメニューの挙動 /////////// */
button:focus{
  outline: none;
}
button[aria-expanded="true"] > span {
  position: relative;
  display: none;
}
button[aria-expanded="true"]::after {
  position: relative;
  font-size: 28px;
  content: "X";
}
/* ///////////// main 本体部分 /////////////*/
#main{
  width: 100%;
  margin: 0 auto;
}
/* ///////////// return /////////////*/
#return p{
  font-size: 1.8rem;
  color: #0066CC;
  font-family: serif;
  font-weight: bold;
}
#return p:hover{
  color: #FF69B4;
}
@media (max-width:768px){
#return{
  margin-bottom: 0!important;
}
#return p{
  font-size: 1rem;
}
}
/* ///////////// footer /////////////*/
footer{
  width: 100%;
  margin: 10px auto;
  position: absolute;
  background-color: #FFFFFF;
  border-top: 1px solid #A8A8A8;
}
small{
  font-size: 1rem;
}
.footer-link{
  font-size: 1rem;
  border-right: 1px solid #CCCCCC;
}
.top,.credit{
  font-size: 1.2rem;
}
@media (max-width:768px){
footer{
  border-top: none;
  padding-top: 0!important;
}
.footer-link{
  font-size: 0.9rem;
  padding-bottom: 15px!important;
  border-right: none;
  border-bottom: 1px solid #CCCCCC;
}
.k-mark{
  width: 15%;
  margin: 0 auto 5px auto;
}
.credit,small{
  font-size: 0.7rem!important;
}
}
.top-page{
  background-color: #F5F5F5;
  border: 1px solid #CCCCCC;
}
.top-page img{
  width: 100%;
  height: auto;
}
footer a{
  text-decoration: none;
}
footer a:hover{
  text-decoration: underline;
}