.anim-box.slidein.is-animated {
  animation: slideIn 1s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}
 
 
.anim-box.popup.is-animated {
  animation: popup 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
 
@keyframes popup {
  0% {
    transform: translateY(40px) scale(0.8);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1.0);
  }
  80%, 100% {
    opacity: 1;
  }
}
 
@keyframes slideIn {
  0% {
    transform: translateX(180px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
  }
  40%,100% {
    opacity: 1;
  }

  }
    #about_site_h
{
    text-align: center;
    padding-left: 5px;
    padding-right: 5px;
    padding-bottom: 0px;
    padding-right: 5px;
    margin-bottom: 0px;

}
#about_site_p{
    text-align: center;
    padding-left: 5px;
    padding-right: 5px;
    margin-top: 0;
}
#about_site
{
    margin-right: auto;
    margin-left: auto;
    width: 95%;
    background-color: #e7e7e7;
    border-radius: 10px 10px 10px 10px;
    margin-top: 15px;
    z-index: 0; 
    flex: 1;
    
}
header {
    /*border-bottom: 1px solid #000;*/
    background-color: #303030;
    width: 100%;
    height: 75px;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: fixed;
    border-bottom: #505050 solid 1px;
    z-index: 100; 
}
#header_title {
    color : #000;
    text-align: center;
    height: 65px;
    padding-top: 5px;
    padding-bottom: 5px;
}
#header_links_top {
    color: #000;
    text-align: center;
    font-size: 15px;
    padding-top: 8px;
    padding-bottom: 8px;
    /*padding-left: auto;
    margin-right: 0;:*/
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding-left: 10px;
    padding-right: 10px;
}
footer {
    background-color: #303030;
    color: #fff;
    text-align: center;
    padding-bottom: 30px;
    padding-top: 10px;
    padding-left: 0;
    padding-right: 0;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0;
    margin-top: 150px;
    font-family: 'ヒラギノ角ゴシック','Hiragino Sans','Arial','Yu Gothic UI','メイリオ', 'Meiryo',sans-serif;
    /*position: fixed;*/
    bottom: 0;
    left: 0;
    width: 100%;
}
body {
    background-color: #fff;
    margin: 0;
    padding: 0;
}
.titlediv {
    margin: 0;
    padding: 0;
}
.b-links {
    display: flex;
}
.menu-content
{
    display: none;
}
#menu-btn-check {
    display: none;
}
.b-links-pc{
    text-align: right;
}
#header_links_top_div{
    text-align: center;
    background-color: #303030;
    border-top: #505050 solid 1px;
    height : 40px;
    display: block;
    padding-top: 75px;
}
    #h_links_top{
    padding-left: 10px;
    padding-right: 10px;
    border-left: 1px solid #505050;
    border-right: 1px solid #505050;
}
    #h_links_top_n{
    padding-left: 10px;
    padding-right: 10px;
    border-left: 1px solid #505050;
}
body{
         font-family: 'ヒラギノ角ゴシック','Hiragino Sans','Arial','Yu Gothic UI','メイリオ', 'Meiryo',sans-serif;
  background-color:#8f8f8f;
}
.background_image_div{
    display: flex;
    gap: 20px
}
a {
  text-decoration: none;       /* 普段は下線なし */
  color: blue;                 /* リンクの色（任意） */
}

a:hover {
  text-decoration: underline;  /* マウスを載せたとき下線を表示 */
}
p{
    padding-right:10px;
    padding-left :10px;
}
details{
    padding-right:10px;
    padding-left :10px;
}
div{
    padding-left: 15px;
    padding-right: 15px;
}
#sns_icon
{
    width: 30px;
    height: 30px;
    border-radius: 5px 5px 5px 5px;
}
.last_p
{
    padding-bottom: 10px;
    text-align: center;
}
/*menu_test*/
@media (max-width: 767px) {
  .background_image_div,
  #about_site {
    max-width: 100%;

    padding-left: 5px;
    padding-right: 5px;
  }
    .res_about{
    margin-left : auto;
    margin-right : auto;
    width: 95%;
}
    .menu-btn {
    position: fixed;
    top: 5px;
    right: 5px;
    display: flex;
    height: 65px;
    width: 65px;
    justify-content: center;
    align-items: center;
    z-index: 90;
    background-color: #101010;
    border-radius: 5px 5px 5px 5px;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 25px;
    border-radius: 3px;
    background-color: #ffffff;
    position: absolute;
}
.menu-btn span:before {
    bottom: 8px;
}
.menu-btn span:after {
    top: 8px;
}
#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: 0;
    transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 0;
    transform: rotate(-45deg);
}
#menu-btn-check {
    display: none;
}
.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 80;
    background-color: #303030;
    display: inline;
}
.menu-content ul {
    padding: 70px 10px 0;
}
.menu-content ul li {
    border-bottom: solid 1px #ffffff;
    list-style: none;
}
.menu-content ul li a {
    display: block;
    width: 100%;
    font-size: 15px;
    box-sizing: border-box;
    color:#ffffff;
    text-decoration: none;
    padding: 9px 15px 10px 0;
    position: relative;
}
.menu-content ul li a::before {
    content: "";
    width: 7px;
    height: 7px;
    border-top: solid 2px #ffffff;
    border-right: solid 2px #ffffff;
    transform: rotate(45deg);
    position: absolute;
    right: 11px;
    top: 16px;
}
.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 100%;/*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: #303030;
    transition: all 0.5s;/*アニメーション設定*/
}
#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}
.b-links-pc
  {
    display: none;
}
#header_links_top
    {
        display: none;
}
#header_links_top_div
    {
        display: none;
    }
header {
    padding: 0 0 0 0;
    margin: 0;
}
footer{
    margin-top: 0px;
}

.background_image_div{
 
    display: block;
}
#top_div
{
padding-top: 65px;
}
.anim-box.slidein.is-animated {
  animation: slideIn 1s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}
 
.anim-box.popup.is-animated {
  animation: popup 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
 
@keyframes popup {
  0% {
    transform: translateY(40px) scale(0.8);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1.0);
  }
  80%, 100% {
    opacity: 1;
  }
}
  
@keyframes slideIn {
  0% {
    transform: translateX(180px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
  }
  40%,100% {
    opacity: 1;
  }

  }
body {
  overflow-x: hidden;
}
p{
    padding-bottom:5px;
}
}