@media screen and (max-width: 768px) {
  /** ベース
  ---------------------------------------------**/
  .wrapper{
    min-width: inherit;
  }

  .pc-only{
    display: none !important;
  }
  
  .sp-only{
    display: block !important;
  }


  /** ヘッダー
  ---------------------------------------------**/
  header{
    width: 100%;
    height: 65px;
  }

  .header-heading{
    width: auto;
    padding: 10px 15px;
  }

  .header-heading h1{
    width: 226px;
    height: 44px;
  }

  .header-heading h1 img{
    width: 226px;
    height: auto;
  }

  .donation-link{
    display: none;
  }

  header .sp-menu-btn{
    width: 24px;
    height: 0;
    display: block;
    padding-top: 20px;
    background: url(../images/header_btn_menu.png) no-repeat center center;
    background-size: 100%;
    position: absolute;
    top: 20px;
    right: 15px;
    overflow: hidden;
    z-index: 10001;
  }

  header .sp-menu-btn.hover{
    background-image: url(../images/header_btn_menu_close.png);
  }

  header .nav-menu{
    display: none;
  }

  header .nav-menu.hover{
    width: 100%;
    display: flex !important;
    position: absolute;
    top: 60px;
    left: 0;
    z-index: 10000;
    background-color: rgba(34, 34, 34, 0.8);
    border-bottom: none;
  }

  header .nav-menu ul{
    flex-direction: column;
    padding: 0;
  }

  header .nav-menu ul li{
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #838383;
  }

  header .nav-menu ul li:first-child{
    border-left: none;
  }

  header .nav-menu ul li:last-child{
    border-bottom: none;
  }

  header .nav-menu ul li a{
    padding: 10px;
    color: #fff;
  }


  /** メイン
  ---------------------------------------------**/
  main{
    width: auto;
    margin: 0;
    padding: 15px;
  }

  .main-image-area{
    margin-bottom: 15px;
  }

  .main-image-area img{
    width: 100%;
    height: auto;
  }

  .top-pickup-heading{
    margin-bottom: 30px;
  }

  .top-pickup-heading h2{
    padding-top: 51px;
    background-image: url(../images/img-title_pickup.png);
  }

  .news-heading{
    margin-bottom: 30px;
  }

  .news-heading h2{
    padding-top: 51px;
    background-image: url(../images/img-title_news_sp.png);
  }

  .news-heading .more{
    padding-right: 10px;
    background-image: url(../images/img-more_arrow.png);
    background-size: 6px 12px;
    bottom: 0;
    top: inherit;
    font-size: 1.4rem;
  }

  .news-list li time{
    display: block;
  }

  .year-article-list{
    margin: 40px 0 20px;
  }

  .year-article-list li{
    width: 48%;
    margin-right: 3%;
    margin-bottom: 3%;
  }

  .year-article-list li:nth-child(2n){
    margin-right: 0;
  }

  .year-article-list li a{
    padding: 15px 15px 15px 10px;
    background-image: url(../images/img-arrow_sp.png);
    background-size: 8px 13px;
    font-size: 1.8rem;
  }

  .pickup-link-area ul{
    display: flex !important;
  }

  .pickup-link-area ul,
  .link-banner-area ul{
    width: auto;
    flex-direction: column;
  }

  .pickup-link-area ul.pc-only{
    display: none !important;
  }

  .pickup-link-area ul.sp-only li{
    line-height: 1;
  }

  .pickup-link-area ul.sp-only li a{
    display: block;
  }

  .link-banner-area ul li{
    margin: 0 0 5px;
    text-align: center;
  }

  .link-banner-area ul li:last-child{
    margin-bottom: 0;
  }

  .title-image-area img.sp-only{
    width: 100%;
    height: auto;
  }

  .title-image-area .title{
    width: auto;
    left: 25px;
    bottom: 30px;
  }

  .title-image-area .title img{
    width: 179px;
    height: auto;
  }

  .title-image-area h2{
    width: 100%;
  }

  .content{
    margin-top: 20px;
  }

  .content h3{
    padding: 10px 15px;
    font-size: 2.0rem;
  }

  .content h4{
    margin-bottom: 15px;
    font-size: 2.2rem;
  }

  .inner-content h5{
    font-size: 1.8rem;
  }

  .content .image-box img{
    width: 100%;
    height: auto;
  }

  .page-link-area{
    margin-top: 0;
  }

  .page-link{
    flex-wrap: wrap;
    margin: 0;
  }

  .page-link li{
    width: 48%;
    margin-right: 3%;
    margin-bottom: 3%;
  }

  .page-link li:nth-child(2n){
    margin-right: 0;
  }

  .page-link li a{
    padding: 15px 15px 15px 10px;
    background-image: url(../images/img-arrow_sp.png);
    background-size: 8px 13px;
    font-size: 1.6rem;
  }

  .scroll-area{
    max-height: 500px;
  }

.content .sponsor-image-sp{
  margin: 20px 0 20px;
  text-align: center;
}

.content .sponsor-image-sp figure{
  margin: 100px 25px 100px 25px;
}

.content .sponsor-image-sp img{
  width: 80%;
  height: auto;
}


  /** SNS
  ---------------------------------------------**/
  .sns-area{
    margin: 40px 0 30px;
    flex-direction: column;
  }

  .sns-area .twitter{
    width: 100%;
    margin-right: 0;
    margin-bottom: 40px;
  }

  .sns-area .facebook{
    width: 100%;
    margin-left: 0;
  }


  /** フッター
  ---------------------------------------------**/
  footer .footer-inner h3{
    font-size: 1.8rem;
  }

  footer .footer-inner{
    width: auto;
  }

  footer .page-top{
    width: 32px;
    height: 32px;
    bottom: 120px;
    left: 50%;
    margin-left: 140px;
  }

  footer .page-top img{
    width: 100%;
    height: auto;
  }

  footer .copyright{
    padding: 10px 5px;
    font-size: 1.0rem;
  }

}