@charset "UTF-8";

html {
  font-size:62.5%;
}
body {
  font-size:1.4rem;
  margin: 0;
  padding: 0;
}
*, *::before, *::after {
  box-sizing:border-box;
}
.clearfix::after {
  content:'';
  display:block;
  clear:both;
}

p {
    font-size: 1.6rem;
  }
a {
  text-decoration: none;
}
  header {
    width: 100%;
    height: 6.6vw;
    min-height: 70px;
    background-color: #C4E3EA;
  }
  .hd_wrap {
    width: 80%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
  }
  .logo {
    width: 25%;
    display: grid;
    align-items: center;
  }
  h1 {
    font-size: 4rem;
    color: #337d8e;
  }
  nav {
    width: 75%;
  }
  nav ul {
    display: flex;
    justify-content: space-between;
    height: 100%;
    align-items: center;
  }
  nav ul li {
    padding: 63.2% 0;
    color: #333;
  }
  nav.sp_menu {
    display: none;
  }
  .sp_menu ul {
    display: block;
    text-align: center;
    color: #fff;
    font-size: 1.75rem;
    line-height: 4.5rem;
    margin-top: 50px;
  }
 .sp_menu ul li {
    padding: 2% 0;
    color: #fff;
  }
  .menu-checkbox {
    display: none;
  }
  .drawer-icon {
    display: none;
    cursor: pointer;
    position: fixed;
    top: 34px;
    right: 17%;
    justify-content: center;
    align-items: center;
    z-index: 30;
    background-color: #fff;
  }
  .drawer-icon span,
  .drawer-icon span:before,
  .drawer-icon span:after {
    content: '';
    display: block;
    height: 6px;
    width: 40px;
    border-radius: 3px;
    background-color: #2e708a;
    position: absolute;
    transition: all 0.5s ease-in-out 0s;
  }
  .drawer-icon span::before {
    bottom: 12px;
  }
  .drawer-icon span::after {
    top: 12px;
  }
  .menu-checkbox:checked ~ .drawer-icon {
    background-color: #3584bb;
  }
  .menu-checkbox:checked ~ .drawer-icon span {
    background-color: rgba(255, 255, 255, 0);
  }
  .menu-checkbox:checked ~ .drawer-icon span::before {
    bottom: 0;
    transform: rotate(-45deg);
    background-color: #c5eaf9;
  }
  .menu-checkbox:checked ~ .drawer-icon span::after {
    top: 0;
    transform: rotate(45deg);
    background-color: #c5eaf9;
  }
  .menu-background {
    display: none;
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0;
    transition: all 0.5s ease-in-out 0s;
  }
  .menu-checkbox:checked ~ .menu-background {
    display: block;
    opacity: 0.3;
  }
  .menu-checkbox:checked ~ nav.sp_menu {
    transform: translateX(0%);
  }
  .main_img {
    width: 100%;
    height: 29.8vw;
    min-height: 270px;
    background-color: #A0C4CC;
    background-image: url(../images/27454430_m.jpg);
    background-repeat: no-repeat;
    background-size: cover;
  }
  .main_img h2,.sub_img h2 {
    width: 60%;
    height: 100%;
    margin: 0 auto;
    display: grid;
    align-items: center;
    color: #fff;
    font-size: 3.2vw;
    text-align: center;
    text-shadow: 2px 2px 4px #333;
    line-height: 4.5vw;
  }
  article {
    width: 80%;
    margin: 6.6vw auto 0;
  }
  section {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.48vw;
  }
  section:nth-child(2n){
    flex-direction: row-reverse;
  }
  .st_left {
    width: calc(60% - 1.4vw);
    height: auto;
    background-color: #9CDCEA;
    padding: 4%;
    line-height: 3.4rem;
    border-radius: 12px;
    background-image: url(../images/154633.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    background-blend-mode: soft-light;
  }
  .st_left p {
    font-size: 1.75rem;
    color: #505f6c;
  }
  .st_right {
    width: calc(40% - 1.4vw);
    height: 23.2vw;
  }
  .st_right img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    object-fit: cover;
}
  .sub_img {
    width: 100%;
    height: 27.6vw;
    min-height: 270px;
    background-color: #89B3BC;
    background-image: url(../images/27757084_m.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    margin-bottom: 4vw;
    border-radius: 12px;
}
  section.news {
    display: block;
  }
  .news_wrap {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.48%;
  }
  .news_img {
    width: 24.54vw;
    height: 24.54vw;
    max-width: 300px;
    max-height: 300px;
  }
  .news_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
  }
  .news_txt {
    width: 75.19%;
    background-color: #77AEEB;
    max-height: 300px;
    margin-left: 2.48%;
    padding: 4%;
    line-height: 3.4rem;
    border-radius: 12px;
  }
  footer {
    width: 100%;
    height: 6.6vw;
    min-height: 70px;
    background-color: #C4E3EA;
    margin-top: 5%;
  }
  .copy {
    width: 30%;
    height: 100%;
    margin: 0 auto;
    text-align: center;
    display: grid;
    align-items: center;
  }

@media screen and (max-width:1279px){
    article {
      width: 84%;
    }
    .st_right {
      width: calc(45% - 1.4vw);
      height: 28vw;
    }
    .st_left {
      width: calc(55% - 1.4vw);
    }
  @media screen and (max-width:1119px){
    article {
      width: 86%;
    }
    .st_right {
      width: calc(47% - 1.4vw);
      height: 38vw;
    }
    .st_left {
      width: calc(53% - 1.4vw);
    }
  }
  @media screen and (max-width:1064px){
    .news_txt {
      padding: 3%;
    }
  }
  @media screen and (max-width:1031px){
    .news_txt {
      padding: 2%;
    }
  }
  @media screen and (max-width:1001px){
    .news_img {
      width: 40vw;
      height: 40vw;
    }
  }
  @media screen and (max-width:959px){
    .st_right {
      width: calc(50% - 1.4vw);
      height: 50vw;
    }
    .st_left {
      width: calc(50% - 1.4vw);
    }
    nav {
      display: none;
    }
    .drawer-icon {
      display: block;
    }
    nav ul {
      display: block;
    }
    nav.sp_menu {
      display: block;
      position: fixed;
      top: 0;
      right: 0;
      height: 100%;
      width: 50%;
      transform: translateX(100%);
      transition: all 0.8s ease-in-out 0s;
      background-color: #333333;
      opacity: .9;
      z-index: 20;
    }
    article {
      width: 88%;
    }
  }
  @media screen and (max-width:959px){
    .st_right {
      width: calc(50% - 1.4vw);
      height: 70vw;
    }
    .main_img h2,.sub_img h2 {
      width: 70%;
      font-size: 4vw;
      line-height: 5.5vw;
    }
  }
  @media screen and (max-width:863px){
     .news_img {
      width: 50vw;
      height: 50vw;
      max-width: 350px;
      max-height: 350px;
    }
    .news_txt {
      width: 50%;
      max-height: none;
    }
  }
  @media screen and (max-width:599px){
    .main_img h2,.sub_img h2 {
      width: 80%;
      font-size: 5vw;
      line-height: 6.5vw;
    }
    article {
      width: 90%;
    }
    section {
      display: block;
    }
    .st_left {
      width: 100%;
      margin-bottom: 2.48vw;
    }
    .st_right {
      width: 100%;
      height: 90vw;
    }
  }
  @media screen and (max-width:599px){
    .news_wrap {
      width: 100%;
      display: block;
    }
    .news_img {
      width: 100%;
      height: 95vw;
      max-width: none;
      max-height: none;
      margin-bottom: 3%;
    }
    .news_txt {
      width: 100%;
      height: auto;
      max-height: none;
      margin-left: 0;
      padding: 5%;
    }
  }
    @media screen and (max-width:450px){
    .main_img h2,.sub_img h2 {
      width: 90%;
      font-size: 7vw;
      line-height: 8.5vw;
    }
  }