@charset "UTF-8";
:root{
    --brack:#4C4C4C;
    --blue:#689FCB;
    --green:#4AA3B3;
}
html{
    font-size: 62.5%;
}
img{
    max-width: 100%;
}
body{
     font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight:400;
  font-style: normal;
  line-height: 1.8;
  color: white;
  background-color: var(--blue);
  transition: opacity 0.8s ease;
       opacity: 0;
}
body.loaded {
  opacity: 1;
}
.b:hover{
    opacity: .5;
}
.feedIn{
    transform: translate(0, 50px);
    opacity: 0;
    transition: 0.8s;
}
.feedIn.animated{
    transform: translate(0, 0);
    opacity: 1;
}  
/* pc comon */
@media screen and (min-width:769px) {
  body{
    line-height: 2.2;
  }  
}
/* header */
.header__group{
    display:block;
    width: 100%;
    justify-content: space-between;
    z-index: 10;
    position: absolute;
    top: 0;
    left: 0;
}
.header__logo{
    flex-direction: column;
    display: flex;
    gap: 30px;
    margin: 10px;
    position: absolute;
    right: 10px;
    top: 10px;
}
.logo{
    display: block;
    width: 100px;
    height: 44px;
    margin: 10px;
}
.header__btn,.instalogo,.mail{
    display: block;
    width: 30px;
    height: 30px;

}
.nav{
    background-color: rgba(81, 165, 232, .8);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 50px;
    font-size: 20px;
    align-items: center;
    transition: .4s;
    transform: translateX(-100%);
    z-index: 100;
}
.nav.active{
    transform: translateX(0);
}
.nav :first-child{
    margin-top: 80px;
}
.close{
    display: block;
    width: 30px;
    height: auto;
    position: absolute;
    right: 10px;
    top: 10px;
}
.fixed-btn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: orange;
  color: #fff;
  padding: 25px 20px;
  border-radius: 120px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 7px 10px rgba(0,0,0,0.25);
  text-decoration: none;
  z-index: 100;
  transition: 0.3s;
  text-align: center;
  display: block;
  width: 100px;
  height: 100px;
  border: white 2px solid;
}
.nav__btn1{

  
  background:rgba(243, 152, 29, .9);
  color: #fff;
  padding: 14px 20px;
  border-radius: 30px;
  font-size: 22px;
  box-shadow: 0 7px 10px rgba(0,0,0,0.25);
  text-decoration: none;
  transition: 0.3s;
  text-align: center;
  display: block;
  width: 250px;
  height: 80px;
  font-weight: 600;
  border: white 2px solid;
}

.fixed-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.35);
}
@media screen and (min-width:769px) {
    .nav{
        font-size: 30px;
    }
    .header__btn,.instalogo,.mail{
    width: 50px;
    height: 50px;
}
.close{
    width: 50px;
    height: auto;
}
.logo{
    width: 200px;
    height: 88px;
    margin: 10px;
}
.header__logo{
    gap: 50px;
}
}
/* news */
.news{
    padding: 15px;
    position: relative;
}
.news__item1{
    margin: 40px 0;
}

.news__title{
    font-size: 36px;
    text-align: center;
    background-image: url(../image/siro.png);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    margin-top: 100px;
    font-weight: 700;
}
.news__img1{
    display: block;
    width: 100%;
    height: auto;
    margin: 40px auto;
    max-width: 650px;
}
.news__tag{
    background-color: white;
    color: var(--blue);
    padding: 5px 10px;
}
.news__date{
    font-size: 14px;
    display: flex;
    gap: 40px;
    justify-content:left;
    align-items: center;
}
.news__txt{
    font-size: 16px;
    text-decoration-line: underline;
    text-decoration-color: white;
    text-decoration-thickness: 2px;
}
.news__item:hover{
    opacity: .5;
}
.news__more{
    position: absolute;
    bottom: -20px;
    right: 50%;
    display: block;
    width: auto;
    height: auto;
    text-decoration: underline;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    transform: translateX(50%);
}
@media screen and (min-width:1000px) {
    .news__item{
        display: block;
        width: 30%;
        height: auto;
        margin-top: 40px;
    }
    .news__item1{
        display: block;
        width: 30%;
        height: auto;
    }
    .news__list{
        display: flex;
        justify-content: space-between;
    }
    .news__more{
        font-size: 30px;
        margin-top: 30px;
    }
}
.btn__back{
    display: block;
    background-color: var(--green);
    margin: 30px auto;
    font-size: 20px;
    font-weight: 700;
    border-radius: 15px;
    text-align: center;
    width: 200px;
    height: 70px;
    padding: 10px 50px;
box-shadow: 3px 3px 4px rgba(0, 0, 0, 0.7);

}
/* footer */
.footer{
    margin-top: 50px;
}
.footer__logo{
    display: block;
    width: 80%;
    height: auto;
    margin: auto;
}
.footer__nav{
    display: flex;
    flex-direction: column;
    gap: 30px;
    font-size: 14px;
    margin: 30px 10px;
}
.copy{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    margin: 20px;
}

@media screen and (min-width:970px) {
    .footer{
        display: flex;
  
    }
    .footer__logo{
        width: 350px;
        height: auto;
        margin: 20px;
    }
    .footer__nav{
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        margin: 0 20px;
        font-size: 18px;
    }
}