@charset "UTF-8";
:root{
    --yellow:#FFB430;
    --green:#5CD400;
}
html{
    font-size: 62.5%;
}
body{
  font-family: "Shippori Mincho", serif;
  font-weight: 400;
  font-style: normal;
  line-height: 1.8;
}
img{
    max-width: 100%;
}
.seni__txt{
    font-size: 16px;
}
.btn{
    display: block;
    width: 90%;
    height:auto;
    background-color: var(--green);
    color: white;
   font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
     font-weight:700;
    font-style:normal;
    font-size: 16px;
    padding: 25px 30px;
    border-radius: 10px;
    transition: 0.4s;
    margin: auto;
}
.btn:hover{
    opacity: 0.5;
}
.section{
    margin-top: 40px;
}
/* header */
.btn__pc{
    display: none;
}
.btn__sp{
    position: absolute;
    top: 15px;
    right: 15px;
}
.header__btn:hover{
    opacity: 0.7;
}
.nav{
    background-color:rgba(255, 180, 48, 0.8);
    height: 100vh;
    width: 100%;
    color: black;
    font-size: 20px;
    z-index: 10;
    position: fixed;
    top: 0;
    left: 0;
    transition: 0.4s;
    transform: translateX(-100%);
}
.nav.active{
    transform: translateX(0);
}
.nav__list{
    margin: 70px 20px;
}
.nav__item{
    margin-top: 40px;
}
.nav__close{
    position: absolute;
    top: 15px;
    right: 15px;
    display: block;
    width: 35px;
    height: 35px;
}
/* pc header */
@media screen and (min-width:769px) {
    .nav{
        font-size: 30px;
    }
    .nav__item{
        margin-top: 70px;
    }
    .nav__list{
        margin: 100px 30px;
    }
    .nav__close{
        width: 45px;
        height: 45px;
    }
    .btn__pc{
    position: absolute;
    top: 20px;
    right: 20px;
    display: block;
    }
    .btn__sp{
        display: none;
    }
    
    }

/* article */
.mainimg__pc{
    display: none;
}
.mainimg{
    width: 100%;
}
.title{
    font-size: 22px;
    font-weight: 700;
position: relative;
text-align: center;
margin: 60px 40px;
}
.title::before,
.title::after{
    content: "";
    left: 0;
    position: absolute;
    border-color: black;
    border-style: solid;
    width: 100%;
    height: 4px;
}
.title::before{
    border-width:2px 0 1px 0;
    top: -10px;
}
.title::after{
    border-width:1px 0 2px 0;
    bottom: -10px;
}
.title {
  opacity: 0;
  transform: translateY(20px);
  transition: 1.5s ease;
}

.title.show {
  opacity: 1;
  transform: translateY(0);
}
#toTopBtn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width:80px;
  height: 80px;
  font-size: 40px;
  border:3px black solid;
  border-radius: 50%;
  background-color:var(--yellow);
  color: black;
  cursor: pointer;
  opacity: 0;               
  visibility: hidden;        
  transition: 0.3s;          
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
}

#toTopBtn.show {
  opacity: 1;
  visibility: visible;
}
#toTopBtn:hover{
    opacity: 0.7;
}

/* article pc */
@media screen and (min-width:769px){
    .mainimg__pc{
        display: block;
        width: 100%;
        height: auto;
    }
    .mainimg__sp{
        display: none;
    }
        .title{
        font-size: 40px;
}
.section{
    margin-top: 170px;
    line-height: 2;
}
}
/* top */
.top__img{
    width: 80%;
    height: auto;
    margin: 40px auto;
    display: block;
    position: relative;
}
.top__g p{
font-size:20px;
text-align: center;
}
.top__last{
    font-size: 22px;
    text-align: center;
    margin-top: 40px;
}
.seni{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 40px 20px;
    background-color: var(--yellow);
}
.seni__topic{
    margin-top: 20px;
    font-size: 18px;
    text-align: center;
}
.seni__1{
    margin :20px auto;
    display: block;
    width: 80%;
    max-width: 600px;
    text-align: center;
}
/* top pc */
@media screen and (min-width:1100px){
    .top__img__group1{
        display: flex;
     gap:80px ;
     justify-content: center;
    }
    .top__img__group2{
        display: flex;
     gap: 400px;
     justify-content: center;
        
    }
    .top__img{
        width: 400px;
        height: auto;
    }
    .top__last{
        font-size: 34px;
        margin-top: 60px;
    }
    .seni__topic{
        font-size: 28px;
    }
    .seni__txt{
        font-size: 28px;
    }
    .btn{
        font-size: 30px;
    }
}
.section__reason{
    background-color: var(--yellow);
    padding: 30px 30px;
}
.reason__img{
    width: 80%;
    height: auto;
    display: block;
    margin: 15px auto;
}
.reason__topic{
    font-size: 20px;
    color: white;
    text-shadow:2px 2px 4px rgba(0, 0, 0,0.7);
    margin-left: 40px;
}
.reason__txt{
    font-size: 16px;
    margin-top: 15px;
}
.reason__item{
    margin-top: 30px;
}
/* reason pc */
@media screen and (min-width:1000px){
    .reason__list{
        display: flex;
        justify-content: space-between;
 
    }
    .reason__img{
        display: block;
        width: 400px;
        height: auto;
    }
    .reason__item{
    margin: 40px 50px;
    }
    .reason__topic{
        font-size: 34px;
    }
    .reason__txt{
        font-size: 20px;
        margin-top: 30px;
    }
}
/* custamer */
.cuatamer__item{
    margin-top: 30px;
}
.custamer__img{
    width: 80%;
    height: auto;
    margin: 40px auto;
    display: block;
}
.custamer__group{
display: block;
width: 80%;
height: auto;
margin: auto;
font-size: 16px;
}
/* custamer pc */
@media screen and (min-width:769px){
    .custamer__item{
        display: flex;
        margin: 40px 50px;
    }
    .custamer__img{
        width: 45%;
        margin-right: 30px;
    }
    .custamer__group{
        font-size: 20px;
    }
}
/* nagare */
.nagare__list{
    margin: 40px 30px;
}
.nagare__txt{
    text-align: center;
    font-size: 20px;
    color: white;
}
.nagare__item img{
    margin: 20px auto;
    width: auto;
    height: auto;
    display: block;
}
.section__nagare{
    background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),url(./back@3x.png);
    
    background-repeat: no-repeat;
    background-size: cover;
    padding: 40px 0;
}
.nagare__title{
    color: white;
    position: relative;
}
.seni__txt__nagare{
    color: white;
}
.nagare__title::before,
.nagare__title::after{
    content: "";
    left: 0;
    position: absolute;
    border-color: white;
    border-style: solid;
    width: 100%;
    height: 4px;
}
.nagaretitle::before{
    border-width:2px 0 1px 0;
    top: -10px;
}
.nagaretitle::after{
    border-width:1px 0 2px 0;
    bottom: -10px;
}
/* nagare pc */
@media screen and (min-width:1100px){
    .section__nagare{
        padding: 80px 0;
    }
    .nagare__txt{
        font-size: 24px;
        margin-top: 70px;
    }
}
.question__topic{
    font-size: 20px;
margin-top: 40px;
}
.question__txt{
    font-size: 16px;
    margin-top: 20px;
}
.question__list{
    margin: 40px 30px;
}
/* question pc */
@media screen and (min-width:769px){
    .question__topic{
        font-size: 30px;
        margin-top: 70px;
    }
    .question__txt{
        font-size: 20px;
    }
}
/* footer */
.footer__title{
    font-size: 48px;
    font-weight: 700;
}
.footer{
    padding: 30px;
    margin-top: 30px;
    background-color: var(--yellow);
}
.footer__nav__item {
    font-size: 16px;
    margin-top: 30px;
}
.copy{
display: block;
text-align: center;
font-size: 12px;
margin: 20px 0 10px;
}
/* footer pc */
@media screen and (min-width:769px){
    .footer__nav__list{
        display: flex;
        justify-content:space-between;
        margin-top: 70px;
    }
    .copy{
        margin-top: 70px;
    }
}