/* ------------- */
/* base
/* ------------- */

html{ 
    font-size: 62.5%;
}

body{
    font-size: 1.6rem;
    letter-spacing: .05em;
    color: #171717;
    font-family: 'Noto Serif', 'Noto Serif JP', serif;
}

img{
    width: 100%;
    vertical-align: bottom;
}

.section-wrapper{
    padding: 100px 0 70px;
}

.section-title{
    max-width: 1000px;
    color: #282F35;
    font-size: 6rem;
    font-style: italic;
    margin: 0 auto 80px;
    padding: 0 20px;
}

.section-title::after{
    content: "";
    display: inline-block;
    background-color: #282F35;
    width: 200px;
    height: 5px;
    margin-left: 30px;
    vertical-align: middle;
}

.section-inner{
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 50px;
}

.section-bottom{
    max-width: 1200px;
    margin: 0 auto;
    font-size: 9rem;
    opacity: .05;
}

.submit-btn{
    display: block;
    width: 235px;
    line-height: 60px;
    margin: 0 auto 70px;
    background-color: #F7D43F;
    box-shadow: 0 0 6px #282F35;
    border-radius: 30px;
    text-align: center;
    color: #171717;
    font-weight: bold;
    text-decoration: none;
    transition: .3s;
    border: none;
}

.submit-btn:hover{
    opacity: .7;
    transition: .3s;
    cursor: pointer;
}

/* ----------------- */
/* header
/* ----------------- */
.header{
    padding: 19px 30px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    box-sizing: border-box;
    width: 100%;
    height: 100px;
}

.header-inner{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.header a{
    color: #fff; 
    text-decoration: none;
    transition: .3s;
    font-weight: bold;
    font-style: italic;
}

.header a:hover{
    opacity: .7;
    transition: .3s;  
}

.site-title{
    font-size: 2.6rem;
}

.nav-list{
    display: flex;
}

.nav-item{
    margin-right: 30px;
}

.nav-item:last-of-type{
    margin-right: 0;
}

.burger-btn{
    display: none;
}

.header.fixed{
    position: fixed;
    background-color: rgba(0, 4, 7, 0.724);
    padding: 30px;
    width: 100%;
    height: 80px;
    transition: .3s;
}




/* ----------------- */
/* page-title
/* ----------------- */

.page-title-wrapper{
    height: 435px;
    background-image: url(../img/contact-page-bgi@2x.jpg);
    background-size: cover;
    background-position: center;
}

.page-title{
    font-size: 6rem;
    font-weight: bold;
    font-style:  italic;
    text-align: center;
    padding-top: 186px;
    color: #fff;
}

.page-title-bottom{
    font-size: 9rem;
    color: #fff;
    opacity: .1;
    margin: 20px 0 0 48px;
}

/* ----------------- */
/* form
/* ----------------- */

.form-wrapper{
    padding: 100px 0 80px;
}

.form-list{
    max-width: 700px;
    margin: 0 auto 80px;
    padding: 0 50px;
}

.form-item{
    margin-bottom: 25px;
}

.form-item:last-of-type{
   margin-bottom: 0;
}

.form-label{
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input,textarea{
    resize: none;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    border: 1px solid #141414;
    width: 100%;
    color: #171717;
    box-sizing: border-box;
}

.input-text{
   padding: 0 8px;
   line-height: 30px;
}

textarea{
    height: 170px;
    padding: 0 8px;
    line-height: 30px; 
}

.checkbox-list{
    display: flex;
}

.checkbox-item{
    margin-right: 20px;
}
.checkbox label,
.checkbox{
   cursor: pointer;
}

.checkbox{
    border: solid 1px #282F35;
    height: 10px;
    width: 10px;
    margin-right: 10px;
}

.checkbox:checked{
    background-color: #333;
}

/* ----------------- */
/* footer
/* ----------------- */

.footer{
    padding: 30px 0;
    text-align: center;
    font-size: 1.4rem;
    font-weight: bold;
    color: #282F35;
}

@media screen and (max-width:768px){
/* ----------------- */
/* base_sp
/* ----------------- */
    .section-wrapper{
        padding: 100px 0 40px;
        
    }

    .section-title{
        padding: 0 4vw;
        font-size: 3rem;
        margin-bottom: 50px;
    }

    .section-title::after{
        width: 90px;
    }

    .section-inner{
        padding: 0 4vw;
    }

    .section-bottom{
        font-size: 4rem;
        padding: 0 4vw;
    }

    .link-btn{
        margin-bottom: 40px;
    }

/* -----------------*/
/* header_sp
/* -----------------*/
    .header{
        padding: 30px 4vw 0;
        width: 100%;
    }

    .header-nav{
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: #282F35;
    }

    .nav-list{
        height: 100%;
        display: block;
        /* text-decoration: column; */
        justify-content: center; 
        text-align: center;
        margin-top: 250px;
    }

    .nav-item{
        /* display: block; */
        
        margin: 0 0 30px;
    }

    .nav-item:last-of-type{
        margin-bottom: 0;
    }

    .burger-btn{
        display: block;
        position: absolute;
        top: 30px;
        right: 4vw;
    }

    .burger-btn .bar{
        display: block;
        height: 3px;
        width: 30px;
        background-color: #fff;
        transition: .3s;
    }

    .bar_top,
    .bar_mid{
        margin-bottom: 8px;
    }

    .burger-btn.cross .bar_top{
        transform: rotate(45deg) translate(8px,8px);
        transition: .3s;
    }

    .burger-btn.cross .bar_mid{
        opacity: 0;
        transition: .3s;
    }

    .burger-btn.cross .bar_bottom{
        transform: rotate(-45deg) translate(8px,-8px);
        transition: .3s;
    }

    body.noscroll{
        overflow: hidden;
    }

    button{
        background-color: transparent;
        border: none;
        cursor: pointer;
        outline: none;
        padding: 0;
        appearance: none;
    }

    .sp-br{
        display: block;
    }

    .pc-br{
        display: none;
    }

/* -----------------*/
/* fv_sp
/* -----------------*/
 body {
    width: auto;
    text-align: center;
    }    
    
    .checkbox-list{
        display: inline-block;
        text-align: center;
    }

    .checkbox-item{
        margin-right: 0;
        text-align: left;
    }
    
    .page-title-wrapper{
        width: 100%;
        margin: 0 auto;
        
    }

    .input-text ,textarea{
       width: 400px;
    }

    .form-list {
        padding-left: 10px;
        padding-right: 10px;

        
        
    }
}