@charset "UTF-8";


/* ================================
common 
===================================*/

:root {
    --maincolorBlue: #4F98F3;
    --maincolorBlack:#1C2B39;
    --maincolorTxt:#222;
    --background-color: #fff;
}

html {
    font-size: 62.5%;
    /* prevent any horizontal scrollbar caused by viewport units or padding */
    overflow-x: hidden;
    box-sizing: border-box;
}

/* make every element use border-box so padding doesn't add to width */
*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family:
        'Noto Sans JP',
        'Inter',
        sans-serif;
    font-style: normal;
    font-weight: 400;
    color: var(--maincolorTxt),#222;
    background-color: var(--background-color),#fff;
    line-height: 1.8;
    font-size: 1.6rem;
    /* overflow-x hidden moved up to html */
}

img {
    max-width: 100%;
    height: auto;
}

.section_title {
    display: inline-flex;
    align-items: center;
    color: var(--maincolorBlack,#1C2B39);
    font-family: 'Inter', sans-serif;
    text-align: left;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 180%;
    text-shadow: 0px 2px 2px rgba(0, 0, 0, 0.25);
    margin-top: 72px;
}

.section_title::before {
    content: '';
    display: inline-block;
    width: 150px;
    height: 1px;
    margin-right: 5%;
    background-color: var(--maincolorBlack, #1C2B39);
    box-shadow:  0px 2px 2px 0px rgba(0, 0, 0, 0.25);
}


/* common PC */
@media screen and (min-width: 769px) {
    .section_title {
        font-size: 2.8rem;
        margin-top: 98px;  
        letter-spacing: 1.4px;      
    }

    .section_title::before {
        content: '';
        display: inline-block;
        width: 418px;
        height: 1px;
        margin-right: 5%;
    }
    

}

/* ================================
header
===================================*/

.header {
    padding: 0 9.6%;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo,
.nav__logo{
    width: 51px;
    height: 32px;
}

.header__logo a,
.nav__logo a {
    display: flex;
    align-items: center;
}

.header__menu {
    color: var(--maincolorBlue);
    font-size: 1.8rem;
    font-weight: 700;
}

/* nav　初期表示 */
.nav {
    /* avoid 100vw, which can overflow when vertical scrollbar is present */
    width: 100%;
    max-width: 100%;
    height: 100vh;
    background: url(..//images/main_sp.jpg) center/cover no-repeat;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transform: translatex(-100%);
    transition: transform 0.4s;
    overflow-x: hidden;
}

.nav__header {
    width: 100%;
    height: 64px;
    padding-right: 4.2%;
    padding-left: 4.2%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #FFF;
}

.nav__list {
    margin-top: 72px;
}

.nav__item {
    color: var(--maincolorBlack);
    font-family: 'Inter',sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 180%; /* 39.6px */
    letter-spacing: 1.1px;
    margin-top: 72px;
    display: flex;
    align-items: center;
    text-shadow: 0px 2px 2px rgba(0, 0, 0, 0.25);
    background-color: rgba(245, 245, 245, 0.5);
    background-size: contain;
}

.nav__item::before {
    content: '';
    display: inline-block;
    width: 90px;
    height: 1px;
    margin-right: 5%;
    background-color: var(--maincolorBlack, #1C2B39);
    box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.25);
}


/* .nav.active */
.nav.active {
    transform: translateX(0);
}


/* header PC */

@media screen and (min-width: 769px) {
    .header {
        max-width: 1280px;
        height:auto;
        margin: 0 auto;
        padding: 30px 104px;
    }

    .header__logo {
        width: 120px;
        height: 72px;
        aspect-ratio: 8/5;
    }

    .nav__header {
        display: none;
    }

    .nav {
        background: transparent;
        width: auto;
        height: auto;
        padding: 0;
        position: static;
        transform: translateX(0);
    }

    .nav__list {
        margin-top: 0;
        display: flex;
    }

    .nav__item {
        color: var(--maincolorBlue);
        text-align: center;
        font-size: 2.2;
        letter-spacing: 0.05em;
        margin: 0 0 0 48px;
        text-shadow: 0 0 0;
        background-color: #FFF;
    }

    .nav__item::before {
        display: none;
    }

    .nav__footer {
        display: none;
    }


    .header__btn {
        display: none;
    }
}


/* footer */
.footer {
    width: 100%;
    height: auto;
    background-image: url(..//images/footer_sp.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 10% 0;
}

.copy{
    margin-top: 8%;
    text-align: center;
}


.copy small {
    color: #FFF;
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: 0.7px;
}

@media screen and (min-width: 769px) {
    .footer {
        width: 100%;
        height: auto;
        background-image: url(..//images/footer_pc.jpg);
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding: 10% 0;
    }
    .copy small {
        font-size: 1.8rem;
    }
}