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

html {
    font-size: 62.5%;
}
body {
    font-size: 1.6rem;
    font-family: 'Montserrat','Noto Sans jp', sans-serif;
    color: #333;
}
img,svg {
    width: 100%;
    vertical-align: bottom;
}
a {
    text-decoration: none;
    display: inline-block;
}
a:hover {
    opacity: .7;
    transition: .3s;
}
button{
    background-color: transparent;
    border: none;
    cursor: pointer;
    outline: none;
    padding: 0;
    appearance: none;
}
.section-wrapper {
    padding: 60px 0;
}

.flex-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.content-wrapper {
    max-width: 1100px;
    padding: 0 30px;
    margin: 0 auto;
}
.section-title {
    font-size: 3.2rem;
    font-weight: bold;
    margin-bottom: 30px;
}
.link-btn {
    color: #fff;
    background-color: #000;
    width: 160px;
    line-height: 36px;
    font-size: 1.2rem;
    display: block;
    text-align: center;
    font-weight: bold;
    margin-top: 30px;
}
.gray-bg {
    background-color: #f2f2f2;
}
.lines{
    line-height: 2;
}

/* ------------------- */
/* ----- header ------ */
/* ------------------- */

.site-title {
    width: 260px;
    position: fixed;
    top: 38px;
    left: 4vw;
    z-index: 1;
}
.site-title.black svg path {
    fill: #333;
    transition: fill .3s;
}
.header-nav {
    /* display: none; */
    font-weight: bold;
    font-size:2rem;
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 36.1vw;
    text-align: center;
    padding: 120px 0 0;
    background-color: rgba(34, 34, 34, 95);
    z-index: 2;
    transform: translateX(100%);
    opacity: 0;
    transition: transform .3s,opacity .3s;
}
.nav-item {
    margin-bottom: 30px;
}
.nav-item:first-of-type{
    margin-bottom: 40px;
}
.nav-item:last-of-type{
    margin-bottom: 0;
}
.header-nav a{
    color: #fff;
}

/* ハンバーガーボタン（メニューが開いていない時） */
.burger-btn {
    display: flex;
    align-items: center;
    position: fixed;
    top: 38px;
    right: 4vw;
    z-index: 3;
}
.bar {
    display: block;
    background-color: #fff;
    height: 2px;
    width: 22px;
    border-radius: 1px;
}
.bar-top {
    transform: translateY(-4px);
    transition: transform .3s;
}
.bar-bottom {
    transform: translateY(4px);
    transition: transform .3s;
}
.menu {
    display: block;
    font-size: 1rem;
    text-transform: uppercase;
    color: #fff;
    font-weight: bold;
    margin-left: 5px;
}

/* ハンバーガーボタン（メニューが開いた時）*/
.bar.cross.bar-top {
    transform: translateY(2px)rotate(30deg);
    transition: transform .3s;
}
.bar.cross.bar-mid {
    opacity: 0;
    transition: opacity .3s;
}
.bar.cross.bar-bottom {
    transform: translateY(-2px)rotate(-30deg);
    transition: transform .3s;
}

/* ハンバーガーメニュー開いた時 */
body .noscroll {
    overflow: hidden;
}
.header-nav.open {
    transform: translateX(0);
    opacity: 1;
    transition: transform .3s,opacity .3s;
}
.burger-musk {
    display: none;
    height: 100vh;
    width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .5);
    z-index: 1;
}
.burger-btn.black .bar {
    background-color: #333;
    transition: background-color .3s;
}
.burger-btn.black .menu {
    color: #333;
    transition: color .3s;
}

/* ------------------*/
/* --- key visual--- */
/* ----------------- */
    
.fv {
    height: 100vh;
}
.fv::after {
    content:"";
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    background-color: #222;
    width: 50%;
    height: 100%;
    z-index: -1;
}
.kv-wrapper{
    height: 86.5%;
    width: 76.4%;
    background-image: url(../img/kv-img.png);
    background-size: cover;
    background-position: center 0;
    position: relative;
}
.copy-wrapper{
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(50%,-50%);
    color:#fff;
}
.copy-jp{
    font-size: 2rem;
    margin-bottom: 4px;
}
.copy-company{
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: bold;
    
}
.main-copy{
    font-size: 7.2rem;
    line-height: 1.2;
    font-weight: bold;
    text-transform: uppercase;
}

/* -------------------- */
/* --- section-about--- */
/* -------------------- */

.section-wrapper:first-of-type{
    padding-top: 120px;
    position: relative;
}
.section-wrapper:first-of-type::after{
    content:"";
    width: 100vw;
    height: 160px;
    display: block;
    background-color: #f2f2f2;
    position: absolute;
    bottom: 0;
    z-index: -1;
}
.about-bg{
    background-image: url(../img/about-img.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    padding: 110px 0 110px 50px;
}
.about-content{
    max-width: 590px;
    padding: 50px 30px;
    box-sizing: border-box;
    background-color: rgba(225, 225, 225, 95);
}

/* ---------------------*/
/* --- section-about--- */
/* -------------------- */

.l-section-wrapper{
    padding: 60px 0;
}
.l-content-wrapper{
    max-width: 1100px;
    padding: 0 30px;
    margin: 0 auto;
}
.s-section-wrapper{
    width: 47.3%;
}
.section-img-wrapper{
    margin-bottom: 30px;
}

/* ----------------------*/
/* --- section-topics--- */
/* --------------------- */

.topics-list{
    max-width: 700px;
}
.topics-item{
    padding-bottom: 12px;
    border-bottom: 1px solid #ddd;
    margin-bottom: 30px;
}
.topics-date{
    color: #cecece;
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 12px;
}
.topics-title{
    color: #333;
    font-size: 1.4rem;
    font-weight: bold;
}
.ml-auto{
    margin-left: auto;
}

/* -----------------------*/
/* --- section-contact--- */
/* ---------------------- */

.section-wrapper:last-of-type{
    padding-bottom: 120px;
}
.contact-content{
    width: 40%;
}
.contact-img-wrapper{
    width: 52.7%;
}

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

.footer{
    line-height: 50px;
    background-color: #525252;
    text-align: center;
    color: #fff;
    font-size: 1rem;
}

/* sp版の記述 */

@media screen and (max-width: 768px){
/* ---------------------*/
/* ----- base-sp ------ */
/* -------------------- */

body{
    font-size: 1.4rem;
}
.section-wrapper{
    padding: 40px 0;
}

/* ------------------- */
/* ----- header-sp---- */
/* ------------------- */

.site-title{
    width: 18px;
    top: 21px;
}
.burger-btn{
    top: 28px;
}
.header-nav{
    width: 67.7vw;
}

/* ------------------*/
/* ----- fv-sp ----- */
/* ----------------- */
    
.copy-wrapper{
    right: -15%;
    transform: translate(0,-50%);
}
.copy-jp{
    font-size: 1.6rem;
}
.copy-company{
    font-size: 1.6rem;
}
.main-copy{
    font-size: 5.4rem;
}

/* ------------------------ */
/* --- section-about-sp --- */
/* ------------------------ */

.section-wrapper:first-of-type{
    padding: 80px 0 4vw;
}
.section-wrapper .about-bg{
    padding: 50px 4vw;
}
.about-content{
    margin: 0 auto;
}

/* ----------------------- */
/* --- section-work-sp --- */
/* ----------------------- */

.l-section-wrapper{
    padding: 40px 0;
}
.l-content-wrapper{
    flex-direction: column;
    align-items: flex-start;
    padding: 0 4vw;
}
.s-section-wrapper{
    width: 520px;
    max-width: 100%;
}
.s-section-wrapper:first-of-type{
    margin-bottom: 80px;
}

/* --------------------------*/
/* --- section-topics-sp --- */
/* ------------------------- */

.topics-title{
    font-size: 1.2rem;
}
.topics-item{
    margin-bottom: 20px;
}
.ml-auto{
    margin-left: 0;
}

/* -----------------------*/
/* --- section-contact--- */
/* ---------------------- */

.content-wrapper{
    flex-direction: column-reverse;
    align-items: flex-start;
    padding: 0 4vw;
}
.contact-content{
    width: 440px;
    max-width: 100%;
    margin-top: 30px;
}
.contact-img-wrapper{
    width: 520px;
    max-width: 100%;
}
.section-wrapper:last-of-type{
    padding-bottom: 80px;
}



}