*{
    font-family:"Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体", sans-serif;
    margin: 0;
    letter-spacing: 0.05em;
}
a {
    text-decoration: none;
}
ul {
    padding-left: 0;
}
li {
    list-style: none;
}
.PC {
    display: block;
}
.SP {
    display: none;
}

.wrap {
    overflow: hidden;
}

/*header*/
header {
    width: 100%;
    padding: 30px 0px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
}
.header-background {
    background: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transition: 1s;
}
.header-logo {
    width: 60px;
    float: left;
    padding-left: 50px;
}
.header-logo img {
    width: 100%;
}
.header-menu {
    width: 80%;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.header-menu a {
    display: inline-block;
    color: black;
    font-size: 18px;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-style: normal;
    border-bottom: 2px solid black;
    padding: 5px 0px;
    margin: 0 20px;
    transition: 0.5s;
}
.header-menu a:hover {
    opacity: 0.3;
}
.header-sns {
    float: right;
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
}
.header-sns a {
    transition: 0.5s;
}
.header-sns a:hover {
    opacity: 0.3;
}
.header-sns a i {
    color: black;
    padding-left: 30px;
}
.firstview-catchcopy {
    width: 500px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.firstview-catchcopy img {
    width: 100%;
}

/*hamburger menu*/
.hamburger-menu{
    display: none;
}
.hamburger-header-wrap {
    width: 100%;
    height: 90px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
}
.nav-position{
    position: fixed;
    top: 0;
    right: 0;
    z-index: 999;
    padding: 33px;
}
.nav-toggle{
    display: block;
    position: relative;
    width: 1.75rem;
    height: 1.5rem;
}
.nav-toggle i{
    display: block;
    width: 100%;
    height: 2px;
    background-color: black;
    position: absolute;
    transition: transform .5s, opacity .5s;
}
.nav-toggle i:nth-child(1){
    top: 0;
}
.nav-toggle i:nth-child(2){
    top: 0;
    bottom: 0;
    margin: auto;
}
.nav-toggle i:nth-child(3){
    bottom: 0;
}
.nav{
    width: 80vw;
    height: 100%;
    background: -moz-linear-gradient(top left, #2FB7FF, #2470C9); 
    background: -webkit-linear-gradient(top left, #2FB7FF, #2470C9); 
    background: linear-gradient(to bottom right, #2FB7FF, #2470C9);
    z-index: 990;
    position: fixed;
    top: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s, visibility .5s;
}
.nav ul{
    padding: 80px 0 0 40px;
}
.nav ul li a{
    width: 80%;
    height: 25px;
    color: white;
    font-size: 18px;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-style: normal;
    padding: 20px 0px 10px 0px;
    margin-top: 20px;
    display: inline-block;
    border-bottom: 1px solid white;
}
.nav ul li a span{
    font-size: 14px;
    font-family:"Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体", sans-serif;
    font-weight: lighter;
    padding-left: 10px;
}
.hamburger-sns {
    padding: 50px 0 0 40px;
    margin: 0 auto;
}
.hamburger-sns a {
    color: white;
    margin-right: 40px;
}

/*hamburger menu_click*/
.nav.show {
    opacity: 1;
    visibility: visible;
}
.nav-toggle.show i{
    background-color: white;
}
.nav-toggle.show i:nth-child(1) {
    transform: translateY(10px) rotate(-45deg);
}
.nav-toggle.show i:nth-child(2) {
    opacity: 0;
}
.nav-toggle.show i:nth-child(3) {
    transform: translateY(-12px) rotate(45deg);
}

/*main*/
.main {
    width: 100%;
    padding: 180px 0 0 0;
}
.main h1 {
    color: #26A7E1;
    font-size: 50px;
    letter-spacing: 0.1em;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    font-style: normal;
    text-align: center;
}
.sub-title {
    color: #26A7E1;
    font-size: 16px;
    text-align: center;
    padding-bottom: 50px;
}
.works-contents {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}
.works-heading {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
}
.big {
    font-size: 40px;
    padding: 0 5px;
}
.small {
    font-size: 16px;
}
.works-content {
    width: 100%;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.16);
    margin-top: 50px;
    display: flex;
}
iframe {
    width: 40%;
}
.works-img5, .works-img6 {
    display: block;
    width: 40%;
}
.works-img5 {
    background: url("../images/works-page-img5.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.works-img5:after {
    position: absolute;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    background: url("../images/works-page-img5.jpg");
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -ms-background-size: cover;
    background-size: cover;
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    transition: all .3s ease-out;
}
.works-img5:hover:after {
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1);
}
.works-img6 {
    background: url("../images/works-page-img6.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
}
.works-img6:after {
    position: absolute;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    background: url("../images/works-page-img6.jpg");
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -ms-background-size: cover;
    background-size: cover;
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    transition: all .3s ease-out;
}
.works-img6:hover:after {
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -ms-transform: scale(1.1);
    transform: scale(1.1);
}
.works-exp {
    width: 60%;
    padding: 50px 20px 20px 50px;
}
.works-exp h2 {
    font-size: 18px;
    font-weight: bold;
    padding-bottom: 20px;
}
.works-kinds {
    display: inline-block;
    color: #7E7E7E;
    font-size: 14px;
    border: 1px solid #7E7E7E;
    padding: 10px 25px;
}
.works-exp a {
    color: #26A7E1;
    font-size: 14px;
    border: 1px solid #26A7E1;
    border-radius: 99px;
    padding: 8px 15px 10px 40px;
    float: right;
    transition: 0.5s;
}
.works-exp a:hover {
    color: white;
    background: #26A7E1;
}
.works-exp a span {
    padding-left: 20px;
}
.works-contents2 {
    width: 100%;
    padding: 50px 0;
    background: #FAFAFA;
    margin-top: 100px;
}
.content2-title {
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    padding-bottom: 40px;
}
.works-content2-wrap {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.works-content2 {
    width: 300px;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.16);
    background: white;
    margin: 0 30px 30px 30px;
}
.works-content2 p {
    font-size: 18px;
    text-align: center;
    padding: 25px 0;
}


/*footer*/
.footer {
    width: 100%;
    height: 400px;
    background: #003A64;
    position: relative;
}
.footer-content {
    width: 600px;
    padding-top: 100px;
    margin: 0 auto;
}
.footer-logo {
    width: 100px;
    float: left;
    padding-top: 25px;
}
.footer-logo img {
    width: 100%;
}
.footer-menu {
    float: right;
}
.footer-menu ul {
    float: left;
}
.footer-menu ul li {
    margin-bottom: 35px;
}
.ul-left {
    margin-right: 60px;
}
.footer-menu ul li a {
    color: white;
    font-family: din-2014, sans-serif;
    font-weight: lighter;
}
.footer-copyright {
    color: white;
    font-size: 10px;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}


@media screen and (max-width: 1000px) {
    .PC {
        display: none;
    }
    .SP {
        display: block;
    }

    /*header*/
    header {
        display: none;
    }
    .hamburger-header-logo {
        width: 50px;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 99;
        padding: 20px;
    }
    .hamburger-header-logo img {
        width: 100%;
    }
    .firstview-catchcopy {
        width: 90%;
        max-width: 500px;
    }
    /*hamburger menu*/
    .hamburger-menu{
        display: block;
    }

    /*main*/
    .main {
        padding: 130px 0 50px 0;
    }
    .main h1 {
        font-size: 40px;
    }
    .sub-title {
        font-size: 14px;
        padding-bottom: 30px;
    }
    .works-contents {
        width: 90%;
    }
    .works-heading {
        font-size: 18px;
    }
    .big {
        font-size: 30px;
    }
    .small {
        font-size: 14px;
    }
    .works-content {
        margin-top: 30px;
        display: block;
    }
    iframe {
        width: 100%;
        height: 200px;
    }
    .works-img5, .works-img6 {
        width: 100%;
        height: 200px;
    }
    .works-exp {
        width: 100%;
        padding: 20px 20px 70px 20px;
        box-sizing: border-box;
    }
    .works-exp h2 {
        font-size: 16px;
        padding-bottom: 15px;
    }
    .works-kinds {
        font-size: 12px;
        padding: 7px 25px;
    }
    .works-exp-btn-wrap {
        width: 226px;
        padding-top: 30px;
        margin: 0 auto;
    }
    .works-exp a {
        padding: 10px 15px 12px 75px;
        float: left;
    }
    .works-exp a span {
        padding-left: 50px;
    }
    .works-contents2 {
        padding: 30px 0;
        margin-top: 50px;
    }
    .content2-title {
        font-size: 18px;
        padding-bottom: 30px;
    }
    .works-content2-wrap {
        width: 90%;
        max-width: 1000px;
    }
    .works-content2-wrap2 {
        width: 90%;
        max-width: 1000px;
    }
    .works-content2 {
        width: 100%;
        max-width: 300px;
        margin: 0 10px 20px 10px;
    }
    .works-content2 p {
        font-size: 16px;
        padding: 15px 0;
    }
    
    /*footer*/
    .footer {
        height: 55px;
    }
    .footer-content {
        display: none;
    }
    .footer-copyright {
        width: 90%;
        color: white;
        text-align: center;
        font-size: 12px;
        margin: 0 auto;
    }
}