* {
    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 * {
    box-sizing: border-box;
}
.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;
}
section {
    width: 100%;
    background: #FAFAFA;
    padding: 0 0 100px;
}
section:first-of-type {
    margin-top: 100px;
}
.sec-index {
    width: 100%;
    padding: 120px 0 320px;
}
section.video .sec-index {
    background: url('../images/what-index-img01.webp') center center no-repeat;
    background-size: cover;
}
section.media .sec-index {
    background: url('../images/what-index-img02.webp') center center no-repeat;
    background-size: cover;
}
.sec-index-inner {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
}
.sec-index-num {
    width: 85px;
    color: #FFF;
    font-size: 50px;
    font-weight: 600;
    font-family: din-2014, sans-serif;
}
.sec-index-txt {
    width: calc(100% - 85px);
}
.sec-index-txt-ttl h2 {
    color: #FFF;
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.sec-index-txt-ttl h2 .adjust {
    text-indent: -1.5rem;
}
.sec-index-txt-ttl span {
    display: block;
    width: fit-content;
    color: #FFF;
    border: 1px solid #FFF;
    padding: 5px 15px;
    margin-top: 10px;
}
.sec-index-txt p {
    color: #FFF;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8;
    margin-top: 30px;
}
.sec-index-txt a {
    color: #FFF;
    text-decoration: none;
    border-bottom: 1px solid #FFF;
    transition: all .3s ease;
}
.sec-index-txt a:hover {
    border-bottom: 1px solid transparent;
    opacity: .5;
}
.sec-index-txt p span {
    display: inline-block;
    width: 18px;
    transform: translateY(2px);
    margin-left: 5px;
}
.sec-index-txt p span img {
    width: 100%;
}
.sec-cnt {
    width: 90%;
    max-width: 1200px;
    background: #FFF;
    padding: 70px 0;
    margin: -250px auto 0;
}
.sec-cnt table {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}
.sec-cnt table tr {
    display: flex;
    border-bottom: 1px solid #C6C6C6;
    padding: 40px 10px;
}
.sec-cnt table tr:last-of-type {
    border-bottom: none;
}
.sec-cnt table tr th {
    display: block;
    width: 250px;
    text-align: left;
}
.sec-cnt table tr th span {
    display: block;
    color: #25A7E1;
    font-size: 14px;
    font-family: din-2014, sans-serif;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.sec-cnt table tr th h3 {
    font-size: 20px;
    font-weight: 700;
    margin-top: 5px;
}
.sec-cnt table tr td {
    width: calc(100% - 250px);
}
.sec-cnt table tr td ul li {
    font-size: 16px;
    margin: 10px 0 0;
}
.sec-cnt table tr td ul li:first-of-type {
    margin: 0;
}
.sec-cnt table tr td ul.rich li {
    display: flex;
    align-items: center;
    gap: 0 15px;
    margin-top: 15px;
}
.sec-cnt table tr td ul.rich li:first-of-type {
    margin-top: 0;
}
.sec-cnt table tr td ul.rich li span {
    width: 30px;
}
.sec-cnt table tr td ul.rich li span img {
    width: 100%;
}
.sec-cnt table tr td ul.rich li p {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
}
.sec-cnt table tr td dl .line {
    margin: 10px 0 0;
    display: flex;
    align-items: center;
}
.sec-cnt table tr td dl .line:first-of-type {
    margin: 0;
}
.sec-cnt table tr td dl dt {
    width: 145px;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    position: relative;
}
.sec-cnt table tr td dl dt::before {
    content: '';
    width: 10px;
    height: 10px;
    background: url('../images/what-triangle-icon.svg') center center no-repeat;
    background-size: contain;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}
.sec-cnt table tr td dl dd {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    padding-left: 15px;
}
.sec-cnt table tr td dl dd a {
    color: #000;
    text-decoration: none;
    overflow-wrap: anywhere;
    padding-bottom: 5px;
    border-bottom: 1px solid #000;
    transition: all .3s ease;
}
.sec-cnt table tr td dl dd a:hover {
    opacity: .5;
    border-bottom: 1px solid transparent;
}
.sec-btn {
    display: block;
    width: 300px;
    color: #25A7E1;
    font-size: 22px;
    font-weight: 600;
    font-family: din-2014, sans-serif;
    text-align: center;
    letter-spacing: 0.05em;
    border: 1px solid #25A7E1;
    border-radius: 50px;
    padding: 20px 0;
    margin: 50px auto 0;
    position: relative;
    transition: all .3s ease;
}
.sec-btn:hover {
    color: #FFF;
    background: #25A7E1;
}
.sec-btn svg {
    width: 15px;
    height: 19px;
    position: absolute;
    top: 50%;
    right: 25px;
    transform: translateY(-50%);
}
.sec-btn svg path {
    stroke: #25A7E1;
    transition: stroke .3s ease;
}
.sec-btn:hover svg path {
    stroke: #FFF;
}
.sec-cnt-banner {
    width: 90%;
    max-width: 900px;
    overflow: hidden;
    background: linear-gradient(45deg, #25A7E1, #2679D0);
    margin: 0 auto;
    transform: skewX(-10deg);
}
.sec-cnt-banner-flex {
    display: flex;
    transform: skewX(10deg);
}
.sec-cnt-banner-img {
    width: 40%;
    transform: skewX(-10deg);
    overflow: hidden;
}
.sec-cnt-banner-img img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}
.sec-cnt-banner-txt {
    width: 60%;
    padding: 60px;
    box-sizing: border-box;
}
.sec-cnt-banner-txt h2 {
    color: #FFF;
    font-size: 34px;
    font-weight: 700;
}
.sec-cnt-banner-txt h2 span {
    display: block;
    color: #FFF;
    font-size: 20px;
    font-weight: 400;
    font-family: din-2014, sans-serif;
}
.sec-cnt-banner-txt p {
    color: #FFF;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.8;
    margin-top: 20px;
}


/*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 {
        width: 100%;
        padding: 130px 0 0 0;
    }
    .main h1 {
        font-size: 40px;
    }
    .sub-title {
        font-size: 14px;
        padding-bottom: 30px;
    }

    section {
        padding: 0 0 70px;
    }
    section:first-of-type {
        margin-top: 50px;
    }
    .sec-index {
        padding: 70px 0 150px;
    }
    .sec-index-inner {
        width: 90%;
        max-width: 1200px;
    }
    .sec-index-num {
        width: 45px;
        font-size: 28px;
    }
    .sec-index-txt {
        width: calc(100% - 50px);
    }
    .sec-index-txt-ttl h2 {
        font-size: 26px;
    }
    .sec-index-txt-ttl h2 .adjust {
        text-indent: -1rem;
    }
    .sec-index-txt-ttl span {
        font-size: 12px;
        padding: 3px 10px;
        margin-top: 5px;
    }
    .sec-index-txt p {
        font-size: 14px;
        margin-top: 20px;
    }
    .sec-index-txt p span {
        width: 14px;
        transform: translateY(2px);
        margin-left: 3px;
    }
    .sec-cnt {
        width: 90%;
        padding: 20px 0;
        margin: -100px auto 0;
    }
    .sec-cnt table {
        width: 85%;
        max-width: 1000px;
        margin: 0 auto;
    }
    .sec-cnt table tr {
        display: block;
        padding: 30px 0;
    }
    .sec-cnt table tr th {
        width: 100%;
        text-align: left;
    }
    .sec-cnt table tr th span {
        font-size: 12px;
    }
    .sec-cnt table tr th h3 {
        font-size: 18px;
        margin-top: 3px;
    }
    .sec-cnt table tr td {
        width: 100%;
        padding-top: 10px;
    }
    .sec-cnt table tr td ul li {
        font-size: 14px;
        margin: 10px 0 0;
    }
    .sec-cnt table tr td ul.rich li {
        display: flex;
        align-items: baseline;
        gap: 0 10px;
        margin-top: 10px;
    }
    .sec-cnt table tr td ul.rich li span {
        width: 20px;
        transform: translateY(5px);
    }
    .sec-cnt table tr td ul.rich li p {
        width: calc(100% - 30px);
        font-size: 14px;
    }
    .sec-cnt table tr td dl .line {
        margin: 10px 0 0;
        display: flex;
        align-items: center;
    }
    .sec-cnt table tr td dl dt {
        width: 80px;
        font-size: 14px;
        line-height: 1.4;
        padding-right: 20px;
    }
    .sec-cnt table tr td dl dd {
        width: calc(100% - 80px);
        font-size: 14px;
        line-height: 1.4;
        padding-left: 15px;
    }
    .sec-cnt table tr td dl dd a {
        padding-bottom: 0;
    }
    .sec-btn {
        width: 230px;
        font-size: 20px;
        padding: 15px 0;
        margin: 30px auto 0;
    }
    .sec-btn svg {
        width: 13px;
        height: 17px;
        right: 20px;
    }
    .sec-cnt-banner {
        width: 85%;
        margin: 0 auto;
        transform: skewX(-2deg);
    }
    .sec-cnt-banner-flex {
        display: block;
        transform: skewX(2deg);
    }
    .sec-cnt-banner-img {
        width: 110%;
        transform: skewX(-2deg);
    }
    .sec-cnt-banner-txt {
        width: 100%;
        padding: 20px 30px 30px;
    }
    .sec-cnt-banner-txt h2 {
        font-size: 22px;
    }
    .sec-cnt-banner-txt h2 span {
        font-size: 14px;
    }
    .sec-cnt-banner-txt p {
        font-size: 14px;
        margin-top: 15px;
    }
    
    /*footer*/
    .footer {
        height: 55px;
    }
    .footer-content {
        display: none;
    }
    .footer-copyright {
        width: 90%;
        color: white;
        text-align: center;
        font-size: 12px;
        margin: 0 auto;
    }
}