/* ===================================================================

	intro

=================================================================== */
html{
    position: relative;
}
body{
    overflow: hidden;
    position: relative;
    background-image: url(../images/bgimg_sp.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
body::before{
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    content: "";
    display: inline-block;
    width: 101vw;
    height: 100vh;
    background-image: url(../images/bgimg_pc.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -1;
}
main{
    position: relative;
    z-index: 1;
    overflow-y: scroll;
    height: 100vh;
}
.secwrap{
    height: 100vh;
}
body::after{
    content: "";
    display: inline-block;
    width: 101%;
    height: calc(var(--vh, 1vh) * 100);
    min-height: 100dvh;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.6);
}
img{
    -webkit-user-select: none; /* Chrome/Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* IE/Edge */
    user-select: none;
    pointer-events: none;
    -webkit-user-drag: none;
    -moz-user-drag: none;
    user-drag: none;
}
.image{
    display: flex;
}
#intro {
    color: #fff;
    padding: 60px 0 0;
    margin-bottom: 40px;
}
#intro .image{
    margin-bottom: 30px;
}

#cards .cardset{
    color: #fff;
    padding: 15px 15px;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px; 
}
#cards .cardset a{
    color: #fff;
}
#cards .cardset h2{
    line-height: 1;
    font-size: 18px;
    text-shadow: 0 0 5px #000;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: solid 1px #fff;
}
#cards .cardset .txt{
    font-size: 15px;
}
#cards .cardset .txt span.ttl{
    font-size: 16px;
}
#cards .cardset ul li{
    padding-left:1em;
    text-indent:-1em;
}
#cards .cardset .webworks{
    margin-top: 10px;
    margin-bottom: 20px;
}
#cards .cardset .work{
    margin-bottom: 20px;
    line-height: 1;
    text-align: center;
}
#cards .cardset .work img{
    background: #fff;
}
#cards .cardset .work a{
    font-size: 15px;
}
#cards .cardset .imgwrap{
    display: block;
    margin-top: 10px;
}
#cards .cardset .imgwrap2{
    display: flex;
    gap: 10px;
    margin-top: 10px;
}
#cards .cardset .imgwrap2 img{
    width: calc(100% / 2 - 5px);
}
#cards .cardset .btn {
    display: block;
    min-width: 250px;
}
#cards .cardset .btn a{
    font-weight: normal;
    border-radius: 50vh;
    line-height: 1;
    background: #0a0a0a;
    border: solid 2px;
    border-radius: 50vh;
    line-height: 1;
    box-shadow: 0 0 10px #fff;
}



.accordion {
    position: relative;
    width: 100%;
    margin-top: 15px;
}
.accordion-title {
    color: #fff;
    cursor: pointer;
    padding: 8px 20px;
}
.accordion-content {
    display: none;
    padding: 10px 20px 15px;
}
.accordion-content p {
    font-size: 14px;
}
/* タイトルの背景色 */
.accordion-item .accordion-title {
    background-color: #0a0a0a;
    box-shadow: 0 0 5px #fff;
}
/* コンテンツボックスの枠線 */
.accordion-item .accordion-content {
    letter-spacing: -0.01rem;
    background: #fff;
    color: #000;
    border-bottom: 1px solid #0a0a0a;
    border-left: 1px solid #0a0a0a;
    border-right: 1px solid #0a0a0a;
}
/* 矢印 */
.accordion-title {
    position: relative;
}
/* 縦線 */
.accordion-title::before {
    background: #fff; /* 線の色 */
    content: "";
    height: 2px; /* 線の太さ */
    position: absolute;
    right: 20px;
    top: 50%; /* 線の位置を縦中央に */
    transform: rotate(90deg); /* 線を縦に */
    transition: transform .3s ease-in-out;
    width: 15px; /* 線の幅 */
}
/* 横線 */
.accordion-title::after {
    background: #fff; /* 線の色 */
    content: "";
    height: 2px; /* 線の太さ */
    position: absolute;
    right: 20px;
    top: 50%; /* 線の位置を縦中央に */
    transition: opacity .3s ease-in-out;
    width: 15px; /* 線の幅 */
}
/* 縦線(クリック後) */
.accordion-title.open::before {
    transform: rotate(180deg);
}
/* 横線(クリック後) */
.accordion-title.open::after {
    opacity: 0;
}



.copyright{
    color: #fff;
    text-align: center;
    margin-bottom: 120px;
}

.fixbottom{
    max-width: 480px;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    width: 100%;
    height: 50px;
    box-shadow: 0 -5px 10px #060808;
    color: #fff;
    background: #cc261e;
    bottom: 0;
    left: 50%;
    -webkit-transform : translateX(-50%);
    transform : translateX(-50%);
    letter-spacing: 0.2rem;
}
.fixbottom:hover{
    opacity: 1 !important;
}


@media only screen and (max-width: 1024px){
    .copyright{
        margin-bottom: 180px;
    }
}