@charset "UTF-8";
/****************************
 * トップページ
****************************/
.top-page {
    position: relative;
    width: 100%;
    overflow: hidden;
}

/* 背景スライドショー */
.top-page__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    opacity: 0;
    animation: fade 15s infinite; 
}
.top-page__slide--bg1 {
    background-color: #06172b;
    background-image: url('../images/contents/bg-top01-sp.jpg');
    animation-delay: 0s;
}
.top-page__slide--bg2 {
    background-color: #333;
    background-image: url('../images/contents/bg-top02-sp.jpg');
    animation-delay: 5s;
}
.top-page__slide--bg3 {
    background-color: #333;
    background-image: url('../images/contents/bg-top03-sp.jpg');
    animation-delay: 10s;
} 
@media (min-width: 768px) {
    .top-page__slide--bg1 {
        background-image: url('../images/contents/bg-top01.jpg');
    }
    .top-page__slide--bg2 {
        background-image: url('../images/contents/bg-top02.jpg');
    }
    .top-page__slide--bg3 {
        background-image: url('../images/contents/bg-top03.jpg');
    } 
}
@media (min-width: 1920px) {
    .top-page__slide {
        background-size: contain;
    }
}
@keyframes fade {
    0%   { opacity: 0; }
    8%   { opacity: 1; }
    33%  { opacity: 1; }
    41%  { opacity: 0; }
    100% { opacity: 0; }
} 

/* コンテンツ */
.top-page__content {
    position: relative;
    z-index: 1;
    color: #fff;
}

/* topics */
.top-page__topics{
    background: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
    color: #fff;
}
.top-page__topics-inner{
    max-width: 1200px;
    padding: 28px 8px 20px;
    margin: auto;
    box-sizing: border-box;
}
.top-page__topics-flex{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
}
.top-page__topics-item{
    width: calc(100% / 3);
    padding: 0 4px;
    text-align: center;
}
.top-page__topics-item--ttl{
    width: 100%;
    margin-bottom: 20px;
}
.top-page__topics-item--new-release{
    border-right: 1px solid #fff;
}
.top-page__topics-item--works{
    border-right: 1px solid #fff;
}
.top-page__topics-ttl{
    display: block;
    font-size: 40px;
    font-weight: 400;
    line-height: 1.4;
    color: #fff;
    text-align: center;
    margin: 0;
}
.top-page__topics-ttl .ja{
    display: block;
    font-size: 12px;
    font-weight: 400;
}
.top-page__cat{
    display: inline-block;
    font-size: 8px;
    font-weight: 400;
    line-height: 1;
    color: #fff;
    padding: 4px;
    border: 1px solid #fff;
    margin-bottom: 8px;
}
.top-page__topics-post-ttl{
    margin-bottom: 8px;
}
.top-page__topics-post-link{
    display: block;
    font-size: 12px;
    font-weight: 400;
    color:#fff;
}
.top-page__topics-post-link:hover{
    text-decoration: underline;
}
.top-page__topics-btn{
    display: block;
    position: relative;
    font-size: 8px;
    font-weight: 400;
    color:#fff;
}
.top-page__topics-btn::after{
    content: ' ＞';
    font-size: 0.9em;
    margin-left: 0.3em;
}
.top-page__topics-btn:hover{
    text-decoration: underline;
}
@media (min-width: 576px) {
    /* topics */
    .top-page__cat{
        font-size: clamp(8px, 1.3vmax, 16px);
        padding: 8px;
        margin-bottom: clamp(8px, 1.3vmax, 16px);
    }
    .top-page__topics-post-ttl{
        margin-bottom: clamp(8px, 1.2vmax, 16px);
    }
    .top-page__topics-post-link{
        font-size: clamp(8px, 1.2vmax, 16px);
    }
    .top-page__topics-btn{
        font-size: clamp(8px, 1vmax, 12px);
    }
}
@media (min-width: 768px) {
    /* topics */
    .top-page__topics-inner{
        padding: 20px 20px 40px;
    }
    .top-page__topics-item{
        width: calc(82% / 3);
    }
    .top-page__topics-item--ttl{
        width: 18%;
        padding: 12px;
        margin-bottom: 0;
        border-right: 1px solid #fff;
    }
    .top-page__topics-item--news{
        border-right: 1px solid #fff;
    }
    .top-page__topics-ttl .ja{
        font-size: 14px;
        margin-top: 4px;
    }
}

/* archiskin */
.top-page__archiskin{
    color: #fff;
}
.top-page__archiskin-inner{
    max-width: 1000px;
    padding: 40px 20px 80px;
    margin: auto;
    box-sizing: border-box;
}
.top-page__archiskin-ttl{
    display: block;
    font-size: 40px;
    font-weight: 400;
    line-height: 1.4;
    color: #fff;
    text-align: center;
    margin-bottom: 28px;
}
.top-page__archiskin-flex{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
}
.top-page__archiskin-item{
    width: calc(100% / 2);
    text-align: center;
    padding: 10px;
}
.top-page__archiskin-btn{  
    display: flex;
    align-items: center;     /* 縦の中央 */
    justify-content: center; /* 横の中央 */
    text-align: center;      /* テキストを中央揃え */
    max-width: 250px;
    aspect-ratio: 1 / 1;
    border: 1px solid #fff;
    font-size: clamp(8px, 1.6vmax, 24px);
    font-weight: 400;
    line-height: 1.2;
    color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6), inset 0px 0px 10px rgba(0, 0, 0, 0.6);
    margin: auto;
    transition: all 0.3s;
}
.top-page__archiskin-btn:hover{
    background: rgba(0, 0, 0, 0.4);
}
.top-page__archiskin-btn-txt{
    display: block;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.6);
}
.top-page__archiskin-btn .en{
    display: block;
    font-size: clamp(8px, 1.3vmax, 18px);
    font-weight: 400;
    line-height: 1.3;
    color: #fff;
    margin: clamp(4px, .8vmax, 12px) auto auto;
}
@media (min-width: 375px) {
    /* archiskin */
    .top-page__archiskin-btn{
        font-size: clamp(8px, 2.3vmax, 24px);
    }
    .top-page__archiskin-btn .en{
        font-size: clamp(8px, 1.8vmax, 18px);
        margin: clamp(4px, 1vmax, 12px) auto auto;
    }
}
@media (min-width: 576px) {
    /* archiskin */
    .top-page__archiskin-item{
        width: calc(100% / 3);
        text-align: center;
        padding: 10px;
    }
}
@media (min-width: 768px) {
    /* archiskin */
    .top-page__archiskin-ttl{
        font-size: 50px;
        margin-bottom: 80px;
    }
}

/* introduction */
.top-page__introduction{
    color: #fff;
    border-top: 1px solid #fff;
}
.top-page__introduction-inner{
    max-width: 1000px;
    padding: 60px 20px 80px;
    margin: auto;
    box-sizing: border-box;
}
.top-page__introduction-ttl{
    display: block;
    font-size: 24px;
    font-weight: 400;
    line-height: 1.4;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
}
.top-page__introduction-txt{
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: #fff;
    text-align: center;
    margin-bottom: 52px;
}
.top-page__introduction-btn{
    display: block;
    position: relative;
    max-width: 250px;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.2;
    color: #fff;
    border: 1px solid #fff;
    padding: .6em;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.6), inset 0px 0px 10px rgba(0, 0, 0, 0.6);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.6);
    margin: auto;
    transition: all 0.3s;
}
.top-page__introduction-btn:hover{
    background: rgba(0, 0, 0, 0.4);
}
.top-page__introduction-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    right: .5em;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid #fff;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}
@media (min-width: 768px) {
    /* introduction */
    .top-page__introduction-ttl{
        font-size: 28px;
        margin-bottom: 40px;
    }
    .top-page__introduction-btn{
        font-size: 24px;
    }
}