/* ====================
 リセットCSS
==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: "Noto Sans JP", sans-serif;
}

body {
    line-height: 1.5;
    letter-spacing: .05em;
}

h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}

ul, ol {
    list-style: none;
}

a {
    color: #64B5F6;
    transition: .3s;
}
a:hover {
    opacity: .7;
}

img {
    max-width: 100%;
    height: auto;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

button, input, select, textarea {
    background: transparent;
    border: none;
    font: inherit;
    cursor: pointer;
}

/* フォーカスが当たったときのスタイル */
:focus {
    outline: none;
}

/* フォーム要素の修正 */
input, textarea {
    background-color: transparent;
    border: 1px solid #ccc;
}

/* フォームのプレースホルダーのスタイル */
::placeholder {
    color: #999;
}

/* エレメントの整列（オプション） */
html {
    scroll-behavior: smooth;
}

/* ====================
 共通
==================== */
body.no_scroll {
    overflow: hidden;
}
.sp {
    display: none;
}

@media screen and (max-width: 768px) {
    .pc {
        display: none!important;
    }
    .sp {
        display: block;
    }
}

/* ====================
 MV
==================== */
.mv {
    width: 100%;
    /* height: calc(100vh - 62px); */
    height: 100vh;
    background-size: cover;
    background-image: url("../img/mv.jpg");
    position: relative;
}
.mv .logo_horizon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 9%;
}
.mv_cover {
    width: 50%;
    /* height: calc(100vh - 62px); */
    height:100vh;
    background: linear-gradient(to right, rgba(0,0,0,1), 75%, rgba(0,0,0,0));
    position: relative;
}
.mv_cover .title {
    width: 90%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.mv_scroll {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translate(-50%, 0);
}

@media screen and (max-width: 768px) {
    .mv {
        height: fit-content;
        background: none;
    }
    .mv_scroll {
        position: absolute;
        bottom: 20px;
        left: 50%;
        transform: translate(-50%, 0);
    }
}

/* ====================
 Header
==================== */
header ul.navi_pc {
    display: flex;
    border-bottom: 1px solid #1a1a1a;
}
header ul.navi_pc li {
    width: calc(100% / 6);
    border-right: 1px solid #1a1a1a;
}
header ul.navi_pc li:last-child {
    border-right: none;
}
header ul.navi_pc li a {
    display: block;
    width: 100%;
    height: 62px;
    line-height: 62px;
    text-align: center;
    font-size: 15px;
    font-weight: bold;
}
header ul.navi_pc li a:hover {
    background-color: #1a1a1a;
    color: #fff;
}
header ul.navi_pc li.disable a {
    background-color: #ccc;
    color: #666;
    font-weight: 500;
}
header ul.navi_pc li.submit a {
    background: linear-gradient(to bottom right, #BB54FF, 70%, #00D4FF);
    color: #fff;
    transition: .5s;
}
header ul.navi_pc li.submit a:hover {
    background: #BB54FF;
    transition: .5s;
}

@media screen and (max-width: 768px) {
    .navi_sp_btn {
        z-index: 500;
        position: fixed;
        bottom: 0;
        left: 0;
        height: 55px;
        background-color: #fff;
        display: block;
        width: 100%;
        line-height: 55px;
        text-align: center;
        font-size: 16px;
        font-weight: 700;
        border-top: 1px solid #1a1a1a;
    }
    .navi_sp_btn span.hamb {
        display: inline-block;
        width: 20px;
        transform: translate(0, 5px);
        margin-right: 10px;
    }
    .navi_sp_btn span.hamb span {
        display: block;
        height: 2px;
        margin: 4px 0;
        background-color: #1a1a1a;
        transition: .5s;
    }
    .navi_sp_btn.active span.hamb span:nth-child(1) {
		transform: translate(0, 5.8px) rotate(45deg);
	}
	.navi_sp_btn.active span.hamb span:nth-child(2) {
		opacity: 0;
	}
	.navi_sp_btn.active span.hamb span:nth-child(3) {
		transform: translate(0, -5.8px) rotate(-45deg);
	}
    .navi_sp {
        transform: translate(0, 100vh);
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, .8);
        transition: .5s;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 300;
    }
    .navi_sp.active {
        transform: translate(0, 0);
    }
    .navi_sp li {
        color: #fff;
        text-align: center;
        margin: 50px 0;
        font-weight: 700;
    }
    .navi_sp li:first-child {
        margin-top: 100px;
    }
    .navi_sp li.disable {
        color: #666;
    }
}


/* ====================
 Concept
==================== */
.concept {
    display: flex;
    justify-content: center;
    margin: 60px auto 0;
}
.concept_txt {
    width: fit-content;
}
.concept h2 {
    font-size: 50px;
    font-weight: 900;
    display: block;
    opacity: 0;
    position: relative;
    overflow: hidden;
    transition: .5s;
    width: fit-content;
}
.concept h2::after {
    content: '';
    display: block;
    background-color: #1a1a1a;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-100%, 0);
    transition: .5s;
}
.concept h3 {
    font-size: 30px;
    font-weight: 900;
    font-style: italic;
    display: block;
    opacity: 0;
    position: relative;
    overflow: hidden;
    transition: .5s;
    width: fit-content;
    padding-right: .5%;
}
.concept h3::after {
    content: '';
    display: block;
    background-color: #1a1a1a;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-100%, 0);
    transition: .5s;
    transition-delay: .2s;
}
.concept .show {
    opacity: 1;
}
.concept .show::after {
    transform: translate(101%, 0);
}
.concept p {
    margin-top: 45px;
    font-size: 20px;
    line-height: 2em;
    font-weight: 700;
    width: fit-content;
    opacity: 0;
    transform: translate(0, 50px);
    transition: .5s;
    transition-delay: .5s;
}
.concept p.show {
    opacity: 1;
    transform: translate(0, 0);
}

@media screen and (max-width: 768px) {
    .concept {
        width: 92%;
        margin: 30px auto 0;
    }
    .concept h2 {
        font-size: 40px;
    }
    .concept p {
        margin-top: 20px;
        font-size: 14px;
    }
}


/* ====================
 Overview
==================== */
.overview {
    margin-top: 60px;
    padding: 60px 0;
    border-top: 1px solid #a1a1a1;
}

.overview h2 {
    font-size: 50px;
    font-weight: 900;
    text-align: center;
}
.overview h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: #1a1a1a;
    margin: 30px auto 0;
}
.overview dl {
    width: 100%;
    max-width: 960px;
    margin: 30px auto 0;
    font-size: 18px;
    display: flex;
    flex-wrap: wrap;
}
.overview dt {
    width: 20%;
    border-bottom: 1px solid #1a1a1a;
    padding: 30px 0;
    margin: 0;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.overview dd {
    border-bottom: 1px solid #CFD8DC;
    padding: 30px 0;
    display: inline-block;
    width: 80%;
    margin: 0;
}
.overview dd span {
    font-size: 16px;
}

@media screen and (max-width: 768px) {
    .overview {
        width: 92%;
        margin: 40px auto 0;
    }
    .overview dl {
        display: block;
    }
    .overview h2 {
        font-size: 40px;
    }
    .overview dt {
        width: 100%;
        padding: 30px 0 15px;
        justify-content: left;
    }
    .overview dd {
        border-bottom: none;
        padding: 15px 0 10px;
        width: 100%;
        font-size: 17px;
    }
}


/* ====================
 Movie
==================== */
.movie {
    height: 400px;
    overflow: hidden;
    margin-top: 120px;
    position: relative;
    background-color: #1a1a1a;
}
.movie video {
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: .4;
    width: 100%;
}
.movie p.caption {
    position: absolute;
    right: 0;
    bottom: 0;
    background-color: #1a1a1a;
    color: #fff;
    font-size: 11px;
    padding: 4px 8px;
    display: inline-block;
}

@media screen and (max-width: 768px) {
    .movie {
        margin-top: 40px;
        height: 180px;
    }
}



/* ====================
 footer
==================== */
footer {
    background-color: #1a1a1a;
    margin-top: 120px;
    padding: 60px 0;
}
#index footer {
    margin-top: 0;
}
footer p {
    font-size: 14px;
    color: #fff;
    text-align: center;
}
@media screen and (max-width: 768px) {
    footer {
        padding-bottom: 115px;
    }
}