@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Zen+Kaku+Gothic+New:wght@400;700&display=swap');

html, body {
    font-family: "Zen Kaku Gothic New", sans-serif;
    line-height: 1.5;
    color: #000019;
    font-size: 1rem;
    background-color: #fff;
    scroll-behavior: smooth;
}
.inter{
    font-family: "Inter", sans-serif;
}
img, video {
    max-width: 100%;
    height: auto;
}
.text-center {
    text-align: center;
}
a:hover {
    opacity: 0.7;/* ホバー時に薄くする */
}
.wrapper{
    max-width: 1440px; /* 少し広げる */
    width: 80%;
    margin: 0 auto;
}
.pc{
    display: block;
}
.sp{
    display: none;
}
/* =======================================================
    アニメーション
========================================================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate.zoom {
    transform: scale(0.95) translateY(20px);
}

.scroll-animate.zoom.visible {
    transform: scale(1) translateY(0);
}
/* =======================================================
    section_title
========================================================== */
.section_title {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 80px;
}
.section_title .line {
    display: inline-block;
    height: 1.5px;
    width: 6rem;
    background: #000019;
}
h2{
    font-size: 6rem;
}
.section_title p{
    font-size: 1.875rem;
    font-weight: bold;
}
.sub-info{
    display: flex;
    align-items: center;
    gap: 20px;
}
/* =======================================================
    View More
========================================================== */
.view-more-wrapper {
    text-align: right; /* 親の左揃え */
    margin-top: 2rem;
}
/* View More ボタン全体のスタイル */
.view-more-btn {
    display: inline-block;
    position: relative;
    text-decoration: none;
    padding-bottom: 8px; /* 文字と線の間のスペース */
    text-align: right;
    color: #000019;
    transition: color 0.3s ease-out;
    padding-right: 1rem;
}
/* ホバー時のテキストカラー */
.view-more-btn:hover {
    color: #007bff;
}
/* 線と矢印をspanで表現 */
.view-more-btn .line {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300%; /* 文字幅の3倍の長さ */
    height: 1.5px;
    background-color: #000019;
    transition: background-color 0.3s ease-out, width 0.3s ease-out;
}
/* 矢印を作成するための疑似要素 */
.view-more-btn .line::after {
    content: "";
    position: absolute;
    top: -4.3px; /* 線の少し上に配置 */
    right: 0.5px;
    width: 10px;
    height: 10px;
    border-top: 1.5px solid #000019;
    transform: rotate(45deg); /* 45度回転させて矢印にする */
    transition: border-color 0.3s ease-out;
}
/* ホバー時の線のスタイル */
.view-more-btn:hover .line {
    background-color: #007bff;
}
/* ホバー時の矢印のスタイル */
.view-more-btn:hover .line::after {
    border-color: #007bff;
}

/* =======================================================
    background
========================================================== */

.bg-black{
    position: relative;
    margin-top: -32px; /* 100px 下に被せる */
    background-color: #000019;
    border-radius: 40px 40px 0 0;
    overflow: hidden;
    color: #fff;
}
.bg-white{
    position: relative;
    margin-top: -32px; /* 100px 下に被せる */
    background-color: #FEFEFE;
    border-radius: 40px 40px 0 0;
    overflow: hidden;
    color: #000019;
}
.bg-gray{
    position: relative;
    margin-top: -32px; /* 100px 下に被せる */
    background-color: #EEEEEE;
    border-radius: 40px 40px 0 0;
    overflow: hidden;
    color: #000019;
}
.bg-dark{
    position: relative;
    margin-top: -32px; /* 100px 下に被せる */
    background-color: #333333;
    border-radius: 40px 40px 0 0;
    overflow: hidden;
    color: #fff;
}
/* =======================================================
    header
========================================================== */

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 36px;
    background: transparent; /* 最初は完全透明 */
    backdrop-filter: none;   /* 最初はブラーなし */
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
header.scrolled {
    background: rgba(255, 252, 252, 0.1); /* 真っ白に */
    backdrop-filter: blur(5px);        /* ブラーON */
    color: black;
}
.kv_logo{
    width: 12%;
}
.header_menu ul{
    display: flex;
}
.header_menu ul li{
    color: #fff;
    font-size: 1.125rem;
    padding: 0 32px;
}
.contact{
    background-color: #000019;
    padding-bottom: 3px;
}

/* ハンバーガー非表示（PC用） */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #000;
}
/* =======================================================
    KV
========================================================== */

/* スライダー全体　*/
.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    height: calc(100vh + 140px);
    overflow: hidden;
    z-index: 2;
}
/* スライド1枚ごと */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 10%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}
/* 表示中のスライド */
.slide.active {
    opacity: 1;
}
/* 背景画像をCSSで指定 */
.slide1 { background-image: url('../img/kv1.webp'); }
.slide2 { background-image: url('../img/kv2.webp'); }
.slide3 { background-image: url('../img/kv3.webp'); }
/* コピー画像 */
.copy {
    position: absolute;
    top: 48%;
    left: 53%;
    transform: translate(-50%, -50%);
    width: 70%;
    pointer-events: none; /* クリック無効化 */
}
/* アニメーション定義 */
@keyframes kvZoom {
    0%   { transform: scale(1); }
    100% { transform: scale(1.05); } /* 5%ズームイン */
}

@keyframes copyFade {
    0%   { opacity: 0; transform: translate(-50%, -55%); }
    100% { opacity: 1; transform: translate(-50%, -50%); }
}
/* =======================================================
    VMV SECTION
========================================================== */
.vmv{
    z-index: 3;
}
.vmv-block{
    padding: 2rem 0;
}
.vmv-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100vh;
    scroll-snap-align: start;
}
.vmv-text {
    width: 40%;
    padding: 6rem 6rem 6rem 9rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    box-sizing: border-box;
}
.vmv-text h3 {
    font-size: 5rem;
    margin-bottom: 1rem;
    color: #A7A7A7;
}
.vmv-text p {
    font-size: 1.2rem;
}
.vmv-img{
    width: 54%;
}

/* =======================================================
    挑戦の母艦
========================================================== */
.ship{
    z-index: 4;
}
.ship-block{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 13rem 0;
}
.corporate-img{
    width: 40%;
}
.corporate-concept{
    width: 80%;
    padding-left: 6rem;
}
.corporate-concept h4{
    font-size: 2rem;
}
.corporate-concept p{
    font-size: 1.2rem;
}
.corporate-concept h5{
    font-size: 3.75rem;
    padding: 1.75rem 0;
}

/* =======================================================
    Service
========================================================== */
.service{
    z-index: 5;
}
.service-block{
    padding: 13rem 0;
}
.services {
    display: flex;
    justify-content: center;
}
.service-item {
    position: relative;
    flex: 1;
    min-height: 400px;
    overflow: hidden;
}
.service-title{
    z-index: 12;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    white-space: nowrap;
    text-shadow: 0 0 8px rgb(0, 0, 0, 0.4);
}
.service-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.2s ease;
}
/* 白黒を一番上に */
.service-item img.bw {
    z-index: 10;
    opacity: 1;
}
/* カラーは下に */
.service-item img.color {
    z-index: 5;
    opacity: 0;
    transform: scale(1.05);
}
.service-item:hover img.color {
    opacity: 1;
}
.service-item:hover img.bw {
    opacity: 0;
}

/* =======================================================
    news
========================================================== */
.news{
    z-index: 6;
}
.news-block{
    padding: 13rem 0;
}
.news-list {
  list-style: none;
  padding: 0;
}
.news-list li {
  margin-bottom: 20px;
}
.news-list .date {
  display: inline-block;
  color: #919191;
}
.news-list .title {
  padding-left:16px;
}

/* =======================================================
    About
========================================================== */
.about{
    z-index: 7;
}
.about-block{
    padding: 13rem 0;
}
.about_inner{
    display: flex;
    align-items: center;
    justify-content: center;
}
.about_text{
    padding-left: 6rem;
    width: 90%;
}
.about_inner p{
    font-size: 1.25rem;
    line-height: 2.25rem;
}

/* =======================================================
    footer
========================================================== */
footer{
    background-color: #000019;
    color: #EEEEEE;
    padding: 4rem 6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer_left img{
    width: 50%;
}
.footer_logo{
    padding-bottom: 1rem;
}
.mail img{
    width: 16px;
    margin-right: 8px;
}
.footer_contact{
    font-size: 1.125rem;
    padding: 0 32px;
    display: block;
    color: #000019;
    background-color: #EEEEEE;
    padding-bottom: 3px;
    margin-bottom: 1rem;
}
small{
    text-align: right;
}



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

SP

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


@media screen and (max-width: 768px) {
    .pc{
        display: none;
    }
    .sp{
        display: block;
    }
    .wrapper{
        max-width: 100%;
        width: 90%;
        margin: 0 auto;
    }
    h2 {
        font-size: 3rem;
    }
    p{
        font-size: 1rem;
        line-height: 1.8rem
    }
    /* ===================================
    view-more
    ===================================== */
    .view-more-wrapper {
        margin-top: 0%;
    }
    .view-more-btn {
        font-size: 1rem;
        padding-right: 2rem;
    }
    /* 文字右端に揃えて、左にはみ出す線 */
    .view-more-btn .line {
        width: 200px;
    }
    /* ===================================
    header
    ===================================== */
    header{
        padding: 1rem;
    }
    .kv_logo{
        width: 30%;
    }
    .header_menu ul {
        display: none; /* 初期非表示 */
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        width: 50%;
        background: rgba(255, 252, 252, 0.1); /* 真っ白に */
        backdrop-filter: blur(5px);        /* ブラーON */
        color: black;
    }
    .header_menu ul li{
        color: #fff;
        font-size: 1.125rem;
        padding: 0 32px;
    }
    .contact{
        background-color: #000019;
        padding-bottom: 3px;
    }
    .header_menu ul.open {
        display: flex;
    }
    /* ハンバーガー表示 */
    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 25px;
        height: 18px;
        cursor: pointer;
    }
    .hamburger span {
        display: block;
        height: 3px;
        width: 100%;
        background: #fff;
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    /* ハンバーガーがアクティブになったとき（×に変形） */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    /* SPメニュー初期非表示 */
    #spMenu ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(5px);
        padding: 2rem 0;
    }
    #spMenu ul li{
        padding-bottom: 1rem;
        margin: 0 2rem;
        text-align: center;
    }
    /* メニューが開いた状態 */
    #spMenu ul.open {
        display: flex;
    }
    #spMenu ul .contact{
        display: inline-block;
        padding: 4px;
    }
    /* ===================================
    bg
    ===================================== */
    .bg-black{
        border-radius: 20px 20px 0 0;
    }
    .bg-white{
        border-radius: 20px 20px 0 0;
    }
    .bg-gray{
        border-radius: 20px 20px 0 0;
    }
    .bg-dark{
        border-radius: 20px 20px 0 0;
    }
    /* ===================================
    section_title
    ===================================== */
    .section_title {
        /* SPでは縦並び */
        flex-direction: column;
        align-items: flex-start;
        gap: 0px;
        padding-bottom: 40px;
    }
    .section_title h2 {
        font-size: 3.5rem;
    }
    .section_title .sub-info {
        gap: 20px;
        align-self: flex-end;
        margin-top: -10px;
    }
    .section_title .line {
        /* 横並びにするため、inline-blockを維持 */
        display: inline-block;
        width: 6rem;
        height: 1.5px;
    }
    .section_title p {
        font-size: 1.25rem;
        font-weight: bold;
    }
    /* ===================================
    KV
    ===================================== */
    /* スライダー全体　*/
    .slider {
        height: 90vh;
    }
    /* 背景画像をCSSで指定 */
    .slide1 { background-image: url('../img/kv1_sp.webp'); }
    .slide2 { background-image: url('../img/kv2_sp.webp'); }
    .slide3 { background-image: url('../img/kv3_sp.webp'); }
    /* コピー画像 */
    .copy {
        top: 80%;
        left: 50%;
        width: 95%;
    }
    /* ===================================
    VMV
    ===================================== */
    .vmv-block{
        padding: 8rem 0 4rem;
    }
    .vmv-img {
        order: -1; /* 画像を先頭に */
        width: 90%;
    }
    .vmv-item {
        height: auto;
        flex-direction: column; /* 縦並びに */
    }
    .vmv-text {
        order: 0; /* 文字は後ろ */
        width: 90%;
        padding: 1rem;
        font-size: 1.125rem;
        margin-bottom: 4rem;
    }
    .vmv-text h3 {
        font-size: 3rem;
        margin-bottom: 0;
        color: #A7A7A7;
    }
    /* ===================================
    挑戦の母艦
    ===================================== */
    .ship-block{
        flex-direction: column;
        padding: 8rem 0;
    }
    .corporate-img{
        width: 90%;
        margin: 0 auto;
    }
    .corporate-concept{
        width: 100%;
        padding-left: 0;
        text-align: center;
    }
    .corporate-concept h4{
        font-size: 2rem;
    }
    .corporate-concept h5{
        font-size: 2em;
        padding: 1rem 0;
    }
    .corporate-concept p{
        font-size: 1rem;
        text-align: left;
        line-height: 2rem
    }
    /* ===================================
    service
    ===================================== */
    .service-block{
        padding: 6rem 0;
    }
    .services {
        flex-direction: column;
    }
    .service-item {
        min-height: 400px;
        margin-bottom: 2rem;
    }
    /* ===================================
    about
    ===================================== */
    .about-block{
        padding: 8rem 0;
    }
    .about_inner{
        display: flex;
        flex-direction: column;
    }
    .about_text{
        padding-left: 6rem;
        width: 90%;
    }
    .about_inner p{
        font-size: 1.25rem;
        line-height: 2.25rem;
    }
    /* ===================================
    .news
    ===================================== */
    .news-block{
        padding: 8rem 0;
    }
    /* ===================================
    .about
    ===================================== */
    .about-block{
        padding: 8rem 0;
    }
    .about_text{
        padding: 1rem 0;
        width: 100%;
    }
    .about_inner p{
        font-size: 1rem;
        line-height: 2rem;
    }
    /* ===================================
    footer
    ===================================== */
    footer{
        padding: 4rem 2rem;
        display: flex;
        flex-direction: column;
    }
    .mail img{
        width: 16px;
    }
    .footer_contact{
        font-size: 1.125rem;
        padding: 0.5rem 4rem;
        margin: 4rem auto 2rem;
    }
    footer small{
        text-align: center;
    }

}