@charset "UTF-8";


:root {
    --color-primary: #004D8C;
    --color-accent: #00A3E0;
    --color-text-main: #1A1A1C;
    --color-text-light: #666666;
    --color-bg-dark: #06090F;
    --color-white: #FFFFFF;
    --font-en: 'Inter', sans-serif;
    --font-ja: 'Noto Sans JP', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --header-height: 80px;
}


*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 62.5%; }
body {
    font-family: var(--font-ja);
    font-size: 1.6rem;
    color: var(--color-text-main);
    line-height: 1.8;
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    cursor: none; 
}
a { text-decoration: none; color: inherit; transition: var(--transition); cursor: none; }
button { cursor: none; }
ul { list-style: none; }
img, video { max-width: 100%; height: auto; vertical-align: bottom; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.section { padding: 120px 0; }


.cursor {
    position: fixed;
    top: 0; left: 0;
    width: 8px; height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, background 0.3s ease;
    opacity: 0; 
    will-change: left, top;
}
.cursor-follower {
    position: fixed;
    top: 0; left: 0;
    width: 38px; height: 38px;
    border: 1.5px solid rgba(0, 163, 224, 0.55);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.35s ease, height 0.35s ease, border-color 0.35s ease;
    opacity: 0;
    will-change: left, top;
}
.cursor.is-hover {
    width: 14px; height: 14px;
    background: var(--color-primary);
}
.cursor-follower.is-hover {
    width: 60px; height: 60px;
    border-color: var(--color-primary);
    background: rgba(0, 77, 140, 0.06);
}

@media (hover: none) {
    .cursor, .cursor-follower { display: none; }
    body, a, button { cursor: auto; }
}


.word-reveal {
    display: block;
    overflow: hidden;
    line-height: 1.4;
}
.section-title .word-reveal,
.recruit-title .word-reveal {
    display: block;
}
.wr-inner {
    display: block;
    transform: translateY(110%);
    transition: transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
}
.word-reveal.is-revealed .wr-inner {
    transform: translateY(0);
}

.word-reveal:nth-child(2) .wr-inner { transition-delay: 0.18s; }
.word-reveal:nth-child(3) .wr-inner { transition-delay: 0.32s; }



.fade-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.30s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.60s; }


.slide-left {
    opacity: 0;
    transform: translateX(-70px);
    transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-right {
    opacity: 0;
    transform: translateX(70px);
    transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-left.is-visible,
.slide-right.is-visible { opacity: 1; transform: translateX(0); }


.fade-trigger {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}
.fade-trigger.is-visible { opacity: 1; transform: translateY(0); }


.section-label {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section-label.light { color: rgba(255,255,255,0.7); }

.section-title {
    font-family: var(--font-ja);
    font-size: clamp(2.8rem, 3.5vw, 4rem);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 24px;
    color: var(--color-text-main);
}
.section-title.light { color: var(--color-white); }

.section-desc {
    font-size: 1.7rem;
    color: var(--color-text-light);
    line-height: 2;
    max-width: 720px;
}
.section-desc.light { color: rgba(255,255,255,0.8); }

.section-head { text-align: center; margin-bottom: 64px; }
.section-head .section-desc { margin: 0 auto; }


.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-family: var(--font-en);
    font-weight: 600;
    font-size: 1.4rem;
    border-radius: 40px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn .material-symbols-outlined { font-size: 1.8rem; }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: #003a6b; }
.btn-white { background: var(--color-white); color: var(--color-primary); }
.btn-white:hover { background: #f0f4f8; }
.btn-outline-white { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 18px 48px; font-size: 1.6rem; }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-en);
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--color-primary);
}
.link-arrow .material-symbols-outlined { font-size: 1.8rem; transition: transform 0.3s ease; }
.link-arrow:hover .material-symbols-outlined { transform: translateX(4px); }
.link-arrow.small { font-size: 1.3rem; }


.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: var(--transition);
}
.header.is-scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 48px;
    gap: 32px;
}
.logo { display: flex; align-items: center; }
.logo-img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1); 
    transition: var(--transition);
}

.header.is-scrolled .logo-img { 
    filter: brightness(0) invert(0.2); 
}

.global-nav { margin-left: auto; }
.nav-list { display: flex; gap: 36px; align-items: center; }
.nav-list > li { display: flex; align-items: center; }
.nav-list a {
    display: flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.05em;
    position: relative;
}
.header.is-scrolled .nav-list a { color: var(--color-text-main); }
.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}
.nav-list a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 20px; }
.lang-switch {
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255,255,255,0.6);
}
.lang-active { color: var(--color-white); }
.header.is-scrolled .lang-switch { color: var(--color-text-light); }
.header.is-scrolled .lang-active { color: var(--color-primary); }

.hamburger { display: none; background: none; border: none; width: 28px; height: 22px; position: relative; cursor: pointer; flex-shrink: 0; }
.hamburger span { position: absolute; width: 100%; height: 2px; background: var(--color-white); left: 0; transition: var(--transition); }
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }
.header.is-scrolled .hamburger span { background: var(--color-text-main); }
.hamburger.is-open span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.mobile-nav {
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(6, 9, 15, 0.97);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav.is-open { max-height: 500px; }
.mobile-nav-list { padding: 16px 0 32px; }
.mobile-nav-link {
    display: block;
    padding: 18px 48px;
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav-link:hover { color: var(--color-accent); }


.has-mega { position: static; }
.has-mega > a { gap: 2px; } 
.nav-arrow {
    font-size: 1.4rem !important;
    line-height: 0 !important;
    display: inline-flex;
    align-items: center;
    transition: transform 0.3s ease;
}
.has-mega:hover .nav-arrow { transform: rotate(180deg); }

.mega-menu {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(2, 14, 48, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(0,163,224,0.25);
    border-bottom: 2px solid rgba(0,163,224,0.35);
    box-shadow: 0 16px 48px rgba(0,0,0,0.6);
    padding: 36px 48px;
    z-index: 99;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mega-menu.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.mega-tech {
    display: flex;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.mega-tech-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 24px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: background 0.25s ease, border-color 0.25s ease;
}
.mega-tech-link:hover {
    background: rgba(0,163,224,0.1);
    border-color: rgba(0,163,224,0.3);
}
.mega-tech-label {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-accent);
}
.mega-tech-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-white);
}

.mega-tech-img {
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16/9;
    margin-bottom: 4px;
}
.mega-tech-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.mega-tech-link:hover .mega-tech-img img { transform: scale(1.06); }


.mega-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.mega-product-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 14px 18px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.06);
    transition: background 0.25s ease, border-color 0.25s ease;
}
.mega-product-item:hover {
    background: rgba(0,163,224,0.1);
    border-color: rgba(0,163,224,0.3);
}
.mega-product-img {
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 16/9;
}
.mega-product-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.mega-product-item:hover .mega-product-img img { transform: scale(1.06); }
.mega-product-name {
    font-family: var(--font-en);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 0.02em;
}


@media (max-width: 768px) { .mega-menu { display: none !important; } }


.side-dot-nav {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.side-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.45);
    background: transparent;
    padding: 0;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.side-dot.is-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: scale(1.5);
}
.side-dot:hover {
    border-color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.25);
    transform: scale(1.2);
}

.side-dot-nav.on-light .side-dot {
    border-color: rgba(0,0,0,0.3);
}
.side-dot-nav.on-light .side-dot.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
@media (max-width: 768px) { .side-dot-nav { display: none; } }


.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 1; overflow: hidden; background-color: #000; }
.hero-video {
    width: 100%; height: 110%; 
    object-fit: cover;
    will-change: transform;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,10,30,0.75) 0%, rgba(0,20,60,0.4) 60%, rgba(0,0,0,0.2) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    padding: 0 48px;
    gap: 60px;
    color: var(--color-white);
}


.hero-text {
    flex: 1;
    max-width: 620px;
}


.hero-image {
    flex: 0 0 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255,255,255,0.08),
        0 0 60px rgba(0, 163, 224, 0.25); 
    animation: heroImgFlyin 1.4s cubic-bezier(0.16, 1, 0.3, 1) 1.8s both;
}
.hero-image img,
.hero-image video {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}
.hero-image:hover img,
.hero-image:hover video {
    transform: scale(1.04);
}


@keyframes heroImgFlyin {
    from {
        opacity: 0;
        transform: translateX(80px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}


.hero-image {
    animation: heroImgFlyin 1.4s cubic-bezier(0.16, 1, 0.3, 1) 1.8s both,
               heroFloat 5s ease-in-out 3.2s infinite;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}
.hero-eyebrow {
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.4em;
    color: var(--color-accent);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 1s forwards 0.3s;
}
.hero-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}
.hero-title .en-text {
    font-family: var(--font-en);
    font-size: clamp(3rem, 3.8vw, 5.6rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.02em;
    display: block;
    overflow: hidden;
    white-space: nowrap; 
    color: transparent; 
}


.hero-title .en-text .char {
    display: inline-block;
    color: var(--color-white); 
    opacity: 0;
    transform: translateY(110%);
    animation: charSlideUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes charSlideUp {
    from { opacity: 0; transform: translateY(110%); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: clamp(1.6rem, 2vw, 2.2rem);
    font-weight: 300;
    letter-spacing: 0.18em;
    opacity: 0.85;
    margin-bottom: 40px;
}
.hero-cta { margin-top: 16px; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-en);
    font-size: 0.95rem;
    letter-spacing: 0.25em;
}
.scroll-indicator .line {
    width: 1px; height: 60px;
    background: rgba(255,255,255,0.2);
    position: relative; overflow: hidden;
}
.scroll-indicator .line::after {
    content: '';
    position: absolute; top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--color-white);
    animation: scroll-line 2s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}
@keyframes scroll-line { 0% { top: -100%; } 100% { top: 100%; } }


.concept { background: var(--color-white); }
.concept-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
    align-items: center;
}
.concept-text { font-size: 1.7rem; color: var(--color-text-light); line-height: 2; margin-bottom: 28px; }
.concept-img-wrap {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.12);
    transition-delay: 0.2s; 
}
.concept-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.concept-img-wrap:hover img { transform: scale(1.04); }


.stats {
    background: var(--color-primary);
    padding: 80px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}
.stat-item { color: var(--color-white); }
.stat-number {
    font-family: var(--font-en);
    font-size: clamp(4rem, 5vw, 6.4rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}
.stat-unit {
    font-family: var(--font-ja);
    font-size: clamp(2rem, 2.5vw, 2.8rem);
    font-weight: 700;
    opacity: 0.85;
}
.stat-prefix {
    font-family: var(--font-en);
    font-size: clamp(2rem, 2.5vw, 3rem);
    font-weight: 800;
    opacity: 0.85;
}

.stat-iso {
    font-family: var(--font-en);
    font-size: clamp(4rem, 5vw, 6.4rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    
    opacity: 0;
    transform: scale(0.72);
}
.stat-item.is-visible .stat-iso {
    animation: isoReveal 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s forwards;
}
@keyframes isoReveal {
    from { transform: scale(0.72); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}
.stat-label {
    font-size: 1.3rem;
    font-weight: 500;
    opacity: 0.7;
    letter-spacing: 0.1em;
}


.technology {
    background:
        linear-gradient(
            160deg,
            rgba(0, 8, 30, 0.88) 0%,
            rgba(0, 20, 60, 0.75) 50%,
            rgba(0, 8, 30, 0.92) 100%
        ),
        url('../images/webp/tech-bg.webp') center / cover no-repeat;
    color: var(--color-white);
}
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.tech-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}
.tech-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.08); }
.tech-card img { width: 100%; height: 220px; object-fit: cover; }
.tech-card-body { 
    padding: 28px; 
    background: rgba(0, 8, 30, 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.tech-card-label {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    margin-bottom: 10px;
}
.tech-card-title { font-size: 2rem; font-weight: 700; color: var(--color-white); margin-bottom: 12px; }
.tech-card p { font-size: 1.4rem; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 20px; }
.tech-card .link-arrow { color: var(--color-accent); font-size: 1.3rem; }


.products { background: #F8F9FB; }
.products-feature {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 0;
    align-items: center;
    margin-bottom: 60px;
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}
.products-feature-img { height: 480px; overflow: hidden; }
.products-feature-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.products-feature:hover .products-feature-img img { transform: scale(1.04); }
.products-feature-text { padding: 56px; }
.product-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    background: rgba(0, 163, 224, 0.1);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
}
.products-feature-title { font-family: var(--font-en); font-size: 5rem; font-weight: 800; color: var(--color-primary); margin-bottom: 20px; line-height: 1; }
.products-feature-desc { font-size: 1.6rem; color: var(--color-text-light); line-height: 2; margin-bottom: 32px; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.07);
    transition: var(--transition);
    background: var(--color-white);
    display: block;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.12); }
.product-card img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.6s ease; }
.product-card:hover img { transform: scale(1.05); }
.product-card-body {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
}
.product-card-name { font-family: var(--font-en); font-size: 2rem; font-weight: 800; color: var(--color-primary); }
.product-card-body .material-symbols-outlined { color: var(--color-primary); }


.news { background: var(--color-white); }
.news-inner { display: grid; grid-template-columns: 280px 1fr; gap: 80px; align-items: start; }
.news-head { }
.news-head .link-arrow { margin-top: 24px; display: inline-flex; }
.news-list { }
.news-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid #EBEBEB;
    transition: var(--transition);
}
.news-item:first-child { border-top: 1px solid #EBEBEB; }
.news-item:hover { padding-left: 12px; }
.news-meta { display: flex; flex-direction: column; gap: 6px; }
.news-date { font-family: var(--font-en); font-size: 1.3rem; font-weight: 600; color: var(--color-text-light); white-space: nowrap; }
.news-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 2px 10px;
    border-radius: 4px;
    white-space: nowrap;
}
.news-tag.event { background: #E8F4FD; color: var(--color-primary); }
.news-tag.press { background: #FFF4E5; color: #B05A00; }
.news-tag.media { background: #E8FDF4; color: #006B40; }
.news-title { font-size: 1.5rem; color: var(--color-text-main); line-height: 1.7; }
.news-item .material-symbols-outlined { color: #BDBDBD; font-size: 2rem; transition: var(--transition); }
.news-item:hover .material-symbols-outlined { color: var(--color-primary); transform: translateX(4px); }


.recruit {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.recruit-bg { position: absolute; inset: 0; z-index: 1; }
.recruit-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; transform: scale(1.1); }
.recruit-overlay {
    position: absolute; inset: 0;
    
    background: linear-gradient(to top, rgba(0, 5, 15, 0.85) 0%, rgba(0, 5, 15, 0.2) 100%);
}
.recruit-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    max-width: 600px;
}
.recruit-title {
    font-size: clamp(3.2rem, 4.5vw, 5.6rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 28px;
}
.recruit-text { font-size: 1.7rem; line-height: 2; opacity: 0.85; margin-bottom: 40px; }
.recruit-btns { display: flex; gap: 16px; flex-wrap: wrap; }


.contact {
    background:
        linear-gradient(
            105deg,
            rgba(255,255,255,1.00) 0%,
            rgba(248,250,255,0.96) 35%,
            rgba(230,240,255,0.82) 60%,
            rgba(210,230,255,0.55) 100%
        ),
        url('../images/webp/contact-bg.webp') center right / cover no-repeat;
    border-top: 3px solid var(--color-accent);
}
.contact-inner { text-align: center; max-width: 600px; margin: 0 auto; }
.contact-title { font-size: 4rem; font-weight: 700; margin-bottom: 20px; color: var(--color-primary); }
.contact-text { font-size: 1.7rem; color: var(--color-text-light); margin-bottom: 40px; }


.footer { background: var(--color-bg-dark); color: var(--color-white); padding: 60px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 48px; }
.footer-logo { height: 32px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-tagline { font-family: var(--font-en); font-size: 1.1rem; color: rgba(255,255,255,0.4); margin-top: 12px; letter-spacing: 0.05em; }
.footer-nav ul { display: flex; gap: 32px; flex-wrap: wrap; }
.footer-nav a { font-family: var(--font-en); font-size: 1.2rem; font-weight: 600; color: rgba(255,255,255,0.5); letter-spacing: 0.05em; }
.footer-nav a:hover { color: var(--color-white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.08); }
.copyright { font-family: var(--font-en); font-size: 1.2rem; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 1.2rem; color: rgba(255,255,255,0.35); }
.footer-links a:hover { color: rgba(255,255,255,0.7); }


@media screen and (max-width: 1024px) {
    .concept-grid { gap: 48px; }
    .tech-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .news-inner { grid-template-columns: 1fr; gap: 40px; }
    .news-head { display: flex; justify-content: space-between; align-items: flex-end; }
    .news-head .section-title { margin-bottom: 0; }
    .news-head .link-arrow { margin-top: 0; }
    .footer-inner { flex-direction: column; gap: 40px; }
}

@media screen and (max-width: 768px) {
    .container { padding: 0 24px; }
    .section { padding: 80px 0; }
    .header-inner { padding: 0 24px; justify-content: space-between; }
    .global-nav, .header-actions { display: none; }
    .hamburger { display: block; margin-left: auto; }

    
    .slide-left, .slide-right {
        transform: translateY(40px);
    }

    .hero-title .en-text {
        font-size: clamp(2.8rem, 9vw, 4.5rem);
        white-space: normal;
        word-break: keep-all;   
        overflow-wrap: normal;
    }

    
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: 0 24px;
        gap: 32px;
    }
    .hero-text { max-width: 100%; }
    .hero-image { display: none; } 

    .concept-grid { grid-template-columns: 1fr; gap: 40px; }
    .concept-img-wrap { order: -1; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .stats { padding: 56px 0; }

    .tech-grid { grid-template-columns: 1fr; }

    .products-feature { grid-template-columns: 1fr; gap: 0; }
    .products-feature-img { height: 280px; }
    .products-feature-text { padding: 32px 24px; }
    .products-feature-title { font-size: 4rem; }
    .products-grid { grid-template-columns: 1fr; }

    .news-item { grid-template-columns: 1fr auto; }
    .news-meta { grid-column: 1 / -1; flex-direction: row; gap: 10px; }

    
    .recruit {
        padding: 0; 
        display: flex;
        flex-direction: column;
    }
    .recruit-bg {
        position: relative;
        height: 280px; 
        width: 100%;
        z-index: 1;
    }
    .recruit-bg img {
        object-position: 50% 45%;
        transform: none; 
    }
    .recruit-overlay {
        display: none; 
    }
    .recruit .container {
        position: relative;
        z-index: 2;
        background: var(--color-bg-dark); 
        padding: 48px 24px;
        width: 100%;
    }
    .recruit-title { font-size: clamp(2.8rem, 8vw, 3.6rem); }
    .recruit-text { font-size: 1.4rem; margin-bottom: 32px; line-height: 1.8; opacity: 0.9; }
    .recruit-btns { flex-direction: column; }

    .contact {
        
        background:
            linear-gradient(
                to bottom,
                rgba(255,255,255,1.00) 0%,
                rgba(248,250,255,0.96) 50%,
                rgba(240,245,255,0.7) 100%
            ),
            url('../images/webp/contact-bg.webp') center / cover no-repeat;
    }

    .footer-nav ul { flex-direction: column; gap: 16px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }
}


/* トップに戻るボタン */
.page-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 95;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 77, 140, 0.3);
}
.page-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.page-top:hover {
    transform: translateY(-5px);
    background: var(--color-accent);
    box-shadow: 0 15px 40px rgba(0, 163, 224, 0.4);
}
.page-top .material-symbols-outlined {
    font-size: 2.4rem;
}
@media screen and (max-width: 768px) {
    .page-top {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
    }
    .page-top .material-symbols-outlined {
        font-size: 2rem;
    }
}