:root {
    --color-bg: #FFFFFF;
    --color-text: #111111;
    --color-accent: #00FFFF;
    /* Cyan/Electric Blue */
    --color-gray-light: #F5F5F5;
    --color-gray-border: #E0E0E0;

    --font-main: 'Inter', 'Noto Sans JP', sans-serif;

    --container-width: 1200px;
    --header-height: 80px;

    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    /* Offset for sticky header if needed, or just visual breathing room */
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
#header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    height: var(--header-height);
    display: flex;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-border);
}

.header-inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 900;
    font-size: 2.4rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1;
}

.logo:hover {
    opacity: 0.7;
    text-decoration: none;
}

/* Logo img styles removed */

.nav-list {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-list a {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
    text-align: center;
}

.nav-list a .en {
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.nav-list a .jp {
    font-size: 0.65rem;
    font-weight: 500;
    margin-top: 2px;
    opacity: 0.8;
}

.nav-highlight {
    position: relative;
}

.nav-highlight::after {
    content: '';
    position: absolute;
    bottom: -8px;
    /* Adjusted for taller item */
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #333333;
}

.mobile-menu-btn {
    display: none;
}

/* Hero Section */
.hero {
    height: calc(100vh - var(--header-height));
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-top: 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg);
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center 107%;
    /* Push beyond bottom */
}

/* Overlay to ensure text readability if image is busy */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    /* Light overlay to keep "White" theme */
    z-index: 1;
}

.hero-content {
    z-index: 2;
    max-width: 800px;
    padding: 0 var(--spacing-md);
    animation: fadeInUp 1s ease-out forwards;
}

.hero-company-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.hero-slogan {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 43px;
    letter-spacing: 0.05em;
}

.hero-bg-decoration {
    display: none;
    /* Hide the SVG decoration as we have an image now */
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-weight: 700;
    border-radius: 0;
    /* Sharp edges for cool look, or slight radius */
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 2px solid var(--color-text);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-accent);
    opacity: 1;
}

.btn-large {
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
}

.btn-service-list {
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 2px solid var(--color-text);
    font-size: 0.8rem;
    padding: 1rem 2.5rem;
}

.btn-service-list:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-text);
    opacity: 1;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    letter-spacing: 0.1em;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.card {
    border: 2px solid var(--color-text);
    padding: 32px var(--spacing-md) var(--spacing-md) var(--spacing-md);
    background-color: var(--color-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    /* Ensure card fills the anchor wrapper */
}

/* Removed direct .card:hover since wrapper handles it now, or keep for fallback */
/* .card:hover { transform... } - managed by .card-link:hover .card above */

.card-icon {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    display: flex;
    justify-content: center;
}

.icon-value {
    width: 170px;
    height: 170px;
    background-size: cover;
    /* Fill */
    background-repeat: no-repeat;
    background-position: center;
    display: block;
    margin: 0 auto;
}

.icon-value-community {
    background-image: url('assets/icon-community.png');
}

.icon-value-digital {
    background-image: url('assets/icon-digital.png');
    /* Removed 85% scale */
}

.icon-value-ai {
    background-image: url('assets/icon-ai.png');
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.card-sub {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.8;
}

.card-quote {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
    line-height: 1.5;
}

.card p {
    line-height: 1.8;
    margin-bottom: 0;
}

.card-footer-text {
    font-size: 0.8rem;
    color: #999;
    margin-top: 1.5rem;
    margin-top: 1.5rem;
    line-height: 1.5;
    border-top: 1px solid var(--color-gray-border);
    padding-top: 1rem;
}

/* Service Section New Styles */
.service-icon {
    width: 100px;
    height: auto;
    display: block;
    margin: 0 auto 1.5rem auto;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
    /* For full card clickable area if grid items stretch */
}

/* Ensure hover effect applies to the card when link is hovered */
.card-link:hover .card {
    transform: translateY(-5px);
    box-shadow: 10px 10px 0px rgba(0, 0, 0, 0.1);
}

.service-intro {
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
}

.service-item {
    margin-bottom: 80px;
    border-bottom: 1px solid var(--color-gray-border);
    padding-bottom: 60px;
}

.service-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.service-header {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.service-sub {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
    opacity: 0.9;
}

.service-desc {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.service-list {
    list-style: disc;
    padding-left: 20px;
    margin-left: 1rem;
}

.service-list li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Company Section Styles */
.profile-container {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    margin-bottom: 100px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.profile-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 240px;
    flex-shrink: 0;
}

.profile-img {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    object-fit: cover;
    /* flex-shrink: 0; Removed as parent handles it now */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.profile-book {
    width: 140px;
    height: auto;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.profile-book:hover {
    transform: scale(1.05);
}

.profile-text {
    flex: 1;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.profile-role {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1.5rem;
    display: block;
}

.profile-catch {
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.profile-desc {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.company-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 100px auto;
    border-collapse: collapse;
}

.company-table th,
.company-table td {
    padding: 24px 20px;
    border-bottom: 1px solid #E5E5E5;
    text-align: left;
    font-size: 1rem;
}

.company-table th {
    width: 30%;
    font-weight: 700;
    color: var(--color-text);
}

.contact-container {
    text-align: center;
    margin-bottom: 40px;
}

.btn-contact {
    background-color: #000;
    color: white;
    padding: 1.2rem 0;
    width: 320px;
    /* PC Width */
    max-width: 100%;
    border-radius: 10px;
    /* Rounded 8-12px */
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    border: none;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-contact:hover {
    transform: translateY(-3px);
    background-color: #222;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    opacity: 1;
}

/* Footer */
.footer {
    background-color: #fff;
    padding: 40px 0;
    text-align: center;
    color: #555;
    font-size: 12px;
}

.footer-link {
    color: #555;
    text-decoration: none;
    display: block;
    margin-top: 10px;
}

.footer-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 32px;
    }

    .profile-text {
        text-align: left;
    }

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 12px 10px;
    }

    .company-table th {
        border-bottom: none;
        padding-bottom: 4px;
        color: #666;
        font-size: 0.9rem;
    }
}

/* LP Induction */
.lp-induction {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.lp-induction h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.lp-induction .btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-accent);
}

.lp-induction .btn-primary:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-bg);
}

/* Company Section */
.company-container {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.company-image {
    flex: 1;
}

.img-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    border: 1px solid var(--color-gray-border);
}

.company-info {
    flex: 1;
}

.message-text {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.company-profile dt {
    font-weight: 700;
    margin-top: var(--spacing-sm);
    float: left;
    clear: left;
    width: 100px;
}

.company-profile dd {
    margin-top: var(--spacing-sm);
    margin-left: 100px;
}

/* Footer */
footer {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --header-height: 60px;
    }

    .hero-slogan {
        font-size: 2.5rem;
    }

    .company-container {
        flex-direction: column;
    }

    .nav-list {
        display: none;
        /* Implement mobile menu later */
    }

    .mobile-menu-btn {
        display: block;
        width: 30px;
        height: 20px;
        position: relative;
        background: none;
        border: none;
        cursor: pointer;
    }

    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--color-text);
        position: absolute;
        left: 0;
    }

    .mobile-menu-btn span:nth-child(1) {
        top: 0;
    }

    .mobile-menu-btn span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .mobile-menu-btn span:nth-child(3) {
        bottom: 0;
    }
}