:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-text-mutated: #666666;
    --color-primary: #609eff;
    --color-primary-dark: #4080e0;
    --color-primary-light: #e6f0ff;
    --color-border: #eaeaea;
    --shadow-sm:
        0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md:
        0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg:
        0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-primary: 0 10px 25px -5px rgba(96, 158, 255, 0.4);
    --radius-md: 0px;
    --radius-lg: 0px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-sans: "Inter", "Noto Sans JP", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Decorators */
.bg-blur {
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
    position: absolute;
    z-index: -1;
}

.bg-blur-1 {
    background: var(--color-primary);
    height: 500px;
    right: -100px;
    top: -100px;
    width: 500px;
}

.bg-blur-2 {
    background: #80bfff;
    height: 600px;
    left: -150px;
    top: 50%;
    width: 600px;
}

.container {
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 24px;
    width: 100%;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.3;
}

.sr-only {
    border: 0;
    clip: rect(0, 0, 0, 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

/* Header */
.header {
    background: transparent;
    left: 0;
    padding: 24px 0;
    position: fixed;
    top: 0;
    transition: var(--transition);
    width: 100%;
    z-index: 1000;
}

.header.scrolled {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    padding: 16px 0;
}

.header-container {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.logo {
    color: var(--color-text);
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    max-width: 250px;
}

.logo img {
    height: auto;
    width: 100%;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--color-text);
    font-family: "Abel", sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    position: relative;
    text-decoration: none;
    transition: var(--transition);
}

.nav a::after {
    background: #000;
    bottom: -4px;
    content: "";
    height: 1px;
    left: 0;
    position: absolute;
    transition: var(--transition);
    width: 0%;
}

.nav a:hover {
    color: #000;
}

.nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
}

.hero-container {
    position: relative;
    z-index: 10;
}

.hero-title {
    color: var(--color-text);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.1em;
    line-height: 1.5;
    margin-bottom: 24px;
}

.hero-scroll {
    align-items: center;
    bottom: -160px;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    font-family: "Abel", sans-serif;
    font-size: 12px;
    font-weight: 600;
    gap: 16px;
    left: 50%;
    letter-spacing: 0.2em;
    position: absolute;
    transform: translateX(-50%);
}

.scroll-icon {
    fill: none;
    stroke: #333;
    stroke-width: 1.5;
    width: 40px;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(10px);
    }

    60% {
        transform: translateY(5px);
    }
}

/* Base Section */
.section {
    background: var(--color-bg);
    padding: 120px 0;
    position: relative;
}

.heading {
    margin-bottom: 80px;
    text-align: center;
}

@media (max-width: 736px) {
    .heading {
        margin-bottom: 40px;
    }
}

.heading h2 {
    color: var(--color-text);
    font-family: "Inter", sans-serif;
    font-size: 40px;
    font-weight: 400;
    letter-spacing: 0.2em;
    line-height: 1;
    margin-bottom: 10px;
}

.heading p {
    color: var(--color-text-mutated);
    font-size: 12px;
    letter-spacing: 0.3em;
}

.subHeading {
    font-family: "Inter", sans-serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.2em;
}

/* Concept Section */
#concept {
    background: #fff;
}

.concept-content {
    margin: 0 auto;
    max-width: 800px;
    padding: 0;
}

.concept-content .heading {
    text-align: center;
}

.concept-catch {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1.6;
    margin-bottom: 40px;
    text-align: center;
}

.concept-text {
    color: var(--color-text);
    font-size: 15px;
    line-height: 2;
    text-align: center;
}

/* Company Section */
.company-container {
    margin: 0 auto;
    max-width: 800px;
}

.company-info {
    background: white;
    border: none;
    padding: 0;
}

.company-dl {
    border-top: 1px solid #ddd;
    display: grid;
    gap: 0;
    grid-template-columns: 160px 1fr;
}

.company-dl dt {
    border-bottom: 1px solid #ddd;
    color: #333;
    font-weight: 700;
    padding: 24px 0;
}

.company-dl dd {
    border-bottom: 1px solid #ddd;
    color: #464646;
    font-size: 15px;
    padding: 24px 0;
}

.en-name {
    color: var(--color-text-mutated);
    font-size: 0.9rem;
}

/* Services Section */
.services-table-wrapper {
    background-color: white;
    margin-top: 0;
    width: 100%;
}

.services-table {
    border: none;
    border-collapse: collapse;
    border-top: 1px solid #ddd;
    width: 100%;
}

.services-table th,
.services-table td {
    border-bottom: 1px solid #ddd;
    padding: 32px 24px;
    vertical-align: top;
}

.services-table th {
    background-color: transparent;
    border-right: none;
    color: #333;
    font-size: 16px;
    font-weight: 700;
    text-align: left;
    width: 30%;
}

.services-table td {
    color: #464646;
    font-size: 15px;
    line-height: 2;
}

/* Banners Section */
.banners {
    background: transparent;
}

.banners-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.banner-link {
    aspect-ratio: 10 / 3.224489796;
    border: 1px solid var(--color-border);
    color: inherit;
    display: block;
    overflow: hidden;
    text-decoration: none;
}

.banner-img {
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    width: 100%;
}

.banner-link:hover .banner-img {
    transform: scale(1.05);
}

/* Footer */
.footer {
    /* background: #111;
    color: white; */
    padding: 64px 0 32px;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 24px;
}

.copyright {
    /* color: var(--color-text-mutated); */
    font-size: 0.875rem;
}

/* Animations */
.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity 1s cubic-bezier(0.25, 0.8, 0.25, 1),
        transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.8s cubic-bezier(0.25, 0.8, 0.25, 1),
        transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .concept-catch {
        font-size: 1.4rem;
        margin-bottom: 24px;
    }

    .company-dl {
        border-top: none;
        grid-template-columns: 1fr;
    }

    .company-dl dt {
        border-bottom: none;
        border-top: 1px solid #ddd;
        padding: 24px 0 8px;
    }

    .company-dl dd {
        border-bottom: none;
        padding: 0 0 24px;
    }

    .nav {
        display: none;
    }

    .services-table th,
    .services-table td {
        display: block;
        width: 100%;
    }

    .services-table th {
        padding-bottom: 8px;
        padding-top: 24px;
    }

    .services-table td {
        padding-bottom: 24px;
        padding-left: 0;
        padding-right: 0;
        padding-top: 8px;
    }
}