/* =============================================
   NISOE Corporate Site - Main Stylesheet
   ============================================= */

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.loading-logo-img {
    width: 200px;
    height: auto;
    animation: pulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(26, 54, 93, 0.3));
}

.loading-bar {
    width: 200px;
    height: 3px;
    background: rgba(26, 54, 93, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto 1rem;
}

.loading-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #ed8936, #f6ad55);
    border-radius: 3px;
    animation: loading 1.5s ease-in-out infinite;
}

.loading-text {
    font-size: 0.75rem;
    color: rgba(26, 54, 93, 0.6);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes loading {
    0% { width: 0%; transform: translateX(0); }
    50% { width: 100%; transform: translateX(0); }
    100% { width: 100%; transform: translateX(100%); }
}

/* CSS Variables */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #1a202c;
    --color-accent: #ed8936;
    --color-accent-light: #f6ad55;
    --color-accent-dark: #dd6b20;
    --color-white: #ffffff;
    --color-gray-50: #f7fafc;
    --color-gray-100: #edf2f7;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e0;
    --color-gray-400: #a0aec0;
    --color-gray-500: #718096;
    --color-gray-600: #4a5568;
    --color-gray-700: #2d3748;
    --color-gray-800: #1a202c;
    --gradient-primary: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    --gradient-accent: linear-gradient(135deg, #ed8936 0%, #f6ad55 100%);
    --gradient-hero: linear-gradient(180deg, rgba(26, 54, 93, 0.95) 0%, rgba(26, 32, 44, 0.98) 100%);
    --gradient-dark: linear-gradient(180deg, #1a202c 0%, #2d3748 100%);
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(237, 137, 54, 0.3);
    --container-max: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-size: 1rem; line-height: 1.6; color: var(--color-gray-700); background-color: var(--color-white); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--color-accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--color-gray-800); }
h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

/* Container */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* Utility Classes */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 1rem 0; transition: all 0.3s; }
.header--scrolled { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); padding: 0.75rem 0; box-shadow: var(--shadow-lg); }
.header__container { display: flex; align-items: center; justify-content: space-between; }
.header__logo { display: flex; align-items: center; gap: 0.75rem; }
.header__logo-img { height: 50px; width: auto; }
.header--scrolled .header__logo-img { height: 42px; }
.header__logo:hover { opacity: 0.9; }
.header__logo-text { font-size: 1rem; font-weight: 600; color: var(--color-white); letter-spacing: 0.05em; }
.header--scrolled .header__logo-text { color: var(--color-primary); }
.nav__list { display: flex; align-items: center; gap: 2rem; }
.nav__link { color: var(--color-white); font-weight: 500; padding: 0.5rem 0; position: relative; }
.header--scrolled .nav__link { color: var(--color-gray-700); }
.nav__link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width 0.3s; }
.nav__link:hover::after, .nav__link--active::after { width: 100%; }
.nav__link:hover { color: var(--color-accent); }
.nav__link--cta { background: var(--gradient-accent); padding: 0.5rem 1.25rem; border-radius: 0.5rem; color: var(--color-white) !important; }
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { color: var(--color-white) !important; transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.header__menu-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.menu-icon {
        width: 24px;
        height: 2px;
        background: var(--color-white);
        position: relative;
    }

    .menu-icon::before,
    .menu-icon::after {
        content: '';
        position: absolute;
        width: 24px;
        height: 2px;
        background: var(--color-white);
    }

    .menu-icon::before {
        top: -8px;
    }

    .menu-icon::after {
        bottom: -8px;
    }

    /* =============================================
   Buttons
   ============================================= */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
        font-weight: 500;
        border-radius: 0.5rem;
        transition: all 0.3s;
        white-space: nowrap;
    }

    .btn--primary {
        background: var(--gradient-accent);
        color: var(--color-white);
        box-shadow: var(--shadow-md);
    }

    .btn--primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg), var(--shadow-glow);
        color: var(--color-white);
    }

    .btn--secondary {
        background: transparent;
        color: var(--color-white);
        border: 2px solid var(--color-white);
    }

    .btn--secondary:hover {
        background: var(--color-white);
        color: var(--color-primary);
    }

    .btn--white {
        background: var(--color-white);
        color: var(--color-accent-dark);
    }

    .btn--white:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-xl);
        color: var(--color-accent-dark);
    }

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

    .btn--outline:hover {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .btn--outline-white {
        background: transparent;
        color: var(--color-white);
        border: 2px solid var(--color-white);
    }

    .btn--outline-white:hover {
        background: var(--color-white);
        color: var(--color-accent-dark);
    }

    .btn--lg {
        padding: 1rem 2rem;
        font-size: 1.125rem;
    }

    /* =============================================
   Badge
   ============================================= */
    .badge {
        display: inline-block;
        padding: 0.25rem 0.75rem;
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        border-radius: 9999px;
        background: var(--color-accent);
        color: var(--color-white);
    }

    .divider {
        width: 60px;
        height: 4px;
        background: var(--gradient-accent);
        border-radius: 9999px;
        margin: 1.5rem auto;
    }

    /* =============================================
   Hero Section
   ============================================= */
    .hero {
        position: relative;
        min-height: 100vh;
        display: flex;
        align-items: center;
        background: var(--gradient-hero);
        overflow: hidden;
    }

    .hero__canvas {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
    }

    .hero__overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle at 30% 50%, transparent 0%, rgba(26, 32, 44, 0.6) 100%);
        z-index: 2;
    }

    .hero__content {
        position: relative;
        z-index: 3;
        padding-top: 6rem;
    }

    .hero__text {
        max-width: 700px;
    }

    .hero__title {
        font-size: 3.75rem;
        color: var(--color-white);
        margin: 1.5rem 0;
        line-height: 1.2;
    }

    .hero__subtitle {
        font-size: 1.125rem;
        color: var(--color-gray-300);
        margin-bottom: 2rem;
        line-height: 1.8;
    }

    .hero__buttons {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .hero__scroll {
        position: absolute;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%);
        z-index: 3;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        color: var(--color-gray-400);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
    }

    .hero__scroll-line {
        width: 1px;
        height: 40px;
        background: linear-gradient(to bottom, var(--color-accent), transparent);
        animation: scrollLine 1.5s ease-in-out infinite;
    }

    @keyframes scrollLine {

        0%,
        100% {
            opacity: 1;
            transform: scaleY(1);
        }

        50% {
            opacity: 0.5;
            transform: scaleY(0.5);
        }
    }

    /* =============================================
   Page Hero
   ============================================= */
    .page-hero {
        background: var(--gradient-hero);
        padding: 8rem 0 6rem;
        text-align: center;
    }

    .page-hero__title {
        font-size: 3rem;
        color: var(--color-white);
        margin: 1rem 0;
    }

    .page-hero__subtitle {
        font-size: 1.125rem;
        color: var(--color-gray-300);
        margin: 0;
    }

    /* =============================================
   Sections
   ============================================= */
    .section {
        padding: 6rem 0;
    }

    .section--dark {
        background: var(--gradient-dark);
        color: var(--color-white);
    }

    .section--dark h1,
    .section--dark h2,
    .section--dark h3 {
        color: var(--color-white);
    }

    .section--gray {
        background-color: var(--color-gray-50);
    }

    .section-header {
        text-align: center;
        margin-bottom: 4rem;
    }

    .section-header h2 {
        margin-bottom: 1rem;
    }

    .section-header p {
        font-size: 1.125rem;
        color: var(--color-gray-500);
        max-width: 600px;
        margin: 0 auto;
    }

    /* =============================================
   Grid
   ============================================= */
    .grid {
        display: grid;
        gap: 2rem;
    }

    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    /* =============================================
   Cards
   ============================================= */
    .card {
        background: var(--color-white);
        border-radius: 1rem;
        box-shadow: var(--shadow-md);
        padding: 2rem;
        transition: all 0.3s;
    }

    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }

    .card__icon {
        width: 80px;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-gray-50);
        border-radius: 1rem;
        margin-bottom: 1.5rem;
        overflow: hidden;
    }

    .card__icon-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .card__title {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }

    .card__text {
        color: var(--color-gray-500);
        margin: 0;
        line-height: 1.8;
    }

    /* =============================================
   About Preview (Home)
   ============================================= */
    .about-preview {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

    .about-preview__content h2 {
        margin: 1rem 0;
    }

    .about-preview__text {
        font-size: 1.125rem;
        color: var(--color-gray-600);
        line-height: 1.8;
        margin-bottom: 1rem;
    }

    /* =============================================
   Services Grid (Home)
   ============================================= */
    .services-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .service-item {
        padding: 2rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 1rem;
        background: rgba(255, 255, 255, 0.03);
        transition: all 0.3s;
    }

    .service-item:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--color-accent);
        transform: translateY(-5px);
    }

    .service-item__icon {
        width: 60px;
        height: 60px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 0.75rem;
        overflow: hidden;
        margin-bottom: 1rem;
    }

    .service-item__icon-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .service-number {
        font-size: 2.25rem;
        font-weight: 700;
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .service-title {
        font-size: 1.25rem;
        color: var(--color-white);
        margin: 1rem 0;
    }

    .service-desc {
        color: var(--color-gray-400);
        margin: 0;
        line-height: 1.8;
    }

    /* =============================================
   Reasons Grid (Home)
   ============================================= */
    .reasons-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .reason-item {
        padding: 2rem;
        background: var(--color-white);
        border-radius: 1rem;
        box-shadow: var(--shadow-md);
        transition: all 0.3s;
    }

    .reason-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-xl);
    }

    .reason-number {
        font-size: 2rem;
        font-weight: 700;
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 0.5rem;
    }

    .reason-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .reason-text {
        color: var(--color-gray-500);
        margin: 0;
        line-height: 1.8;
    }

    /* =============================================
   CTA Section
   ============================================= */
    .cta-section {
        background: var(--gradient-accent);
    }

    .cta-content {
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
    }

    .cta-content h2 {
        color: var(--color-white);
        margin-bottom: 1rem;
    }

    .cta-content p {
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 2rem;
        line-height: 1.8;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    /* =============================================
   About Page
   ============================================= */
    .about-intro {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
    }

    .about-intro__content h2 {
        margin: 1rem 0;
    }

    .about-intro__text {
        font-size: 1.125rem;
        color: var(--color-gray-600);
        line-height: 1.8;
        margin-bottom: 1rem;
    }

    .about-visual-box {
        position: relative;
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }

    .visual-shape {
        position: absolute;
        border-radius: 1rem;
        animation: float 3s ease-in-out infinite;
    }

    .visual-shape--1 {
        width: 200px;
        height: 200px;
        background: var(--gradient-primary);
        top: 0;
        left: 0;
    }

    .visual-shape--2 {
        width: 150px;
        height: 150px;
        background: var(--gradient-accent);
        bottom: 0;
        right: 0;
        animation-delay: 0.5s;
    }

    .visual-shape--3 {
        width: 100px;
        height: 100px;
        background: var(--color-gray-100);
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        animation: floatCenter 3s ease-in-out infinite 1s;
    }

    @keyframes float {

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

        50% {
            transform: translateY(-10px);
        }
    }

    @keyframes floatCenter {

        0%,
        100% {
            transform: translate(-50%, -50%);
        }

        50% {
            transform: translate(-50%, calc(-50% - 10px));
        }
    }

    /* Values */
    .values-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .value-card {
        text-align: center;
        padding: 2.5rem;
        background: var(--color-white);
        border-radius: 1rem;
        box-shadow: var(--shadow-md);
        transition: all 0.3s;
    }

    .value-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-xl);
    }

    .value-card__icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 1.5rem;
        background: var(--color-gray-50);
        border-radius: 1rem;
        overflow: hidden;
    }

    .value-card__icon-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .value-card__number {
        font-size: 2.25rem;
        font-weight: 700;
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .value-card__title {
        font-size: 1.25rem;
        margin: 1rem 0;
    }

    .value-card__text {
        color: var(--color-gray-500);
        margin: 0;
        line-height: 1.8;
    }

    /* Company Info Table */
    .company-info {
        max-width: 800px;
        margin: 0 auto;
    }

    .info-table {
        width: 100%;
        border-collapse: collapse;
    }

    .info-table th,
    .info-table td {
        padding: 1.25rem 1.5rem;
        text-align: left;
        border-bottom: 1px solid var(--color-gray-200);
        vertical-align: top;
    }

    .info-table th {
        width: 150px;
        font-weight: 600;
        color: var(--color-gray-700);
        background: var(--color-gray-50);
    }

    .info-table td {
        color: var(--color-gray-600);
    }

    .business-list {
        padding-left: 1rem;
    }

    .business-list li {
        position: relative;
        padding-left: 1rem;
        margin-bottom: 0.5rem;
    }

    .business-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 10px;
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
    }

    /* =============================================
   Services Page
   ============================================= */
    .service-detail {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: center;
        padding: 3rem 0;
    }

    .service-detail--reverse {
        direction: rtl;
    }

    .service-detail--reverse>* {
        direction: ltr;
    }

    .service-detail__number {
        font-size: 3rem;
        font-weight: 700;
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1;
    }

    .service-detail__title {
        font-size: 1.875rem;
        margin: 1rem 0;
    }

    .service-detail__desc {
        font-size: 1.125rem;
        color: var(--color-gray-600);
        line-height: 1.8;
        margin-bottom: 1.5rem;
    }

    .service-detail__list {
        padding-left: 1rem;
    }

    .service-detail__list li {
        position: relative;
        padding-left: 1.5rem;
        margin-bottom: 0.75rem;
        color: var(--color-gray-600);
    }

    .service-detail__list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 8px;
        width: 8px;
        height: 8px;
        background: var(--color-accent);
        border-radius: 50%;
    }

    .service-icon-box {
        width: 200px;
        height: 200px;
        margin: 0 auto;
        background: var(--color-gray-50);
        border-radius: 1.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        animation: float 3s ease-in-out infinite;
    }

    .service-icon-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .service-divider {
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
        margin: 1rem 0;
    }

    /* Process Steps */
    .process-steps {
        display: flex;
        align-items: flex-start;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .process-step {
        text-align: center;
        max-width: 200px;
    }

    .process-step__number {
        width: 60px;
        height: 60px;
        margin: 0 auto 1rem;
        background: var(--gradient-accent);
        color: var(--color-white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        font-weight: 700;
    }

    .process-step__title {
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }

    .process-step__text {
        font-size: 0.875rem;
        color: var(--color-gray-500);
        margin: 0;
    }

    .process-arrow {
        font-size: 1.5rem;
        color: var(--color-accent);
        padding-top: 1rem;
    }

    /* =============================================
   Contact Page
   ============================================= */
    .contact-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 4rem;
        align-items: flex-start;
    }

    .contact-form-wrapper h2 {
        margin-bottom: 0.5rem;
    }

    .contact-form__intro {
        color: var(--color-gray-500);
        margin-bottom: 2rem;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .form-label {
        display: block;
        font-weight: 500;
        margin-bottom: 0.5rem;
        color: var(--color-gray-700);
    }

    .required {
        color: var(--color-accent);
    }

    .form-input,
    .form-textarea {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        font-family: inherit;
        border: 2px solid var(--color-gray-200);
        border-radius: 0.5rem;
        background: var(--color-white);
        transition: all 0.2s;
    }

    .form-input:focus,
    .form-textarea:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(237, 137, 54, 0.2);
    }

    .form-textarea {
        min-height: 150px;
        resize: vertical;
    }

    .checkbox-group {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .checkbox-label {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        cursor: pointer;
        font-size: 0.875rem;
    }

    .checkbox-label input {
        width: 18px;
        height: 18px;
        accent-color: var(--color-accent);
    }

    .contact-submit {
        width: 100%;
        margin-top: 1rem;
    }

    .contact-info__card {
        background: var(--gradient-primary);
        color: var(--color-white);
        padding: 2.5rem;
        border-radius: 1.5rem;
        position: sticky;
        top: 120px;
    }

    .contact-info__card h3 {
        color: var(--color-white);
        margin-bottom: 2rem;
        font-size: 1.25rem;
    }

    .contact-info__item {
        display: flex;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    .contact-info__item:last-child {
        margin-bottom: 0;
    }

    .contact-info__icon {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
    }

    .contact-info__content h4 {
        color: var(--color-accent);
        font-size: 0.875rem;
        font-weight: 500;
        margin-bottom: 0.25rem;
    }

    .contact-info__content p {
        margin: 0;
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .contact-info__content a {
        color: var(--color-white);
    }

    .contact-info__content a:hover {
        color: var(--color-accent);
    }

    /* =============================================
   Footer
   ============================================= */
    .footer {
        background: var(--gradient-dark);
        color: var(--color-gray-300);
        padding: 4rem 0 2rem;
    }

    .footer__content {
        display: grid;
        grid-template-columns: 2fr 1fr 1.5fr;
        gap: 3rem;
        margin-bottom: 3rem;
    }

    .footer__logo {
        display: flex;
        flex-direction: column;
        line-height: 1.1;
        margin-bottom: 1rem;
    }

    .footer__logo .logo-text {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: 0.1em;
    }

    .footer__logo .logo-sub {
        font-size: 0.75rem;
        color: var(--color-accent);
        letter-spacing: 0.15em;
    }

    .footer__tagline {
        font-size: 0.875rem;
        line-height: 1.8;
    }

    .footer__nav-title {
        color: var(--color-white);
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .footer__nav-list {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .footer__nav-list a {
        color: var(--color-gray-400);
        font-size: 0.875rem;
    }

    .footer__nav-list a:hover {
        color: var(--color-accent);
    }

    .footer__address {
        font-style: normal;
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .footer__address p {
        display: flex;
        align-items: flex-start;
        gap: 0.75rem;
        font-size: 0.875rem;
        line-height: 1.6;
        margin: 0;
    }

    .footer__icon {
        flex-shrink: 0;
    }

    .footer__icon-svg {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .footer__icon-svg svg {
        width: 16px;
        height: 16px;
        color: var(--color-accent);
    }

    .footer__address a {
        color: var(--color-gray-300);
    }

    .footer__address a:hover {
        color: var(--color-accent);
    }

    .footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 1.5rem;
        text-align: center;
    }

    .footer__copyright {
        font-size: 0.875rem;
        color: var(--color-gray-500);
        margin: 0;
    }

    /* =============================================
   Animations
   ============================================= */
    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

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

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

    .animate-fade-in {
        animation: fadeIn 0.6s ease forwards;
    }

    .animate-fade-in-up {
        animation: fadeInUp 0.6s ease forwards;
    }

    .delay-1 {
        animation-delay: 0.2s;
    }

    .delay-2 {
        animation-delay: 0.4s;
    }

    .delay-3 {
        animation-delay: 0.6s;
    }

    .delay-4 {
        animation-delay: 0.8s;
    }

    .scroll-animate {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* =============================================
   Responsive
   ============================================= */
    @media (max-width: 1024px) {
        .grid--3 {
            grid-template-columns: repeat(2, 1fr);
        }

        .values-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .checkbox-group {
            grid-template-columns: repeat(2, 1fr);
        }

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

    @media (max-width: 768px) {
        h1 {
            font-size: 2.25rem;
        }

        h2 {
            font-size: 1.75rem;
        }

        .section {
            padding: 4rem 0;
        }

        .header__menu-btn {
            display: flex;
        }

        .header__nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: var(--gradient-primary);
            padding: 6rem 2rem;
            transition: right 0.3s;
        }

        .header__nav.active {
            right: 0;
        }

        .nav__list {
            flex-direction: column;
            align-items: flex-start;
            gap: 1.5rem;
        }

        .nav__link {
            font-size: 1.25rem;
        }

        .hero__title {
            font-size: 2.5rem;
        }

        .hero__buttons {
            flex-direction: column;
        }

        .page-hero {
            padding: 6rem 0 4rem;
        }

        .page-hero__title {
            font-size: 2.25rem;
        }

        .grid--3,
        .values-grid {
            grid-template-columns: 1fr;
        }

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

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

        .about-intro,
        .about-preview {
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .about-visual-box {
            width: 200px;
            height: 200px;
        }

        .visual-shape--1 {
            width: 140px;
            height: 140px;
        }

        .visual-shape--2 {
            width: 100px;
            height: 100px;
        }

        .visual-shape--3 {
            width: 70px;
            height: 70px;
        }

        .service-detail {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .service-detail--reverse {
            direction: ltr;
        }

        .service-detail__visual {
            order: -1;
        }

        .service-icon-box {
            width: 150px;
            height: 150px;
        }

        .process-steps {
            flex-direction: column;
            align-items: center;
        }

        .process-arrow {
            transform: rotate(90deg);
            padding: 0.5rem 0;
        }

        .contact-grid {
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .form-row {
            grid-template-columns: 1fr;
        }

        .checkbox-group {
            grid-template-columns: 1fr;
        }

        .contact-info__card {
            position: static;
        }

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

        .info-table th {
            border-bottom: none;
            padding-bottom: 0.5rem;
        }

        .info-table td {
            padding-top: 0;
        }

        .footer__content {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .cta-buttons {
            flex-direction: column;
        }
    }

    /* Logo Image Styles */
    .header__logo-img {
        height: 50px;
        width: auto;
    }

    /* =============================================
   Responsive
   ============================================= */
    @media (max-width: 1024px) {
        .grid--3 {
            grid-template-columns: repeat(2, 1fr);
        }

        .values-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .checkbox-group {
            grid-template-columns: repeat(2, 1fr);
        }

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

    @media (max-width: 768px) {
        h1 {
            font-size: 2.25rem;
        }

        h2 {
            font-size: 1.75rem;
        }

        .section {
            padding: 4rem 0;
        }

        .header__menu-btn {
            display: flex;
        }

        .header__nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: var(--gradient-primary);
            padding: 6rem 2rem;
            transition: right 0.3s;
        }

        .header__nav.active {
            right: 0;
        }

        .nav__list {
            flex-direction: column;
            align-items: flex-start;
            gap: 1.5rem;
        }

        .nav__link {
            font-size: 1.25rem;
        }

        .hero__title {
            font-size: 2.5rem;
        }

        .hero__buttons {
            flex-direction: column;
        }

        .page-hero {
            padding: 6rem 0 4rem;
        }

        .page-hero__title {
            font-size: 2.25rem;
        }

        .grid--3,
        .values-grid {
            grid-template-columns: 1fr;
        }

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

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

        .about-intro,
        .about-preview {
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .about-visual-box {
            width: 200px;
            height: 200px;
        }

        .visual-shape--1 {
            width: 140px;
            height: 140px;
        }

        .visual-shape--2 {
            width: 100px;
            height: 100px;
        }

        .visual-shape--3 {
            width: 70px;
            height: 70px;
        }

        .service-detail {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .service-detail--reverse {
            direction: ltr;
        }

        .service-detail__visual {
            order: -1;
        }

        .service-icon-box {
            width: 150px;
            height: 150px;
        }

        .process-steps {
            flex-direction: column;
            align-items: center;
        }

        .process-arrow {
            transform: rotate(90deg);
            padding: 0.5rem 0;
        }

        .contact-grid {
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .form-row {
            grid-template-columns: 1fr;
        }

        .checkbox-group {
            grid-template-columns: 1fr;
        }

        .contact-info__card {
            position: static;
        }

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

        .info-table th {
            border-bottom: none;
            padding-bottom: 0.5rem;
        }

        .info-table td {
            padding-top: 0;
        }

        .footer__content {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .cta-buttons {
            flex-direction: column;
        }
    }

    /* Logo Image Styles */
    .header__logo-img {
        height: 50px;
        width: auto;
        transition: transform 0.3s ease, height 0.3s ease;
    }

    .header--scrolled .header__logo-img {
        height: 42px;
    }

    .header__logo:hover .header__logo-img {
        transform: scale(1.02);
    }

    .header__logo-text {
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-white);
        letter-spacing: 0.05em;
    }

    .footer__logo-img {
        height: 50px;
        width: auto;
    }

    .footer__logo {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 1rem;
    }

    .footer__logo-text {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: 0.05em;
    }

/* CTA Section */
.cta-content h2 {
    white-space: nowrap;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
}

/* Section Header Badge */
.badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-header h2 {
    margin-top: 0.5rem;
}

/* =============================================
   日本語読みやすさ最適化
   ============================================= */

/* 本文の行間と文字間隔を広げる */
body {
    line-height: 2;
    letter-spacing: 0.05em;
}

/* 段落のスペースを広げる */
p {
    line-height: 2;
    margin-bottom: 1.5rem;
    letter-spacing: 0.03em;
}

/* セクション内のテキスト */
.section p {
    font-size: 1rem;
    line-height: 2.2;
    color: var(--color-gray-600);
}

/* リストアイテムの間隔 */
li {
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

/* 見出しの余白 */
h1, h2, h3 {
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

h2 {
    margin-top: 0.75rem;
}

/* カード内のテキスト読みやすさ */
.card p, .service-card p, .value-card p {
    line-height: 1.9;
    font-size: 0.95rem;
}

/* テーブルの行間 */
table td, table th {
    line-height: 1.8;
    padding: 1rem 1.5rem;
}

/* フォーム要素の読みやすさ */
.form-group label {
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

input, textarea, select {
    line-height: 1.6;
    letter-spacing: 0.02em;
}

/* ヒーローセクションのテキスト */
.hero p, .page-hero p {
    line-height: 2;
    font-size: 1.1rem;
}

/* フッターのテキスト */
.footer p {
    line-height: 1.9;
}

/* =============================================
   レスポンシブ - 日本語読みやすさ最適化
   ============================================= */

@media (max-width: 768px) {
    /* モバイルでの基本設定 */
    body {
        font-size: 15px;
        line-height: 1.9;
    }

    /* 見出しサイズ調整 */
    h1 { font-size: 1.75rem; line-height: 1.4; }
    h2 { font-size: 1.5rem; line-height: 1.4; }
    h3 { font-size: 1.25rem; line-height: 1.5; }

    /* 段落の余白 */
    p {
        font-size: 0.95rem;
        line-height: 1.9;
        margin-bottom: 1.25rem;
    }

    /* セクション内のテキスト */
    .section p {
        font-size: 0.95rem;
        line-height: 2;
    }

    /* カード内テキスト */
    .card p, .service-card p, .value-card p {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    /* ヒーローセクション */
    .hero p, .page-hero p {
        font-size: 1rem;
        line-height: 1.9;
    }

    /* テーブル */
    table td, table th {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    /* バッジ */
    .badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }

    /* CTAセクション見出し */
    .cta-content h2 {
        white-space: normal;
        font-size: 1.25rem;
        line-height: 1.5;
    }

    /* フォーム */
    .form-group label {
        font-size: 0.9rem;
    }
    
    input, textarea, select {
        font-size: 16px; /* iOSでズーム防止 */
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.35rem; }
    h3 { font-size: 1.1rem; }

    p {
        font-size: 0.9rem;
        line-height: 1.85;
    }

    .cta-content h2 {
        font-size: 1.1rem;
    }
}

/* Contact Info Card - 色統一 */
.contact-info__card {
    background: var(--color-gray-50);
    border-radius: 1rem;
    padding: 2rem;
}

.contact-info__card h3 {
    color: var(--color-gray-800);
    margin-bottom: 1.5rem;
}

.contact-info__card h4 {
    color: var(--color-gray-800);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.contact-info__card p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.contact-info__card a {
    color: var(--color-primary);
}

.contact-info__card small {
    color: var(--color-gray-500);
}

.contact-info__item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info__icon {
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-info__content {
    flex: 1;
}