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

:root {
    --color-navy-900: #041a33;
    --color-navy-800: #062c54;
    --color-navy-600: #0c3f7c;
    --color-blue-600: #1556cf;
    --color-blue-500: #1b6fe5;
    --color-blue-400: #3ba6ff;
    --color-cyan-300: #5dd5f8;
    --color-neutral-50: #f5f8fc;
    --color-neutral-100: #e8eff8;
    --color-neutral-200: #d5e2f3;
    --color-text: #0b1324;
    --color-text-light: #546075;
    --white: #ffffff;
    --shadow-lg: 0 28px 60px rgba(6, 44, 84, 0.22);
    --shadow-md: 0 18px 36px rgba(6, 44, 84, 0.16);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

body {
    font-family: 'Inter', "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-neutral-50);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
}

a:hover {
    text-decoration: none;
}

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

header {
    position: relative;
    z-index: 100;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.05);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
}

.brand-link {
    text-decoration: none;
    color: var(--color-navy-900);
}

.nav-brand .brand-name {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    display: block;
}

.tagline {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-menu a {
    text-decoration: none;
    font-weight: 600;
    color: var(--color-text);
    transition: color 0.2s ease;
}

.nav-menu a:hover {
    color: var(--color-blue-500);
}

section {
    padding: 7rem 0;
}

.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    margin-top: 88px;
    overflow: hidden;
    background: radial-gradient(circle at 15% 18%, rgba(59, 166, 255, 0.18), transparent 55%),
        radial-gradient(circle at 80% 35%, rgba(93, 213, 248, 0.16), transparent 60%),
        linear-gradient(160deg, var(--color-navy-900) 0%, #05264a 40%, #08386f 100%);
    color: var(--white);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-background video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
    pointer-events: none;
}

.hero-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(4, 26, 51, 0.85) 0%, rgba(6, 44, 84, 0.65) 40%, rgba(10, 59, 113, 0.4) 100%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.01em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-blue-400);
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-blue-600), var(--color-blue-400));
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 16px 34px rgba(12, 63, 124, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(10, 58, 116, 0.4);
}

.cta-button.wide {
    width: 100%;
    justify-content: center;
}

.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.4rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.ghost-button:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.6);
}

.ghost-button.light {
    border-color: rgba(6, 44, 84, 0.25);
    color: var(--color-navy-900);
}

.ghost-button.light:hover {
    background: rgba(27, 111, 229, 0.08);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.stat {
    background: rgba(6, 44, 84, 0.55);
    border: 1px solid rgba(93, 213, 248, 0.28);
    border-radius: var(--radius-sm);
    padding: 1.2rem 1.4rem;
    backdrop-filter: blur(8px);
}

.stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(221, 235, 255, 0.78);
}

.hero-card {
    background: rgba(6, 44, 84, 0.78);
    border: 1px solid rgba(93, 213, 248, 0.22);
    border-radius: var(--radius-lg);
    padding: 2.2rem;
    box-shadow: var(--shadow-lg);
}

.hero-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-card p {
    color: rgba(214, 236, 255, 0.85);
    margin-bottom: 1.5rem;
}

.hero-card ul {
    list-style: none;
    display: grid;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.hero-card li {
    position: relative;
    padding-left: 1.5rem;
    color: rgba(248, 250, 252, 0.85);
}

.hero-card li::before {
    content: '';
    position: absolute;
    top: 0.6rem;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-blue-400);
    box-shadow: 0 0 0 4px rgba(93, 213, 248, 0.2);
}

.hero-note {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    color: rgba(214, 236, 255, 0.75);
}

.note-label {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.note-brands {
    font-size: 0.95rem;
    font-weight: 600;
}

.section-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem auto;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-navy-900);
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.05rem;
    color: var(--color-text-light);
}

.service {
    background: linear-gradient(180deg, var(--color-neutral-50) 0%, #f0f6ff 100%);
}

.service-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.service-card {
    position: relative;
    min-height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: var(--white);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    isolation: isolate;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--card-image);
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 0.4s ease;
    z-index: -2;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 44, 84, 0.12) 0%, rgba(6, 44, 84, 0.85) 70%);
    z-index: -1;
}

.service-card:hover::before {
    transform: scale(1.12);
}

.service-card-body {
    display: grid;
    gap: 0.8rem;
}

.card-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    font-weight: 600;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.service-card p {
    font-size: 0.95rem;
    color: rgba(241, 245, 249, 0.85);
}

.pricing {
    background: linear-gradient(180deg, #f7faff 0%, var(--white) 100%);
}

.pricing-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    border: 1px solid rgba(15, 23, 42, 0.05);
    display: grid;
    gap: 1.6rem;
}

.pricing-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-blue-500);
    font-weight: 600;
}

.price {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-navy-900);
}

.price span {
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-left: 0.3rem;
}

.pricing-text {
    color: var(--color-text-light);
    font-size: 1rem;
}

.pricing-benefits {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.pricing-benefits li {
    position: relative;
    padding-left: 1.8rem;
    color: var(--color-text);
    font-weight: 500;
}

.pricing-benefits li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: var(--color-blue-500);
    box-shadow: 0 0 0 6px rgba(27, 111, 229, 0.18);
}

.pricing-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(27, 111, 229, 0.16);
}

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

.features {
    background: linear-gradient(180deg, var(--color-neutral-50) 0%, #eef4ff 100%);
}

.feature-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 3rem;
    align-items: center;
}

.feature-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.feature-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(4, 26, 51, 0) 0%, rgba(4, 26, 51, 0.32) 100%);
}

.feature-list {
    display: grid;
    gap: 1.8rem;
}

.feature-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1.4rem;
    align-items: start;
}

.step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: var(--white);
    box-shadow: 0 12px 24px rgba(6, 44, 84, 0.14);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-blue-500);
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.cta-banner {
    background: radial-gradient(circle at 0% 100%, rgba(59, 166, 255, 0.2), transparent 60%),
        linear-gradient(135deg, var(--color-navy-900), #06366b 55%, #0a4b8c 100%);
    color: var(--white);
}

.cta-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cta-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.cta-banner h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-banner p {
    max-width: 560px;
    color: rgba(214, 236, 255, 0.85);
}

.contact {
    background: linear-gradient(180deg, var(--color-navy-900) 0%, #063874 100%);
    color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 2.5rem;
    align-items: stretch;
}

.contact-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.contact-content {
    background: rgba(6, 44, 84, 0.6);
    border: 1px solid rgba(93, 213, 248, 0.3);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: grid;
    gap: 2rem;
}

.contact-copy h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.contact-copy p {
    color: rgba(214, 236, 255, 0.85);
    margin-bottom: 1.5rem;
}

.contact-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(93, 213, 248, 0.75);
    margin-bottom: 1rem;
}

.line-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #06c755, #33dd7a);
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 16px 32px rgba(6, 44, 30, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.line-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(6, 44, 30, 0.35);
}

.contact-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
}

.highlight-label {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(214, 236, 255, 0.7);
}

.highlight-value {
    display: block;
    margin-top: 0.4rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    word-break: break-word;
}

.highlight-value:hover {
    color: var(--color-blue-400);
}

.contact-form {
    display: grid;
    gap: 1.2rem;
}

.form-group {
    display: grid;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

input, textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    padding: 0.9rem 1rem;
    background: rgba(15, 23, 42, 0.35);
    color: var(--white);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}

input::placeholder,
textarea::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-blue-400);
    background: rgba(15, 23, 42, 0.5);
}

.submit-button {
    padding: 1rem 2.5rem;
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, var(--color-blue-600), var(--color-blue-400));
    color: var(--white);
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    box-shadow: 0 16px 32px rgba(12, 63, 124, 0.32);
    transition: transform 0.2s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
}

.footer {
    background: linear-gradient(180deg, var(--color-navy-900) 0%, #04254b 100%);
    color: rgba(214, 236, 255, 0.85);
    padding: 4rem 0 2rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    display: grid;
    gap: 0.8rem;
}

.footer-links a {
    text-decoration: none;
    color: rgba(214, 236, 255, 0.75);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.footer-links a:hover {
    color: var(--color-blue-400);
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(148, 163, 184, 0.75);
}

.fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-card {
        order: -1;
    }

    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .pricing-wrapper {
        grid-template-columns: 1fr;
    }

    .feature-layout {
        grid-template-columns: 1fr;
    }

    .cta-banner-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        padding: 18px 24px;
    }

    .nav-menu {
        display: none;
    }

    section {
        padding: 5rem 0;
    }

    .hero {
        min-height: auto;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .service-card {
        min-height: 280px;
    }

    .cta-banner h2 {
        font-size: 1.9rem;
    }

    .contact-content {
        padding: 2.4rem;
    }

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

@media (max-width: 540px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        padding: 2.2rem;
    }

    .feature-item {
        grid-template-columns: 48px 1fr;
    }

    .step-index {
        width: 48px;
        height: 48px;
        border-radius: 16px;
    }
}
