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

      body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
          sans-serif;
        line-height: 1.5;
        color: #0d1117;
        background: #ffffff;
        overflow-x: hidden;
        padding-top: 80px; /* Account for fixed header */
      }

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

      /* Language Switcher */
      .lang-switcher {
        position: relative;
        display: inline-block;
      }

      .lang-toggle {
        background: #f6f8fa;
        border: 1px solid #e1e4e8;
        color: #656d76;
        cursor: pointer;
        padding: 8px 12px;
        border-radius: 8px;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 500;
      }

      .lang-toggle:hover {
        background: #ffffff;
        color: #0d1117;
        border-color: #dc2626;
      }

      .lang-dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        background: white;
        border: 1px solid #e1e4e8;
        border-radius: 8px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        padding: 4px 0;
        min-width: 140px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all 0.2s ease;
        z-index: 1000;
        margin-top: 4px;
      }

      .lang-dropdown.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .lang-option {
        padding: 10px 16px;
        cursor: pointer;
        font-size: 14px;
        color: #656d76;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: 500;
      }

      .lang-option:hover {
        background: #f6f8fa;
        color: #0d1117;
      }

      .lang-option.active {
        background: #fef2f2;
        color: #dc2626;
        font-weight: 600;
      }

      /* Header */
      header {
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(13, 17, 23, 0.1);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 20px 0;
      }

      nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
      }

      .nav-logo .logo {
        height: 40px;
        width: auto;
      }

      .nav-actions {
        display: flex;
        align-items: center;
        gap: 24px;
      }


      .cta-nav {
        background: #dc2626;
        color: white;
        padding: 12px 24px;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 600;
        font-size: 14px;
        transition: all 0.3s ease;
      }

      .cta-nav:hover {
        background: #b91c1c;
        transform: translateY(-1px);
      }

      /* Hero Section */
      .hero {
        min-height: calc(100vh - 80px); /* Subtract header height */
        display: flex;
        align-items: center;
        position: relative;
        background: linear-gradient(180deg, #ffffff 0%, #fef2f2 100%);
        overflow: hidden;
      }

      .hero-bg-logo {
        margin-bottom: 20px;
        pointer-events: none;
      }

      .hero-logo-bg {
        width: 180px;
        height: auto;
        opacity: 1;
      }


      .hero-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 120px;
        align-items: center;
        width: 100%;
        position: relative;
        z-index: 2;
      }

      .hero-text h1 {
        font-size: 64px;
        font-weight: 800;
        line-height: 0.95;
        margin-bottom: 32px;
        color: #0d1117;
        letter-spacing: -2px;
      }

      /* Japanese-specific font size */
      .hero-text[data-lang="ja"] h1 {
        font-size: 48px;
        line-height: 1.1;
      }

      .hero-text .highlight {
        background: linear-gradient(135deg, #dc2626, #ef4444);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .hero-text .subtitle {
        font-size: 22px;
        color: #656d76;
        margin-bottom: 48px;
        font-weight: 400;
        line-height: 1.4;
      }

      .hero-cta {
        display: flex;
        gap: 20px;
        align-items: center;
      }

      .btn-primary {
        background: #dc2626;
        color: white;
        padding: 16px 32px;
        border-radius: 12px;
        text-decoration: none;
        font-weight: 600;
        font-size: 16px;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
      }

      .btn-primary:hover {
        background: #b91c1c;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
      }

      .btn-secondary {
        color: #656d76;
        text-decoration: none;
        font-weight: 500;
        font-size: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: color 0.3s ease;
      }

      .btn-secondary:hover {
        color: #0d1117;
      }

      /* Floating Code Window */
      .hero-visual {
        position: relative;
        height: 600px;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .floating-elements {
        position: relative;
        width: 100%;
        height: 100%;
      }

      /* Floating bubble animations */
      .floating-bubble {
        position: absolute;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        border-radius: 50%;
        opacity: 0.6;
        animation: bubble-float 8s infinite ease-in-out;
      }

      .bubble-1 {
        width: 60px;
        height: 60px;
        top: 20%;
        left: 10%;
        animation-delay: 0s;
      }

      .bubble-2 {
        width: 40px;
        height: 40px;
        top: 60%;
        left: 80%;
        animation-delay: -2s;
      }

      .bubble-3 {
        width: 80px;
        height: 80px;
        top: 80%;
        left: 20%;
        animation-delay: -4s;
      }

      .bubble-4 {
        width: 30px;
        height: 30px;
        top: 10%;
        left: 70%;
        animation-delay: -6s;
      }

      .floating-circle {
        position: absolute;
        background: linear-gradient(135deg, #3b82f6, #6366f1);
        border-radius: 50%;
        opacity: 0.4;
        animation: circle-float 10s infinite ease-in-out;
      }

      .circle-1 {
        width: 50px;
        height: 50px;
        top: 40%;
        left: 5%;
        animation-delay: -1s;
      }

      .circle-2 {
        width: 35px;
        height: 35px;
        top: 70%;
        left: 85%;
        animation-delay: -5s;
      }

      .floating-triangle {
        position: absolute;
        opacity: 0.5;
        animation: triangle-float 12s infinite ease-in-out;
      }

      .triangle-1 {
        width: 0;
        height: 0;
        border-left: 25px solid transparent;
        border-right: 25px solid transparent;
        border-bottom: 43px solid #10b981;
        top: 30%;
        left: 90%;
        animation-delay: -3s;
      }

      .triangle-2 {
        width: 0;
        height: 0;
        border-left: 20px solid transparent;
        border-right: 20px solid transparent;
        border-bottom: 35px solid #f59e0b;
        top: 85%;
        left: 60%;
        animation-delay: -7s;
      }

      @keyframes bubble-float {
        0%, 100% {
          transform: translateY(0px) rotate(0deg);
        }
        33% {
          transform: translateY(-30px) rotate(5deg);
        }
        66% {
          transform: translateY(20px) rotate(-3deg);
        }
      }

      @keyframes circle-float {
        0%, 100% {
          transform: translateX(0px) translateY(0px);
        }
        25% {
          transform: translateX(20px) translateY(-15px);
        }
        50% {
          transform: translateX(-10px) translateY(-25px);
        }
        75% {
          transform: translateX(-20px) translateY(10px);
        }
      }

      @keyframes triangle-float {
        0%, 100% {
          transform: rotate(0deg) translateY(0px);
        }
        50% {
          transform: rotate(180deg) translateY(-40px);
        }
      }

      .code-window {
        background: #0d1117;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 40px 100px rgba(0, 0, 0, 0.3);
        width: 500px;
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -50%);
        animation: float 6s ease-in-out infinite;
      }

      @keyframes float {
        0%,
        100% {
          transform: translate(-50%, -50%) rotate(0deg);
        }
        25% {
          transform: translate(-54%, -46%) rotate(2deg);
        }
        50% {
          transform: translate(-46%, -54%) rotate(0deg);
        }
        75% {
          transform: translate(-50%, -46%) rotate(-2deg);
        }
      }

      .window-header {
        background: #21262d;
        padding: 16px 20px;
        display: flex;
        align-items: center;
        gap: 8px;
        border-bottom: 1px solid #30363d;
      }

      .window-dots {
        display: flex;
        gap: 8px;
      }

      .dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
      }

      .dot-red {
        background: #ff6058;
      }
      .dot-yellow {
        background: #ffbd2e;
      }
      .dot-green {
        background: #18c132;
      }

      .window-title {
        margin-left: 16px;
        color: #f0f6fc;
        font-size: 14px;
        font-weight: 500;
      }

      .code-content {
        padding: 24px;
        font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
        font-size: 14px;
        color: #f0f6fc;
        line-height: 1.6;
      }

      .code-line {
        margin-bottom: 8px;
        opacity: 0;
        animation: typeIn 0.8s ease-out forwards;
      }

      .code-line:nth-child(1) {
        animation-delay: 1s;
      }
      .code-line:nth-child(2) {
        animation-delay: 1.5s;
      }
      .code-line:nth-child(3) {
        animation-delay: 2s;
      }
      .code-line:nth-child(4) {
        animation-delay: 2.5s;
      }
      .code-line:nth-child(5) {
        animation-delay: 3s;
      }
      .code-line:nth-child(6) {
        animation-delay: 3.5s;
      }

      @keyframes typeIn {
        0% {
          opacity: 0;
          transform: translateX(-10px);
        }
        100% {
          opacity: 1;
          transform: translateX(0);
        }
      }

      .prompt {
        color: #dc2626;
        font-weight: 600;
      }
      .command {
        color: #58a6ff;
      }
      .string {
        color: #a5d6ff;
      }
      .comment {
        color: #8b949e;
      }
      .success {
        color: #56d364;
      }
      .error {
        color: #f85149;
      }

      /* Floating geometric shapes */
      .shape {
        position: absolute;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        border-radius: 50%;
        opacity: 0.1;
        animation: floatShapes 8s ease-in-out infinite;
      }

      .shape-1 {
        width: 60px;
        height: 60px;
        top: 10%;
        right: 20%;
        animation-delay: 0s;
      }

      .shape-2 {
        width: 40px;
        height: 40px;
        bottom: 20%;
        left: 10%;
        animation-delay: 2s;
      }

      .shape-3 {
        width: 80px;
        height: 80px;
        top: 60%;
        right: 10%;
        animation-delay: 4s;
      }

      @keyframes floatShapes {
        0%,
        100% {
          transform: translateY(0px) rotate(0deg);
        }
        33% {
          transform: translateY(-20px) rotate(120deg);
        }
        66% {
          transform: translateY(10px) rotate(240deg);
        }
      }

      /* Services Section - Interactive Grid */
      .services {
        padding: 120px 0;
        background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
        position: relative;
        overflow: hidden;
      }

      .services::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(
            circle at 30% 20%,
            rgba(220, 38, 38, 0.03) 0%,
            transparent 50%
          ),
          radial-gradient(
            circle at 80% 80%,
            rgba(220, 38, 38, 0.02) 0%,
            transparent 50%
          );
        pointer-events: none;
      }

      .services-container {
        position: relative;
        z-index: 1;
      }

      .section-header {
        text-align: center;
        margin-bottom: 40px;
        position: relative;
        padding-top: 20px;
      }

      /* Create breathing room after timeline */
      .services .section-header {
        margin-bottom: 60px;
      }

      /* Services header styling */
      .services-header {
        margin-top: 40px;
        margin-bottom: 40px;
        padding-top: 30px;
      }



      .section-header h2 {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 20px;
        color: #0d1117;
        letter-spacing: -1px;
      }

      .section-header p {
        font-size: 20px;
        color: #656d76;
        max-width: 600px;
        margin: 0 auto;
      }

      .credibility-line {
        font-size: 16px;
        color: #dc2626;
        font-weight: 600;
        margin-bottom: 16px !important;
      }

      /* Compact Timeline-Style Credibility List */
      .credibility-list {
        position: relative;
        max-width: 900px;
        margin: 0 auto 60px;
        padding: 20px 0 40px;
      }


      .credibility-list::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 10px;
        bottom: 10px;
        width: 2px;
        background: linear-gradient(180deg, transparent 0%, #dc2626 15%, #dc2626 85%, transparent 100%);
        transform: translateX(-50%);
        z-index: 1;
      }

      .credibility-item {
        position: relative;
        display: flex;
        align-items: center;
        margin-bottom: 24px;
        opacity: 1;
      }



      .credibility-item:nth-child(odd) {
        flex-direction: row;
        text-align: right;
      }

      .credibility-item:nth-child(even) {
        flex-direction: row-reverse;
        text-align: left;
      }

      /* Simple fade-in animation for credibility items */
      .credibility-content h3,
      .credibility-content p {
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.6s ease;
      }

      .credibility-content h3.visible,
      .credibility-content p.visible {
        opacity: 1;
        transform: translateY(0);
      }

      .credibility-content p.visible {
        transition-delay: 0.2s;
      }

      .credibility-content {
        flex: 1;
        max-width: 360px;
        padding: 16px 20px;
        background: rgba(255, 255, 255, 0.85);
        border-radius: 12px;
        border: 1px solid rgba(220, 38, 38, 0.1);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        z-index: 3;
      }

      .credibility-item:nth-child(odd) .credibility-content {
        margin-right: 16px;
      }

      .credibility-item:nth-child(even) .credibility-content {
        margin-left: 16px;
      }

      .credibility-content::before {
        content: '';
        position: absolute;
        top: 50%;
        width: 0;
        height: 0;
        border: 8px solid transparent;
        transform: translateY(-50%);
      }

      .credibility-item:nth-child(odd) .credibility-content::before {
        right: -16px;
        border-left-color: rgba(255, 255, 255, 0.85);
      }

      .credibility-item:nth-child(even) .credibility-content::before {
        left: -16px;
        border-right-color: rgba(255, 255, 255, 0.85);
      }


      .credibility-content h3 {
        font-size: 17px;
        font-weight: 700;
        color: #0d1117;
        margin-bottom: 4px;
        line-height: 1.3;
        letter-spacing: -0.2px;
      }

      .credibility-content p {
        font-size: 14px;
        color: #64748b;
        margin: 0;
        line-height: 1.4;
        font-weight: 400;
      }

      .credibility-icon {
        position: relative;
        width: 44px;
        height: 44px;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 
          0 0 0 3px rgba(255, 255, 255, 1),
          0 0 0 6px rgba(220, 38, 38, 0.2),
          0 4px 16px rgba(220, 38, 38, 0.25);
        z-index: 4;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        flex-shrink: 0;
      }


      .credibility-icon svg {
        width: 22px;
        height: 22px;
        color: white;
        filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.2));
      }

      .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
        gap: 24px;
        margin-top: 80px;
        position: relative;
      }


      .service-card {
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 24px;
        padding: 32px;
        position: relative;
        overflow: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        cursor: pointer;
      }

      .service-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(
          135deg,
          rgba(220, 38, 38, 0.1) 0%,
          rgba(239, 68, 68, 0.05) 100%
        );
        opacity: 0;
        transition: opacity 0.4s ease;
      }

      .service-card:hover::before {
        opacity: 1;
      }

      .service-card:hover {
        transform: translateY(-12px) scale(1.02);
        border-color: rgba(220, 38, 38, 0.3);
        box-shadow: 0 32px 64px rgba(220, 38, 38, 0.15),
          0 0 0 1px rgba(220, 38, 38, 0.1);
      }

      .service-icon {
        width: 56px;
        height: 56px;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 24px;
        position: relative;
        z-index: 2;
        transition: all 0.3s ease;
      }

      .service-card:hover .service-icon {
        transform: scale(1.1) rotate(5deg);
      }

      .service-icon svg {
        width: 28px;
        height: 28px;
        color: white;
      }

      .service-card h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
        color: #0d1117;
        position: relative;
        z-index: 2;
        transition: color 0.3s ease;
      }

      .service-card:hover h3 {
        color: #dc2626;
      }

      .service-card p {
        color: #656d76;
        line-height: 1.6;
        margin-bottom: 24px;
        position: relative;
        z-index: 2;
        font-size: 15px;
      }

      .service-price {
        font-size: 20px;
        font-weight: 800;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        position: relative;
        z-index: 2;
      }

      .service-category {
        position: absolute;
        top: 24px;
        right: 24px;
        background: rgba(220, 38, 38, 0.1);
        color: #dc2626;
        padding: 6px 12px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        z-index: 2;
      }

      /* CTA Section */
      .cta-section {
        min-height: 100vh;
        display: flex;
        align-items: center;
        background: linear-gradient(180deg, #0d1117 0%, #1a1d2e 100%);
        color: white;
        text-align: center;
        padding: 100px 0 40px 0;
        position: relative;
        overflow: hidden;
      }

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

      /* Animated Particle Field */
      .cta-particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 1;
      }

      .particle {
        position: absolute;
        background: #dc2626;
        border-radius: 50%;
        opacity: 0.6;
        animation: particleFloat 12s linear infinite;
        animation-fill-mode: backwards;
      }

      .particle.large {
        opacity: 0.4;
      }

      .particle.triangle {
        background: transparent;
        width: 0;
        height: 0;
        border-radius: 0;
        border-left: 3px solid transparent;
        border-right: 3px solid transparent;
        border-bottom: 6px solid #dc2626;
        opacity: 0.4;
      }

      .particle.square {
        border-radius: 2px;
        background: #ef4444;
        opacity: 0.3;
      }

      .particle.logo {
        background: transparent;
        width: 64px;
        height: 32px;
        opacity: 0.15;
        background-image: url("assets/liuski-logo.svg");
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
        border-radius: 0;
        mix-blend-mode: multiply;
        filter: contrast(200%) brightness(0) saturate(100%) invert(14%) sepia(93%) saturate(7151%) hue-rotate(356deg) brightness(91%) contrast(118%);
      }

      @keyframes particleFloat {
        0% {
          transform: translateY(140vh) rotate(0deg);
          opacity: 0;
        }
        8% {
          opacity: 0.6;
        }
        92% {
          opacity: 0.6;
        }
        100% {
          transform: translateY(-200px) rotate(360deg);
          opacity: 0;
        }
      }

      .cta-section h2 {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 24px;
        letter-spacing: -1px;
      }

      .cta-section p {
        font-size: 20px;
        margin-bottom: 48px;
        opacity: 0.8;
      }

      .cta-buttons {
        display: flex;
        gap: 24px;
        justify-content: center;
        margin-bottom: 48px;
      }

      .btn-white {
        background: white;
        color: #0d1117;
        padding: 20px 40px;
        border-radius: 12px;
        text-decoration: none;
        font-weight: 600;
        font-size: 18px;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      }

      .btn-white:hover {
        background: #f6f8fa;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
      }

      /* Contact Form */
      .contact-form {
        background: rgba(255, 255, 255, 0.75);
        border-radius: 16px;
        padding: 48px;
        max-width: 600px;
        margin: 0 auto;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        position: relative;
        overflow: hidden;
        min-height: 380px;
        transition: opacity 0.3s ease;
      }

      .contact-form.loading {
        opacity: 0.6;
        pointer-events: none;
      }

      .contact-form.loading * {
        cursor: wait !important;
      }

      .contact-form.loading::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 60px;
        height: 60px;
        margin: -30px 0 0 -30px;
        border: 4px solid rgba(220, 38, 38, 0.2);
        border-top: 4px solid #dc2626;
        border-radius: 50%;
        animation: formSpin 1s linear infinite;
        z-index: 100;
      }

      @keyframes formSpin {
        0% {
          transform: rotate(0deg);
        }
        100% {
          transform: rotate(360deg);
        }
      }

      .contact-form h2 {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 16px;
        color: #0d1117;
        text-align: center;
      }

      .contact-form .form-subtitle {
        font-size: 14px;
        color: #656d76;
        text-align: center;
        margin-bottom: 28px;
      }

      .form-group {
        margin-bottom: 24px;
      }

      .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .form-group label {
        display: block;
        font-weight: 600;
        font-size: 14px;
        color: #0d1117;
        margin-bottom: 8px;
        text-align: left;
        padding-left: 4px;
      }

      .form-group input,
      .form-group select,
      .form-group textarea {
        width: 100%;
        padding: 12px 16px;
        border: 2px solid #e1e4e8;
        border-radius: 8px;
        font-size: 14px;
        transition: border-color 0.3s ease;
        background: white;
        font-family: inherit;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
      }

      .form-group select {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 12px center;
        background-repeat: no-repeat;
        background-size: 16px;
        padding-right: 40px;
      }

      .form-group input:focus,
      .form-group select:focus,
      .form-group textarea:focus {
        outline: none;
        border-color: #dc2626;
      }

      .form-group textarea {
        resize: vertical;
        min-height: 120px;
      }

      .form-submit {
        text-align: center;
        margin-top: 32px;
      }

      /* Contact Form Success States */
      .form-success {
        text-align: center;
        padding: 60px 20px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        visibility: hidden;
        pointer-events: none;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 16px;
      }

      .form-success.show {
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
        pointer-events: auto;
      }

      .success-icon {
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, #10b981, #059669);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 24px;
        animation: successPulse 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
      }

      .success-icon::before {
        content: "";
        position: absolute;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, #10b981, #059669);
        border-radius: 50%;
        animation: successRipple 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
        opacity: 0.3;
      }

      @keyframes successPulse {
        0% {
          transform: scale(0.3) rotate(-180deg);
          opacity: 0;
        }
        50% {
          transform: scale(1.1) rotate(-90deg);
        }
        100% {
          transform: scale(1) rotate(0deg);
          opacity: 1;
        }
      }

      @keyframes successRipple {
        0% {
          transform: scale(1);
          opacity: 0.3;
        }
        100% {
          transform: scale(1.4);
          opacity: 0;
        }
      }

      .success-icon svg {
        width: 40px;
        height: 40px;
        color: white;
        animation: checkmarkDraw 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
      }

      @keyframes checkmarkDraw {
        0% {
          stroke-dasharray: 0 100;
          opacity: 0;
        }
        100% {
          stroke-dasharray: 100 0;
          opacity: 1;
        }
      }

      .success-title {
        font-size: 28px;
        font-weight: 700;
        color: #0d1117;
        margin-bottom: 12px;
        animation: successSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
      }

      .success-message {
        font-size: 14px;
        color: #656d76;
        margin-bottom: 32px;
        animation: successSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
      }

      .success-details {
        background: #f8fafc;
        border-radius: 12px;
        padding: 20px;
        margin: 24px 0;
        animation: successSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
      }

      .success-details p {
        margin: 8px 0;
        font-size: 14px;
        color: #64748b;
      }

      @keyframes successSlideUp {
        0% {
          opacity: 0;
          transform: translateY(30px);
        }
        100% {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .btn-submit {
        background: #dc2626;
        color: white;
        padding: 16px 48px;
        border: none;
        border-radius: 12px;
        font-weight: 600;
        font-size: 18px;
        cursor: pointer;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
      }

      .btn-submit:hover {
        background: #b91c1c;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
      }

      .btn-submit.loading {
        background: #9ca3af;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
      }


      .contact-form.submitting {
        pointer-events: none;
      }

      .form-content {
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
      }

      .form-content.hidden {
        opacity: 0;
        transform: translateY(-20px);
        visibility: hidden;
        pointer-events: none;
      }

      .contact-form.submitting .form-content {
        opacity: 0.7;
        transform: scale(0.98);
      }

      .form-privacy {
        font-size: 12px !important;
        color: #656d76;
        text-align: center;
        margin-top: 16px;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
      }

      /* Smooth scrolling */
      html {
        scroll-behavior: smooth;
      }

      /* Language content visibility */
      .lang-content {
        display: none;
      }

      .lang-content.active {
        display: block;
      }

      /* Responsive */
      @media (max-width: 992px) {
        .hero-content {
          grid-template-columns: 1fr;
          gap: 40px;
          text-align: center;
        }
        .hero-cta {
          justify-content: center;
        }
        .hero-visual {
          height: 400px;
        }
        .code-window {
          width: 90%;
          max-width: 450px;
        }
        .hero-logo-bg {
          width: 200px;
          opacity: 1;
        }

        /* Credibility timeline responsive */
        .credibility-list {
          padding: 15px 0 25px;
          margin-bottom: 40px;
        }

        .credibility-list::before {
          display: none;
        }

        .credibility-item {
          margin-bottom: 16px;
        }

        .credibility-item:nth-child(odd),
        .credibility-item:nth-child(even) {
          flex-direction: row;
          text-align: left;
        }

        .credibility-item:nth-child(odd) .credibility-content,
        .credibility-item:nth-child(even) .credibility-content {
          margin-left: 16px;
          margin-right: 0;
          padding: 12px 16px;
        }

        .credibility-content::before {
          display: none;
        }

        .credibility-icon {
          width: 36px;
          height: 36px;
          margin-left: 12px;
        }
      }

      @media (max-width: 768px) {
        body {
          padding-top: 64px;
        }

        .container {
          padding: 0 16px;
        }


        header {
          padding: 12px 0;
        }

        .hero {
          min-height: calc(100vh - 64px);
          padding: 24px 0;
        }

        .hero-text h1 {
          font-size: 36px;
          margin-bottom: 16px;
        }

        /* Japanese-specific mobile font size */
        .hero-text[data-lang="ja"] h1 {
          font-size: 28px;
          line-height: 1.2;
        }

        .hero-text .subtitle {
          font-size: 16px;
          margin-bottom: 24px;
        }

        .hero-cta {
          flex-direction: column;
          gap: 12px;
        }

        .hero-visual {
          height: 300px;
        }

        .code-window {
          width: 90%;
          max-width: 320px;
          top: 55%;
        }

        .code-content {
          text-align: left;
          padding: 16px;
        }

        .shape-1 {
          top: 5%;
          right: 2%;
        }

        .shape-2 {
          bottom: 5%;
          left: 2%;
        }

        .shape-3 {
          top: 75%;
          right: 2%;
        }


        .hero-logo-bg {
          width: 120px;
          opacity: 1;
        }

        /* Credibility timeline mobile */
        .credibility-list {
          padding: 20px 0 30px;
          margin-bottom: 40px;
        }

        .credibility-list::before {
          display: none;
        }

        .credibility-item {
          margin-bottom: 20px;
        }

        .credibility-item:nth-child(odd),
        .credibility-item:nth-child(even) {
          flex-direction: row;
          text-align: left;
        }

        .credibility-item:nth-child(odd) .credibility-content,
        .credibility-item:nth-child(even) .credibility-content {
          margin-left: 16px;
          margin-right: 0;
          max-width: none;
          padding: 12px 16px;
        }

        .credibility-content::before {
          display: none;
        }

        .credibility-content h3 {
          font-size: 16px;
          margin-bottom: 4px;
        }

        .credibility-content p {
          font-size: 13px;
          line-height: 1.3;
        }

        .credibility-icon {
          width: 32px;
          height: 32px;
          margin-left: 8px;
          box-shadow: 
            0 0 0 2px rgba(255, 255, 255, 1),
            0 0 0 4px rgba(220, 38, 38, 0.2),
            0 2px 12px rgba(220, 38, 38, 0.25);
        }

        .credibility-icon svg {
          width: 16px;
          height: 16px;
        }

        .services {
          padding: 60px 0;
        }

        .section-header {
          margin-bottom: 40px;
        }

        .section-header h2 {
          font-size: 28px;
          margin-bottom: 12px;
        }

        .section-header p {
          font-size: 16px;
        }

        .services-grid {
          grid-template-columns: 1fr;
          gap: 16px;
          margin-top: 32px;
        }
        .service-card {
          padding: 20px;
          border-radius: 16px;
        }

        .service-icon {
          width: 40px;
          height: 40px;
          margin-bottom: 16px;
          border-radius: 10px;
        }

        .service-icon svg {
          width: 20px;
          height: 20px;
        }

        .service-card h3 {
          font-size: 18px;
          margin-bottom: 8px;
        }

        .service-card p {
          font-size: 14px;
          margin-bottom: 16px;
        }

        .service-price {
          font-size: 16px;
        }

        .service-category {
          top: 16px;
          right: 16px;
          padding: 3px 8px;
          font-size: 10px;
          border-radius: 12px;
        }

        .cta-section {
          min-height: 100vh;
          padding: 40px 0;
        }

        .cta-section h2 {
          font-size: 28px;
          margin-bottom: 16px;
        }

        .cta-section p {
          font-size: 16px;
          margin-bottom: 24px;
        }

        .cta-buttons {
          flex-direction: column;
          align-items: center;
          gap: 12px;
          margin-bottom: 24px;
        }

        .contact-form {
          padding: 32px 24px;
          min-height: 350px;
          max-width: 480px;
          margin: 0 auto;
        }

        .contact-form h2 {
          font-size: 24px;
          margin-bottom: 12px;
        }

        .contact-form .form-subtitle {
          font-size: 12px;
          margin-bottom: 24px;
        }

        .form-row {
          grid-template-columns: 1fr;
          gap: 0;
        }

        .form-group {
          margin-bottom: 20px;
        }

        .form-group label {
          text-align: left;
          padding-left: 6px;
        }

        .btn-submit {
          padding: 14px 32px;
          font-size: 16px;
        }
      }
      
      /* FAQ Section */
      .faq-section {
        padding: 120px 0;
        background: #f6f8fa;
        position: relative;
      }
      
      .faq-section h2 {
        font-size: 48px;
        margin-bottom: 60px;
        text-align: center;
        background: linear-gradient(135deg, #dc2626, #ef4444);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }
      
      /* FAQ Accordion - Subtle Design */
      .faq-container {
        max-width: 800px;
        margin: 0 auto;
      }
      
      .faq-item {
        background: #fafbfc;
        border: 1px solid #e8eaed;
        border-radius: 8px;
        margin-bottom: 8px;
        transition: all 0.2s ease;
      }
      
      .faq-item:hover {
        background: #f6f8fa;
        border-color: #d0d7de;
      }
      
      .faq-question {
        width: 100%;
        padding: 16px 20px;
        background: none;
        border: none;
        text-align: left;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 16px;
        font-weight: 500;
        color: #24292f;
        transition: all 0.2s ease;
      }
      
      .faq-question:hover {
        color: #0969da;
      }
      
      .faq-question span {
        flex: 1;
        margin-right: 12px;
      }
      
      .faq-icon {
        width: 20px;
        height: 20px;
        transition: transform 0.2s ease;
        color: #656d76;
        flex-shrink: 0;
      }
      
      .faq-question[aria-expanded="true"] .faq-icon {
        transform: rotate(180deg);
        color: #0969da;
      }
      
      .faq-answer {
        padding: 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        background: white;
      }
      
      .faq-answer.open {
        max-height: 500px;
        padding: 16px 20px 20px;
      }
      
      .faq-answer p {
        margin: 0;
        font-size: 15px;
        line-height: 1.6;
        color: #656d76;
      }
      
      @media (max-width: 768px) {
        .faq-section {
          padding: 80px 0;
        }
        
        .faq-section h2 {
          font-size: 36px;
          margin-bottom: 40px;
        }
        
        .faq-container {
          max-width: 100%;
        }
        
        .faq-question {
          padding: 14px 16px;
          font-size: 15px;
        }
        
        .faq-answer.open {
          padding: 12px 16px 16px;
        }
        
        .faq-answer p {
          font-size: 14px;
        }
      }
      
      /* Internal Links */
      .internal-link {
        color: #dc2626;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.2s ease;
      }
      
      .internal-link:hover {
        color: #b91c1c;
        text-decoration: underline;
      }