/* Global Styles */
:root {
    --primary-color: #0066FF;
    --secondary-color: #00D4FF;
    --accent-color: #0047AB;
    --dark-bg: #0A0E27;
    --darker-bg: #060913;
    --card-bg: #121829;
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    --text-muted: #7A8BA3;
    --border-color: rgba(0, 102, 255, 0.2);
    --shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
    --glow: 0 0 20px rgba(0, 102, 255, 0.4);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.cases .logo-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-bottom: 40px;
  background: rgba(0, 102, 255, 0.2);
  padding: 20px 0;
  overflow: hidden;
  position: relative;
  z-index: 2; /* 他の要素と干渉しないため */
}

.logo-title {
  text-align: center;
  width: 100%;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.logo-slider {
  width: 100vw;
  overflow: hidden;
}

.logo-track {
  display: flex;
  width: max-content;
  animation: logoScroll 20s linear infinite;
}

.logo-set {
  display: flex;
}

.logo-track img {
  height: 60px;
  margin-right: 20px;
  object-fit: contain;
}

/* Heroのscrollと分離 */
@keyframes logoScroll {
  0% { transform: translateX(0); }
 100% { transform: translateX(-33.333%); }
}
/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    color: var(--text-primary);
}

.nav-link.cta-button::after {
    display: none;
}

.nav-link.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all 0.3s ease;
}

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

.animated-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    opacity: 0.3;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    box-shadow: 0 5px 20px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
    animation: scroll 2s infinite;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll-wheel 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes scroll-wheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.section {
    padding: 8rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.feature-icon {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Solutions Section */
.solutions {
    background: var(--darker-bg);
}

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

.solution-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.solution-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.solution-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.solution-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.solution-features {
    list-style: none;
    padding: 0;
}

.solution-features li {
    color: var(--text-muted);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Cases Section */
.clients-section {
    text-align: center;
    margin-bottom: 5rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.clients-title {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.clients-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.client-logo {
    height: 50px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.client-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 102, 255, 0.3);
    background: rgba(255, 255, 255, 1);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.case-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.case-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    align-self: flex-start;
}

.case-client-logo {
    margin-bottom: 1.5rem;
    min-height: 50px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.case-client-logo img {
    height: 40px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.case-client-logo-double {
    gap: 1rem;
}

.case-client-logo-double img {
    height: 35px;
    padding: 0.5rem 0.8rem;
}

.case-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.case-description {
    color: var(--text-secondary);
    margin-bottom: auto;
    line-height: 1.8;
    flex-grow: 1;
}

.case-link {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.case-link a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.case-link a:hover {
    color: var(--primary-color);
}

.cases-cta {
    text-align: center;
    margin-top: 4rem;
}

/* Process Section */
.process {
    background: var(--darker-bg);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 70px;
    width: 2px;
    height: calc(100% + 2rem);
    background: linear-gradient(180deg, var(--primary-color), transparent);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: var(--glow);
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Contact Section */
.contact-cta-container {
    max-width: 900px;
    margin: 0 auto;
}

.contact-cta-card {
    background: var(--card-bg);
    padding: 4rem 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    margin-bottom: 3rem;
    transition: all 0.4s ease;
}

.contact-cta-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.cta-icon {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cta-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.btn-large {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
    display: inline-flex;
    align-items: center;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.info-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.info-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.info-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.info-link:hover {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
}

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

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        padding: 2rem;
        transition: left 0.3s ease;
        gap: 1.5rem;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-description br {
        display: none;
    }

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

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

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 5rem 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .features-grid,
    .solutions-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .clients-logos {
        gap: 1.5rem;
    }

    .client-logo {
        height: 40px;
        max-width: 110px;
        padding: 0.8rem 1.2rem;
    }

    .case-client-logo img {
        height: 35px;
        max-width: 100px;
    }

    .case-client-logo-double img {
        height: 30px;
    }
}
/* フォーム用カードスタイル */
    .contact-form-card {
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 20px;
        padding: 40px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        max-width: 600px;
        margin: 0 auto 40px; /* 中央寄せ */
    }

    /* レスポンシブ対応: PCではグリッド内に収める場合 */
    @media (min-width: 992px) {
        .contact-cta-container {
            display: grid;
            grid-template-columns: 1.5fr 1fr; /* フォームを広めに */
            gap: 40px;
            align-items: start;
        }
        .contact-form-card {
            margin: 0;
            max-width: 100%;
        }
    }

    /* フォーム要素のスタイル */
    .form-group {
        margin-bottom: 24px;
        text-align: left;
    }

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: #fff;
        font-size: 0.95rem;
    }

    .required {
        background: #ff4d4d;
        color: white;
        font-size: 0.7rem;
        padding: 2px 6px;
        border-radius: 4px;
        margin-left: 6px;
        vertical-align: middle;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        width: 100%;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 8px;
        color: #fff;
        font-family: inherit;
        font-size: 1rem;
        transition: all 0.3s ease;
        box-sizing: border-box; /* パディングを含める */
    }

    /* フォーカス時のデザイン（ブランドカラーの青） */
    .contact-form input:focus,
    .contact-form select:focus,
    .contact-form textarea:focus {
        outline: none;
        border-color: #00D4FF;
        background: rgba(255, 255, 255, 0.15);
        box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
    }

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

    /* セレクトボックスの矢印カスタマイズ */
    .select-wrapper {
        position: relative;
    }
    .select-wrapper::after {
        content: "▼";
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.6);
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
        pointer-events: none;
    }
    .contact-form select {
        appearance: none;
        cursor: pointer;
    }
    .contact-form select option {
        background: #1a1a1a; /* ドロップダウン背景色 */
        color: #fff;
    }

    /* 送信ボタン調整 */
    .btn-submit {
        width: 100%;
        margin-top: 10px;
        cursor: pointer;
        border: none;
        font-size: 1.1rem;
        font-weight: 600;
    }
            /* ヒーローセクション */
        .hero-section {
            position: relative;
            width: 100%;
            height: 768px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 背景画像 */
        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url(../img/top.png);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: 1;
        }

        /* オーバーレイ（オプション：テキストを読みやすくする） */
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
            z-index: 2;
        }

        /* コンテンツエリア */
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            color: #ffffff;
            max-width: 1200px;
            padding: 0 40px;
        }


        /* CTAボタン */
        .hero-cta {
        	margin-top: 400px;
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-button {
            padding: 18px 48px;
            font-size: 18px;
            font-weight: bold;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            letter-spacing: 0.05em;
        }

        .cta-primary {
            background: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
            color: #ffffff;
            box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
        }

        .cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 102, 255, 0.6);
        }

        .cta-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(10px);
        }

        .cta-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-3px);
        }

        /* レスポンシブ対応 */
        @media (max-width: 768px) {
            .hero-section {
                height: 600px;
            }

            .hero-title {
                font-size: 36px;
            }

            .hero-title .highlight {
                font-size: 42px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .cta-button {
                padding: 14px 32px;
                font-size: 16px;
            }

            .hero-content {
                padding: 0 20px;
            }
        }

        @media (max-width: 480px) {
            .hero-section {
                height: 400px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-title .highlight {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 14px;
                margin-bottom: 30px;
            }

            .hero-cta {
        		margin-top: 250px;
                flex-direction: column;
                align-items: center;
            }

            .cta-button {
                width: 100%;
                max-width: 300px;
            }
        }

        /* アニメーション */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-title {
            animation: fadeInUp 1s ease-out;
        }

        .hero-subtitle {
            animation: fadeInUp 1s ease-out 0.2s backwards;
        }

        .hero-cta {
            animation: fadeInUp 1s ease-out 0.4s backwards;
        }