/* ==================== ベーススタイル ==================== */
:root {
    --main-color: #1e40af;
    --main-color-dark: #1e3a8a;
    --accent-color: #0ea5e9;
    --accent-color-light: #38bdf8;
    --dark-text: #0f172a;
    --light-text: #334155;
    --muted-text: #64748b;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-color: #e2e8f0;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.15), 0 12px 24px rgba(0, 0, 0, 0.07);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    --hover-lift: translateY(-5px);
    --hover-lift-lg: translateY(-8px);
    --section-spacing: 120px;
    --content-width: 1200px;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--dark-text);
    line-height: 1.8;
    background-color: #f9fafb;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5z' fill='%230ea5e9' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--main-color), var(--main-color-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    position: relative;
    overflow: hidden;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    display: inline-block;
    margin-bottom: 2.5rem;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -12px;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--main-color), transparent);
    border-radius: 2px;
}

p {
    font-size: 1.05rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }
    
    p {
        font-size: 1.1rem;
    }
}

.container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: var(--section-spacing) 0;
    position: relative;
}

section:nth-child(odd) {
    background: linear-gradient(180deg, #f8fafc, #f1f5f9);
}

section:nth-child(even) {
    background: linear-gradient(180deg, #fff, #f8fafc);
}

/* ==================== セクションヘッダー共通スタイル ==================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-subtitle {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    background: rgba(14, 165, 233, 0.1);
    padding: 8px 16px;
    border-radius: 30px;
}

.section-subtitle::before,
.section-subtitle::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.6;
}

.section-subtitle::before {
    margin-right: 10px;
}

.section-subtitle::after {
    margin-left: 10px;
}

/* ==================== ボタンスタイル ==================== */
.btn, .header-cta, .hero-cta .btn, .use-cases-cta .btn, a[href="#contact"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background: linear-gradient(135deg, #0ea5e9, #1e40af) !important;
    color: white !important;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    font-family: 'Noto Sans JP', sans-serif;
    position: relative;
    overflow: hidden;
    z-index: 1;
    gap: 8px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
    z-index: -1;
}

.btn:hover, .header-cta:hover, .hero-cta .btn:hover, .use-cases-cta .btn:hover, a[href="#contact"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    background: linear-gradient(135deg, #1e40af, #0ea5e9) !important;
}

.btn:hover::before {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--main-color);
    color: var(--main-color);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--main-color);
    color: white;
    box-shadow: var(--shadow-md), 0 10px 20px rgba(30, 64, 175, 0.3);
}

.btn-primary {
    background: linear-gradient(65deg, var(--main-color), var(--main-color-dark));
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
}

.btn-lg {
    padding: 18px 38px;
    font-size: 1.15rem;
}

.btn-xl {
    padding: 20px 44px;
    font-size: 1.25rem;
}

.btn svg {
    width: 20px;
    height: 20px;
}

/* ==================== カード共通スタイル ==================== */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    transform: translateZ(0);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--main-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: var(--hover-lift);
    box-shadow: var(--shadow-md);
}

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

/* ==================== ヘッダー ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    height: auto;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 24px;
    flex-wrap: nowrap;
}

.logo {
    font-size: 1.4rem;
    flex-shrink: 0;
    font-weight: 800;
    color: var(--main-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 30px;
    margin-right: 8px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.header-cta {
    margin-left: 15px;
    padding: 6px 16px;
    font-size: 0.8rem;
    box-shadow: 0 3px 8px rgba(14, 165, 233, 0.15);
    flex-shrink: 0;
    white-space: nowrap;
    height: auto;
}

@media (max-width: 992px) {
    .header-container {
        padding: 8px 16px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .logo img {
        height: 25px;
    }
}

/* ==================== ヒーローセクション ==================== */

.hero {
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #e0f2fe, #dbeafe), url('./oreno_clone_image_tate.png');
    //background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)), url('oreno_clone_image_tate.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    //background: radial-gradient(circle at center, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5z' fill='%230ea5e9' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    z-index: 0;
}


/*.hero {
    padding: 180px 0 120px;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)), url('oreno_clone_image_tate.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.7) 100%);
    z-index: 1;
}*/

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

@media (min-width: 992px) {
    .hero-content {
        flex-direction: row;
        align-items: center;
    }
}

.hero-text {
    flex: 1;
    max-width: 600px;
}
/*
.hero h1 {
    margin-bottom: 1.5rem;
    font-size: 3rem;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    position: relative;
}*/


.hero h1 {
    margin-bottom: 1.5rem;
    font-size: 32px;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--main-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    position: relative;
}

.hero h1::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    border-radius: 2px;
}

@media (min-width: 768px) {
    .hero h1 {
        font-size: 3.8rem;
    }
}

.hero-subtitle {
    font-size: 1.8rem;
    //color: var(--dark-text);
    color: darkcyan;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 30px;
    font-weight: 500;
}

.hero-subtitle::before,
.hero-subtitle::after{
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    width: 18px;
    height: 18px;
    //background: var(--accent-color);
    background: darkcyan;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

/* メトリクス表示 */
.metrics-row {
    display: flex;
    gap: 24px;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.metric-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex: 1;
    min-width: 120px;
}

.metric-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--main-color);
    display: block;
}

.metric-label {
    font-size: 10rem;
    color: var(--light-text);
    font-weight: 600;
}

.hero-image {
    flex: 1;
    margin-top: 50px;
    position: relative;
    max-width: 100%;
    padding-left: 0;
    perspective: 1000px;
}

@media (min-width: 992px) {
    .hero-image {
        margin-top: 0;
        padding-left: 50px;
    }
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-cta {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* ==================== アイキャッチセクション ==================== */
.eye-catch {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc, #e0f2fe);
    position: relative;
    overflow: hidden;
}

.eye-catch::before,
.eye-catch::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, rgba(14, 165, 233, 0) 70%);
    z-index: 0;
}

.eye-catch::before {
    top: -150px;
    left: -100px;
}

.eye-catch::after {
    bottom: -150px;
    right: -100px;
}

.eye-catch-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-text);
    line-height: 1.6;
    letter-spacing: 0.01em;
    position: relative;
    padding: 40px;
    z-index: 1;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.eye-catch-text::before,
.eye-catch-text::after {
    content: '"';
    font-size: 6rem;
    position: absolute;
    color: rgba(14, 165, 233, 0.15);
    font-family: serif;
    line-height: 1;
}

.eye-catch-text::before {
    top: -10px;
    left: -15px;
}

.eye-catch-text::after {
    bottom: -60px;
    right: -15px;
}

/* ==================== 課題提起セクション ==================== */
.challenges {
    background: linear-gradient(180deg, #fff, #f8fafc);
    overflow: hidden;
    position: relative;
}

.challenges::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.05) 0%, rgba(14, 165, 233, 0) 70%);
    z-index: 0;
    border-radius: 50%;
}

.challenges-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .challenges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.challenge-card {
    display: flex;
    align-items: flex-start;
    padding: 30px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(148, 163, 184, 0.1);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--main-color), var(--accent-color));
    transition: var(--transition);
}

.challenge-card:hover {
    transform: var(--hover-lift);
    box-shadow: var(--shadow-lg);
}

.challenge-card:hover::before {
    width: 7px;
}

.challenge-icon {
    min-width: 70px;
    height: 70px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 24px;
    font-size: 1.8rem;
    color: var(--main-color);
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.15);
}

.challenge-card:hover .challenge-icon {
    transform: scale(1.1) rotate(-5deg);
    background: linear-gradient(135deg, var(--main-color), var(--accent-color));
    color: white;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.25);
}

.challenge-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    position: relative;
}

.challenge-content p {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--light-text);
}

.challenges-image {
    margin-top: 70px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.challenges-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg), 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: perspective(1000px) rotateX(2deg);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.challenges-image:hover img {
    transform: perspective(1000px) rotateX(0);
    box-shadow: var(--shadow-hover), 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* ==================== 解決策セクション ==================== */
.solutions {
    background: linear-gradient(135deg, #f0fdfa 0%, #ecfdf5 50%, #d1fae5 100%);
    position: relative;
    overflow: hidden;
    padding: 120px 0;
}

.solutions::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.solutions::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.solutions-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

@media (min-width: 992px) {
    .solutions-container {
        flex-direction: row;
        align-items: flex-start;
    }
}

.solutions-text {
    flex: 1;
}

.solutions-list {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(229, 231, 235, 0.8);
    position: relative;
}

.solutions-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    right: 20px;
    height: 4px;
    background: linear-gradient(90deg, #22c55e, #16a34a, #0891b2);
    border-radius: 2px;
}

.solution-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px 0;
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    position: relative;
}

.solution-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.solution-item:first-child {
    padding-top: 0;
}

.solution-check {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
    flex-shrink: 0;
    margin-top: 4px;
}

.solution-content {
    flex: 1;
}

.solution-content h3 {
    font-size: 1.4rem;
    margin: 0 0 16px 0;
    color: #1f2937;
    font-weight: 700;
    line-height: 1.4;
}

.solution-content p {
    margin-bottom: 8px;
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.7;
}

.solution-content p:last-child {
    margin-bottom: 0;
}

.solutions-image {
    flex: 1;
    text-align: center;
}

.solutions-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* PC表示時の画像幅調整 */
@media (min-width: 992px) {
    .solutions-image img {
        width: 60%;
    }
}

/* ==================== Before/After ビジュアルセクション ==================== */
.before-after-visual {
    position: relative;
    z-index: 1;
    margin: 40px 0 60px;
}

.before-after-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    min-height: 500px;
}

/* Before Section */
.before-section {
    background: #a8a8a8;
    color: white;
    padding: 40px 30px;
    position: relative;
}

.before-section .section-title h3 {
    font-size: 3rem;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    margin-top: 0;
}

.subtitle-box {
    background: white;
    color: #333;
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 30px;
    display: inline-block;
}

.subtitle-box.blue {
    background: rgba(135, 206, 250, 0.8);
    color: #333;
}

/* Issues and Solutions List */
.issues-list,
.solutions-list {
    margin-bottom: 40px;
}

.issue-item,
.solution-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.bullet {
    margin-right: 12px;
    font-weight: bold;
    margin-top: 2px;
}

.highlight-box {
    background: #4a90e2;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    margin: 0 2px;
}

/* Metrics Icons */
.metrics-icons {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.metric-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    font-size: 0.8rem;
    font-weight: 600;
}

.metric-icon.gray {
    background: white;
    color: #666;
}

.metric-icon.blue {
    background: rgba(135, 206, 250, 0.8);
    color: #333;
}

.metric-label {
    //font-size: 0.7rem;
    font-size: 20px;
    margin-bottom: 4px;
}

.chart-up,
.chart-down {
    font-size: 1.5rem;
    font-weight: 900;
}

.chart-up.blue {
    color: #4a90e2;
}

.chart-down.blue {
    color: #4a90e2;
}

.plus-icon {
    font-size: 2rem;
    color: #4a90e2;
    font-weight: 900;
    margin: 0 10px;
}

/* Arrow Divider */
.arrow-divider {
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #a8a8a8;
    position: relative;
}

.arrow-shape {
    width: 0;
    height: 0;
    border-left: 40px solid #a8a8a8;
    border-top: 250px solid transparent;
    border-bottom: 250px solid transparent;
    position: absolute;
    right: 0;
    z-index: 2;
}

/* After Section */
.after-section {
    background: rgba(173, 216, 230, 0.3);
    padding: 40px 30px;
    position: relative;
}

.after-section .section-title h3 {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(135, 206, 250, 0.8);
    margin-bottom: 20px;
    margin-top: 0;
}

.solution-item {
    color: #333;
}

/* ==================== 使用シーンセクション ==================== */
.use-cases {
    background: linear-gradient(180deg, #f8fafc, #fff);
    position: relative;
    overflow: hidden;
}

.use-cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230ea5e9' fill-opacity='0.02' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.use-cases-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

.use-case-item {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(148, 163, 184, 0.1);
    position: relative;
    overflow: hidden;
}

.use-case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.05), transparent);
    transition: 0.6s;
}

.use-case-item:hover {
    transform: var(--hover-lift);
    box-shadow: var(--shadow-lg);
}

.use-case-item:hover::before {
    left: 100%;
}

.use-case-number {
    min-width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--main-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
    transition: var(--transition);
}

.use-case-item:hover .use-case-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.4);
}

.use-case-content {
    flex: 1;
}

.use-case-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.use-case-content p {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--light-text);
}

.use-case-icon {
    min-width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--main-color);
    transition: var(--transition);
}

.use-case-item:hover .use-case-icon {
    background: rgba(14, 165, 233, 0.2);
    transform: scale(1.1);
}

.use-cases-cta {
    text-align: center;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

/* ==================== 成功事例セクション ==================== */
.case-studies {
    background: linear-gradient(180deg, #fff, #f8fafc);
    position: relative;
    overflow: hidden;
}

.case-studies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230ea5e9' fill-opacity='0.02' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .case-studies-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.case-study-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.case-study-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--main-color), var(--accent-color));
}

.case-study-card:hover {
    transform: var(--hover-lift);
    box-shadow: var(--shadow-lg);
}

.case-study-industry {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
}

.case-study-metric {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--main-color);
    margin-bottom: 15px;
}

.case-study-description {
    color: var(--light-text);
    font-size: 1rem;
    line-height: 1.6;
}

/* ==================== FAQ アコーディオンセクション ==================== */
/* よくある質問セクション */
.faq {
    background: linear-gradient(180deg, #f8fafc, #fff);
    position: relative;
    overflow: hidden;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='30' height='30' viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M15 0C6.716 0 0 6.716 0 15c0 8.284 6.716 15 15 15 8.284 0 15-6.716 15-15C30 6.716 23.284 0 15 0zm0 2c7.18 0 13 5.82 13 13s-5.82 13-13 13S2 22.18 2 15 7.82 2 15 2z' fill='%230ea5e9' fill-opacity='0.02'/%3E%3C/svg%3E");
    z-index: 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.faq-item {
    background: white;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(14, 165, 233, 0.02);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--dark-text);
}

.faq-toggle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(14, 165, 233, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 30px 25px;
    color: var(--light-text);
    line-height: 1.7;
}
/* ==================== 限定特典セクション ==================== */
.limited-offer {
    background: linear-gradient(135deg, var(--main-color), var(--main-color-dark));
    color: white;
    position: relative;
    overflow: hidden;
}

.limited-offer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.offer-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.offer-content .section-header h2,
.offer-content .section-header p {
    color: white;
}

.offer-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 40px 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.offer-badge {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 30px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.offer-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.offer-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.offer-list i {
    color: var(--warning-color);
    font-size: 1.5rem;
    margin-top: 5px;
}

.offer-item-content h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.offer-item-content p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.offer-timer {
    margin-top: 30px;
}

.offer-timer p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.time-block {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px 20px;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(5px);
}

.time-block .number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: white;
}

.time-block .unit {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.offer-cta {
    margin-top: 40px;
}

.offer-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 15px;
}

/* ==================== LINE登録特典 ==================== */
.line-offer-banner {
    background: linear-gradient(145deg, #E3F2FD 0%, #BBDEFB 100%);
    border-radius: 20px;
    padding: 30px;
    margin: 40px auto;
    text-align: center;
    box-shadow: 0 15px 40px rgba(33, 150, 243, 0.15);
    position: relative;
    overflow: hidden;
    border: 2px dashed #2196F3;
    max-width: 600px;
}

.line-offer-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%232196F3' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40zm0-40h2l-2 2V0zm0 4l4-4h2l-6 6V4zm0 4l8-8h2L40 10V8zm0 4L52 0h2L40 14v-2zm0 4L56 0h2L40 18v-2zm0 4L60 0h2L40 22v-2zm0 4L64 0h2L40 26v-2zm0 4L68 0h2L40 30v-2zm0 4L72 0h2L40 34v-2zm0 4L76 0h2L40 38v-2zm0 4L80 0v2L42 40h-2zm4 0L80 4v2L46 40h-2zm4 0L80 8v2L50 40h-2zm4 0l28-28v2L54 40h-2zm4 0l24-24v2L58 40h-2zm4 0l20-20v2L62 40h-2zm4 0l16-16v2L66 40h-2zm4 0l12-12v2L70 40h-2zm4 0l8-8v2l-6 6h-2zm4 0l4-4v2l-2 2h-2z'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.2;
}

.line-offer-banner::after {
    content: 'PRESENT';
    position: absolute;
    top: 10px;
    right: -30px;
    background: #FF9800;
    color: white;
    padding: 5px 40px;
    font-size: 12px;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(255, 152, 0, 0.3);
}

.offer-title {
    font-size: 24px;
    font-weight: 900;
    color: #1565C0;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.offer-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, #2196F3, #FF9800);
    border-radius: 2px;
}

.offer-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: #1565C0;
    margin-bottom: 20px;
}

.offer-button {
    background: linear-gradient(to right, #06C755, #06E05E);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(6, 199, 85, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    margin-top: 15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(6, 199, 85, 0.3);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 15px 40px rgba(6, 199, 85, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(6, 199, 85, 0.3);
    }
}

.offer-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(6, 224, 94, 0.4);
}

.offer-button svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
}

/* ==================== 会社概要セクション ==================== */
.company {
    background: linear-gradient(180deg, #fff, #f8fafc);
    position: relative;
    overflow: hidden;
}

.company::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='50' height='50' viewBox='0 0 50 50' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230ea5e9' fill-opacity='0.02' fill-rule='evenodd'%3E%3Cpath d='M25 0v50M0 25h50'/%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.company-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
    position: relative;
    z-index: 1;
}

@media (min-width: 992px) {
    .company-content {
        flex-direction: row;
        align-items: flex-start;
    }
}

.company-text {
    flex: 1;
}

.company-mission,
.company-vision,
.company-story {
    margin-bottom: 30px;
    padding: 25px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent-color);
    transition: var(--transition);
}

.company-mission:hover,
.company-vision:hover,
.company-story:hover {
    transform: var(--hover-lift);
    box-shadow: var(--shadow-md);
}

.company-mission h3,
.company-vision h3,
.company-story h3 {
    color: var(--main-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

/* ==================== お問い合わせフォームセクション ==================== */
.contact-form {
    --contact-main-color: #1e40af;
    --contact-main-color-dark: #1e3a8a;
    --contact-accent-color: #0ea5e9;
    --contact-dark-text: #0f172a;
    --contact-light-text: #334155;
    --contact-muted-text: #64748b;
    --contact-success-color: #10b981;
    --contact-warning-color: #f59e0b;
    --contact-error-color: #ef4444;
    --contact-border-color: #e2e8f0;
    --contact-shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --contact-shadow-md: 0 10px 15px rgba(0, 0, 0, 0.07), 0 4px 6px rgba(0, 0, 0, 0.05);
    --contact-shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --contact-border-radius: 12px;
    --contact-transition: all 0.3s ease;
    
    background: linear-gradient(135deg, #f8fafc, #e0f2fe);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230ea5e9' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

/* セクションヘッダースタイル - 強制的な色指定で上書き */
.contact-form .section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.contact-form .section-subtitle {
    color: var(--contact-accent-color) !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    background: rgba(14, 165, 233, 0.1);
    padding: 8px 16px;
    border-radius: 30px;
}

.contact-form .section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--contact-dark-text) !important;
    font-weight: 800;
}

.contact-form .section-header p {
    font-size: 1.1rem;
    color: var(--contact-light-text) !important;
    margin-bottom: 0;
}

.contact-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 992px) {
    .contact-content {
        flex-direction: row;
        align-items: flex-start;
    }
}

/* フォーム部分を中央寄せ・改善 */
.contact-form-wrapper {
    flex: 1;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.contact-form-inner {
    background: white;
    border-radius: var(--contact-border-radius);
    padding: 50px 40px;
    box-shadow: var(--contact-shadow-lg);
    border: 1px solid var(--contact-border-color);
}

/* フォームグループスタイル */
.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--contact-dark-text);
    font-size: 1rem;
}

.required {
    color: var(--contact-error-color);
    margin-left: 4px;
}

/* 入力フィールドスタイル - 完全改善 */
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--contact-border-color);
    border-radius: 8px;
    background: white;
    color: var(--contact-dark-text);
    font-size: 1rem;
    transition: var(--contact-transition);
    font-family: 'Noto Sans JP', sans-serif;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--contact-muted-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--contact-accent-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23334155'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-group select option {
    background: white;
    color: var(--contact-dark-text);
    padding: 8px;
}

/* チェックボックスグループ - 修正版 */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--contact-dark-text) !important;
    line-height: 1.6;
    transition: var(--contact-transition);
    position: relative;
}

.checkbox-label:hover {
    color: var(--contact-accent-color) !important;
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    min-width: 22px;
    height: 22px;
    background: white;
    border: 2px solid var(--contact-border-color);
    border-radius: 4px;
    position: relative;
    transition: var(--contact-transition);
    margin-top: 1px;
    flex-shrink: 0;
}

.checkbox-label:hover .checkmark {
    border-color: var(--contact-accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--contact-accent-color);
    border-color: var(--contact-accent-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 14px;
    line-height: 1;
}

.checkbox-label input[type="checkbox"]:focus + .checkmark {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* プライバシーポリシー部分 - 修正版 */
.privacy-policy {
    background: rgba(14, 165, 233, 0.05);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid rgba(14, 165, 233, 0.1);
}

.privacy-policy .checkbox-label {
    color: var(--contact-dark-text) !important;
}

.privacy-policy a {
    color: var(--contact-accent-color) !important;
    text-decoration: underline;
    transition: var(--contact-transition);
}

.privacy-policy a:hover {
    color: var(--contact-main-color) !important;
}

/* 送信ボタン */
.form-submit {
    text-align: center;
    margin-top: 40px;
}

.form-submit .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--contact-accent-color), var(--contact-main-color));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: var(--contact-shadow-md);
    transition: var(--contact-transition);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    font-family: 'Noto Sans JP', sans-serif;
}

.form-submit .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--contact-shadow-lg);
}

.form-note {
    color: var(--contact-muted-text);
    font-size: 0.9rem;
    margin-top: 15px;
}

/* コンタクト情報部分 */
.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 400px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: var(--contact-border-radius);
    box-shadow: var(--contact-shadow-sm);
    border: 1px solid var(--contact-border-color);
    transition: var(--contact-transition);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--contact-shadow-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--contact-accent-color);
    margin-top: 5px;
    min-width: 24px;
}

.contact-item h4 {
    color: var(--contact-dark-text);
    margin-bottom: 8px;
    font-size: 1.1rem;
    font-weight: 700;
}

.contact-item p {
    color: var(--contact-light-text);
    margin: 0;
    font-size: 1rem;
}

/* ==================== フッターセクション ==================== */
.footer {
    background: linear-gradient(180deg, #f8fafc, #f1f5f9);
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230ea5e9' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 992px) {
    .footer-content {
        flex-direction: row;
    }
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-logo p {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--main-color);
    margin: 0;
}

.footer-links {
    flex: 3;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--dark-text);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--main-color), var(--accent-color));
    border-radius: 3px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    padding-left: 20px;
    display: inline-block;
}

.footer-column ul li a::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-color);
    transition: var(--transition);
    opacity: 0.5;
}

.footer-column ul li a:hover {
    color: var(--main-color);
    transform: translateX(5px);
}

.footer-column ul li a:hover::before {
    opacity: 1;
}

.footer-bottom {
    margin-top: 60px;
    padding: 25px 0;
    text-align: center;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.footer-address {
    margin-bottom: 15px;
}

.footer-address p {
    margin-bottom: 5px;
    color: var(--light-text);
    font-size: 0.9rem;
}

.footer-copyright p {
    color: var(--muted-text);
    font-size: 0.9rem;
    margin: 0;
}

/* ==================== アニメーション ==================== */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.float-animation {
    animation: float 5s ease-in-out infinite;
}

/* ==================== レスポンシブ設定 ==================== */
@media (max-width: 992px) {
    .before-after-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .arrow-divider {
        display: none;
    }
    
    .before-section,
    .after-section {
        padding: 30px 20px;
    }
    
    .before-section .section-title h3,
    .after-section .section-title h3 {
        font-size: 2rem;
    }
    
    .metrics-icons {
        justify-content: center;
    }
    
    .metric-icon {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 768px) {
    .metrics-row {
        flex-direction: column;
    }
    
    .metric-item {
        text-align: center;
    }
    
    .use-case-item {
        flex-direction: column;
        text-align: center;
    }
    
    .countdown {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-form-inner {
        padding: 30px 20px;
    }
    
    .checkbox-group {
        gap: 8px;
    }
    
    .checkbox-label {
        font-size: 0.9rem;
    }
    
    .before-section,
    .after-section {
        padding: 25px 15px;
    }
    
    .before-section .section-title h3,
    .after-section .section-title h3 {
        font-size: 1.5rem;
    }
    
    .issue-item,
    .solution-item {
        font-size: 0.8rem;
    }
    
    .metric-icon {
        width: 50px;
        height: 50px;
    }
    
    .metric-label {
        font-size: 0.6rem;
    }
    
    .chart-up,
    .chart-down {
        font-size: 1.2rem;
    }
    
    .solutions-container {
        gap: 40px;
    }
    
    .solution-item {
        gap: 20px;
        padding: 24px 0;
    }
    
    .solution-check {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .solution-content h3 {
        font-size: 1.2rem;
    }
    
    .solution-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 80px 0;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .challenge-card {
        flex-direction: column;
        text-align: center;
    }
    
    .challenge-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .offer-list li {
        flex-direction: column;
        text-align: center;
    }
    
    .offer-list i {
        margin-bottom: 10px;
    }
    
    .contact-form {
        padding: 80px 0;
    }

    .contact-form-inner {
        padding: 25px 15px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 16px 32px;
        font-size: 1.1rem;
    }
}