/* ========================================
   AInexus Consulting - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    --primary: #4A6CF7;
    --primary-dark: #3A5CE5;
    --primary-light: #6B8AF9;
    --secondary: #0EA5E9;
    --accent: #F43F5E;
    --bg-dark: #FFFFFF;
    --bg-card: #F8FAFF;
    --bg-card2: #EEF2FF;
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border: rgba(74, 108, 247, 0.15);
    --gradient-primary: linear-gradient(135deg, #4A6CF7, #0EA5E9);
    --gradient-hero: linear-gradient(135deg, #EEF2FF 0%, #E0EAFF 50%, #F0F7FF 100%);
    --shadow-card: 0 8px 32px rgba(74, 108, 247, 0.1);
    --shadow-hover: 0 16px 48px rgba(74, 108, 247, 0.2);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', 'Noto Sans JP', sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-primary);
    background: #FFFFFF;
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

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

/* Section Common */
section { padding: 100px 0; }
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--secondary);
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 6px 14px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.05);
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 60px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #fff2, transparent);
    opacity: 0;
    transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(108, 99, 255, 0.6); }
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    border: 1.5px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); transform: translateY(-2px); }

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 44px;
    background: #fff;
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.btn-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }

/* ========================================
   NAVBAR
   ======================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}
#navbar {
    padding: 20px 0;
    transition: var(--transition);
}
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(74, 108, 247, 0.08);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
}
.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.nav-logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 50%;
    background: #fff;
    padding: 2px;
    flex-shrink: 0;
}
.logo-text { color: var(--primary); }
.logo-accent { color: var(--primary); }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link {
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(74, 108, 247, 0.06); }
.nav-cta {
    padding: 10px 22px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.35);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(108, 99, 255, 0.5); }
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}
/* 初期状態のナビは白背景 */
#navbar:not(.scrolled) {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 1px 12px rgba(74, 108, 247, 0.06);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========================================
   HERO
   ======================================== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
    text-align: center;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #F0F4FF 0%, #E8EFFF 50%, #F5F8FF 100%);
    z-index: 0;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(74, 108, 247, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 108, 247, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.particle {
    position: absolute;
    border-radius: 50%;
    animation: particleFloat linear infinite;
    opacity: 0;
}
@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 0.5; }
    100% { transform: translateY(-100px) scale(1); opacity: 0; }
}
.hero-container {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(74, 108, 247, 0.1);
    border: 1px solid rgba(74, 108, 247, 0.3);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    animation: fadeInDown 0.8s ease forwards;
}
.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.9s ease 0.1s forwards;
    opacity: 0;
    color: var(--text-primary);
}
.hero-highlight {
    position: relative;
    display: inline-block;
}
.hero-highlight::after {
    display: none;
}
@keyframes lineExpand { to { transform: scaleX(1); } }
.hero-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 0.9s ease 0.2s forwards;
    opacity: 0;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
    animation: fadeInUp 0.9s ease 0.3s forwards;
    opacity: 0;
}
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 28px 40px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(74, 108, 247, 0.1);
    animation: fadeInUp 0.9s ease 0.4s forwards;
    opacity: 0;
}
.stat-item {
    text-align: center;
    padding: 0 40px;
}
.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.stat-unit { font-size: 1.5rem; font-weight: 800; color: var(--secondary); }
.stat-label { display: block; font-size: 0.8rem; color: var(--text-secondary); margin-top: 6px; }
.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border);
}
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   PROBLEMS
   ======================================== */
.section-problems {
    background: linear-gradient(180deg, #F8FAFF 0%, #EEF2FF 100%);
    text-align: center;
}
.section-problems .section-title,
.section-problems .section-label { display: block; }
.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}
.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}
.problem-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(108, 99, 255, 0.4); }
.problem-card:hover::before { transform: scaleX(1); }
.problem-icon {
    width: 52px;
    height: 52px;
    background: rgba(108, 99, 255, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-light);
    margin-bottom: 20px;
    transition: var(--transition);
}
.problem-card:hover .problem-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1);
}
.problem-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}
.problem-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.problems-solution {
    padding: 40px;
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.25);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}
.problems-solution p { font-size: 1.2rem; color: var(--text-secondary); }
.problems-solution strong { color: var(--text-primary); }

/* ========================================
   ABOUT
   ======================================== */
.section-about {
    background: #FFFFFF;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.about-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 450px;
}
.about-image-wrap {
    position: relative;
    width: 360px;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.about-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
}
.orb-1 {
    width: 200px; height: 200px;
    background: rgba(74, 108, 247, 0.15);
    top: 20%; left: 20%;
    animation: orbPulse 4s ease-in-out infinite;
}
.orb-2 {
    width: 150px; height: 150px;
    background: rgba(14, 165, 233, 0.12);
    bottom: 20%; right: 20%;
    animation: orbPulse 4s ease-in-out 2s infinite;
}
@keyframes orbPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}
.about-core {
    position: relative;
    z-index: 2;
    width: 120px; height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    box-shadow: 0 0 60px rgba(108, 99, 255, 0.6);
    gap: 4px;
}
.about-core span { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; }
.about-orbit {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px dashed rgba(74, 108, 247, 0.25);
    animation: rotate 15s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }
.orbit-item {
    position: absolute;
    width: 44px; height: 44px;
    background: #FFFFFF;
    border: 1.5px solid rgba(74, 108, 247, 0.2);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(74, 108, 247, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--primary-light);
    top: 50%; left: 50%;
    margin: -22px;
    transform: rotate(var(--deg)) translate(160px) rotate(calc(-1 * var(--deg)));
}
.about-content .section-label { display: block; }
.about-lead {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}
.about-text { color: var(--text-secondary); margin-bottom: 32px; }
.about-features { display: flex; flex-direction: column; gap: 14px; }
.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.about-feature i { color: var(--primary-light); font-size: 1.1rem; flex-shrink: 0; }

/* ========================================
   ABOUT - Philosophy
   ======================================== */
.about-philosophy {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
    padding: 20px 24px;
    background: rgba(108, 99, 255, 0.07);
    border-left: 3px solid var(--primary);
    border-radius: 0 12px 12px 0;
}
.philosophy-item { display: flex; flex-direction: column; gap: 4px; }
.philosophy-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 6px;
}
.philosophy-item p {
    font-size: 0.97rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   PHILOSOPHY / 社訓セクション
   ======================================== */
.section-philosophy {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0EAFF 50%, #F0F7FF 100%);
    padding: 90px 0;
    position: relative;
    overflow: hidden;
}
.section-philosophy::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(74, 108, 247, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 108, 247, 0.06) 1px, transparent 1px);
    background-size: 50px 50px;
}
.philosophy-banner {
    position: relative;
    text-align: center;
    margin-bottom: 60px;
    padding: 60px 40px;
    border: 1px solid rgba(74, 108, 247, 0.2);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(74, 108, 247, 0.08);
}
.philosophy-banner-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--secondary);
    text-transform: uppercase;
    margin-bottom: 24px;
    padding: 6px 18px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.05);
}
.philosophy-banner-text {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}
.philosophy-banner-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 600px;
    margin: 0 auto;
}
.philosophy-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}
.philosophy-card {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 40px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(74, 108, 247, 0.06);
}
.philosophy-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.philosophy-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.philosophy-card:hover::after { transform: scaleX(1); }
.philosophy-card-center {
    background: linear-gradient(135deg, rgba(74, 108, 247, 0.08), rgba(14, 165, 233, 0.05));
    border-color: rgba(74, 108, 247, 0.4);
    transform: scale(1.05);
    box-shadow: var(--shadow-card);
}
.philosophy-card-center:hover { transform: scale(1.05) translateY(-8px); }
.philosophy-card-icon {
    width: 64px; height: 64px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 auto 20px;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
}
.philosophy-card h3 {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 14px;
}
.philosophy-card p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.7;
}

/* ========================================
   SERVICES
   ======================================== */
.section-services {
    background: linear-gradient(180deg, #EEF2FF 0%, #F8FAFF 100%);
    text-align: center;
}
.section-services .section-label,
.section-services .section-title { display: block; }
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
/* 8サービス用4列グリッド */
.services-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}
.services-grid-4 .service-card-wide {
    grid-column: span 2;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 28px;
    align-items: start;
}
.services-grid-4 .service-card-wide .service-number,
.services-grid-4 .service-card-wide .service-icon-wrap {
    grid-row: span 1;
}
.services-grid-4 .service-card-wide .service-icon-wrap {
    grid-column: 1;
    grid-row: 2;
    margin-bottom: 0;
    align-self: start;
    margin-top: 4px;
}
.services-grid-4 .service-card-wide .service-number { grid-column: 1 / -1; }
.services-grid-4 .service-card-wide h3,
.services-grid-4 .service-card-wide > p,
.services-grid-4 .service-card-wide .service-list,
.services-grid-4 .service-card-wide .service-link {
    grid-column: 2;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
    pointer-events: none;
}
.service-card > * {
    position: relative;
    z-index: 1;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.service-card.featured {
    border-color: rgba(74, 108, 247, 0.35);
    background: linear-gradient(135deg, rgba(74, 108, 247, 0.06), #FFFFFF);
}
.service-badge {
    position: absolute;
    top: 20px; right: 20px;
    padding: 4px 12px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
}
.service-number {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    opacity: 0.7;
}
.service-icon-wrap {
    width: 56px; height: 56px;
    background: rgba(108, 99, 255, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-light);
    margin-bottom: 20px;
    transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1) rotate(-5deg);
}
.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}
.service-card > p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}
.service-list {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.service-list li {
    font-size: 0.83rem;
    color: var(--text-secondary);
    padding-left: 18px;
    position: relative;
}
.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    transition: var(--transition);
}
.service-link:hover { color: var(--secondary); gap: 12px; }

/* ========================================
   PROCESS
   ======================================== */
.section-process {
    background: #FFFFFF;
    text-align: center;
}
.section-process .section-label,
.section-process .section-title { display: block; }
.process-timeline {
    display: flex;
    align-items: flex-start;
    gap: 0;
    overflow-x: auto;
    padding-bottom: 20px;
}
.process-step {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.process-step-num {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--secondary);
    padding: 4px 12px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
}
.process-step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 28px 20px;
    width: 100%;
    text-align: center;
    transition: var(--transition);
}
.process-step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(108, 99, 255, 0.4); }
.process-icon {
    width: 56px; height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    margin: 0 auto 16px;
}
.process-step-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.process-step-card > p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.process-duration {
    font-size: 0.75rem;
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.process-connector {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 8px;
    margin-top: 60px;
    color: var(--primary);
    opacity: 0.5;
    font-size: 1rem;
}

/* ========================================
   CASES
   ======================================== */
.section-cases {
    background: linear-gradient(180deg, #F8FAFF 0%, #EEF2FF 100%);
    text-align: center;
}
.section-cases .section-label,
.section-cases .section-title { display: block; }
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}
.case-card > * { position: relative; z-index: 1; }
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: transparent; }
.case-card:hover::before { opacity: 0.08; }
.case-industry {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.case-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.4;
}
.case-metrics {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(108, 99, 255, 0.08);
    border-radius: 12px;
}
.case-metric { flex: 1; text-align: center; }
.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.metric-label { font-size: 0.7rem; color: var(--text-muted); line-height: 1.3; }
.case-desc { font-size: 0.87rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.case-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(108, 99, 255, 0.15);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary-light);
}

/* ========================================
   COMPANY（会社概要）
   ======================================== */
.section-company {
    background: #FFFFFF;
    text-align: center;
}
.section-company .section-label,
.section-company .section-title,
.section-company .section-subtitle { display: block; }
.section-company .section-subtitle { margin: 0 auto 60px; }

.company-wrap {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 48px;
    align-items: start;
    text-align: left;
}

/* 左カラム：ロゴ＋理念 */
.company-visual {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}
.company-logo-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.company-logo-block:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(108, 99, 255, 0.4);
}
.company-logo-icon {
    width: 120px; height: 120px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.25);
    padding: 8px;
    border: 2px solid rgba(108, 99, 255, 0.2);
}
.company-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}
.company-logo-name {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.clname-en {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}
.clname-en span { color: var(--secondary); }
.clname-ja {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.company-philosophy-mini {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.cphil-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    border-radius: 0 12px 12px 0;
    transition: var(--transition);
}
.cphil-item:hover { border-color: rgba(108, 99, 255, 0.5); box-shadow: var(--shadow-card); }
.cphil-item i {
    color: var(--primary-light);
    font-size: 1rem;
    margin-top: 3px;
    flex-shrink: 0;
}
.cphil-item p {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

/* 右カラム：テーブル */
.company-table-wrap {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(74, 108, 247, 0.08);
}
.company-table {
    width: 100%;
    border-collapse: collapse;
}
.company-table tr {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.company-table tr:last-child { border-bottom: none; }
.company-table tr:hover { background: rgba(74, 108, 247, 0.03); }
.company-table th {
    width: 200px;
    padding: 22px 24px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: #F0F5FF;
    white-space: nowrap;
    vertical-align: top;
    border-right: 1px solid var(--border);
}
.company-table th i {
    color: var(--primary-light);
    margin-right: 8px;
    width: 16px;
    text-align: center;
}
.company-table td {
    padding: 22px 28px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.9;
    vertical-align: top;
}
.company-table tr:first-child td {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* レスポンシブ */
@media (max-width: 900px) {
    .company-wrap {
        grid-template-columns: 1fr;
    }
    .company-visual { position: static; }
    .company-table th { width: 140px; padding: 18px 16px; }
    .company-table td { padding: 18px 20px; }
}

/* ========================================
   ACHIEVEMENTS
   ======================================== */
.section-achievements {
    background: var(--gradient-primary);
    padding: 80px 0;
    /* グラデーション帯はアクセントとして残す */
}
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.achievement-item {
    text-align: center;
    padding: 20px;
    border-right: 1px solid rgba(255,255,255,0.2);
    position: relative;
}
.achievement-item:last-child { border-right: none; }
.achievement-number {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    color: #fff;
    display: inline;
}
.achievement-plus {
    font-size: 2rem;
    font-weight: 800;
    color: rgba(255,255,255,0.8);
    display: inline;
}
.achievement-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    margin-top: 8px;
}

/* ========================================
   FAQ
   ======================================== */
.section-faq {
    background: #F8FAFF;
}
.section-faq .section-label,
.section-faq .section-title,
.section-faq .section-subtitle { display: block; text-align: center; }
.section-faq .section-subtitle { margin: 0 auto 60px; }
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(74, 108, 247, 0.05);
}
.faq-item:hover { border-color: rgba(74, 108, 247, 0.3); box-shadow: 0 4px 20px rgba(74, 108, 247, 0.1); }
.faq-question {
    width: 100%;
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: none;
    color: var(--text-primary);
    font-size: 0.97rem;
    font-weight: 600;
    text-align: left;
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i {
    flex-shrink: 0;
    color: var(--primary);
    transition: var(--transition);
}
.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer.open { max-height: 300px; }
.faq-answer p {
    padding: 0 28px 24px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

/* ========================================
   ENVIRONMENT（環境づくり）
   ======================================== */
.section-environment {
    background: linear-gradient(180deg, #EEF2FF 0%, #F8FAFF 100%);
    text-align: center;
}
.section-environment .section-label,
.section-environment .section-title { display: block; }
.section-environment .section-subtitle { margin: 0 auto 60px; }

.env-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.env-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 36px 32px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.env-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}
.env-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(108, 99, 255, 0.4);
}
.env-card:hover::before { transform: scaleX(1); }
.env-icon {
    width: 54px; height: 54px;
    background: rgba(108, 99, 255, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-light);
    margin-bottom: 20px;
    transition: var(--transition);
}
.env-card:hover .env-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1) rotate(-5deg);
}
.env-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}
.env-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.85;
}
.env-card p strong {
    color: var(--primary-light);
    font-weight: 600;
}

/* 大切にしている考え方ブロック */
.env-values {
    background: rgba(108, 99, 255, 0.06);
    border: 1px solid rgba(108, 99, 255, 0.25);
    border-radius: 20px;
    padding: 40px 48px;
}
.env-values-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 28px;
}
.env-values-header i {
    font-size: 1.3rem;
    color: var(--accent);
}
.env-values-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}
.env-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.env-value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: var(--transition);
}
.env-value-item:hover {
    border-color: rgba(108, 99, 255, 0.4);
    color: var(--text-primary);
    transform: translateY(-3px);
}
.env-value-item i {
    color: var(--primary-light);
    font-size: 1rem;
    flex-shrink: 0;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .env-values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .env-grid { grid-template-columns: 1fr; }
    .env-values { padding: 28px 20px; }
    .env-values-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .env-values-grid { grid-template-columns: 1fr; }
}

/* ========================================
   CTA
   ======================================== */
.section-cta {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    background: linear-gradient(135deg, #1E40AF 0%, #1D4ED8 40%, #0284C7 100%);
}
.cta-bg {
    position: absolute;
    inset: 0;
}
.cta-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
}
.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 20px;
    color: #FFFFFF;
}
.cta-content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.8;
}
.cta-points {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.cta-points span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}
.cta-points i { color: var(--primary-light); }

/* ========================================
   CONTACT
   ======================================== */
.section-contact {
    background: #FFFFFF;
}
.section-contact .section-label,
.section-contact .section-title,
.section-contact .section-subtitle { display: block; text-align: center; }
.section-contact .section-subtitle { margin: 0 auto 60px; }
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}
.contact-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--primary-light);
}
.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}
.contact-icon {
    width: 44px; height: 44px;
    background: rgba(108, 99, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    flex-shrink: 0;
    font-size: 1rem;
}
.contact-item strong { display: block; font-size: 0.85rem; margin-bottom: 4px; color: var(--text-primary); }
.contact-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}
.contact-social a {
    width: 42px; height: 42px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition);
}
.contact-social a:hover { background: var(--gradient-primary); color: #fff; border-color: transparent; transform: translateY(-3px); }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.required { color: var(--accent); }
.form-group input,
.form-group textarea,
.form-group select {
    padding: 14px 18px;
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: #F8FAFF; }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}
.form-group input.error,
.form-group textarea.error { border-color: var(--accent); }
.form-privacy { }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.checkbox-label a { color: var(--primary-light); text-decoration: underline; }
.checkbox-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.btn-submit {
    padding: 16px 40px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
    width: 100%;
}
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(108, 99, 255, 0.6); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-message {
    padding: 16px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
}
.form-message.success {
    display: block;
    background: rgba(0, 200, 120, 0.1);
    border: 1px solid rgba(0, 200, 120, 0.3);
    color: #00c878;
}
.form-message.error {
    display: block;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--accent);
}

/* ========================================
   FOOTER
   ======================================== */
#footer {
    background: #1E293B;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 20px;
}
.footer-logo i { color: var(--primary); }
.footer-logo > span { color: var(--text-primary); }
.footer-logo-accent { color: var(--secondary); }
.footer-logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 50%;
    background: #fff;
    padding: 2px;
    flex-shrink: 0;
}
.footer-brand p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
}
.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.45);
    transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); padding-left: 6px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.35); }

/* ========================================
   BACK TO TOP
   ======================================== */
#backToTop {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px; height: 48px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
}
#backToTop.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(108, 99, 255, 0.6); }

/* ========================================
   ANIMATIONS & TRANSITIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}
.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .problems-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .services-grid-4 .service-card-wide {
        grid-column: span 2;
        display: block;
    }
    .philosophy-cards { grid-template-columns: repeat(3, 1fr); }
    .philosophy-card-center { transform: scale(1); }
    .philosophy-card-center:hover { transform: translateY(-8px); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }

    .achievements-grid { grid-template-columns: repeat(2, 1fr); }
    .achievement-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
    .achievement-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.2); }
    .achievement-item:last-child { border-bottom: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { height: 300px; }
    .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    section { padding: 70px 0; }
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 80%; max-width: 300px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 30px 40px;
        gap: 8px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border);
        box-shadow: -4px 0 30px rgba(74, 108, 247, 0.1);
    }
    .nav-menu.open { right: 0; }
    .nav-link, .nav-cta { width: 100%; padding: 12px 16px; border-radius: 10px; }
    .problems-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .services-grid-4 { grid-template-columns: 1fr; }
    .services-grid-4 .service-card-wide { grid-column: span 1; }
    .philosophy-cards { grid-template-columns: 1fr; gap: 16px; }
    .philosophy-banner { padding: 40px 24px; }
    .cases-grid { grid-template-columns: 1fr; }

    .achievements-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { flex-direction: column; gap: 24px; padding: 24px; }
    .stat-divider { width: 80%; height: 1px; }
    .stat-item { padding: 0; }
    .process-timeline { flex-direction: column; align-items: stretch; }
    .process-connector { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .contact-wrap { grid-template-columns: 1fr; }
    .problems-solution { flex-direction: column; text-align: center; }
    .cta-points { flex-direction: column; align-items: center; gap: 12px; }
}

@media (max-width: 480px) {

    .hero-actions { flex-direction: column; align-items: center; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .case-metrics { flex-direction: column; gap: 12px; }
    .achievements-grid { grid-template-columns: 1fr; }
    .achievement-item { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.2); }
    .achievement-item:last-child { border-bottom: none; }
}