/* ========================================
   Base Styles & CSS Variables
   ======================================== */

:root {
    /* Color Palette */
    --color-primary: #9A1F24;
    --color-primary-dark: #7A1419;
    --color-primary-soft: #ECD5D6;
    --color-accent: #111827;
    --color-background: #FFFFFF;
    --color-background-alt: #F6F7F9;
    --color-data-accent: #2563EB;
    --color-border: #E5E7EB;
    --color-text: #374151;
    --color-text-light: #6B7280;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 96px;
    --container-max-width: 1200px;
    
    /* Border Radius */
    --radius-card: 16px;
    --radius-button: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.75;
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Container & Layout
   ======================================== */

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

.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.4;
    margin-bottom: 16px;
}

.section-lead {
    font-size: 18px;
    color: var(--color-text-light);
    font-weight: 500;
}

.section-image {
    width: 100%;
    border-radius: var(--radius-card);
    object-fit: cover;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-accent);
}

p {
    margin-bottom: 16px;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    font-weight: 600;
}

.sp-only {
    display: none;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-button);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-hero {
    padding: 18px 48px;
    font-size: 17px;
    font-weight: 600;
    min-width: 200px;
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background-color: white;
    color: var(--color-accent);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-line {
    background-color: #06C755;
    color: white;
    border: none;
}

.btn-line:hover {
    background-color: #05B04C;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-chatwork {
    background-color: #5B7E91;
    color: white;
    border: none;
}

.btn-chatwork:hover {
    background-color: #4A6B7C;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Top Bar
   ======================================== */

.top-bar {
    background-color: var(--color-background-alt);
    border-bottom: none;
    padding: 5px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
}

.top-bar-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

.top-bar-link i {
    font-size: 12px;
    color: var(--color-text-light);
}

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

.top-bar-link:hover i {
    color: var(--color-primary);
}

/* ========================================
   Header
   ======================================== */

.site-header {
    position: fixed;
    top: 27px;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

.logo img {
    height: 40px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

.main-nav a:hover {
    color: var(--color-primary);
}

.btn-header {
    padding: 10px 24px;
    font-size: 15px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 83px;
    left: 0;
    width: 100%;
    background-color: white;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
}

.mobile-menu nav a {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu nav .btn {
    margin-top: 8px;
    border: none;
    color: white !important;
}

.mobile-menu nav .btn i {
    color: white;
}

.mobile-menu.active {
    display: block;
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.6) contrast(1.1) brightness(0.5);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(17, 24, 39, 0.88) 0%,
        rgba(154, 31, 36, 0.75) 100%
    );
}

.hero-content {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-main {
    text-align: center;
}

.hero-labels {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-top: 40px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-label {
    display: inline-block;
}

.hero-label span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 28px;
    background-color: rgba(154, 31, 36, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    color: white;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-label-number {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0;
    margin: 0 2px;
}

.hero-label-primary span {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border: 2px solid #34D399;
    color: white;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-label-accent span {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    border: 2px solid #FBBF24;
    color: white;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-label-secondary span {
    background-color: rgba(255, 215, 0, 0.9);
    border: 2px solid rgba(255, 223, 0, 1);
    color: var(--color-accent);
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
    text-shadow: none;
}

.hero-title {
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-title-main {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(48px, 8vw, 84px);
    font-weight: 900;
    line-height: 1.1;
    color: white;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-title-sub {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.3;
    color: white;
    letter-spacing: 0.05em;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 500;
    line-height: 1.8;
    color: white;
    margin: 0 auto 56px;
    max-width: 700px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 56px;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 32px;
    background-color: rgba(255, 255, 255, 0.18);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    backdrop-filter: blur(15px);
    transition: var(--transition);
}

.hero-stat:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.hero-stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    font-size: 20px;
    color: white;
}

.hero-stat-content {
    text-align: left;
}

.hero-stat-label {
    font-size: 14px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 4px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-stat-text {
    font-size: 16px;
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease 1s backwards;
    margin-bottom: 80px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: fadeIn 1s ease 1.5s backwards;
    z-index: 10;
}

.hero-scroll span {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 2px;
}

.hero-scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.5),
        transparent
    );
    animation: scrollLine 2s ease-in-out infinite;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scrollLine {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(30px);
        opacity: 0;
    }
}

/* ========================================
   Lead Section
   ======================================== */

.lead-section {
    position: relative;
    padding: 120px 0 140px;
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
    overflow: visible;
}

.lead-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-primary) 50%, 
        transparent 100%
    );
}

.lead-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(180deg, 
        transparent 0%,
        rgba(154, 31, 36, 0.02) 50%,
        rgba(154, 31, 36, 0.04) 100%
    );
    pointer-events: none;
}

.lead-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.lead-text {
    font-size: clamp(17px, 2.2vw, 21px);
    font-weight: 400;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 48px;
    position: relative;
    padding-left: 32px;
}

.lead-text::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 4px;
    height: calc(100% - 16px);
    background: linear-gradient(180deg, var(--color-primary-soft) 0%, transparent 100%);
    border-radius: 2px;
}

.lead-text:last-child {
    margin-bottom: 0;
}

.lead-text-strong {
    font-weight: 600;
    color: var(--color-accent);
    font-size: clamp(18px, 2.4vw, 23px);
    line-height: 2.2;
    padding: 40px;
    margin-top: 64px;
    background: linear-gradient(135deg, 
        rgba(154, 31, 36, 0.03) 0%, 
        rgba(154, 31, 36, 0.01) 100%
    );
    border-left: 4px solid var(--color-primary);
    border-radius: 0 12px 12px 0;
    position: relative;
}

.lead-text-strong::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 60px;
    font-family: Georgia, serif;
    color: var(--color-primary-soft);
    line-height: 1;
    opacity: 0.5;
}

.lead-text-strong::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    opacity: 0.05;
    border-radius: 12px 0 12px 0;
}

/* ========================================
   Problem Section
   ======================================== */

.problem-section {
    position: relative;
    background-color: var(--color-background);
    padding-top: 140px;
}

.problem-section::before {
    content: '\f071';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FEF3C7 0%, white 100%);
    border: 3px solid #F59E0B;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.2);
    color: #F59E0B;
    font-size: 32px;
}

.problem-section::after {
    content: none;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.problem-card {
    background-color: var(--color-background-alt);
    padding: 40px 32px;
    border-radius: var(--radius-card);
    text-align: center;
    transition: var(--transition);
}

.problem-card:hover {
    background-color: white;
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 32px;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

.problem-image {
    max-width: 900px;
    margin: 0 auto;
}

/* ========================================
   Solution Section
   ======================================== */

.solution-section {
    background-color: var(--color-background-alt);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.solution-image img {
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-md);
}

.solution-diagram {
    background-color: white;
    padding: 48px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-md);
}

.diagram-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.diagram-step {
    text-align: center;
    flex: 1;
    min-width: 140px;
}

.diagram-step-highlight {
    transform: scale(1.05);
}

.diagram-number {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    font-family: var(--font-secondary);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.diagram-step-highlight .diagram-number {
    background-color: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.diagram-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    white-space: nowrap;
}

.diagram-step p {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.6;
}

.diagram-arrow {
    color: var(--color-border);
    font-size: 20px;
    margin: 0 8px;
}

.diagram-cycle {
    text-align: center;
    padding-top: 32px;
    border-top: 2px dashed var(--color-border);
}

.diagram-cycle i {
    font-size: 40px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.diagram-cycle p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0;
}

/* ========================================
   Mission Section
   ======================================== */

.mission-section {
    background: linear-gradient(135deg, #f6f7f9 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 30%, rgba(154, 31, 36, 0.03) 0%, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(154, 31, 36, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.mission-content {
    position: relative;
    z-index: 1;
}

.mission-intro {
    text-align: center;
    margin-bottom: 64px;
    padding: 48px 32px;
    background-color: white;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-md);
}

.mission-title {
    font-size: clamp(28px, 4.5vw, 44px);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.5;
    margin: 0;
}

.mission-subtitle {
    display: block;
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    color: var(--color-accent);
    margin-top: 16px;
}

.mission-body {
    max-width: 900px;
    margin: 0 auto;
}

.mission-text-block {
    background-color: white;
    padding: 32px 40px;
    border-radius: var(--radius-card);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.mission-text-block p {
    font-size: 17px;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 16px;
}

.mission-text-block p:last-child {
    margin-bottom: 0;
}

.mission-highlight {
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, white 100%);
    border-left: 4px solid var(--color-primary);
    padding: 40px 48px;
    border-radius: var(--radius-card);
    margin: 40px 0;
    box-shadow: var(--shadow-md);
}

.mission-emphasis {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.8;
    margin: 0;
}

.mission-highlight-positive {
    background: linear-gradient(135deg, #fff8e1 0%, white 100%);
    border-left-color: #f59e0b;
    text-align: center;
}

.mission-highlight-positive p {
    font-size: 18px;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 16px;
}

.mission-highlight-positive p:last-child {
    margin-bottom: 0;
}

.mission-highlight-positive strong {
    color: var(--color-accent);
    font-size: 20px;
}

.mission-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f59e0b;
    border-radius: 50%;
    color: white;
    font-size: 28px;
}

.mission-solution {
    background-color: white;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-card);
    padding: 40px;
    margin: 48px 0;
    display: flex;
    gap: 24px;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.mission-solution-icon {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    color: white;
    font-size: 32px;
}

.mission-solution-content {
    flex: 1;
}

.mission-solution-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.mission-solution-content p {
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text);
    margin: 0;
}

.mission-promise {
    background-color: white;
    padding: 48px 40px;
    border-radius: var(--radius-card);
    margin: 48px 0;
    box-shadow: var(--shadow-md);
}

.mission-promise-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.mission-promise-title i {
    color: var(--color-primary);
    font-size: 32px;
}

.mission-promise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.mission-promise-item {
    text-align: center;
}

.mission-promise-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-soft);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 28px;
}

.mission-promise-item p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    margin: 0;
}

.mission-conclusion {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 56px 48px;
    border-radius: var(--radius-card);
    text-align: center;
    margin-top: 48px;
    box-shadow: var(--shadow-lg);
}

.mission-conclusion-main {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.9;
    margin-bottom: 32px;
}

.mission-conclusion-sub {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 16px;
    opacity: 0.95;
}

.mission-conclusion-sub:last-child {
    margin-bottom: 0;
}

.mission-conclusion strong {
    font-weight: 700;
    font-size: 20px;
}

/* ========================================
   Service Section
   ======================================== */

.service-section {
    background-color: var(--color-background);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.service-column {
    background-color: var(--color-background-alt);
    padding: 48px 40px;
    border-radius: var(--radius-card);
}

.service-column-header {
    text-align: center;
    margin-bottom: 40px;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 36px;
}

.service-column-header h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.service-subtitle {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-light);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.service-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.service-list li > i {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-soft);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 12px;
    margin-top: 4px;
}

.service-list li div {
    flex: 1;
}

.service-list strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.service-list p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Trust Section
   ======================================== */

.trust-section {
    background-color: var(--color-background-alt);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.trust-card {
    background-color: white;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.trust-image {
    height: 200px;
    overflow: hidden;
}

.trust-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.85);
}

.trust-content {
    padding: 32px;
}

.trust-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-soft);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 24px;
    margin: 0 auto 20px;
}

.trust-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.trust-content p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Price Section
   ======================================== */

.price-section {
    background-color: var(--color-primary-soft);
}

.price-card {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.price-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 48px;
    text-align: center;
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    color: white;
}

.price-label {
    font-size: 18px;
    font-weight: 500;
}

.price-number {
    font-family: var(--font-secondary);
    font-size: 64px;
    font-weight: 800;
    line-height: 1;
}

.price-unit {
    font-size: 24px;
    font-weight: 600;
}

.price-tax {
    font-size: 16px;
    font-weight: 400;
    opacity: 0.9;
}

.price-content {
    padding: 48px;
}

.price-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.price-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.price-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
}

.price-list li i {
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 16px;
}

.price-note {
    background-color: var(--color-background-alt);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
}

.price-note p {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 8px;
}

.price-note p:last-child {
    margin-bottom: 0;
}

.price-note i {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
}

.price-cta {
    padding: 0 48px 48px;
    text-align: center;
}

/* ========================================
   Case Section
   ======================================== */

.case-section {
    background-color: var(--color-background);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 40px;
}

.case-card {
    background-color: white;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.case-image {
    height: 220px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.85);
}

.case-content {
    padding: 32px;
}

.case-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-primary-soft);
}

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

.case-item:last-child {
    margin-bottom: 0;
}

.case-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.case-item p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Flow Section
   ======================================== */

.flow-section {
    background-color: var(--color-background-alt);
}

.flow-steps {
    max-width: 700px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    background-color: white;
    padding: 32px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
}

.flow-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 800;
    color: white;
}

.flow-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.flow-content p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

.flow-arrow {
    text-align: center;
    padding: 16px 0;
    color: var(--color-primary);
    font-size: 24px;
}

/* ========================================
   FAQ Section
   ======================================== */

.faq-section {
    background-color: var(--color-background);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background-color: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: var(--color-primary-soft);
    box-shadow: var(--shadow-md);
}

.faq-item.active {
    border-color: var(--color-primary);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
    cursor: pointer;
    user-select: none;
    position: relative;
    background: linear-gradient(135deg, 
        rgba(154, 31, 36, 0.02) 0%, 
        rgba(255, 255, 255, 1) 50%
    );
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(135deg, 
        rgba(154, 31, 36, 0.04) 0%, 
        rgba(255, 255, 255, 1) 50%
    );
}

.faq-question-label {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(154, 31, 36, 0.25);
}

.faq-question-label span {
    font-family: var(--font-secondary);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 1px;
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent);
    margin: 0;
    line-height: 1.6;
}

.faq-question-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border-radius: 50%;
    transition: var(--transition);
}

.faq-question-icon i {
    color: var(--color-primary);
    font-size: 16px;
    transition: var(--transition);
}

.faq-item.active .faq-question-icon {
    background-color: var(--color-primary);
}

.faq-item.active .faq-question-icon i {
    transform: rotate(180deg);
    color: white;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background-color: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer {
    padding: 0 32px;
}

.faq-answer-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: white;
    color: var(--color-primary);
    border: 3px solid var(--color-primary);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(154, 31, 36, 0.15);
    margin: 24px 0 20px 0;
    display: inline-flex;
}

.faq-answer-label span {
    font-family: var(--font-secondary);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 1px;
}

.faq-answer-content {
    padding: 0 0 32px 0;
}

.faq-answer-content p {
    padding-left: 0;
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.9;
    margin: 0;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    position: relative;
    padding: 120px 0;
    background-color: var(--color-accent);
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.cta-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8) brightness(0.6);
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.85) 0%, rgba(154, 31, 36, 0.75) 100%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: white;
    line-height: 1.4;
    margin-bottom: 24px;
}

.cta-lead {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 48px;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 64px;
}

.cta-primary-btn {
    width: 100%;
    display: flex;
    justify-content: center;
}

.cta-primary-btn .btn {
    min-width: 320px;
    font-size: 20px;
    padding: 20px 60px;
    font-weight: 700;
}

.cta-secondary-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.offline-area {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-card);
    padding: 48px 40px;
    margin-bottom: 48px;
}

.offline-area-title {
    font-size: 24px;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: 32px;
}

.offline-area-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.offline-area-card {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
}

.offline-area-badge {
    display: inline-block;
    padding: 8px 20px;
    background-color: var(--color-primary);
    color: white;
    font-size: 14px;
    font-weight: 700;
    border-radius: 50px;
    margin-bottom: 16px;
}

.offline-area-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-accent);
    line-height: 1.8;
    margin: 0;
}

.offline-area-note {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.offline-area-note i {
    color: rgba(255, 255, 255, 0.6);
}

.cta-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
}

.cta-info p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
}

.cta-info i {
    color: var(--color-primary-soft);
}

/* ========================================
   Company Section
   ======================================== */

.company-section {
    background-color: var(--color-background-alt);
    padding: 80px 0;
}

.company-title {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    color: var(--color-accent);
    text-align: center;
    margin-bottom: 56px;
}

.company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.company-info-block,
.company-features-block {
    background-color: white;
    border-radius: var(--radius-card);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.company-block-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary-soft);
}

.company-info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.company-info-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
}

.company-info-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light);
}

.company-info-value {
    font-size: 15px;
    font-weight: 400;
    color: var(--color-accent);
    line-height: 1.7;
}

.company-feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.company-feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.company-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-soft);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 20px;
}

.company-feature-content {
    flex: 1;
}

.company-feature-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.company-feature-content p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background-color: var(--color-accent);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column li {
    font-size: 14px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --section-padding: 72px;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .hero-stat {
        padding: 16px 24px;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-promise-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 56px;
    }
    
    .main-nav,
    .btn-header {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .sp-only {
        display: inline;
    }
    
    .top-bar {
        padding: 4px 0;
    }
    
    .top-bar-content {
        gap: 16px;
    }
    
    .top-bar-link {
        font-size: 11px;
    }
    
    .top-bar-link i {
        font-size: 10px;
    }
    
    .site-header {
        top: 25px;
    }
    
    .mobile-menu {
        top: 81px;
    }
    
    .hero-section {
        padding: 105px 0 60px;
    }
    
    .hero-labels {
        gap: 8px;
        margin-top: 32px;
    }
    
    .hero-label span {
        font-size: 11px;
        padding: 8px 20px;
    }
    
    .hero-label-number {
        font-size: 18px;
    }
    
    .hero-title-main {
        font-size: clamp(36px, 10vw, 56px);
    }
    
    .hero-title-sub {
        font-size: clamp(22px, 6vw, 32px);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-stat {
        width: 100%;
        justify-content: flex-start;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 60px;
    }
    
    .btn-hero {
        width: 100%;
        max-width: 400px;
    }
    
    .hero-scroll {
        bottom: 20px;
    }
    
    .lead-section {
        padding: 80px 0 100px;
    }
    
    .lead-section::after {
        height: 80px;
    }
    
    .lead-text {
        font-size: 17px;
        margin-bottom: 40px;
        padding-left: 24px;
    }
    
    .lead-text-strong {
        font-size: 18px;
        padding: 32px 24px;
        margin-top: 48px;
    }
    
    .lead-text-strong::before {
        font-size: 48px;
        top: 8px;
        left: 8px;
    }
    
    .problem-section {
        padding-top: 110px;
    }
    
    .problem-section::before {
        top: 25px;
        width: 60px;
        height: 60px;
        border-width: 2px;
        font-size: 26px;
    }
    
    .problem-section::after {
        content: none;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 20px 24px;
        gap: 16px;
    }
    
    .faq-question-label {
        width: 48px;
        height: 48px;
    }
    
    .faq-question-label span {
        font-size: 24px;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .faq-answer {
        padding: 0 24px;
    }
    
    .faq-answer-label {
        width: 48px;
        height: 48px;
        margin: 20px 0 16px 0;
    }
    
    .faq-answer-label span {
        font-size: 24px;
    }
    
    .faq-answer-content {
        padding: 0 0 24px 0;
    }
    
    .faq-answer-content p {
        font-size: 14px;
        line-height: 1.8;
    }
    
    .solution-diagram {
        padding: 32px 24px;
    }
    
    .diagram-flow {
        flex-direction: column;
        gap: 16px;
    }
    
    .diagram-arrow {
        transform: rotate(90deg);
        margin: 0;
    }
    
    .service-column {
        padding: 32px 24px;
    }
    
    .trust-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .price-header,
    .price-content,
    .price-cta {
        padding: 32px 24px;
    }
    
    .price-number {
        font-size: 48px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-section {
        padding: 80px 0;
    }
    
    .cta-buttons {
        gap: 20px;
        margin-bottom: 48px;
    }
    
    .cta-primary-btn .btn {
        min-width: 280px;
        font-size: 18px;
        padding: 18px 48px;
    }
    
    .cta-secondary-btns {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }
    
    .cta-secondary-btns .btn {
        width: 100%;
        max-width: 400px;
    }
    
    .offline-area {
        padding: 32px 24px;
    }
    
    .offline-area-title {
        font-size: 20px;
    }
    
    .offline-area-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .cta-info {
        font-size: 14px;
    }
    
    .company-section {
        padding: 60px 0;
    }
    
    .company-title {
        margin-bottom: 40px;
    }
    
    .company-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .company-info-block,
    .company-features-block {
        padding: 32px 24px;
    }
    
    .company-info-item {
        grid-template-columns: 80px 1fr;
        gap: 12px;
    }
    
    .mission-intro {
        padding: 32px 24px;
        margin-bottom: 48px;
    }
    
    .mission-text-block {
        padding: 24px 28px;
        margin-bottom: 20px;
    }
    
    .mission-text-block p {
        font-size: 16px;
    }
    
    .mission-highlight {
        padding: 32px 28px;
        margin: 32px 0;
    }
    
    .mission-emphasis {
        font-size: 19px;
    }
    
    .mission-highlight-positive p {
        font-size: 16px;
    }
    
    .mission-highlight-positive strong {
        font-size: 18px;
    }
    
    .mission-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .mission-solution {
        flex-direction: column;
        text-align: center;
        padding: 32px 28px;
        gap: 20px;
    }
    
    .mission-solution-icon {
        margin: 0 auto;
    }
    
    .mission-solution-content h3 {
        font-size: 20px;
    }
    
    .mission-solution-content p {
        font-size: 16px;
    }
    
    .mission-promise {
        padding: 32px 24px;
        margin: 40px 0;
    }
    
    .mission-promise-title {
        font-size: 22px;
        margin-bottom: 32px;
    }
    
    .mission-promise-title i {
        font-size: 26px;
    }
    
    .mission-promise-grid {
        gap: 28px;
    }
    
    .mission-promise-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
    
    .mission-promise-item p {
        font-size: 15px;
    }
    
    .mission-conclusion {
        padding: 40px 28px;
        margin-top: 40px;
    }
    
    .mission-conclusion-main {
        font-size: 19px;
        margin-bottom: 24px;
    }
    
    .mission-conclusion-sub {
        font-size: 16px;
    }
    
    .mission-conclusion strong {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .top-bar-content {
        gap: 12px;
        font-size: 11px;
    }
    
    .top-bar-link {
        font-size: 11px;
    }
    
    .hero-labels {
        gap: 6px;
        margin-top: 28px;
    }
    
    .hero-label span {
        font-size: 10px;
        padding: 6px 16px;
        letter-spacing: 1px;
    }
    
    .hero-label-number {
        font-size: 16px;
    }
    
    .hero-title-main {
        font-size: 32px;
    }
    
    .hero-title-sub {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .hero-stat {
        padding: 16px 20px;
    }
    
    .hero-stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .btn-hero {
        padding: 16px 32px;
        font-size: 16px;
    }
    
    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }
    
    .cta-primary-btn .btn {
        min-width: 240px;
        font-size: 17px;
        padding: 16px 40px;
    }
    
    .offline-area {
        padding: 24px 20px;
    }
    
    .offline-area-title {
        font-size: 18px;
        margin-bottom: 24px;
    }
    
    .offline-area-card {
        padding: 20px 16px;
    }
    
    .offline-area-badge {
        font-size: 13px;
        padding: 6px 16px;
    }
    
    .offline-area-text {
        font-size: 13px;
    }
    
    .offline-area-note {
        font-size: 12px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .faq-question {
        padding: 18px 20px;
        gap: 12px;
    }
    
    .faq-question-label {
        width: 44px;
        height: 44px;
    }
    
    .faq-question-label span {
        font-size: 22px;
    }
    
    .faq-question h3 {
        font-size: 15px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-answer-label {
        width: 44px;
        height: 44px;
        margin: 16px 0 12px 0;
    }
    
    .faq-answer-label span {
        font-size: 22px;
    }
    
    .faq-answer-content {
        padding: 0 0 20px 0;
    }
    
    .faq-answer-content p {
        font-size: 14px;
        line-height: 1.8;
    }
    
    .lead-section {
        padding: 60px 0 80px;
    }
    
    .lead-section::after {
        height: 60px;
    }
    
    .lead-text {
        font-size: 15px;
        margin-bottom: 32px;
        padding-left: 20px;
    }
    
    .lead-text::before {
        width: 3px;
    }
    
    .lead-text-strong {
        font-size: 16px;
        padding: 24px 20px;
        margin-top: 40px;
    }
    
    .lead-text-strong::before {
        font-size: 40px;
        top: 6px;
        left: 6px;
    }
    
    .lead-text-strong::after {
        width: 50px;
        height: 50px;
    }
    
    .problem-section {
        padding-top: 94px;
    }
    
    .problem-section::before {
        top: 20px;
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    
    .problem-section::after {
        content: none;
    }
    
    .company-title {
        font-size: 24px;
    }
    
    .company-info-block,
    .company-features-block {
        padding: 24px 20px;
    }
    
    .company-block-title {
        font-size: 18px;
    }
    
    .company-info-item {
        grid-template-columns: 70px 1fr;
        gap: 10px;
    }
    
    .company-info-label {
        font-size: 13px;
    }
    
    .company-info-value {
        font-size: 14px;
    }
    
    .company-feature-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .company-feature-content h4 {
        font-size: 15px;
    }
    
    .company-feature-content p {
        font-size: 13px;
    }
    
    .service-icon,
    .problem-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
    
    .mission-intro {
        padding: 24px 20px;
        margin-bottom: 40px;
    }
    
    .mission-text-block {
        padding: 20px 24px;
        margin-bottom: 16px;
    }
    
    .mission-text-block p {
        font-size: 15px;
    }
    
    .mission-highlight {
        padding: 24px 24px;
        margin: 28px 0;
    }
    
    .mission-emphasis {
        font-size: 17px;
    }
    
    .mission-highlight-positive p {
        font-size: 15px;
    }
    
    .mission-highlight-positive strong {
        font-size: 17px;
    }
    
    .mission-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .mission-solution {
        padding: 28px 24px;
        gap: 16px;
    }
    
    .mission-solution-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
    
    .mission-solution-content h3 {
        font-size: 18px;
    }
    
    .mission-solution-content p {
        font-size: 15px;
    }
    
    .mission-promise {
        padding: 28px 20px;
        margin: 32px 0;
    }
    
    .mission-promise-title {
        font-size: 19px;
        margin-bottom: 28px;
        flex-direction: column;
        gap: 8px;
    }
    
    .mission-promise-title i {
        font-size: 24px;
    }
    
    .mission-promise-grid {
        gap: 24px;
    }
    
    .mission-promise-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .mission-promise-item p {
        font-size: 14px;
    }
    
    .mission-conclusion {
        padding: 32px 24px;
        margin-top: 32px;
    }
    
    .mission-conclusion-main {
        font-size: 17px;
        margin-bottom: 20px;
    }
    
    .mission-conclusion-sub {
        font-size: 15px;
    }
    
    .mission-conclusion strong {
        font-size: 17px;
    }
}

/* ========================================
   Back to Top Button
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(154, 31, 36, 0.3);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(154, 31, 36, 0.4);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }
}