/* ==========================================
   Smart & Smooth - Landing Page Styles
   会計研修サービス LP
========================================== */

/* === Reset & Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors - Blue Gradient */
    --primary-light: #00D4FF;
    --primary-deep: #0052FF;
    --primary-gradient: linear-gradient(135deg, #00D4FF 0%, #0052FF 100%);
    
    /* Extended Colors */
    --blue-50: #E6F7FF;
    --blue-100: #B3E5FF;
    --blue-200: #80D4FF;
    --blue-500: #0084FF;
    --blue-700: #0052FF;
    --blue-900: #003399;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--gray-900);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--white);
    color: var(--blue-700);
    border: 2px solid var(--blue-700);
}

.btn-secondary:hover {
    background: var(--blue-50);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--blue-700);
    border: 2px solid var(--blue-700);
}

.btn-outline:hover {
    background: var(--blue-700);
    color: var(--white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

.btn-full {
    width: 100%;
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

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

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color var(--transition-base);
}

.nav a:hover {
    color: var(--blue-700);
}

.nav-trial {
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: var(--white) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-trial:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.nav-trial i {
    font-size: 1rem;
}

.nav-cta {
    padding: 0.5rem 1.5rem;
    background: var(--primary-gradient);
    color: var(--white) !important;
    border-radius: var(--radius-md);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-2xl);
    z-index: 1001;
    transition: right var(--transition-base);
    padding: 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
}

.mobile-menu nav a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    font-size: 1.125rem;
}

.mobile-nav-trial {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: var(--white) !important;
    border-radius: var(--radius-md);
    text-align: center;
    justify-content: center;
}

.mobile-nav-trial i {
    font-size: 1rem;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E6F7FF 0%, #B3E5FF 100%);
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(0,82,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-700);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.hero-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.hero-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
}

.hero-feature span {
    text-align: center;
    font-size: 0.875rem;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* === Problems Section === */
.problems {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-base);
}

.problem-card:hover {
    border-color: var(--blue-500);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.problem-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.problem-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.problem-list {
    list-style: none;
}

.problem-list li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.problem-list i {
    color: var(--blue-500);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.problems-solution {
    margin-top: 4rem;
}

.solution-box {
    padding: 3rem;
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.solution-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.6;
}

/* === Strengths Section === */
.strengths {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.strengths-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.strength-item {
    display: grid;
    grid-template-columns: 80px 1fr 180px;
    gap: 2rem;
    align-items: center;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.strength-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--primary-gradient);
}

.strength-reverse {
    grid-template-columns: 80px 1fr 180px;
}

.strength-reverse .strength-visual {
    order: 2;
    justify-content: center;
}

.strength-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--blue-100);
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.strength-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--blue-50);
    color: var(--blue-700);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.strength-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.strength-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-600);
}

.strength-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.strength-icon-large {
    width: 150px;
    height: 150px;
    min-width: 150px;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 50%;
    color: var(--white);
    font-size: 4rem;
    box-shadow: var(--shadow-xl);
    flex-shrink: 0;
}

/* === Programs Section === */
.programs {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.program-card {
    padding: 3rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.program-featured {
    border-color: var(--blue-500);
    background: linear-gradient(180deg, var(--blue-50) 0%, var(--white) 100%);
}

.program-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    padding: 0.5rem 1.5rem;
    background: var(--primary-gradient);
    color: var(--white);
    font-weight: 700;
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
}

.program-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--blue-100);
    color: var(--blue-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.program-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.program-catch {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-left: 4px solid var(--blue-500);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.program-catch i {
    color: var(--blue-500);
    font-size: 1.5rem;
}

.program-overview,
.program-recommended,
.program-testimonials,
.program-achievement,
.program-video,
.program-experience {
    margin-bottom: 2rem;
}

.program-overview h4,
.program-recommended h4,
.program-testimonials h4,
.program-achievement h4,
.program-video h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.program-overview p,
.program-achievement p {
    line-height: 1.8;
    color: var(--gray-700);
}

.program-recommended ul {
    list-style: none;
    padding-left: 0;
}

.program-recommended li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.program-recommended li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blue-500);
    font-weight: 700;
}

.testimonial {
    padding: 1.5rem;
    background: var(--white);
    border-left: 3px solid var(--blue-500);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.testimonial-author {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.program-experience {
    padding: 1.5rem;
    background: var(--blue-50);
    border-left: 4px solid var(--blue-500);
    border-radius: var(--radius-md);
}

.program-experience p {
    line-height: 1.8;
    margin: 0 0 1rem 0;
}

.program-experience i.fas.fa-user {
    color: var(--blue-500);
    font-size: 1.125rem;
    margin-right: 0.5rem;
}

.btn-trial {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: var(--white) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.btn-trial:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.btn-trial i {
    font-size: 1rem;
}

.video-caption {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.programs-custom {
    margin-top: 4rem;
}

.custom-box {
    padding: 3rem;
    background: var(--gray-50);
    border: 2px dashed var(--blue-500);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.custom-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.custom-box p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-700);
}

/* === Trust Section === */
.trust {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.trust-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.trust-subtitle {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trust-subtitle i {
    color: var(--blue-500);
}

.achievement-card {
    display: flex;
    gap: 2rem;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.achievement-logo {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: 3rem;
}

.achievement-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.achievement-subtitle {
    font-size: 1rem;
    color: var(--blue-700);
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievement-description {
    line-height: 1.8;
    color: var(--gray-700);
}

.achievement-others {
    padding: 2rem;
    background: var(--blue-50);
    border-radius: var(--radius-xl);
    margin-top: 2rem;
}

.achievement-others p {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.8;
}

.achievement-others i {
    color: var(--blue-500);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.endorsement-card {
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.endorsement-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.endorsement-text {
    line-height: 1.8;
    margin-bottom: 2rem;
}

.endorsement-quote {
    position: relative;
    padding: 2rem;
    background: var(--blue-50);
    border-left: 4px solid var(--blue-500);
    border-radius: var(--radius-xl);
}

.endorsement-quote i {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--blue-200);
}

.endorsement-quote p {
    font-size: 1.125rem;
    font-weight: 600;
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.endorsement-author {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 600;
}

/* === Profile Section === */
.profile {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.profile-card {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    padding: 4rem;
    background: linear-gradient(135deg, var(--blue-50) 0%, var(--white) 100%);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.profile-image {
    position: relative;
}

.profile-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.profile-name {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.profile-name-reading {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-600);
    margin-left: 1rem;
}

.profile-title {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--gray-700);
}

.profile-additional {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.profile-vision {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.profile-vision i {
    font-size: 1.5rem;
}

.profile-bio h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.profile-bio p {
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 2rem;
}

.profile-credentials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.credential {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.credential i {
    color: var(--blue-500);
    font-size: 1.25rem;
}

.credential span {
    font-size: 0.875rem;
    font-weight: 600;
}

/* === Contact Section === */
.contact {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.contact-content {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.contact-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.contact-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    text-align: left;
}

.contact-note i {
    color: var(--blue-500);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-title i {
    color: var(--blue-500);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
}

.required {
    color: #EF4444;
    font-size: 0.875rem;
    margin-left: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-500);
}

.form-privacy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-privacy input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-privacy a {
    color: var(--blue-700);
    text-decoration: underline;
    font-weight: 600;
    transition: color var(--transition-base);
}

.form-privacy a:hover {
    color: var(--blue-500);
}

/* === Footer === */
.footer {
    padding: 3rem 0 1.5rem;
    background: var(--gray-900);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-links h4,
.footer-info h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-info p {
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* === Scroll to Top Button === */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
}

/* === Animations === */
.fade-in {
    animation: fadeIn 1s ease-in-out;
}

.fade-in-up {
    animation: fadeInUp 1s ease-in-out;
}

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

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

.scroll-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .strength-item,
    .strength-reverse {
        grid-template-columns: 1fr;
    }
    
    .strength-number {
        writing-mode: horizontal-tb;
    }
    
    .strength-reverse .strength-visual {
        order: 0;
    }
    
    .profile-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 0.75rem;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .programs {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* プログラムカードのスマホ対応 */
    .programs-grid {
        gap: 2rem;
    }
    
    .program-card {
        padding: 1.5rem 1rem;
        margin: 0 -1rem;
        border-left: none;
        border-right: none;
        border-radius: 0;
    }
    
    .program-name {
        font-size: 1.5rem;
        word-break: break-word;
        line-height: 1.3;
    }
    
    .program-card * {
        max-width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .program-catch {
        font-size: 0.95rem;
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .program-catch i {
        font-size: 1.25rem;
    }
    
    .program-overview,
    .program-recommended,
    .program-testimonials,
    .program-achievement,
    .program-experience {
        margin-bottom: 1.5rem;
    }
    
    .program-recommended ul {
        padding-left: 0;
    }
    
    .program-recommended li {
        padding-left: 1.25rem;
        font-size: 0.9rem;
    }
    
    .testimonial {
        padding: 1rem;
    }
    
    .btn-trial {
        width: 100%;
        justify-content: center;
        padding: 0.875rem;
        font-size: 0.875rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-card {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .profile-credentials {
        grid-template-columns: 1fr;
    }
    
    .profile-card {
        padding: 1.5rem 1rem;
    }
    
    .contact-content {
        padding: 0;
    }
    
    .contact-notes {
        flex-direction: column;
        padding: 0;
        margin: 0;
    }
    
    .contact-note {
        padding: 0;
        max-width: 100%;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem 1rem;
        margin: 0;
    }
    
    /* 動画コンテナのスマホ対応 */
    .program-video {
        padding: 1rem;
        margin: 0 -1rem;
        width: calc(100% + 2rem);
    }
    
    .video-wrapper {
        margin: 0;
        width: 100%;
        max-width: 100%;
        border-radius: 0;
    }
    
    /* カードのスマホ対応 */
    .endorsement-card {
        padding: 1.5rem 1rem;
        margin: 0 -1rem;
        border-radius: 0;
    }
    
    .endorsement-header h4 {
        font-size: 1.25rem;
    }
    
    .endorsement-quote {
        padding: 1.5rem 1rem;
        padding-top: 3rem;
    }
    
    .endorsement-quote i {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 1.5rem;
        opacity: 0.5;
    }
    
    .endorsement-quote p {
        font-size: 1rem;
        padding-right: 0;
    }
    
    /* ボタンのスマホ対応 */
    .btn-outline {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        white-space: normal;
        line-height: 1.4;
        word-break: break-word;
    }
    
    .endorsement-action {
        padding: 0 !important;
        margin: 1.5rem 0 1rem !important;
    }
    
    .endorsement-action .btn {
        width: 100%;
        max-width: 100%;
        padding: 0.875rem 0.75rem;
    }
    
    .pc-only {
        display: none;
    }
}

@media (min-width: 769px) {
    .sp-only {
        display: none;
    }
}