:root {
    /* Color Palette - Light Version */
    --bg: #F8FAFD;
    --panel: #FFFFFF;
    --panel-border: #E1E8F0;
    --text: #061A2B;
    --muted: #52687D;

    /* Stronger colors for Light Mode */
    --primary: #0066CC;
    --primary-2: #009094;
    --accent: #E60045;
    --warning: #E89500;
    --success: #00B377;

    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-2));

    /* Spacing */
    --section-padding: 72px 0;
    --section-padding-sp: 48px 0;
    --container-width: 1100px;
    --container-padding: 20px;

    /* Radius & Shadow */
    --radius-card: 16px;
    --radius-btn: 50px;
    --shadow-card: 0 8px 30px rgba(6, 26, 43, 0.08);

    /* Font */
    --font-base: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
}

/* Animation Classes */
.animate-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-base);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    /* 15-17px range */
    overflow-x: hidden;
    position: relative;
}

/* Abstract Background - Lighter/Cleaner for White Theme */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background:
        radial-gradient(circle at 5% 10%, rgba(0, 102, 204, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 95% 90%, rgba(0, 144, 148, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.4;
    font-weight: 700;
    color: var(--text);
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--panel-border);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.03);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 15px var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav a {
    font-size: 0.9rem;
    color: var(--text);
    position: relative;
}

.nav a:not(.nav-cta):hover {
    color: var(--primary);
}

.nav a.active:not(.nav-cta) {
    color: var(--primary);
    font-weight: 700;
}

.menu-toggle {
    display: none;
}

.nav-cta {
    background: var(--gradient-primary);
    color: #FFF !important;
    padding: 8px 20px;
    border-radius: var(--radius-btn);
    font-weight: bold;
    font-size: 0.85rem !important;
    box-shadow: 0 4px 10px rgba(0, 102, 204, 0.2);
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(0, 102, 204, 0.3);
}

/* Common UI Components */
/* In Light Mode: Cards are solid white with shadow */
.glass-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-card);
    padding: 32px;
    box-shadow: var(--shadow-card);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-btn);
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFF;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.05);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(0, 102, 204, 0.04);
    transform: translateY(-2px);
}

.section-header {
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    /* ~32px */
    margin-bottom: 12px;
    color: var(--text);
    border-left: 6px solid var(--primary);
    padding-left: 16px;
    display: inline-block;
}

.section-line {
    height: 3px;
    /* Slightly thicker for light mode presence */
    width: 60px;
    background: var(--accent);
    margin-left: 22px;
    border-radius: 2px;
}

.section-subtitle {
    margin-top: 12px;
    margin-left: 22px;
    font-size: 1rem;
    color: var(--muted);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-image: url('../img/top.webp');
    background-size: cover;
    background-position: center;
    position: relative;
    z-index: 1;
}

/* Light Overlay for readability on light version */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    /* Reduced overlay strength */
    z-index: -1;
}

.hero-container {
    display: block;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 24px;
    font-weight: 600;
}

.hero-content {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.4;
    margin-bottom: 40px;
    color: var(--text);
    white-space: nowrap;
}

/* Response for smaller screens */
@media (max-width: 900px) {
    .hero-title {
        white-space: normal;
        font-size: 2.2rem;
    }
}

.hero-features {
    margin-bottom: 40px;
    color: var(--text);
    font-size: 1.1rem;
    display: flex;
    gap: 24px;
    justify-content: center;
}

.hero-features li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 12px;
}

.hero-features li strong {
    font-size: 1.2rem;
    color: var(--text);
    background: linear-gradient(transparent 60%, rgba(0, 102, 204, 0.1) 60%);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: #FFF;
    border: 3px solid var(--primary);
    padding: 12px 24px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.15);
    transform: scale(1.1);
    animation: badge-pop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes badge-pop {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }

    100% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.badge-icon {
    font-size: 1.8rem;
    margin-right: 12px;
}

.badge-text {
    font-size: 1.1rem;
    font-weight: 500;
}

.badge-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    margin: 0 4px;
    font-family: 'Arial', sans-serif;
    line-height: 1;
}

.badge-unit {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary);
}

.hero-actions {
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: center;
    justify-content: center;
}

.hero-image {
    display: none;
}


/* About Section */
.section-intro-content {
    margin-bottom: 56px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-intro-text {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--text);
    padding: 32px 48px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(45, 226, 230, 0.05));
    border-radius: 12px;
    border: 1px solid rgba(0, 102, 204, 0.1);
    display: inline-block;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.section-intro-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 0 0 4px 4px;
}

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

.card-num {
    font-size: 3rem;
    color: #EBEFF5;
    /* Light gray for subtle number */
    font-weight: 900;
    line-height: 1;
    margin-bottom: -10px;
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.card p {
    color: var(--muted);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

/* Stats Section */
.stat-card {
    text-align: center;
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.stat-label {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--muted);
    font-weight: bold;
}

.stat-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-value .unit {
    font-size: 1.2rem;
    margin-left: 4px;
    color: var(--text);
}

.stat-bar {
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 4px;
    margin: 0 auto 24px auto;
    width: 100%;
}

.stat-insight {
    margin-top: auto;
    background: #F0F6FF;
    /* Light blue tint for light mode */
    padding: 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: left;
    border-left: 3px solid var(--accent);
}

.stat-source {
    font-size: 0.75rem;
    color: var(--muted);
    text-align: right;
    margin-top: 8px;
    width: 100%;
}

.stat-insight strong {
    color: var(--primary);
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
}

.highlight-text {
    color: var(--accent);
    font-weight: bold;
    display: inline-block;
    margin-top: 4px;
}

.bg-conclusion {
    margin: 48px auto;
    text-align: center;
    max-width: 900px;
    background: linear-gradient(135deg, #F0F6FF, #E6FFFA);
    border: 1px solid var(--primary);
    font-size: 1.2rem;
    line-height: 1.8;
}

.bg-conclusion strong {
    display: block;
    margin-top: 16px;
    font-size: 1.4rem;
    color: var(--primary);
}

/* Values Grid Update */
.value-card h3 {
    margin-bottom: 8px;
    color: var(--text);
    font-size: 1.3rem;
}

.value-catch {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--panel-border);
}

.value-list {
    text-align: left;
    font-size: 0.95rem;
    color: var(--muted);
}

.value-list li {
    margin-bottom: 8px;
    padding-left: 18px;
    position: relative;
}

.value-list li::before {
    content: '▶';
    font-size: 0.6rem;
    color: var(--primary);
    position: absolute;
    left: 0;
    top: 6px;
}

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

.value-card {
    text-align: center;
    border-top: 4px solid var(--accent);
}

/* .value-card h3 handled above */

/* Instructors */
.instructors-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.instructor-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
}

.role {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: bold;
    display: inline-block;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 2px;
}

.instructor-img {
    width: 200px;
    height: 300px;
    border-radius: 8px;
    background-color: #E0E0E0;
    background-size: cover;
    background-position: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.instructor-info .instructor-name {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--text);
    letter-spacing: 0.25em;
    font-weight: 500;
}

.instructor-info h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--text);
    letter-spacing: 0.05em;
}

.instructor-info .org {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 16px;
}

.bio-list {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
}

.bio-list li {
    padding-left: 14px;
    position: relative;
}

.bio-list li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--text);
}

.instructor-total {
    margin-top: 16px;
    font-size: 1.4rem;
    color: var(--muted);
    letter-spacing: 0.05em;
}

.instructors-wrapper {
    background: #E8F1FB;
    padding: 40px;
    border-radius: 24px;
    margin-bottom: 32px;
}

.instructor-card {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
}

.partner-card {
    background: #FFFFFF;
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-card);
}

.partner-title {
    font-size: 1.35rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
    display: inline-block;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 4px;
    letter-spacing: 0.15em;
}

.partner-info-text {
    font-size: 1.1rem;
    color: var(--text);
    letter-spacing: 0.05em;
}

.partner-img-link {
    display: block;
    width: 200px;
    height: 300px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.partner-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: #fff;
}

/* Strengths */
.strength-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.strength-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.strength-num {
    background: var(--gradient-primary);
    color: #FFF;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
}

.strength-text {
    align-self: center;
    font-size: 1.1rem;
    font-weight: 500;
}

.strength-compare-v2 {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-top: 16px;
    gap: 0;
}

.compare-row {
    padding: 24px;
    width: 100%;
    position: relative;
    border-radius: 8px;
}

.compare-row h4,
.compare-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: bold;
    color: var(--text);
    text-align: center;
    display: block;
    width: 100%;
}

.compare-row.before {
    background: #F8FAFD;
    border: 1px dashed #CAD3DE;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
}

.compare-row.after {
    background: #E6F4FF;
    border: 3px solid var(--primary);
    border-radius: 0 0 12px 12px;
    position: relative;
    z-index: 1;
    margin-top: -1px;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.1);
}

.compare-row.after .compare-title {
    color: var(--primary);
    font-size: 1.4rem;
}

/* Big Arrow between rows */
.strength-compare-v2::after {
    display: none;
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 8px;
}

.step-box {
    background: #FFF;
    border: 1px solid #E1E8F0;
    padding: 12px 4px;
    border-radius: 6px;
    font-size: 1rem;
    text-align: center;
    color: var(--text);
    flex: 1;
    min-height: 84px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    line-height: 1.3;
}

.step-box.gray {
    color: var(--muted);
    background: #F3F4F6;
    border-color: #E1E8F0;
}

.step-box.highlight {
    border-color: var(--primary);
    color: var(--primary);
    font-weight: bold;
    background: #FFF;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
}

.step-box.highlight-filled {
    background: var(--gradient-primary);
    color: #FFF;
    border: none;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.step-arrow {
    color: #9CA3AF;
    font-size: 0.8rem;
    flex: 0 0 auto;
    margin: 0 2px;
}

.compare-row.after .step-arrow {
    color: var(--primary);
}

/* Mobile responsive for flow */
@media (max-width: 768px) {
    .flow-steps {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .step-arrow {
        transform: rotate(90deg);
        text-align: center;
        margin: -4px 0;
    }
}

/* Schedule Table */
/* Schedule */
.schedule-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text);
}

.schedule-intro strong {
    color: var(--primary);
    font-size: 1.3rem;
}

.table-scrollables {
    overflow-x: auto;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.schedule-table th,
.schedule-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--panel-border);
}

.schedule-table th {
    background: #F0F6FF;
    color: var(--primary);
    white-space: nowrap;
    font-weight: bold;
}

.schedule-table .center {
    text-align: center;
}

/* Industry Tabs */
.industry-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.industry-tab {
    padding: 10px 24px;
    border: 2px solid var(--panel-border);
    border-radius: 50px;
    background: var(--panel);
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: var(--font-base);
}

.industry-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 102, 204, 0.04);
}

.industry-tab.active {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Curriculum Pricing Block */
.curriculum-pricing {
    margin-top: 16px;
    padding: 20px 24px;
    border-top: 3px solid var(--primary);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03), rgba(0, 144, 148, 0.03));
    text-align: center;
}

.curriculum-pricing .table-scrollables {
    display: flex;
    justify-content: center;
}

.curriculum-pricing .schedule-table {
    width: auto;
    min-width: 320px;
}

.curriculum-pricing .schedule-table th,
.curriculum-pricing .schedule-table td {
    text-align: center;
}

.curriculum-pricing-title {
    font-size: 1.05rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

/* Cases */
.satisfaction-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
}

.pie-chart-mock {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: conic-gradient(var(--primary) 0% 92%, #E1E8F0 92% 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.pie-chart-mock::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background: #FFF;
    /* Donut hole */
    border-radius: 50%;
    z-index: 1;
}

.pie-val {
    position: relative;
    z-index: 2;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

.pie-label {
    position: relative;
    z-index: 2;
    font-size: 0.8rem;
    color: var(--muted);
}

.satisfaction-text h3 {
    margin-bottom: 16px;
}

.highlight {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.repeat-badge {
    margin-top: 16px;
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: bold;
}

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

.gallery-item {
    text-align: center;
    padding: 16px;
}

.gallery-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    margin-bottom: 12px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Price & Subsidy */
.duration-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px;
    margin-bottom: 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(232, 241, 251, 0.5));
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.flow-step {
    flex: 1;
    text-align: center;
    padding: 16px;
    position: relative;
    z-index: 1;
}

.flow-step .step-label {
    display: inline-block;
    padding: 4px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 12px;
}

.flow-step h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 700;
}

.flow-step p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.5;
}

.flow-step.highlight {
    background: rgba(0, 102, 204, 0.05);
    border-radius: 12px;
    padding: 24px 16px;
    margin: -8px 0;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.flow-connector {
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0.3;
    padding: 0 10px;
    font-weight: bold;
}

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }

    .header-inner {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }

    .nav {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav a {
        font-size: 0.8rem;
    }

    .hero {
        padding-top: 160px;
        /* ヘッダーの重なり解消 */
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.4;
    }

    .instructor-card {
        grid-template-columns: 1fr !important;
        gap: 24px;
        text-align: center;
    }

    .instructor-img {
        margin: 0 auto;
        width: 180px;
        height: 270px;
    }

    .instructor-info .instructor-name {
        letter-spacing: 0.1em;
        font-size: 1.6rem;
    }

    .instructor-info .org {
        font-size: 0.8rem;
        word-break: break-all;
    }

    .bio-list {
        text-align: left;
        display: inline-block;
    }

    .duration-flow {
        flex-direction: column;
        gap: 16px;
        padding: 24px 16px;
    }

    .flow-connector {
        transform: rotate(90deg);
        padding: 0;
        margin: -4px 0;
    }

    .flow-step {
        width: 100%;
        padding: 12px;
    }

    .flow-step.highlight {
        margin: 0;
        padding: 16px;
    }
}

/* Price */
.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.pricing-formats-desc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.format-desc-item {
    padding: 24px;
    border-top: 4px solid var(--primary);
    display: flex;
    flex-direction: column;
}

.format-desc-item h4 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.format-desc-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--muted);
    margin: 0;
}

@media (max-width: 768px) {
    .pricing-formats-desc {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.price-card {
    text-align: center;
    padding: 32px 24px;
}

.format-label {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.price-card h3 {
    margin-bottom: 16px;
    color: var(--text);
    border-top: 4px solid var(--primary);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin: 16px 0;
}

.price .unit {
    font-size: 1.5rem;
    margin-left: 4px;
}

.price .per-person {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: normal;
    margin-left: 6px;
}

.price .tax {
    font-size: 0.9rem;
    font-weight: normal;
    color: var(--muted);
}

.price-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 48px;
}

.subsidy-card {
    border: 2px solid var(--warning);
    position: relative;
    text-align: center;
    padding-top: 48px;
    background: #FFFBF0;
    /* Slight warm tint for subsidy card */
}

.subsidy-tag {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--warning);
    color: #FFF;
    /* White text on yellow/orange for contrast */
    font-weight: bold;
    padding: 8px 24px;
    border-radius: 50px;
    box-shadow: 0 4px 10px rgba(232, 149, 0, 0.4);
}

.accent-text {
    color: var(--warning);
    font-size: 2.5rem;
}

.subsidy-example {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    flex-wrap: nowrap;
}

.subsidy-arrow {
    font-size: 1.5rem;
    color: var(--warning);
    font-weight: bold;
}

.example-box {
    background: #FFF;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.highlight-box {
    border: 1px solid var(--warning);
    background: #FFF;
    color: var(--warning);
}

.highlight-box .amount {
    color: var(--warning);
}

.example-box .amount {
    font-size: 1.5rem;
    font-weight: bold;
}

.subsidy-note {
    font-size: 0.85rem;
    color: var(--muted);
}

/* FAQ */
.faq-list details {
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #FFF;
    /* Explicit white for details */
}

.faq-list summary {
    font-weight: bold;
    list-style: none;
    /* simple reset */
    position: relative;
    padding-right: 30px;
    color: var(--text);
}

/* Custom arrow */
.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
    color: var(--primary);
    line-height: 1;
}

.faq-list details[open] summary::after {
    content: '-';
}

.faq-list details[open] summary {
    margin-bottom: 16px;
    color: var(--primary);
}

.faq-list .answer {
    line-height: 1.8;
    color: var(--muted);
    border-top: 1px solid var(--panel-border);
    padding-top: 16px;
}

/* Contact */
.contact-intro {
    text-align: center;
    margin-bottom: 32px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: #F9FAFC;
    border: 1px solid #CFD7E0;
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    transition: 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #FFF;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-actions {
    text-align: center;
    margin-top: 32px;
}

.btn-submit {
    min-width: 200px;
}

.contact-info {
    text-align: center;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--panel-border);
}

.info-detail {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary);
    margin-top: 8px;
}

/* Footer */
.footer {
    background: #F0F2F5;
    /* Light gray footer */
    padding: 40px 0;
    font-size: 0.9rem;
    color: var(--muted);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    margin-left: 24px;
}

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

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }

    /* Fix overflow and shaking */
    html,
    body {
        overflow-x: hidden;
        width: 100%;
        position: relative;
    }

    /* Hamburger Menu Toggle */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
        position: relative;
        margin-right: 0;
        /* 右端に寄せる */
    }

    .menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--primary);
        transition: 0.3s;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(9.5px) rotate(45deg);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-9.5px) rotate(-45deg);
    }

    .header-inner {
        width: 100%;
        box-sizing: border-box;
        padding: 16px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--panel);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        padding: 60px 20px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        z-index: 1000;
        display: flex !important;
    }

    .nav.active {
        right: 0;
    }

    .nav a {
        font-size: 1rem;
        width: 100%;
        text-align: center;
        padding: 10px 0;
    }

    .nav-cta {
        margin-top: 10px;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.4;
    }

    .hero-actions {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .hero-actions .btn {
        width: 100%;
        padding: 16px 20px;
        font-size: 0.95rem;
        white-space: nowrap;
        justify-content: center;
    }

    /* Features List optimization */
    .hero-features {
        flex-direction: column !important;
        align-items: center;
        gap: 12px;
        margin: 32px auto;
        padding: 0;
        max-width: 320px;
        /* 枠の幅を制限 */
    }

    .hero-features li {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        /* 左揃え */
        font-size: 1rem;
        padding: 12px 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        text-align: left;
        box-sizing: border-box;
    }

    /* Instructors Grid */
    .instructors-grid {
        grid-template-columns: 1fr !important;
        gap: 40px;
    }

    .instructor-card {
        grid-template-columns: 1fr !important;
        gap: 24px;
        text-align: center;
        max-width: 100%;
        width: 100%;
    }

    .instructor-img {
        margin: 0 auto;
        width: 180px;
        height: 270px;
    }

    .instructor-info {
        padding-top: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .instructor-info .instructor-name {
        letter-spacing: 0.1em;
        font-size: 1.6rem;
        margin-bottom: 8px;
    }

    .instructor-info .org {
        font-size: 0.8rem;
        word-break: break-all;
    }

    .bio-list {
        text-align: left;
        display: inline-block;
        margin: 16px 0;
        width: 100%;
        max-width: 280px;
    }

    .cards-grid-3,
    .stats-grid,
    .values-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .duration-flow {
        flex-direction: column;
        gap: 16px;
        padding: 24px 16px;
    }

    .flow-connector {
        transform: rotate(90deg);
        padding: 0;
        margin: -4px 0;
    }

    .flow-step {
        width: 100%;
        padding: 12px;
    }

    .flow-step.highlight {
        margin: 0;
        padding: 16px;
    }

    .subsidy-example {
        flex-direction: column;
        gap: 8px;
    }

    .subsidy-arrow {
        transform: rotate(90deg);
        margin: 4px 0;
    }

    .section-intro-text {
        text-align: left;
        font-size: 0.95rem;
    }

    .satisfaction-area {
        flex-direction: column;
        gap: 32px;
        text-align: center;
        padding: 40px 20px;
    }

    .pie-chart-mock {
        margin: 0 auto;
    }

    .price-card {
        padding: 24px 16px;
    }

    .price {
        font-size: 2rem;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: baseline;
        gap: 4px;
    }

    .price-desc {
        font-size: 0.9rem;
        line-height: 1.6;
        word-break: keep-all;
        overflow-wrap: anywhere;
        text-align: left;
        display: inline-block;
        max-width: 100%;
    }

    .footer-container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-logo {
        font-size: 0.85rem;
    }

    .footer-links {
        margin: 0;
    }

    .footer-links a {
        margin: 0;
        font-size: 0.75rem;
    }

    .copyright {
        font-size: 0.7rem;
    }
}

.price-unit {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--muted);
    margin-left: 2px;
}

/* Schedule / Curriculum Table */
.schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.schedule-table th,
.schedule-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--panel-border);
    vertical-align: top;
    text-align: left;
}

.schedule-table thead th {
    background: rgba(0, 102, 204, 0.08);
    color: var(--primary);
    font-weight: 700;
    white-space: nowrap;
}

.schedule-table tbody tr:last-child td {
    border-bottom: none;
}

.schedule-table tbody tr:hover {
    background: rgba(0, 102, 204, 0.04);
}

.schedule-table td.center {
    text-align: center;
}

.nowrap {
    white-space: nowrap;
}

.curriculum-detail {
    margin: 0;
    padding-left: 1.4em;
    list-style: decimal;
    line-height: 1.8;
}

.curriculum-detail li {
    margin-bottom: 2px;
    color: var(--muted);
    font-size: 0.88rem;
}