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

:root {
    --color-primary: #1a3a5c;
    --color-secondary: #2c5282;
    --color-accent: #f59e0b;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #1a3a5c;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --font-main: 'Noto Sans JP', sans-serif;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ========================================
   Button Styles
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

.btn-header {
    padding: 10px 24px;
    background-color: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    font-size: 14px;
    font-weight: 700;
}

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

.btn-cta {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ========================================
   Header
======================================== */
.header {
    background-color: var(--color-primary);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    color: white;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

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

.hero-label {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.5;
    margin-bottom: 24px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-title .highlight {
    color: var(--color-accent);
    display: inline-block;
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

/* ========================================
   Section Title
======================================== */
.section-title {
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-primary);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #ea580c);
    border-radius: 2px;
}

/* ========================================
   Problems Section
======================================== */
.problems {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.problem-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-icon i {
    font-size: 36px;
    color: white;
}

.problem-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

.problem-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ========================================
   Reason Section
======================================== */
.reason {
    padding: 80px 0;
    background-color: white;
}

.reason-content {
    max-width: 900px;
    margin: 0 auto;
}

.reason-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 6px solid var(--color-accent);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.reason-subtitle {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.reason-main {
    font-size: 20px;
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 500;
}

.reason-main .emphasis {
    color: var(--color-accent);
    font-weight: 900;
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
}

.reason-explain {
    margin-bottom: 40px;
}

.reason-explain p {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 40px;
}

.reason-solution {
    background-color: var(--color-bg-light);
    padding: 40px;
    border-radius: 12px;
}

.reason-solution h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 30px;
    text-align: center;
}

.solution-points {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.solution-point {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 30px;
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.solution-point i {
    font-size: 48px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.solution-point p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
}

.plus-icon {
    font-size: 32px;
    font-weight: 900;
    color: var(--color-accent);
}

.reason-conclusion {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
}

.conclusion-text {
    font-size: 18px;
    line-height: 2;
    color: white;
    font-weight: 500;
}

/* ========================================
   Points Section
======================================== */
.points {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.points-list {
    max-width: 1000px;
    margin: 0 auto;
}

.point-item {
    display: flex;
    gap: 30px;
    background-color: white;
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.point-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.point-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
    color: white;
    font-size: 28px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.point-content {
    flex: 1;
}

.point-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.point-text {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
}

.point-text strong {
    color: var(--color-accent);
    font-weight: 700;
}

.point-detail {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid var(--color-border);
}

.growth-chart {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.growth-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.growth-bar {
    background: linear-gradient(90deg, #cbd5e1 0%, #94a3b8 100%);
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
}

.growth-bar.highlight-bar {
    background: linear-gradient(90deg, var(--color-accent) 0%, #ea580c 100%);
}

.growth-bar span {
    color: white;
    font-weight: 700;
    font-size: 16px;
}

.growth-item p {
    font-size: 16px;
    color: var(--color-text);
    margin: 0;
}

/* ========================================
   Program Section
======================================== */
.program {
    padding: 80px 0;
    background-color: white;
}

.program-intro {
    text-align: center;
    font-size: 20px;
    color: var(--color-text);
    margin-bottom: 60px;
    line-height: 1.8;
}

.program-intro strong {
    color: var(--color-accent);
    font-weight: 700;
}

.program-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 24px;
}

.program-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    background-color: var(--color-bg-light);
    padding: 30px;
    border-radius: 16px;
    border-left: 4px solid var(--color-accent);
    transition: var(--transition);
}

.program-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.program-item.highlight-program {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: #ea580c;
    box-shadow: var(--shadow-md);
}

.program-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.program-item.highlight-program .program-icon {
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
}

.program-icon i {
    font-size: 28px;
    color: white;
}

.program-text {
    flex: 1;
}

.program-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.program-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

/* ========================================
   Training Photos Section
======================================== */
.training-photos {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.photos-intro {
    text-align: center;
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: 60px;
    line-height: 1.8;
}

.photos-intro strong {
    color: var(--color-accent);
    font-weight: 700;
}

/* Photos Grid */
.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.photo-card {
    background-color: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.photo-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.photo-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.photo-caption-box {
    padding: 24px;
    background-color: white;
}

.photo-caption-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.photo-caption-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ========================================
   Benefits Section
======================================== */
.benefits {
    padding: 80px 0;
    background-color: var(--color-bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.benefit-card {
    background-color: white;
    padding: 50px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border-top: 5px solid var(--color-accent);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon i {
    font-size: 36px;
    color: white;
}

.benefit-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.7;
    color: var(--color-primary);
}

/* ========================================
   Details Section
======================================== */
.details {
    padding: 80px 0;
    background-color: white;
}

.details-content {
    max-width: 800px;
    margin: 0 auto;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.detail-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--color-bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

.detail-item:hover {
    background-color: var(--color-primary);
    color: white;
}

.detail-item:hover .detail-label {
    color: white;
}

.detail-item:hover .detail-label i {
    color: var(--color-accent);
}

.detail-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.detail-label i {
    font-size: 18px;
    color: var(--color-accent);
}

.detail-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.detail-item:hover .detail-value {
    color: white;
}

/* ========================================
   CTA Section
======================================== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

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

.cta-title {
    font-size: 34px;
    font-weight: 900;
    line-height: 1.6;
    margin-bottom: 24px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-text {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 50px;
    opacity: 0.95;
}

/* Google Form Container */
.form-container {
    background-color: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.form-container iframe {
    border-radius: 8px;
    display: block;
}

/* ========================================
   Footer
======================================== */
.footer {
    background-color: #0f1419;
    color: #9ca3af;
    padding: 40px 0;
    text-align: center;
}

.footer-company {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-link {
    color: #9ca3af;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-link:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-link i {
    font-size: 16px;
}

.footer-copy {
    font-size: 14px;
}

/* ========================================
   Scroll to Top Button
======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #ea580c 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

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

.scroll-top i {
    font-size: 20px;
}

/* ========================================
   Animations
======================================== */
[data-animation] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animation].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 26px;
        margin-bottom: 40px;
    }

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

    .problems-grid {
        grid-template-columns: 1fr;
    }

    .solution-points {
        flex-direction: column;
    }

    .plus-icon {
        transform: rotate(90deg);
    }

    .point-item {
        flex-direction: column;
        padding: 30px 24px;
    }

    .point-number {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .point-title {
        font-size: 18px;
    }

    .program-item {
        flex-direction: column;
        padding: 24px 20px;
    }

    .program-icon {
        width: 50px;
        height: 50px;
    }

    .program-icon i {
        font-size: 24px;
    }

    .program-title {
        font-size: 18px;
    }

    .program-desc {
        font-size: 15px;
    }

    .photos-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .photo-card img {
        height: 240px;
    }

    .photo-caption-box {
        padding: 20px;
    }

    .photo-caption-title {
        font-size: 16px;
    }

    .photo-caption-desc {
        font-size: 13px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .cta-title {
        font-size: 24px;
    }

    .cta-text {
        font-size: 16px;
    }

    .form-container {
        padding: 10px;
        border-radius: 12px;
    }

    .form-container iframe {
        height: 1400px;
    }

    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .btn-header {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 24px;
    }

    .section-title {
        font-size: 22px;
    }

    .growth-bar {
        height: 30px;
        min-width: 50px;
    }

    .growth-bar span {
        font-size: 14px;
    }

    .growth-item p {
        font-size: 14px;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}