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

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header/Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fbff 0%, #e3f2fd 100%);
    padding: 50px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    padding-right: 20px;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
}

.hero-lead {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    color: #1565c0;
    line-height: 1.3;
    margin-bottom: 25px;
}

.highlight {
    color: #ff6b6b;
}

.hero-questions {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid #e3f2fd;
}

.question {
    font-size: 1rem;
    color: #d32f2f;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.question:last-child {
    margin-bottom: 0;
}

.hero-message {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
    margin: 20px 0;
    padding: 15px;
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    border-radius: 10px;
    border: 2px solid #ffc107;
    text-align: center;
}

.hero-cta {
    margin-top: 25px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #2196f3, #1976d2);
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.3);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.4);
}

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

.hero-image img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Main Content */
main {
    padding: 60px 0;
}

/* Questions Section */
.questions-section {
    background: #fff;
    padding: 35px 0;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.questions-container {
    max-width: 650px;
    margin: 0 auto;
}

.questions-box {
    background: linear-gradient(135deg, #fff3e0 0%, #ffecb3 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.12);
    border: 2px solid #ffc107;
}

.question-item {
    font-size: 1.05rem;
    color: #d32f2f;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.questions-message {
    font-size: 1.1rem;
    color: #555;
    font-weight: 500;
    line-height: 1.5;
    margin-top: 20px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
    border-bottom: 3px solid #2196F3;
    padding-bottom: 10px;
    display: inline-block;
    width: 100%;
}

section {
    margin-bottom: 50px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

/* Benefits Section */
.benefits-intro {
    text-align: center;
    font-size: 1.3rem;
    color: #1976D2;
    font-weight: 600;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 15px;
    border: 2px solid #2196F3;
}

/* Slide Demo Section */
.slide-demo {
    text-align: center;
    margin: 30px 0;
}

.slide-demo h5 {
    font-size: 1.1rem;
    color: #2196F3;
    font-weight: 600;
    margin-bottom: 15px;
}

.slide-image {
    max-width: 500px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.slide-image:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(33, 150, 243, 0.25);
}

.slide-image img {
    width: 100%;
    height: auto;
    display: block;
}

.benefits-detail {
    text-align: center;
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 30px;
    line-height: 1.6;
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    background: #f8f9fa;
    margin: 15px 0;
    padding: 20px;
    border-left: 5px solid #2196F3;
    border-radius: 10px;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.benefits-list li:hover {
    transform: translateX(10px);
}

.bonus {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
    text-align: center;
}

.bonus strong {
    color: #d63384;
    font-size: 1.2rem;
}

/* Full Seminar Section */
.seminar-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.seminar-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.seminar-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.seminar-item h4 {
    color: #2196F3;
    font-size: 1.3rem;
}

/* Seminar Introduction */
.seminar-intro {
    text-align: center;
    margin-bottom: 40px;
}

.seminar-intro p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 25px;
    line-height: 1.6;
}

.seminar-agenda {
    background: linear-gradient(135deg, #f8fbff 0%, #e3f2fd 100%);
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
    border: 2px solid #2196F3;
}

.agenda-list {
    list-style: none;
    counter-reset: agenda-counter;
    max-width: 600px;
    margin: 0 auto;
    padding: 0;
}

.agenda-list li {
    counter-increment: agenda-counter;
    position: relative;
    padding: 12px 0 12px 50px;
    font-size: 1.05rem;
    color: #333;
    line-height: 1.5;
}

.agenda-list li::before {
    content: counter(agenda-counter);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background: #2196F3;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Site Demo Section */
.site-demo {
    margin-top: 50px;
    text-align: center;
}

.site-demo h4 {
    color: #2196F3;
    font-size: 1.4rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.site-image {
    max-width: 600px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(33, 150, 243, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.site-image:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(33, 150, 243, 0.25);
}

.site-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

.demo-caption {
    color: #666;
    font-size: 1rem;
    font-style: italic;
    margin-top: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Testimonials Introduction */
.testimonials-intro {
    text-align: center;
    margin: 40px 0 30px;
}

.testimonials-intro p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.6;
}

.testimonials-title {
    font-size: 2rem;
    color: #333;
    border-bottom: 3px solid #2196F3;
    padding-bottom: 10px;
    display: inline-block;
    margin: 0 auto;
}

/* Testimonials Section */
.testimonials {
    background: linear-gradient(135deg, #f8fbff 0%, #e3f2fd 100%);
    padding: 40px 30px;
    border-radius: 20px;
    margin-top: 20px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #e3f2fd;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(33, 150, 243, 0.2);
    border-color: #2196F3;
}

.testimonial-icon {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #2196F3, #64B5F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonial-content {
    font-size: 1rem;
    line-height: 1.7;
    color: #333;
    margin: 0;
    font-style: italic;
    position: relative;
    padding: 0 20px;
}

.testimonial-content::before {
    content: '"';
    font-size: 3rem;
    color: #2196F3;
    position: absolute;
    left: -10px;
    top: -15px;
    font-family: Georgia, serif;
    opacity: 0.5;
}

.testimonial-content::after {
    content: '"';
    font-size: 3rem;
    color: #2196F3;
    position: absolute;
    right: -10px;
    bottom: -25px;
    font-family: Georgia, serif;
    opacity: 0.5;
}

.testimonial-author {
    text-align: right;
    margin-top: 20px;
    font-weight: 600;
    color: #1976D2;
    font-size: 0.95rem;
    position: relative;
}

.testimonial-author::before {
    content: '— ';
    color: #2196F3;
}

.testimonial {
    background: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 30px;
    margin: 30px 0;
    font-style: italic;
    font-size: 1.1rem;
    border-radius: 10px;
}

/* Instructor Section */
.instructor-info ul {
    list-style: none;
    padding: 0;
}

.instructor-info li {
    background: #e3f2fd;
    margin: 15px 0;
    padding: 20px;
    border-left: 5px solid #2196f3;
    border-radius: 10px;
    font-size: 1.1rem;
}

/* Registration Section */
.registration {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
}

.registration .section-title {
    color: white;
    border-bottom: 3px solid white;
}

.registration-text {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.registration-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 1.1rem;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: background-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.privacy-notice {
    margin-top: 30px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.privacy-notice p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.submit-btn {
    width: 100%;
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 20px;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.submit-btn:hover {
    background: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 40px 0;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .hero-lead {
        font-size: 0.95rem;
    }

    .hero-questions {
        padding: 15px;
    }

    .question {
        font-size: 0.95rem;
        justify-content: center;
    }

    .hero-message {
        font-size: 1rem;
        padding: 12px;
    }

    .cta-btn {
        padding: 14px 28px;
        font-size: 1rem;
    }

    .questions-section {
        padding: 30px 0;
    }

    .questions-box {
        padding: 15px;
    }

    .question-item {
        font-size: 1rem;
        flex-direction: column;
        gap: 6px;
        margin-bottom: 8px;
    }

    .questions-message {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    section {
        padding: 25px 20px;
        margin-bottom: 35px;
    }

    main {
        padding: 30px 0;
    }

    .seminar-content {
        grid-template-columns: 1fr;
    }

    .site-image {
        max-width: 100%;
        margin: 0 auto 15px;
    }

    .site-demo h4 {
        font-size: 1.2rem;
    }

    .slide-image {
        max-width: 100%;
    }

    .slide-demo h5 {
        font-size: 1rem;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .testimonials {
        padding: 40px 30px;
    }

    .testimonial-card {
        padding: 25px 20px;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 30px 0;
    }

    .hero-grid {
        gap: 25px;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 5px 14px;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .hero-lead {
        font-size: 0.9rem;
    }

    .hero-questions {
        padding: 12px;
        margin: 15px 0;
    }

    .question {
        font-size: 0.9rem;
        flex-direction: column;
        gap: 5px;
    }

    .hero-message {
        font-size: 0.95rem;
        padding: 10px;
    }

    .cta-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
        gap: 8px;
    }

    .hero-image img {
        max-width: 360px;
    }

    .questions-section {
        padding: 25px 0;
    }

    .questions-container {
        padding: 0 15px;
    }

    .questions-box {
        padding: 12px;
        margin-bottom: 12px;
    }

    .question-item {
        font-size: 0.9rem;
        flex-direction: column;
        gap: 4px;
        margin-bottom: 6px;
    }

    .questions-message {
        font-size: 0.95rem;
    }

    .slide-demo {
        margin: 20px 0;
    }

    .slide-demo h5 {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .testimonials {
        padding: 30px 15px;
    }

    .testimonials-grid {
        gap: 15px;
    }

    .testimonial-card {
        padding: 20px 15px;
    }

    .testimonial-content {
        font-size: 0.9rem;
        padding: 0 15px;
    }

    .testimonial-icon {
        font-size: 1.5rem;
    }

    section {
        padding: 20px 15px;
        margin-bottom: 30px;
    }
}