/* General Styles */
:root {
    --color-navy: #001f3f;
    --color-white: #ffffff;
    --color-gold: #d4af37;
    --color-light-gray: #f4f4f4;
    --color-dark-gray: #333333;
    --color-text: #555555;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

section {
    padding: 80px 0;
    text-align: center;
}

.section-heading {
    font-size: 2.5em;
    color: var(--color-navy);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-heading::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-gold);
    margin: 10px auto 0;
}

.section-sub-heading {
    font-size: 1.2em;
    color: var(--color-dark-gray);
    margin-bottom: 40px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--color-gold);
    color: var(--color-white);
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

.btn-primary:hover {
    background-color: #c0a030;
}

.btn-contact {
    display: inline-block;
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-contact:hover {
    background-color: #001a33;
}

/* Header */
.header {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

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

.header .logo {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--color-white);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 31, 63, 0.7), rgba(0, 31, 63, 0.7)), url('https://soji-labo.com/img/daikousa_23042451_s.jpg') no-repeat center center/cover;
    color: var(--color-white);
    padding: 150px 0;
    text-align: center;
}

.hero-sub-heading {
    font-size: 1.1em;
    margin-bottom: 10px;
    color: var(--color-gold);
}

.hero-heading {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-heading .highlight {
    color: var(--color-gold);
}

.hero-description {
    font-size: 1.3em;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-features span {
    background-color: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
}

.hero-note {
    margin-top: 15px;
    font-size: 0.9em;
    opacity: 0.8;
}

/* Problem Section */
.problem-section {
    background-color: var(--color-light-gray);
}

.problem-list {
    list-style: none;
    max-width: 700px;
    margin: 0 auto 40px;
    text-align: left;
}

.problem-list li {
    background-color: var(--color-white);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    font-size: 1.1em;
    position: relative;
    padding-left: 40px;
}

.problem-list li::before {
    content: '✖';
    color: #e74c3c;
    font-weight: bold;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
}

.solution-text {
    font-size: 1.4em;
    font-weight: bold;
    color: var(--color-navy);
    margin-bottom: 20px;
}

/* Features Section */
.features-section {
    background-color: var(--color-white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    background-color: var(--color-light-gray);
    padding: 30px;
    border-radius: 8px;
    text-align: left;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.feature-number {
    font-size: 3em;
    color: rgba(0, 31, 63, 0.1);
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
    z-index: 0;
}

.feature-item h4 {
    font-size: 1.5em;
    color: var(--color-navy);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.feature-item p {
    font-size: 1em;
    color: var(--color-text);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.feature-tag {
    display: inline-block;
    background-color: var(--color-gold);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
    position: relative;
    z-index: 1;
}

/* Curriculum Section */
.curriculum-section {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.curriculum-section .section-heading {
    color: var(--color-white);
}

.curriculum-section .section-heading::after {
    background-color: var(--color-gold);
}

.curriculum-section .section-sub-heading {
    color: rgba(255,255,255,0.8);
}

.curriculum-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.curriculum-item {
    background-color: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 8px;
    text-align: left;
    position: relative;
    border: 1px solid rgba(255,255,255,0.2);
}

.curriculum-phase {
    display: block;
    font-size: 0.9em;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.curriculum-item h4 {
    font-size: 1.4em;
    margin-bottom: 15px;
    color: var(--color-white);
}

.curriculum-item p {
    font-size: 0.95em;
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.curriculum-detail {
    display: inline-block;
    background-color: var(--color-gold);
    color: var(--color-navy);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
}

/* Comparison Section */
.comparison-section {
    background-color: var(--color-light-gray);
}

.comparison-table {
    margin-top: 50px;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border-radius: 8px;
}

.comparison-table th, .comparison-table td {
    padding: 15px;
    border: 1px solid #e0e0e0;
    text-align: left;
}

.comparison-table th {
    background-color: var(--color-navy);
    color: var(--color-white);
    font-weight: bold;
}

.comparison-table td:first-child {
    font-weight: bold;
    color: var(--color-navy);
}

/* Price Section */
.price-section {
    background-color: var(--color-white);
}

.price-card {
    max-width: 600px;
    margin: 50px auto 0;
    background-color: var(--color-light-gray);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    text-align: left;
}

.price-type {
    font-size: 1.2em;
    color: var(--color-gold);
    font-weight: bold;
    margin-bottom: 20px;
}

.price-details {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.original-price p:first-child {
    font-size: 1em;
    color: var(--color-text);
    text-decoration: line-through;
}

.original-price p:last-child {
    font-size: 1.8em;
    color: var(--color-text);
    font-weight: bold;
}

.monitor-price {
    color: var(--color-navy);
}

.monitor-price p:first-child {
    font-size: 1.2em;
    margin-bottom: 5px;
}

.monitor-price p:last-child {
    font-size: 3em;
    font-weight: bold;
    color: var(--color-gold);
}

.monitor-price .tax-included {
    font-size: 0.5em;
    vertical-align: super;
}

.price-note {
    font-size: 0.9em;
    color: var(--color-text);
    margin-bottom: 20px;
}

.included-list {
    list-style: none;
    margin-bottom: 30px;
}

.included-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    font-size: 1.05em;
}

.included-list li::before {
    content: '✔';
    color: var(--color-gold);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.opening-date {
    font-size: 1em;
    color: var(--color-navy);
    font-weight: bold;
    text-align: center;
}

/* Contact Section */
.contact-section {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.contact-section .section-heading {
    color: var(--color-white);
}

.contact-section .section-heading::after {
    background-color: var(--color-gold);
}

.contact-section .section-sub-heading {
    color: rgba(255,255,255,0.8);
}

.contact-form {
    max-width: 700px;
    margin: 50px auto 0;
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group .required {
    color: #e74c3c;
    margin-left: 5px;
    font-size: 0.9em;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    color: var(--color-dark-gray);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn-primary {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
}

.form-note {
    font-size: 0.9em;
    color: var(--color-text);
    margin-top: 20px;
    text-align: center;
}

/* FAQ Section */
.faq-section {
    background-color: var(--color-light-gray);
}

.faq-item {
    max-width: 800px;
    margin: 20px auto;
    background-color: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    text-align: left;
}

.faq-item summary {
    font-weight: bold;
    padding: 20px;
    cursor: pointer;
    color: var(--color-navy);
    font-size: 1.1em;
    outline: none;
}

.faq-item p {
    padding: 0 20px 20px;
    color: var(--color-text);
}

/* CTA Section */
.cta-section {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 60px 0;
}

.cta-section .section-heading {
    color: var(--color-white);
}

.cta-section .section-heading::after {
    background-color: var(--color-gold);
}

.cta-section .section-sub-heading {
    color: rgba(255,255,255,0.8);
}

.cta-note {
    margin-top: 20px;
    font-size: 0.9em;
    opacity: 0.8;
}

/* Footer */
.footer {
    background-color: var(--color-dark-gray);
    color: var(--color-white);
    padding: 30px 0;
    font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 10px;
    }

    .hero {
        padding: 100px 0;
    }

    .hero-heading {
        font-size: 2.5em;
    }

    .hero-description {
        font-size: 1.1em;
    }

    .section-heading {
        font-size: 2em;
    }

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

    .curriculum-steps {
        grid-template-columns: 1fr;
    }

    .comparison-table th, .comparison-table td {
        padding: 10px;
        font-size: 0.9em;
    }

    .price-details {
        flex-direction: column;
        gap: 20px;
    }

    .monitor-price p:last-child {
        font-size: 2.5em;
    }

    .contact-form {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-heading {
        font-size: 2em;
    }

    .hero-features span {
        font-size: 0.8em;
        padding: 6px 12px;
    }

    .section-heading {
        font-size: 1.8em;
    }

    .problem-list li {
        font-size: 1em;
        padding-left: 30px;
    }

    .problem-list li::before {
        left: 10px;
    }

    .feature-item h4 {
        font-size: 1.3em;
    }

    .curriculum-item h4 {
        font-size: 1.2em;
    }

    .price-card {
        padding: 20px;
    }

    .monitor-price p:last-child {
        font-size: 2em;
    }

    .btn-primary {
        padding: 12px 25px;
        font-size: 1em;
    }
}