/* Basic Reset & Typography */
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f9f9f9;
    margin: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-weight: bold;
    line-height: 1.4;
}

h1 {
    font-size: 2.8rem;
    color: #1a237e; /* Deep blue */
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: #0d47a1; /* Darker blue */
}

h2 strong {
    color: #1565c0; /* Highlight color */
}

h3 {
    font-size: 1.5rem;
    color: #1976d2; /* Medium blue */
    border-bottom: 2px solid #bbdefb; /* Light blue underline */
    padding-bottom: 10px;
    margin-bottom: 20px;
}

p {
    margin-bottom: 1em;
}

a {
    color: #1976d2;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0d47a1;
}

ul, ol {
    padding-left: 20px;
}

strong {
    font-weight: bold;
}

/* Header */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

header .logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #0d47a1;
}

header .logo img {
    max-height: 50px;
    width: auto;
}

.hamburger-menu {
    display: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
}

.hamburger-menu div {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: 0.4s;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

header nav ul li {
    margin-left: 25px;
}

header nav ul li a {
    font-weight: 500;
    color: #333;
}

header nav ul li a.contact-btn {
    background-color: #e53935; /* Red */
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

header nav ul li a.contact-btn:hover {
    background-color: #c62828; /* Darker red */
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(227, 242, 253, 0.9), rgba(227, 242, 253, 0.9)), url('hero-bg.jpg') no-repeat center center/cover;
    color: #0d47a1;
    text-align: center;
    padding: 100px 0;
}

#hero h1 {
    margin-bottom: 10px;
}

#hero h2 {
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 30px;
    color: #1e88e5;
}

#hero p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.cta-button {
    background-color: #43a047; /* Green */
    color: #fff;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    text-transform: uppercase;
    transition: background-color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.cta-button:hover {
    background-color: #2e7d32; /* Darker green */
    transform: translateY(-3px);
    color: #fff;
}

.supported-industries {
    margin-top: 30px;
    font-weight: bold;
    color: #1565c0;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.content-section:nth-child(odd) {
    background-color: #fff;
}

.lead {
    text-align: center;
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 50px auto;
}

/* About Section */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.reason-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.more-button-wrapper {
    text-align: center;
    margin-top: 40px;
}

/* Services Section */
.service-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    text-align: center;
}

.service-category-summary {
    background-color: #e3f2fd;
    padding: 20px;
    border-radius: 8px;
}

.service-category-summary h3 {
    border-bottom: none;
    margin-bottom: 10px;
}


.service-category {
    background-color: #e3f2fd; /* Lightest blue */
    padding: 25px;
    border-radius: 8px;
    border-left: 5px solid #1976d2;
}

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

.support-list li {
    background: url('check-icon.svg') no-repeat left center;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Flow Section */
.flow-steps {
    list-style: none;
    padding: 0;
    position: relative;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    bottom: 20px;
    width: 4px;
    background-color: #bbdefb;
}

.flow-steps li {
    margin-bottom: 40px;
    padding-left: 60px;
    position: relative;
}

.flow-steps li h3 span {
    position: absolute;
    left: -2px;
    top: 0;
    background-color: #1976d2;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    border: 4px solid #fff;
}

.flow-steps li h3 {
    border-bottom: none;
    padding-bottom: 0;
}

.flow-steps-summary {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: space-around;
    text-align: center;
    flex-wrap: wrap;
}

.flow-steps-summary li {
    margin: 10px;
    font-weight: bold;
    color: #0d47a1;
}

.flow-steps-summary li span {
    display: block;
    background-color: #1976d2;
    color: #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    line-height: 40px;
    margin: 0 auto 10px auto;
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.education-summary {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}


.education-grid article {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.education-grid ul {
    padding-left: 20px;
}

.education-grid ul ul {
    padding-left: 20px;
    margin-top: 10px;
}

.support-image-wrapper {
    margin-bottom: 50px;
    text-align: center;
}

.support-main-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    margin-bottom: 15px;
}

.image-caption {
    font-size: 0.9rem;
    color: #555;
    font-style: italic;
}

/* Achievements Section */
#achievements {
    background-color: #e3f2fd;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
    margin-top: 40px;
}

.achievement-item {
    background-color: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-5px);
}

.achievement-item .field {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: #0d47a1;
    margin-bottom: 15px;
}

.achievement-item .number {
    font-size: 3.5rem;
    font-weight: bold;
    color: #1976d2;
    line-height: 1;
}

.achievement-item .unit {
    font-size: 1.2rem;
    margin-left: 5px;
    color: #555;
}

.achievements-date {
    text-align: right;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #555;
}

/* Info Topics Section */
#info-topics {
    background-color: #fef9e7; /* A slightly different yellow */
}

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

.topic-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.topic-card h3 {
    border-bottom: 2px solid #bbdefb;
    padding-bottom: 10px;
    margin-top: 0;
}

.topic-card p {
    flex-grow: 1;
}


/* Company Section */
.company-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
}

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

.company-table th {
    background-color: #e3f2fd;
    width: 25%;
    font-weight: bold;
}

/* Contact Section */
#contact {
    background-color: #1a237e;
    color: #fff;
}

#contact h2 {
    color: #fff;
}

#contact .lead {
    color: #e3f2fd;
}

.contact-info {
    text-align: center;
    margin: 40px 0;
    font-size: 1.2rem;
}

.contact-info strong {
    font-size: 1.5rem;
    color: #bbdefb;
}

.contact-buttons {
    text-align: center;
}

.contact-buttons .cta-button {
    margin: 0 10px;
}

.contact-buttons .cta-button.secondary {
    background-color: #fff;
    color: #1a237e;
}

.contact-buttons .cta-button.secondary:hover {
    background-color: #e0e0e0;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

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

footer a {
    color: #bbdefb;
}

footer a:hover {
    color: #fff;
}

.footer-socials {
    margin-top: 10px;
}

.footer-socials a {
    color: #fff;
    font-size: 1.8rem;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer-socials a:hover {
    color: #1877F2; /* Facebook Blue */
}

/* SNS Feeds Section */
#sns-feeds {
    background-color: #f4f4f9;
}

.feeds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    align-items: start;
}

.feed-column h3 {
    border-bottom: 2px solid #1976d2;
    padding-bottom: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.note-card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: box-shadow 0.3s ease;
}

.note-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.note-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.note-card h4 {
    margin: 0 0 10px 0;
    color: #333;
}

.note-card p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}


/* Back to Top Link */
.back-link {
    text-align: center;
    margin: 40px 0;
}

.back-link a {
    font-weight: bold;
    color: #0d47a1;
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid #0d47a1;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.back-link a:hover {
    background-color: #0d47a1;
    color: #fff;
}

.nav-columns {
    display: none; /* Hide on desktop by default */
}


/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    .hamburger-menu {
        display: block;
    }

    header nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -3px 0 8px rgba(0,0,0,0.15);
        transition: right 0.35s ease-in-out;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 80px;
        z-index: 1000;
    }

    header nav.active {
        right: 0;
    }

    header nav ul {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        margin-top: 15px;
    }

    header nav ul li {
        margin: 0;
        padding: 0 25px;
        width: 100%;
        box-sizing: border-box;
        border-bottom: 1px solid #f0f0f0;
    }

    header nav ul li:first-child {
        border-top: 1px solid #f0f0f0;
    }

    header nav ul li a {
        display: block;
        padding: 15px 0;
        width: 100%;
    }

    header nav ul li a.contact-btn {
        margin-top: 15px;
        text-align: center;
    }

    .nav-columns {
        display: block;
        margin-top: 30px;
        padding: 0 25px;
    }
    
    .nav-columns h4 {
        color: #0d47a1;
        margin-top: 20px;
        margin-bottom: 10px;
        border-bottom: none;
        font-size: 1.2rem;
    }
    
    .nav-columns a {
        display: flex;
        align-items: center;
        padding: 12px 0;
        color: #333;
        font-weight: 500;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-columns a i {
        margin-right: 15px;
        color: #1976d2;
        width: 20px;
        text-align: center;
    }

    .flow-steps::before {
        left: 10px;
    }

    .flow-steps li {
        padding-left: 40px;
    }

    .flow-steps li h3 span {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
        left: -8px;
    }

    .company-table th, .company-table td {
        display: block;
        width: 100%;
        box-sizing: border-box;
    }

    .company-table th {
        border-bottom: none;
    }

    .company-table td {
        border-bottom: 2px solid #e3f2fd;
        margin-bottom: 10px;
    }

    footer .container {
        flex-direction: column;
    }

    footer p {
        margin-bottom: 10px;
    }
}