/* General Styles */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #1E293B; /* Dark grey background */
    color: #F9FAFB; /* Light grey text color */
}

.container {
    max-width: 1200px;
}

/* Header */
header h1 {
    color: #F9FAFB;
}

header p {
    color: #D1D5DB;
}

/* Company Philosophy Section */
.company-concept {
    background-color: #334155; /* Slightly lighter dark grey */
    padding: 40px 20px;
    margin-bottom: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.company-concept h2 {
    color: #F9FAFB;
    font-weight: bold;
    margin-bottom: 20px;
}

.company-concept p {
    color: #D1D5DB;
    line-height: 1.7;
}

/* Developer Card */
.developer-card {
    background-color: #334155;
    border: none;
    border-radius: 10px;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.developer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4) !important;
}

.developer-card .card-title {
    color: #F9FAFB;
}

.developer-card .card-text {
    color: #D1D5DB;
}

/* Developer Icon */
.developer-icon {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #4B5563;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* Roblox Button */
.btn-roblox {
    background-color: #6366F1; /* Blue accent color */
    border-color: #6366F1;
    color: #F9FAFB;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background-color 0.2s;
}

.btn-roblox:hover {
    background-color: #4F46E5;
    border-color: #4F46E5;
    color: #F9FAFB;
}

/* "Join Us" Section */
.join-us {
    background-color: #1E293B; /* Same as body background */
    border-top: 1px solid #334155; /* Top divider line */
    border-bottom: 1px solid #334155; /* Bottom divider line */
}

/* Discord Button */
.btn-discord {
    background-color: #5865F2; /* Discord brand color */
    border-color: #5865F2;
    color: #fff;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 8px;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-discord:hover {
    background-color: #4a56d4;
    border-color: #4a56d4;
    color: #fff;
    transform: scale(1.05); /* Slightly enlarge on hover */
}

/* text-mutedの色を強制的に見やすくする */
.text-muted {
  color: #94A3B8 !important; 
}

/* Footer */
footer {
    background-color: #1E293B;
    color: #D1D5DB;
}