/* ==========================================================================
   Base & Variables
   ========================================================================== */
:root {
    /* Color Palette - Premium & Trustworthy (Green Theme) */
    --color-primary: #166534; /* Deep Green (Green 800) */
    --color-primary-light: #22c55e; /* Bright Green (Green 500) */
    --color-secondary: #064e3b; /* Very Dark Green (Emerald 900) */
    --color-accent: #10b981; /* Emerald 500 */
    
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Inter', 'Noto Sans JP', sans-serif;
    --font-body: 'Inter', 'Noto Sans JP', sans-serif;

    /* Transitions & Shadows */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    color: var(--slate-800);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 60px 0;
}

.bg-alternate {
    background-color: var(--color-bg-alt);
}

/* Hide line breaks on mobile */
@media (max-width: 768px) {
    br.sp-hide {
        display: none;
    }
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
.section-header {
    margin-bottom: 30px;
}

.section-header.center {
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-primary-light);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-secondary);
    font-weight: 700;
}

.section-desc {
    margin-top: 10px;
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-white:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary);
    border-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Glasscard */
.glass-card {
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Header / Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.navbar.scrolled .nav-links a {
    color: var(--color-secondary);
}

.nav-links a:hover {
    color: var(--color-primary-light);
}

.nav-btn {
    padding: 10px 24px;
}

.navbar .nav-btn {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-color: transparent;
}

.mobile-menu-btn {
    display: none;
    color: var(--color-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(22, 101, 52, 0.3), rgba(22, 101, 52, 0.3)), url('hero-bg.jpeg');
    overflow: hidden;
    padding-top: 100px;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out alternate;
}

.sphere-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary-light);
    top: -100px;
    right: -100px;
}

.sphere-2 {
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    bottom: -50px;
    left: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 30px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #555555;
    text-shadow: 
        -1.5px -1.5px 0 #ffffff,
         1.5px -1.5px 0 #ffffff,
        -1.5px  1.5px 0 #ffffff,
         1.5px  1.5px 0 #ffffff,
         0      2px   4px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.2s;
}

.hero-title .highlight {
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 800px;
    line-height: 1.6;
    font-weight: 500;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.4s;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.6s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 20px;
    margin-bottom: 10px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* ==========================================================================
   Purpose Section
   ========================================================================== */
.purpose {
    position: relative;
    background-image: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="%23f1f5f9" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
}

.purpose-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.purpose-image {
    width: 100%;
    min-width: 0;
}

.purpose-image img {
    width: 100%;
    display: block;
}

.purpose-content {
    padding: 20px;
    position: relative;
    border-radius: 16px;
}

.purpose-text {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.purpose-text:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Service Section
   ========================================================================== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 15px;
}

.service-card {
    background: var(--color-white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background: var(--color-bg-alt);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background: var(--color-primary);
}

.service-icon {
    font-size: 30px;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    color: var(--color-white);
}

.service-title {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.service-desc {
    color: var(--color-text);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.service-list {
    margin-bottom: 20px;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.service-list .fa-check {
    color: var(--color-accent);
    margin-top: 4px;
    font-size: 0.8rem;
}

.service-note {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: auto;
    border-top: 1px solid #f1f5f9;
    padding-top: 15px;
}

/* ==========================================================================
   Management Members
   ========================================================================== */
.team .section-header {
    margin-bottom: 15px;
}

.members-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.member-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
}

.member-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.member-avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    margin-bottom: 20px;
    background: var(--color-bg-alt);
    border: 4px solid var(--color-white);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.placeholder-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: #cbd5e1;
}

.member-name {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 5px;
}

.member-role {
    color: var(--color-primary-light);
    font-weight: 600;
    font-size: 0.95rem;
}

.member-bio p {
    margin-bottom: 16px;
    color: var(--color-text);
    font-size: 0.95rem;
}

.member-edu {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-top: 20px;
    padding-left: 15px;
    border-left: 3px solid var(--color-accent);
}

/* ==========================================================================
   Company & Contact Section
   ========================================================================== */
.company-grid {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 60px;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table th, .company-table td {
    padding: 20px 15px;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

.company-table th {
    width: 150px;
    font-weight: 600;
    color: var(--color-secondary);
}

.company-table td {
    color: var(--color-text);
}

/* Contact Form */
.contact-card {
    padding: 40px;
    background: var(--color-white);
}

.contact-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.contact-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-secondary);
}

.required {
    background: #ef4444;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.email-direct {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.email-direct a {
    color: var(--color-primary-light);
    font-weight: 500;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-white);
    color: var(--color-text);
    padding: 60px 0 30px;
    border-top: 1px solid #e2e8f0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    background: white;
    padding: 10px 20px;
    border-radius: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.copyright {
    color: var(--color-text-light);
    font-size: 0.85rem;
    border-top: 1px solid #e2e8f0;
    width: 100%;
    padding-top: 30px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .company-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }

    .purpose-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: 80px;
        min-height: 80vh;
    }

    .hero-title {
        font-size: 2.2rem;
        word-break: break-word;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .hero-content {
        padding: 0 15px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .purpose-layout {
        grid-template-columns: 1fr;
    }

    .purpose-content {
        padding: 25px 20px;
    }
    
    .member-card {
        grid-template-columns: 1fr;
        padding: 25px 20px;
        gap: 20px;
    }

    .member-card .member-header {
        flex-direction: row;
        text-align: left;
        gap: 20px;
        align-items: center;
    }

    .member-avatar {
        width: 100px;
        height: 100px;
        flex-shrink: 0;
        margin-bottom: 0;
    }

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

    .company-table th {
        width: 90px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.3rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

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

    .btn-lg {
        padding: 13px 24px;
        font-size: 1rem;
    }
}