:root {
    --bg-color: #050505;
    --text-primary: #f2f2f2;
    --text-secondary: #c0c0c0;
    --accent: #00e5ff;
    --border: #262626;
    --input-bg: #111111;
    --font-main: 'Noto Sans JP', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.8;
    overflow-x: hidden;
}
.container { max-width: 1000px; margin: 0 auto; padding: 0 30px; }
h4 {
    margin-top: 12px;
}
header { padding: 40px 0; display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 100; }
.logo-link { display: block; text-decoration: none; z-index: 101; }
.logo-svg { height: 40px; width: auto; display: block; transition: opacity 0.3s; }
.logo-link:hover .logo-svg { opacity: 0.8; }

#menu-toggle { display: none; }
.menu-icon { display: none; cursor: pointer; z-index: 101; padding: 10px; }
.menu-icon span { display: block; width: 25px; height: 1px; background: var(--text-primary); margin: 6px 0; transition: 0.3s; }

nav { display: flex; }
nav a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; margin-left: 25px; font-family: var(--font-mono); }
nav a:hover, nav a.active { color: var(--accent); }

.form-group { margin-bottom: 30px; }
.form-label { display: block; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); margin-bottom: 10px; }
.form-control {
    width: 100%; background: var(--input-bg); border: 1px solid var(--border);
    padding: 15px; color: var(--text-primary); font-family: var(--font-main);
    font-size: 1rem; outline: none; transition: border-color 0.3s;
}
.form-control:focus { border-color: var(--accent); }
textarea.form-control { min-height: 150px; resize: vertical; }

.btn-submit {
    background: transparent; border: 1px solid var(--accent); color: var(--accent);
    padding: 15px 40px; font-family: var(--font-mono); cursor: pointer;
    font-size: 0.9rem; transition: all 0.3s;
}
.btn-submit:hover { background: var(--accent); color: var(--bg-color); }

.page-title { padding: 60px 0; border-bottom: 1px solid var(--border); margin-bottom: 60px; }
.page-title h1 { font-size: 2.5rem; font-weight: 300; font-family: var(--font-mono); }

@media (max-width: 768px) {
    .menu-icon { display: block; }
    nav {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background: var(--bg-color); flex-direction: column;
        justify-content: center; align-items: center;
        opacity: 0; visibility: hidden; transition: 0.3s;
    }
    nav a { margin: 15px 0; font-size: 1.2rem; }
    #menu-toggle:checked ~ nav { opacity: 1; visibility: visible; }
    #menu-toggle:checked ~ .menu-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    #menu-toggle:checked ~ .menu-icon span:nth-child(2) { opacity: 0; }
    #menu-toggle:checked ~ .menu-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    
    .hero h1 { font-size: 2.8rem; }
    .info-row { grid-template-columns: 1fr; gap: 5px; }
}

footer { padding: 100px 0 50px; text-align: center; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); border-top: 1px solid var(--border); margin-top: 80px; }
.success-msg { border: 1px solid var(--accent); padding: 40px; text-align: center; }

.mission-statement {
    margin-bottom: 50px;
}
.main-lead {
    font-size: 1.2rem;
    font-weight: bold;
    color: #0077cc;
    margin-bottom: 30px;
}
.service-scope {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    border-top: 1px solid #eee;
    padding-top: 30px;
}
.scope-item {
    padding: 20px;
    background: #002d20;
    color: #ffffff;
    border-radius: 4px;
}
.scope-label {
    color: #80cbc4;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 10px;
    padding-bottom: 5px;
}
.scope-item p {
    color: #e0f2f1;
}
.articles-container {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    padding: 40px;
}
.articles-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}
.articles-header .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}
.articles-header .status {
    margin-left: auto;
    border: 1px solid var(--text-secondary);
    padding: 2px 8px;
    font-size: 0.65rem;
}
.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}
.article-item {
    display: flex;
    gap: 20px;
    border-left: 1px solid var(--border);
    padding-left: 20px;
}
.article-num {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 700;
}
.article-text h3 {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.article-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
@media (max-width: 768px) {
    .articles-container { padding: 25px; }
    .article-list { grid-template-columns: 1fr; }
}
.portfolio-section { margin-bottom: 64px; }
.infrastructure-box { border: 1px solid var(--border); background: #0a0a0a; padding: 20px 40px; }
.info-row { display: grid; grid-template-columns: 200px 1fr; padding: 16px 0; border-bottom: 1px solid #1a1a1a; }
.info-row:last-child { border-bottom: none; }
.info-label { color: var(--accent); font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.spec-card { border: 1px solid var(--border); padding: 40px; }
.spec-label { font-family: var(--font-mono); color: var(--accent); font-size: 0.75rem; letter-spacing: 0.2em; margin-bottom: 25px; border-bottom: 1px solid var(--accent); display: inline-block; }
.spec-list { list-style: none; }
.spec-list li { margin-bottom: 10px; position: relative; padding-left: 20px; color: var(--text-secondary); }
.spec-list li::before { content: ">"; position: absolute; left: 0; color: var(--accent); }
.lang-tags { color: var(--text-secondary); line-height: 2; word-spacing: 0.5em; }
.affiliate-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.affiliate-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border);
    padding: 30px;
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.01);
    transition: all 0.3s ease;
}

.affiliate-card:hover {
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.03);
}

.card-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.affiliate-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 2px 8px;
    letter-spacing: 0.1em;
    flex-shrink: 0;
}

.affiliate-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.en-name {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.affiliate-info .desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

.card-arrow {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--border);
    transition: 0.3s;
}

.affiliate-card:hover .card-arrow {
    color: var(--accent);
    transform: translateX(10px);
}