:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #008080;
    --gray-color: #666666;
    --light-gray: #f9f9f9;
    --border-color: #eee;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    line-height: 1.8;
}

header {
    position: fixed; top: 0; width: 100%; padding: 20px 40px;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px);
    z-index: 1000; border-bottom: 1px solid var(--border-color);
}
.logo { font-weight: 700; letter-spacing: 2px; }
nav ul { display: flex; list-style: none; }
nav ul li { margin-left: 30px; }
nav ul li a { text-decoration: none; color: var(--text-color); font-size: 0.8rem; font-weight: 500; }

.hero {
    height: 100vh; display: flex; align-items: center; padding: 0 10%;
    position: relative; overflow: hidden; background: #fff;
}
#networkCanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }
.hero-content { position: relative; z-index: 2; }
.sub-title { color: var(--accent-color); letter-spacing: 4px; font-size: 0.9rem; margin-bottom: 20px; font-weight: 700; }
h1 { font-size: clamp(3rem, 8vw, 6rem); line-height: 1.1; font-weight: 700; margin-bottom: 30px; }
.outline { -webkit-text-stroke: 1px var(--text-color); color: transparent; }
.description { max-width: 600px; color: var(--gray-color); }

.container { max-width: 1200px; margin: 0 auto; padding: 100px 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.section-label { color: var(--accent-color); font-size: 0.8rem; letter-spacing: 3px; margin-bottom: 15px; font-weight: 700; }
h2 { font-size: 3.5rem; margin-bottom: 40px; font-weight: 700; }

.accent-text { font-size: 1.5rem; color: var(--accent-color); margin-bottom: 25px; font-weight: 700; }
.img-content img { width: 100%; border-radius: 8px; box-shadow: 0 20px 40px rgba(0,0,0,0.05); }

.services { background-color: var(--light-gray); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.card { border: 1px solid var(--border-color); padding: 50px; background: #fff; transition: 0.3s; }
.card:hover { border-color: var(--accent-color); transform: translateY(-5px); }
.card-num { display: block; font-size: 3.5rem; color: #eee; margin-bottom: 20px; font-weight: 300; }

.values { background-color: #1a1a1a; color: #fff; }
.values h2 { color: #fff; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.value-item { border-left: 2px solid var(--accent-color); padding-left: 20px; }
.value-title { display: block; font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; color: var(--accent-color); }

.recruit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
.recruit-card {
    min-height: 450px; display: flex; align-items: flex-end;
    border-radius: 12px; background-size: cover; background-position: center;
    position: relative; border: 1px solid var(--border-color); overflow: hidden;
}
.bg-1 { background-image: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.95)), url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?auto=format&fit=crop&w=600&q=80'); }
.bg-2 { background-image: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.95)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=600&q=80'); }
.bg-3 { background-image: linear-gradient(to bottom, rgba(255,255,255,0.1), rgba(255,255,255,0.95)), url('https://images.unsplash.com/photo-1517502884422-41eaadeff171?auto=format&fit=crop&w=600&q=80'); }
.recruit-card-content { padding: 40px; width: 100%; }
.staff-name { font-weight: 700; font-size: 1.3rem; display: block; }
.staff-role { font-size: 0.85rem; color: var(--accent-color); font-weight: 700; margin-bottom: 15px; display: block; }

.grid-2-company { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; }
.company-table { border-top: 2px solid var(--text-color); }
.table-row { display: flex; border-bottom: 1px solid var(--border-color); padding: 25px 0; }
.table-label { width: 180px; font-weight: 700; }
.map-container { border-radius: 12px; overflow: hidden; filter: grayscale(100%); transition: 0.5s; border: 1px solid var(--border-color); }
.map-container:hover { filter: grayscale(0%); }

footer { padding: 60px; text-align: center; border-top: 1px solid var(--border-color); color: var(--gray-color); font-size: 0.8rem; }

@media (max-width: 960px) {
    .grid-2, .grid-2-company, .values-grid { grid-template-columns: 1fr; }
}