:root{--bg-deep: #020604;--bg-green: #04140c;--bg-mid: #0a2416;--accent: #9dff3f;--accent-soft: #3fd97f;--text: #e8f5ec;--text-dim: #9db8a8;--line: rgba(157, 255, 63, .25);--font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{font-family:var(--font);color:var(--text);background:linear-gradient(175deg,var(--bg-green) 0%,var(--bg-deep) 45%,var(--bg-mid) 100%);background-attachment:fixed;line-height:1.8;overflow-x:hidden}#gl-container{position:fixed;inset:0;z-index:0;pointer-events:none}#gl-container canvas{display:block;width:100%;height:100%}header,main,footer{position:relative;z-index:1}.site-header{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1.1rem clamp(1.2rem,4vw,3rem);background:linear-gradient(180deg,#020604d9,#02060400)}.brand{font-weight:700;letter-spacing:.08em;color:var(--text);text-decoration:none;font-size:1.02rem}.brand-dot{color:var(--accent)}.site-nav{display:flex;gap:clamp(1rem,3vw,2.2rem)}.site-nav a{color:var(--text-dim);text-decoration:none;font-size:.88rem;letter-spacing:.12em;transition:color .25s}.site-nav a:hover,.site-nav a:focus-visible{color:var(--accent)}section{padding:clamp(4rem,10vh,7rem) clamp(1.2rem,6vw,4rem);max-width:1080px;margin:0 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.section-title{justify-content:center}.contact-lead{color:var(--text-dim);margin-bottom:2.2rem}.contact-mail{display:inline-block;font-size:clamp(1.2rem,3.6vw,1.9rem);font-weight:500;letter-spacing:.06em;color:var(--accent);text-decoration:none;padding:.7em 1.6em;border:1px solid var(--line);border-radius:999px;transition:box-shadow .3s,background .3s}.contact-mail:hover,.contact-mail:focus-visible{background:#9dff3f14;box-shadow:0 0 42px #9dff3f40}.site-footer{text-align:center;padding:2.4rem 1rem 2.8rem;font-size:.78rem;color:var(--text-dim);border-top:1px solid rgba(157,255,63,.1);background:#02060499}html.no-webgl body{background:radial-gradient(ellipse 90% 55% at 50% 0%,rgba(63,217,127,.18),transparent 70%),radial-gradient(ellipse 70% 45% at 80% 100%,rgba(157,255,63,.08),transparent 60%),linear-gradient(175deg,var(--bg-green) 0%,var(--bg-deep) 45%,var(--bg-mid) 100%);background-attachment:fixed}html.no-webgl .service-panel{min-height:0;padding:2rem 0}html.no-webgl 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