:root{--bg: #0b0f14;--bg-elev: #111823;--surface: #141c28;--surface-2: #1a2330;--border: #26313f;--border-strong: #33414f;--text: #e6edf3;--text-muted: #9aa7b4;--text-dim: #6b7885;--accent: #2dd4bf;--accent-strong: #14b8a6;--accent-soft: rgba(45, 212, 191, .12);--radius: 14px;--maxw: 960px;--font: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"palt";background-image:radial-gradient(900px 500px at 50% -10%,rgba(45,212,191,.09),transparent 70%),linear-gradient(rgba(230,237,243,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(230,237,243,.025) 1px,transparent 1px);background-size:100% 100%,48px 48px,48px 48px;background-repeat:no-repeat,repeat,repeat}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}::selection{background:#2dd4bf4d}h1,h2,h3{line-height:1.3;letter-spacing:.01em;font-weight:700}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s cubic-bezier(.22,1,.36,1),transform .55s cubic-bezier(.22,1,.36,1)}.reveal.is-visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(10px);background:#0b0f14b8;border-bottom:1px solid var(--border)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;white-space:nowrap}.brand img{width:28px;height:28px}.nav{display:flex;align-items:center;gap:22px}.nav a{color:var(--text-muted);font-size:.92rem;transition:color .15s ease}.nav a:hover{color:var(--text)}.nav-desktop{display:flex}.lang-pills{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--border-strong);border-radius:999px;padding:3px;background:var(--bg-elev)}.lang-pill{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.06em;color:var(--text-dim);border-radius:999px;padding:4px 11px;transition:color .15s ease,background .15s ease}.lang-pill:hover{color:var(--text)}.lang-pill.active{background:var(--accent);color:#04211d}.hero{padding:104px 0 80px}.hero-top{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;border:2px solid var(--border-strong);box-shadow:0 0 0 3px var(--bg),0 0 0 5px #2dd4bf59}.badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:var(--accent);border:1px solid rgba(45,212,191,.3);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600}.badge:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #2dd4bf33;animation:pulse 2.4s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 3px #2dd4bf40}50%{box-shadow:0 0 0 6px #2dd4bf14}}.hero-title{font-size:clamp(2.6rem,6.5vw,4rem);font-weight:800;margin:24px 0 10px;letter-spacing:.02em;background:linear-gradient(135deg,#f2f7fa 55%,#7de8db);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.gh-handle{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:1rem;font-weight:600;color:var(--accent);margin:2px 0 18px;padding:6px 14px;border:1px solid var(--border-strong);border-radius:999px;background:var(--bg-elev);transition:border-color .15s ease,background .15s ease,transform .15s ease}.gh-handle:hover{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}.hero .tagline{font-size:clamp(1.05rem,2.6vw,1.4rem);color:var(--text);font-weight:600;margin:0 0 18px;max-width:760px}.hero .intro{color:var(--text-muted);max-width:680px;margin:0 0 34px}.cta-row{display:flex;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:13px 24px;font-weight:600;font-size:.95rem;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease;border:1px solid transparent}.btn-primary{background:var(--accent);color:#04211d;box-shadow:0 4px 24px #2dd4bf40}.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 6px 28px #2dd4bf59}.btn-secondary{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.section{padding:72px 0;border-top:1px solid var(--border)}.section-head{display:flex;align-items:baseline;gap:14px;margin-bottom:34px}.section-head h2{font-size:clamp(1.5rem,3.5vw,2rem);margin:0}.section-head .idx{color:var(--accent);font-family:var(--mono);font-size:.9rem;font-weight:600}.section-head:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--border-strong),transparent);transform:translateY(-6px)}.prose p{color:var(--text-muted);max-width:720px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}.card:hover{border-color:#2dd4bf66;transform:translateY(-3px);box-shadow:0 12px 32px #00000059}.card h3{margin:0 0 8px;font-size:1.05rem}.card p{margin:0;color:var(--text-muted);font-size:.92rem}.strengths{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px}.strength-card{position:relative;overflow:hidden}.strength-card:before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),transparent 60%);opacity:.7}.skill-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 16px}.skill-group h3{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin:0 0 12px;font-family:var(--mono);font-weight:600}.tags{display:flex;flex-wrap:wrap;gap:8px}.tag{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 12px;font-size:.83rem;font-family:var(--mono);transition:border-color .15s ease}.tag:hover{border-color:var(--accent)}.timeline{position:relative;display:flex;flex-direction:column;gap:20px;padding-left:26px}.timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,var(--accent),var(--border) 30%,var(--border))}.work-item{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:border-color .2s ease}.work-item:hover{border-color:var(--border-strong)}.work-item:before{content:"";position:absolute;left:-26px;top:32px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);transform:translate(.5px)}.work-item .meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 14px;margin-bottom:6px}.work-item .period{font-family:var(--mono);font-size:.82rem;color:var(--accent)}.work-item .org{font-weight:700;font-size:1.12rem}.work-item .role{color:var(--text-muted);font-size:.92rem}.work-item .desc{color:var(--text-muted);margin:4px 0 14px}.work-item ul{margin:0 0 16px;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px}.work-item ul li{position:relative;padding-left:22px;color:var(--text);font-size:.92rem}.work-item ul li:before{content:"▹";position:absolute;left:0;color:var(--accent)}.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}.availability{margin-top:24px;padding:16px 20px;border:1px dashed var(--border-strong);border-radius:10px;color:var(--text-muted);font-size:.92rem;background:var(--bg-elev)}.cred-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.cred-link{color:var(--text);border-bottom:1px dashed rgba(45,212,191,.4);padding-bottom:1px;transition:color .15s ease,border-color .15s 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a:hover{color:var(--accent)}@media(max-width:720px){.nav-desktop{display:none}.strengths,.skill-groups,.services-grid,.cred-grid{grid-template-columns:1fr}.hero{padding:64px 0 52px}.timeline{padding-left:20px}.work-item:before{left:-20px}.contact-card{padding:32px 20px}}