:root{--bg: oklch(.985 .003 80);--bg-elev: oklch(.995 .003 80);--bg-soft: oklch(.965 .004 80);--bg-deep: oklch(.945 .005 80);--fg: oklch(.18 .008 60);--fg-soft: oklch(.32 .008 60);--muted: oklch(.55 .008 70);--border: oklch(.92 .004 80);--border-strong: oklch(.85 .004 80);--accent: #0d8a6b;--accent-soft: oklch(.95 .04 160);--accent-fg: oklch(.99 0 0);--font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;--font-en: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--col-pad: clamp(20px, 4vw, 56px);--section-y: clamp(96px, 12vw, 160px);--max-w: 1240px}[data-theme=dark]{--bg: oklch(.16 .005 60);--bg-elev: oklch(.2 .005 60);--bg-soft: oklch(.22 .005 60);--bg-deep: oklch(.13 .005 60);--fg: oklch(.96 .003 80);--fg-soft: oklch(.85 .005 80);--muted: oklch(.62 .008 70);--border: oklch(.28 .005 60);--border-strong: oklch(.36 .005 60)}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:var(--font-jp);font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{font-size:15px;line-height:1.7;letter-spacing:.01em}body[data-lang=en]{font-family:var(--font-en)}body[data-lang=en] .section-head h2,body[data-lang=en] .contact-headline,body[data-lang=en] .hero-tagline{letter-spacing:-.015em}.en,.num,code{font-family:var(--font-en);letter-spacing:0}.mono{font-family:var(--font-mono)}.tnum{font-variant-numeric:tabular-nums}a{color:inherit;text-decoration:none}::-moz-selection{background:var(--accent);color:var(--accent-fg)}::selection{background:var(--accent);color:var(--accent-fg)}.cat{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0;white-space:nowrap;font-feature-settings:normal}.cat-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;position:relative;top:-1px;animation:cat-blink 3s infinite}@keyframes cat-blink{0%,92%,to{opacity:1}94%,96%{opacity:.2}}.cat-status{animation:cat-status-fade .4s ease}@keyframes cat-status-fade{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.foot-rin{font-size:13px;opacity:.6;display:inline-flex;align-items:center;gap:10px}.foot-rin-photo{width:32px;height:32px;border-radius:50%;-o-object-fit:cover;object-fit:cover;-o-object-position:center top;object-position:center top;opacity:.85;vertical-align:middle}.container{max-width:var(--max-w);margin:0 auto;padding-left:var(--col-pad);padding-right:var(--col-pad)}.section{padding-top:var(--section-y);padding-bottom:var(--section-y)}.section-tight{padding-top:clamp(64px,8vw,96px);padding-bottom:clamp(64px,8vw,96px)}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.eyebrow:before{content:"";width:18px;height:1px;background:currentColor;opacity:.6}.section-head{display:grid;grid-template-columns:minmax(180px,1fr) minmax(0,3fr);gap:32px 64px;align-items:end;margin-bottom:clamp(40px,6vw,72px);border-top:1px solid var(--border);padding-top:24px}.section-head h2{font-family:var(--font-jp);font-weight:600;font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.01em;margin:8px 0 0;text-wrap:balance}body[data-lang=en] .section-head h2{font-family:var(--font-en)}.section-head .lede{color:var(--fg-soft);font-size:clamp(15px,1.2vw,17px);max-width:56ch;line-height:1.7;text-wrap:pretty}@media (max-width: 720px){.section-head{grid-template-columns:1fr;gap:16px}}.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);background:color-mix(in oklab,var(--bg) 80%,transparent);border-bottom:1px solid color-mix(in oklab,var(--border) 60%,transparent)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-en);font-weight:600;letter-spacing:-.01em;font-size:15px}.brand-mark{width:26px;height:26px;border-radius:4px;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-family:var(--font-mono);font-size:11px;font-weight:500}.nav-links{display:flex;gap:24px;font-size:13px;color:var(--fg-soft);margin-left:auto}.nav-links a{position:relative;padding:4px 0;transition:color .2s ease}.nav-links a:hover{color:var(--fg)}.nav-links a:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.nav-links a:hover:after{transform:scaleX(1)}.lang-toggle{display:inline-flex;border:1px solid var(--border);border-radius:999px;padding:2px;font-family:var(--font-mono);font-size:11px;background:var(--bg-soft)}.lang-toggle button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--muted);padding:5px 12px;border-radius:999px;cursor:pointer;font:inherit;letter-spacing:.06em;transition:all .2s ease}.lang-toggle button.active{background:var(--fg);color:var(--bg)}@media (max-width: 720px){.nav-links{display:none}}.hero{padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(72px,10vw,128px);position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}@media (max-width: 900px){.hero-grid{grid-template-columns:1fr;gap:48px}}.hero-name-en{font-family:var(--font-en);font-weight:500;letter-spacing:-.025em;font-size:clamp(48px,7.5vw,104px);line-height:.98;margin:0}.hero-name-jp{font-size:14px;color:var(--muted);margin:24px 0 0;letter-spacing:.08em}.hero-role{font-family:var(--font-en);font-size:clamp(16px,1.4vw,19px);font-weight:500;margin:32px 0 0;letter-spacing:-.005em;color:var(--fg-soft)}.hero-role .sep{color:var(--border-strong);margin:0 12px;font-weight:400}.hero-tagline{margin:28px 0 0;font-size:clamp(20px,2.2vw,28px);line-height:1.45;font-weight:500;letter-spacing:-.01em;max-width:22ch;text-wrap:balance}.hero-blurb{margin:24px 0 0;color:var(--fg-soft);font-size:14px;max-width:44ch;line-height:1.8;text-wrap:pretty}.hero-photo{border:1px solid var(--border);border-radius:8px;overflow:hidden}.hero-photo img{width:100%;height:auto;display:block;filter:brightness(.92) contrast(1.04)}.hero-cat{position:absolute;right:var(--col-pad);top:24px;font-family:var(--font-mono);font-size:10.5px;color:var(--muted);white-space:pre;line-height:1.2;opacity:.7;pointer-events:none}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.metric{padding:36px 28px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:10px}.metric:last-child{border-right:0}.metric .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.metric .value{font-family:var(--font-en);font-weight:500;font-size:clamp(40px,4.5vw,64px);line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.metric .unit{display:inline-block;font-size:.36em;margin-left:6px;font-weight:500;color:var(--muted)}.metric .note{font-size:12.5px;color:var(--fg-soft);line-height:1.6}.metric .delta{font-family:var(--font-mono);font-size:11px;color:var(--accent)}@media (max-width: 900px){.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border)}}@media (max-width: 540px){.metrics{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--border)}.metric:last-child{border-bottom:0}}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border)}.pillar{background:var(--bg);padding:36px 32px 40px;display:flex;flex-direction:column;gap:16px;min-height:240px;transition:background .25s ease}.pillar:hover{background:var(--bg-soft)}.pillar .num{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.1em}.pillar h3{font-size:22px;font-weight:600;margin:0;letter-spacing:-.01em}.pillar p{margin:0;font-size:14px;color:var(--fg-soft);line-height:1.8;text-wrap:pretty}@media (max-width: 800px){.pillars{grid-template-columns:1fr}}.career-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.career-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:6px;padding:24px 24px 20px;display:flex;flex-direction:column;gap:12px;transition:all .25s ease}.career-card:hover{border-color:var(--border-strong);transform:translateY(-2px)}.career-card .yr-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:4px}.career-card .yr{font-family:var(--font-en);font-weight:600;font-size:28px;line-height:1;letter-spacing:-.02em}.career-card .span{font-family:var(--font-mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em}.career-card h3{font-size:16px;font-weight:600;margin:0;letter-spacing:-.005em;line-height:1.5}.career-card .role{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.02em}.career-card .summary{font-size:13px;color:var(--fg-soft);line-height:1.7;text-wrap:pretty}.career-card .results{display:none;flex-direction:column;gap:6px;margin:4px 0 0;padding:12px 0 0;list-style:none;border-top:1px dashed var(--border)}.career-card.open .results{display:flex}.career-card .results li{font-size:12.5px;color:var(--fg-soft);line-height:1.6;padding-left:14px;position:relative}.career-card .results li:before{content:"→";position:absolute;left:0;font-family:var(--font-mono);color:var(--accent);font-size:11px}.career-card .stack{display:flex;flex-wrap:wrap;gap:4px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border)}.career-card .toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;font-family:var(--font-mono);font-size:10.5px;color:var(--muted);letter-spacing:.06em;cursor:pointer;align-self:flex-start;padding:4px 0;transition:color .2s ease}.career-card .toggle:hover{color:var(--fg)}.chip{font-family:var(--font-mono);font-size:10.5px;color:var(--fg-soft);background:var(--bg-soft);border:1px solid var(--border);padding:2px 7px;border-radius:3px}.project-cards{display:flex;flex-direction:column;gap:2px}.project-card{border:1px solid var(--border);border-radius:10px;background:var(--bg-elev);overflow:hidden;transition:border-color .2s ease}.project-card.open{border-color:var(--accent)}.pc-head{padding:28px 32px;display:flex;flex-direction:column;gap:10px}.pc-head .hd{display:flex;align-items:baseline;gap:12px}.pc-head .when{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.06em}.pc-head .role{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.04em}.pc-head h3{font-size:18px;font-weight:600;margin:0;line-height:1.35;letter-spacing:-.005em}.pc-desc{font-size:14px;color:var(--fg-soft);line-height:1.75;margin:0}.pc-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;padding:0;font:inherit;font-family:var(--font-mono);font-size:12px;color:var(--accent);cursor:pointer;letter-spacing:.02em;align-self:flex-start;margin-top:4px}.pc-toggle:hover{opacity:.7}.pc-body{border-top:1px solid var(--border);padding:28px 32px;display:flex;flex-direction:column;gap:24px;background:var(--bg-soft)}.pc-section{display:grid;grid-template-columns:120px 1fr;gap:16px 32px;align-items:start}@media (max-width: 640px){.pc-section{grid-template-columns:1fr;gap:8px}}.pc-label{font-size:10.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:3px}.pc-section p{font-size:14px;color:var(--fg-soft);line-height:1.8;margin:0}.pc-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.pc-list li{font-size:13.5px;color:var(--fg-soft);line-height:1.7;padding-left:18px;position:relative}.pc-list li:before{content:"—";position:absolute;left:0;color:var(--accent);font-family:var(--font-mono)}.results-list li:before{content:"✓";color:var(--accent)}.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.project{display:flex;flex-direction:column;gap:16px;padding:32px;border:1px solid var(--border);border-radius:8px;background:var(--bg-elev)}.project .stack{display:flex;flex-wrap:wrap;gap:6px;padding-top:16px;border-top:1px solid var(--border)}@media (max-width: 800px){.projects{grid-template-columns:1fr}}.stack-filter{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:32px;padding:4px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;width:-moz-fit-content;width:fit-content}.stack-filter button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--fg-soft);font-family:var(--font-mono);font-size:12px;padding:8px 16px;border-radius:999px;cursor:pointer;transition:all .2s ease;letter-spacing:.04em}.stack-filter button:hover{color:var(--fg)}.stack-filter button.active{background:var(--fg);color:var(--bg)}.stack-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.stack-item{background:var(--bg);padding:18px 20px;display:flex;flex-direction:column;gap:6px;transition:background .2s ease}.stack-item:hover{background:var(--bg-soft)}.stack-item .name{font-family:var(--font-en);font-weight:500;font-size:15px}.stack-item .meta{font-family:var(--font-mono);font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center}.stack-item .bar{height:2px;background:var(--bg-soft);border-radius:2px;overflow:hidden;margin-top:6px}.stack-item .bar-fill{height:100%;background:var(--accent);transform-origin:left;animation:bar-grow .8s cubic-bezier(.2,.8,.2,1) forwards}@keyframes bar-grow{0%{transform:scaleX(0)}to{transform:scaleX(var(--w, 1))}}.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:32px 48px}.cert-group h3{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 16px;padding-bottom:8px;border-bottom:1px solid var(--border)}.cert-list{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}.cert-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;align-items:baseline;line-height:1.4}.cert-list .when{font-family:var(--font-mono);font-size:11px;color:var(--muted);white-space:nowrap}@media (max-width: 720px){.certs{grid-template-columns:1fr;gap:32px}}.contact{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;border-top:1px solid var(--border);padding-top:clamp(64px,8vw,96px)}.contact-headline{font-family:var(--font-jp);font-weight:600;font-size:clamp(32px,4vw,56px);line-height:1.2;letter-spacing:-.015em;margin:0;text-wrap:balance}body[data-lang=en] .contact-headline{font-family:var(--font-en)}.contact-links{display:flex;flex-direction:column}.contact-link{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-top:1px solid var(--border);transition:padding .25s ease;cursor:pointer}.contact-link:last-child{border-bottom:1px solid var(--border)}.contact-link:hover{padding-left:12px}.contact-link .l{font-family:var(--font-en);font-weight:500;font-size:18px}.contact-link .r{font-family:var(--font-mono);font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.contact-link:hover .r{color:var(--accent)}@media (max-width: 800px){.contact{grid-template-columns:1fr;gap:24px}}footer.foot{border-top:1px solid var(--border);padding:32px 0;font-family:var(--font-mono);font-size:11px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;letter-spacing:.04em}footer.foot .cat{opacity:.7}.twk-panel{position:fixed;right:16px;bottom:16px;z-index:2147483646;width:280px;max-height:calc(100vh - 32px);display:flex;flex-direction:column;background:#faf9f7eb;color:#29261b;backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);border:.5px solid rgba(255,255,255,.6);border-radius:14px;box-shadow:0 1px #ffffff80 inset,0 12px 40px #0000002e;font:11.5px/1.4 ui-sans-serif,system-ui,sans-serif;overflow:hidden}.twk-hd{display:flex;align-items:center;justify-content:space-between;padding:10px 8px 10px 14px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.twk-hd b{font-size:12px;font-weight:600;letter-spacing:.01em}.twk-x{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:#29261b8c;width:22px;height:22px;border-radius:6px;cursor:pointer;font-size:13px;line-height:1}.twk-x:hover{background:#0000000f;color:#29261b}.twk-body{padding:2px 14px 14px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;overflow-x:hidden;min-height:0}.twk-row{display:flex;flex-direction:column;gap:5px}.twk-row-h{flex-direction:row;align-items:center;justify-content:space-between;gap:10px}.twk-lbl{display:flex;justify-content:space-between;align-items:baseline;color:#29261bb8}.twk-lbl>span:first-child{font-weight:500}.twk-sect{font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#29261b73;padding:10px 0 0}.twk-sect:first-child{padding-top:0}.twk-seg{position:relative;display:flex;padding:2px;border-radius:8px;background:#0000000f;-webkit-user-select:none;-moz-user-select:none;user-select:none}.twk-seg-thumb{position:absolute;top:2px;bottom:2px;border-radius:6px;background:#ffffffe6;box-shadow:0 1px 2px #0000001f;transition:left .15s cubic-bezier(.3,.7,.4,1),width .15s}.twk-seg button{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;z-index:1;flex:1;border:0;background:transparent;color:inherit;font:inherit;font-weight:500;min-height:22px;border-radius:6px;cursor:pointer;padding:4px 6px}.twk-swatch{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:56px;height:22px;border:.5px solid rgba(0,0,0,.1);border-radius:6px;padding:0;cursor:pointer;background:transparent;flex-shrink:0}.twk-swatch::-webkit-color-swatch-wrapper{padding:0}.twk-swatch::-webkit-color-swatch{border:0;border-radius:5.5px}.project-detail{min-height:100vh;background:var(--bg)}.detail-nav{display:flex;align-items:center;justify-content:space-between;padding-top:24px;padding-bottom:24px;border-bottom:1px solid var(--border)}.back-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;color:var(--accent);font:inherit;font-family:var(--font-mono);font-size:13px;cursor:pointer;padding:6px 0;letter-spacing:.02em}.back-btn:hover{opacity:.7}.detail-header{padding-top:56px;padding-bottom:48px;border-bottom:1px solid var(--border)}.detail-title{font-family:var(--font-en);font-size:clamp(28px,5vw,48px);font-weight:700;letter-spacing:-.03em;line-height:1.15;margin:0 0 16px;color:var(--fg)}.detail-role{font-family:var(--font-mono);font-size:13px;color:var(--muted);letter-spacing:.04em}.detail-body{padding-top:0;display:flex;flex-direction:column;gap:0}.detail-section{padding:40px 0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:160px 1fr;gap:24px 48px}@media (max-width: 640px){.detail-section{grid-template-columns:1fr;gap:12px}}.detail-section-label{font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0;padding-top:4px}.detail-section p{margin:0;line-height:1.8;color:var(--fg-soft)}.detail-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}.detail-list li{padding-left:16px;position:relative;color:var(--fg-soft);line-height:1.7}.detail-list li:before{content:"—";position:absolute;left:0;color:var(--accent);font-family:var(--font-mono)}.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}.js-reveal .reveal:not(.in){opacity:0;transform:translateY(16px)}@media (prefers-reduced-motion: reduce){.js-reveal .reveal:not(.in){opacity:1;transform:none;transition:none}}