:root{color-scheme:dark;--bg:#0c1015;--panel:#131a22;--line:#2a3542;--text:#e7edf4;--muted:#9caebe;--accent:#79e4be;font-family:Arial,"Noto Sans JP",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header,main,footer{max-width:1200px;margin:auto;padding:0 32px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-family:monospace;font-size:21px;font-weight:bold;letter-spacing:2px}.brand span{color:var(--accent)}nav{display:flex;gap:28px;font-size:14px;color:var(--muted)}.eyebrow,.tag,.mono{font-family:monospace}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:2px;text-transform:uppercase}.hero{padding:90px 0 76px;display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}h1{font-size:clamp(34px,6vw,68px);line-height:1.12;letter-spacing:-2px;margin:20px 0}h2{font-size:28px;letter-spacing:-.6px}h3{font-size:21px;margin:14px 0}.tagline{font-size:18px;color:var(--muted)}.message{font-size:28px;margin:18px 0 28px}.button,button{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#0b1b17;border:1px solid var(--accent);border-radius:5px;padding:11px 18px;font:600 14px Arial;cursor:pointer;min-height:44px}.button:hover,button:hover{background:#a2f5d7;color:#0b1b17}.secondary{background:transparent;border-color:var(--line);color:var(--text)}.terminal{border:1px solid var(--line);border-radius:8px;background:var(--panel);font:14px/2 monospace;overflow:hidden;box-shadow:0 22px 65px #0003}.terminal-title{padding:10px 20px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px}.terminal-body{padding:24px}.terminal-body span{color:var(--accent)}.section{padding:48px 0 60px;border-top:1px solid var(--line)}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.muted,small{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}.card{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:7px;display:block}.card:hover{border-color:var(--accent)}.card p{color:var(--muted);font-size:14px;min-height:48px}.tag{font-size:11px;color:var(--accent);letter-spacing:1px}.card .arrow{display:block;margin-top:28px;color:var(--accent);font-size:13px}.categories{display:flex;gap:10px;flex-wrap:wrap}.categories span{font:12px monospace;border:1px solid var(--line);border-radius:4px;padding:7px 11px;color:var(--muted)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.principles{list-style:none;padding:0}.principles li{border-bottom:1px solid var(--line);padding:16px 0}.principles li::before{content:"✓";color:var(--accent);margin-right:12px}footer{border-top:1px solid var(--line);padding-top:28px;padding-bottom:32px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}footer div{display:flex;gap:22px}.tool-head{padding:42px 0 22px}.tool-head h1{font-size:40px;letter-spacing:-1px}.breadcrumb{font:12px monospace;color:var(--muted)}.privacy-note{border:1px solid #2c5448;background:#12251f;color:#b5e6d4;padding:12px 16px;border-radius:5px;font-size:13px;margin:18px 0 26px}.workspace{background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:8px;margin-bottom:24px}.controls{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-bottom:20px}label{font-size:13px}select,input[type=file]{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:4px;padding:10px;max-width:100%}input[type=checkbox]{accent-color:var(--accent)}.editors{display:grid;grid-template-columns:1fr 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solid var(--line);padding:12px 16px}th{color:var(--muted);font-weight:normal}td:first-child{white-space:normal;overflow-wrap:anywhere;min-width:150px;max-width:280px}[hidden]{display:none!important}@media(max-width:760px){header,main,footer{padding-left:20px;padding-right:20px}header{height:72px}nav{gap:16px}.hero{grid-template-columns:1fr;padding:48px 0;gap:24px}.hero h1{font-size:46px}.cards,.about-grid,.editors{grid-template-columns:1fr}.section-heading{display:block}.about-grid{gap:12px}.workspace{padding:16px}.tool-head h1{font-size:32px}footer{flex-direction:column}.terminal-body{padding:20px}textarea{min-height:240px}.brand{font-size:18px}}