:root{--ink: #15171c;--paper: #e9ebef;--surface: #ffffff;--line: #d4d8e0;--muted: #656c7a;--accent: #2b44ff;--accent-press: #1c2ec2;--focus: #2b44ff;--font-display: "Space Grotesk", "Noto Sans JP", system-ui, sans-serif;--font-body: "Noto Sans JP", "Space Grotesk", system-ui, sans-serif;--font-mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;font-family:var(--font-body);line-height:1.6;font-weight:400;color:var(--ink);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;padding:0;min-width:320px;min-height:100vh;background-color:var(--paper);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:28px 28px;background-position:-1px -1px;color:var(--ink)}#root{width:100%;min-height:100vh}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.app{max-width:1240px;margin:0 auto;padding:clamp(1.25rem,4vw,2.5rem)}.masthead{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:.6rem}.brand__bar{width:30px;height:18px;background:var(--ink);border-radius:2px}.brand__name{font-family:var(--font-display);font-weight:700;font-size:1.35rem;letter-spacing:-.01em}.masthead__trust{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.02em;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.35rem .85rem}.masthead__dot{width:7px;height:7px;border-radius:50%;background:#1fb46a;box-shadow:0 0 0 3px #1fb46a2e}.hero{padding:clamp(2.25rem,6vw,3.75rem) 0 clamp(1.75rem,4vw,2.5rem);max-width:min(100%,760px)}.hero__eyebrow{margin:0 0 1.1rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}.hero__title{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(2.1rem,6vw,3.4rem);line-height:1.18;letter-spacing:-.02em}.hero__line{display:block}.hero__redact{position:relative;display:inline-block;margin-top:.18em;white-space:nowrap}.hero__redact-text{position:relative;z-index:1;color:var(--surface);padding:0 .18em}.hero__redact:before{content:"";position:absolute;inset:.08em -.04em .06em;background:var(--ink);border-radius:3px;transform-origin:left center;animation:redact-wipe .7s cubic-bezier(.7,0,.2,1) .15s both}@keyframes redact-wipe{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.hero__lede{margin:1.4rem 0 0;font-size:1.05rem;color:var(--muted);max-width:48ch}.toolbar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.85rem 1rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 1px #15171c08}.toolbar__group{display:flex;align-items:center;gap:.5rem;margin:0;padding:0;border:0}.toolbar__divider{width:1px;align-self:stretch;background:var(--line)}.toolbar__label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:0;margin-right:.15rem}.toolbar__count{margin-left:auto;font-family:var(--font-mono);font-size:.78rem;color:var(--muted)}.file-input input[type=file]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.file-label{display:inline-flex;align-items:center;font-weight:700;font-size:.9rem;padding:.55rem 1.2rem;background:var(--accent);color:#fff;border-radius:8px;cursor:pointer;transition:background-color .18s ease,transform .06s ease}.file-label:hover{background:var(--accent-press)}.file-label:active{transform:translateY(1px)}.file-input input[type=file]:focus-visible+.file-label{outline:3px solid var(--focus);outline-offset:2px}.seg{position:relative;display:inline-flex;align-items:center;cursor:pointer}.seg input[type=radio]{position:absolute;opacity:0;inset:0;cursor:pointer}.seg span{font-size:.9rem;padding:.45rem .95rem;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:var(--surface);transition:all .15s ease}.seg:first-of-type span{border-top-right-radius:0;border-bottom-right-radius:0}.seg:last-of-type span{border-top-left-radius:0;border-bottom-left-radius:0;border-left:0}.seg input:checked+span{color:#fff;background:var(--ink);border-color:var(--ink)}.seg input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}.btn{font-family:var(--font-body);font-size:.88rem;padding:.5rem 1rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;transition:background-color .15s ease,border-color .15s ease}.btn:hover:not(:disabled){background:#f1f3f7;border-color:#b9bfca}.btn--primary{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}.btn--primary:hover:not(:disabled){background:#000;border-color:#000}.btn:disabled{opacity:.4;cursor:not-allowed}.canvas-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;margin-top:1.75rem}.canvas-wrapper{display:flex;flex-direction:column;gap:.85rem;padding:1rem;background:var(--surface);border:1px solid var(--line);border-radius:12px}.canvas-wrapper__title{display:flex;align-items:center;gap:.6rem;margin:0;font-size:.95rem;font-weight:700;color:var(--ink)}.canvas-wrapper__tag{font-family:var(--font-mono);font-size:.62rem;font-weight:700;letter-spacing:.12em;padding:.18rem .45rem;border-radius:4px;background:var(--ink);color:#fff}.canvas-wrapper__tag--out{background:var(--accent)}.canvas-wrapper canvas{display:block;width:100%;height:auto;border-radius:6px;background:repeating-conic-gradient(#dfe2e8 0% 25%,#eef0f3 0% 50%) 50% / 18px 18px}.canvas-container:has(.placeholder){grid-template-columns:1fr}.placeholder{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.75rem;padding:clamp(2.5rem,8vw,4.5rem) 1.5rem;background:var(--surface);border:2px dashed var(--line);border-radius:14px}.placeholder__mark{width:64px;height:40px;border-radius:4px;background:linear-gradient(90deg,var(--ink) 33.33%,var(--accent) 0 66.66%,var(--ink) 0),linear-gradient(90deg,var(--accent) 33.33%,var(--ink) 0 66.66%,var(--accent) 0);background-size:100% 50%;background-position:0 0,0 100%;background-repeat:no-repeat;opacity:.9}.placeholder__title{margin:0;font-family:var(--font-display);font-weight:600;font-size:1.2rem;color:var(--ink)}.placeholder__hint{margin:0;font-size:.92rem;color:var(--muted);max-width:42ch}@media(max-width:600px){.toolbar{align-items:stretch}.toolbar__divider{display:none}.toolbar__count{margin-left:0}}@media(prefers-reduced-motion:reduce){.hero__redact:before{animation:none}*{transition-duration:.01ms!important}}