:root{--bg:#fafafa;--surface:#fdfdfd;--subtle:#f3f3f3;--border:#dedede;--text:#171717;--muted:#525252;--accent:#0070f3;--accent-fg:#fdfdfd;--radius:8px;--font:Inter,Geist,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;--dur:.18s;--ease:cubic-bezier(.4,0,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--text);background:var(--bg);font:400 16px/1.7 var(--font);-webkit-text-size-adjust:100%}h1,h2,p{margin:0}a{color:inherit;text-underline-offset:4px}button,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer;transition:background var(--dur) var(--ease),opacity var(--dur) var(--ease)}button:disabled{opacity:.5;cursor:not-allowed}button:active:not(:disabled){transform:translateY(1px)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}a:hover{color:var(--accent)}[hidden]{display:none!important}.shell{width:min(1120px,calc(100% - 64px));margin-inline:auto}.masthead{display:flex;align-items:center;justify-content:space-between;padding-block:32px}.wordmark{display:flex;align-items:baseline;gap:12px;text-decoration:none;font-size:20px;font-weight:600;letter-spacing:-.02em}.wordmark span{font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:400}.quiet-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px;text-decoration:none}.hero{padding:64px 0;max-width:960px;margin:auto;text-align:center}.eyebrow{font-size:14px;color:var(--muted);letter-spacing:.04em}.hero h1{font-size:48px;line-height:1.35;font-weight:600;letter-spacing:-.02em;margin-top:24px}.intro{margin-top:24px;color:var(--muted)}.mobile-break{display:none}.prompt-panel{margin-top:48px;text-align:left;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:24px;box-shadow:0 1px 2px rgb(0 0 0/.03)}.prompt-label{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px}.pill{border:1px solid var(--border);border-radius:var(--radius);padding:4px 8px;line-height:1.4;font-family:ui-monospace,SFMono-Regular,monospace}.prompt-panel 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svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round}.scope-note{color:var(--muted);font-size:12px;margin-top:16px;overflow-wrap:anywhere}.first-tip{display:flex;align-items:flex-start;gap:16px;text-align:left;border:1px solid var(--border);background:var(--subtle);border-radius:var(--radius);padding:16px 16px 16px 24px;margin-top:24px;font-size:14px}.first-tip p{flex:1}.first-tip strong{font-weight:500}.icon-button{display:flex;align-items:center;justify-content:center;border:0;border-radius:var(--radius);background:transparent;min-width:44px;min-height:44px;font-size:24px;margin-top:-8px}.icon-button:hover{background:var(--border)}.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--border);padding-block:48px;gap:48px}.step{font:400 12px/1.6 ui-monospace,monospace;color:var(--muted)}.flow h2{font-size:20px;letter-spacing:-.02em;font-weight:500;margin-top:16px}.flow p{color:var(--muted);font-size:14px;margin-top:8px}.details{display:grid;grid-template-columns:1fr 1.5fr;gap:64px;padding-block:48px 64px;border-top:1px solid var(--border)}.details h2{font-size:24px;letter-spacing:-.02em;line-height:1.5;font-weight:500;margin-top:16px}.questions details{border-bottom:1px solid var(--border)}.questions details:first-child{border-top:1px solid var(--border)}summary{padding:24px 32px 24px 0;cursor:pointer;min-height:64px;position:relative;list-style:none;font-size:14px;font-weight:500}summary::-webkit-details-marker{display:none}summary::after{content:'＋';position:absolute;right:0;top:24px;color:var(--muted)}details[open] summary::after{content:'−'}summary:hover{color:var(--accent)}.questions p{font-size:14px;color:var(--muted);padding-bottom:24px}.text-button{color:var(--accent);font-size:14px;min-height:44px;border:0;border-radius:var(--radius);padding:8px 0;background:transparent;margin-bottom:16px;text-align:left}.text-button:hover{text-decoration:underline}.footer{display:flex;justify-content:space-between;gap:24px;padding-block:32px;border-top:1px solid var(--border);color:var(--muted);font-size:12px}.footer a{display:inline-flex;align-items:center;min-height:44px}.footer span{align-self:center}.notice{margin-top:24px;font-size:14px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-80px;left:16px;background:var(--surface);padding:12px;border:1px solid var(--border);z-index:2}.skip:focus{top:16px}
@media(prefers-color-scheme:dark){:root{--bg:#0f0f0f;--surface:#171717;--subtle:#202020;--border:#383838;--text:#ededed;--muted:#b0b0b0;--accent:#61a6ff}}
@media(max-width:768px){.shell{width:calc(100% - 48px)}.hero{padding-block:48px}.hero h1{font-size:40px}.flow{gap:24px}.details{grid-template-columns:1fr;gap:32px}.wordmark span{display:none}}
@media(max-width:480px){.shell{width:calc(100% - 32px)}.masthead{padding-block:16px}.wordmark{font-size:16px}.hero{padding-block:32px 48px}.hero h1{font-size:32px;margin-top:16px}.intro{font-size:14px;margin-top:16px}.mobile-break{display:block}.prompt-panel{padding:16px;margin-top:32px}.prompt-panel textarea{font-size:14px;min-height:172px}.prompt-actions{flex-wrap:wrap;gap:12px}.prompt-actions p{flex-basis:100%}.primary,.secondary{width:100%;min-height:48px}.flow{grid-template-columns:1fr;gap:32px;padding-block:32px}.flow article{display:grid;grid-template-columns:24px 1fr;column-gap:16px}.flow h2{margin:0;font-size:16px}.flow p{grid-column:2}.step{padding-top:2px}.details{padding-block:32px 48px}.details h2{font-size:20px}.first-tip{padding:16px;font-size:12px;gap:8px}.footer{flex-direction:column;gap:8px;padding-block:24px}.footer span{align-self:flex-start}.prompt-label{gap:8px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}button{transition:none}button:active:not(:disabled){transform:none}}