:root{color-scheme:light;--ink:#153c35;--paper:#fbfcf8;--yellow:#f9d975;--muted:#58675e;--line:#d4ded6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.8}header,main,footer{max-width:1120px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:28px 36px;border-bottom:1px solid var(--line);gap:16px}.brand{text-decoration:none;color:var(--ink);font-size:16px;font-weight:800;letter-spacing:.07em;display:flex;align-items:center;gap:12px}.brand>span:first-child{font-size:31px;line-height:1}.brand-sub{font-size:14px;font-weight:500;letter-spacing:0;border-left:1px solid var(--line);padding-left:12px}.edition{font-size:12px;letter-spacing:.08em}main{padding:0 36px}.intro{padding:60px 0 48px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.eyebrow{font-size:14px;letter-spacing:.13em;font-weight:700;margin:0 0 18px}h1{font-size:clamp(42px,5.5vw,66px);line-height:1.25;letter-spacing:.03em;margin:0 0 26px;font-weight:800}.dot{color:#cb742f}.lead{font-size:20px;line-height:1.9;margin:0 0 18px}.note{color:var(--muted);font-size:14px;margin:0}.copy-card{background:var(--ink);color:#fff;border-radius:8px 48px 8px 8px;padding:30px 34px;box-shadow:8px 8px 0 #e2e9e1;position:relative}.card-top{display:flex;justify-content:space-between;align-items:center}.tag{font-size:14px;padding:4px 12px;border:1px solid #708980;border-radius:20px}.card-number{font-family:Georgia,serif;font-size:36px;color:#bdd1bd;font-style:italic}.copy-card h2{font-size:28px;line-height:1.6;margin:22px 0 16px;letter-spacing:.04em}.copy-card>p:not(#status){color:#d7e2da;font-size:16px;margin-bottom:26px}button{font:inherit;cursor:pointer;min-height:54px;transition:background .18s,transform .18s;border:0;font-weight:700;border-radius:5px}.primary{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;background:var(--yellow);color:var(--ink);padding:15px 12px}.primary:hover{background:#ffe69d;transform:translateY(-1px)}button:disabled{opacity:.65;cursor:wait}.primary span:first-child{font-size:24px;line-height:1}#status{font-size:14px;min-height:26px;margin:8px 0 4px;color:#e9efdd}.text-link{font-size:14px;color:#fff;text-underline-offset:5px}.text-link span{padding-left:12px}.card-bottom{display:flex;gap:20px;align-items:center;justify-content:center;border-top:1px solid #58756b;margin-top:24px;padding-top:17px;font-size:14px;color:#d7e2da}.steps{display:grid;grid-template-columns:repeat(3,1fr);padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:28px}.steps>div{display:flex;gap:14px}.step-no{font-family:Georgia,serif;color:#97622a;font-size:27px;line-height:1.4}h3{font-size:16px;margin:0 0 4px}.steps p{font-size:14px;color:var(--muted);margin:0}.prompt-section{padding:48px 0 32px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.section-heading .eyebrow{font-size:12px;margin-bottom:6px;color:var(--muted)}.section-heading h2{font-size:24px;margin:0}.version{font-size:14px;border:1px solid var(--line);border-radius:30px;padding:3px 14px;white-space:nowrap}.section-note{font-size:14px;color:var(--muted);margin:10px 0 20px}details{border:1px solid var(--line);border-radius:8px;background:#fff}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:18px 24px;font-weight:700}summary::-webkit-details-marker{display:none}summary span{font-size:22px}details[open] summary{border-bottom:1px solid var(--line)}details[open] summary span{transform:rotate(45deg)}.prompt-body{padding:24px}textarea{width:100%;padding:20px;border:1px solid var(--line);border-radius:4px;color:var(--ink);font:inherit;font-size:16px;line-height:1.9;resize:vertical;background:#fbfcf8}.secondary{border:1px solid var(--ink);background:white;color:var(--ink);padding:10px 26px;margin-top:14px}.secondary:hover{background:#edf2eb}.manual-note{font-size:14px;color:var(--muted);margin:10px 0 0}.guidance{padding:24px 0 40px;max-width:850px}.guidance h2{font-size:16px;margin:0 0 10px}.guidance p{font-size:14px;color:var(--muted);margin:8px 0}footer{border-top:1px solid var(--line);padding:22px 36px 32px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}:focus-visible{outline:3px solid #d08524;outline-offset:5px}@media(max-width:760px){header{padding:20px}.brand-sub{display:none}.edition{font-size:12px;letter-spacing:0}main{padding:0 24px}.intro{grid-template-columns:1fr;gap:26px;padding:32px 0}.eyebrow{margin-bottom:12px}h1{font-size:44px;margin-bottom:20px}h1 br{display:none}.lead{font-size:18px;line-height:1.8;margin-bottom:14px}.desktop{display:none}.copy-card{padding:24px}.copy-card h2{font-size:24px;margin:12px 0}.copy-card>p:not(#status){margin:12px 0 20px}.card-bottom{margin-top:18px}.steps{grid-template-columns:1fr;gap:20px;padding:26px 0}.prompt-section{padding-top:32px}.section-heading h2{font-size:20px}.prompt-body{padding:14px}textarea{padding:12px}.guidance{padding-bottom:28px}footer{padding:22px 24px;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.examples{padding:12px 0 40px}.examples-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}.example-card{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.example-card>a{display:block;background:#f0f3ed}.example-card img{display:block;width:100%;height:auto}.example-card figcaption{padding:12px 16px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:16px;font-weight:700}.example-card figcaption a{font-size:14px;font-weight:400;color:var(--ink);text-underline-offset:4px}.featured .examples-grid{align-items:stretch}.featured .example-card{display:flex;flex-direction:column}.featured .example-card>a{flex:1;display:flex;align-items:center}.featured .example-card img{max-height:610px;object-fit:contain}.gallery{border-bottom:1px solid var(--line);margin-bottom:12px}.gallery .examples-grid{row-gap:32px}@media(max-width:760px){.examples-grid{grid-template-columns:1fr;gap:22px}.examples{padding-bottom:30px}.featured .example-card img{max-height:none}.example-card figcaption{padding:12px 14px}}

.guidance h2{font-size:22px;margin-bottom:20px}.guidance h3{font-size:18px;margin:24px 0 10px}.guidance ul{padding-left:1.4em;margin:10px 0;font-size:16px;line-height:1.9;color:var(--muted)}.guidance li+li{margin-top:12px}