:root{color-scheme:light;--green:#174c3c;--ink:#193e32;--sage:#f2f6f0;--gold:#efe9af;--line:#cbd8cc;--muted:#52685b;font-family:"Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--sage);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,textarea,input{font:inherit}button,a,input,summary{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #987d27;outline-offset:4px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,.brand{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-weight:600}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:fixed;top:-100px;left:16px;background:var(--green);color:white;padding:14px;z-index:30}.skip:focus{top:12px}.site-header{max-width:1360px;padding:20px 40px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{font-size:32px;letter-spacing:-1.4px}.brand span{color:#a18a35}.site-header nav{display:flex;gap:28px;align-items:center;font-size:14px}.site-header nav>a{min-height:44px;display:flex;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:48px;padding:13px 20px;background:var(--green);color:white;border-radius:6px;font-weight:700}.intro{max-width:1160px;margin:auto;padding:60px 32px 36px;text-align:center}.intro h1{font-size:clamp(40px,4.5vw,62px);line-height:1.5;letter-spacing:-.05em}.intro h1 br{display:none}.intro>p{font-size:17px;line-height:1.9;margin-top:24px}.intro .scroll-hint{font-size:13px;color:var(--muted);margin-top:18px}.scroll-hint span{margin-left:14px}.story{max-width:1160px;margin:auto}.stage{padding:25px 40px 78px}.stage-caption{text-align:center;min-height:105px}.stage-caption>p:first-child{font-size:13px;letter-spacing:.1em;margin-bottom:10px}.stage-caption h2{font-size:30px;line-height:1.5;letter-spacing:-.03em}.stage-caption>p:last-child{font-size:15px;line-height:1.8;margin-top:10px}.steps{display:none;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px auto 24px;max-width:800px}.steps button{display:flex;align-items:center;justify-content:center;gap:10px;border:0;background:none;font-size:14px;min-height:48px;padding:3px}.steps button span{width:34px;height:34px;display:grid;place-items:center;border:1px solid #9caf9f;border-radius:50%;background:var(--sage);font:18px Georgia,serif;flex:none}.steps button[aria-pressed=true]{font-weight:700}.steps button[aria-pressed=true] span{background:var(--green);color:white;border-color:var(--green)}.canvas{position:relative;height:340px;overflow:hidden}.scene{position:absolute;inset:0;padding:16px;display:grid;align-items:center;opacity:0;visibility:hidden;will-change:opacity,transform}.scene-final{opacity:1;visibility:visible}.paper{padding:26px;background:white;border:1px solid #dce4da;border-radius:5px;box-shadow:0 8px 20px #163c310b;min-width:0}.paper h3,.before-prompt h3{font-family:"Yu Mincho",serif;font-size:25px;line-height:1.5;font-weight:600}.paper p{font-size:16px;line-height:1.9}.paper-label{font-size:13px!important;font-weight:700;color:var(--muted);margin-bottom:18px}.plain{max-width:680px;width:100%;margin:auto}.plain h3{font-size:30px;margin-bottom:18px}.missing{margin-top:25px;padding-top:20px;border-top:1px solid var(--line);font-size:18px;font-weight:700;display:flex;gap:25px}.missing span{color:#8c762b}.prompt-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center;max-width:860px;width:100%;margin:auto}.before-prompt p{margin-top:20px;padding:20px 16px;background:white;border:1px solid var(--line);font-size:17px;line-height:1.8}.before-prompt svg{display:block;width:48px;height:24px;fill:none;stroke:var(--green);stroke-width:1.6;margin:25px 0 0 auto}.conditions{display:grid;grid-template-columns:48px 1fr;gap:15px 18px;margin:20px 0 0;font-size:16px;line-height:1.8}.conditions dt{font-weight:700}.conditions dd{margin:0;background:var(--sage);padding:5px 10px;border-radius:3px}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:24px}.comparison .paper{align-self:stretch}.after{border-top:4px solid var(--green)}.paper .small-note{font-size:13px;color:var(--muted);margin-top:18px}.review-paper{max-width:800px;width:100%;margin:auto}.review-points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:14px}.review-points li{display:flex;align-items:center;gap:12px;font-size:16px;line-height:1.7}.review-points span{display:grid;place-items:center;flex:none;border:1px solid #afbdac;width:26px;height:26px;border-radius:50%;font-size:13px}.stage-foot{display:flex;justify-content:center;gap:25px;align-items:center;min-height:44px;margin-top:12px;font-size:12px;color:var(--muted)}.stage-foot a{display:flex;align-items:center;min-height:44px;text-decoration:underline;text-underline-offset:4px}.demo-note{font-size:12px;line-height:1.8;color:var(--muted);text-align:center}.is-enhanced .story[data-mode=scroll]{height:400svh}.is-enhanced .story[data-mode=scroll] .stage{position:sticky;top:0}.is-enhanced .steps{display:grid}.measuring .scene{bottom:auto;min-height:0;height:auto;transform:none!important}.story[data-mode=static] .steps{display:none}
.practice{background:white;padding:64px max(32px,calc((100vw - 1060px)/2))}.practice-intro{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:35px}.practice h2{font-size:40px;line-height:1.6;letter-spacing:-.04em}.practice-intro p{font-size:16px;line-height:1.9;color:var(--muted)}.exercise{display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:start}.scenario-buttons{display:grid;gap:12px}.scenario-buttons button{min-height:52px;background:var(--sage);border:1px solid #8ba38f;border-radius:5px;padding:12px 15px;font-size:15px;text-align:left}.scenario-buttons button[aria-pressed=true]{background:var(--green);color:white;font-weight:700}.exercise-paper{background:var(--sage);border:1px solid var(--line);border-radius:6px;padding:28px}.exercise-paper h3{margin-top:24px;font-size:18px}.exercise-paper>p:not(.paper-label){font-size:14px;line-height:1.85}.sample-answer{background:white;border:1px solid var(--line);border-radius:4px;padding:20px;margin-top:12px;white-space:pre-line;line-height:1.9;font-size:16px}fieldset{border:0;padding:0;margin:24px 0 0;min-width:0}legend{font-size:15px;font-weight:700;margin-bottom:10px}fieldset label{display:flex;align-items:flex-start;gap:10px;padding:10px 0;min-height:44px;font-size:14px;line-height:1.8;cursor:pointer}input[type=checkbox]{width:21px;height:21px;accent-color:var(--green);flex:none;margin:2px 0}.practice-status{font-size:14px!important;font-weight:700;border-top:1px solid var(--line);margin-top:16px;padding-top:18px;min-height:50px}.template{margin-top:40px;border-top:1px solid var(--line);padding-top:28px}.template h3{font-size:20px}.template p{font-size:14px;line-height:1.85;margin-top:10px}.template textarea{width:100%;min-height:200px;display:block;margin-top:20px;padding:16px;background:var(--sage);color:var(--ink);border:1px solid #b5c6b4;border-radius:5px;line-height:1.85;font-size:15px;resize:vertical}.copy-button{min-height:44px;padding:12px 18px;margin-top:16px;background:var(--green);color:white;border:0;border-radius:5px;font-weight:700}.template #copy-status{min-height:26px}.transcript{max-width:1060px;margin:50px auto;padding:0 32px}.transcript summary{min-height:50px;padding:15px 0;border-block:1px solid var(--line);font-size:16px;font-weight:700;cursor:pointer}.transcript ol{padding-left:22px;display:grid;gap:20px;margin:26px 0}.transcript li{font-size:16px;line-height:1.9}.transcript li p{font-size:15px;color:var(--muted);margin-top:5px}.contact{text-align:center;background:var(--green);color:white;padding:60px 24px}.contact h2{font-size:42px;line-height:1.6;letter-spacing:-.035em}.contact p{font-size:16px;line-height:1.9;margin-top:20px}.contact .button{margin-top:28px;background:var(--gold);color:var(--green);min-height:58px;padding:18px 25px;font-size:17px}.related{display:flex;align-items:center;justify-content:center;gap:22px;min-height:44px;font-size:14px;margin:20px auto 0;text-decoration:underline;text-underline-offset:4px}.floating-consult{position:fixed;right:20px;bottom:max(14px,env(safe-area-inset-bottom));z-index:10;min-height:44px;padding:12px 18px;display:flex;align-items:center;gap:20px;background:var(--green);color:white;border:1px solid #c6d4c4;border-radius:5px;font-size:13px;font-weight:700}footer{padding:30px 32px 85px;max-width:1240px;margin:auto;display:flex;align-items:center;gap:28px;flex-wrap:wrap}footer p,footer>a:last-child{font-size:12px}footer>a:last-child{margin-left:auto;min-height:44px;display:flex;align-items:center;text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.site-header{padding:14px 20px;gap:14px}.brand{font-size:27px}.site-header nav{gap:15px;font-size:12px}.site-header .button{min-height:44px;padding:10px 12px;gap:10px}.intro{padding:32px 22px 20px;text-align:left}.intro h1{font-size:clamp(31px,8vw,45px);letter-spacing:-.055em}.intro h1 br{display:block}.intro>p{font-size:16px;margin-top:18px}.intro .scroll-hint{font-size:12px}.story{max-width:600px}.stage{padding:16px 16px 76px}.stage-caption{text-align:left;min-height:100px;padding-inline:4px}.stage-caption h2{font-size:25px}.stage-caption>p:first-child{font-size:11px;margin-bottom:6px}.stage-caption>p:last-child{font-size:14px;line-height:1.7;margin-top:7px}.steps{gap:3px;margin:14px auto 10px}.steps button{font-size:11px;min-height:62px;flex-direction:column;gap:6px}.steps button span{width:28px;height:28px;font-size:15px}.canvas{height:345px}.scene{padding:8px}.paper{padding:20px}.paper h3{font-size:23px}.paper p{font-size:15px}.paper-label{font-size:12px!important;margin-bottom:12px}.plain h3{font-size:25px}.missing{gap:18px;font-size:15px;flex-wrap:wrap;margin-top:20px;padding-top:16px}.prompt-layout{display:block}.before-prompt{display:none}.conditions{font-size:15px;gap:12px;grid-template-columns:40px 1fr;margin-top:18px}.conditions dd{padding:4px 8px}.comparison{display:block}.comparison .paper{padding:16px}.comparison .paper p{font-size:14px;line-height:1.8}.comparison .paper+.paper{margin-top:12px}.comparison .small-note{margin-top:8px;font-size:12px!important}.review-points{gap:12px}.review-points li{font-size:14px;gap:9px}.review-paper .small-note{font-size:13px}.stage-foot{font-size:11px;gap:20px;justify-content:space-between}.demo-note{font-size:11px;text-align:left}.practice{padding:40px 22px}.practice-intro{display:block;margin-bottom:24px}.practice h2{font-size:31px}.practice-intro p{font-size:15px;margin-top:18px}.exercise{display:block}.scenario-buttons{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.scenario-buttons button{padding:10px;font-size:13px;text-align:center;min-height:48px}.exercise-paper{padding:20px 16px}.sample-answer{padding:16px;font-size:15px}fieldset label{font-size:14px}.template{margin-top:30px}.template h3{font-size:18px}.template textarea{font-size:16px;min-height:270px;padding:14px}.transcript{margin-block:35px;padding:0 22px}.transcript summary{font-size:15px}.contact{padding:42px 22px}.contact h2{font-size:31px}.contact p{font-size:15px}.contact .button{font-size:14px;gap:14px;padding:16px 18px}.related{font-size:13px}.floating-consult{right:14px;font-size:12px;padding:11px 14px}footer{display:block;padding:28px 22px 82px}footer p{margin-top:14px}footer>a:last-child{margin-top:6px}}
@media(max-width:360px){.site-header{padding-inline:16px}.brand{font-size:25px}.site-header nav{gap:10px}.site-header .button{padding:10px}.site-header .button span{display:none}.stage{padding-inline:12px}.stage-caption h2{font-size:23px}.stage-caption>p:last-child{font-size:13px}.paper{padding:16px}.conditions{font-size:14px}.review-points li{font-size:13px}}
.story[data-mode=static] .canvas{height:auto!important;overflow:visible}.story[data-mode=static] .scene{display:none}.story[data-mode=static] .scene-final{display:grid;position:relative;inset:auto;opacity:1!important;visibility:visible!important;transform:none!important}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.scroll-hint{display:none}.scene{will-change:auto}}

.intro>.demo-note{font-size:12px;color:var(--muted);margin-top:14px}.story-in-view .floating-consult{display:none}
@media(max-width:760px){.stage{padding-bottom:24px}.canvas{height:290px}.steps{margin:10px auto}.steps button{min-height:56px}.comparison .small-note{display:none}.intro>.demo-note{text-align:left;font-size:12px}}