.interactive-stage{--stage-ink: var(--sunset-text);--stage-muted: var(--sunset-muted);--stage-blue: var(--sunset-blue);--stage-border: var(--soft-line);--stage-x: 50%;--stage-y: 20%;position:relative;isolation:isolate;width:100%;max-width:520px;min-width:0;color:var(--stage-ink);border:1px solid var(--stage-border);border-radius:18px;background:linear-gradient(130deg,var(--surface-tint),var(--sunset-surface) 72%);box-shadow:0 28px 80px var(--shadow),inset 0 1px 0 var(--soft-line);overflow:hidden;text-align:left}.stage-surface-light{position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(280px circle at var(--stage-x) var(--stage-y),var(--rose-wash),transparent 80%);opacity:0;transition:opacity .35s ease}.interactive-stage:hover .stage-surface-light{opacity:1}.stage-topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:16px 24px;border-bottom:1px solid var(--stage-border)}.stage-topbar-name{display:inline-flex;align-items:center;gap:8px;color:var(--sunset-muted);font-size:10px;font-weight:650;letter-spacing:1.9px}.stage-status-dot{width:5px;height:5px;border-radius:100%;background:var(--sunset-orange)}.stage-demo-label{color:var(--sunset-muted);font-size:10px;letter-spacing:.6px}.stage-scenes{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:20px 24px 0;padding:4px;background:var(--sunset-bg);border:1px solid var(--soft-line);border-radius:10px}.stage-scenes button{position:relative;display:flex;gap:8px;align-items:center;justify-content:center;padding:9px 10px;min-height:44px;border:0;background:none;border-radius:7px;font-size:13px;color:var(--stage-muted);transition:color .18s ease}.stage-scenes button[aria-selected=true],.stage-scenes button:hover{color:var(--sunset-text)}.stage-scene-indicator{position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px) / 3);background:var(--sunset-surface-strong);border:1px solid color-mix(in srgb,var(--sunset-pink) 22%,transparent);border-radius:7px;box-shadow:0 2px 5px var(--shadow);transition:transform .42s cubic-bezier(.22,1,.36,1)}.stage-stepper{position:relative;display:grid;grid-template-columns:repeat(3,1fr);margin:18px 29px 17px}.stage-step-line{position:absolute;top:13px;height:1px;left:calc(100% / 6);right:calc(100% / 6);background:color-mix(in srgb,var(--sunset-blue) 22%,transparent);overflow:hidden}.stage-step-line>span{display:block;height:100%;background:var(--stage-blue);transition:width .55s cubic-bezier(.22,1,.36,1)}.stage-stepper button{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:7px;min-height:48px;padding:0;border:none;border-radius:5px;color:var(--sunset-muted);background:none;font-size:12px;letter-spacing:1px}.stage-step-number{position:relative;display:grid;place-items:center;width:27px;height:27px;background:var(--sunset-bg);border:1px solid var(--sunset-line);border-radius:50%;font-size:10px;font-variant-numeric:tabular-nums;color:var(--sunset-muted);transition:color .2s,border-color .2s,background .2s,box-shadow .25s}.stage-stepper .is-current{color:var(--sunset-orange)}.stage-stepper .is-current .stage-step-number{color:var(--sunset-ink);background:var(--sunset-orange);border-color:var(--sunset-orange);box-shadow:0 0 0 4px color-mix(in srgb,var(--sunset-orange) 10%,transparent)}.stage-stepper .is-done .stage-step-number{color:var(--sunset-blue);border-color:var(--sunset-blue)}.stage-stepper button:hover .stage-step-number{border-color:var(--sunset-orange)}.stage-panel{margin:0 24px;min-height:240px;outline-offset:4px}.stage-panel-content{animation:stage-panel-enter .38s cubic-bezier(.22,1,.36,1) both}.stage-content-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px;color:var(--sunset-muted);font-size:12px;line-height:1.5;letter-spacing:.4px}.stage-content-caption>span:last-child{font-size:10px;color:var(--sunset-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.stage-idea{padding:17px 18px;border:1px solid color-mix(in srgb,var(--sunset-pink) 20%,transparent);border-radius:10px;background:linear-gradient(125deg,var(--rose-wash),var(--sunset-surface))}.interactive-stage .stage-prompt{max-width:none;font-size:clamp(16px,1.3vw,19px);line-height:1.8;color:var(--sunset-text);letter-spacing:.015em}.stage-idea-note{display:flex;gap:7px;align-items:center;margin-top:17px;color:var(--sunset-pink);font-size:12px;line-height:1.7}.stage-task-list{list-style:none;display:grid;gap:12px;margin:0;padding:0}.stage-task-list li{position:relative;display:flex;align-items:flex-start;gap:11px;padding:5px 7px;margin-inline:-7px;border:1px solid transparent;border-radius:8px;animation:stage-item-enter .34s cubic-bezier(.22,1,.36,1) both;animation-delay:var(--item-delay);transition:background .35s ease,border-color .35s ease}.stage-task-list li[data-confirmed=true]{background:color-mix(in srgb,var(--sunset-blue) 8%,transparent);border-color:color-mix(in srgb,var(--sunset-blue) 20%,transparent)}.stage-task-index{position:relative;display:grid;place-items:center;flex-shrink:0;width:23px;height:23px;border:1px solid color-mix(in srgb,var(--sunset-blue) 22%,transparent);border-radius:6px;font-size:11px;color:var(--sunset-blue);background:color-mix(in srgb,var(--sunset-blue) 6%,transparent);transition:background .3s,border-color .3s}.stage-task-index>span,.stage-task-index>svg{grid-area:1 / 1;transition:opacity .25s,transform .3s cubic-bezier(.22,1,.36,1)}.stage-task-index>svg{opacity:0;transform:scale(.45) rotate(-15deg)}.stage-task-list li[data-confirmed=true] .stage-task-index{background:var(--sunset-blue);border-color:var(--sunset-blue);color:var(--on-secondary)}.stage-task-list li[data-confirmed=true] .stage-task-index>span{opacity:0;transform:scale(.5)}.stage-task-list li[data-confirmed=true] .stage-task-index>svg{opacity:1;transform:scale(1) rotate(0)}.stage-task-list strong{display:block;font-size:13px;font-weight:550;line-height:1.6;color:var(--sunset-text)}.interactive-stage .stage-task-list p{color:var(--sunset-muted);font-size:12px;line-height:1.7;margin-top:2px}.stage-result{position:relative;padding:0 1px}.stage-result-tag{display:inline-flex;align-items:center;gap:5px;max-width:calc(100% - 48px);min-height:26px;color:var(--sunset-pink);font-size:11px;line-height:1.6;letter-spacing:.4px}.stage-result-stamp{position:absolute;top:-5px;right:0;color:var(--sunset-blue)}.stage-result-stamp rect{stroke:currentColor;stroke-width:1;stroke-dasharray:1;animation:stage-stamp-draw .7s cubic-bezier(.22,1,.36,1) both}.stage-result-stamp path{stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;animation:stage-stamp-draw .45s .22s cubic-bezier(.22,1,.36,1) both}.interactive-stage .stage-result h3{font-size:clamp(17px,1.6vw,23px);font-weight:550;line-height:1.5;letter-spacing:-.02em;color:var(--sunset-text);margin-top:9px}.interactive-stage .stage-result>p{color:var(--sunset-muted);font-size:13px;line-height:1.75;margin-top:6px}.stage-evidence{display:grid;gap:6px;margin-top:14px;padding-top:11px;border-top:1px solid color-mix(in srgb,var(--sunset-blue) 18%,transparent)}.stage-evidence>span{display:flex;align-items:center;gap:7px;color:var(--sunset-muted);font-size:12px;line-height:1.5;animation:stage-item-enter .35s cubic-bezier(.22,1,.36,1) both;animation-delay:var(--item-delay)}.stage-evidence svg{color:var(--sunset-blue)}.stage-footer{display:grid;gap:12px;margin:7px 24px 18px;padding-top:14px;border-top:1px solid color-mix(in srgb,var(--sunset-blue) 18%,transparent)}.stage-playback{min-width:0}.stage-playback-meta{display:flex;align-items:baseline;justify-content:space-between;gap:10px;min-height:28px;color:var(--sunset-muted);font-size:11px;line-height:1.6}.stage-playback-meta>span:last-child{flex-shrink:0;font-size:10px;color:var(--sunset-muted);font-variant-numeric:tabular-nums}.stage-playback-track{position:relative;height:3px;overflow:hidden;border-radius:4px;background:var(--sunset-line);margin-bottom:13px}.stage-playback-track>span{display:block;height:100%;background:var(--sunset-orange);transform-origin:left center;transition:transform 90ms linear}.stage-playback-track i{position:absolute;top:0;bottom:0;width:3px;background:var(--sunset-bg);left:25.9259%}.stage-playback-track i:last-child{left:66.6667%}.stage-playback-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:9px}.stage-play{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 10px;border:1px solid var(--sunset-orange);border-radius:7px;background:var(--sunset-orange);color:var(--sunset-ink);font-size:12px;font-weight:600;transition:transform .18s,background .18s,border-color .18s}.stage-play:not(:disabled):hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}.stage-play:not(:disabled):active{transform:scale(.97)}.stage-play:disabled{cursor:default;opacity:.5}.stage-disclosure{color:var(--sunset-muted);font-size:10px;line-height:1.7;text-align:center}.stage-next{display:inline-flex;align-items:center;justify-content:center;gap:9px;flex-shrink:0;min-height:44px;padding:9px 12px;color:var(--sunset-blue);background:var(--sunset-surface-strong);border:1px solid var(--border-strong);border-radius:7px;font-size:12px;transition:background .18s,border-color .18s,transform .18s}.stage-next:hover{background:var(--surface-hover);border-color:var(--sunset-blue);transform:translateY(-1px)}.stage-next:active{transform:translateY(0) scale(.97)}.stage-next svg{transition:transform .26s cubic-bezier(.22,1,.36,1)}.stage-next:hover svg{transform:translate(3px)}.stage-reset:hover svg{transform:rotate(-35deg)}.interactive-stage :focus-visible{outline:2px solid var(--sunset-blue);outline-offset:3px}@keyframes stage-panel-enter{0%{opacity:0;transform:translateY(8px);filter:blur(2px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}@keyframes stage-item-enter{0%{opacity:0;transform:translate(8px)}to{opacity:1;transform:translate(0)}}@keyframes stage-stamp-draw{0%{stroke-dashoffset:1}to{stroke-dashoffset:0}}.interactive-stage[data-playback=paused] .stage-panel *{animation-play-state:paused!important}.interactive-stage[data-still=true] *,.interactive-stage[data-still=true] *:before,.interactive-stage[data-still=true] *:after{animation:none!important;transition:none!important}.interactive-stage[data-still=true] .stage-surface-light{display:none}.interactive-stage[data-still=true] .stage-next:hover,.interactive-stage[data-still=true] .stage-next:active,.interactive-stage[data-still=true] .stage-next:hover svg,.interactive-stage[data-still=true] .stage-play:hover,.interactive-stage[data-still=true] .stage-play:active{transform:none}@media(max-width:480px){.stage-topbar{padding-inline:18px}.stage-scenes{margin-inline:18px}.stage-panel{margin-inline:18px;min-height:310px}.stage-footer{margin-inline:18px}.interactive-stage .stage-prompt{font-size:16px;line-height:1.7}.stage-idea{padding:14px}.stage-playback-meta{min-height:38px}.stage-playback-actions{gap:7px}.stage-play,.stage-next{padding-inline:8px}}@media(prefers-reduced-motion:reduce){.interactive-stage *,.interactive-stage *:before,.interactive-stage *:after{animation:none!important;transition:none!important}.interactive-stage .stage-surface-light{display:none}.interactive-stage .stage-next:hover,.interactive-stage .stage-next:active,.interactive-stage .stage-next:hover svg,.interactive-stage .stage-play:hover,.interactive-stage .stage-play:active{transform:none}}.manifesto{--manifesto-progress: 0;padding:26px 0 44px;border-top:1px solid var(--ch-line)}.manifesto-top{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--sunset-muted);font-size:10px;letter-spacing:.15em}.manifesto-top>span:last-child{display:flex;gap:8px;align-items:center;letter-spacing:.06em}.manifesto-words{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;padding:36px 0 32px}.manifesto-word{--word-progress: clamp(0, calc(var(--manifesto-progress) * 2.5 - var(--word-index) * .75), 1);display:grid;gap:15px;color:var(--sunset-muted);min-width:0;transform:translateY(calc((1 - var(--word-progress)) * 15px))}.manifesto-number{font-size:10px;font-variant-numeric:tabular-nums;color:var(--sunset-pink)}.manifesto-word strong{display:block;position:relative;white-space:nowrap;font-size:clamp(28px,4.15vw,55px);font-weight:580;line-height:1.2;letter-spacing:-.06em;color:var(--sunset-muted)}.manifesto-word strong>span{position:absolute;top:0;right:0;bottom:0;left:0;color:var(--sunset-orange);clip-path:inset(0 calc((1 - var(--word-progress)) * 100%) 0 0)}.manifesto-word:nth-child(2) strong>span{color:var(--sunset-blue)}.manifesto-word:nth-child(3) strong>span{color:var(--sunset-pink)}.manifesto-note{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--sunset-muted)}.manifesto-note svg{transition:transform .3s ease,color .3s}.manifesto-word:hover .manifesto-note svg{transform:translate(4px,4px);color:var(--sunset-pink)}.manifesto-line{height:1px;background:var(--sunset-line);display:block;overflow:hidden}.manifesto-line>span{display:block;height:100%;transform:scaleX(var(--manifesto-progress));transform-origin:left;background:linear-gradient(90deg,var(--sunset-orange),var(--sunset-pink),var(--sunset-blue))}.manifesto[data-still=true] .manifesto-word{transform:none}.manifesto[data-still=true] .manifesto-word strong>span{clip-path:none}@media(max-width:600px){.manifesto{padding:23px 0 29px}.manifesto-top{font-size:9px}.manifesto-words{grid-template-columns:1fr;gap:24px;padding:28px 0}.manifesto-word{grid-template-columns:20px 1fr;column-gap:14px;row-gap:9px;align-items:center}.manifesto-word strong{font-size:clamp(33px,10vw,47px)}.manifesto-note{grid-column:2;max-width:260px}}@media(prefers-reduced-motion:reduce){.manifesto-word{transform:none}.manifesto-word strong>span{clip-path:none}.manifesto-line>span{transform:none}}.brand-belief{display:grid;grid-template-columns:minmax(150px,.65fr) minmax(0,2.6fr);gap:42px;margin:0;padding:56px 0 62px;border-top:1px solid var(--sunset-line);color:var(--sunset-text);scroll-margin-top:110px}.brand-belief-caption{display:flex;flex-direction:column;align-items:flex-start;gap:10px;color:var(--sunset-muted);font-size:12px;line-height:1.8}.brand-belief-mark{height:34px;color:var(--sunset-orange);font-size:66px;line-height:1;font-weight:500}.brand-belief .brand-belief-copy{min-width:0}.brand-belief blockquote{margin:0;padding:0;border:0;background:none}.brand-belief blockquote p{margin:0;color:var(--sunset-text);font-size:clamp(28px,3.15vw,43px);font-weight:450;line-height:1.3;letter-spacing:-.035em;white-space:pre-line;text-wrap:balance}.brand-belief .brand-belief-translation{margin:23px 0 0;color:var(--sunset-muted);font-size:15px;line-height:1.9;letter-spacing:.035em}@media(max-width:700px){.brand-belief{grid-template-columns:minmax(0,1fr);gap:23px;padding:36px 0 42px}.brand-belief-caption{flex-direction:row;align-items:center;gap:12px;font-size:11px}.brand-belief-mark{height:25px;font-size:48px}.brand-belief blockquote p{font-size:clamp(27px,6.7vw,36px)}.brand-belief .brand-belief-translation{font-size:13px;margin-top:20px;letter-spacing:0}}.idea-playground{--idea-line: var(--sunset-line);--idea-muted: var(--sunset-muted);--idea-blue: var(--sunset-blue);padding:76px 0;border-top:1px solid var(--sunset-line);scroll-margin-top:110px}.idea-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px}.idea-kicker{color:var(--sunset-pink);font-size:10px;font-weight:550;letter-spacing:.16em}.ch-home .idea-heading h2{margin-top:14px;color:var(--sunset-text);font-size:clamp(26px,3vw,39px);font-weight:570;line-height:1.4;letter-spacing:-.045em}.idea-heading h2>span{color:var(--sunset-muted)}.ch-home .idea-heading>p{color:var(--idea-muted);font-size:12px;line-height:1.9;flex-shrink:0}.idea-workspace{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(290px,1fr);border:1px solid var(--idea-line);border-radius:14px;background:var(--sunset-surface);overflow:hidden}.idea-board{min-width:0;border-right:1px solid var(--idea-line)}.idea-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 22px;border-bottom:1px solid var(--idea-line)}.idea-toolbar>span{display:inline-flex;align-items:center;gap:8px;color:var(--sunset-muted);font-size:11px}.idea-toolbar>button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 0 8px 8px;border:0;background:transparent;color:var(--sunset-muted);font-size:11px}.idea-toolbar>button:hover{color:var(--sunset-text)}.idea-toolbar>button svg{transition:transform .4s cubic-bezier(.22,1,.36,1)}.idea-toolbar>button:hover svg{transform:rotate(-40deg)}.idea-canvas{position:relative;height:420px;overflow:hidden;isolation:isolate;background-image:radial-gradient(circle,color-mix(in srgb,var(--sunset-blue) 16%,transparent) 1px,transparent 1px);background-size:24px 24px}.idea-canvas:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at 55% 40%,color-mix(in srgb,var(--sunset-pink) 6%,transparent),transparent 70%)}.idea-canvas[data-compact=true]{height:500px}.idea-connections{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:visible}.idea-link,.idea-link-trace{fill:none;stroke:var(--border-strong);stroke-width:1.25;vector-effect:non-scaling-stroke}.idea-link{transition:stroke .25s,opacity .25s;opacity:.6}.idea-link-active{stroke:var(--sunset-orange);opacity:.88}.idea-link-trace{opacity:0;stroke:var(--sunset-pink);stroke-width:2.6;stroke-linecap:round;stroke-dasharray:12 88;animation:idea-route-flow 1.1s cubic-bezier(.16,.55,.5,1) both}.idea-canvas .idea-node{position:absolute;z-index:1;display:flex;flex-direction:column;align-items:flex-start;width:112px;height:76px;padding:10px 13px;transform:translate(-50%,-50%);border:1px solid var(--border-strong);border-radius:10px;color:var(--sunset-text);background:var(--sunset-surface-strong);text-align:left;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:0 7px 20px var(--shadow);transition:border-color .18s,background-color .18s,box-shadow .25s}.idea-canvas .idea-node:hover{border-color:var(--sunset-blue);background:var(--surface-hover);box-shadow:0 8px 24px var(--shadow)}.idea-canvas .idea-node-selected{z-index:2;color:var(--sunset-ink);background:var(--sunset-orange);border-color:var(--sunset-orange);box-shadow:0 0 0 4px color-mix(in srgb,var(--sunset-orange) 8%,transparent),0 7px 24px var(--shadow)}.idea-canvas .idea-node-selected:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.idea-node-cap{display:flex;align-items:center;justify-content:space-between;width:100%;color:var(--sunset-muted);font-size:9px;line-height:10px;font-variant-numeric:tabular-nums}.idea-node-selected .idea-node-cap{color:var(--sunset-ink)}.idea-node-handle{font-size:17px;line-height:10px;color:var(--sunset-muted)}.idea-node-selected .idea-node-handle{color:var(--sunset-ink)}.idea-node strong{margin-top:4px;color:inherit;font-size:16px;line-height:1.4;font-weight:550;letter-spacing:.08em}.idea-node-en{color:var(--sunset-muted);font-size:8px;line-height:1.5;letter-spacing:.09em}.idea-node-selected .idea-node-en{color:var(--sunset-ink)}.idea-canvas[data-compact=true] 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kbd{display:none}}@media(max-width:860px){.site-search-trigger>span{display:none}.main-navigation{gap:16px}.header-controls{gap:15px}}@media(max-width:720px){.header-inner{min-height:76px;padding-block:12px;gap:14px}.identity-name{font-size:20px}.identity-caption{font-size:9px}.header-controls{margin-left:auto;gap:8px}.menu-toggle{display:flex;padding:8px}.main-navigation{position:absolute;inset:calc(100% + 1px) 0 auto;z-index:35;display:none;padding:18px;background:var(--sunset-surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 22px 50px var(--shadow)}.main-navigation.is-open{display:grid;top:calc(100% + 1px);left:0;right:0;padding:18px;background:var(--sunset-surface);grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 14px;animation:search-entrance .22s ease both}.main-navigation a{padding:12px 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9px;font-size:11px;color:var(--quiet)}.theme-choice{display:flex;align-items:center;gap:10px;width:100%;min-height:44px;padding:10px;background:transparent;color:var(--muted);border:1px solid transparent;border-radius:7px;text-align:left;font-size:13px}.theme-choice:hover,.theme-choice:focus-visible{background:var(--surface-hover);color:var(--paper)}.theme-choice[aria-checked=true]{background:var(--surface-tint);color:var(--accent)}.theme-choice-check{margin-left:auto}@media(max-width:1000px){.header-controls{gap:14px}.theme-toggle-label{display:none}}@media(max-width:720px){.header-controls{gap:6px}.theme-toggle{min-width:40px;padding:9px}.theme-menu{right:-40px}}@media(max-width:360px){.header-inner{gap:8px}.identity-name{font-size:18px}.identity-caption{font-size:8px;letter-spacing:1.7px}.header-controls{gap:4px}.menu-toggle{padding:6px}}