*{box-sizing:border-box}:root{font-family:"Hiragino Maru Gothic ProN","Yu Gothic UI",Meiryo,sans-serif;color:#173d56;background:#e5f4ef;font-synthesis:none}body{margin:0;background:radial-gradient(ellipse at 50% 10%,#fffdf0,#cbeeea);min-height:100svh}button{font:inherit;cursor:pointer;touch-action:manipulation;color:inherit;min-height:44px;border:0;font-weight:700}button:focus-visible{outline:3px solid #a6393c;outline-offset:3px}button:disabled{cursor:default}main{width:min(100%,580px);height:100svh;min-height:460px;max-height:960px;margin:auto;padding:8px 12px max(6px,env(safe-area-inset-bottom));display:grid;grid-template-rows:42px 48px minmax(200px,1fr) 144px 44px;gap:5px}header{display:flex;align-items:center;justify-content:space-between;gap:8px}h1{font-size:24px;font-weight:900;margin:0;letter-spacing:-.05em}h1 span{font-size:17px;color:#e16d64;margin:0 3px}.quiet{background:transparent;padding:7px 8px;font-size:12px;border-radius:6px}.quiet:hover{background:#ffffff80}.quiet:disabled{opacity:.35}nav{display:flex;gap:6px;padding-bottom:3px}nav button{background:#ffffff91;flex:1;font-size:13px;border:2px solid #aad3d5;border-bottom-width:4px;border-radius:10px;padding:3px 1px;white-space:nowrap}nav button b{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#d9ece8;margin-right:2px}nav button[aria-current=step]{background:#fff9d9;border-color:#30778c;color:#18485f}nav button[aria-current=step] b{background:#357e91;color:#fff}nav button.cleared::after{content:' ✓';font-size:12px;color:#246e57}.scene{position:relative;overflow:hidden;border:3px solid #3d8194;border-bottom-width:5px;border-radius:18px;background:#99e1eb;box-shadow:0 3px 0 #b1d9d2;min-height:0}canvas{display:block;width:100%;height:100%;object-fit:contain}.flight-heading{position:absolute;inset:4px 7px auto;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.flight-heading h2{font-size:12px;margin:0;background:#f7ffedc9;padding:5px 9px;border-radius:20px;color:#28546c}.flight-heading button{pointer-events:auto;background:#effbf2d9;min-height:44px;font-size:11px;padding:6px}.wind{position:absolute;top:52px;right:12px;display:flex;align-items:center;gap:5px;color:#254f68;font-size:11px;font-weight:700;pointer-events:none}.wind>span:first-child{font-size:19px}.scene-label{position:absolute;bottom:6px;left:8px;right:8px;text-align:center;font-size:11px;font-weight:700;letter-spacing:.02em;color:#eafffa;text-shadow:0 1px 3px #134b72;pointer-events:none}.control-deck{position:relative;min-height:0;padding-top:2px}.readout{display:flex;align-items:center;justify-content:center;min-height:46px;padding:2px 4px;font-size:13px;line-height:1.5;text-align:center;font-weight:600}#umbrella{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:none;display:grid;grid-template-columns:52px 1fr;align-items:center;width:100%;padding:8px 14px 10px;background:#ffd473;color:#543b39;border:2px solid #b1753a;border-bottom-width:6px;border-radius:18px;min-height:85px;box-shadow:0 3px 0 #bdd5c8;transition:background .08s}#umbrella[aria-pressed=true]{background:#ffaf8e;border-bottom-width:3px;transform:translateY(3px)}#umbrella:disabled{background:#d6e6dc;border-color:#8faca6;color:#537270}#umbrella small{grid-column:2;font-size:11px;font-weight:500;opacity:.85}#holdLabel{font-size:16px;font-weight:800}.umbrella-icon{grid-row:1/3;width:48px;height:46px;overflow:visible}.umbrella-icon path:first-child{fill:#fff6e6;stroke:#a35466;stroke-width:2.7}.umbrella-icon circle{fill:#50365a}.umbrella-icon .arms{fill:none;stroke:#b96f89;stroke-width:3;stroke-linecap:round}#overlay{height:100%;display:flex;flex-direction:column;justify-content:center;gap:7px;padding:1px 4px}#overlay[hidden]{display:none}.decision-copy{position:relative;padding-left:1px}#overlayKicker{font-size:10px;color:#387579;font-weight:700;margin:0 0 3px}#overlay h2{font-size:19px;line-height:1.25;font-weight:900;margin:0 0 5px}#overlayText{font-size:12px;line-height:1.45;margin:0}.decision-actions{display:flex;gap:7px}#overlay button,dialog>button{padding:9px 12px;background:#ffd473;color:#543b39;border:2px solid #af733c;border-bottom-width:4px;border-radius:12px;font-size:15px;flex:1;min-height:45px}#overlay #next{background:#2d7f91;border-color:#21546a;color:#fff7de}.control-deck:has(#overlay:not([hidden])) .readout,.control-deck:has(#overlay:not([hidden])) #umbrella{display:none}.below{display:flex;justify-content:space-between;align-items:center;gap:6px}.below button{min-height:44px;padding:4px 8px}.below p{font-size:11px;margin:0;color:#42686c}.save-note{font-size:12px;color:#617f7e;line-height:1.7}dialog{width:min(90vw,440px);max-height:85svh;overflow:auto;border:3px solid #3d8194;border-radius:18px;background:#fffbea;color:#284f55;padding:22px}dialog::backdrop{background:#153c4b80}dialog h2{font-size:22px}dialog p,dialog li{font-size:14px;line-height:1.8}dialog ol{padding-left:22px}dialog li+li{margin-top:12px}dialog>button{width:100%}#loadError{padding:20px;background:#fff2c9;color:#673c25;text-align:center}[hidden]{display:none!important}@media(max-width:350px){main{padding-inline:7px;grid-template-rows:38px 44px minmax(200px,1fr) 140px 44px;gap:3px}h1{font-size:22px}nav{gap:4px}nav button{font-size:11px}nav button b{width:20px;height:20px}#holdLabel{font-size:14px}#overlay h2{font-size:17px}#overlayText{font-size:11px}.readout{font-size:12px}}@media(max-height:600px){main{grid-template-rows:36px 44px minmax(200px,1fr) 130px 44px;gap:3px;padding-top:4px}#overlayKicker{display:none}.readout{min-height:38px}#umbrella{min-height:80px}.decision-copy h2{font-size:17px}#overlayText{font-size:11px}}@media(min-width:600px) and (max-height:600px){main{width:min(100%,860px);grid-template-columns:minmax(300px,1fr) 240px;grid-template-rows:40px 46px minmax(180px,1fr) 44px;min-height:360px;column-gap:14px}header{grid-column:1/3}nav{grid-column:1}.scene{grid-column:1;grid-row:3/5}.control-deck{grid-column:2;grid-row:2/4;align-self:center;width:100%}.below{grid-column:2;grid-row:4}#overlay{min-height:190px}.decision-actions{flex-direction:column}.readout{min-height:65px}#umbrella{grid-template-columns:40px 1fr;padding-inline:8px}#holdLabel{font-size:14px}.umbrella-icon{width:36px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}