:root{color-scheme:light;--paper:#f7f3e8;--ink:#293e37;--muted:#728078;--coral:#df6947;--green:#398775;--line:#dedfd2;--shadow:#243d3314;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background-image:radial-gradient(#a1a68a24 .8px,transparent .8px);background-size:12px 12px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible{outline:3px solid #20695c;outline-offset:5px}button{border:0}a{color:inherit;text-decoration:none}button:not(:disabled){transition:background .15s,transform .15s}button:not(:disabled):active{transform:translateY(2px)}[hidden]{display:none!important}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.app{max-width:1120px;margin:auto;padding:0 36px}.topbar{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;letter-spacing:2px;font-weight:900;line-height:1}.brand small{display:block;font-size:8px;letter-spacing:2.5px;margin-top:7px}.brand-icon{height:43px;width:43px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-size:33px;border-radius:12px;transform:rotate(-5deg)}nav{display:flex;align-items:center;gap:12px}.quiet{background:transparent;font-size:12px;padding:12px 16px;border:1px solid var(--line);border-radius:30px;white-space:nowrap}.quiet span{margin-left:10px}.sound{min-width:80px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:800;margin:0 0 18px;display:flex;align-items:center;gap:9px}.eyebrow i,.cargo-caption i{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%}.home{display:grid;grid-template-columns:1fr 1.1fr;min-height:505px;align-items:center;gap:24px;padding:36px 0 26px}.hero-copy h1{font-size:clamp(40px,4.5vw,58px);line-height:1.35;letter-spacing:-2.5px;margin:0 0 18px;font-weight:900}.hero-copy h1>span{color:var(--coral);white-space:nowrap}.title-dot{margin-left:-5px}.lead{font-size:21px;font-weight:700;line-height:1.7;margin:0 0 14px;letter-spacing:1px}.intro{font-size:12px;color:#69756a;line-height:2;margin:0 0 23px}.primary{background:var(--coral);color:#fffaf0;border-radius:10px;min-height:54px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:15px 23px;box-shadow:0 4px 0 #b75031}.primary:hover{background:#ce5938}.primary span{font-size:22px;font-weight:400}.start{min-width:269px}.save-summary{font-size:10px;margin:15px 0 0;color:var(--muted)}.hero-art{position:relative;height:440px;display:grid;place-items:center}.demo-truck{position:relative;width:320px;transform:rotate(-5deg);margin:20px 50px 0 0;z-index:1;border:6px solid var(--green);border-radius:18px 18px 9px 9px;background:var(--green);box-shadow:12px 15px 0 #335d4320}.demo-roof{display:flex;justify-content:space-between;color:#faf7e8;font-size:9px;letter-spacing:2px;padding:7px 8px 12px}.demo-load{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;background:#244e43;border:6px solid #244e43;border-radius:5px}.demo-cell{aspect-ratio:1;display:grid;place-items:center;border-radius:7px;background:var(--parcel);color:#304036a6;box-shadow:inset 0 -5px 0 #00000012,inset 0 2px 0 #ffffff50;font-size:23px;font-weight:900;position:relative}.demo-cell::after{content:"";position:absolute;inset:0 42%;background:#fff6}.truck-bottom{display:flex;justify-content:space-between;align-items:center;color:#f8f3d9;padding:13px 7px 6px;font-size:9px;font-weight:800}.truck-bottom span:last-child{font-size:8px}.wheel{position:absolute;width:47px;height:45px;background:var(--ink);bottom:-30px;border-radius:13px;z-index:-1}.wheel::after{content:"";display:block;height:6px;background:#566158;margin:27px 8px 0;border-radius:3px}.wheel-left{left:31px}.wheel-right{right:31px}.courier{position:absolute;z-index:2;right:-3px;bottom:46px;transform:rotate(7deg);display:flex;align-items:center;flex-direction:column}.courier svg{width:150px;height:158px;filter:drop-shadow(5px 4px 0 #293e3712)}.courier span{font-size:9px;border:1px solid #d9d6be;background:var(--paper);padding:8px 10px;border-radius:4px;transform:rotate(-7deg)}.road{position:absolute;bottom:6px;left:15px;right:4px;height:18px;border-top:2px dashed #b8bda7;transform:rotate(-5deg)}.postmark{position:absolute;right:0;top:0;width:95px;height:95px;border:2px solid var(--coral);border-radius:50%;color:var(--coral);transform:rotate(14deg);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px}.postmark::after{content:"";position:absolute;inset:5px;border:1px dashed var(--coral);border-radius:50%}.postmark small{font-size:8px;letter-spacing:1.5px}.postmark b{font-size:14px}.spark{position:absolute;color:var(--coral);font-size:42px}.spark-one{left:2px;top:24px}.spark-two{right:23px;top:149px;font-size:31px}.howto{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding:23px 0;gap:25px}.howto>div{display:flex;align-items:center;gap:15px}.howto>div+div{border-left:1px solid var(--line);padding-left:30px}.howto b{font-family:Georgia,serif;color:var(--coral);font-size:30px;font-weight:400}.howto p{margin:0}.howto strong{display:block;font-size:13px;margin-bottom:5px}.howto span{font-size:10px;color:var(--muted)}footer{display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:10px;color:var(--muted);gap:15px}footer i{font-style:normal;color:var(--coral);margin-left:15px}footer small{font-size:9px}.storage-notice{font-size:12px;color:#9f4d2e}.play{padding:25px 0 0}.mission-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.mission-heading .eyebrow{margin-bottom:8px;font-size:10px;color:var(--green)}.mission-heading h1{font-size:26px;margin:0;letter-spacing:-.5px}.delivery-number{display:flex;gap:9px;align-items:baseline}.delivery-number strong{font-family:Georgia,serif;font-size:42px;font-weight:400;color:var(--coral)}.delivery-number span{font-size:12px;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(290px,1fr);gap:38px;align-items:start}.cargo-panel{background:#e3e7d8;border-radius:16px;padding:19px 20px 16px;box-shadow:0 5px 0 #d3d9c8}.cargo-caption{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;margin:0 0 16px}.cargo-caption i{width:6px;height:6px;margin-right:6px}.cargo-caption b{font-size:11px;white-space:nowrap}.board-frame{background:#344f41;border-radius:9px;padding:10px;box-shadow:inset 0 3px 0 #243c30}.board{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:4px;isolation:isolate;touch-action:manipulation;user-select:none}.cell{position:relative;aspect-ratio:1;min-width:0;padding:0;background:#f1efdb;border-radius:5px;box-shadow:inset 0 -3px 0 #d8ddc7;font-size:22px;color:#344b3a;display:grid;place-items:center;transition:none!important}.cell.empty::after{content:"+";font-size:13px;font-weight:400;opacity:.18}.cell.loaded{background:var(--parcel);box-shadow:inset 0 -4px 0 #00000016,inset 0 2px 0 #ffffff70;font-weight:900}.cell.loaded::before{content:"";position:absolute;left:40%;right:40%;top:0;bottom:0;background:#fff3;z-index:-1}.cell.preview{background:color-mix(in srgb,var(--parcel) 45%,#fff);outline:2px dashed #346b56;outline-offset:-4px}.cell.invalid{background:#f1b6a6;outline-color:#b14834}.cell.hint{background:#dfb459;outline:3px dashed #705c28;outline-offset:-5px}.cell.hint-anchor::after{content:"●";opacity:1;font-size:17px;color:#4b492c}.cell:focus-visible{z-index:2;outline-offset:0}.under-board{display:flex;justify-content:space-between;font-size:9px;font-weight:800;letter-spacing:1.5px;padding:13px 3px 0;color:#53705d}.fill-track{height:4px;background:#c8d1bd;border-radius:3px;margin-top:12px;overflow:hidden}.fill-track i{display:block;background:var(--green);height:100%;width:0;transition:width .25s}.desk-heading{display:flex;justify-content:space-between;align-items:center;height:68px}.desk-heading .eyebrow{margin-bottom:7px;font-size:9px;color:var(--muted)}.desk-heading h2{font-size:19px;margin:0}.desk-bear{width:62px;height:69px;transform:rotate(8deg)}.desk-help{font-size:11px;margin:8px 0 14px;color:var(--muted)}.parcels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.parcel{background:#fffdf6;border:1px solid var(--line);border-radius:10px;min-height:102px;padding:9px 5px 6px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;position:relative}.parcel[aria-pressed="true"]{background:#fff9e7;border:2px solid var(--green);padding:8px 4px 5px;box-shadow:0 0 0 2px #39877518}.parcel.in-truck{opacity:.45}.parcel-label{font-size:9px;font-weight:700;white-space:nowrap}.mini{--unit:15px;display:grid;grid-template-columns:repeat(var(--mw),15px);grid-template-rows:repeat(var(--mh),15px);gap:2px;position:relative;margin:2px;min-height:32px;align-content:center;justify-content:center}.mini i{background:var(--parcel);border-radius:2px;box-shadow:inset 0 -2px 0 #00000013}.mini::after{content:"●";position:absolute;left:calc(var(--anchor-x,0) * (var(--unit) + 2px) - 4px);top:-9px;font-size:11px;color:var(--ink);text-shadow:0 0 2px #fff,0 0 3px #fff;line-height:1}.selection-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:12px 0 10px}.selection-bar>span{font-size:12px;font-weight:700}.selection-bar button{background:var(--green);color:#fff9e9;border-radius:7px;padding:10px 13px;font-size:13px;min-height:42px}kbd{font:inherit;opacity:.65;font-size:9px;margin-left:5px}.anchor-help{font-size:10px;line-height:1.9;color:var(--muted);margin:9px 0 14px}.anchor-help>span{color:var(--ink)}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.tools button{border:1px solid #cfd5c5;background:transparent;border-radius:7px;min-height:42px;font-size:10px;padding:8px 2px}.tools button:hover{background:#e9e9da}.feedback{background:#ececdd;border-left:3px solid var(--green);border-radius:0 7px 7px 0;font-size:11px;line-height:1.8;padding:11px 13px;margin:14px 0 10px;min-height:60px;overflow-wrap:anywhere}.feedback.error{border-color:var(--coral);background:#f8e4d7}.star-rule{font-size:10px;color:#9c772f;line-height:1.8;margin:0}.star-rule span{color:var(--muted)}.is-playing footer{margin-top:23px;border-top:1px solid var(--line)}dialog{color:var(--ink);background:var(--paper);border:1px solid #d8d9ca;border-radius:20px;padding:30px;width:min(460px,calc(100% - 28px));max-height:calc(100dvh - 28px);overflow-y:auto;box-shadow:0 25px 90px #142a3340}dialog::backdrop{background:#1f382e80;backdrop-filter:blur(4px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.dialog-top .eyebrow{margin:0;font-size:9px}.close{background:#e7e8db;min-width:40px;min-height:40px;font-size:24px;border-radius:50%}dialog h2{font-size:26px;margin:0 0 14px}.dialog-copy{font-size:12px;line-height:1.9;color:#6b776b;margin:0 0 22px}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.level-button{display:flex;flex-direction:column;align-items:center;gap:6px;background:#fffcf1;border:1px solid #d6daca;border-radius:9px;padding:12px 3px;min-height:79px}.level-button strong{font-family:Georgia,serif;font-weight:400;font-size:26px}.level-button small{font-size:9px;color:#a97925}.level-button.current{border:2px solid var(--green)}.level-button:disabled{background:#e4e7d8}.map-total{text-align:center;font-size:12px;margin:18px 0 0;color:var(--green)}#resultDialog{text-align:center}.result-mascot{position:relative;width:115px;margin:0 auto}.result-mascot svg{width:115px;height:120px}.result-mascot span{position:absolute;right:-10px;bottom:5px;width:34px;height:34px;display:grid;place-items:center;border:3px solid var(--paper);border-radius:50%;background:var(--green);color:white}.result-stars{font-size:38px;letter-spacing:7px;color:#ddab43;margin:13px 0 8px;text-shadow:0 3px 0 #bc863e23}.result-stars span{color:#d7d8c8}.result-note{font-size:11px;background:#e6eadc;padding:14px;border-radius:8px;line-height:1.9;margin:0 0 20px}dialog .primary{width:100%;justify-content:center}.result-actions{display:flex;justify-content:space-around;margin-top:18px;gap:10px}.result-actions button,.cancel-reset{background:transparent;text-decoration:underline;text-underline-offset:5px;font-size:11px;padding:10px}.cancel-reset{display:block;margin:14px auto 0}.complete-pop{animation:pop .5s ease-out}@keyframes pop{50%{transform:scale(1.025)}}
@media(min-width:1050px) and (max-height:760px){.topbar{height:82px}.home{min-height:464px;padding:25px 0 22px}.hero-art{height:409px}.howto{padding:18px 0}.hero-copy h1{font-size:54px}.intro{margin-bottom:18px}.lead{font-size:20px}.play{padding-top:18px}.workspace{gap:40px;grid-template-columns:minmax(0,1fr) minmax(290px,.85fr);max-width:940px;margin:auto}.board-frame{padding:8px}.cargo-panel{max-width:440px}.mission-heading{margin-bottom:16px}.is-playing footer{margin-top:20px;padding-top:15px}.cell{max-height:90px}}
@media(max-width:800px){.app{padding:0 22px}.topbar{height:82px}.home{gap:12px;min-height:480px}.hero-copy h1{font-size:43px}.lead{font-size:18px}.intro{font-size:11px}.hero-art{height:370px}.demo-truck{width:250px;margin-right:25px}.courier{right:-13px;bottom:33px}.courier svg{width:113px;height:120px}.postmark{width:78px;height:78px;right:-6px;top:2px}.postmark b{font-size:12px}.postmark small{font-size:6px}.spark-one{font-size:27px;left:-7px}.spark-two{right:-6px;top:123px}.start{min-width:240px}.howto{gap:15px}.howto>div{gap:9px}.howto>div+div{padding-left:15px}.howto span{font-size:9px}.workspace{gap:22px;grid-template-columns:minmax(0,1fr) minmax(270px,.8fr)}.cargo-panel{padding:14px}.parcels{gap:6px}.parcel{min-height:94px}.mini{--unit:13px;grid-template-columns:repeat(var(--mw),13px);grid-template-rows:repeat(var(--mh),13px)}.cargo-caption{font-size:9px;flex-wrap:wrap}.cell{font-size:19px}}
@media(max-width:620px){.app{padding:0 19px}.topbar{height:76px;gap:5px}.brand{font-size:17px;gap:8px}.brand small{font-size:6px;letter-spacing:2px}.brand-icon{width:35px;height:35px;font-size:27px;border-radius:10px}nav{gap:6px}.quiet{font-size:10px;padding:10px 11px}.quiet span{margin-left:4px}.sound{min-width:62px}.home{grid-template-columns:1fr;padding:25px 0 20px;gap:0}.hero-copy{position:relative;z-index:2}.eyebrow{font-size:9px;margin-bottom:12px}.hero-copy h1{font-size:43px;line-height:1.24;letter-spacing:-1.8px;margin-bottom:15px}.hero-copy h1 br{display:none}.hero-copy h1>span{display:block}.hero-copy .eyebrow{letter-spacing:1.1px}.lead{font-size:16px;line-height:1.65;margin-bottom:13px}.lead br{display:none}.intro{font-size:11px;line-height:1.8;margin-bottom:18px}.primary{min-height:50px}.start{width:100%;font-size:14px;justify-content:space-between}.save-summary{text-align:center;font-size:9px;margin-top:13px}.hero-art{height:318px;grid-row:2;margin-top:0}.demo-truck{width:234px;margin-right:41px;margin-top:0}.courier{right:1px;bottom:24px}.courier svg{width:99px;height:105px}.courier span{font-size:7px;padding:5px}.postmark{right:2px;top:6px;width:71px;height:71px;gap:5px}.postmark b{font-size:10px}.spark-one{top:23px;left:15px}.spark-two{right:0;top:102px}.road{bottom:0}.howto{padding:18px 0;gap:8px}.howto>div{align-items:flex-start;gap:6px}.howto b{font-size:22px}.howto strong{font-size:11px;margin-bottom:4px}.howto span{font-size:8px;display:block;line-height:1.7}.howto>div+div{padding-left:8px}footer{display:block;text-align:center;padding:19px 0;font-size:9px}footer small{display:block;margin-top:9px;font-size:8px}.play{padding-top:17px}.mission-heading{margin-bottom:14px}.mission-heading h1{font-size:21px}.mission-heading .eyebrow{font-size:8px;margin-bottom:6px}.delivery-number{gap:5px}.delivery-number strong{font-size:34px}.delivery-number span{font-size:10px}.workspace{grid-template-columns:1fr;gap:18px}.cargo-panel{padding:13px 14px 12px;width:100%;max-width:420px;margin:auto}.cargo-caption{margin-bottom:10px;font-size:10px}.board-frame{padding:8px}.board{gap:4px}.cell{font-size:23px;max-height:100px}.under-board{font-size:8px;padding-top:9px}.fill-track{margin-top:9px}.desk-heading{height:45px}.desk-heading .eyebrow{font-size:8px;margin-bottom:4px}.desk-heading h2{font-size:16px}.desk-bear{width:47px;height:52px}.desk-help{font-size:10px;margin:8px 0 10px}.parcels{grid-template-columns:repeat(3,1fr);gap:7px}.parcel{min-height:90px}.mini{--unit:13px;grid-template-columns:repeat(var(--mw),13px);grid-template-rows:repeat(var(--mh),13px);min-height:28px}.selection-bar{padding-top:10px}.selection-bar button{padding:9px 17px}.anchor-help{font-size:10px;margin:8px 0 11px}.tools button{font-size:11px;min-height:44px}.feedback{font-size:11px;min-height:52px;margin:12px 0 8px}.star-rule{font-size:9px}.is-playing footer{margin-top:18px}dialog{padding:24px 20px}.result-stars{font-size:35px}dialog h2{font-size:24px}}
@media(max-width:350px){.app{padding-inline:13px}.brand{font-size:15px;gap:6px}.brand-icon{width:31px;height:31px;font-size:24px}.quiet{padding:10px 8px}.quiet span{display:none}.hero-copy h1{font-size:39px}.hero-art{height:302px}.demo-truck{width:216px}.postmark{right:-3px}.courier{right:-3px}.mission-heading h1{font-size:19px}.cargo-panel{padding:11px}.cargo-caption{font-size:9px}.board{gap:3px}.cell{font-size:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}