:root{--ink:#24495a;--blue:#1b83ae;--blue-dark:#17668b;--mint:#82a781;--paper:#fffdf7;--line:#dce8e7;--muted:#66818b;--pink:#ef8495}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;color:var(--ink);background:var(--paper);font-family:'Zen Maru Gothic',sans-serif;font-weight:700;line-height:1.9}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,ol:focus-visible{outline:2px solid #68b9dc;outline-offset:4px}button:disabled{opacity:.55;cursor:default}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.5;font-weight:900;letter-spacing:.06em}h1{font-size:clamp(36px,4.4vw,62px)}h2{font-size:clamp(30px,3vw,44px)}h3{font-size:32px}p{font-size:16px;line-height:2.15}img{max-width:100%;height:auto;display:block}[hidden]{display:none!important}.wrap{width:min(1100px,calc(100% - 72px));margin-inline:auto}.sp{display:none}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 max(32px,calc((100vw - 1280px)/2));background:#fffdf7}.site-header nav{display:flex;align-items:center;gap:32px;font-size:13px}.site-header nav a:hover{text-decoration:underline;text-underline-offset:7px}.site-header button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 19px;display:flex;align-items:center;gap:7px;color:var(--ink)}.site-header svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.game-section{background:#dceef4}.game-shell{position:relative;height:min(750px,calc(100svh - 76px));min-height:560px;max-width:1440px;margin:auto;overflow:hidden;background:#cde8f5}.game-cover{height:100%;display:grid;place-items:center;position:relative}.game-backdrop{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:blur(3px);transform:scale(1.025)}.game-cover:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#deeff520,#dceef550 70%,#dceef5a8)}.game-home{position:relative;z-index:1;text-align:center;display:flex;align-items:center;flex-direction:column;max-width:520px;padding:22px 28px 32px;filter:drop-shadow(0 3px 9px #e2f3fa)}.game-logo{width:330px;max-height:270px;object-fit:contain}.home-tag{font-size:16px;letter-spacing:.09em;margin:0 0 21px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:45px;border:0;border-radius:13px;padding:16px 32px;color:white;background:linear-gradient(#269bc3,#1579a7);box-shadow:0 5px 0 #12618b;font-weight:900;font-size:18px;min-height:60px}.primary:hover{filter:brightness(1.07)}.primary:active{transform:translateY(2px);box-shadow:0 3px 0 #12618b}.primary span{font-size:25px}.home-ranking{border:0;border-bottom:1px solid #638492;background:transparent;color:var(--ink);font-size:14px;margin-top:23px;line-height:1.8}.home-note{font-size:12px;margin-top:14px;color:#476b7c}iframe{width:100%;height:100%;border:0;display:block}.close-game{position:absolute;top:10px;left:10px;z-index:5;background:#fffdf7e8;border:1px solid var(--line);border-radius:99px;font-size:11px;padding:4px 12px;color:var(--ink)}.preview-label{font-size:11px;color:#597983;padding:10px 24px;display:flex;justify-content:center;gap:24px;background:#edf5f6;line-height:1.7}.preview-label a{text-decoration:underline}.eyebrow{display:block;letter-spacing:.2em;color:#749989;font-size:12px;line-height:1.5;margin-bottom:17px;font-weight:900}.intro{display:grid;grid-template-columns:.92fr 1.18fr;align-items:center;gap:22px;padding-top:105px;padding-bottom:95px;position:relative}.intro-copy p{margin-top:26px}.text-link{display:inline-flex;gap:22px;margin-top:31px;font-size:13px;border-bottom:1px solid var(--line);padding-bottom:6px}.intro-art{position:relative;isolation:isolate;align-self:center}.intro-art img{width:115%;max-width:none;position:relative;left:-3%}.art-orbit{position:absolute;width:89%;aspect-ratio:1;background:#edf4e7;border-radius:50%;top:50%;left:55%;transform:translate(-50%,-50%);z-index:-1}.section-heading{text-align:center;margin-bottom:60px}.section-heading p{color:var(--muted);margin-top:16px;font-size:14px}.how{padding-block:45px 95px}.guides{display:flex;flex-direction:column;gap:85px}.guide{display:grid;grid-template-columns:1.18fr 1fr;gap:65px;align-items:center}.guide.reverse{grid-template-columns:1fr 1.18fr}.guide.reverse .guide-art{order:2}.guide.reverse .guide-copy{order:1;padding-left:25px}.guide-art{min-height:350px;display:grid;place-items:center;position:relative;isolation:isolate}.guide-art:before{content:'';position:absolute;inset:10% 0 3%;background:#eef3e4;border-radius:48% 52% 40% 60%/52% 48% 52% 48%;z-index:-1}.guide-art.sky:before{background:#e8f2f6}.guide-art.breeze:before{background:#e7f3ed;inset:7% 5%}.guide-art img{max-height:430px;width:100%;object-fit:contain}.step{display:flex;align-items:center;gap:11px;font-size:13px;color:#75927c;letter-spacing:.09em;margin-bottom:16px}.step:first-letter{font-size:18px}.step i{width:24px;height:1px;background:#aec1b0}.guide-copy p{margin-top:22px;font-size:15px;font-weight:500}.control-note{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 15px;color:#6c828a;font-size:12px;line-height:2.2}.control-note span{white-space:nowrap}kbd{font-family:inherit;font-size:11px;font-weight:700;display:inline-block;line-height:24px;min-width:26px;padding:0 6px;border:1px solid #c9dcdf;border-bottom:3px solid #c9dcdf;border-radius:6px;color:#39768e;background:#fff}.small-note{display:block;font-size:12px;color:#79918e;margin-top:20px}.journey{background:#edf4e8;padding:75px 0 85px;position:relative}.journey:before,.journey:after{content:'';position:absolute;height:24px;background:var(--paper);width:100%;border-radius:0 0 50% 50%;top:-1px}.journey:after{top:auto;bottom:-1px;transform:rotate(180deg)}.journey .section-heading{margin-bottom:35px}.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;text-align:center}.help-grid article{padding:5px 12px}.help-icon{display:flex;height:78px;align-items:center;justify-content:center;font-size:47px;font-weight:900}.help-icon.hearts{font-size:30px;letter-spacing:5px;color:var(--pink)}.help-icon.wind{color:#7aa9b1;font-size:60px;line-height:1}.help-grid h3{font-size:19px;margin:12px 0}.help-grid p{font-size:14px;font-weight:500;color:#58746a}.duo{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;padding-block:105px}.duo p{font-size:15px;font-weight:500;margin-top:24px}.duo-art img{width:100%}.duo-names{display:flex;gap:27px;font-size:11px;color:var(--muted);margin-top:22px}.duo-names span{display:flex;flex-direction:column}.duo-names strong{font-size:19px;color:var(--ink)}.rank-invite{display:flex;justify-content:space-between;align-items:center;padding:56px 68px;border:1px solid #d6e2d7;border-radius:28px;background:#f2f6ec}.rank-invite p{margin:21px 0 26px;font-size:14px;font-weight:500}.outline{display:inline-flex;justify-content:center;align-items:center;gap:28px;border:1.5px solid #65929d;border-radius:10px;background:transparent;color:#356575;padding:12px 21px;font-size:14px;font-weight:900}.outline:hover{background:#e4f0ec}.rank-art{display:flex;align-items:center;justify-content:center;width:43%;color:#8d9e6d}.rank-art strong{text-align:center;font-size:16px;letter-spacing:.13em;line-height:1.5;color:#6d8d7e}.rank-art b{font-size:100px;font-family:Georgia,serif;line-height:1.1;letter-spacing:0}.rank-art small{font-size:17px;display:inline-block;letter-spacing:0}.laurel{font-size:100px;transform:rotate(-65deg);opacity:.5}.laurel.flip{transform:rotate(65deg) scaleX(-1)}.closing{text-align:center;padding:110px 24px 80px}.closing h2{margin-bottom:28px}.closing .primary{font-size:16px}.credits{text-align:center;border-top:1px solid var(--line);padding-top:40px;padding-bottom:40px}.credits .eyebrow{font-size:10px;margin-bottom:10px}.credits p{font-size:12px;color:#738584;font-weight:500}.credits a{text-decoration:underline;text-underline-offset:4px}.site-footer{display:flex;gap:30px;align-items:center;padding:25px 0 40px;border-top:1px solid var(--line)}.site-footer nav{display:flex;gap:25px;margin-left:auto;font-size:12px}.site-footer small{font-size:10px;color:var(--muted)}.dialog{border:0;border-radius:28px;padding:36px 34px 24px;color:var(--ink);background:#f6fcfe;box-shadow:0 24px 90px #143b4f38;width:min(500px,calc(100% - 32px));max-height:calc(100svh - 32px);overflow:auto}.dialog::backdrop{background:#173c5270;backdrop-filter:blur(5px)}.dialog h2{font-size:25px;letter-spacing:.03em;text-align:center}.dialog>.eyebrow{text-align:center;color:#78a0ad;font-size:10px;margin:1px 0 10px}.dialog-close{position:absolute;right:14px;top:12px;display:grid;place-items:center;border:0;background:transparent;color:#31576b;font-size:34px;font-family:Arial,sans-serif;font-weight:700;line-height:1;width:40px;height:40px}.rank-tabs{display:flex;border:1px solid #c7dfe6;border-radius:12px;padding:4px;gap:4px;margin:24px 0 16px;background:#e5f0f4}.rank-tabs button{flex:1;border:0;color:#5c7e8d;background:transparent;border-radius:8px;padding:8px 0;white-space:nowrap;font-size:13px}.rank-tabs button[aria-pressed=true]{background:white;color:#216c91;box-shadow:0 2px 6px #476e7b14}.rank-columns{display:grid;grid-template-columns:45px 1fr 100px;gap:8px;font-size:11px;color:#7995a1;padding:0 13px 8px;border-bottom:1px solid #d4e5ec}.rank-columns span:last-child{text-align:right}.rank-entries{list-style:none;padding:0;margin:0;max-height:min(430px,48svh);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#bdd8e3 transparent}.rank-row{display:grid;grid-template-columns:37px 1fr auto;gap:8px;align-items:center;padding:12px 13px;border-bottom:1px solid #e1edf1;min-height:53px;line-height:1.5}.rank-row .place{font-size:18px;font-weight:900;text-align:center;color:#8098a0}.rank-row:nth-child(1) .place{color:#b59442}.rank-row:nth-child(2) .place{color:#829eac}.rank-row:nth-child(3) .place{color:#b48c70}.rank-row .name{font-size:14px;overflow-wrap:anywhere}.rank-row .distance{font-size:22px;font-weight:900;font-variant-numeric:tabular-nums;white-space:nowrap}.rank-row small{font-size:11px;padding-left:3px}.rank-row.self{background:#def0f7;border:1px solid #a0c8da;border-radius:9px}.self-tag{font-size:9px;color:#347ca2;display:block}.rank-status{font-size:13px;color:#6a8593;text-align:center;line-height:1.8;margin:10px 0}.rank-status:empty{display:none}.rank-foot{font-size:11px;text-align:center;color:#6b8792;margin-top:17px}.sample-note{font-size:10px!important;color:#7d9097!important;line-height:1.8!important;text-align:center;margin-top:9px!important;font-weight:500}.rank-dialog>#rank-retry{display:flex;margin:18px auto}.name-dialog>p{font-size:13px;text-align:center;color:#728996;margin-top:13px}.name-dialog h2{font-size:23px;margin-top:8px}.name-dialog form{margin-top:26px}.name-dialog label{display:flex;gap:5px;align-items:baseline;font-size:14px;flex-wrap:wrap}.name-dialog label small{font-size:9px;font-weight:500;color:#708c97}.name-dialog label span{font-size:10px;margin-left:auto;color:#708c97}.name-dialog input{width:100%;margin-top:8px;padding:13px;border:1.5px solid #bed8e1;border-radius:10px;background:white;font-size:19px;color:var(--ink)}.name-dialog input[aria-invalid=true]{border-color:#d47585}.name-dialog #name-status{font-size:11px;white-space:pre-line;color:#bc5c73;margin-top:6px;line-height:1.7;min-height:19px}.name-dialog .primary{width:100%;font-size:15px;gap:20px;margin:4px 0 12px}.name-dialog .rank-tabs{margin:14px 0 18px}.result-distance{font-size:70px;line-height:1.2;font-weight:900;text-align:center;margin:24px 0}.result-distance small{font-size:19px}.result-actions{display:flex;flex-direction:column;gap:12px}.placement{background:none;border:0;color:#327b9a;text-align:center;font-size:20px;margin-bottom:20px;font-weight:900}.result-status{text-align:center;font-size:12px;color:#748d96;margin:14px 0}.lab{background:#f3f6f2;min-height:100vh;padding:42px 28px}.lab header{max-width:1100px;margin:auto}.lab header p{font-size:13px;margin-top:15px;color:var(--muted)}.lab header a{text-decoration:underline;font-size:12px}.lab-grid{max-width:1100px;margin:40px auto;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.lab-card{background:white;border:1px solid var(--line);border-radius:18px;padding:28px}.lab-card h2{font-size:22px}.lab-card p{font-size:12px;color:var(--muted);margin:8px 0 18px}.lab-controls{display:flex;flex-wrap:wrap;gap:8px}.lab-controls button{padding:8px 15px;border:1px solid #c9dce0;background:#f0f7fa;border-radius:8px;color:#426d80;font-size:12px}.lab-card .dialog{position:relative;margin:18px auto 0;display:block;width:100%;max-height:none;box-shadow:none;border:1px solid var(--line);z-index:0}.lab-card .dialog-close{display:none}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:64px;padding:0 20px}.site-header>a img{width:115px}.site-header nav{gap:12px}.site-header nav>a{display:none}.site-header button{font-size:11px;padding:7px 12px}.game-shell{height:min(730px,calc(100svh - 64px));min-height:580px}.game-backdrop{object-position:45% center}.game-home{padding:16px}.game-logo{width:275px}.home-tag{font-size:13px}.primary{font-size:16px;min-height:57px;padding:14px 26px;gap:35px}.preview-label{display:block;text-align:center;font-size:9px;padding:8px 15px}.preview-label a{display:block}.intro{display:flex;flex-direction:column;padding-top:65px;padding-bottom:40px;gap:35px;text-align:center}.intro-copy p{font-size:14px}.intro-art{width:100%;max-width:520px;margin-block:10px}.intro-art img{width:110%;left:-5%}.eyebrow{font-size:10px;margin-bottom:14px}.text-link{margin-top:23px;font-size:12px}h1{font-size:38px}h2{font-size:30px}h3{font-size:29px}.sp{display:block}.how{padding-top:40px;padding-bottom:65px}.section-heading{margin-bottom:30px}.section-heading p{font-size:12px}.guides{gap:60px}.guide,.guide.reverse{display:flex;flex-direction:column;gap:20px}.guide.reverse .guide-art{order:0}.guide.reverse .guide-copy{order:1;padding-left:0}.guide-art{width:100%;min-height:260px}.guide-art img{max-height:335px}.guide-copy{width:100%;padding-inline:15px}.guide-copy p{font-size:14px;margin-top:17px}.step{font-size:12px;margin-bottom:12px}.control-note{font-size:10px;gap:8px}.control-note .mobile-note{white-space:normal}.journey{padding:60px 0}.help-grid{grid-template-columns:1fr;gap:27px}.help-grid article{display:grid;grid-template-columns:80px 1fr;text-align:left;column-gap:16px;padding:0 10px}.help-icon{grid-row:1/3;align-self:center;font-size:44px}.help-icon.hearts{font-size:17px;letter-spacing:0}.help-grid h3{font-size:18px;margin:0 0 7px}.help-grid p{font-size:13px}.duo{display:flex;flex-direction:column;padding-block:65px;gap:20px}.duo-art{max-width:500px}.duo>div:last-child{padding:0 15px;width:100%}.duo p{font-size:14px}.duo-names{gap:35px}.rank-invite{display:flex;flex-direction:column;padding:35px 30px;align-items:stretch;border-radius:20px}.rank-invite p{font-size:13px}.rank-art{width:100%;margin-top:30px;height:135px}.rank-art b{font-size:80px}.laurel{font-size:85px}.closing{padding:70px 20px 55px}.closing h2{font-size:27px}.credits{padding-block:30px}.site-footer{flex-wrap:wrap;justify-content:center;padding:28px 0;gap:20px}.site-footer>a{width:100%;display:flex;justify-content:center}.site-footer nav{margin:0;gap:20px;font-size:11px}.site-footer small{width:100%;text-align:center}.dialog{padding:35px 20px 20px;border-radius:22px}.dialog h2{font-size:23px}.rank-columns{grid-template-columns:35px 1fr 85px;padding-inline:8px}.rank-row{padding:11px 8px;grid-template-columns:30px 1fr auto}.rank-row .name{font-size:13px}.rank-row .distance{font-size:20px}.name-dialog h2{font-size:21px}.name-dialog label small{font-size:8px}.name-dialog label span{font-size:9px}.lab{padding:25px 16px}.lab-grid{grid-template-columns:1fr;margin:25px auto}.lab-card{padding:20px}.lab h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
/* The opening scene uses the action art first, with the sky added behind it. */
.game-backdrop{filter:none;object-position:center 60%}.game-cover:after{background:linear-gradient(90deg,#eaf5f9b8 0%,#eaf5f940 55%,#d9edf420)}.hero-duo{position:absolute;z-index:1;right:1%;width:59%;top:50%;transform:translateY(-45%);pointer-events:none}.game-home{margin-right:48%;filter:none}.game-logo{width:310px}.game-cover .home-tag{font-size:14px}.game-cover .primary{font-size:16px;gap:28px}.game-home{max-width:450px}
@media(max-width:760px){.game-home{margin:0;width:100%;max-width:none;height:100%;justify-content:flex-end;padding:0 15px 35px}.game-logo{width:240px;position:absolute;top:30px;left:50%;transform:translateX(-50%)}.hero-duo{width:105%;max-width:none;right:-3%;top:50%;transform:translateY(-55%)}.game-cover .home-tag{font-size:12px;margin-bottom:14px}.game-cover .primary{font-size:15px}.home-ranking{margin-top:19px}.home-note{margin-top:10px}.game-cover:after{background:linear-gradient(#eaf5f940,#eaf5f910 55%,#eaf5f9c8)}}
/* Keep the board footprint stable while loading, switching modes or showing errors. */
.rank-dialog[open]{display:flex;flex-direction:column;height:min(760px,calc(100svh - 32px));overflow:hidden}
.rank-dialog>*{flex-shrink:0}
.rank-dialog .rank-entries{flex:1 1 0;min-height:0;max-height:none;overflow-y:auto;scrollbar-gutter:stable}
.rank-dialog #rank-status{display:block;min-height:24px;margin:8px 0}

/* Keep name entry focus in the sky-blue palette; avoid the shared orange ring. */
input:focus-visible{outline:none;border-color:#68b9dc;box-shadow:0 0 0 2px #68b9dc26}

.dialog-close:focus-visible{outline:none;box-shadow:none;color:#0b8fc1}