:root{--ink:#19364e;--paper:#fff9e9;--wood:#ae804a;--green:#536d5a}*{box-sizing:border-box}body[data-dm-site-theme]{color:var(--ink);background:#f3e7cc url('./images/background.webp') center top/cover fixed;font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',sans-serif}main{max-width:1060px;margin:auto;padding:18px 24px 28px}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;color:var(--ink);border:1px solid #aa956a;border-radius:9px;background:#fff9e9;min-height:46px;padding:10px 17px;cursor:pointer;font-weight:700}button:hover{background:#f5e3b9}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,summary:focus-visible,canvas:focus-visible{outline:3px solid #236c97;outline-offset:4px}.primary{background:var(--green);color:white;border-color:#354d40;box-shadow:0 4px 0 #314c3b}.primary:hover{background:#3d5847}.title{text-align:center;margin:0 0 22px}.title p{margin:4px;font-size:14px;letter-spacing:.1em}.title h1{font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-size:clamp(28px,4.6vw,48px);letter-spacing:.04em;margin:8px 0;line-height:1.3;color:#19364e}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:26px;align-items:start;max-width:890px;margin:auto}.board-column{grid-column:1;grid-row:1;min-width:0}.board-frame{position:relative;border:12px solid #b48750;border-radius:13px;background:#ead7b3;box-shadow:inset 0 0 0 3px #f6ddaa,0 7px 0 #8f6535,0 12px 22px #52452425;border-image:none}canvas{width:100%;height:auto;aspect-ratio:560/680;display:block;touch-action:none;border-radius:2px;user-select:none}.scroll-panel{grid-column:2;grid-row:1;padding:20px 17px 24px;background:linear-gradient(90deg,#dedbbd,#fdf5e2 9%,#fff8e7 90%,#e5d9b8);border:2px solid #7f8060;border-top:15px solid #69745a;border-bottom:15px solid #69745a;border-radius:8px;box-shadow:0 6px 13px #3b392425;display:grid;gap:14px}.score-box{display:grid;border-bottom:1px solid #b7a681;padding-bottom:12px}.score-box>span,.next-box>span,.highest-box>span{font-weight:700;font-size:17px}.score-box>strong{font-family:Georgia,serif;font-size:46px;line-height:1.15;margin:6px 0}.score-box small{font-size:12px}.next-box{display:grid;grid-template-columns:1fr;gap:5px}.next-ball{height:125px;width:125px;margin:auto;border:3px double #8e9570;border-radius:50%;display:flex;align-items:center;flex-direction:column;justify-content:center;background:#efe2b7;overflow:hidden}.next-ball img{width:74px;height:74px;object-fit:contain}.next-ball span{font-family:'Yu Mincho',serif;font-weight:bold;font-size:24px;line-height:1.1}.highest-box{display:grid;gap:7px}.highest-box strong{background:#eee0bb;padding:9px;text-align:center;border:1px solid #ccb477;border-radius:7px;font-size:22px}.goal{margin:0;padding:9px;background:#f2d5c6;border:1px solid #d8b093;border-radius:7px;text-align:center;font-weight:bold}.retirement{font-size:12px;background:#e2e8e5;border-radius:7px;padding:9px;margin:0;min-height:50px}.wood-button{background:linear-gradient(#f5d9a2,#d6ad70);border-color:#a37641;font-size:18px}.board-help{font-size:12px;line-height:1.8;margin:15px 3px 6px}.discovery-note{font-size:14px;line-height:1.7;min-height:62px;margin:5px 0 0;background:#fff9eadd;border:1px solid #c5b086;border-radius:10px;padding:10px 14px}.board-overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:#fff6dfd9;padding:18px;border-radius:2px}.board-overlay h2{font-family:'Yu Mincho',serif;font-size:32px;line-height:1.55;margin:18px 0}.board-overlay p{line-height:1.9;font-size:15px}.board-overlay .primary{margin-top:15px;font-size:18px;min-width:210px}.eyebrow{letter-spacing:.12em;font-size:12px;color:#6a7250;font-weight:bold}[hidden]{display:none!important}.era-flow{margin-top:22px;padding:14px 17px 18px;background:#fff9e6dc;border-radius:14px;border:1px solid #cab48a}.flow-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.flow-heading h2{font-family:'Yu Mincho',serif;font-size:23px;margin:0 0 13px}.flow-heading>span{font-size:11px}#era-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px}#era-list li{position:relative}#era-list button{display:grid;grid-template-columns:auto 1fr;padding:7px 5px;gap:2px;min-height:74px;width:100%;border-radius:7px;font-size:14px;background:#f7f1e1;border-color:#b7a77e;text-align:left}#era-list small{font-size:10px}#era-list img{width:30px;height:30px;grid-column:2;justify-self:end}#era-list .era-name{font-weight:700;grid-column:2;word-break:keep-all;font-size:12px}#era-list .era-mark{position:absolute;left:5px;bottom:8px;font-size:9px;font-weight:normal}#era-list [data-highest=true] button{outline:2px solid #bd8c2c;background:#fae9b1}#era-list [data-retired=true] button{background:#e3e2d9;color:#59635e;border-style:dashed}.instructions{background:#fff9e9dc;border:1px solid #c6b58f;border-radius:10px;margin:18px 0;padding:14px 18px;font-size:14px;line-height:1.9}.instructions summary{cursor:pointer;font-weight:700}footer{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;font-size:12px;margin:20px 0}footer a{color:var(--ink)}#save-status,#asset-status{font-size:13px;text-align:center}dialog{color:var(--ink);border:2px solid #b99e70;border-radius:16px;background:#fff9e9;max-width:min(920px,94vw);max-height:90dvh;padding:24px}dialog::backdrop{background:#1a302eaa}.dialog-heading{display:flex;align-items:center;justify-content:space-between;position:sticky;top:-24px;z-index:1;background:#fff9e9;border-bottom:1px solid #cabb9f;padding-bottom:12px;gap:12px}.dialog-heading h2{margin:0;font-family:'Yu Mincho',serif}.dialog-heading button{white-space:nowrap}#book-dialog>p{font-size:13px;line-height:1.8}#book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}#book-grid article{border:1px solid #d7c7a1;padding:14px;border-radius:10px;background:#fffdf4}#book-grid h3{margin:12px 0;font-size:21px}#book-grid rt{font-size:11px}#book-grid img{width:100%;height:160px;object-fit:contain}#book-grid p{font-size:14px;line-height:1.9;margin:8px 0}#book-grid small{color:#6f765b;font-size:12px}.result-scroll{text-align:center;min-width:min(340px,75vw)}.result-scroll h2{font-size:30px;font-family:'Yu Mincho',serif}.result-score{display:inline-block;font-size:56px;font-family:Georgia,serif;margin:12px}.result-scroll dl{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0}.result-scroll dd{margin:0;font-weight:700}.result-scroll button{display:block;width:100%;margin:12px 0}.result-scroll p{font-size:14px;line-height:1.8}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:650px){body[data-dm-site-theme]{background-image:url('./images/background-mobile.webp');background-attachment:scroll}main{padding:14px 10px 22px}.title{margin-bottom:14px}.title p{font-size:11px;letter-spacing:.04em}.title h1{font-size:29px}.play-layout{display:flex;flex-direction:column;gap:12px;max-width:450px}.scroll-panel{order:0;width:100%;grid-template-columns:1.3fr 1fr 1fr;padding:9px 10px;border-width:2px;border-top-width:6px;border-bottom-width:6px;gap:7px}.score-box{grid-column:1;grid-row:1/3;border:0;padding:0}.score-box>strong{font-size:32px;margin:0}.score-box>span,.next-box>span,.highest-box>span{font-size:12px}.score-box small{font-size:10px}.next-box{grid-column:2;grid-row:1/3;display:flex;align-items:center;gap:6px}.next-ball{width:59px;height:65px;border-width:2px;flex-shrink:0}.next-ball img{width:35px;height:35px}.next-ball span{font-size:14px}.highest-box{grid-column:3;grid-row:1;gap:2px}.highest-box strong{font-size:15px;padding:4px}.goal{grid-column:3;grid-row:2;padding:3px;font-size:11px}.retirement{grid-row:3;grid-column:1/4;min-height:0;font-size:11px;padding:5px 7px}.scroll-panel button{grid-row:4;padding:7px;min-height:44px;font-size:13px}.scroll-panel #book-button{grid-column:1}.scroll-panel #pause-button{grid-column:2/4}.board-column{order:1;width:100%}.board-frame{border-width:8px;border-radius:9px}.board-overlay h2{font-size:27px}.board-overlay p{font-size:13px}.board-overlay .primary{min-width:0;width:100%;font-size:16px}.board-overlay .eyebrow{font-size:10px}.board-help{font-size:11px;margin:12px 2px 5px}.discovery-note{min-height:62px;font-size:12px;padding:8px 10px}.era-flow{padding:12px 10px;margin-top:14px}.flow-heading{display:block}.flow-heading h2{font-size:21px;margin-bottom:4px}.flow-heading>span{display:block;margin-bottom:10px}#era-list{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}#era-list button{padding:5px 4px;min-height:77px;gap:2px}#era-list .era-name{font-size:11px;word-break:normal}#era-list img{width:25px;height:25px}#era-list .era-mark{font-size:8px;bottom:6px;left:4px}#book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}dialog{padding:16px;max-width:95vw}.dialog-heading{top:-16px}#book-grid article{padding:10px}#book-grid img{height:110px}#book-grid h3{font-size:18px}#book-grid p{font-size:12px}#book-grid small{font-size:10px}}
body{margin:0}.skip-link{position:absolute;left:10px;top:-60px;background:#fff;padding:10px;z-index:1000}.skip-link:focus{top:6px}.title p{line-height:1.6}.title h1{margin:5px 0}
@media(min-width:651px){.play-layout{grid-template-columns:minmax(320px,min(600px,calc((100dvh - 205px)*.823529))) 220px;justify-content:center;gap:22px}.title{margin-bottom:15px}.title h1{font-size:42px}.scroll-panel{gap:10px;padding:13px 14px 15px}.next-ball{width:103px;height:103px}.next-ball img{width:61px;height:61px}.next-ball span{font-size:23px}.score-box>strong{font-size:40px}.highest-box strong{padding:6px}.retirement{min-height:40px}.scroll-panel button{min-height:44px;padding:8px}.board-overlay h2{font-size:29px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
#checkpoint-status{font-size:12px;line-height:1.7;margin:10px 3px;color:#334c3e}#checkpoint-retry{font-size:13px}.board-overlay{overflow:auto}.board-overlay>div{max-width:100%;width:100%}.board-overlay #resume-summary{font-size:14px;line-height:1.6;background:#f1e4c5;border-radius:8px;padding:10px;margin:8px 0}.board-overlay #load-button{display:block;margin:10px auto}.board-overlay:has(#load-button:not([hidden])) h2{font-size:24px;margin:8px 0}.board-overlay:has(#load-button:not([hidden])) #start-description{display:none}.board-overlay:has(#load-button:not([hidden])) #start-button{background:#fff9e9;color:var(--ink);box-shadow:none;font-size:14px;margin-top:4px}#pause-save-note{font-size:13px;line-height:1.7}.checkpoint-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}#replace-dialog{max-width:min(440px,94vw)}#replace-dialog p{line-height:1.8;font-size:14px}
@media(max-width:650px){.board-overlay{padding:12px}.board-overlay h2{margin:10px 0}.board-overlay #resume-summary{font-size:12px;padding:8px}.board-overlay:has(#load-button:not([hidden])) h2{font-size:22px}.board-overlay:has(#load-button:not([hidden])) .primary{margin-top:8px}#checkpoint-status{font-size:11px}}
#resume-summary{white-space:pre-line}
#sound-button{white-space:nowrap}#sound-button[aria-pressed=true]{background:#e2ebdc;border-color:#65805f}
@media(max-width:650px){.scroll-panel #sound-button{grid-row:5;grid-column:1/4}}

#cloud-conflict h2{font-size:18px;margin:4px 0 10px}#cloud-conflict h3{font-size:15px;margin:18px 0 5px}#cloud-device-summary,#cloud-account-summary{white-space:pre-line;overflow-wrap:anywhere}#cloud-conflict button{max-width:100%;white-space:normal}#cloud-retry{font-size:13px}

@media(max-width:650px){.scroll-panel #title-button{grid-row:5;grid-column:1/3}.scroll-panel #sound-button{grid-column:3}.scroll-panel:has(#title-button[hidden]) #sound-button{grid-column:1/4}}