@font-face{font-family:ABNunito;src:url('./fonts/nunito-900.ttf') format('truetype');font-style:normal;font-weight:900;font-display:swap}
@font-face{font-family:ABNunito;src:url('./fonts/nunito-lower-900.ttf') format('truetype');font-style:normal;font-weight:900;font-display:swap;unicode-range:U+0061-007A}
:root{--ab-ink:#13376b;--ab-outline:#073566}*{box-sizing:border-box}body{margin:0;color:var(--ab-ink);font-family:'Yu Gothic',Meiryo,sans-serif;background:#ace0fa}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--ab-outline);outline-offset:4px}button:focus:not(:focus-visible),[tabindex]:focus:not(:focus-visible){outline:none}[hidden]{display:none!important}.ab-app{position:relative;isolation:isolate;min-height:calc(100svh - var(--dm-common-header-height,58px));background:#95d4f8 url('./images/01-title-background.webp') center/cover no-repeat}.ab-app[data-screen=play]{background-image:url('./images/02-game-background.webp')}.ab-screen{position:relative;max-width:1536px;margin:auto}.ab-title{min-height:calc(100svh - var(--dm-common-header-height,58px));display:grid;place-items:center;padding:25px 16px 22px;overflow:hidden}.ab-title-content{position:relative;z-index:1;width:min(640px,70%);text-align:center}.ab-title h1{margin:0;line-height:0}.ab-logo{display:block;width:100%;height:auto;filter:drop-shadow(0 4px 3px #3e82b638)}.ab-tagline{font-size:clamp(17px,2.5vw,28px);font-weight:800;margin:0 0 28px;text-shadow:0 2px 2px white}.ab-tagline span{font-family:ABNunito,sans-serif;font-size:1.15em}.ab-title-actions,.ab-result-actions{display:grid;justify-items:center;gap:7px}.ab-image-button{position:relative;display:grid;place-items:center;border:0;background:transparent center/100% 100% no-repeat;padding:0 14%;height:auto;aspect-ratio:3.9;width:min(440px,100%);font-weight:900;font-size:clamp(23px,3vw,36px);filter:drop-shadow(0 4px 2px #3472a522);user-select:none}.ab-image-button::before{content:'';position:absolute;inset:0;z-index:-1;background-position:center;background-repeat:no-repeat;background-size:112% 145%;border-radius:999px;clip-path:inset(1% 0 round 999px)}.ab-primary::before{background-image:url('./images/05-button-blue-empty.webp')}.ab-primary{color:#fff;text-shadow:0 2px 3px #164679;font-size:clamp(26px,3vw,40px)}.ab-white::before{background-image:url('./images/06-button-white-empty.webp')}.ab-white{width:min(330px,88%);font-size:clamp(21px,2.5vw,29px)}.ab-image-button:hover{filter:brightness(1.04) drop-shadow(0 5px 3px #235b9133)}.ab-image-button:active{transform:translateY(2px)}.ab-image-button:disabled{opacity:.75;font-size:20px}.ab-panel{background:rgba(247,253,255,.88);border:2px solid white;border-radius:26px;box-shadow:inset 0 0 14px #d2efff,0 2px 4px #1860a429;background-image:url('./images/07-hud-panel-empty.webp');background-size:112% 160%;background-position:center}.ab-best{display:grid;gap:0;justify-content:center;width:fit-content;min-width:210px;max-width:100%;margin:20px auto 13px;padding:10px 24px}.ab-best>span{font-size:16px;font-weight:800}.ab-best strong{font-family:ABNunito,'Yu Gothic',sans-serif;font-weight:900;font-size:clamp(20px,3vw,35px);line-height:1.4}.ab-best strong.is-empty{font-family:inherit;font-size:15px;margin:5px 0}.ab-sound,.ab-small{border:1px solid #83b5d5;background:#f8fdfff0;border-radius:14px;min-width:82px;min-height:44px;font-weight:700;padding:8px 14px;font-size:13px;box-shadow:0 2px 2px #26527d0d}.ab-sound[aria-pressed=true]{background:#e9f8ff;border:2px solid #1b5d8e}.ab-local-note{font-size:12px;margin:10px 0 0;font-weight:700;text-shadow:0 1px white}.ab-notice:empty,.ab-storage-note:empty,.ab-sound-note:empty{display:none}.ab-notice{font-size:14px;background:#fff4d5;border-radius:12px;padding:8px}.ab-storage-note,.ab-sound-note{position:relative;z-index:3;width:fit-content;max-width:95%;margin:0 auto;padding:6px 12px;background:#fff3d7;border-radius:8px;font-size:12px}.ab-sound-note{background:#eff9ff}.ab-orb,.ab-mini-bubbles span{display:grid;place-items:center;border-radius:50%;background:url('./images/04-bubble-empty.webp') center/120% no-repeat;font:900 clamp(40px,7vw,105px)/1 ABNunito,sans-serif;color:#17417a;clip-path:circle(50%);user-select:none}.ab-decor{position:absolute;inset:0;pointer-events:none}.ab-orb{position:absolute;aspect-ratio:1}.orb-a{width:21%;left:2%;top:5%;transform:rotate(-8deg)}.orb-b{width:19%;left:5%;top:52%;transform:rotate(-7deg)}.orb-c{width:21%;right:3%;top:50%;transform:rotate(7deg)}.orb-d{width:10%;left:24%;top:1%;font-size:45px}.orb-g{width:9%;right:10%;top:10%;font-size:45px}.orb-z{width:7%;left:28%;bottom:4%;font-size:32px}
.ab-play{min-height:calc(100svh - var(--dm-common-header-height,58px));display:flex;flex-direction:column;padding:12px 20px 2px}.ab-hud{display:grid;grid-template-columns:1fr 1.12fr 1fr;align-items:center;column-gap:clamp(14px,4vw,65px);position:relative;z-index:1}.ab-brand{text-align:center;align-self:start}.ab-brand img{width:100%;max-width:300px;height:auto;display:block;margin:-12px auto -4px}.ab-progress{display:block;width:78%;margin:auto;font:900 24px/1.3 ABNunito,sans-serif;border-radius:99px}.ab-next{display:flex;align-items:center;justify-content:center;gap:20px;padding:3px 20px;min-height:94px}.ab-next>span{font-size:clamp(16px,2.5vw,25px);font-weight:800}.ab-next strong{font:900 82px/.98 ABNunito,sans-serif}.ab-clock{display:grid;text-align:center;padding:10px;min-height:94px;align-content:center}.ab-clock>span{font-size:clamp(14px,2vw,19px);font-weight:800}.ab-clock output{font:900 clamp(22px,3vw,38px)/1.2 ABNunito,sans-serif;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.ab-play-tools{grid-column:1/-1;display:flex;justify-content:flex-end;gap:8px;margin:4px 0 0}.ab-play-tools button{padding:5px 12px;min-height:36px;font-size:12px;background:#ffffffd9}.ab-board{position:relative;width:100%;min-height:0;flex:none;user-select:none;touch-action:manipulation}.ab-bubble{position:absolute;border:0;padding:0;background:url('./images/04-bubble-empty.webp') center/120% no-repeat;border-radius:50%;clip-path:circle(50%);color:#11356a;display:grid;place-items:center;font-family:ABNunito,'Arial Rounded MT Bold',sans-serif;font-weight:900;line-height:1;touch-action:manipulation;user-select:none;isolation:isolate;transition:none}.ab-bubble>span{pointer-events:none;transform:translateY(-2%);text-shadow:0 1px 0 #ffffff85}.ab-bubble:focus-visible{outline:none;box-shadow:inset 0 0 0 4px #063564,inset 0 0 0 7px white}.ab-bubble.is-gone{opacity:0;pointer-events:none;visibility:hidden;cursor:default}.ab-bubble.is-pop{pointer-events:none;animation:ab-pop 180ms ease-out forwards}.ab-bubble.is-wrong{animation:ab-wobble 220ms ease-in-out}.ab-play-message{font-size:13px;line-height:1.5;min-height:20px;margin:0;text-align:center;font-weight:700;text-shadow:0 1px 2px #fff}.ab-result{display:grid;place-items:center;min-height:calc(100svh - var(--dm-common-header-height,58px));padding:22px 16px}.ab-result-card{max-width:540px;width:100%;padding:20px 36px 22px;background:#f6fcffed;border:3px solid white;border-radius:36px;text-align:center;box-shadow:0 12px 45px #166bb630,inset 0 0 30px #d3eeff}.ab-result h2{font-size:clamp(32px,5vw,48px);margin:4px 0;color:#126797}.ab-finished{font-weight:800;font-size:19px;margin:4px 0 20px}.ab-result-time{margin:10px 0;display:grid;gap:3px}.ab-result-time span{font-size:15px;font-weight:800}.ab-result-time strong{font:900 clamp(42px,6vw,64px)/1.1 ABNunito,sans-serif}.ab-best-announcement{min-height:29px;margin:12px 0 4px;color:#9a4b00;font-weight:800;font-size:20px}.ab-result .ab-best{margin:8px auto 16px}.ab-result .ab-sound{margin-top:12px}.ab-mini-bubbles{display:flex;justify-content:center;gap:8px}.ab-mini-bubbles span{width:48px;height:48px;font-size:28px}.ab-mini-bubbles span:nth-child(2){width:58px;height:58px;font-size:33px;margin-top:-8px}dialog{color:var(--ab-ink);border:2px solid #97cbeb;background:#f5fcff;border-radius:26px;padding:24px;max-width:520px;width:calc(100% - 24px);max-height:90dvh;box-shadow:0 20px 60px #16467840}dialog::backdrop{background:#12386366}dialog h2{margin-top:0}dialog li{margin:12px 0;font-weight:700;line-height:1.8}dialog p{line-height:1.8}dialog form{text-align:center}dialog details{font-size:12px;margin-top:20px}.ab-help-note{font-size:13px}.ab-dialog-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}@keyframes ab-pop{to{transform:scale(1.13);opacity:0}}@keyframes ab-wobble{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
@media(max-width:650px){.ab-title{padding:24px 10px 18px}.ab-title-content{width:92%;max-width:420px}.ab-title h1{margin:0 -10px 4px}.ab-tagline{font-size:17px;margin:6px 0 40px;line-height:1.7;white-space:nowrap}.ab-title-actions{gap:14px}.ab-image-button{width:86%;min-height:62px;font-size:28px}.ab-white{width:68%;min-height:49px;font-size:22px}.ab-best{margin-top:28px;min-width:198px;padding:9px 20px}.ab-best strong{font-size:29px}.ab-best strong.is-empty{font-size:14px}.orb-a{width:22%;left:-7%;top:33%}.orb-b{width:19%;left:-3%;top:auto;bottom:9%}.orb-c{width:24%;right:-8%;top:auto;bottom:15%}.orb-d{width:12%;left:3%;top:4%;font-size:30px}.orb-g{width:12%;right:0;top:5%;font-size:30px}.orb-z{display:none}.ab-play{padding:8px 6px 2px}.ab-hud{grid-template-columns:1fr 1.05fr;column-gap:10px;row-gap:6px}.ab-brand{display:none}.ab-next{gap:10px;min-height:65px;padding:0 12px;border-radius:22px}.ab-next strong{font-size:59px}.ab-next>span{font-size:15px}.ab-clock{padding:4px;min-height:65px;border-radius:22px}.ab-clock>span{font-size:12px}.ab-clock output{font-size:26px}.ab-play-tools{grid-column:1/-1;margin:0;gap:7px;align-items:center;justify-content:flex-end}.ab-play-tools::before{content:attr(data-progress);margin-right:auto;padding-left:9px;font:900 20px/1 ABNunito,sans-serif}.ab-play-tools button{min-height:44px;font-size:11px;min-width:70px;padding:4px 8px}.ab-play-message{font-size:11px}.ab-result-card{padding:20px 18px}.ab-result .ab-image-button{width:100%}.ab-result .ab-white{width:80%}.ab-result-time strong{font-size:46px}.ab-result .ab-best{margin:12px auto}.ab-finished{font-size:17px}}
@media(max-height:530px) and (min-width:600px){.ab-play{padding-top:5px}.ab-hud{grid-template-columns:.8fr 1fr 1.1fr auto;gap:12px}.ab-play-tools{grid-column:auto;display:grid;gap:3px;margin:0}.ab-play-tools button{min-height:34px;padding:3px 8px}.ab-brand img{max-width:180px;margin:-8px auto -7px}.ab-progress{font-size:17px}.ab-next,.ab-clock{min-height:64px;padding:5px 10px}.ab-next strong{font-size:52px}.ab-clock output{font-size:26px}.ab-clock>span{font-size:13px}.ab-title-content{max-width:450px}.ab-title{padding:8px}.ab-title h1{width:70%;margin:auto}.ab-tagline{margin:0 0 10px;font-size:17px}.ab-title-actions{display:flex;align-items:center;justify-content:center;gap:12px}.ab-title .ab-image-button{width:240px;min-height:54px;font-size:24px}.ab-title .ab-white{width:180px;min-height:47px;font-size:19px}.ab-title .ab-best{margin:10px auto;padding:3px 25px}.ab-title .ab-best strong{font-size:24px}.ab-title .ab-local-note{margin-top:4px}}
@media(prefers-reduced-motion:reduce){.ab-bubble.is-pop,.ab-bubble.is-wrong{animation:none}.ab-bubble.is-pop{opacity:0}.ab-image-button:active{transform:none}}
.ab-mobile-brand{display:none}.ab-play-tools button{min-height:44px}.ab-bubble.is-pop{animation-name:ab-pop-contained}@keyframes ab-pop-contained{to{transform:scale(.85);opacity:0}}
@media(max-width:650px){.ab-play-tools::before{display:none}.ab-mobile-brand{display:flex;align-items:center;gap:5px;margin-right:auto}.ab-mobile-brand img{width:77px;height:auto}.ab-mobile-brand span{white-space:nowrap;font:900 17px/1 ABNunito,sans-serif}}
.ab-image-button{border-radius:999px;clip-path:inset(0 round 999px)}.ab-image-button:focus-visible{outline:none;box-shadow:inset 0 0 0 3px #073566,inset 0 0 0 6px white}
.ab-image-button{padding:0 8%;white-space:nowrap}
.ab-sound{border-width:2px}
/* Keep the optional speech notice inside the existing footer space. Adding a
   document-flow row would create a scrollbar and resize/repack every bubble. */
.ab-sound-note{position:absolute;inset-inline:0;bottom:0;max-width:calc(100% - 16px);padding:2px 8px;font-size:11px;line-height:20px;text-align:center;pointer-events:none}
.ab-app .dm-completion-status:not([hidden]){position:fixed;z-index:50;bottom:12px;left:12px;right:12px;max-width:560px;margin:auto;padding:12px 16px;background:#fff9e8;color:#13376b;border:2px solid #cc8500;border-radius:16px;box-shadow:0 4px 20px #13376b30;font-size:14px;line-height:1.6}
.dm-completion-status p{margin:0 0 8px}.dm-completion-status button{min-height:44px;padding:6px 14px;border:2px solid #2676a3;border-radius:12px;background:white}
/* Native radios give the two large cards arrow-key selection and checked state. */
.ab-case-options{padding:0;border:0;margin:0 auto 14px;width:min(380px,100%);min-width:0}
.ab-case-options legend{float:none;width:100%;margin:0 0 6px;padding:0;font-size:16px;font-weight:800;text-shadow:0 1px 2px white}
.ab-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ab-case-choice{position:relative;cursor:pointer;min-width:0}
.ab-case-choice input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:pointer;z-index:1}
.ab-case-card{display:grid;justify-items:center;gap:0;padding:7px 10px;border:3px solid #87bddf;border-radius:20px;background:#f8fdfff2;box-shadow:0 3px 5px #23658d25;font-weight:800}
.ab-case-card strong{font:900 38px/1.1 ABNunito,sans-serif}
.ab-case-card>span{font-size:15px}.ab-case-state{min-height:17px;font-size:11px;line-height:17px;font-weight:700}
.ab-case-state::after{content:'タップで えらぶ'}
.ab-case-choice input:checked+.ab-case-card{border-color:#075cad;background:#dcf3ff;box-shadow:inset 0 0 0 2px white,0 3px 5px #23658d25}
.ab-case-choice input:checked+.ab-case-card .ab-case-state::after{content:'✓ えらんでいるよ'}
.ab-case-choice input:focus-visible+.ab-case-card{outline:3px solid #073566;outline-offset:4px}
.ab-title{padding-top:16px;padding-bottom:16px}.ab-title h1{max-width:480px;margin:0 auto}.ab-tagline{margin:0 0 12px}
.ab-title .ab-primary{width:min(340px,100%)}.ab-title .ab-white{width:min(270px,88%)}
.ab-title .ab-best{margin:12px auto 8px;padding:6px 20px}.ab-title .ab-best>span{font-size:14px}.ab-title .ab-best strong{font-size:28px}.ab-title .ab-best strong.is-empty{font-size:14px}
@media(min-width:651px) and (max-height:850px){.ab-title h1{max-width:360px}.ab-title .ab-tagline{font-size:21px}.ab-title .ab-case-card strong{font-size:32px}.ab-title .ab-primary{width:310px;min-height:62px;font-size:32px}.ab-title .ab-white{width:240px;min-height:49px;font-size:24px}}
@media(max-width:650px){.ab-title{padding:14px 12px 16px}.ab-title-content{width:100%;max-width:360px}.ab-title h1{max-width:280px}.ab-title .ab-tagline{font-size:15px;white-space:normal;margin:0 0 10px}.ab-case-options{margin-bottom:10px}.ab-case-options legend{font-size:14px}.ab-case-grid{gap:10px}.ab-case-card{padding:6px 8px;border-radius:17px}.ab-case-card strong{font-size:32px}.ab-title-actions{gap:8px}.ab-title .ab-primary{width:86%;min-height:62px}.ab-title .ab-white{width:70%;min-height:49px}.ab-title .ab-best{margin:10px auto 8px}.ab-title .ab-local-note{font-size:11px;margin-top:8px}}