@charset "UTF-8";
:root{--ink:#101f2c;--paper:#f2ecd9;--coral:#ef7656;--yellow:#f4cf72;--muted:#abb8bb;--line:#ffffff26;--ep-art:url('assets/ep1.webp');--face:'Yu Gothic','Meiryo',sans-serif;--display:'Arial Black','Impact',sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{background:#0b1721}body{margin:0;font-family:var(--face);color:var(--paper);font-weight:500}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--yellow);outline-offset:5px}button{color:inherit}button,section{-webkit-tap-highlight-color:transparent}button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7}h1,h2,h3,p{margin:0}button{border:0}button:active{transform:translateY(2px)}[hidden]{display:none!important}.shell{max-width:1680px;margin:auto}.skip{position:absolute;top:-90px;color:var(--ink);background:var(--yellow);padding:14px;z-index:20}.skip:focus{top:0}.topbar{height:90px;margin:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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p{font-size:12px;line-height:1.8;color:#56616a}.demo-dots{display:flex;gap:18px;margin-top:15px}.demo-dots i{width:14px;height:14px;border-radius:50%;background:#b44e37}.demo-dots i:nth-child(even){border-radius:0;transform:rotate(45deg);background:#907126}.practice-pads,.pads{display:grid;grid-template-columns:1fr 1fr;gap:12px}.practice{padding:15px 12px;min-height:65px;border:1px solid #101f2c2d;border-radius:3px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink)}.left{background:#eb997e}.right{background:#e3cc8c}kbd{font:10px monospace;border:1px solid currentColor;opacity:.6;border-radius:3px;padding:3px 5px}.practice-hint{text-align:center;font-size:11px;color:#56616a;margin:10px 0 23px}.difficulty{border:0;padding:0;margin:0 0 24px;display:flex;gap:25px;font-size:12px}.difficulty legend{font-size:11px;color:#56616a;margin-bottom:10px}.difficulty label{display:flex;align-items:center;gap:6px;min-height:35px;cursor:pointer}.difficulty 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#ffffff32;border-radius:3px;min-width:44px;min-height:44px;font-size:22px}.game-scene{position:relative;flex:1;min-height:180px;padding:15px 5%}.turn-indicator{display:inline-flex;align-items:center;gap:10px;background:var(--paper);padding:12px 20px;color:var(--ink);font-weight:800;font-size:14px;box-shadow:5px 5px 0 #101f2c99;transform:rotate(-2deg)}.turn-dot{width:8px;height:8px;border-radius:50%;background:var(--coral)}.game-screen[data-turn="play"] .turn-indicator{background:var(--yellow)}.feedback{position:absolute;bottom:30px;left:5%;font-size:29px;font-weight:800;color:var(--yellow);text-shadow:2px 3px #101f2c;opacity:0;transition:opacity .2s}.feedback.show{opacity:1}.combo-display{position:absolute;right:5%;bottom:30px;text-align:center;text-shadow:2px 2px #101f2c}.combo-display strong{display:block;font:58px var(--display);line-height:1.1}.combo-display span{font-size:10px}.console{position:relative;margin:0 auto 22px;width:92%;max-width:1000px;padding:20px 25px 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8px);left:-16px;font-size:9px;background:var(--paper);color:var(--ink);padding:2px 4px;font-weight:800}.notes{position:absolute;inset:0}.note{position:absolute;width:28px;height:28px;top:calc(25% - 14px);border-radius:50%;background:var(--coral);border:3px solid #f8c5b1;will-change:left;box-shadow:0 3px 8px #0005}.note.right{top:calc(75% - 14px);background:var(--yellow);border:3px solid #fff0c7;transform:rotate(45deg);border-radius:4px}.note.demo{opacity:.65}.note.hit{opacity:0!important}.note.missed{opacity:.2!important}.pads{margin:18px 0}.pad{min-height:65px;border-radius:5px;font-size:16px;font-weight:800;letter-spacing:2px;color:var(--ink);display:flex;align-items:center;justify-content:center;gap:15px;box-shadow:0 5px 0 #060f18;touch-action:none;user-select:none}.pad-left{background:var(--coral)}.pad-right{background:var(--yellow)}.pad>span{font-size:24px}.pad kbd{margin-left:auto}.pad{padding:0 25px}.pad.pressed,.practice.pressed{transform:translateY(4px);filter:brightness(1.25);box-shadow:none}.song-progress{height:3px;background:#344350;margin:0 -25px;overflow:hidden;border-radius:0 0 10px 10px}.song-progress div{height:100%;width:0;background:var(--coral)}.result-screen{display:grid;place-items:center;margin:28px 5%;padding:40px 20px;min-height:720px}.result-art{position:absolute;inset:0;background:linear-gradient(90deg,#101f2c90,#101f2c40),var(--ep-art) center/cover}.result-card{position:relative;background:var(--paper);color:var(--ink);padding:38px 45px;max-width:580px;width:100%;border-radius:4px;box-shadow:12px 12px 0 #101f2c80;text-align:center}.result-card .eyebrow{color:#a8422e}.result-card h2{font-size:30px;margin:16px 0}.result-card>p:not(.eyebrow){font-size:12px;line-height:1.9}.result-score{padding:22px 0 15px}.result-score strong{font:80px var(--display);letter-spacing:-3px;display:block}.result-score>span{font-size:10px;letter-spacing:3px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #101f2c25;border-bottom:1px solid #101f2c25;padding:18px 0}.result-stats strong{font:23px var(--display);display:block}.result-stats span{font-size:9px;display:block;margin-top:5px}.result-card #result-detail{font-size:10px;color:#586167;margin:17px 0}.result-card .primary{width:100%;margin-top:18px}.text-button{background:none;font-size:12px;text-decoration:underline;text-underline-offset:5px;padding:15px}.result-card .prototype{color:#72796f;margin-top:8px;font-size:10px!important}#duel-result{background:#e8d8a9;padding:10px;font-weight:800}.footer,.title-bottom,.edition{user-select:none}dialog{border:1px solid #476171;border-radius:8px;padding:30px;background:var(--ink);color:var(--paper);max-width:min(440px,90vw);width:100%;box-shadow:0 25px 120px #0008}dialog::backdrop{background:#050d17cb;backdrop-filter:blur(6px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}dialog h2{font-size:22px}dialog p{font-size:12px;line-height:1.9;margin:15px 0}dialog .small{font-size:10px;color:var(--muted)}dialog .primary,dialog .secondary{width:100%;margin-top:20px}.slider-label{display:flex;justify-content:space-between;font-size:13px;margin-top:25px}output{font:12px monospace;color:var(--yellow)}input[type=range]{width:100%;margin:16px 0;accent-color:var(--coral);min-height:28px}#pause-dialog{text-align:center}#error-dialog p{overflow-wrap:anywhere}.screen:not([hidden]){animation:arrive .45s ease both}@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.hero-copy{padding-top:65px}.hero-description{margin-top:23px}h1{margin-bottom:40px}.title-screen{height:810px}}
@media(max-width:1050px){.title-screen{min-height:735px}.hero-copy{padding-top:50px}h1{font-size:115px;max-width:410px}.hero-jp{font-size:31px}.title-art{object-position:65%}.art-scrim{background:linear-gradient(90deg,#101f2cb5,transparent 88%),linear-gradient(0deg,#101f2c,transparent 45%)}.title-bottom .prototype{display:none}.record-sticker{width:85px;height:85px;right:4%}.record-sticker strong{font-size:32px}.story-screen{grid-template-columns:1fr 1fr;min-height:600px}.story-dialogue{padding:40px 9%}.story-dialogue h2{font-size:25px}.tutorial-screen{gap:6%;margin:40px 5%}.tutorial-card{padding:25px}.lesson-step{gap:12px}.practice kbd{display:none}.game-screen{min-height:620px}.game-art{background-position:70% 35%}.game-scene{min-height:160px}}
@media(max-width:640px){.topbar{height:70px;margin:0 6%}.brand{font-size:18px}.brand-mark{font-size:36px}.brand-sub{font-size:8px}.edition{display:none}.settings-button{font-size:10px}.settings-button svg{width:20px}.title-screen{margin:14px 0 0;min-height:830px;height:auto}.title-art{height:590px;object-position:73% center;object-fit:cover}.art-scrim{background:linear-gradient(0deg,#101f2c 23%,#101f2c00 69%),linear-gradient(90deg,#101f2c66,transparent 75%)}.hero-copy{padding:36px 7% 105px;max-width:none}.hero-copy .eyebrow{font-size:8px;letter-spacing:1.2px}h1{font-size:88px;letter-spacing:-5px;max-width:300px;margin:32px 0 206px}h1 i{right:7px}.hero-jp{font-size:28px;letter-spacing:2px}.hero-jp br{display:none}.hero-description{font-size:12px;margin:15px 0 22px;line-height:1.8}.hero-copy .primary,.hero-copy .secondary{width:100%;max-width:390px}.hero-copy .secondary{background:#172d3c}.sound-note{font-size:9px}.record-sticker{width:69px;height:69px;top:270px;right:6%}.record-sticker span{font-size:7px}.record-sticker strong{font-size:24px}.scene-caption{top:411px;bottom:auto;right:7%;font-size:9px}.title-bottom{left:7%;right:7%;height:74px;align-items:flex-start;padding-top:17px;flex-direction:column;justify-content:flex-start;gap:9px;font-size:9px}.title-bottom>span:nth-child(2){color:var(--muted)}.footer{padding:20px 7%;font-size:8px;letter-spacing:.3px}.footer>span:last-child{display:none}.story-screen{display:flex;flex-direction:column;margin:14px 0;min-height:0}.story-image{height:300px;min-height:300px}.story-image img{object-position:70% center}.story-dialogue{padding:30px 7%}.story-dialogue h2{font-size:27px;margin:15px 0}.story-dialogue>p:not(.eyebrow){font-size:13px}.story-bottom{margin-top:28px}.story-bottom .primary{min-height:48px}.scene-label{font-size:10px;bottom:16px;left:7%}.tutorial-screen{display:block;margin:30px 7%;min-height:0}.tutorial-intro h2{font-size:31px;line-height:1.4;margin:15px 0}.tutorial-intro h2 br:nth-of-type(1){display:none}.tutorial-intro>p:last-child{font-size:12px;margin-bottom:25px}.tutorial-card{padding:24px 20px}.tutorial-intro .eyebrow{font-size:9px}.lesson-step h3{font-size:14px}.practice kbd{display:block;font-size:8px}.game-screen{margin:12px 0 0;min-height:600px;height:calc(100svh - 90px);max-height:930px}.game-top{padding:18px 6%;gap:13px}.game-top h2{font-size:15px}.game-top .eyebrow{font-size:7px;letter-spacing:1px}.live-score{padding:0 8px}.live-score strong{font-size:27px}.live-score>span{font-size:8px}.game-art{background-position:72% top}.game-scene{padding:10px 6%;min-height:175px}.turn-indicator{font-size:12px;padding:11px 14px}.feedback{left:6%;font-size:24px;bottom:24px}.combo-display{right:7%;bottom:22px}.combo-display strong{font-size:45px}.console{width:92%;padding:15px 13px 0;margin-bottom:24px}.console-header{font-size:8px;letter-spacing:.5px}.beat-lights{gap:8px}.lanes{height:136px}.note{width:24px;height:24px;top:calc(25% - 12px)}.note.right{top:calc(75% - 12px)}.lane-name{font-size:8px}.pad{font-size:13px;min-height:67px;gap:8px;padding:0 16px;letter-spacing:1px}.pad>span{font-size:20px}.pad kbd{font-size:9px}.song-progress{margin:0 -13px}.result-screen{margin:14px 0;min-height:690px;padding:25px 6%}.result-card{padding:27px 22px}.result-card h2{font-size:25px}.result-score strong{font-size:69px}.result-stats strong{font-size:21px}.result-stats span{font-size:8px}.result-card .eyebrow{font-size:9px}.result-card>p:not(.eyebrow){font-size:11px}dialog{padding:24px}.title-screen:not([hidden]){animation:none}}
@media(max-height:700px) and (min-width:641px){.game-screen{min-height:510px;margin-top:12px}.game-top{padding:12px 4%}.game-scene{min-height:110px}.console{margin-bottom:15px}.lanes{height:110px}.pad{min-height:48px}.topbar{height:65px}.feedback{bottom:15px}.combo-display{bottom:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.primary:hover{transform:none}}
@media(min-width:1051px) and (max-width:1499px){h1{font-size:clamp(100px,8.6vw,128px)}.hero-copy{padding-top:49px}}
@media(max-width:640px){.hero-jp br{display:block}.title-art{height:690px}.art-scrim{background:linear-gradient(180deg,transparent 22%,#101f2c10 40%,#101f2c 69%),linear-gradient(90deg,#101f2c66,transparent 75%)}}
.hit-line span{white-space:nowrap}

/* ── ここから下は docs/MOTION-BRIEF.md の ぶん(ついかのみ・きそんの ぎょうは そのまま) ────────── */
:root{--mp-ease:cubic-bezier(0.87,0,0.13,1);--mp-ease-soft:cubic-bezier(0.25,0.46,0.45,0.94);--mp-spring:cubic-bezier(0.34,1.56,0.64,1);--mp-dur-s:.25s;--mp-dur-m:.7s;--mp-dur-l:1.1s;--mp-stagger:.06s;--mp-dist:28px}
/* 6-2 ただよう光塵 / どうがはいけい ── しずがは つねに したに しいてある */
.bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% center;border:0;pointer-events:none;opacity:0;transition:opacity var(--mp-dur-l) var(--mp-ease-soft);background:transparent}
.bg-video[data-playing="1"]{opacity:1}
.story-image .bg-video{object-position:74% center}
.dust{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:screen}
/* 6-11 グラデーションおびの おうふく(background-clip:text) */
@keyframes mp-sheen{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero-jp{background-image:linear-gradient(100deg,var(--paper) 0 32%,var(--yellow) 50%,var(--paper) 68% 100%);background-size:400% 400%;-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;animation:mp-sheen 6s linear infinite}
/* けっかの h2 は きなりの ふだの うえ。paper→yellow の おびでは よめなくなるので、もとの こん(ink)を のこして コーラルの ひかりだけ はしらせる */
.result-card h2{background-image:linear-gradient(100deg,var(--ink) 0 32%,#b54c34 50%,var(--ink) 68% 100%);background-size:400% 400%;-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;animation:mp-sheen 6s linear infinite}
/* 8-5 スプリングおしこみ(きそんの translateY は のこしたまま かさねる) */
.primary,.secondary,.pad,.practice{transition:background .2s,filter .2s,box-shadow .2s,transform var(--mp-dur-m) var(--mp-spring)}
@media(hover:hover){.primary:hover{transform:translateY(-2px) scale(1.04)}.secondary:hover,.practice:hover{transform:scale(1.03)}.pad:hover{transform:scale(1.02)}}
.primary:active,.secondary:active{transform:translateY(2px) scale(.94);transition-duration:var(--mp-dur-s)}
.pad:active,.practice:active,.pad.pressed,.practice.pressed{transform:translateY(4px) scale(.96);transition-duration:var(--mp-dur-s)}
/* 2-14 パララックス(PCのみ。motion.js が .mp-parallax を つける) */
.mp-parallax{transform:translate3d(var(--px,0px),var(--py,0px),0) scale(1.045);will-change:transform}
/* 2-9 じかんさ カスケード(きそんの @keyframes arrive を りゅうよう) */
.mp-cascade>*{animation:arrive var(--mp-dur-m) var(--mp-ease) both;animation-delay:calc(var(--i,0) * var(--mp-stagger))}
/* かいまく タイムライン(あわせて 1.6びょう いない)。h1 の rotate(-4deg) を けさないよう
   transform ではなく translate プロパティで うごかす */
@keyframes mp-rise{from{opacity:0;translate:0 var(--mp-dist)}to{opacity:1;translate:0 0}}
@keyframes mp-fade{from{opacity:0}to{opacity:1}}
.title-screen:not([hidden]) .title-art,.title-screen:not([hidden]) .art-scrim{animation:mp-fade var(--mp-dur-l) var(--mp-ease-soft) both}
.title-screen:not([hidden]) .hero-copy>*{animation:mp-rise var(--mp-dur-m) var(--mp-ease) both;animation-delay:calc(.35s + var(--i,0) * var(--mp-stagger))}
/* みだしは かいまくの あと、おびの おうふくを つづける(2つの animation を ならべる) */
.title-screen:not([hidden]) .hero-jp{animation:mp-rise var(--mp-dur-m) var(--mp-ease) both,mp-sheen 6s linear infinite;animation-delay:calc(.35s + var(--i,0) * var(--mp-stagger)),.35s}
.title-screen:not([hidden]) .record-sticker,.title-screen:not([hidden]) .scene-caption,.title-screen:not([hidden]) .title-bottom{animation:mp-fade var(--mp-dur-m) var(--mp-ease-soft) both;animation-delay:.75s}
/* 8-50 こどうパルス(ひょうしに どうき)。MOTION-BRIEF の scale(1.03) は .screen の overflow:hidden で
   コンソールの わくが きれてしまうため、ひかりの またたきを おもに して scale は 1.008 に とどめた */
@keyframes mp-beat-frame{0%{transform:scale(1);border-color:#607e8966}22%{transform:scale(1.008);border-color:#f4cf7288}100%{transform:scale(1);border-color:#607e8966}}
@keyframes mp-beat-lights{0%{transform:scale(1)}22%{transform:scale(1.14)}100%{transform:scale(1)}}
.console.mp-beat{animation:mp-beat-frame var(--mp-beat-dur,.54s) var(--mp-ease-soft)}
.beat-lights.mp-beat{animation:mp-beat-lights var(--mp-beat-dur,.54s) var(--mp-ease-soft);transform-origin:center}
/* 8-35 はんていの ポップ(ちいさめ) */
@keyframes mp-pop{0%{scale:.5}55%{scale:1.15}100%{scale:1}}
.feedback.show{animation:mp-pop var(--mp-dur-s) var(--mp-spring)}
/* うごきけいげん: @media のなかだけで とめる(そとがわでの ぜんしょうていし は しない) */
@media(prefers-reduced-motion:reduce){
  .dust{display:none}
  .bg-video{display:none}
  .mp-parallax{transform:none}
  .hero-jp{background-image:none;color:var(--paper);-webkit-text-fill-color:var(--paper)}
  .result-card h2{background-image:none;color:var(--ink);-webkit-text-fill-color:var(--ink)}
}

/* ── はなしえらび(レコードを ならべた たな) ── P3b ついか ────────────────── */
.select-screen{margin:26px 5% 0;padding:44px 4% 56px;background:var(--ink);display:flex;flex-direction:column;gap:34px}
.select-head{max-width:760px}
.select-head .eyebrow{display:flex;gap:8px;align-items:center;font-size:10px}
.select-head h2{font-size:clamp(30px,3.6vw,52px);line-height:1.45;letter-spacing:2px;margin:18px 0 16px}
.select-lead{font-size:12px;line-height:2;color:#d5dad7}
.select-lead b{color:var(--yellow);font-family:monospace;letter-spacing:1px}
.select-mode{font:11px monospace;letter-spacing:1px;color:var(--muted);margin-top:10px}
.episode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.episode-card{display:flex;flex-direction:column;text-align:left;padding:0;background:#172a38;border:1px solid var(--line);border-radius:4px;overflow:hidden;color:inherit;box-shadow:0 14px 40px #040d1755;transition:background .2s,box-shadow .25s,transform var(--mp-dur-m) var(--mp-spring)}
.episode-card:active{transform:translateY(3px) scale(.985);transition-duration:var(--mp-dur-s)}
.episode-jacket{position:relative;display:block;aspect-ratio:1/1;overflow:hidden;background:#0e1b26}
.episode-jacket img{width:100%;height:100%;object-fit:cover;object-position:68% center;display:block;transition:transform var(--mp-dur-l) var(--mp-ease-soft)}
.episode-jacket::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#101f2ce8,#101f2c2e 42%,transparent 70%)}
.episode-number{position:absolute;left:18px;bottom:12px;z-index:1;font-family:var(--display);font-size:52px;line-height:1;letter-spacing:-2px;color:var(--paper);text-shadow:3px 4px 0 #101f2c;font-style:italic}
.episode-stamp{position:absolute;right:14px;top:14px;z-index:1;width:56px;height:56px;border-radius:50%;background:var(--yellow);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;letter-spacing:1px;transform:rotate(12deg);box-shadow:0 0 0 4px #f4cf7224}
.episode-body{display:block;padding:18px 20px 20px}
.episode-sub{display:block;font:9px monospace;letter-spacing:2px;color:var(--yellow)}
.episode-title{display:block;font-size:21px;letter-spacing:1px;margin:9px 0 8px}
.episode-composer{display:block;font-size:11px;line-height:1.7;color:var(--muted);min-height:2.4em}
.episode-meta{display:flex;justify-content:space-between;gap:10px;margin-top:14px;padding-top:13px;border-top:1px solid var(--line);font-size:10px;letter-spacing:1px;color:#c1ccc8}
.episode-best{color:var(--yellow);font-family:monospace}
#select-back{align-self:flex-start;min-height:48px}
.record-note{display:inline-block;margin:0 auto;padding:7px 16px;background:var(--yellow);color:var(--ink);font-size:11px;font-weight:800;letter-spacing:1px;border-radius:3px}
@media(hover:hover){.episode-card:hover{background:#1e3446;box-shadow:0 18px 52px #040d1788;transform:translateY(-4px)}.episode-card:hover .episode-jacket img{transform:scale(1.06)}}
@media(max-width:1050px){.select-screen{padding:34px 3% 44px;gap:26px}.episode-grid{gap:16px}.episode-number{font-size:42px;left:14px}.episode-stamp{width:48px;height:48px;font-size:10px}.episode-title{font-size:18px}.episode-body{padding:15px 15px 17px}}
@media(max-width:760px){.select-screen{margin:14px 0 0;padding:30px 7% 40px}.episode-grid{grid-template-columns:1fr;gap:18px}.episode-jacket{aspect-ratio:16/9}.episode-composer{min-height:0}.select-head h2{font-size:29px;line-height:1.4}}
@media(prefers-reduced-motion:reduce){.episode-card:hover{transform:none}.episode-card:hover .episode-jacket img{transform:none}}

/* ── レベル(ゆびの かず 2〜5本) と もどる どうせん ── P4a ついか ───────────
   docs/design-brief-addendum.md §13 / §14。2本(レベル1)の みための あたいは
   もとの ぎょうと おなじ(--lane-count:2 → たかさ 50%、--note-r:14px)。 */
.lanes{--lane-count:2;--note-r:14px}
.lane{height:calc(100% / var(--lane-count))}
.lanes[data-lanes="4"]{--note-r:12px}
.lanes[data-lanes="5"]{--note-r:10px}
.lanes[data-lanes="4"] .note{width:24px;height:24px}
.lanes[data-lanes="5"] .note{width:20px;height:20px}
/* 3〜5本の ノーツ: レーンごとの いろ と かたち(● ▲ ■ ◆ ★) */
.note.note-l0{background:var(--coral);border-color:#f8c5b1}
.note.note-l1{background:var(--yellow);border:0;border-radius:0;clip-path:polygon(50% 2%,100% 98%,0 98%)}
.note.note-l2{background:var(--paper);border-color:#fff;border-radius:3px}
.note.note-l3{background:#8fc7e8;border-color:#dcf0fb;border-radius:4px;transform:rotate(45deg)}
.note.note-l4{background:#b3c8d8;border:0;border-radius:0;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
/* パッド と れんしゅうパッドは レベルの かずだけ よこに ならぶ */
.pads,.practice-pads{grid-template-columns:repeat(var(--pad-count,2),1fr)}
.pads{--pad-gap:12px;gap:var(--pad-gap)}
.pads[data-lanes="3"]{--pad-gap:10px}
.pads[data-lanes="4"]{--pad-gap:8px}
.pads[data-lanes="5"]{--pad-gap:6px}
.pad.pad-n0{background:var(--coral)}
.pad.pad-n1{background:var(--yellow)}
.pad.pad-n2{background:var(--paper)}
.pad.pad-n3{background:#8fc7e8}
.pad.pad-n4{background:#9fb8ca}
.practice.practice-n0{background:#eb997e}
.practice.practice-n1{background:#e3cc8c}
.practice.practice-n2{background:#e7e2d0}
.practice.practice-n3{background:#bcd9ec}
.practice.practice-n4{background:#c9d6e0}
.pads[data-lanes="3"] .pad,.pads[data-lanes="4"] .pad,.pads[data-lanes="5"] .pad{padding:0 8px;gap:6px;letter-spacing:1px;font-size:15px}
.pads[data-lanes="5"] .pad{padding:0 4px;font-size:13px;gap:4px}
.pads[data-lanes="4"] .pad kbd,.pads[data-lanes="5"] .pad kbd{font-size:9px;padding:2px 3px}
.practice-pads[data-lanes="4"] .practice,.practice-pads[data-lanes="5"] .practice{padding:12px 6px;font-size:12px;gap:4px}
.practice-pads[data-lanes="4"] .practice kbd,.practice-pads[data-lanes="5"] .practice kbd{font-size:9px;padding:2px 3px}
/* レベルの えらびかた(リズムの はんてい と おなじ みため) */
.levels{border:0;padding:0;margin:0 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;font-size:12px}
.levels legend{font-size:11px;color:#56616a;margin-bottom:10px}
.levels label{display:flex;align-items:center;gap:6px;min-height:35px;cursor:pointer;color:var(--ink)}
.levels input{accent-color:#b54c34}
/* §14 もどる導線 */
.screen-back{position:absolute;left:18px;top:16px;z-index:3;display:flex;align-items:center;background:#101f2cc4;border-radius:3px;text-decoration:none;font-size:11px;padding:0 14px;min-height:44px}
.story-buttons{display:flex;align-items:center;gap:8px}
.story-buttons .text-button{color:var(--muted)}
.back-row{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;margin-top:4px}
.back-row .text-button{color:#76523b;font-size:11px;padding:12px 8px;min-height:44px}
#pause-select{display:block;width:100%}
.result-level{font-size:10px;letter-spacing:1px;color:#586167;margin-bottom:6px}
@media(max-width:640px){
  .lanes{--note-r:12px}
  .lanes[data-lanes="4"]{--note-r:11px}
  .lanes[data-lanes="5"]{--note-r:9px}
  .lanes[data-lanes="4"] .note{width:22px;height:22px}
  .lanes[data-lanes="5"] .note{width:18px;height:18px}
  .pads[data-lanes="5"]{--pad-gap:4px}
  .pads[data-lanes="4"] .pad,.pads[data-lanes="5"] .pad{padding:0 3px;font-size:12px;gap:3px;letter-spacing:0}
  .pads[data-lanes="5"] .pad kbd{display:none}
  .practice-pads[data-lanes="5"] .practice kbd{display:none}
  .levels{grid-template-columns:1fr}
  .screen-back{left:7%;top:12px}
}
/* はなしえらびの カード: レベルごとの さいこう(あそんだ ものだけ) */
.episode-levels{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:8px;font:10px monospace;letter-spacing:1px;color:#c1ccc8}
.episode-levels span{color:var(--yellow)}

/* ── SIDE A / SIDE B と エンディング ── P4b ついか ─────────────────────────
   docs/design-brief-addendum.md §11 / §12。カードの みためは レコードの
   ジャケット(きそんの .episode-card)を そのまま つかい、たなを 2だんに わける。 */
.side-head{grid-column:1/-1;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:6px 0 -6px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-head b{font-family:var(--display);font-style:italic;font-size:23px;letter-spacing:1px;color:var(--yellow);text-shadow:2px 3px 0 #101f2c}
.side-head span{font-size:11px;letter-spacing:1px;color:#c1ccc8}
.ending-card{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.45fr);text-align:left;padding:0;background:#172a38;border:1px solid var(--line);border-radius:4px;overflow:hidden;color:inherit;box-shadow:0 14px 40px #040d1755;transition:background .2s,box-shadow .25s,transform var(--mp-dur-m) var(--mp-spring)}
.ending-card .episode-jacket{aspect-ratio:16/9}
.ending-card .episode-jacket img{object-position:60% center}
.ending-card .episode-number{font-size:34px;letter-spacing:0;left:20px;bottom:14px}
.ending-card .episode-body{display:flex;flex-direction:column;justify-content:center;padding:26px 30px}
.ending-card .episode-composer{min-height:0}
.ending-card:disabled{opacity:.42;cursor:default;box-shadow:none;transform:none}
.ending-card:disabled .episode-best{color:#c1ccc8}
@media(hover:hover){.ending-card:not(:disabled):hover{background:#1e3446;box-shadow:0 18px 52px #040d1788;transform:translateY(-4px)}.ending-card:not(:disabled):hover .episode-jacket img{transform:scale(1.06)}}
@media(max-width:760px){.ending-card{grid-template-columns:1fr}.ending-card .episode-body{padding:16px 15px 18px}.side-head b{font-size:20px}}
@media(prefers-reduced-motion:reduce){.ending-card:hover{transform:none}.ending-card:hover .episode-jacket img{transform:none}}
/* エンディングの がめん(ものがたりと おなじ たてつけ) */
.ending-image img,.ending-image .bg-video{object-position:60% center}
.ending-dialogue .back-row{justify-content:flex-start;gap:10px;margin-top:20px}
.ending-dialogue .back-row .text-button{color:var(--muted);font-size:12px}
.ending-credits{font-size:12px;line-height:2.05;color:#d9dedb;margin-top:6px}
.credit-label{font:10px monospace;letter-spacing:2px;color:var(--yellow);margin-bottom:10px}
.credit-list{display:grid;gap:3px}
.credit-made{margin-top:18px;font-size:11px;color:var(--muted)}
@media(max-width:640px){.ending-credits{font-size:11px;line-height:1.95}}

/* もどる系の タップ領域を 48px 以上に(2026-09-23 独立検証の指摘) */
.screen-back,.back-row .text-button,.story-buttons .text-button{min-height:49px}