/* Listening library — single canonical theme. No legacy stylesheet dependencies.
   Sections: tokens / foundation / masthead / cards / library / guide / footer /
   motion / tablet / mobile / reduced-motion. */
:root{--paper:#faf3df;--page:#f1ebdd;--ink:#244c67;--muted:#586e78;--line:#7896a4;--red:#a34531;--pale:#e5ece8;--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif CJK SC","Songti SC",SimSun,serif;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--page);background-image:radial-gradient(ellipse at 90% 15%,#d4e1dd55,transparent 50%),repeating-linear-gradient(90deg,#24415f03 0 1px,transparent 1px 6px);color:var(--ink);font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}body::before{content:"";position:fixed;inset:0 0 auto;height:3px;background:var(--red);transform:scaleX(var(--read-progress,0));transform-origin:left;z-index:20;pointer-events:none}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b34b3799;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,.brand,.stats strong,.bundle>strong,.set h3{font-family:var(--serif)}main{max-width:1280px;margin:auto;padding:0 40px}.nav-label,.side-note,.side-footer,nav b,nav a span,main>header{display:none}
/* Masthead and responsive illustration. */
.sidebar{max-width:1280px;margin:auto;padding:22px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--ink)}.brand{display:flex;align-items:center;gap:16px;font-size:30px;letter-spacing:5px;font-weight:700}.brand small{display:block;font:9px/1.7 system-ui,sans-serif;letter-spacing:1.7px;color:var(--muted)}.logo{display:grid;place-items:center;width:43px;height:46px;background:#b34b37;color:var(--paper);outline:1px solid #b34b37;outline-offset:3px;border-radius:3px;transform:rotate(-4deg);font-size:29px;letter-spacing:0}nav{display:flex;gap:24px}nav a{display:flex;align-items:center;min-height:44px;font-size:14px;border-bottom:2px solid transparent}nav a:hover{border-color:var(--ink)}
.hero{position:relative;isolation:isolate;overflow:hidden;margin:18px -20px 25px;padding:30px 32px 36px;min-height:400px;display:grid;grid-template-columns:1.06fr 1fr;align-items:center;gap:20px;background:#f5efdf;border:2px solid var(--ink);border-radius:3px;box-shadow:5px 5px 0 #97b3bc66}.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#f5efdf 0%,#f5efdfeb 20%,#f5efdf83 43%,transparent 62%),url('/wave-desktop-v1.webp') center/cover;animation:sea-arrive 1.2s ease-out}.hero-copy{min-width:0}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--red);font-weight:600}.hero .eyebrow{color:#46677b;font-family:var(--serif);letter-spacing:3px}.eyebrow>span{display:inline-block;width:6px;height:6px;background:var(--red);margin-right:8px}.hero h1{font-size:clamp(40px,4vw,56px);line-height:1.3;letter-spacing:1px;margin:18px 0 20px;text-shadow:0 2px 0 #fff9;font-weight:600}.hero h1>span{color:var(--red)}.hero-copy>p{font-size:15px;line-height:1.9;color:#465c66;margin:14px 0;text-shadow:0 1px 0 #fff8}.hero-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px}
.hero-button,.hero-secondary,.download-button,.more{display:inline-flex;justify-content:center;align-items:center;gap:20px;min-height:46px;padding:10px 20px;background:var(--paper);color:var(--ink);border:1.5px solid var(--ink);border-radius:3px;box-shadow:3px 3px 0 var(--ink);font-size:14px;transition:transform .25s,box-shadow .25s,background .25s}.hero-button{background:var(--ink);color:var(--paper);box-shadow:3px 3px 0 #123347}.hero-button:hover{background:#376d87}.hero-secondary:hover,.download-button:hover,.more:hover{background:#e0eaf0;transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}.hero-button:active,.hero-secondary:active,.download-button:active,.more:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}a>span{transition:transform .25s}.download-button:hover>span,.hero-button:hover>span{transform:translateY(3px)}
.sound-art{align-self:end;min-width:0;height:75px;margin:0 12px 8px 25%;padding:14px 18px;background:#faf3dfed;border:1.5px solid var(--ink);border-radius:3px;box-shadow:3px 3px 0 #244c6744;overflow:hidden}.sun,.japanese,.vertical-note,.landscape,.seal{display:none}.wave{height:20px;margin-bottom:5px;display:flex;align-items:center;justify-content:center;gap:3px}.wave i{display:block;width:2px;max-height:21px;background:#315e78;animation:atelier-wave 1.7s ease-in-out infinite;animation-delay:calc(var(--i)*-77ms);transform-origin:center}.wave.paused i{animation-play-state:paused}.art-bottom{font-size:7px;letter-spacing:1px;color:#355268}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--paper);border:1.5px solid var(--line);border-radius:2px;padding:24px 0;box-shadow:3px 3px 0 #7395a42b}.stats>div{padding-left:28px;border-right:1px solid #64849555}.stats>div:last-child{border:0}.stats strong{display:block;font-size:36px;font-weight:500;line-height:1.4;font-variant-numeric:tabular-nums}.stats em{font:normal 9px system-ui;letter-spacing:1px}.stats span{font-size:12px;color:var(--muted)}
/* Content sections and client cards. */
.section{padding-top:48px}.section-heading{position:relative;display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:25px;margin-bottom:26px}.section-heading::after{content:"";position:absolute;bottom:0;left:0;right:0;height:9px;background:radial-gradient(ellipse at 50% 100%,transparent 55%,#557f9366 58% 65%,transparent 68%) 0 0/24px 9px repeat-x}h2{font-size:29px;font-weight:600;letter-spacing:1px;margin-top:9px}.muted{font-size:13px;color:var(--muted)}#updates{padding:25px 0 4px}#updates .section-heading{padding-bottom:14px;margin-bottom:14px}#updates h2{font-size:24px}#updates>p{font-size:14px;line-height:1.8;margin:7px 0}#updates+#apps{padding-top:28px}.apps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.app{position:relative;display:grid;grid-template-columns:54px minmax(0,1fr);gap:20px;padding:28px 24px;background:var(--paper);border:1.5px solid var(--line);border-radius:3px;box-shadow:4px 4px 0 #87a8b147;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s}.app::after{content:"";position:absolute;bottom:0;left:0;right:0;height:8px;background:radial-gradient(ellipse at 50% 100%,transparent 48%,#96b9c34d 51% 64%,transparent 67%) 0 0/26px 8px repeat-x}.app:hover{transform:translateY(-4px);box-shadow:6px 8px 0 #87a8b147}.platform{display:grid;place-items:center;width:54px;height:58px;background:#d6e6e7;border:2px solid var(--ink);border-radius:9px 5px 11px 5px;box-shadow:2px 2px 0 var(--ink);font-size:32px}.app:nth-child(2) .platform{background:#f0ddbb}.app h3{font:600 25px/1.5 var(--serif)}.tag{font:11px/1.5 system-ui;margin-left:8px;background:#e3e8d7;border:1px solid #59758a66;border-radius:2px;padding:2px 6px;color:#597085}.app p{font-size:14px;color:var(--muted);margin:8px 0 18px}.app-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.download-button{padding:9px 13px;font-size:14px;gap:12px;color:var(--red)}.guide-button{min-height:44px;display:inline-flex;align-items:center;padding:8px 10px;border:0;border-bottom:1px solid var(--line);background:none;font-size:14px}.hash{font-size:12px;margin-top:16px;overflow-wrap:anywhere;color:var(--muted)}summary{cursor:pointer}.hash summary{min-height:32px;padding:4px 0}.hash code{display:block;padding-top:8px;font-size:11px}
/* Library: persistent filtering, collection summaries, interchangeable layouts. */
#library{margin:54px -20px 0;padding:34px;background:var(--pale);border:1.5px solid #7193a5;border-radius:3px;box-shadow:4px 4px 0 #9cb4ba44;scroll-margin-top:22px}.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin:24px 0}.tabs{display:flex;flex-wrap:wrap;gap:3px;padding:4px;background:#b7ced6;border:1.5px solid #527a8d;border-radius:3px}.tabs button{min-height:44px;padding:8px 15px;background:none;border:1px solid transparent;border-radius:2px;font-size:14px;color:#345a70}.tabs button.selected{background:var(--paper);border-color:var(--ink);box-shadow:2px 2px 0 #31566e55;color:var(--red)}.filters{display:flex;gap:8px}.search{display:flex;align-items:center;gap:8px;padding:0 10px;min-height:46px;background:#faf6e8;border:1.5px solid #7c9baa;border-radius:3px}.search input{width:166px;min-width:0;border:0;background:none;font-size:14px}.search span{font-size:21px;color:var(--muted)}select{min-height:46px;padding:8px;background:#faf6e8;border:1.5px solid #7c9baa;border-radius:3px;font-size:14px}.view-toggle{display:flex;align-items:center;gap:3px}.view-toggle button{min-height:44px;padding:8px 12px;background:transparent;border:1px solid #7799a8;border-radius:3px;font-size:13px}.view-toggle button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.bundles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px 20px;margin:33px 0 25px}.bundle{--cover:#b9d1de;--cover-ink:#315a76;position:relative;display:grid;grid-template-columns:minmax(0,1fr) 44px;align-items:center;gap:12px;padding:20px 16px;background:var(--cover);color:var(--cover-ink);border:1.5px solid var(--cover-ink);border-radius:3px;box-shadow:3px 3px 0 var(--paper),4px 4px 0 var(--cover-ink);transition:transform .4s var(--ease)}.bundle[data-bundle-level=N2]{--cover:#ecdbb8;--cover-ink:#7c653e}.bundle[data-bundle-level=N3],.bundle[data-bundle-level=N4]{--cover:#c4d9d7;--cover-ink:#426d6e}.bundle::before{content:"精聴 / COLLECTION";position:absolute;top:-18px;left:16px;padding:2px 8px;background:var(--cover);border:1px solid var(--cover-ink);border-bottom:0;border-radius:2px 2px 0 0;font-size:8px;letter-spacing:1px}.bundle::after{content:"";position:absolute;bottom:4px;left:10px;right:10px;height:7px;background:radial-gradient(ellipse at 50% 100%,transparent 48%,currentColor 51% 64%,transparent 67%) 0 0/22px 7px repeat-x;opacity:.14;pointer-events:none}.bundle>strong{font-size:36px;font-weight:400}.bundle>div{grid-column:1/-1;grid-row:2}.bundle h3{font-size:14px}.bundle p{font-size:12px;margin-top:4px}.bundle a{grid-column:2;grid-row:1;flex:0 0 44px;margin-left:auto;display:grid;place-items:center;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;line-height:1;background:#faf3dfd9;border:1px solid var(--cover-ink);border-radius:50%;box-shadow:1px 1px 0 var(--cover-ink);font-size:20px}.bundle:hover{transform:translateY(-4px)}.bundles.single-level{grid-template-columns:minmax(0,1fr);margin-top:24px}.single-level .bundle{display:flex;padding:16px 22px;gap:20px}.single-level .bundle::before{display:none}.single-level .bundle>strong{font-size:30px}.single-level .bundle>div{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap}.single-level .bundle p{margin:0}.single-level .bundle a{flex:0 0 auto;width:auto;height:auto;border-radius:3px;font-size:14px;white-space:nowrap;padding:9px 14px}
.results-meta{display:flex;justify-content:space-between;gap:12px;margin:25px 0 14px;font-size:13px;color:var(--muted)}.sets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.set{position:relative;padding:23px;background:var(--paper);border:1.5px solid #648799;border-radius:3px;box-shadow:3px 3px 0 #9eb7bd55;animation:paper-arrive .5s var(--ease) backwards;animation-delay:calc(var(--order,0)*35ms);transition:transform .3s,box-shadow .3s}.set::after{content:"";position:absolute;top:0;right:0;width:22px;height:22px;background:linear-gradient(45deg,#dae5df 0,#dae5df 48%,#6f91a1 49% 53%,var(--pale) 54%);clip-path:polygon(0 0,100% 0,100% 100%)}.set:hover{transform:translateY(-4px);box-shadow:5px 7px 0 #8babb44d}.set-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);padding-right:8px}.badge{display:inline-block;border:1px solid #315a76;padding:2px 7px;font:13px/1.5 Georgia,serif;color:#315a76}.badge.N2{color:#7c653e;border-color:#7c653e}.badge.N3,.badge.N4{color:#426d6e;border-color:#426d6e}.set h3{font-size:24px;font-weight:500;margin:18px 0 8px}.set p{font-size:14px;color:var(--muted);margin:0 0 17px}.set .set-note{font-size:13px;margin-top:8px;line-height:1.65}.set-bottom{display:flex;justify-content:space-between;align-items:center;gap:8px;border-top:1px dashed #7e99a777;padding-top:12px;font-size:13px;color:var(--muted)}.set-bottom a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:96px;padding:8px 10px;font-size:14px;color:var(--red);background:#b34b3708;border:1px solid #b34b3722;border-radius:3px}.more{display:flex;margin:27px auto 0;min-height:46px}.library-note{font-size:13px;color:var(--muted);line-height:1.9;margin-top:22px}.empty{grid-column:1/-1;padding:35px;text-align:center;background:#f3ebdc;color:var(--muted);border:1px dashed #c5b596;border-radius:3px}.sort-toggle{flex-shrink:0;min-height:44px;padding:8px 11px;border:1px solid #8ba5b0;background:#faf3df;border-radius:3px;font-size:13px;white-space:nowrap;cursor:pointer}.sort-toggle:hover{background:#d6e6e7;border-color:#527a8d}.sort-toggle:disabled{opacity:.6;cursor:wait}
/* Compact rows are explicit, not a separate content renderer. */
#library[data-view=list] .sets{grid-template-columns:1fr;gap:10px}#library[data-view=list] .set{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;column-gap:13px;padding:13px 17px;box-shadow:2px 2px 0 #9eb7bd33}#library[data-view=list] .set::after{display:none}#library[data-view=list] .set-top{grid-column:1;grid-row:1/3;padding:0}#library[data-view=list] .set-top>span:last-child{display:none}#library[data-view=list] .set h3{grid-column:2;grid-row:1;font-size:19px;margin:0}#library[data-view=list] .set>p{grid-column:2;font-size:13px;margin:0}#library[data-view=list] .set .set-note{margin-top:3px}#library[data-view=list] .set-bottom{grid-column:3;grid-row:1/5;display:flex;gap:15px;border:0;padding:0}#library[data-view=list] .set:hover{transform:translateY(-2px)}
/* Guide, legal note, modal and footer. */
.guide{padding-bottom:30px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;padding:30px 35px;background:var(--paper);border:1.5px solid var(--line);box-shadow:4px 4px 0 #8aa9b03d}.steps article>span{font:30px var(--serif);color:var(--red);border-bottom:2px solid #b34b3760}.steps h3{font:600 20px/1.5 var(--serif);margin:10px 0}.steps p{font-size:14px;color:var(--muted);line-height:1.9}.usage-notice{position:relative;margin:8px 0 30px;padding:26px 30px 26px 78px;background:#f2ead6;border:1.5px solid #8f9c9366;border-radius:3px;box-shadow:3px 3px 0 #8aa9b025}.notice-stamp{position:absolute;left:24px;top:28px;writing-mode:vertical-rl;border:2px solid var(--red);color:var(--red);border-radius:2px;padding:8px 4px;font:16px var(--serif);transform:rotate(-5deg)}.usage-notice h2{font-size:22px;margin:0 0 8px}.usage-notice p{font-size:14px;color:#75674f;line-height:1.9;margin:6px 0}.usage-notice strong{color:#8d3929}.usage-notice .notice-en{font-size:10px;letter-spacing:1.5px;margin-top:13px;color:#827153}
.guide-dialog{padding:0;width:min(680px,calc(100% - 32px));max-height:85dvh;background:var(--paper);color:var(--ink);border:2px solid var(--ink);border-radius:4px;box-shadow:5px 5px 0 #f2ead6,7px 7px 0 var(--ink),0 30px 75px #19384966}.guide-dialog::backdrop{background:#183a5677;backdrop-filter:blur(4px)}.guide-dialog[open]{animation:open-notebook .35s var(--ease)}.dialog-heading{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 25px;background:#dbe8e7;border-bottom:2px solid var(--line)}.dialog-heading h2{font-size:23px;margin:0}.dialog-close{flex-shrink:0;width:44px;height:44px;border:1.5px solid var(--ink);border-radius:50%;background:var(--paper);box-shadow:2px 2px 0 #244c6744;font-size:25px;line-height:1}.dialog-body{padding:25px}.dialog-caption{font-size:13px;color:var(--muted);margin-bottom:18px}.guide-text{white-space:pre-wrap;overflow-wrap:anywhere;font:15px/1.95 system-ui,"Microsoft YaHei",sans-serif;margin:0;color:#304b5c}.guide-error{color:var(--red)}body.modal-open{overflow:hidden}
footer.site-footer{padding:24px 22px;margin:20px 0 0;background:var(--paper);border-top:1.5px solid #527a8d}.footer-main{display:flex;justify-content:space-between;align-items:center;gap:24px}.footer-identity>strong{font:600 18px var(--serif)}.footer-identity p{font-size:13px;color:var(--muted);margin:6px 0 10px}.footer-identity a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.footer-metrics{flex-shrink:0}.visit-stats{display:flex;gap:30px;flex-wrap:wrap}.visit-stats>div{display:flex;align-items:baseline;gap:10px}.visit-stats span{font-size:13px;color:var(--muted)}.visit-stats strong{font:500 26px var(--serif);font-variant-numeric:tabular-nums}.visit-caption{font-size:12px;line-height:1.7;margin-top:10px;text-align:right;color:var(--muted)}
/* Compact latest release and chronological history. */
#updates.update-strip{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px 22px;margin:24px 0 0;padding:15px 18px;background:#faf3df99;border:1px solid #8ba5b066;border-radius:3px} .update-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.update-heading .update-mark{border:1px solid var(--red);color:var(--red);font:18px var(--serif);padding:2px 4px;transform:rotate(-5deg)}#updates .update-heading h2{font:600 16px var(--serif);margin:0;letter-spacing:1px}.update-heading time{font-size:12px;color:var(--muted)}#updates.update-strip>p{font-size:14px;margin:0;line-height:1.7}#open-changelog{display:inline-flex;align-items:center;gap:14px;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:3px;color:var(--ink);background:var(--paper);white-space:nowrap;font-size:14px}#open-changelog:hover{background:#dbe8e7}#open-changelog span{transition:transform .2s}#open-changelog:hover span{transform:translate(2px,-2px)}
.changelog-dialog{width:min(760px,calc(100% - 32px))}.changelog-dialog .dialog-heading h2{margin-top:5px}.changelog-body{padding:24px 30px 30px}.changelog-intro,.changelog-status{font-size:13px;color:var(--muted);margin:0 0 22px}.changelog-status{color:var(--red)}.timeline{list-style:none;margin:0;padding:0 0 0 24px;border-left:1px solid #6e91a4}.timeline-entry{position:relative;margin:0 0 27px}.timeline-entry:last-child{margin-bottom:0}.timeline-entry::before{content:"";position:absolute;top:8px;left:-30px;width:11px;height:11px;border:2px solid var(--paper);border-radius:50%;background:var(--red);box-shadow:0 0 0 1px var(--red)}.timeline-date{display:block;font-size:13px;letter-spacing:1px;color:var(--muted);margin-bottom:10px}.timeline-card{border:1px solid #7594a3;background:#fffbf0;box-shadow:2px 2px 0 #a0b8bf33;border-radius:3px}.timeline-summary{position:relative;display:block;list-style:none;padding:17px 42px 17px 18px;min-height:68px}.timeline-summary::-webkit-details-marker{display:none}.timeline-summary::after{content:"＋";position:absolute;right:15px;top:22px;font-size:20px;color:var(--ink)}.timeline-card[open]>.timeline-summary::after{content:"−"}.timeline-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:11px}.release-category,.release-version,.release-latest{padding:1px 6px;border:1px solid #8ba6ad77;border-radius:2px;color:var(--muted)}.release-category{background:#e0eae8}.release-latest{color:var(--red);border-color:#b34b3755}.release-title{display:block;font:600 20px/1.6 var(--serif)}.release-changes{list-style:none;margin:0 18px;padding:14px 0 17px;border-top:1px dashed #a0b8bf88}.release-changes li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14px;line-height:1.85}.release-changes li:last-child{margin-bottom:0}.change-tag{flex-shrink:0;font-size:11px;line-height:1.8;padding:2px 6px;margin-top:2px;border:1px solid #7896a466;color:#456a7c;background:#e9eeea}.change-text{color:#435c69}.changelog-retry{margin-top:10px}
@media(max-width:1100px){#updates.update-strip{grid-template-columns:minmax(0,1fr) auto}#updates.update-strip>p{grid-column:1;grid-row:2}#open-changelog{grid-column:2;grid-row:1/3}}
@media(max-width:760px){#updates.update-strip{margin-top:18px;padding:13px;gap:9px 12px}.update-heading{gap:8px}#updates .update-heading h2{font-size:16px}.update-heading time{font-size:11px}#updates.update-strip>p{grid-column:1/-1;grid-row:2;font-size:13px}#open-changelog{grid-row:1;align-self:center;font-size:12px;padding:8px;gap:6px}.changelog-dialog{width:calc(100% - 20px);max-height:92dvh}.changelog-body{padding:20px 18px}.changelog-intro{font-size:12px}.timeline{padding-left:18px}.timeline-entry::before{left:-24px}.timeline-summary{padding:15px 34px 15px 13px}.release-title{font-size:18px}.timeline-summary::after{right:10px}.release-changes{margin:0 13px}.release-changes li{font-size:14px;gap:8px}.changelog-dialog .dialog-heading h2{font-size:22px}.changelog-dialog .eyebrow{font-size:9px}}
/* Download initiation feedback. */
.feedback-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,12px);width:max-content;max-width:min(580px,calc(100% - 32px));padding:14px 20px;background:#244c67;color:#faf3df;border:1px solid #93abb6;border-radius:5px;box-shadow:0 8px 22px #193a5033;font-size:14px;line-height:1.8;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:25}.feedback-toast.visible{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){.feedback-toast{bottom:max(16px,env(safe-area-inset-bottom));font-size:13px;padding:12px 16px}}
/* Motion: compositor-friendly; all can be disabled by the OS preference. */
.reveal-ready{opacity:0;transform:translateY(18px);transition:opacity .65s var(--ease),transform .65s var(--ease)}.reveal-ready.in-view{opacity:1;transform:none}.app.paper-enter{animation:paper-arrive .65s var(--ease) backwards;animation-delay:var(--delay,0ms)}@keyframes atelier-wave{0%,100%{transform:scaleY(.35);opacity:.4}50%{transform:scaleY(1.1);opacity:.9}}@keyframes sea-arrive{from{opacity:0;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}@keyframes paper-arrive{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes open-notebook{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
@media(max-width:1199px){.bundles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1100px){main{padding:0 28px}.sidebar{padding:22px 28px}.hero{margin-left:-8px;margin-right:-8px;padding:28px 24px 32px;min-height:390px}.hero h1{font-size:44px}.app{grid-template-columns:44px minmax(0,1fr);gap:15px;padding:23px 19px}.platform{width:44px;height:48px;font-size:28px}.sets{grid-template-columns:repeat(2,minmax(0,1fr))}#library{margin-left:-8px;margin-right:-8px;padding:28px 24px}.footer-main{flex-wrap:wrap}}
/* Mobile: short opening, sticky controls, accessible touch targets. */
@media(max-width:760px){html{scroll-padding-top:164px}main{padding:0 20px}.sidebar{display:flex;flex-wrap:wrap;gap:12px;padding:15px 20px}.brand{font-size:25px;gap:12px;letter-spacing:4px}.brand small{font-size:8px}.logo{width:34px;height:38px;font-size:25px}nav{width:100%;justify-content:space-between;gap:12px}nav a{font-size:13px;min-height:44px}.hero{margin:13px -8px 19px;padding:22px 20px;min-height:335px;grid-template-columns:minmax(0,1fr);gap:0;align-items:start}.hero::before{background-image:linear-gradient(90deg,#f5efdfef 0%,#f5efdfc9 35%,#f5efdf6b 65%,#f5efdf0a 100%),url('/wave-mobile-v1.webp');background-size:auto,auto 390px;background-position:center,66% bottom;background-repeat:no-repeat}.hero h1{font-size:36px;line-height:1.3;margin:12px 0 15px}.hero .eyebrow{font-size:10px;letter-spacing:2px}.hero-copy>p{font-size:14px;line-height:1.8;margin:10px 0}.hero-actions{gap:12px;margin-top:19px}.hero-button,.hero-secondary{padding:10px 14px;gap:12px;font-size:14px}.sound-art{display:none}.stats{grid-template-columns:repeat(2,minmax(0,1fr));padding:15px 0;row-gap:13px}.stats>div{padding-left:18px}.stats>div:nth-child(2){border:0}.stats strong{font-size:28px}.stats span{font-size:11px}.stats em{font-size:8px}.section{padding-top:32px}.section-heading{margin-bottom:20px;padding-bottom:20px}.section-heading h2{font-size:23px}.section-heading .muted{display:none}.eyebrow{font-size:10px;letter-spacing:1.6px}#updates{padding-top:20px}#updates h2{font-size:21px}#updates>p{font-size:14px}#updates+#apps{padding-top:22px}.apps{grid-template-columns:1fr;gap:19px}.app{grid-template-columns:40px minmax(0,1fr);padding:20px 16px;gap:13px}.platform{width:40px;height:44px;font-size:25px}.app h3{font-size:23px}.app p{font-size:14px;margin:5px 0 12px}.app-actions{gap:10px}.download-button{font-size:14px;padding:8px 10px;gap:8px}.guide-button{font-size:14px;padding:7px 6px}.hash{margin-top:11px;font-size:12px}
#library{margin:33px -8px 0;padding:24px 14px;scroll-margin-top:12px}.toolbar{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin:0 -6px 24px;padding:10px 6px;background:var(--pale);border-bottom:1px solid #a1b8bd;box-shadow:0 5px 8px #244c670b}.tabs{grid-column:1/-1;justify-content:space-between;gap:2px;padding:3px}.tabs button{font-size:13px;padding:8px 9px;flex:1;white-space:nowrap}.filters{grid-column:1;gap:6px;min-width:0}.search{flex:1;min-width:0;padding:0 7px}.search input{width:100%;font-size:14px}.search span{display:none}select{font-size:13px;padding:8px 4px;max-width:99px}.view-toggle{grid-column:2;gap:2px}.view-toggle button{font-size:12px;padding:7px 6px}.bundles{grid-template-columns:1fr;gap:22px;margin:30px 0 20px}.bundle{padding:17px 14px;gap:14px}.bundle>strong{font-size:31px}.bundle h3{font-size:14px}.bundle p{font-size:12px;line-height:1.6}.bundle a{min-height:44px;min-width:44px}.single-level .bundle{padding:15px;gap:13px;flex-wrap:wrap}.single-level .bundle>div{display:block;flex:1;min-width:130px}.single-level .bundle p{margin-top:3px}.single-level .bundle a{margin-left:auto}.results-meta{font-size:12px;margin:20px 0 12px;align-items:center}.results-meta>span:last-child{font-size:11px;white-space:nowrap}.sets{grid-template-columns:1fr;gap:16px}.set{padding:20px}.set h3{font-size:24px}.set-top{font-size:11px}.set p{font-size:14px}.set-bottom{font-size:13px}.set-bottom a{font-size:14px;min-height:44px}.library-note{font-size:13px}.more{font-size:14px}
#library[data-view=list] .set{grid-template-columns:33px minmax(0,1fr) 76px;gap:2px 9px;padding:12px 10px}#library[data-view=list] .set h3{font-size:18px;line-height:1.5}#library[data-view=list] .set>p{font-size:12px;line-height:1.7}#library[data-view=list] .set-bottom{flex-direction:column;gap:2px;align-items:stretch;font-size:11px;text-align:center}#library[data-view=list] .set-bottom a{min-width:0;min-height:44px;font-size:13px;padding:7px 3px}#library[data-view=list] .badge{font-size:12px;padding:2px 5px}.steps{grid-template-columns:1fr;gap:23px;padding:25px}.steps article{padding-left:42px;position:relative}.steps article>span{position:absolute;top:0;left:0;font-size:27px}.steps h3{font-size:19px;margin:0 0 7px}.steps p{font-size:14px}.usage-notice{padding:23px 18px 23px 59px;margin-bottom:24px}.notice-stamp{left:17px;top:25px;font-size:14px}.usage-notice h2{font-size:21px}.usage-notice p{font-size:13px}.usage-notice .notice-en{font-size:9px;letter-spacing:1px}.dialog-heading{padding:16px}.dialog-heading h2{font-size:21px}.dialog-body{padding:20px}.guide-text{font-size:15px}.dialog-caption{font-size:13px}footer.site-footer{padding:20px 16px}.footer-main{flex-direction:column;align-items:flex-start;gap:20px}.footer-identity>strong{font-size:17px}.footer-metrics{width:100%;flex-shrink:1}.visit-stats{gap:23px}.visit-stats>div{gap:8px}.visit-stats span{font-size:12px}.visit-caption{text-align:left;font-size:11px}}
@media(max-width:760px){.bundle{display:flex;gap:14px}.bundle>div{flex:1;min-width:0}.bundle p{overflow-wrap:anywhere}.sort-toggle{font-size:12px;padding:8px 6px}.results-meta{gap:8px}.results-meta>span:first-child{font-size:11px}}
@media(max-width:360px){.hero{padding:20px 16px;min-height:323px}.hero h1{font-size:32px}.hero-actions{gap:9px}.hero-button,.hero-secondary{padding:10px 10px;font-size:13px;gap:8px}.tabs button{padding:8px 6px;font-size:12px}.filters{flex-wrap:wrap}.search{flex-basis:100%}.view-toggle{align-self:start}select{max-width:none;width:100%}html{scroll-padding-top:212px}#library[data-view=list] .set{grid-template-columns:30px minmax(0,1fr) 69px;column-gap:7px}#library[data-view=list] .set h3{font-size:16px}.visit-stats{gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal-ready{opacity:1;transform:none}.app:hover,.set:hover,.bundle:hover{transform:none}}


/* Keep the ukiyo-e background still. */
.hero::before{animation:none}