/* Frond Grid catalogue (home) — 2026-09-29 v4. Loaded after shell.css on "/" only.
   Dark shelf, two products per row at every width, buy + listen on the card, a mini player with a buy button.
   System fonts only (CSP is self-only). All classes are fh-* so the product pages are untouched. */
.fh{
 --h-bg:#0e100d;--h-surface:#171a15;--h-raise:#1f231d;--h-line:#2c3129;--h-text:#f2f0e7;--h-soft:#d3d6ca;--h-muted:#9fa594;
 --h-rust:#e2572c;--h-rust-dark:#c4461e;--h-lime:#d8ed69;
 background:var(--h-bg);color:var(--h-text);color-scheme:dark;
}
.fh .fg-header,.fh .fg-footer{--fg-paper:var(--h-bg);--fg-ink:var(--h-text);--fg-muted:var(--h-muted);--fg-line:var(--h-line);--fg-accent:var(--h-rust)}
.fh .fg-header{position:sticky;top:0;z-index:30;border-bottom:1px solid transparent;background:rgba(14,16,13,.84);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.fh .fg-header .fg-wrap{min-height:58px}
.fh .fg-brand{font-size:24px}
.fh .fg-lang select{background:transparent;color:var(--h-text);border-bottom-color:var(--h-line)}
.fh .fg-lang option{background:var(--h-bg);color:var(--h-text)}
.fh .fg-footer{border-top:1px solid var(--h-line)}
.fh .fg-footer a:hover{color:var(--h-text)}
.fh p{line-height:1.7}
.fh :lang(ja){word-break:auto-phrase}

/* top: intro + shelf */
.fh-top{position:relative;isolation:isolate;padding-top:22px;padding-bottom:10px}
.fh-top:before{content:"";position:absolute;left:0;right:0;top:-70px;height:460px;z-index:-1;pointer-events:none;
 background-image:linear-gradient(rgba(242,240,231,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(242,240,231,.05) 1px,transparent 1px);
 background-size:28px 28px;background-position:center top;
 -webkit-mask-image:radial-gradient(ellipse 70% 80% at 30% 0,#000 25%,transparent 72%);mask-image:radial-gradient(ellipse 70% 80% at 30% 0,#000 25%,transparent 72%)}
.fh-kicker{display:flex;align-items:center;gap:10px;margin:0 0 14px;font:11px/1.4 var(--fg-mono);letter-spacing:.14em;color:var(--h-muted)}
.fh-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--h-rust);box-shadow:0 0 0 4px rgba(226,87,44,.18)}
.fh-title{margin:0;font-size:clamp(28px,8.5vw,84px);line-height:1.04;letter-spacing:-.045em;font-weight:700}
.fh-title span{display:block}
.fh-title span+span{color:#c9cdbf}
.fh-mark{margin:0;line-height:0}
.fh-mark-svg{display:block;width:100%;max-width:560px;height:auto;color:#f2f0e7}
/* layout V1 (owner 2026-09-30): spec sheet — kicker row, wordmark, ruled stats, METER / STYLE rows */
.fh-kicker-v1{justify-content:space-between}
.fh-kicker-v1:before{display:none}
.fh-stats{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--h-line);border-bottom:1px solid var(--h-line)}
.fh-stats li{display:flex;flex-direction:column;gap:7px;min-width:0;padding:14px 0 13px 14px;border-left:1px solid var(--h-line)}
.fh-stats li:first-child{padding-left:0;border-left:0}
.fh-stats b{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-stretch:condensed;font-weight:800;font-size:clamp(36px,11.5vw,60px);line-height:.92;letter-spacing:-.03em;color:var(--h-text)}
.fh-stats .is-fills b{color:var(--h-lime)}
.fh-stats .is-price b{color:var(--h-rust)}
.fh-stats span{font:10px/1.3 var(--fg-mono);letter-spacing:.14em;color:var(--h-muted)}
.fh-spec{margin:14px 0 0;display:grid;gap:8px}
.fh-spec div{display:grid;grid-template-columns:62px minmax(0,1fr);gap:12px;align-items:baseline}
.fh-spec dt{font:10px/1.3 var(--fg-mono);letter-spacing:.14em;color:var(--h-muted)}
.fh-spec dd{margin:0;font-size:clamp(14px,3.9vw,17px);line-height:1.45;font-weight:600;color:var(--h-soft)}
.fh-lines{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:5px}
.fh-lines li{font-size:clamp(16px,4.7vw,23px);line-height:1.3;font-weight:600;letter-spacing:-.01em;color:#d3d6ca}
.fh-lines li:first-child{color:#f2f0e7}
.fh-sub{margin:14px 0 0;font-size:13.5px;color:var(--h-muted);max-width:34em}

.fh-shelf{margin-top:24px;scroll-margin-top:80px}
.fh-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 12px}
.fh-card{display:flex;flex-direction:column;min-width:0;--acc:var(--h-lime)}
.fh-card[data-product=little-moves]{--acc:var(--h-rust)}
.fh-cover{position:relative;aspect-ratio:1;border-radius:6px;overflow:hidden;background:var(--h-surface);
 box-shadow:0 22px 40px -22px rgba(0,0,0,.9),inset 0 0 0 1px rgba(255,255,255,.05);transition:box-shadow .25s,transform .25s}
.fh-art{display:block;width:100%;height:100%}
.fh-art img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.fh-card:hover .fh-art img{transform:scale(1.035)}
.fh-card.is-playing .fh-cover{box-shadow:0 0 0 2px var(--acc),0 24px 50px -20px rgba(0,0,0,.95)}
.fh-card.is-playing .fh-art img{transform:scale(1.05)}
.fh-badge{position:absolute;left:8px;top:8px;padding:6px 7px 5px;border-radius:3px;background:var(--h-lime);color:#0c192e;font:700 10px/1 var(--fg-mono);letter-spacing:.12em;pointer-events:none}
.fh-play{position:absolute;right:8px;bottom:8px;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
 background:rgba(12,14,11,.72);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 8px 20px rgba(0,0,0,.45);transition:transform .18s,background .18s}
.fh-play:hover{transform:scale(1.06);background:rgba(12,14,11,.86)}
.fh-play:active{transform:scale(.95)}
.fh-play>svg{grid-area:1/1}
.fh-play .fg-i-play,.fh-play .fg-i-pause{width:14px;height:14px}
.fh-play .fg-i-play{margin-left:3px}
.fh-play .fg-i-pause,.fh-dock-toggle .fg-i-pause{display:none}
.fh-play[aria-pressed=true] .fg-i-play,.fh-dock-toggle[aria-pressed=true] .fg-i-play{display:none}
.fh-play[aria-pressed=true] .fg-i-pause,.fh-dock-toggle[aria-pressed=true] .fg-i-pause{display:block}
.fh-ring{width:50px;height:50px;transform:rotate(-90deg)}
.fh-ring circle{fill:none;stroke:rgba(255,255,255,.2);stroke-width:2}
.fh-ring .fh-ring-on{stroke:var(--acc);stroke-linecap:round;stroke-dasharray:141.4;stroke-dashoffset:141.4}

.fh-body{padding:12px 1px 0}
.fh-kind{margin:0 0 4px;font:10px/1.4 var(--fg-mono);letter-spacing:.1em;color:var(--h-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fh-name{margin:0;font-size:18px;line-height:1.15;letter-spacing:-.03em;font-weight:700}
.fh-line{margin:5px 0 0;font-size:12px;line-height:1.55!important;color:var(--h-soft)}
.fh-facts{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:10px 0 0;padding:0}
.fh-facts li{padding:5px 7px;border:1px solid var(--h-line);border-radius:999px;font-size:10.5px;line-height:1.1;color:var(--h-soft);white-space:nowrap}
.fh-facts li.is-off{border-style:dashed;color:var(--h-muted);opacity:.75}
.fh-cta{margin-top:auto;padding-top:12px;display:flex;flex-direction:column}
.fh .fg-buy{display:flex;align-items:center;justify-content:center;gap:7px;min-height:46px;padding:0 12px;border-radius:999px;
 background:var(--h-rust);color:#fff!important;font-size:14px;font-weight:700;box-shadow:0 10px 22px -12px rgba(226,87,44,.9);transition:background .15s,transform .15s}
.fh .fg-buy:hover{background:var(--h-rust-dark)}
.fh .fg-buy:active{transform:scale(.98)}
.fh-buy-price{font-variant-numeric:tabular-nums}
.fh-buy-sep{opacity:.55}
.fh-soon{display:flex;align-items:center;justify-content:center;min-height:46px;border:1px dashed var(--h-line);border-radius:999px;font-size:13px;color:var(--h-muted)}
.fh-more{display:flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:6px 0;font-size:12px;color:var(--h-muted)}
.fh-more:hover{color:var(--h-text)}

.fh-trust{list-style:none;margin:26px 0 0;padding:14px 0;border-top:1px solid var(--h-line);border-bottom:1px solid var(--h-line);
 display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.fh-trust li{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--h-soft)}
.fh-trust li:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--h-lime);flex-shrink:0}
.fh-legal{margin-top:12px;font-size:11px;color:var(--h-muted)}
.fh-legal p{margin:0 0 4px}
.fh-legal ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.fh-legal li{line-height:1.9}
.fh-legal b{font-weight:600;color:var(--h-soft);margin-right:4px}
.fh-legal a{text-decoration:underline;text-underline-offset:3px}
.fh-legal a:hover{color:var(--h-text)}

/* lower sections */
.fh-section{padding:48px 0 0}
.fh-h2{margin:0 0 14px;font-size:22px;letter-spacing:-.03em;font-weight:700}
.fh-table-wrap{overflow-x:auto}
.fh-table{width:100%;border-collapse:collapse;font-size:12.5px}
.fh-table th,.fh-table td{padding:11px 8px 11px 0;border-bottom:1px solid var(--h-line);text-align:left;vertical-align:top;font-weight:400}
.fh-table thead th{font-weight:700;color:var(--h-text);font-size:13px}
.fh-table thead a:hover{color:var(--h-lime)}
.fh-table tbody th{color:var(--h-muted);width:27%}
.fh-table td{color:var(--h-soft)}
.fh-table td.is-none{color:#5f655a}
.fh-note{margin:12px 0 0;font-size:12px;color:var(--h-muted)}
.fh-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px;counter-reset:fh}
.fh-steps li{position:relative;padding:14px 14px 14px 50px;border:1px solid var(--h-line);border-radius:10px;background:var(--h-surface);font-size:12.5px;line-height:1.6;color:var(--h-soft)}
.fh-steps li:before{counter-increment:fh;content:"0" counter(fh);position:absolute;left:15px;top:15px;font:12px/1.4 var(--fg-mono);color:var(--h-lime)}
.fh-steps b{display:block;margin-bottom:2px;font-size:14px;color:var(--h-text)}
.fh-about{padding-top:48px;padding-bottom:64px}
.fh-about>*{max-width:620px}
.fh-about p{font-size:13px;color:var(--h-soft);margin:6px 0}
.fh-about a.fg-mail{border-bottom:1px solid var(--h-line);padding-bottom:2px}

/* mini player */
.fh-dock{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:40;display:flex;align-items:center;gap:10px;
 padding:8px;border:1px solid var(--h-line);border-radius:14px;background:rgba(26,30,24,.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
 box-shadow:0 20px 44px -14px rgba(0,0,0,.8);animation:fh-rise .28s cubic-bezier(.2,.8,.2,1)}
.fh-dock[hidden]{display:none}
@keyframes fh-rise{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.fh-dock-bar{position:absolute;left:14px;right:14px;top:0;height:2px;overflow:hidden;border-radius:2px;background:rgba(255,255,255,.08)}
.fh-dock-bar i{display:block;width:100%;height:100%;background:var(--h-lime);transform-origin:left center;transform:scaleX(0)}
.fh-dock img{width:44px;height:44px;border-radius:6px;object-fit:cover;flex-shrink:0;background:var(--h-surface)}
.fh-dock-text{flex:1;min-width:0;margin:0;display:flex;flex-direction:column;line-height:1.3!important}
.fh-dock-text strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fh-dock-text span{font-size:11px;color:var(--h-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fh-dock-toggle{width:40px;height:40px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;border:1px solid var(--h-line)!important}
.fh-dock-toggle svg{width:12px;height:12px}
.fh-dock-buy{display:flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;background:var(--h-rust);color:#fff!important;font-size:13px;font-weight:700;white-space:nowrap}
.fh-dock-buy:hover{background:var(--h-rust-dark)}
.fh-dock-close{width:32px;height:40px;flex-shrink:0;color:var(--h-muted);font-size:20px;line-height:1}
.fh-dock-close:hover{color:var(--h-text)}
.fh.has-dock .fg-footer{padding-bottom:84px}

@media(min-width:600px){
 .fh-grid{gap:30px 18px}
 .fh-name{font-size:21px}
 .fh-line{font-size:13px}
 .fh-trust{grid-template-columns:repeat(4,auto);justify-content:start;gap:10px 26px}
 .fh-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(min-width:900px){
 .fh .fg-header .fg-wrap{min-height:66px}
 .fh-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;padding-top:64px;padding-bottom:10px}
 .fh-intro{position:sticky;top:120px}
 .fh-title{font-size:clamp(38px,3.4vw,54px)}
 .fh-title span{white-space:nowrap}
 .fh-sub{font-size:14.5px}
 .fh-shelf{margin-top:0}
 .fh-grid{gap:36px 24px}
 .fh-name{font-size:24px}
 .fh-play{width:56px;height:56px;right:12px;bottom:12px}
 .fh-ring{width:56px;height:56px}
 .fh-badge{left:12px;top:12px}
 .fh-lower{display:grid;grid-template-columns:1.2fr 1fr;gap:56px}
 .fh-steps{grid-template-columns:1fr}
 .fh-dock{left:auto;right:24px;bottom:24px;width:440px}
}
@media(prefers-reduced-motion:reduce){.fh-dock{animation:none}.fh-art img{transition:none}}