:root{color-scheme:light}body{margin:0;font:14px system-ui}img{max-width:100%}[hidden]{display:none!important}

:root{
  --ground:#F3F3F0; --tile:#FBFBF9; --tile-edge:rgba(24,26,30,.07);
  --ink:#1B1C1F; --muted:#6C6E72; --line:#E0E0DB; --accent:#35568F; --badge:#35568F;
  --shadow:rgba(30,34,40,.28); --shadow-g:rgba(30,34,40,.16);
  --bar-bg:rgba(243,243,240,.92); --cta-bg:#1B1C1F; --cta-ink:#FBFBF9; --scrim:rgba(14,16,20,.42); --sheet:#FBFBF9;
  --f-jp:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
  --f-ui:"Archivo","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.9,.26,1); --dur:.52s;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#1E2023; --tile:#E2E1DC; --tile-edge:rgba(0,0,0,.25);
    --ink:#ECEDEE; --muted:#9FA3A8; --line:#34373C; --accent:#A9BFE8;
    --shadow:rgba(0,0,0,.6); --shadow-g:rgba(0,0,0,.18);
    --bar-bg:rgba(30,32,35,.92); --cta-bg:#ECEDEE; --cta-ink:#1B1C1F; --scrim:rgba(0,0,0,.55); --sheet:#26282C;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#1E2023; --tile:#E2E1DC; --tile-edge:rgba(0,0,0,.25);
  --ink:#ECEDEE; --muted:#9FA3A8; --line:#34373C; --accent:#A9BFE8;
  --shadow:rgba(0,0,0,.6); --shadow-g:rgba(0,0,0,.18);
  --bar-bg:rgba(30,32,35,.92); --cta-bg:#ECEDEE; --cta-ink:#1B1C1F; --scrim:rgba(0,0,0,.55); --sheet:#26282C;
}

html,body{background:var(--ground)}
body{color:var(--ink);font-family:var(--f-jp);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.defs{position:absolute;width:0;height:0;overflow:hidden}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.app{max-width:480px;margin:0 auto;background:var(--ground);padding-bottom:calc(var(--bar-h,84px) + 4px)}
@media (min-width:720px){ .app{box-shadow:0 0 0 1px var(--line)} }

/* ---------- header ---------- */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 16px 0}
.wordmark{margin:0;font:700 19px/1 var(--f-ui);font-stretch:125%;font-variation-settings:"wdth" 125;letter-spacing:.1em}
.top-sub{display:flex;align-items:center;gap:8px;font:500 11px/1 var(--f-jp);color:var(--muted)}
.pr{font:700 9.5px/1 var(--f-ui);letter-spacing:.08em;padding:3px 5px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}
.cats{display:flex;gap:22px;padding:0 16px;margin-top:14px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.cats button{flex:none;background:none;border:0;padding:10px 0 11px;font:500 14px/1 var(--f-jp);color:var(--muted);box-shadow:inset 0 -2px 0 transparent;transition:color .2s,box-shadow .2s}
.cats button[aria-pressed="true"]{color:var(--ink);font-weight:700;box-shadow:inset 0 -2px 0 var(--ink)}
.look-head{padding:16px 16px 14px}
.eyebrow-row{display:flex;align-items:center;justify-content:space-between;gap:12px;height:18px;margin-bottom:6px}
.eyebrow{font:500 11px/1 var(--f-jp);color:var(--muted);margin:0}
h1{font:700 19px/1.35 var(--f-jp);letter-spacing:.03em;margin:0;text-wrap:balance}
.hint{font:400 12px/1.45 var(--f-jp);color:var(--muted);margin:6px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reset{flex:none;display:inline-flex;align-items:center;gap:5px;background:none;border:0;border-bottom:1px solid var(--ink);padding:0 0 3px;font:500 12px/1 var(--f-jp);white-space:nowrap}
.reset svg{width:12px;height:12px}

/* ---------- stage & lanes ---------- */
.stage{position:relative;overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.stage.enter .lane{animation:enter .45s var(--ease) both}
.stage.enter .lane:nth-child(2){animation-delay:.05s}
.stage.enter .lane:nth-child(3){animation-delay:.1s}
@keyframes enter{from{opacity:0;transform:translateY(8px)}}
.lane{position:relative;overflow:hidden;cursor:pointer;transition:height var(--dur) var(--ease)}
.lane[data-mode="edit"]{cursor:default}
.track{position:absolute;inset:0;touch-action:pan-y}
.track:focus-visible{outline-offset:-3px}
.lane:not([data-mode="edit"]) .track{pointer-events:none}
.lane[data-mode="edit"] .track{cursor:grab}
.lane.dragging .track{cursor:grabbing}

.card{position:absolute;left:0;top:0;transform-origin:50% 50%;transition:transform var(--dur) var(--ease),opacity .42s ease}
.lane.dragging .card{transition:none;will-change:transform}
.lane.nudge .card{transition-duration:.3s}
.tile{position:absolute;inset:0;border-radius:4px;background:var(--tile);box-shadow:inset 0 0 0 1px var(--tile-edge);transition:box-shadow .35s ease}
.lane[data-mode="edit"] .card.is-center .tile{box-shadow:inset 0 0 0 1px var(--tile-edge),0 20px 38px -26px var(--shadow)}
.media{position:absolute;left:8%;top:8%;width:84%;height:84%;overflow:visible;filter:drop-shadow(0 5px 6px var(--shadow-g))}
/* 楽天の商品画像（白背景が多い）を板の色になじませる */
img.media{object-fit:contain;mix-blend-mode:multiply;filter:none}
.badge{position:absolute;top:8px;left:8px;z-index:2;font:700 10px/1 var(--f-jp);letter-spacing:.06em;padding:4px 6px 3px;color:var(--badge);border:1px solid currentColor;border-radius:2px;background:var(--tile);opacity:0;transition:opacity .3s ease}
.lane[data-mode="edit"] .badge{opacity:1}

/* credits (look / mini) */
.credit{position:absolute;left:var(--cl,50%);right:16px;top:50%;transform:translateY(-50%);display:grid;gap:7px;padding:8px 0;text-align:left;background:none;border:0;transition:left var(--dur) var(--ease),opacity .3s ease .12s}
.lane[data-mode="edit"] .credit{opacity:0;pointer-events:none;transition:left var(--dur) var(--ease),opacity .15s ease}
.c-label{display:flex;align-items:center;justify-content:space-between;font:500 11px/1 var(--f-jp);color:var(--muted)}
.pips{display:flex;gap:3px}
.pips i{width:4px;height:4px;border-radius:50%;background:var(--line);transition:background .3s}
.pips i.on{background:var(--ink)}
.c-name{font:500 13px/1.45 var(--f-jp);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:auto-phrase}
.c-foot{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.c-price{font:600 14px/1 var(--f-ui);font-variant-numeric:tabular-nums}
.c-change{display:inline-flex;align-items:center;gap:3px;font:500 11px/1 var(--f-jp);color:var(--muted);white-space:nowrap}
.chev{width:6px;height:9px}
.lane[data-mode="mini"] .c-change{display:none}
.lane[data-mode="mini"] .credit{gap:5px}
@media (hover:hover){ .lane[data-mode="look"]:hover .c-change,.lane[data-mode="mini"]:hover .c-name{color:var(--ink)} }

/* info (edit) */
.info{position:absolute;left:16px;right:16px;top:var(--hc,220px);z-index:12;display:grid;align-content:start;gap:6px;padding-top:4px;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.lane[data-mode="edit"] .info{opacity:1;transform:none;pointer-events:auto;transition:opacity .4s ease .16s,transform .5s var(--ease) .1s}
.pager{display:flex;justify-content:center;align-items:center;gap:6px;height:10px;margin-bottom:4px}
.pager i{width:6px;height:6px;border-radius:3px;background:var(--line);transition:width .35s var(--ease),background .35s}
.pager i.on{width:20px;background:var(--ink)}
.i-row{display:flex;align-items:center;gap:10px;min-width:0}
.i-cat{font:500 11px/1 var(--f-jp);color:var(--muted)}
.i-brand{font:600 10px/1 var(--f-ui);letter-spacing:.14em}
.done{margin-left:auto;height:32px;padding:0 16px;border:0;border-radius:16px;background:var(--ink);color:var(--ground);font:700 12px/1 var(--f-jp);letter-spacing:.08em}
.i-name{margin:0;font:500 15px/1.4 var(--f-jp);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.i-meta{flex:1;min-width:0;font:400 12px/1.3 var(--f-jp);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.i-price{font:600 17px/1 var(--f-ui);font-variant-numeric:tabular-nums}
.info.swap .i-brand,.info.swap .i-name,.info.swap .i-meta,.info.swap .i-price{animation:swap .34s var(--ease)}
@keyframes swap{from{opacity:0;transform:translateY(5px)}}

.nav{position:absolute;top:calc(var(--hc,220px) / 2 - 18px);z-index:20;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--ground);display:none;place-items:center;padding:0}
.nav svg{width:8px;height:12px}
.prev svg{transform:scaleX(-1)}
.prev{left:12px}.next{right:12px}
.nav:disabled{opacity:.3;cursor:default}
@media (hover:hover) and (pointer:fine){ .lane[data-mode="edit"] .nav{display:grid} }

/* ---------- bottom bar ---------- */
.bar{position:fixed;left:50%;bottom:0;transform:translateX(-50%);z-index:30;width:100%;max-width:480px;box-sizing:border-box;display:flex;align-items:center;gap:14px;padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));background:var(--bar-bg);-webkit-backdrop-filter:saturate(1.3) blur(14px);backdrop-filter:saturate(1.3) blur(14px);border-top:1px solid var(--line)}
.sum{flex:1;min-width:0;display:grid;gap:6px}
.sum-label{font:500 11px/1 var(--f-jp);color:var(--muted);white-space:nowrap}
.sum-total{font:600 23px/1 var(--f-ui);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.cta{flex:none;display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 18px;border:0;border-radius:4px;background:var(--cta-bg);color:var(--cta-ink);font:700 14px/1 var(--f-jp);letter-spacing:.04em;white-space:nowrap}
.cta svg{width:11px;height:11px}
.cta:active{transform:translateY(1px)}
@media (max-width:359px){ .cta{padding:0 12px;font-size:13px;gap:6px} .sum-total{font-size:20px} }

/* ---------- sheet & toast ---------- */
.sheet-wrap{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.scrim{position:absolute;inset:0;background:var(--scrim);opacity:0;transition:opacity .3s ease}
.sheet{position:relative;box-sizing:border-box;width:100%;max-width:480px;max-height:88%;overflow:auto;background:var(--sheet);border-radius:14px 14px 0 0;padding:10px 16px calc(16px + env(safe-area-inset-bottom,0px));transform:translateY(100%);transition:transform .42s var(--ease)}
.sheet:focus{outline:none}
.sheet-wrap.open .scrim{opacity:1}
.sheet-wrap.open .sheet{transform:none}
.grab{width:36px;height:4px;border-radius:2px;background:var(--line);margin:0 auto 14px}
.sheet h2{font:700 17px/1.3 var(--f-jp);margin:0}
.sheet-sub{display:block;font:400 12px/1.5 var(--f-jp);color:var(--muted);margin-top:4px}
.s-list{list-style:none;margin:14px 0 0;padding:0}
.s-row{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.s-thumb{position:relative;width:64px;height:64px;border-radius:4px;background:var(--tile);box-shadow:inset 0 0 0 1px var(--tile-edge)}
.s-thumb .media{filter:drop-shadow(0 2px 3px var(--shadow-g))}
.s-text{display:grid;gap:4px;min-width:0}
.s-cat{font:500 10.5px/1 var(--f-jp);color:var(--muted)}
.s-name{font:500 13px/1.4 var(--f-jp);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.s-meta{font:400 11px/1.3 var(--f-jp);color:var(--muted)}
.s-right{display:grid;justify-items:end;gap:9px}
.s-price{font:600 14px/1 var(--f-ui);font-variant-numeric:tabular-nums}
.s-link{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:14px;padding:6px 9px 6px 11px;font:500 11px/1 var(--f-jp);white-space:nowrap;text-decoration:none}
.s-total{display:flex;align-items:baseline;justify-content:space-between;padding:14px 0 0;border-top:1px solid var(--ink)}
.s-total span{font:500 12px/1 var(--f-jp);color:var(--muted)}
.s-total strong{font:600 22px/1 var(--f-ui);font-variant-numeric:tabular-nums}
.s-note{font:400 11.5px/1.6 var(--f-jp);color:var(--muted);margin:12px 0 16px}
.s-close{width:100%;height:48px;border:1px solid var(--ink);border-radius:4px;background:none;font:700 14px/1 var(--f-jp);letter-spacing:.06em}
.toast{position:fixed;left:50%;bottom:calc(var(--bar-h,84px) + 14px);z-index:60;transform:translate(-50%,8px);max-width:calc(100% - 48px);box-sizing:border-box;padding:10px 16px;border-radius:20px;background:var(--ink);color:var(--ground);font:500 12px/1.4 var(--f-jp);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease}
.toast.show{opacity:1;transform:translate(-50%,0)}

.stage.instant .lane,.stage.instant .card,.stage.instant .tile,.stage.instant .info,.stage.instant .credit{transition:none!important}
@media (prefers-reduced-motion: reduce){
  .lane,.card,.tile,.info,.credit,.pager i,.sheet,.scrim,.toast{transition:none!important}
  .info.swap *,.stage.enter .lane{animation:none!important}
}

/* Real catalog adaptation. Geometry and swipe engine come from the frozen reference. */
img.media,.s-thumb img.media{object-fit:contain;mix-blend-mode:normal;filter:none;overflow:hidden}
.i-name{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.4;max-height:2.8em}
.i-brand{letter-spacing:.02em;max-width:42%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.i-meta{white-space:normal;line-height:1.5;font-size:11px}
.i-date{font-size:10px;line-height:1.3;margin:0;color:var(--muted)}
.i-price{flex:none}
.s-row{grid-template-columns:64px minmax(0,1fr);align-items:start}
.s-name{display:block;overflow:visible;line-height:1.6;overflow-wrap:anywhere}
.s-meta{line-height:1.6;overflow-wrap:anywhere}
.s-right{grid-column:1/-1;justify-items:stretch;gap:6px;padding:0 0 4px}
.s-link-label{font-weight:700;font-size:12px}
.official-link{padding:12px;border:1px solid var(--line);border-radius:6px;line-height:1.7;font-size:12px;overflow-wrap:anywhere}
.official-link a{display:block;text-underline-offset:3px}
.disclosure{font-size:11px;color:var(--muted);line-height:1.7;padding:6px 16px 16px}
.disclosure p{margin:8px 0}
.disclosure strong{color:var(--ink)}
.category-note{font-size:11px;line-height:1.6;color:var(--muted)}
.media-unavailable{position:absolute;inset:0;display:grid;place-content:center;font-size:12px;color:var(--muted)}
.sum-label{font-size:10px;line-height:1.5}
.bar .cta{white-space:nowrap}
@media(max-width:359px){.cats{gap:18px}.c-foot{gap:4px}.c-change{font-size:10px}.c-price{font-size:13px}.i-meta{font-size:10px}.i-price{font-size:15px}}