/* 計量カップの「めもり」が主役。上から 入力 → カップ → 比較 → 計算のしかた */
:root{
  --bg:#eef4f2; --paper:#ffffff; --ink:#1d2a27; --sub:#5a6b66; --line:#d3e0dc;
  --green:#2f6f62; --green-soft:#dcece7; --on-green:#ffffff;
  --kibble:#d4922a; --kibble-soft:#f8ead2; --kibble-ink:#4a2f05;
  --rose:#c4566a; --rose-soft:#f8e3e7;
  --blue:#3f6fb5; --blue-soft:#e3ecf8;
  --f-body:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","Hiragino Sans",system-ui,sans-serif;
  --f-num:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#111816; --paper:#18221f; --ink:#e6efec; --sub:#9db0aa; --line:#2a3834;
  --green:#5fbfaa; --green-soft:#17302a; --on-green:#0c1a17;
  --kibble:#e8a943; --kibble-soft:#3a2c14; --kibble-ink:#f8ead2;
  --rose:#ec8496; --rose-soft:#3b2026; --blue:#86aee8; --blue-soft:#1b2a40; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#111816; --paper:#18221f; --ink:#e6efec; --sub:#9db0aa; --line:#2a3834;
  --green:#5fbfaa; --green-soft:#17302a; --on-green:#0c1a17;
  --kibble:#e8a943; --kibble-soft:#3a2c14; --kibble-ink:#f8ead2;
  --rose:#ec8496; --rose-soft:#3b2026; --blue:#86aee8; --blue-soft:#1b2a40; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.75;padding-inline:16px;padding-block:18px 60px}
.wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
h1,h2,h3{margin:0;line-height:1.35;text-wrap:balance}
p{margin:0}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums}
.small{font-size:12.5px}
.muted{color:var(--sub)}
.brand{display:flex;align-items:center;gap:12px}
.mark{width:46px;height:46px;border-radius:14px;background:var(--green);display:grid;place-items:center;flex:none;color:var(--on-green)}
h1{font-size:clamp(24px,6vw,32px);font-weight:800}
.lede{color:var(--sub);max-width:60ch}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:16px}
.card h2{font-size:17px}
.example{align-self:flex-start;font-size:12.5px;background:var(--kibble-soft);color:var(--ink);border-radius:6px;padding:2px 8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>label,.field>.lbl{font-weight:800;font-size:14px}
.row{display:flex;align-items:center;gap:10px}
.row input[type=range]{flex:1;min-width:0;accent-color:var(--green)}
.box{display:flex;align-items:baseline;gap:4px;border:2px solid var(--line);border-radius:10px;padding:4px 10px;background:var(--bg)}
.box:focus-within{border-color:var(--green)}
.box input{width:66px;border:0;background:transparent;font:700 18px var(--f-num);color:var(--ink);text-align:right;padding:0;min-width:0}
.box input:focus{outline:none}
.box span{font-size:12.5px;color:var(--sub);white-space:nowrap}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{appearance:none;font:700 13px var(--f-body);border:1.5px solid var(--line);background:var(--paper);color:var(--ink);border-radius:999px;padding:5px 12px;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:var(--on-green)}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--kibble);outline-offset:2px}
/* フード入力 */
.foods{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.food{border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}
.food .tag{display:inline-flex;align-items:center;gap:8px;font-weight:800}
.dot{width:12px;height:12px;border-radius:50%}
.food .namebox{border:2px solid var(--line);border-radius:10px;background:var(--paper);padding:6px 10px;font:700 14px var(--f-body);color:var(--ink);width:100%}
.food .namebox:focus{outline:none;border-color:var(--green)}
.food .box{background:var(--paper)}
.food .box input{width:64px}
.food .pair{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap}
.toggleB{appearance:none;border:1.5px dashed var(--line);background:transparent;color:var(--sub);border-radius:14px;font:700 14px var(--f-body);cursor:pointer;min-height:120px}
/* 結果 */
.result{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}
.cupwrap{display:flex;flex-direction:column;align-items:center;gap:6px}
.cupwrap svg{width:170px;height:auto}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;min-width:0}
.stat{border-radius:12px;padding:10px 12px;background:var(--bg)}
.stat>span{display:block;font-size:12px;font-weight:700;color:var(--sub)}
.stat b{font:700 22px var(--f-num)}
.stat b small{font-size:13px;font-weight:500;margin-left:2px}
.stat.main{background:var(--green-soft);grid-column:1/-1}
.stat.main b{font-size:32px;color:var(--green)}
.cmp{display:flex;flex-direction:column;gap:10px}
.cmp-item{display:flex;flex-direction:column;gap:4px}
.cmp-head{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;font-weight:700}
.cmp-head .nm{display:inline-flex;align-items:center;gap:6px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cmp-row{display:block}
.cmp-row .bar,.cmp-item .bar{height:18px;border-radius:6px;background:var(--bg);overflow:hidden}
.cmp-item .bar i{display:block;height:100%;border-radius:6px;transition:width .3s ease}
.cmp-row .num{text-align:right;font-weight:700}
.cmp-note{font-size:13.5px;padding:8px 12px;border-radius:10px;background:var(--kibble-soft)}
.warn{font-size:13.5px;padding:8px 12px;border-radius:10px;background:var(--rose-soft)}
/* PR */
.pr{border:1px solid var(--line);border-radius:16px;background:var(--paper);padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.pr-h{font-weight:800;display:flex;gap:8px;align-items:center}
.pr-tag{font-size:11px;font-weight:700;color:var(--sub);border:1px solid var(--line);border-radius:4px;padding:0 5px}
.links{display:flex;flex-wrap:wrap;gap:8px}
.links a{text-decoration:none;font-weight:700;font-size:13.5px;border-radius:10px;padding:8px 12px;border:1.5px solid var(--line);color:var(--ink);background:var(--bg)}
.links a:hover{border-color:var(--green)}
.links a.primary{background:var(--green);border-color:var(--green);color:var(--on-green)}
/* 計算のしかた */
.formula{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px}
.formula span{padding:6px 10px;border-radius:10px;background:var(--bg);border:1px solid var(--line)}
.formula b{color:var(--green)}
.formula i{font-style:normal;color:var(--sub);font-weight:800}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}
th{font-size:12px;color:var(--sub)}
td.num{font-family:var(--f-num)}
.tblwrap{overflow-x:auto}
.tips{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tip{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px}
.tip b{display:block;margin-bottom:2px}
.tip p{color:var(--sub);font-size:14px}
footer{font-size:12px;color:var(--sub);display:flex;flex-direction:column;gap:4px}
footer a{color:inherit}
.px{position:absolute;width:1px;height:1px;border:0}
@media (max-width:640px){
  .grid2,.foods,.tips{grid-template-columns:1fr}
  .result{grid-template-columns:1fr;justify-items:center}
  .stats{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* 共通メニュー */
.gnav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin:-4px -16px 0;padding:4px 16px 2px}
.gnav::-webkit-scrollbar{display:none}
.gnav a{flex:none;display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:800;font-size:13.5px;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:6px 14px}
.gnav a i{width:9px;height:9px;border-radius:50%}
.gnav a[aria-current=page]{background:var(--green);border-color:var(--green);color:var(--on-green)}
.brand a{color:inherit;text-decoration:none}
.fnav{display:flex;flex-wrap:wrap;gap:4px 14px}
.fnav a{color:var(--sub)}

/* 商品カード */
.grp{display:flex;flex-direction:column;gap:8px}
.gt{margin:0;font-weight:800;font-size:14px;display:flex;align-items:center;gap:8px}
.gt i{width:10px;height:10px;border-radius:3px}
.items{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.item{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:10px;border-radius:14px;background:var(--bg);border:1.5px solid transparent}
.item:hover{border-color:var(--line)}
.item .ph img{width:88px;height:88px;object-fit:contain;border-radius:10px;background:#fff;display:block}
.item .tx{display:flex;flex-direction:column;gap:3px;min-width:0}
.item .nm{font-weight:800;font-size:14px;color:var(--ink);line-height:1.45;text-decoration:underline;text-decoration-color:var(--green);text-underline-offset:3px}
.item .nt{font-size:12.5px;color:var(--sub);line-height:1.55}
.item .pc{font-size:12.5px}
.item .pc small{color:var(--sub);margin-left:3px}
.item .bt{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.item .bt a{font-weight:800;font-size:12.5px;text-decoration:none;border-radius:999px;padding:5px 12px;color:#fff}
.item .b-rak{background:#bf0000}
.item .b-amz{background:#232f3e}
.pr-note{margin:0;font-size:12px;color:var(--sub)}
@media (max-width:640px){.items{grid-template-columns:1fr}}

/* フードを選ぶ */
.fsel{width:100%;font:700 14px var(--f-body);color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:10px;padding:7px 10px}
.fsel:focus{outline:none;border-color:var(--green)}
.src{font-size:11.5px;color:var(--sub)}
.src a{color:inherit}
.gnav a[aria-current=page] i{background:var(--on-green)!important}
/* 多頭飼い */
.catsbox{display:flex;flex-direction:column;gap:10px}
.cat{border-radius:14px;background:var(--bg);padding:12px;display:flex;flex-direction:column;gap:10px}
.cat .ch{display:flex;align-items:center;gap:8px}
.cat .ch i{width:14px;height:14px;border-radius:50%;flex:none}
.cat .cname{flex:1;min-width:0;border:2px solid var(--line);border-radius:10px;background:var(--paper);padding:5px 10px;font:800 14px var(--f-body);color:var(--ink)}
.cat .cname:focus{outline:none;border-color:var(--green)}
.cat .rm{appearance:none;border:0;background:none;color:var(--sub);font:500 12px var(--f-body);cursor:pointer;text-decoration:underline}
.cat .box{background:var(--paper)}
.addcat{appearance:none;border:1.5px dashed var(--green);background:transparent;color:var(--green);border-radius:12px;font:800 14px var(--f-body);padding:10px;cursor:pointer}
.cups{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.cups figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:2px}
.cups figure svg{width:170px;height:auto}
.cups.many figure svg{width:96px}
.cups figcaption{font-size:12px;font-weight:800;display:flex;align-items:center;gap:4px}
.cups figcaption i{width:9px;height:9px;border-radius:50%}
.percat{display:flex;flex-direction:column;gap:6px}
.pc-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;font-size:14px;padding:8px 12px;border-radius:12px;background:var(--bg)}
.pc-row .nm{display:flex;align-items:center;gap:8px;font-weight:800;min-width:0}
.pc-row .nm i{width:10px;height:10px;border-radius:50%;flex:none}
.pc-row b{font:700 16px var(--f-num)}
.pc-row small{color:var(--sub);font-size:11.5px}
.site{display:inline-block;font-size:12px;font-weight:800;color:var(--green);text-decoration:none;letter-spacing:.12em;margin-bottom:-2px}