@import url('https://fonts.googleapis.com/css2?family=BIZ+UDPGothic:wght@400;700&display=swap');

:root{
  --navy:#1a3a6b; --navy-2:#24508f; --navy-light:#eaf0fa; --bg:#eef0f5; --card:#ffffff;
  --text:#1b2330; --muted:#5d6678; --line:#d9dee8; --req:#b3261e; --ok:#1e7b4f; --warn-bg:#fff6c9; --hl:#fff3a8;
  --edge:#c3cde2; --empty:#f3f6fc; --auto-bg:#e3f2ea; --auto-line:#9fcfb4; --auto-text:#1d5a3b;
  --barh:70px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);
  font-family:"BIZ UDPGothic","Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",Meiryo,sans-serif;
  font-size:15px;line-height:1.6}
button,input,select,textarea{font:inherit;color:inherit}
header.top{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;
  display:flex;align-items:center;gap:12px;padding:10px 16px}
header.top h1{font-size:17px;margin:0;font-weight:700;white-space:nowrap}
header.top .sub{font-size:12px;opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
header.top button{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);border-radius:6px;padding:6px 10px;cursor:pointer;white-space:nowrap}
header.top .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
main{max-width:1160px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:14px}
.hint{color:var(--muted);font-size:13px}
.btn{border:1px solid var(--navy);background:#fff;color:var(--navy);border-radius:8px;padding:9px 14px;cursor:pointer;font-weight:600}
.btn.primary{background:var(--navy);color:#fff}
.btn.small{padding:4px 10px;font-size:13px;font-weight:500}
.btn.ghost{border-color:var(--line);color:var(--muted);font-weight:500}
.newbox button:disabled{opacity:.45;cursor:not-allowed}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row .grow{flex:1}
.newbox{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.newbox button{padding:18px 12px;border-radius:10px;border:2px solid var(--navy);background:#fff;color:var(--navy);cursor:pointer;text-align:left}
.newbox button b{display:block;font-size:17px}
.newbox button span{font-size:13px;color:var(--muted)}
.list .item{display:flex;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.list .item:first-child{border-top:0}
.list .item .t{flex:1;min-width:0}
.list .item .t b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{display:inline-block;font-size:12px;border-radius:4px;padding:0 6px;background:var(--navy-light);color:var(--navy);margin-right:4px}
.toast{position:fixed;left:50%;bottom:calc(var(--barh) + 16px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#233;color:#fff;padding:8px 14px;border-radius:6px;font-size:14px;z-index:50;opacity:0;transition:opacity .2s;pointer-events:none;max-width:92vw}
.toast.show{opacity:.95}
dialog{border:0;border-radius:10px;padding:0}
dialog::backdrop{background:rgba(10,20,40,.45)}
dialog .dh{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:#fff;padding:8px 12px}
.demo{background:var(--warn-bg);border:1px solid #f0d58c;border-radius:8px;padding:8px 12px;font-size:13px;margin-bottom:12px}

@media (max-width:640px){
  main{padding:10px}
  .newbox{grid-template-columns:1fr}
}
.swatches{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.swatches .sw{width:22px;height:22px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.swatches .sw[aria-checked="true"]{box-shadow:0 0 0 2px var(--text)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.suggest{position:relative}
.suggest input{width:100%}
.suggest ul{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:30;margin:0;padding:4px 0;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 18px rgba(27,35,48,.12)}
.suggest li{padding:8px 12px;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggest li[aria-selected="true"],.suggest li:hover{background:var(--navy-light)}