:root{
  --bg:#f5f6f8;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;
  --primary:#2563eb;--primary-dark:#1d4ed8;--danger:#dc2626;--ok:#16a34a;--warn:#d97706;
  --store-primary:#2563eb;--store-secondary:#7c3aed;--store-accent:#f59e0b;
  --radius:14px;--shadow:0 1px 3px rgba(0,0,0,.06),0 6px 20px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;font-size:16px;line-height:1.6}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{margin:0 0 .5em;line-height:1.3}
.page-title{font-size:1.5rem;margin:.2rem 0 1rem}
.section-title{font-size:1.1rem;margin:1.5rem 0 .6rem;color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:.85rem}.pre{white-space:pre-wrap}
.inline{display:inline}
.container{max-width:1080px;margin:0 auto;padding:16px;padding-bottom:60px}
.topbar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:900;color:var(--store-primary);font-size:1.05rem;white-space:nowrap}
.topbar-store{font-weight:700;color:var(--text);padding:4px 10px;border-radius:999px;background:color-mix(in srgb,var(--store-primary) 12%,#fff);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40vw}
.topbar-link{font-size:.85rem;color:var(--muted);white-space:nowrap}
.topbar .btn-sm{white-space:nowrap;padding:6px 8px}
@media(max-width:480px){.topbar{gap:6px;padding:8px 10px}.topbar-user{display:none}.brand{font-size:.95rem}}
.topbar-user{font-size:.85rem;color:var(--muted);white-space:nowrap}
.spacer{flex:1}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--text);padding:12px 18px;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;min-height:44px;transition:.15s;text-decoration:none}
.btn:hover{filter:brightness(.97)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--store-primary);border-color:var(--store-primary);color:#fff}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-sm{padding:6px 12px;min-height:34px;font-size:.85rem;border-radius:9px}
.btn-block{width:100%}
.btn-lg{font-size:1.15rem;padding:16px 22px}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:.85rem;font-weight:700;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=date],input[type=color],select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd4dc;border-radius:10px;font-size:16px;font-family:inherit;background:#fff;color:var(--text)}
input[type=color]{padding:2px;height:44px}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--store-primary) 40%,#fff);border-color:var(--store-primary)}
.help{font-size:.8rem;color:var(--muted);margin-top:3px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:.95rem}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-warn{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.alert-ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-info{background:#eff6ff;color:#1e3a8a;border:1px solid #bfdbfe}
.auth-wrap{min-height:80vh;display:flex;align-items:center;justify-content:center}
.auth-card{width:100%;max-width:400px}
.auth-title{font-size:1.3rem;text-align:center}
.grid-stores{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.store-tile{display:flex;flex-direction:column;align-items:center;gap:8px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 10px;color:var(--text);border-top:5px solid var(--store-primary);text-align:center}
.store-initial{width:56px;height:56px;border-radius:50%;background:var(--store-primary);color:#fff;font-weight:900;font-size:1.4rem;display:flex;align-items:center;justify-content:center}
.store-logo{width:56px;height:56px;object-fit:contain}
.store-name{font-weight:700}
.grid-menu{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.menu-tile{display:flex;align-items:center;gap:8px;background:#fff;border-radius:12px;padding:12px 14px;box-shadow:var(--shadow);color:var(--text);font-weight:700;font-size:.95rem}
.ico{font-size:1.3rem}
.store-hero{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.store-hero-logo{width:56px;height:56px;object-fit:contain;border-radius:10px;background:#fff;padding:4px}
.grid-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:700px){.grid-actions{grid-template-columns:repeat(3,1fr)}}
.action-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:110px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);font-weight:700;font-size:1rem;text-align:center;padding:14px}
.action-tile .ico{font-size:2rem}
.action-tile.primary{background:var(--store-primary);color:#fff}
.thumb-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.thumb{display:block;background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);color:var(--text)}
.thumb img{width:100%;aspect-ratio:1;object-fit:cover}
.thumb{position:relative}
.thumb .rm{position:absolute;top:4px;right:4px;background:rgba(0,0,0,.55);color:#fff;border:none;border-radius:50%;width:22px;height:22px;line-height:20px;font-size:.8rem;padding:0;cursor:pointer;opacity:.75}
.thumb .rm:hover{opacity:1}
.thumb-cap{display:block;font-size:.75rem;padding:5px 8px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.color-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.color-chip{font-size:.85rem;display:flex;align-items:center;gap:8px}
.swatch{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);display:inline-block}
/* admin */
.admin-nav{display:flex;gap:4px;overflow-x:auto;padding:6px 0 12px;-webkit-overflow-scrolling:touch}
.admin-nav a{white-space:nowrap;padding:8px 14px;border-radius:999px;background:#fff;color:var(--muted);font-size:.9rem;font-weight:700;border:1px solid var(--line)}
.admin-nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border-radius:10px;overflow:hidden}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;white-space:nowrap}
.tbl th{background:#f9fafb;color:var(--muted);font-size:.8rem}
.tbl td.wrap{white-space:normal}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:700;background:#eef2ff;color:#3730a3}
.badge-ok{background:#dcfce7;color:#166534}.badge-ng{background:#fee2e2;color:#991b1b}.badge-warn{background:#fef3c7;color:#92400e}.badge-muted{background:#f3f4f6;color:#6b7280}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1fr;gap:0 16px}
@media(min-width:720px){.grid-2{grid-template-columns:1fr 1fr}}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:12px}
.tabs button{background:none;border:none;padding:10px 14px;font-weight:700;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;font-size:.95rem}
.tabs button.active{color:var(--primary);border-bottom-color:var(--primary)}
/* wizard */
.steps{display:flex;gap:6px;margin-bottom:14px;overflow-x:auto}
.step{flex:1;min-width:64px;text-align:center;font-size:.72rem;color:var(--muted);padding:6px 4px;border-radius:8px;background:#fff;border:1px solid var(--line);white-space:nowrap}
.step.active{background:var(--store-primary);color:#fff;border-color:var(--store-primary)}
.step.done{background:color-mix(in srgb,var(--store-primary) 15%,#fff);color:var(--store-primary)}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.choice{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:14px 8px;border:2px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-weight:700;text-align:center;min-height:64px;font-size:.95rem}
.choice small{font-weight:400;color:var(--muted);font-size:.75rem}
.choice.selected{border-color:var(--store-primary);background:color-mix(in srgb,var(--store-primary) 10%,#fff)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:9px 14px;border-radius:999px;border:2px solid var(--line);background:#fff;cursor:pointer;font-weight:700;font-size:.9rem;min-height:40px}
.chip.selected{border-color:var(--store-primary);background:var(--store-primary);color:#fff}
.dropzone{border:2px dashed #cbd5e1;border-radius:14px;padding:24px;text-align:center;background:#fff;cursor:pointer;color:var(--muted)}
.dropzone.drag{border-color:var(--store-primary);background:color-mix(in srgb,var(--store-primary) 6%,#fff)}
.preview-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-top:12px}
.preview-item{position:relative;border-radius:10px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.preview-item img{width:100%;aspect-ratio:1;object-fit:cover}
.preview-item .rm{position:absolute;top:4px;right:4px;background:rgba(0,0,0,.6);color:#fff;border:none;border-radius:50%;width:26px;height:26px;cursor:pointer}
.wizard-nav{display:flex;justify-content:space-between;gap:10px;margin-top:16px;position:sticky;bottom:0;background:linear-gradient(transparent,var(--bg) 30%);padding:12px 0 4px}
.progress{display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px;text-align:center}
.spinner{width:44px;height:44px;border:4px solid #e5e7eb;border-top-color:var(--store-primary);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.compare figure{margin:0;background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.compare figcaption{font-size:.8rem;text-align:center;padding:6px;color:var(--muted)}
.compare img{width:100%;object-fit:contain;background:#f3f4f6}
/* canvas editor */
.editor{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:900px){.editor{grid-template-columns:1fr 320px}}
.canvas-wrap{background:#e5e7eb;border-radius:12px;padding:8px;display:flex;justify-content:center;overflow:hidden;background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
.canvas-wrap canvas{max-width:100%;height:auto;touch-action:none;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.layer-list{display:flex;flex-direction:column;gap:6px}
.layer-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;font-size:.9rem}
.layer-item.active{border-color:var(--store-primary);background:color-mix(in srgb,var(--store-primary) 8%,#fff)}
.range-row{display:flex;align-items:center;gap:8px;font-size:.85rem;margin-bottom:8px}
.range-row input[type=range]{flex:1}
.mask-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
/* history */
.hist-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.hist-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.hist-card img{width:100%;aspect-ratio:1;object-fit:cover;background:#f3f4f6}
.hist-body{padding:8px 10px;font-size:.8rem;color:var(--muted)}
.hist-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:0 8px 8px}
.hist-actions .btn{min-width:0;padding:6px 2px;font-size:.72rem;min-height:32px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;writing-mode:horizontal-tb;border-radius:8px}
/* ボタンの色分け: 修正=紫 / パネル=青 / ヘブン=オレンジ / 保存=緑 / お気に入り=黄 / 削除=赤 */
.btn.act-edit{background:#f3ebff;border-color:#c9a8f5;color:#5b21b6}
.btn.act-panel{background:#e8f1ff;border-color:#9cc2f7;color:#1d4ed8}
.btn.act-heaven{background:#fff1e0;border-color:#f6b56b;color:#b45309}
.btn.act-save{background:#e7f8ee;border-color:#86d9a6;color:#15803d}
.btn.act-fav{background:#fff9db;border-color:#f2d667;color:#a16207}
.btn.act-del{background:#fdecec;border-color:#f3a6a6;color:#b91c1c}
.btn.act-base{background:#eef2f7;border-color:#c5d0de;color:#334155}
.fav{color:#f59e0b}
/* toast / modal */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#111827;color:#fff;padding:12px 18px;border-radius:12px;font-size:.9rem;z-index:100;max-width:90vw;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.toast.err{background:#991b1b}.toast.ok{background:#166534}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:90;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:#fff;border-radius:16px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:20px}
.modal h3{margin-top:0}
.err-box{background:#fef2f2;border:1px solid #fecaca;border-radius:12px;padding:14px;margin:10px 0}
.err-box h4{margin:0 0 6px;color:#991b1b}
.err-box .hint{font-size:.85rem;color:#7f1d1d}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.stat{background:#fff;border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.4rem}.stat span{font-size:.8rem;color:var(--muted)}
.bar{height:10px;background:#e5e7eb;border-radius:5px;overflow:hidden}.bar i{display:block;height:100%;background:var(--primary)}
.version-item{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;background:#fff}
.version-item pre{white-space:pre-wrap;font-family:inherit;font-size:.85rem;margin:6px 0;max-height:200px;overflow:auto;background:#f9fafb;padding:8px;border-radius:8px}