:root{color-scheme:light;--ink:#17201d;--muted:#5d6964;--line:#d8dfdc;--line-strong:#bcc8c3;--surface:#ffffff;--surface-soft:#f5f7f6;--surface-accent:#eef5f2;--primary:#17624c;--primary-hover:#104c3b;--danger:#a3342f;--danger-hover:#842823;--warning-bg:#fff7df;--warning-ink:#70520b;--success-bg:#e8f5ee;--success-ink:#17573f;--danger-bg:#fff0ef;--shadow:0 8px 24px rgba(23,32,29,0.08)}*{box-sizing:border-box}html{min-width:320px}body,html{background:var(--surface-soft)}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif;font-size:16px;line-height:1.65;letter-spacing:0}a{color:var(--primary);text-underline-offset:3px;overflow-wrap:anywhere}a:hover{color:var(--primary-hover)}:focus-visible{outline:3px solid rgba(23,98,76,.28);outline-offset:2px}h1,h2,h3,ol,p,ul{margin-bottom:0}h1{margin-top:0;font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.25}h2{font-size:1.3rem;line-height:1.35}h3{font-size:1.05rem;line-height:1.4}main{width:100%;margin-inline:auto;min-height:calc(100vh - 40px);background:var(--surface)}.button,button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--primary);border-radius:6px;padding:9px 16px;background:var(--primary);color:#fff;font:inherit;font-weight:700;line-height:1.35;text-align:center;text-decoration:none;cursor:pointer}.button:hover,button:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}button:disabled{opacity:.58;cursor:not-allowed}.button-secondary,button.button-secondary{border-color:var(--line-strong);background:var(--surface);color:var(--ink)}.button-secondary:hover,button.button-secondary:hover{border-color:var(--ink);background:var(--surface-soft);color:var(--ink)}.button-danger,button.button-danger{border-color:var(--danger);background:var(--surface);color:var(--danger)}.button-danger:hover,button.button-danger:hover{background:var(--danger-hover);color:#fff}input,select,textarea{max-width:100%;border:1px solid var(--line-strong);border-radius:6px;padding:10px 12px;background:var(--surface);color:var(--ink);font:inherit;line-height:1.45}input:not([type=checkbox]):not([type=radio]):not([type=file]),select,textarea{width:100%}input[type=file]{width:100%;background:var(--surface-soft)}input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--primary);vertical-align:middle}textarea{resize:vertical}label{font-weight:650}small{color:var(--muted)}table{max-width:100%}.page-shell{max-width:960px!important;padding:40px 32px 64px!important}.page-shell--narrow{max-width:720px!important}.page-shell--wide{max-width:1180px!important}.page-heading{padding-bottom:20px;border-bottom:1px solid var(--line)}.page-heading p{max-width:680px;margin-top:10px;color:var(--muted)}.section-block{margin-top:32px!important}.panel{background:var(--surface)}.panel,.panel-soft{padding:20px;border:1px solid var(--line);border-radius:8px}.panel-soft{background:var(--surface-soft)}.notice{padding:16px;border-left:4px solid var(--primary);border-radius:0 6px 6px 0;background:var(--surface-accent)}.alert-error{color:var(--danger)!important;font-weight:650}.alert-success{color:var(--success-ink)!important;font-weight:650}.muted{color:var(--muted)}.action-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}.form-stack{display:grid;grid-gap:18px;gap:18px;margin-top:20px}.form-field{display:grid!important;grid-gap:6px;gap:6px;margin-top:0!important}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.required-mark{margin-left:6px;color:var(--danger);font-size:.75rem;font-weight:700}.field-error{display:block;margin-top:2px;color:var(--danger);font-size:.85rem}.status-badge{display:inline-flex;align-items:center;min-height:26px;padding:2px 9px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface-soft);color:var(--ink);font-size:.82rem;font-weight:700;line-height:1.2;white-space:nowrap}.status-badge--success{border-color:#a8cfbd;background:var(--success-bg);color:var(--success-ink)}.status-badge--warning{border-color:#ead497;background:var(--warning-bg);color:var(--warning-ink)}.status-badge--danger{border-color:#e5aaa6;background:var(--danger-bg);color:var(--danger)}.home-shell{max-width:1080px!important;padding:0!important}.home-hero{min-height:62vh;display:flex;flex-direction:column;justify-content:center;padding:64px clamp(24px,7vw,84px);border-bottom:1px solid var(--line);background:var(--surface)}.home-hero__copy{max-width:620px;margin-top:18px;color:var(--muted);font-size:1.08rem}.home-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px}.home-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:0;gap:0;padding:28px clamp(24px,7vw,84px)}.home-notes p{margin:0;padding:8px 20px;border-left:1px solid var(--line);color:var(--muted)}.home-notes p:first-child{padding-left:0;border-left:0}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));grid-gap:20px;gap:20px;margin-top:28px}.product-card{min-width:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}.product-card__image .product-thumbnail{width:100%;height:220px;border:0;border-bottom:1px solid var(--line)}.product-card__body{padding:16px}.product-card__title{margin:0;font-size:1.05rem;line-height:1.45;overflow-wrap:anywhere}.product-card__meta{margin-top:8px;color:var(--muted);font-size:.82rem}.product-price{margin-top:10px;color:var(--ink);font-size:1.2rem;font-weight:800}.product-thumbnail{width:96px;height:72px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface-soft);overflow:hidden}.product-thumbnail img{width:100%;height:100%;object-fit:contain}.product-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:12px;gap:12px;margin-top:14px}.product-gallery__frame{min-height:220px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:var(--surface-soft);overflow:hidden}.product-gallery__frame img{width:100%;height:280px;object-fit:contain}.detail-summary{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);grid-gap:28px;gap:28px;align-items:start;margin-top:28px}.detail-summary__aside{position:-webkit-sticky;position:sticky;top:20px}.info-list{margin:12px 0 0;padding:0;list-style:none}.info-list li{display:grid;grid-template-columns:minmax(110px,.38fr) minmax(0,1fr);grid-gap:16px;gap:16px;padding:9px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.info-list li:last-child{border-bottom:0}.info-list--compact li{grid-template-columns:minmax(80px,.3fr) minmax(0,1fr)}.empty-state{margin-top:24px;padding:28px;border:1px dashed var(--line-strong);border-radius:8px;text-align:center;color:var(--muted)}.table-wrap{max-width:100%;overflow-x:auto;margin-top:24px;border:1px solid var(--line);border-radius:8px}.data-table{width:100%!important;margin-top:0!important;border-collapse:collapse;background:var(--surface)}.data-table th{padding:12px!important;border-bottom:1px solid var(--line-strong)!important;background:var(--surface-soft);color:var(--muted);font-size:.82rem;text-align:left;white-space:nowrap}.data-table td{padding:12px!important;border-bottom:1px solid var(--line)!important;vertical-align:middle;overflow-wrap:anywhere}.data-table tr:last-child td{border-bottom:0!important}.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px!important}.filter-bar select{width:auto;min-width:160px}.seller-nav-shell{max-width:1180px!important;margin-inline:auto;padding:16px 32px 0!important}.seller-nav{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.seller-nav:before{content:"Seller";margin:0 8px;color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase}.seller-nav a{padding:8px 10px;border-radius:5px;color:var(--ink);font-size:.9rem;font-weight:650;text-decoration:none}.seller-nav a:hover{background:var(--surface-accent);color:var(--primary-hover)}.seller-nav form{margin:0 0 0 auto!important}.seller-nav button{min-height:38px;padding:7px 11px;border-color:var(--line-strong);background:var(--surface);color:var(--ink);font-size:.9rem}.dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px;margin-top:16px}.dashboard-card{padding:20px!important;border:1px solid var(--line)!important;border-radius:8px!important;background:var(--surface)}.dashboard-card ul{padding-left:20px}.recent-order-list{margin-top:12px;padding:0;list-style:none}.recent-order-list li{display:grid;grid-template-columns:minmax(90px,.45fr) minmax(0,1fr) auto minmax(140px,auto);grid-gap:12px;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:.88rem}.footer-links a{color:var(--muted)}.legal-page{max-width:840px!important}.legal-page>ol,.legal-page>p,.legal-page>ul{max-width:74ch}.legal-page h2{margin-top:34px!important;padding-top:4px}.legal-page li+li{margin-top:6px}.legal-page table{display:block;overflow-x:auto;border:1px solid var(--line);border-radius:8px}.login-shell{min-height:100vh;display:grid;align-content:center;max-width:520px!important}@media (max-width:760px){.page-shell,.seller-nav-shell{padding-left:16px!important;padding-right:16px!important}.page-shell{padding-top:28px!important;padding-bottom:48px!important}.home-hero{min-height:58vh;padding:48px 20px}.home-hero__actions{align-items:stretch;flex-direction:column}.home-hero__actions .button{width:100%}.home-notes{grid-template-columns:1fr;padding:20px}.home-notes p,.home-notes p:first-child{padding:12px 0;border-left:0;border-top:1px solid var(--line)}.home-notes p:first-child{border-top:0}.dashboard-grid,.detail-summary,.form-grid{grid-template-columns:1fr}.detail-summary__aside{position:static}.product-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.product-gallery__frame{min-height:150px}.product-gallery__frame img{height:180px}.seller-nav:before{width:100%;margin-bottom:4px}.seller-nav form{margin-left:0!important}.recent-order-list li{grid-template-columns:1fr;gap:4px}.responsive-table{min-width:0!important}.responsive-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.responsive-table,.responsive-table tbody,.responsive-table td,.responsive-table tr{display:block;width:100%}.responsive-table tbody{padding:10px}.responsive-table tr{margin-bottom:12px;padding:8px 12px;border:1px solid var(--line);border-radius:6px}.responsive-table tr:last-child{margin-bottom:0}.responsive-table td{display:grid;grid-template-columns:minmax(92px,.35fr) minmax(0,1fr);grid-gap:12px;gap:12px;align-items:center;padding:8px 0!important;border-bottom:1px solid var(--line)!important}.responsive-table td:before{content:attr(data-label);color:var(--muted);font-size:.78rem;font-weight:700}.responsive-table td:last-child{border-bottom:0!important}.info-list li,.info-list--compact li{grid-template-columns:1fr;gap:2px}.legal-page th{width:40%!important}}@media (max-width:420px){.product-gallery,.product-grid{grid-template-columns:1fr}.seller-nav a,.seller-nav form{flex-grow:1;flex-shrink:1;flex-basis:calc(50% - 4px)}.seller-nav button{width:100%}.action-row{align-items:stretch;flex-direction:column}.action-row .button,.action-row button{width:100%}}