:root{color-scheme:light;--ink: #17211d;--muted: #65716b;--line: #d9e0dc;--surface: #ffffff;--surface-alt: #f5f7f4;--forest: #1f5b45;--forest-dark: #12382b;--amber: #b87518;--river: #2b6478;--danger: #b83a37;--shadow: 0 16px 34px rgba(23, 33, 29, .08);font-family:Inter,Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--surface-alt);letter-spacing:0}a{color:inherit}button,input,select,textarea{font:inherit}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px clamp(16px,4vw,42px);border-bottom:1px solid var(--line);background:#ffffffeb;backdrop-filter:blur(12px)}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}.brand-mark{display:grid;width:38px;height:38px;place-items:center;border-radius:8px;color:#fff;background:var(--forest);font-weight:800}.brand strong,.brand small{display:block;line-height:1.2}.brand small{margin-top:2px;color:var(--muted);font-size:.78rem}.nav-links{display:flex;flex-wrap:wrap;gap:8px}.nav-links a{padding:8px 10px;border-radius:8px;color:var(--muted);font-size:.92rem;text-decoration:none}.nav-links a:hover{color:var(--forest-dark);background:#e7eee9}.app-shell{width:min(1180px,calc(100% - 32px));margin:26px auto 48px}.split-shell{width:min(720px,calc(100% - 32px))}.tool-panel,.data-panel{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.tool-panel,.data-panel{padding:clamp(18px,3vw,28px)}.panel-heading{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:20px}.panel-heading h1,.panel-heading h2{margin:0;font-size:clamp(1.55rem,3vw,2.2rem);line-height:1.2}.panel-heading p{margin:8px 0 0;color:var(--muted)}.badge{flex:0 0 auto;padding:7px 10px;border:1px solid #d3b06f;border-radius:999px;color:#70470d;background:#fff6e8;font-size:.82rem;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1 / -1}label{color:#29362f;font-weight:700;font-size:.92rem}input,select,textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid #cbd5cf;border-radius:8px;color:var(--ink);background:#fff}input:focus,select:focus,textarea:focus{outline:3px solid rgba(43,100,120,.18);border-color:var(--river)}.check-row{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#f8faf8}.check-row input{width:18px;min-height:18px;margin-top:3px}.button-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:20px}.button{min-height:44px;padding:10px 16px;border:1px solid transparent;border-radius:8px;color:#fff;background:var(--forest);font-weight:800;cursor:pointer}.button:hover{background:var(--forest-dark)}.button.secondary{color:var(--forest-dark);border-color:#b8cbc1;background:#edf4f0}.button.danger{background:var(--danger)}.status{margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:#fbfcfb}.status.success{color:#134d36;border-color:#a8d7c1;background:#edf8f2}.status.error{color:#7d1e1b;border-color:#efbbb9;background:#fff0ef}.summary-box{display:none;margin-top:18px;padding:16px;border:1px solid #cfd9d3;border-radius:8px;background:#fbfcfb}.summary-box.is-visible{display:block}.summary-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;margin:0}.summary-list div{display:grid;gap:2px}.summary-list dt{color:var(--muted);font-size:.82rem}.summary-list dd{margin:0;font-weight:800}.availability-line{color:var(--muted);font-size:.92rem}.admin-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:20px}.side-nav{display:grid;gap:8px;align-content:start}.side-nav a{padding:10px 12px;border-radius:8px;color:var(--muted);text-decoration:none}.side-nav a:hover,.side-nav a[aria-current=page]{color:var(--forest-dark);background:#e7eee9}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:#34443b;background:#f0f4f1;font-size:.86rem}td{color:#26352d}.settings-stack{display:grid;gap:18px}.compact-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:end}@media(max-width:860px){.admin-grid,.form-grid,.summary-list,.compact-form{grid-template-columns:1fr}.site-header{align-items:flex-start;flex-direction:column}}