:root{
  --bg:#f7f8fc;--surface:#fff;
  --text:#0f172a;--text-m:#475569;--text-l:#94a3b8;
  --amber:#F0A500;--amber-glow:rgba(240,165,0,.12);
  --green:#16a34a;--red:#dc2626;--blue:#2563eb;
  --border:rgba(0,0,0,.09);
  /* Typography */
  --font:'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic','Meiryo',sans-serif;
  --font-en:'DM Sans',sans-serif;
  /* Spacing (8px base grid) */
  --space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;
  /* Border Radius */
  --radius-sm:4px;--radius-md:8px;--radius-lg:12px;
  /* Elevation (box-shadow) */
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow-md:0 4px 12px rgba(0,0,0,.1);
  --shadow-lg:0 12px 40px rgba(0,0,0,.18)
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  letter-spacing:.05em;
  font-feature-settings:"palt" 1,"kern" 1;
  overflow-wrap:anywhere;word-break:normal;line-break:strict;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale
}

/* Sidebar (position:fixed) */
.sidebar{width:220px;background:#0a0a0a;border-right:1px solid rgba(255,255,255,.08);padding:20px 0;position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column}
.sidebar-logo{padding:0 14px 28px;display:flex;align-items:center}
.sidebar-logo img{height:20px;max-width:160px;object-fit:contain}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 10px}
.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--radius-md);font-size:.8rem;color:rgba(255,255,255,.5);text-decoration:none;transition:all .15s;min-height:44px}
.sidebar-nav a:hover{color:rgba(255,255,255,.8);background:rgba(255,255,255,.05)}
.sidebar-nav a.active{color:var(--amber);background:var(--amber-glow)}
.sidebar-nav a .nav-icon{font-size:1rem;width:20px;text-align:center}
.sidebar-section-label{font-size:.6rem;font-weight:600;color:rgba(255,255,255,.25);text-transform:uppercase;letter-spacing:1px;padding:8px 14px 4px;margin-top:4px}
.sidebar-bottom{padding:16px 20px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-user{font-size:.72rem;color:rgba(255,255,255,.4)}
.sidebar-trial{font-size:.65rem;color:var(--amber);margin-top:6px}

/* Main area (sidebar分のmargin) */
.main-area{margin-left:220px;min-height:100vh}
.main{padding:24px;max-width:1400px}

/* Common */
.page-title{font-size:1.1rem;font-weight:700;margin-bottom:0}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.search{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.85rem;width:280px;font-family:var(--font);outline:none;min-height:44px}
.search:focus{border-color:var(--amber)}
.btn{background:var(--amber);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius-md);font-size:.82rem;font-weight:600;cursor:pointer;font-family:var(--font);min-height:44px}
.btn:hover{opacity:.9}
.btn-ghost{background:transparent;color:var(--text-m);border:1px solid var(--border);padding:10px 16px;border-radius:var(--radius-md);font-size:.78rem;cursor:pointer;font-family:var(--font);min-height:44px}
.btn-sm{padding:8px 16px;font-size:.72rem;border-radius:var(--radius-md);border:none;cursor:pointer;font-family:var(--font);font-weight:600;min-height:36px}
.btn-danger{background:var(--red);color:#fff}
.req{font-size:.65rem;font-weight:600;color:var(--red);margin-left:4px}
.opt{font-size:.65rem;font-weight:400;color:var(--text-l);margin-left:4px}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-card{background:var(--surface);border-radius:var(--radius-lg);padding:20px;border:1px solid var(--border)}
.kpi-label{font-size:.72rem;color:var(--text-l);margin-bottom:4px}
.kpi-value{font-family:var(--font-en);font-size:1.8rem;font-weight:800}
.kpi-sub{font-size:.7rem;color:var(--text-m);margin-top:2px}

/* Trial banner */
.trial-banner{background:linear-gradient(135deg,#F0A500 0%,#e09200 100%);color:#fff;border-radius:var(--radius-lg);padding:14px 24px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}
.trial-banner-text{font-size:.82rem;font-weight:500}
.trial-banner-text strong{font-weight:700}
.trial-banner .btn-trial{background:#fff;color:var(--amber);padding:10px 16px;border-radius:var(--radius-md);font-size:.75rem;font-weight:700;text-decoration:none;border:none;cursor:pointer;min-height:44px}
.trial-ended{background:linear-gradient(135deg,#475569 0%,#334155 100%)}

/* Table */
table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
th{font-size:.72rem;font-weight:600;color:var(--text-m);text-align:left;padding:10px 14px;background:#f9fafb;border-bottom:1px solid var(--border)}
td{font-size:.82rem;padding:10px 14px;border-bottom:1px solid #f3f4f6}
tr:hover td{background:#fafbfc}
tr{cursor:pointer}

/* Badges */
.badge{font-size:.68rem;padding:4px 10px;border-radius:var(--radius-sm);font-weight:500;white-space:nowrap;min-height:28px;display:inline-flex;align-items:center}
.badge-active{background:rgba(22,163,74,.1);color:var(--green)}
.badge-placed{background:rgba(37,99,235,.1);color:var(--blue)}
.badge-closed{background:rgba(0,0,0,.05);color:var(--text-l)}
.badge-amber{background:var(--amber-glow);color:var(--amber)}

/* Pipeline board */
.board{display:flex;gap:10px;overflow-x:auto;padding-bottom:12px;min-height:400px}
.board-col{min-width:200px;flex:0 0 200px;background:#f0f1f3;border-radius:var(--radius-lg);padding:10px}
.board-col-header{font-size:.68rem;font-weight:700;color:var(--text-m);margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;padding:0 4px}
.board-col-count{background:rgba(0,0,0,.08);border-radius:10px;padding:1px 7px;font-size:.62rem}
.board-card{background:var(--surface);border-radius:var(--radius-md);padding:10px 12px;margin-bottom:6px;border:1px solid var(--border);cursor:pointer;transition:box-shadow .15s;font-size:.78rem}
.board-card:hover{box-shadow:var(--shadow-sm)}
.board-card-name{font-weight:600;margin-bottom:2px}
.board-card-sub{color:var(--text-m);font-size:.7rem}
.board-card-date{color:var(--text-l);font-size:.62rem;margin-top:3px}

/* Section title */
.section-title{font-size:.95rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:9999}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-lg);padding:32px;width:90%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-title{font-size:1rem;font-weight:700;margin-bottom:16px}
.field{margin-bottom:12px}
.field label{display:block;font-size:.72rem;font-weight:600;color:var(--text-m);margin-bottom:3px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.84rem;font-family:var(--font);outline:none;min-height:44px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--amber)}
.field textarea{height:80px;resize:vertical}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

/* Filter tabs */
.filter-tabs{display:flex;gap:4px;margin-bottom:16px}
.filter-tab{padding:10px 16px;border-radius:var(--radius-md);font-size:.78rem;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text-m);min-height:44px;display:inline-flex;align-items:center}
.filter-tab.active{background:var(--amber);color:#fff;border-color:var(--amber)}

/* View toggle */
.view-toggle{display:flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}
.view-btn{padding:10px 16px;font-size:.78rem;cursor:pointer;background:var(--surface);color:var(--text-m);border:none;font-family:var(--font);font-weight:500;min-height:44px}
.view-btn.active{background:var(--amber);color:#fff}

/* CSV Import Modal */
.csv-modal{max-width:720px}
.csv-dropzone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s;background:#fafbfc}
.csv-dropzone.dragover{border-color:var(--amber);background:var(--amber-glow)}
.csv-dropzone-icon{font-size:2rem;margin-bottom:8px}
.csv-dropzone-text{font-size:.85rem;color:var(--text-m)}
.csv-dropzone-sub{font-size:.72rem;color:var(--text-l);margin-top:4px}
.csv-step{display:none}
.csv-step.active{display:block}
.csv-steps-indicator{display:flex;gap:8px;margin-bottom:20px}
.csv-step-dot{width:28px;height:28px;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:var(--text-l)}
.csv-step-dot.active{background:var(--amber);color:#fff}
.csv-step-dot.done{background:var(--green);color:#fff}
.csv-mapping-table{width:100%;border-collapse:collapse;margin:12px 0}
.csv-mapping-table th{font-size:.68rem;font-weight:600;color:var(--text-m);text-align:left;padding:6px 8px;border-bottom:1px solid var(--border)}
.csv-mapping-table td{padding:6px 8px;font-size:.78rem;border-bottom:1px solid #f3f4f6}
.csv-mapping-table select{padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.78rem;font-family:var(--font);width:100%;min-height:36px}
.csv-mapping-arrow{color:var(--text-l);text-align:center}
.csv-preview-table{width:100%;border-collapse:collapse;font-size:.72rem;margin:12px 0;overflow-x:auto;display:block}
.csv-preview-table th{background:#f0f1f3;padding:4px 8px;font-weight:600;white-space:nowrap}
.csv-preview-table td{padding:4px 8px;white-space:nowrap;max-width:150px;overflow:hidden;text-overflow:ellipsis}
.csv-result{padding:20px;text-align:center}
.csv-result-icon{font-size:2.5rem;margin-bottom:8px}
.csv-result-text{font-size:.95rem;font-weight:600;margin-bottom:8px}
.csv-result-detail{font-size:.78rem;color:var(--text-m)}
.csv-errors{max-height:150px;overflow-y:auto;text-align:left;margin-top:12px;background:#fef2f2;border-radius:var(--radius-md);padding:12px;font-size:.75rem;color:var(--red)}
.btn-icon{display:inline-flex;align-items:center;gap:6px}
.toolbar-actions{display:flex;gap:8px;align-items:center}

/* Tags */
.tag{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-sm);font-size:.68rem;font-weight:500;cursor:default}
.tag-gray{background:#f0f1f3;color:var(--text-m)}
.tag-blue{background:rgba(37,99,235,.1);color:#2563eb}
.tag-green{background:rgba(22,163,74,.1);color:#16a34a}
.tag-amber{background:var(--amber-glow);color:var(--amber)}
.tag-red{background:rgba(220,38,38,.07);color:#dc2626}
.tag-purple{background:rgba(139,92,246,.1);color:#8b5cf6}
.tag-remove{cursor:pointer;opacity:.5;font-size:.6rem}
.tag-remove:hover{opacity:1}
.tags-wrap{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.tag-add-btn{font-size:.68rem;color:var(--amber);cursor:pointer;padding:4px 8px;border:1px dashed var(--amber);border-radius:var(--radius-sm);min-height:28px;display:inline-flex;align-items:center}
.tag-add-btn:hover{background:var(--amber-glow)}

.hidden{display:none}
.empty{text-align:center;color:var(--text-l);padding:48px}

@media(max-width:768px){
  .sidebar{width:60px}
  .sidebar-logo img{height:18px;max-width:40px}
  .sidebar-nav a span:not(.nav-icon){display:none}
  .sidebar-nav a{justify-content:center;padding:10px}
  .sidebar-bottom{display:none}
  .main-area{margin-left:60px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .board-col{min-width:170px;flex:0 0 170px}
}

/* ── カスタムダイアログ ──────────────────── */
.custom-dialog-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:10000;animation:cdFadeIn .15s}
@keyframes cdFadeIn{from{opacity:0}to{opacity:1}}
.custom-dialog{background:#fff;border-radius:var(--radius-lg);padding:24px 28px;max-width:400px;width:90%;box-shadow:var(--shadow-lg);animation:cdSlideUp .2s}
@keyframes cdSlideUp{from{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}
.custom-dialog-title{font-size:.95rem;font-weight:700;margin-bottom:12px;color:var(--text)}
.custom-dialog-body{font-size:.85rem;color:var(--text-m);line-height:1.6;margin-bottom:20px;white-space:pre-line}
.custom-dialog-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.88rem;font-family:var(--font);outline:none;margin-top:8px;min-height:44px}
.custom-dialog-input:focus{border-color:var(--amber)}
.custom-dialog-actions{display:flex;gap:8px;justify-content:flex-end}
.custom-dialog-actions button{padding:10px 20px;border-radius:var(--radius-md);font-size:.85rem;font-weight:600;cursor:pointer;font-family:var(--font);transition:opacity .15s;min-height:44px}
.custom-dialog-actions .cd-cancel{background:#fff;border:1px solid var(--border);color:var(--text-m)}
.custom-dialog-actions .cd-ok{background:var(--amber);border:none;color:#fff}
.custom-dialog-actions .cd-ok.cd-danger{background:var(--red)}