:root{
  --ink:#102a43; --muted:#5f7183; --line:#e2e8f0; --paper:#fff; --bg:#f4f8f6; --soft:#eef5f2;
  --green:#14796d; --green-dark:#0e5f56; --green-soft:#d7ece7; --amber:#f6c36b; --navy:#16324f;
  --danger:#d64545; --ok:#1c8a5b; --radius:14px; --shadow:0 2px 10px rgba(16,42,67,.06);
  --tap:46px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
a{color:var(--green)}
h1,h2,h3{margin:0 0 .4em}
h1{font-size:1.25rem}h2{font-size:1.05rem}h3{font-size:.95rem}
.hidden{display:none!important}

/* ---- header ---- */
.app-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:10px 14px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700}
.brand .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;display:grid;place-items:center;font-size:15px}
.app-header .sub{color:var(--muted);font-size:.78rem;font-weight:500}
.app-header .spacer{flex:1}
.ym-picker{border:1px solid var(--line);border-radius:10px;padding:6px 8px;font-size:.9rem;background:#fff}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:10px;min-width:var(--tap);height:38px;display:grid;place-items:center;cursor:pointer}

/* ---- layout ---- */
.layout{display:flex;min-height:calc(100vh - 59px)}
.sidebar{width:230px;flex:none;background:#fff;border-right:1px solid var(--line);padding:12px 8px;overflow:auto}
.nav-group{margin-bottom:14px}
.nav-group .g-title{font-size:.72rem;color:var(--muted);font-weight:700;padding:4px 10px;letter-spacing:.03em}
.nav-item{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:10px;cursor:pointer;color:var(--ink);font-size:.92rem;text-decoration:none}
.nav-item:hover{background:var(--soft)}
.nav-item.active{background:var(--green-soft);color:var(--green-dark);font-weight:700}
.nav-item .ico{width:20px;text-align:center}
.main{flex:1;min-width:0;padding:16px;max-width:1100px}
.page-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}

/* ---- bottom nav (mobile) ---- */
.bottom-nav{display:none}

/* ---- cards / kpi ---- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);margin-bottom:14px}
.card h2{display:flex;align-items:center;gap:6px}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.kpi{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px;box-shadow:var(--shadow)}
.kpi .label{color:var(--muted);font-size:.78rem}
.kpi .value{font-size:1.45rem;font-weight:800;margin-top:3px;letter-spacing:-.01em}
.kpi .unit{font-size:.8rem;color:var(--muted);font-weight:600;margin-left:2px}
.kpi .sub{font-size:.75rem;color:var(--muted);margin-top:2px}
.pos{color:var(--ok)}.neg{color:var(--danger)}

/* ---- table ---- */
.tbl{width:100%;border-collapse:collapse;font-size:.88rem}
.tbl th,.tbl td{padding:8px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tbl th{color:var(--muted);font-weight:700;font-size:.78rem;background:var(--soft)}
.tbl td.num,.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
.tbl tr:last-child td{border-bottom:none}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---- forms ---- */
label.fld{display:block;margin-bottom:10px}
label.fld .lbl{display:block;font-size:.8rem;color:var(--muted);margin-bottom:4px;font-weight:600}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:16px;background:#fff;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:120px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:11px;padding:11px 16px;
  font-size:.95rem;font-weight:700;cursor:pointer;background:var(--green);color:#fff;min-height:var(--tap)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;color:var(--green-dark);border:1px solid var(--green)}
.btn.gray{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.amber{background:var(--amber);color:#5a3d00}
.btn.danger{background:#fff;color:var(--danger);border:1px solid var(--danger)}
.btn.sm{padding:7px 11px;font-size:.84rem;min-height:36px;border-radius:9px}
.btn.block{width:100%}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.74rem;font-weight:700}
.badge.green{background:var(--green-soft);color:var(--green-dark)}
.badge.amber{background:#fdecc8;color:#7a5200}
.badge.gray{background:#eef1f5;color:#5f7183}
.badge.red{background:#fbe0e0;color:#a02020}
.muted{color:var(--muted)}
.note{font-size:.8rem;color:var(--muted);background:var(--soft);border-radius:10px;padding:9px 11px;margin:8px 0}
.warn{background:#fff7e6;border:1px solid #f4d58a;color:#7a5200;border-radius:10px;padding:9px 11px;font-size:.82rem;margin:8px 0}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,var(--green-soft),var(--bg));padding:20px}
.login-card{background:#fff;border-radius:18px;box-shadow:0 10px 40px rgba(16,42,67,.12);padding:28px 24px;width:100%;max-width:340px;text-align:center}
.login-card .mark{width:54px;height:54px;border-radius:15px;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;display:grid;place-items:center;font-size:26px;margin:0 auto 12px}
.pass-input{font-size:24px;letter-spacing:.4em;text-align:center}
.spin{display:inline-block;width:16px;height:16px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:11px;font-size:.88rem;z-index:100;box-shadow:0 6px 20px rgba(0,0,0,.2);opacity:0;transition:opacity .2s}
.toast.show{opacity:1}
.bar{height:8px;border-radius:6px;background:var(--soft);overflow:hidden}
.bar>span{display:block;height:100%;background:var(--green)}

/* ---- responsive: smartphone ---- */
@media(max-width:760px){
  .sidebar{display:none}
  .main{padding:12px 12px 84px;max-width:100%}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .g2{grid-template-columns:1fr}
  .kpi .value{font-size:1.3rem}
  .app-header .sub{display:none}
  .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);
    z-index:40;padding:5px 4px env(safe-area-inset-bottom);justify-content:space-around}
  .bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 2px;color:var(--muted);
    font-size:.66rem;text-decoration:none;border-radius:10px}
  .bottom-nav a.active{color:var(--green-dark);background:var(--green-soft)}
  .bottom-nav a .ico{font-size:19px}
}
@media print{.sidebar,.bottom-nav,.app-header,.no-print{display:none!important}.main{padding:0}}