:root{
  --bg:#f4f8ff;
  --card:#ffffff;
  --text:#102033;
  --muted:#64748b;
  --line:#dbe7f5;
  --blue:#2563eb;
  --blue2:#1d4ed8;
  --sky:#eaf3ff;
  --green:#16a34a;
  --orange:#ea580c;
  --purple:#7c3aed;
  --danger:#dc2626;
  --shadow:0 14px 40px rgba(37,99,235,.10);
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#eef6ff 0%,#f8fbff 45%,#fff 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.7}
body.section-client{background:linear-gradient(180deg,#eef6ff 0%,#fff 100%)}
body.section-provider{background:linear-gradient(180deg,#effdf5 0%,#fff 100%)}
body.section-admin{background:linear-gradient(180deg,#faf5ff 0%,#fff 100%)}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 7vw;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand small{display:block;color:var(--muted);font-size:12px;font-weight:700;line-height:1.2}
.brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--blue),#60a5fa);color:#fff;font-size:13px;box-shadow:var(--shadow)}
.section-provider .brand-mark{background:linear-gradient(135deg,var(--green),#86efac)}
.section-admin .brand-mark{background:linear-gradient(135deg,var(--purple),#c084fc)}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a{padding:9px 13px;border-radius:999px;color:var(--muted);font-weight:700;font-size:14px}
.nav a.active,.nav a:hover{background:var(--sky);color:var(--blue2)}
.nav-provider a.active,.nav-provider a:hover{background:#dcfce7;color:#166534}
.nav-admin a.active,.nav-admin a:hover{background:#f3e8ff;color:#6d28d9}
.container{width:min(1080px,92vw);margin:28px auto 60px}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
.card,.item,.hero-panel,.role-card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}
.hero-panel{background:linear-gradient(135deg,#ffffff 0%,#eaf3ff 100%)}
.section-provider .hero-panel{background:linear-gradient(135deg,#ffffff 0%,#dcfce7 100%)}
.section-admin .hero-panel{background:linear-gradient(135deg,#ffffff 0%,#f3e8ff 100%)}
h1{font-size:clamp(28px,4vw,48px);line-height:1.18;margin:0 0 14px}
h2{font-size:26px;margin:0 0 14px}
h3{margin:0 0 8px}
p{margin:0 0 12px}
.eyebrow{font-weight:900;color:var(--blue);letter-spacing:.08em;text-transform:uppercase;font-size:13px}
.section-provider .eyebrow{color:var(--green)}
.section-admin .eyebrow{color:var(--purple)}
.muted,.meta{color:var(--muted);font-size:14px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn,button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;background:var(--blue);color:#fff;padding:11px 16px;font-weight:800;cursor:pointer;box-shadow:0 8px 20px rgba(37,99,235,.18)}
.section-provider .btn:not(.secondary):not(.danger),.section-provider button{background:var(--green);box-shadow:0 8px 20px rgba(22,163,74,.18)}
.section-admin .btn:not(.secondary):not(.danger),.section-admin button{background:var(--purple);box-shadow:0 8px 20px rgba(124,58,237,.18)}
.btn:hover,button:hover,.button:hover{filter:brightness(.95)}
.btn.secondary,.button.secondary{background:#eaf3ff;color:var(--blue2);box-shadow:none}
.section-provider .btn.secondary{background:#dcfce7;color:#166534}
.section-admin .btn.secondary{background:#f3e8ff;color:#6d28d9}
.btn.danger,.button.danger{background:#fee2e2;color:var(--danger);box-shadow:none}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.list{display:grid;gap:14px}
.item{padding:18px;border-radius:18px}
.meta{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.badge{display:inline-flex;background:#eff6ff;color:var(--blue2);border:1px solid #bfdbfe;border-radius:999px;padding:2px 10px;font-weight:700;font-size:12px}
.badge.ok{background:#ecfdf5;color:#047857;border-color:#bbf7d0}
form{display:grid;gap:12px}
label{display:grid;gap:6px;font-weight:700}
input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;background:#fff}
textarea{min-height:140px;resize:vertical}
.flash{border-radius:16px;padding:12px 14px;margin:0 0 14px;border:1px solid var(--line);background:#fff}
.flash.success{border-color:#bbf7d0;background:#ecfdf5;color:#166534}
.flash.error{border-color:#fecaca;background:#fef2f2;color:#991b1b}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f1f7ff;color:#1e3a8a}
.empty{padding:20px;border:1px dashed var(--line);border-radius:18px;color:var(--muted);background:#fff}
.message{max-width:760px;padding:14px;border-radius:16px;border:1px solid var(--line);background:#fff;margin-bottom:12px}
.message.me{margin-left:auto;background:#eff6ff}
.message img,.thumb{max-width:220px;border-radius:12px;border:1px solid var(--line);display:block;margin-top:8px}
.site-footer{text-align:center;color:var(--muted);padding:30px}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.role-grid.two-column{grid-template-columns:repeat(2,1fr)}
.role-card{display:block;position:relative;overflow:hidden;transition:.2s transform,.2s box-shadow}
.role-card:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(15,23,42,.14)}
.role-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;font-weight:900;font-size:24px;margin-bottom:14px;background:var(--blue)}
.provider-card .role-icon{background:var(--green)}
.admin-card .role-icon{background:var(--purple)}
.role-link{display:inline-block;margin-top:12px;font-weight:900;color:var(--blue2)}
.provider-card .role-link{color:#166534}
.admin-card .role-link{color:#6d28d9}
.check-list{padding-left:20px;margin:12px 0 0;color:var(--muted)}
.count{font-size:28px;font-weight:900;color:var(--blue2)}
.admin-login-wrap{display:grid;place-items:center;min-height:58vh}
.login-card{width:min(520px,100%)}
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .grid,.role-grid,.role-grid.two-column{grid-template-columns:1fr}
}
@media (max-width:780px){
  .site-header{padding:12px 4vw;align-items:flex-start;flex-direction:column}
  .nav{width:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
  .nav a{text-align:center;padding:8px 4px;font-size:12px}
  .container{width:min(94vw,1080px);margin-top:18px}
  .card,.item,.hero-panel,.role-card{padding:18px;border-radius:20px}
}