:root{--ink:#1f2937;--muted:#64748b;--brand:#1f2937;--blue:#2563eb;--green:#16a34a;--danger:#dc2626;--surface:#fff;--soft:#f8fafc;--line:#dbe4f0;--radius:12px}
*{box-sizing:border-box}
html{overflow-x:hidden}
body{margin:0;font-family:Arial,"Noto Sans JP",sans-serif;background:#f3f6fa;color:var(--ink);line-height:1.5}
a{color:#1556a8}
.site-header{background:var(--brand);color:#fff;padding:14px clamp(16px,5vw,64px);display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:0;z-index:20;box-shadow:0 2px 10px #0003}
.header-main{display:flex;align-items:center;gap:12px}.brand{font-size:22px;font-weight:700;white-space:nowrap}
.nav-toggle{display:none;background:transparent;padding:6px 8px;font-size:24px}
.main-nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.main-nav a{color:#fff;text-decoration:none}
main{max-width:1400px;margin:28px auto;padding:0 clamp(14px,3vw,28px)}h1{margin-bottom:8px}h2{margin-top:0}
.card{background:var(--surface);border-radius:var(--radius);padding:clamp(16px,2vw,24px);margin:18px 0;box-shadow:0 3px 14px #00000012;min-width:0}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
label{display:block;font-weight:600;margin:10px 0}input,select,textarea{width:100%;min-width:0;padding:11px;border:1px solid #cbd5e1;border-radius:7px;margin-top:6px;background:#fff;font:inherit}textarea{min-height:90px;resize:vertical}
button,.btn{display:inline-block;border:0;border-radius:7px;background:var(--blue);color:#fff;padding:11px 16px;cursor:pointer;text-decoration:none;font-weight:600;min-height:44px}button:hover,.btn:hover{opacity:.9}.danger{background:var(--danger)}.green{background:var(--green)}.orange{background:#ea8b00}.small{padding:7px 10px;min-height:36px;font-size:13px}.inline{display:inline}
.rowform{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0;padding:12px;background:var(--soft);border-radius:8px}.rowform input{width:150px;margin:0}
.clock-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.clock-buttons form{margin:0}.clock-buttons button{min-width:120px}
.alert{padding:13px 16px;border-radius:8px;margin-bottom:18px}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}
.table-wrap{width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top}th{background:#f1f5f9}
.login{max-width:420px;margin:60px auto}.login button{width:100%;margin-top:10px}.demo{margin-top:25px;padding:14px;background:var(--soft);border-radius:8px;font-size:14px}
.error-page{max-width:620px;margin:60px auto;text-align:center}.error-page .btn{margin-top:12px}
.todaybox,.formula{padding:15px;background:#f1f5f9;border-radius:8px;margin-top:15px}.muted{color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.stats div{padding:15px;background:var(--soft);border-radius:8px}.stats span,.stats b{display:block}.stats b{font-size:20px;margin-top:8px}
.leave-summary{margin:10px 0 14px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#f7f9fc}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:6px 14px;margin-top:8px}.leave-summary strong{color:#1f3c88}
.sync-status{position:fixed;right:14px;bottom:14px;padding:8px 12px;border-radius:999px;background:#dbeafe;color:#1e3a8a;font-size:13px;z-index:30}.sync-status.offline{background:#fef3c7;color:#92400e}.sync-status.online{background:#dcfce7;color:#166534}
.schedule-scroll{overflow-x:auto}.schedule{min-width:1600px;table-layout:fixed}.schedule th,.schedule td{padding:5px 4px;text-align:center;font-size:11px}.schedule th:first-child{width:150px;text-align:left;position:sticky;left:0;background:#f1f5f9;z-index:1}.schedule th:nth-child(2),.schedule th:nth-child(3){width:55px}.schedule td.work{background:#60a5fa;color:#075985;font-weight:bold}.schedule td.rest{background:#fbbf24;color:#92400e;font-weight:bold}.holiday{color:#dc2626}
.sales-form{margin:12px 8px 0 0}.sales-form select,.sales-form input{width:auto;margin:0}.shop-tabs{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.shop-tabs span{font-weight:600}.schedule-note{display:inline-block;min-width:180px;padding:12px 20px;margin:8px 8px 0 0;text-align:center;border:1px solid #94a3b8;border-radius:8px}.schedule-note-row{min-height:72px;padding:8px;background:var(--soft);border:1px solid #cbd5e1}.schedule-note-row>span{margin-left:15px;color:var(--muted)}
.owner-page{min-width:0}.owner-mobile-schedule{display:none}.owner-mobile-day{border-top:1px solid var(--line);padding-top:10px;margin-top:12px}.owner-mobile-day h3{margin:0 0 8px}.owner-mobile-shift{padding:12px;border:1px solid var(--line);border-radius:9px;background:#fff;margin:8px 0;overflow-wrap:anywhere}.owner-mobile-shift strong{display:block;font-size:17px;margin-bottom:4px}.owner-mobile-work{margin:8px 0;padding:7px 8px;background:#eff6ff;color:#1e3a8a;font-weight:700;border-radius:6px}
.mobile-only{display:none}.mobile-shift-card{display:none}.request-card{display:flex;flex-direction:column;gap:4px;padding:14px;border:1px solid var(--line);border-radius:10px;background:#fff}.request-cards{display:none}

@media (max-width:1024px){
  main{margin-top:20px}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.card{margin:14px 0}
}
@media (max-width:700px){
  body{font-size:15px}.site-header{padding:10px 14px;display:block}.header-main{justify-content:flex-start}.nav-toggle{display:inline-block}.main-nav{display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 0}.main-nav.is-open{display:flex}.main-nav span,.main-nav a{padding:12px 8px;border-bottom:1px solid #ffffff26}.brand{font-size:19px}
  main{padding:0 12px;margin-top:14px}h1{font-size:1.5rem}h2{font-size:1.2rem}.grid,.formgrid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stats b{font-size:17px}
  .card{padding:15px;border-radius:10px}.rowform{align-items:stretch;flex-direction:column}.rowform input{width:100%}.rowform .inline{width:100%}
  button,.btn{width:100%;text-align:center}.inline button,.inline.btn,.small{width:auto}.clock-buttons{display:grid;grid-template-columns:1fr 1fr}.clock-buttons form,.clock-buttons button{width:100%;min-width:0}
  .table-wrap,table{font-size:13px}table{display:block;overflow-x:auto;white-space:nowrap}th,td{padding:8px}
  .schedule-scroll{display:none}.schedule-note-row{font-size:13px}.schedule-note{min-width:0;width:100%;margin:6px 0}.sales-form{display:grid;grid-template-columns:1fr;margin:10px 0}.sales-form select,.sales-form input{width:100%;margin:0}.owner-page{width:100%;overflow:hidden}.owner-page .card{overflow:hidden}.owner-mobile-schedule{display:block}.owner-mobile-schedule h2{margin-bottom:6px}
  .mobile-only{display:block}.mobile-shift-editor{background:#eef6ff;border:2px solid #bfdbfe}.mobile-editor-toolbar{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mobile-shift-card[hidden]{display:none}.mobile-shift-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0}.mobile-shift-card h3{display:flex;justify-content:space-between;margin-top:0}.mobile-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-shift-card .btn{margin-top:8px}
  .request-cards{display:grid;gap:8px}.request-cards+.card{display:none}
  .item{padding:12px 0;border-bottom:1px solid var(--line)}.sync-status{bottom:8px;right:8px}
}
@media (max-width:400px){.stats,.mobile-editor-toolbar,.mobile-form-grid{grid-template-columns:1fr}.clock-buttons{grid-template-columns:1fr}.brand{font-size:17px}}
@media print{.site-header,.main-nav,.nav-toggle,.sync-status,.btn,button{display:none!important}body{background:#fff}.card{box-shadow:none} }