:root{--bg:#f6f7f9;--card:#fff;--line:#d9e1e8;--text:#1f2937;--muted:#6b7280;--blue:#1e63b6;--blue2:#174f91;--danger:#b42318;--success:#10723a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.6}
.topbar{background:#0f4f92;color:#fff;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a{color:#fff;text-decoration:none;padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.12)}
.nav a:hover{background:rgba(255,255,255,.24)}
.container{max-width:1180px;margin:0 auto;padding:24px}
h1{font-size:26px;margin:0 0 18px}
h2{font-size:18px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:0 0 18px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.link-card{text-decoration:none;color:inherit}
.link-card:hover{border-color:#8bb8e8}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.table th{background:#eef5fb;font-weight:700}
.table.compact th{width:220px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
form label{display:flex;flex-direction:column;font-weight:700;gap:6px;margin:0 0 14px}
label.check{flex-direction:row;align-items:center;font-weight:500}
input,select,textarea{font:inherit;padding:9px 10px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #c7ddff;border-color:#4d8de0}
.form-actions{grid-column:1/-1;display:flex;gap:10px;align-items:center;margin-top:4px}
form>.button{margin-top:4px}
.button{display:inline-block;border:1px solid #cbd5e1;background:#fff;color:#111827;text-decoration:none;border-radius:8px;padding:8px 12px;cursor:pointer;font-weight:700}
.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.button.primary:hover{background:var(--blue2)}
.button.small{padding:5px 8px;font-size:13px}
.flash{padding:12px 14px;border-radius:10px;margin:0 0 16px;border:1px solid}
.flash.success{background:#ecfdf3;border-color:#bbf7d0;color:#065f46}
.flash.danger{background:#fff1f0;border-color:#fecdca;color:#912018}
.danger-text{color:var(--danger);font-weight:700}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-weight:700}
.badge.ok{background:#dcfce7;color:#166534}
.badge.ng{background:#fee2e2;color:#991b1b}
.login-card{max-width:460px}
.footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}
@media(max-width:720px){.container{padding:16px}.topbar{align-items:flex-start}.table{font-size:14px}.table th,.table td{padding:7px}.form-grid{grid-template-columns:1fr}}

/* Mobile admin layout fix: keep forms inside the smartphone viewport. */
.form-grid{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
.card,.container,form label{min-width:0}
input,select,textarea{max-width:100%;min-width:0}

@media(max-width:720px){
  html,body{max-width:100%;overflow-x:hidden}
  .container{width:100%;max-width:100%;padding:16px;overflow-x:hidden}
  .topbar{padding:16px;align-items:flex-start}
  .brand{font-size:17px;line-height:1.4}
  .nav{width:100%;gap:8px}
  .nav a{font-size:14px;padding:7px 10px;white-space:nowrap}
  h1{font-size:24px;line-height:1.35;margin-bottom:16px}
  h2{font-size:18px;line-height:1.4}
  .card{width:100%;max-width:100%;padding:16px;overflow-x:hidden}
  .grid,.form-grid{grid-template-columns:1fr!important;gap:12px}
  form label{width:100%;max-width:100%;min-width:0;white-space:normal!important}
  label.check{white-space:normal!important;align-items:flex-start;gap:8px;line-height:1.5}
  label.check input[type="checkbox"]{flex:0 0 auto;margin-top:.35em}
  input,select,textarea{width:100%;max-width:100%;min-width:0;font-size:16px}
  .form-actions{grid-column:1/-1;flex-direction:column;align-items:stretch;gap:8px}
  .form-actions .button,.form-actions button{width:100%;text-align:center}
  .table{display:block;width:100%;max-width:100%;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .table th,.table td{white-space:nowrap}
}

/* Mobile admin layout fix v2: avoid implicit grid columns and iPhone date input collapse. */
.school-form-wide{grid-column:1/-1}
input[type="date"]{
  min-height:46px;
  height:46px;
  line-height:1.3;
  -webkit-appearance:none;
  appearance:none;
}
input[type="date"]::-webkit-date-and-time-value{min-height:1.3em;text-align:left}

@media(max-width:720px){
  .form-grid>*{grid-column:1/-1!important;min-width:0!important;max-width:100%!important}
  .form-grid label.check{display:flex!important;flex-direction:row!important;justify-content:flex-start!important;align-items:flex-start!important;width:100%!important}
  .form-grid label.check input[type="checkbox"]{width:auto!important;min-width:20px!important;height:20px!important;margin:2px 8px 0 0!important;flex:0 0 auto!important}
  .form-grid label.check{word-break:normal;overflow-wrap:anywhere}
  input[type="date"]{width:100%!important;min-height:46px!important;height:46px!important;line-height:1.3!important;padding:9px 10px!important}
}



/* Mobile admin button readability fix: save buttons and school list actions only. */
.school-list-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.school-list-actions form{display:inline;margin:0}

@media(max-width:720px){
  .form-actions .button,
  .form-actions button{
    min-height:48px;
    font-size:17px;
    font-weight:800;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    line-height:1.25;
  }
  .school-list-actions{
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
    min-width:148px;
  }
  .school-list-actions form{
    display:block;
    width:100%;
    margin:0;
  }
  .school-list-actions .button,
  .school-list-actions button.button{
    width:100%;
    min-height:42px;
    padding:8px 12px;
    font-size:15px;
    line-height:1.2;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    white-space:nowrap;
  }
}


/* Mobile event edit/create button readability fix: event form actions only. */
@media(max-width:720px){
  .event-form-submit-actions .button,
  .event-form-submit-actions button.button,
  .event-form-notice-actions .button,
  .event-form-notice-actions button.button{
    min-height:48px;
    padding:10px 14px;
    font-size:17px;
    font-weight:800;
    line-height:1.25;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    text-align:center;
  }
}