:root{
  --bg:#f6f7fb;
  --panel:#ffffff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#5b6475;
  --line:rgba(15,23,42,.10);
  --brand:#2563eb;
  --brand2:#7c3aed;
  --danger:#dc2626;
  --radius:14px;
  --shadow:0 10px 26px rgba(15,23,42,.08);
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP","Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(900px 500px at 10% 0%, rgba(37,99,235,.12), transparent 55%),
    radial-gradient(900px 500px at 80% 10%, rgba(124,58,237,.10), transparent 58%),
    linear-gradient(180deg, var(--bg), #ffffff 70%);
}

a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.92; }

.container{
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 16px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.brand{
  display:flex; align-items:center; gap:10px;
  font-weight: 800;
  letter-spacing:.2px;
}

.badge{
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(15,23,42,.03);
}

.navlinks{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}

.navlinks a{
  padding: 9px 11px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
}
.navlinks a.active,
.navlinks a:hover{
  color: var(--text);
  border-color: var(--line);
  background: rgba(15,23,42,.03);
}

.grid{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 14px;
}

.sidebar{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.card{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.h1{ font-size: 22px; margin: 0 0 10px; }
.p{ color: var(--muted); margin: 0 0 14px; line-height:1.65; }

.row{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.field{ flex: 1 1 260px; min-width: 220px; }
.label{ font-size: 12px; color: var(--muted); margin: 0 0 6px; display:block; }

.input, .btn, .btn-secondary{
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 10px 12px;
  width: 100%;
  outline: none;
}
.input:focus{ border-color: rgba(37,99,235,.45); box-shadow: 0 0 0 4px rgba(37,99,235,.12); }

.btn{
  width:auto;
  cursor:pointer;
  font-weight: 750;
  color: white;
  background: linear-gradient(135deg, rgba(37,99,235,1), rgba(124,58,237,1));
  border: none;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }

.btn-secondary{
  width:auto;
  cursor:pointer;
  font-weight: 700;
  background: rgba(15,23,42,.03);
}
.btn-secondary:hover{ background: rgba(15,23,42,.06); }

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.table th, .table td{
  text-align:left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table th{ color: var(--muted); font-size: 12px; font-weight: 700; }

.pill{
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  color: var(--muted);
}

.flash{
  border: 1px solid rgba(37,99,235,.25);
  background: rgba(37,99,235,.08);
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
  color: var(--text);
}

.danger{
  border-color: rgba(220,38,38,.25);
  background: rgba(220,38,38,.06);
}

.small{ font-size: 12px; color: var(--muted); }

.checkgrid{
  width:100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow:hidden;
}
.checkgrid .head, .checkgrid .item{
  display:grid;
  grid-template-columns: 1fr 120px 120px;
  gap: 0;
}
.checkgrid .head{
  background: rgba(15,23,42,.03);
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
}
.checkgrid .cell{
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.checkgrid .item:last-child .cell{ border-bottom:none; }
.checkgrid input[type="checkbox"]{
  width: 18px;
  height: 18px;
  accent-color: var(--brand);
}

@media (max-width: 900px){
  .grid{ grid-template-columns: 1fr; }
  .checkgrid .head, .checkgrid .item{ grid-template-columns: 1fr 90px 90px; }
}

/* ============================
   Flash message (global)
   categories: success / error / warning / info
   auto-hide: JS adds .hide
   ============================ */
.flash{
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
  color: var(--text);
  display:flex;
  align-items:flex-start;
  gap:10px;
  box-shadow: 0 10px 26px rgba(15,23,42,.06);

  transition: opacity .4s ease, transform .4s ease;
}
.flash::before{
  content:"";
  width:10px;
  height:10px;
  border-radius:999px;
  margin-top:4px;
  flex: 0 0 10px;
  background: rgba(15,23,42,.35);
}
.flash.hide{
  opacity: 0;
  transform: translateY(-6px);
}

.flash--success{
  border-color: rgba(22,163,74,.25);
  background: rgba(22,163,74,.10);
}
.flash--success::before{ background: rgba(22,163,74,1); }

.flash--error{
  border-color: rgba(220,38,38,.25);
  background: rgba(220,38,38,.10);
}
.flash--error::before{ background: rgba(220,38,38,1); }

.flash--warning{
  border-color: rgba(245,158,11,.30);
  background: rgba(245,158,11,.12);
}
.flash--warning::before{ background: rgba(245,158,11,1); }

.flash--info{
  border-color: rgba(37,99,235,.25);
  background: rgba(37,99,235,.10);
}
.flash--info::before{ background: rgba(37,99,235,1); }

/* ----- Responsive tweaks (iPhone / mobile) ----- */
.navlinks{
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.navlinks::-webkit-scrollbar{ display:none; }

.table{
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.input{ min-height: 44px; } /* iOSのタップしやすさ */
.btn, .btn-secondary{ min-height: 44px; }

@media (max-width: 520px){
  .container{ padding: 16px 12px; }
  .brand span{ font-size: 14px; }
  .badge{ font-size: 11px; }
  .nav{ align-items:flex-start; }
  .navlinks a{ padding: 10px 10px; }
  .grid{ grid-template-columns: 1fr; }
  .sidebar{ display:none; } /* スマホはサイドバー省略（必要なら後で復活） */
  .h1{ font-size: 18px; }
}

/* ===== Header brand/logo ===== */
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 800;
  letter-spacing:.2px;
}
.brand-logo{
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-title{ font-size: 15px; }
.brand-sub{ font-size: 11px; color: var(--muted); margin-top: 2px; }

.nav-right{
  display:flex;
  align-items:center;
  gap: 10px;
}

/* ===== Hamburger (mobile only) ===== */
.hamburger{
  display:none; /* desktop hidden */
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor:pointer;
  padding: 10px;
}
.hamburger span{
  display:block;
  height: 2px;
  background: rgba(15,23,42,.75);
  border-radius: 999px;
}
.hamburger span + span{ margin-top: 6px; }

/* ===== Mobile menu drawer ===== */
.mobile-menu{
  display:none; /* desktop hidden */
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.35);
  z-index: 999;
  opacity: 0;
  transition: opacity .18s ease;
}
.mobile-menu.open{ opacity: 1; }

.mobile-menu__panel{
  position: absolute;
  top: 12px;
  right: 12px;
  left: 12px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateY(-6px);
  transition: transform .18s ease;
  overflow:hidden;
}
.mobile-menu.open .mobile-menu__panel{ transform: translateY(0); }

.mobile-menu__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(15,23,42,.02);
}
.mobile-menu__title{ font-weight: 850; }
.mobile-menu__close{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor:pointer;
  font-size: 20px;
  line-height: 1;
}

.mobile-menu__links{
  display:flex;
  flex-direction:column;
  padding: 10px;
  gap: 6px;
}
.mobile-menu__links a{
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
  background: rgba(15,23,42,.02);
}
.mobile-menu__links a.active{
  border-color: rgba(37,99,235,.25);
  background: rgba(37,99,235,.08);
}

/* Prevent background scroll when menu open */
.no-scroll{ overflow:hidden; }

/* ===== Responsive behavior ===== */
@media (max-width: 520px){
  .navlinks--desktop{ display:none; }
  .hamburger{ display:inline-flex; align-items:center; justify-content:center; }
  .mobile-menu{ display:block; }
}

/* ===== Header vertical center fix ===== */
.nav{ align-items:center !important; }

/* ===== Brand/logo ===== */
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{
  width: 34px; height: 34px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.05; }
.brand-title{ font-size: 15px; }
.brand-sub{ font-size: 11px; color: var(--muted); margin-top: 2px; }

.nav-right{ display:flex; align-items:center; gap:10px; }

/* ===== Hamburger (mobile only) ===== */
.hamburger{
  display:none;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor:pointer;
}
.hamburger svg{ width:22px; height:22px; color: rgba(15,23,42,.85); }
.hamburger-label{ font-size:12px; color: var(--muted); font-weight:800; }

/* ===== Mobile menu overlay ===== */
.mobile-menu{
  display:none;
  position:fixed;
  inset:0;
  z-index:999;
  background: rgba(15,23,42,.35);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease;
}
.mobile-menu.is-open{
  opacity:1;
  pointer-events:auto;
}
.mobile-menu__panel{
  position:absolute;
  left:12px; right:12px; top:12px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateY(-8px);
  transition: transform .18s ease;
  overflow:hidden;
}
.mobile-menu.is-open .mobile-menu__panel{ transform: translateY(0); }

.mobile-menu__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  background: rgba(15,23,42,.02);
}
.mobile-menu__title{ font-weight:850; }
.mobile-menu__close{
  width:40px; height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor:pointer;
  font-size:20px;
  line-height:1;
}

.mobile-menu__links{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:10px;
}
.mobile-menu__links a{
  padding:12px 12px;
  border-radius:12px;
  border:1px solid transparent;
  background: rgba(15,23,42,.02);
}
.mobile-menu__links a.active{
  border-color: rgba(37,99,235,.25);
  background: rgba(37,99,235,.08);
}

/* prevent scroll */
.no-scroll{ overflow:hidden !important; }

/* responsive */
@media (max-width: 520px){
  .navlinks--desktop{ display:none !important; }
  .hamburger{ display:inline-flex !important; }
  .mobile-menu{ display:block !important; }
}

/* ===== Hamburger hard-fix (override) ===== */
.hamburger{
  display:none;
  width: 52px;
  height: 52px;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}
.hamburger span{ display:none !important; } /* 旧実装のspanが残っても無効化 */
.hamburger svg{
  display:block;
  width: 24px;
  height: 24px;
  color: rgba(15,23,42,.85);
}
.hamburger-label{
  display:block;
  font-size: 10px;
  font-weight: 900;
  color: var(--muted);
  letter-spacing: .4px;
}
@media (max-width: 520px){
  .hamburger{ display:inline-flex !important; }
}

/* ===== Simple modal ===== */
.modal{
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15,23,42,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.modal.is-open{
  opacity: 1;
  pointer-events: auto;
}
.modal__panel{
  position:absolute;
  left: 12px;
  right: 12px;
  top: 12px;
  border-radius: 16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  overflow:hidden;
  transform: translateY(-8px);
  transition: transform .18s ease;
}
.modal.is-open .modal__panel{ transform: translateY(0); }

.modal__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(15,23,42,.02);
}
.modal__title{ font-weight: 900; }
.modal__close{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.03);
  cursor:pointer;
  font-size: 20px;
  line-height:1;
}
.modal__body{
  padding: 12px 14px 16px;
}
.contacts-table{
  width:100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow:hidden;
}
.contacts-table th, .contacts-table td{
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  text-align:left;
  vertical-align: top;
  font-size: 13px;
}
.contacts-table th{
  font-size: 12px;
  color: var(--muted);
  background: rgba(15,23,42,.02);
}
.contacts-actions{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* retired row */
.row-retired{
  background: rgba(15,23,42,.06);
}

/* readonly display blocks */
.readonly{
  min-height: 44px;
  display:flex;
  align-items:center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(15,23,42,.02);
  color: var(--text);
  font-weight: 800;
}

/* contacts form readonly */
.contacts-form.is-readonly{
  opacity: .72;
}
.contacts-form.is-readonly .input{
  background: rgba(15,23,42,.03);
}

/* ===== List/Table layout improvement (PC) ===== */
.table{
  width: 100% !important;
  display: table !important;            /* 以前の display:block を打ち消す */
  table-layout: auto;
  white-space: normal;                  /* 可能なら折り返す */
}
.table th, .table td{
  white-space: nowrap;                  /* 基本はnowrapで詰める */
}
.table td{
  vertical-align: middle;
}
.table .col-wrap{
  white-space: normal;                  /* メールなどだけ折り返しOK */
  overflow-wrap: anywhere;
}

/* toolbar: 右側の余白を作らず自然に詰める */
.list-toolbar{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.list-toolbar__right{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

/* retired row */
.row-retired{
  background: rgba(15,23,42,.06) !important;
}

/* ===== Mobile: table horizontally scrollable ===== */
@media (max-width: 520px){
  .table{
    display:block !important;
    overflow-x:auto;
    white-space: nowrap;
  }
}

/* ===== required mark ===== */
.req{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  color: var(--danger);
  margin-left: 6px;
}

/* ===== tabs styling ===== */
.tabs .tab-btn{
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 850;
}
.tabs .tab-btn.is-active{
  border-color: rgba(37,99,235,.25);
  background: rgba(37,99,235,.10);
  color: var(--brand);
}
.tabs .tab-btn.is-active[data-tab="update"]{
  border-color: rgba(245,158,11,.30);
  background: rgba(245,158,11,.12);
  color: #b45309;
}

/* ===== mode badge ===== */
.mode-badge{
  display:inline-flex;
  align-items:center;
  margin-left: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  border: 1px solid var(--line);
}
.mode-add{
  border-color: rgba(37,99,235,.25);
  background: rgba(37,99,235,.10);
  color: var(--brand);
}
.mode-update{
  border-color: rgba(245,158,11,.30);
  background: rgba(245,158,11,.12);
  color: #b45309;
}

/* ===== contacts form readability ===== */
.contacts-form .row{
  gap: 12px;
}
.contacts-form .field{
  min-width: 220px;
}

/* tel links */
a.tel{
  color: var(--brand);
  font-weight: 850;
  text-decoration: none;
}
a.tel:hover{
  text-decoration: underline;
}

/* Mobile: hide email column only */
@media (max-width: 520px){
  .col-email{ display:none !important; }
}

/* ===== Auto hamburger (fallback) ===== */
.auto-hamburger{
  display:none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  box-shadow: 0 8px 24px rgba(15,23,42,.06);
  align-items:center;
  justify-content:center;
  gap: 4px;
}
.auto-hamburger span{
  display:block;
  width: 18px;
  height: 2px;
  background: rgba(15,23,42,.75);
  border-radius: 99px;
}
.auto-hamburger.is-open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.auto-hamburger.is-open span:nth-child(2){ opacity: 0; }
.auto-hamburger.is-open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 520px){
  .auto-hamburger{ display:inline-flex; }
}

/* mobile menu overlay */
.mobile-menu-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 9998;
}
.mobile-menu-overlay.is-open{
  opacity: 1;
  pointer-events: auto;
}

/* slide panel */
.mobile-menu-panel{
  position: fixed;
  top: 0;
  right: 0;
  width: min(86vw, 360px);
  height: 100vh;
  background: #fff;
  transform: translateX(100%);
  transition: transform .18s ease;
  z-index: 9999;
  display:flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}
.mobile-menu-panel.is-open{
  transform: translateX(0);
}
.mobile-menu-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 14px;
  border-bottom: 1px solid var(--line);
}
.mobile-menu-title{
  font-weight: 900;
}
.mobile-menu-close{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.mobile-menu-body{
  padding: 12px 10px;
  overflow:auto;
}
.mobile-menu-body a{
  display:flex;
  padding: 12px 12px;
  border-radius: 12px;
  text-decoration:none;
  color: rgba(15,23,42,.92);
  font-weight: 850;
}
.mobile-menu-body a:hover{
  background: rgba(15,23,42,.04);
}