/* v2: シニア配慮（文字大きめ、余白、コントラスト、タップ領域） */
:root{
  --bg:#ffffff;
  --fg:#111111;
  --muted:#444444;
  --line:#d9d9d9;
  --accent:#0b5fff;
  --accent2:#0a8f5b;
  --warn:#b00020;
  --card:#f7f7f7;
  --shadow: 0 6px 18px rgba(0,0,0,.08);
  --radius: 16px;
  --max: 1040px;
  --fs: 18px; /* 推奨レンジ: 18px前後 */
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  font-size: var(--fs);
  line-height: 1.8;
  color: var(--fg);
  background: var(--bg);
}

a{ color: var(--accent); }
a:focus, button:focus, input:focus, select:focus, textarea:focus{
  outline: 3px solid rgba(11,95,255,.35);
  outline-offset: 2px;
}

.skip-link{
  position:absolute;
  left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px;
  width:auto; height:auto;
  padding:10px 14px;
  background:#fff;
  border:2px solid var(--accent);
  border-radius:10px;
  z-index:9999;
}

.container{ max-width: var(--max); margin:0 auto; padding:0 18px; }

header.site-header{
  position: sticky; top:0; z-index: 600;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner{
  display:flex; gap:12px;
  align-items:center; justify-content:space-between;
  padding: 10px 0;
  flex-wrap: wrap;
}
.brand{ display:flex; flex-direction:column; gap:2px; }
.brand .name{ font-weight: 900; letter-spacing:.02em; }
.brand .sub{ font-size:.95em; color: var(--muted); }

.nav{
  display:flex; gap:10px; flex-wrap: wrap;
  align-items:center;
}
.nav a{
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 999px;
  border:1px solid transparent;
  color: var(--fg);
  font-weight: 800;
  min-height: 44px; /* タップ領域 */
  display:inline-flex; align-items:center;
}
.nav a:hover{ border-color: rgba(11,95,255,.35); }

.header-cta{ display:flex; gap:10px; flex-wrap: wrap; align-items:center; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 2px solid transparent;
  text-decoration:none;
  font-weight: 900;
  cursor:pointer;
  transition: transform .06s ease;
  min-height: 44px; /* タップ領域 */
}
.btn:hover{ transform: translateY(-1px); }
.btn.primary{ background: var(--accent); color:#fff; }
.btn.secondary{ background: var(--accent2); color:#fff; }
.btn.ghost{ background:#fff; border-color: var(--line); color: var(--fg); }

main{ padding-bottom: 64px; }

.hero{ padding: 28px 0 10px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 16px;
}
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

h1,h2,h3{ line-height: 1.35; }
.hero h1{ margin: 0 0 8px; font-size: 1.75em; }
.lead{ margin: 0 0 12px; color: var(--muted); }

.badges{ display:flex; flex-wrap:wrap; gap:8px; margin-top: 10px; }
.badge{
  display:inline-flex; align-items:center;
  padding: 6px 10px;
  border:1px solid var(--line);
  background:#fff;
  border-radius: 999px;
  font-weight:800;
  font-size: .95em;
}

.section{ padding: 22px 0; }
.section h2{ margin: 0 0 10px; font-size: 1.45em; }
.section p{ margin: 0 0 10px; }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 920px){
  .grid-2{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
}

.kv .title{ font-weight: 900; font-size: 1.1em; margin-bottom: 6px; }
.kv ul{ margin: 0; padding-left: 1.25em; }
.kv li{ margin: 6px 0; }

.notice{
  border-left: 5px solid var(--accent);
  background: #f3f7ff;
  padding: 12px 14px;
  border-radius: 10px;
}

.table{
  width:100%;
  border-collapse: collapse;
  background:#fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow:hidden;
}
.table th, .table td{
  padding: 12px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table th{ text-align:left; width: 32%; background:#fafafa; }
.table tr:last-child th, .table tr:last-child td{ border-bottom:none; }

.small{ font-size: .95em; color: var(--muted); }

.quote{
  background:#fff;
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}
.quote .meta{ font-weight: 900; margin-bottom: 6px; }
.quote p{ margin:0; color: var(--muted); }

.tabs{
  display:flex; gap:10px; flex-wrap: wrap;
  margin-bottom: 10px;
}
.tab-btn{
  background:#fff;
  border:2px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 900;
  cursor:pointer;
  min-height: 44px;
}
.tab-btn[aria-selected="true"]{
  border-color: rgba(11,95,255,.5);
}
.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

details{
  background:#fff;
  border:1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
summary{ cursor:pointer; font-weight: 900; }

form{ display:grid; gap: 10px; }
.field{ display:grid; gap: 6px; }
label{ font-weight: 900; }
input, select, textarea{
  width:100%;
  padding: 12px 12px;
  border: 2px solid var(--line);
  border-radius: 12px;
  font-size: 1em;
}
textarea{ min-height: 120px; resize: vertical; }
.req{ color: var(--warn); font-weight: 900; margin-left: 6px; font-size: .92em; }

.inline{ display:flex; gap: 10px; flex-wrap: wrap; align-items:center; }
.check{
  display:flex; gap: 8px; align-items:center;
  background:#fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
}
.check input[type="checkbox"]{ width: 20px; height: 20px; }

.form-actions{ display:flex; gap: 10px; flex-wrap:wrap; align-items:center; }

/* モバイル下部CTA（電話/申込） */
.mobile-bar{
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,.98);
  border-top: 1px solid var(--line);
  padding: 10px 12px;
  display:none;
  z-index: 700;
}
.mobile-bar .inner{ display:flex; gap:10px; }
.mobile-bar a{ flex:1; }
@media (max-width: 920px){
  .mobile-bar{ display:block; }
}

/* 管理ページ */
.admin-table{
  width:100%;
  border-collapse: collapse;
  background:#fff;
  border:1px solid var(--line);
}
.admin-table th,.admin-table td{
  border-bottom:1px solid var(--line);
  padding: 10px;
  font-size: 14px;
  vertical-align: top;
}
.admin-table th{ background:#fafafa; text-align:left; }


.access-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 2px solid var(--line);
  text-decoration:none;
  font-weight: 900;
  min-height: 44px;
  background:#fff;
  color: var(--fg);
}
.access-btn:hover{ border-color: rgba(11,95,255,.35); }