*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --blue:#2B8FC8; --blue2:#1A6FA5; --blue-lt:#EAF4FB;
  --ink:#0D1C28; --gray:#607080; --gray-lt:#EDF2F7;
  --white:#FDFEFF; --red:#EF4444; --gold:#F59E0B;
}
body { font-family:'Hiragino Sans','Noto Sans JP',sans-serif; background:#F4F7FA; color:var(--ink); font-size:14px; }
a { color:var(--blue); text-decoration:none; }
a:hover { text-decoration:underline; }
.sp-header { background:white; border-bottom:1px solid var(--gray-lt); position:sticky; top:0; z-index:100; }
.sp-header-inner { max-width:1200px; margin:0 auto; padding:0 20px; height:60px; display:flex; align-items:center; justify-content:space-between; }
.sp-logo { display:flex; align-items:center; gap:10px; font-weight:700; font-size:15px; color:var(--ink); }
.sp-logo img { height:32px; }
.sp-header-link { font-size:13px; color:var(--gray); }
.sp-main { min-height:calc(100vh - 60px); padding:32px 0; }
.sp-container { max-width:900px; margin:0 auto; padding:0 20px; }
.sp-container--narrow { max-width:680px; }
.sp-hero { background:white; border-radius:16px; padding:40px; text-align:center; margin-bottom:24px; box-shadow:0 2px 8px rgba(0,0,0,0.06); }
.sp-hero h1 { font-size:22px; margin-bottom:12px; }
.sp-hero p { color:var(--gray); line-height:1.8; margin-bottom:24px; }
.sp-btn-primary { display:inline-flex; align-items:center; justify-content:center; background:var(--blue); color:white; padding:12px 28px; border-radius:100px; font-size:14px; font-weight:700; border:none; cursor:pointer; text-decoration:none; }
.sp-btn-primary:hover { background:var(--blue2); text-decoration:none; color:white; }
.sp-btn-secondary { display:inline-flex; align-items:center; justify-content:center; background:white; color:var(--blue); padding:11px 24px; border-radius:100px; font-size:14px; font-weight:700; border:2px solid var(--blue-lt); cursor:pointer; text-decoration:none; }
.sp-btn-sm { display:inline-flex; align-items:center; background:var(--blue-lt); color:var(--blue); padding:5px 14px; border-radius:6px; font-size:12px; font-weight:700; }
.sp-stats-row { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:24px; }
.sp-stat-card { background:white; border-radius:12px; padding:16px; text-align:center; box-shadow:0 2px 6px rgba(0,0,0,0.05); }
.sp-stat-num { font-size:28px; font-weight:800; color:var(--blue); }
.sp-stat-label { font-size:11px; color:var(--gray); margin-top:4px; }
.sp-section { background:white; border-radius:16px; padding:28px; box-shadow:0 2px 8px rgba(0,0,0,0.06); }
.sp-section-title { font-size:16px; font-weight:700; margin-bottom:16px; }
.sp-page-title { font-size:20px; font-weight:800; margin-bottom:20px; }
.sp-empty { color:var(--gray); text-align:center; padding:24px 0; }
.sp-list { display:flex; flex-direction:column; gap:1px; border:1px solid var(--gray-lt); border-radius:10px; overflow:hidden; }
.sp-list-item { display:flex; align-items:center; justify-content:space-between; padding:14px 16px; background:white; gap:12px; }
.sp-list-item:hover { background:#F8FAFC; }
.sp-list-subject { font-weight:600; font-size:14px; margin-bottom:3px; }
.sp-list-meta { font-size:12px; color:var(--gray); }
.sp-list-right { display:flex; align-items:center; gap:8px; flex-shrink:0; }
.sp-link { font-size:13px; color:var(--blue); white-space:nowrap; }
.sp-badge { display:inline-block; padding:3px 10px; border-radius:100px; font-size:11px; font-weight:700; white-space:nowrap; }
.sp-form { background:white; border-radius:16px; padding:32px; box-shadow:0 2px 8px rgba(0,0,0,0.06); }
.sp-form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.sp-form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.sp-form-group label { font-size:13px; font-weight:700; }
.sp-req { color:var(--red); font-size:11px; margin-left:4px; }
.sp-form-group input,.sp-form-group select,.sp-form-group textarea { border:2px solid var(--gray-lt); border-radius:8px; padding:10px 14px; font-size:14px; font-family:inherit; outline:none; width:100%; }
.sp-form-group input:focus,.sp-form-group select:focus,.sp-form-group textarea:focus { border-color:var(--blue); }
.sp-form-note { font-size:11px; color:var(--gray); }
.sp-form-actions { display:flex; gap:12px; margin-top:8px; flex-wrap:wrap; }
.sp-error-box { background:#FEF2F2; border:1px solid #FECACA; border-radius:8px; padding:14px 18px; margin-bottom:20px; color:var(--red); }
.sp-success-box { background:white; border-radius:16px; padding:48px 32px; text-align:center; box-shadow:0 2px 8px rgba(0,0,0,0.06); }
.sp-success-icon { font-size:40px; margin-bottom:16px; }
.sp-success-box h2 { font-size:20px; margin-bottom:12px; }
.sp-success-box p { color:var(--gray); line-height:1.8; }
.sp-card { background:white; border-radius:14px; padding:24px; margin-bottom:20px; box-shadow:0 2px 6px rgba(0,0,0,0.05); }
.sp-card-title { font-size:15px; font-weight:700; margin-bottom:14px; }
.sp-detail-meta { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin-bottom:20px; }
.sp-meta-text { font-size:12px; color:var(--gray); }
.sp-detail-body { line-height:1.9; font-size:14px; }
.sp-detail-sub { font-size:12px; color:var(--gray); margin-top:8px; }
.sp-breadcrumb { font-size:12px; color:var(--gray); margin-bottom:16px; }
.sp-reply-item { border-top:1px solid var(--gray-lt); padding:16px 0; }
.sp-reply-header { display:flex; justify-content:space-between; margin-bottom:8px; }
.sp-reply-sender { font-weight:700; font-size:13px; color:var(--blue); }
.sp-reply-date { font-size:12px; color:var(--gray); }
.sp-reply-body { font-size:14px; line-height:1.8; }
.sp-login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; }
.sp-login-box { background:white; border-radius:16px; padding:40px; width:100%; max-width:360px; text-align:center; box-shadow:0 4px 20px rgba(0,0,0,0.1); }
.sp-login-box h1 { font-size:18px; margin-bottom:24px; }
.sp-login-box input { width:100%; border:2px solid var(--gray-lt); border-radius:8px; padding:12px 14px; font-size:14px; outline:none; }
.admin-body { background:#F0F2F5; }
.admin-header { background:var(--ink); }
.admin-header-inner { max-width:1400px; margin:0 auto; padding:0 24px; height:56px; display:flex; align-items:center; justify-content:space-between; }
.admin-header .sp-logo { color:white; }
.admin-header .sp-link { color:rgba(255,255,255,0.6); font-size:13px; }
.admin-main { padding:24px 0; }
.admin-container { max-width:1400px; margin:0 auto; padding:0 24px; }
.admin-stats { display:grid; grid-template-columns:repeat(6,1fr); gap:10px; margin-bottom:20px; }
.admin-stat-card { background:white; border-radius:10px; padding:14px; text-align:center; }
.admin-stat-num { font-size:24px; font-weight:800; }
.admin-stat-label { font-size:11px; color:var(--gray); margin-top:3px; }
.admin-filter { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; align-items:center; }
.admin-filter input,.admin-filter select { border:2px solid var(--gray-lt); border-radius:8px; padding:8px 12px; font-size:13px; background:white; outline:none; }
.admin-table-wrap { background:white; border-radius:12px; overflow:auto; box-shadow:0 2px 6px rgba(0,0,0,0.05); }
.admin-table { width:100%; border-collapse:collapse; font-size:13px; }
.admin-table th { background:#F8FAFC; padding:12px 14px; text-align:left; font-size:12px; color:var(--gray); border-bottom:1px solid var(--gray-lt); white-space:nowrap; }
.admin-table td { padding:12px 14px; border-bottom:1px solid var(--gray-lt); vertical-align:middle; }
.admin-table tr:hover td { background:#F8FAFC; }
.admin-empty { text-align:center; color:var(--gray); padding:32px; }
.row-urgent td { background:#FEF9F9 !important; }
.admin-card { background:white; border-radius:14px; padding:24px; margin-bottom:20px; box-shadow:0 2px 6px rgba(0,0,0,0.05); }
.admin-card-title { font-size:16px; font-weight:700; margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.admin-card-note { font-size:12px; color:var(--gray); }
.admin-info-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.admin-label { display:block; font-size:11px; color:var(--gray); margin-bottom:3px; font-weight:600; letter-spacing:0.05em; text-transform:uppercase; }
.admin-body-text { font-size:14px; line-height:1.9; background:#F8FAFC; border-radius:8px; padding:16px; }
.admin-sub-info { font-size:13px; color:var(--gray); margin-bottom:12px; }
.admin-ai-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.admin-ai-block { border-radius:10px; padding:16px; }
.admin-ai-block h3 { font-size:14px; font-weight:700; margin-bottom:4px; }
.admin-ai-hint { font-size:11px; color:var(--gray); margin-bottom:8px; }
.admin-ai-supin { background:#EFF6FF; }
.admin-ai-kuron { background:#F0FDF4; }
.admin-ai-rosou { background:#FFF7ED; }
.admin-textarea { width:100%; border:2px solid var(--gray-lt); border-radius:8px; padding:10px 14px; font-size:13px; font-family:inherit; outline:none; resize:vertical; }
.admin-textarea:focus { border-color:var(--blue); }
.admin-badge-internal { font-size:11px; background:#FEF3C7; color:#92400E; padding:2px 8px; border-radius:100px; font-weight:600; }
.admin-select { border:2px solid var(--gray-lt); border-radius:8px; padding:9px 14px; font-size:14px; background:white; outline:none; }
.admin-reply-history { background:#F8FAFC; border-radius:8px; padding:14px; margin-bottom:14px; }
.admin-reply-history h3 { font-size:13px; font-weight:700; margin-bottom:8px; color:var(--gray); }
.admin-msg { background:#D1FAE5; border:1px solid #6EE7B7; border-radius:8px; padding:12px 16px; margin-bottom:16px; color:#065F46; font-weight:600; }
.sp-footer { text-align:center; padding:20px; font-size:12px; color:var(--gray); }
@media(max-width:768px){
  .sp-stats-row { grid-template-columns:repeat(2,1fr); }
  .sp-form-row { grid-template-columns:1fr; }
  .admin-stats { grid-template-columns:repeat(3,1fr); }
  .admin-ai-grid { grid-template-columns:1fr; }
  .admin-info-grid { grid-template-columns:1fr; }
  .sp-list-item { flex-direction:column; align-items:flex-start; }
}

/* ===== サポートトップ リニューアル ===== */
.sp-hero-tag { display: inline-block; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue); background: var(--blue-lt); padding: 5px 14px; border-radius: 100px; margin-bottom: 14px; }
.sp-hero h1 { font-size: 1.6rem; font-weight: 800; margin-bottom: 14px; color: var(--ink); }
.sp-btn-line { display: inline-flex; align-items: center; gap: 8px; background: #06C755; color: white; padding: 14px 28px; border-radius: 100px; font-size: 0.9rem; font-weight: 700; text-decoration: none; margin-top: 8px; }
.sp-btn-line:hover { background: #05a847; text-decoration: none; color: white; }

/* 3カラム */
.sp-info-grid { display: flex; flex-direction: column; gap: 14px; margin: 32px 0; }
.sp-info-card { background: white; border: 2px solid var(--gray-lt); border-radius: 16px; padding: 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.sp-info-icon { color: var(--blue); margin-bottom: 12px; }
.sp-info-card h3 { font-size: 0.92rem; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.sp-info-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sp-info-card ul li { font-size: 0.82rem; color: var(--gray); padding-left: 14px; position: relative; }
.sp-info-card ul li::before { content: '—'; position: absolute; left: 0; color: var(--blue); font-size: 0.7rem; }

/* LINEブロック */
.sp-line-block { background: var(--ink); border-radius: 16px; padding: 28px 24px; margin: 8px 0 32px; }
.sp-line-inner { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.sp-line-label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #06C755; margin-bottom: 6px; }
.sp-line-title { font-size: 1.1rem; font-weight: 800; color: white; margin-bottom: 8px; }
.sp-line-desc { font-size: 0.78rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 14px; }
.sp-line-qr { background: white; border-radius: 12px; padding: 10px; width: 120px; flex-shrink: 0; }
.sp-line-qr img { width: 100%; height: auto; display: block; }

@media(min-width: 768px) {
  .sp-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .sp-line-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .sp-line-text { flex: 1; }
  .sp-line-qr { width: 140px; }
}