/*
Theme Name: Minimal Corp
Theme URI: https://example.com/
Author: Your Name
Description: 最小限の法人サイト向けWordPressテーマ（v1.4：初期ページ/メニュー/お知らせ自動作成）
Version: 1.4.0
Text Domain: minimal-corp
*/

:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --brand:#2563eb;
  --brand2:#1d4ed8;
  --card:#f9fafb;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}
a{ color:var(--brand); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{ width:min(1100px, 92vw); margin:0 auto; }
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.9);
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(1.4) blur(8px);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:16px;
}
.brand{
  display:flex; flex-direction:column; gap:2px;
}
.brand a{ color:var(--text); font-weight:700; font-size:18px; }
.brand small{ color:var(--muted); font-size:12px; }

.nav{
  display:flex; gap:14px; flex-wrap:wrap;
}
.nav a{
  color:var(--text);
  padding:6px 10px;
  border-radius:10px;
}
.nav a:hover{ background:var(--card); text-decoration:none; }

.hero{
  padding:48px 0 18px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap:18px;
  align-items:stretch;
}
@media (max-width: 860px){
  .hero-grid{ grid-template-columns:1fr; }
}
.hero h1{
  font-size: clamp(24px, 3vw, 40px);
  line-height:1.25;
  margin:0 0 10px;
}
.lead{ color:var(--muted); margin:0 0 18px; }
.hero-card{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:18px;
  padding:18px;
}
.btn{
  display:inline-block;
  background:var(--brand);
  color:white;
  padding:10px 14px;
  border-radius:12px;
  font-weight:700;
  border:0;
}
.btn:hover{ background:var(--brand2); text-decoration:none; }
.btn.secondary{
  background:white;
  color:var(--brand);
  border:1px solid var(--line);
}
.btn.secondary:hover{ background:var(--card); }

.section{
  padding:26px 0;
  border-top:1px solid var(--line);
}
.section h2{
  margin:0 0 12px;
  font-size:20px;
}
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
}
@media (max-width: 860px){
  .grid-3{ grid-template-columns:1fr; }
}
.card{
  border:1px solid var(--line);
  background:white;
  border-radius:16px;
  padding:16px;
}
.card h3{ margin:0 0 6px; font-size:16px; }
.card p{ margin:0; color:var(--muted); }

.kv{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:10px;
}
.kv span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:white;
  color:var(--muted);
  font-size:12px;
}

.posts{
  display:grid;
  gap:10px;
}
.post-item{
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
}
.post-item .meta{ color:var(--muted); font-size:12px; margin-bottom:4px; }
.post-item .title{ font-weight:700; color:var(--text); }

.site-footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:var(--muted);
  font-size:12px;
}

.content{
  padding:22px 0;
}
.content h1{ margin:0 0 14px; }
.content img{ max-width:100%; height:auto; }

.form{
  display:grid;
  gap:10px;
  max-width: 680px;
}
.form label{ font-weight:700; font-size:14px; }
.form input, .form textarea{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  font:inherit;
}
.notice{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  margin: 0 0 12px;
}
.notice.ok{ border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.08); }
.notice.ng{ border-color: rgba(239,68,68,.35); background: rgba(239,68,68,.08); }

.dl{ display:grid; grid-template-columns: 140px 1fr; gap:6px 14px; }
@media (max-width: 720px){ .dl{ grid-template-columns:1fr; } }
.dl dt{ color:var(--muted); font-weight:700; }
.dl dd{ margin:0; }
.timeline{ display:grid; gap:10px; }
.tl-item{ border:1px solid var(--line); border-radius:14px; padding:12px 14px; background:white; }
.tl-item .when{ color:var(--muted); font-size:12px; }
.tl-item .what{ font-weight:700; margin-top:2px; }
.badges{ display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
.badges span{ font-size:12px; color:var(--muted); border:1px solid var(--line); background:var(--card); padding:6px 10px; border-radius:999px; }

.note{ color:var(--muted); font-size:13px; }