/* House vs Rent — Shared page styles */
:root{
  --bg:#f8f9fc;--bg-subtle:#eef1f6;--bg-card:#ffffff;
  --border:#e2e8f0;--shadow:0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --text:#1e293b;--text-dim:#475569;--text-muted:#94a3b8;
  --accent:#6366f1;--accent-bright:#818cf8;--accent-glow:rgba(99,102,241,.15);
  --rent:#ec4899;--buy:#10b981;--stress:#f97316;
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Noto Sans JP',system-ui,sans-serif;color:var(--text);line-height:1.8;
  background:var(--bg);min-height:100vh;
}

/* ===== Navigation ===== */
.site-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(248,249,252,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:900px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;height:56px;
}
.nav-logo{
  font-size:.95rem;font-weight:900;text-decoration:none;
  background:linear-gradient(135deg,#6366f1,#8b5cf6,#ec4899);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  display:block;padding:8px 14px;border-radius:8px;
  font-size:.82rem;font-weight:700;color:var(--text-dim);text-decoration:none;
  transition:background .2s,color .2s;
}
.nav-links a:hover,.nav-links a.active{background:var(--accent-glow);color:var(--accent)}

/* Dropdown */
.nav-dropdown{position:relative}
.nav-dropdown-toggle{cursor:pointer;user-select:none}
.nav-dropdown-toggle::after{
  content:'';display:inline-block;width:0;height:0;margin-left:4px;
  border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:4px solid var(--text-muted);vertical-align:middle;transition:transform .2s;
}
.nav-dropdown:hover .nav-dropdown-toggle::after{transform:rotate(180deg)}
.nav-dropdown-menu{
  display:none;position:absolute;top:100%;right:0;
  background:var(--bg-card);border:1px solid var(--border);border-radius:12px;
  box-shadow:0 8px 32px rgba(0,0,0,.1);padding:8px;min-width:280px;
  z-index:200;
}
.nav-dropdown:hover .nav-dropdown-menu{display:block}
.nav-dropdown-menu a{
  display:block;padding:10px 14px;border-radius:8px;
  font-size:.8rem;font-weight:600;color:var(--text-dim);text-decoration:none;
  transition:background .15s;white-space:nowrap;
}
.nav-dropdown-menu a:hover{background:var(--bg-subtle);color:var(--accent)}

/* Mobile nav */
.nav-hamburger{
  display:none;background:none;border:none;cursor:pointer;padding:8px;
  color:var(--text-dim);
}
.nav-hamburger svg{display:block}

@media(max-width:640px){
  .nav-links{
    display:none;position:absolute;top:56px;left:0;right:0;
    flex-direction:column;background:var(--bg-card);
    border-bottom:1px solid var(--border);
    box-shadow:0 8px 24px rgba(0,0,0,.08);padding:8px 12px;gap:2px;
  }
  .nav-links.open{display:flex}
  .nav-hamburger{display:block}
  .nav-dropdown-menu{position:static;box-shadow:none;border:none;padding:0 0 0 16px;display:none}
  .nav-dropdown.open .nav-dropdown-menu{display:block}
  .nav-dropdown-toggle::after{display:none}
}

/* ===== Content Container ===== */
.page-container{max-width:760px;margin:0 auto;padding:40px 16px 60px}

/* ===== Page Hero ===== */
.page-hero{text-align:center;padding:20px 0 32px}
.page-hero h1{
  font-size:clamp(1.3rem,4vw,1.8rem);font-weight:900;
  background:linear-gradient(135deg,#6366f1,#8b5cf6,#ec4899);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  letter-spacing:-.02em;
}
.page-hero .hero-sub{font-size:.88rem;color:var(--text-dim);margin-top:8px}

/* ===== Card ===== */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;margin-bottom:20px;
  transition:box-shadow .2s;
}
.card:hover{box-shadow:0 2px 6px rgba(0,0,0,.08), 0 8px 24px rgba(0,0,0,.06)}
.card h2{font-size:1.1rem;font-weight:800;color:var(--accent);margin-bottom:14px}
.card h3{font-size:1rem;font-weight:700;color:var(--text);margin:18px 0 8px}
.card h3:first-child{margin-top:0}
.card p{font-size:.9rem;color:var(--text-dim);margin-bottom:12px}
.card ul,.card ol{padding-left:22px;margin-bottom:14px}
.card li{font-size:.88rem;color:var(--text-dim);margin-bottom:6px;line-height:1.7}
.card strong{color:var(--text);font-weight:700}
.card a{color:var(--accent);text-decoration:none}
.card a:hover{text-decoration:underline}

/* ===== Article-specific ===== */
.article-meta{
  display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:.78rem;color:var(--text-muted);margin-top:12px;
}
.article-meta time{font-weight:600}

.article-body h2{
  font-size:1.15rem;font-weight:800;color:var(--accent);
  margin:28px 0 14px;padding-bottom:8px;
  border-bottom:2px solid rgba(99,102,241,.12);
}
.article-body h3{
  font-size:1rem;font-weight:700;color:var(--text);
  margin:22px 0 10px;
}
.article-body p{font-size:.9rem;color:var(--text-dim);margin-bottom:14px;line-height:1.85}
.article-body ul,.article-body ol{padding-left:22px;margin-bottom:16px}
.article-body li{font-size:.88rem;color:var(--text-dim);margin-bottom:8px;line-height:1.7}
.article-body strong{color:var(--text)}
.article-body a{color:var(--accent)}

/* Highlight box */
.highlight-box{
  padding:18px 22px;border-radius:12px;margin:20px 0;
  background:linear-gradient(135deg,rgba(99,102,241,.06),rgba(16,185,129,.04));
  border:1px solid rgba(99,102,241,.12);
}
.highlight-box p{margin-bottom:6px}
.highlight-box p:last-child{margin-bottom:0}

/* Warning box */
.warning-box{
  padding:18px 22px;border-radius:12px;margin:20px 0;
  background:rgba(249,115,22,.04);
  border:1px solid rgba(249,115,22,.15);
}

/* Checklist */
.checklist{list-style:none;padding-left:0}
.checklist li{
  position:relative;padding-left:30px;margin-bottom:12px;
  font-size:.9rem;color:var(--text-dim);line-height:1.7;
}
.checklist li::before{
  content:'';position:absolute;left:0;top:6px;
  width:18px;height:18px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-bright));
  display:flex;align-items:center;justify-content:center;
}
.checklist li::after{
  content:'';position:absolute;left:5px;top:10px;
  width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(-45deg);
}

/* Number list */
.number-list{counter-reset:numlist;list-style:none;padding-left:0}
.number-list li{
  position:relative;padding-left:38px;margin-bottom:16px;
  font-size:.9rem;color:var(--text-dim);line-height:1.7;
  counter-increment:numlist;
}
.number-list li::before{
  content:counter(numlist);position:absolute;left:0;top:2px;
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-bright));
  color:#fff;font-size:.78rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

/* Example calc table */
.calc-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.85rem}
.calc-table th,.calc-table td{
  padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);
}
.calc-table th{
  font-weight:700;color:var(--text);background:var(--bg-subtle);
  font-size:.82rem;
}
.calc-table td{color:var(--text-dim)}
.calc-table tr:last-child td{border-bottom:none}
.calc-table .total td{font-weight:800;color:var(--text);background:rgba(99,102,241,.04)}

/* ===== Back link ===== */
.back-link{text-align:center;margin-top:28px}
.back-link a{
  display:inline-block;padding:12px 28px;border-radius:10px;
  background:linear-gradient(135deg,rgba(99,102,241,.1),rgba(99,102,241,.05));
  color:var(--accent);font-weight:700;font-size:.9rem;
  text-decoration:none;transition:background .2s,transform .15s;
}
.back-link a:hover{background:rgba(99,102,241,.18);transform:translateY(-1px)}

/* ===== Guide CTA card ===== */
.guide-cta{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;
  margin-top:24px;
}
.guide-cta a{
  display:block;padding:18px;border-radius:12px;
  background:var(--bg-card);border:1px solid var(--border);
  box-shadow:0 1px 3px rgba(0,0,0,.04);text-decoration:none;
  transition:box-shadow .2s,transform .15s;
}
.guide-cta a:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.guide-cta a .cta-title{font-size:.88rem;font-weight:700;color:var(--accent);margin-bottom:4px}
.guide-cta a .cta-desc{font-size:.78rem;color:var(--text-muted)}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-subtle);
  border-top:1px solid var(--border);
  padding:32px 16px;margin-top:48px;
}
.footer-inner{
  max-width:900px;margin:0 auto;
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;
}
.footer-inner a{
  font-size:.82rem;color:var(--text-dim);text-decoration:none;
  padding:4px 0;transition:color .2s;
}
.footer-inner a:hover{color:var(--accent)}
.footer-copyright{
  text-align:center;font-size:.72rem;color:var(--text-muted);
  margin-top:14px;
}

/* ===== Responsive ===== */
@media(max-width:768px){
  .page-container{padding:28px 12px 48px}
  .card{padding:22px 18px}
}
@media(max-width:480px){
  .page-container{padding:16px 8px 36px}
  .card{padding:16px 12px;border-radius:12px;margin-bottom:14px}
  .page-hero h1{font-size:1.2rem}
  .page-hero{padding:12px 0 20px}
  .guide-cta{grid-template-columns:1fr}
  .site-footer{padding:24px 12px;margin-top:32px}
}