/* ===== LSS Blog 共通スタイル ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --yellow: #FFD814;
  --yellow-light: #FFF9DB;
  --yellow-bright: #FFE44D;
  --orange: #FF8C00;
  --orange-dark: #E07000;
  --text: #1A1A1A;
  --text-light: #555555;
  --bg: #FFFFFF;
  --bg-warm: #FFFDF3;
  --bg-yellow: #FFF8E1;
  --border: #E8E0D0;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --radius: 16px;
}
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Noto Sans JP', sans-serif; color: var(--text); line-height: 1.8; background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* HEADER */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--yellow); transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: var(--shadow); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 8px; }
.logo-mascot { width: 48px; height: 48px; }
.logo-text { font-size: 1.5rem; font-weight: 900; color: var(--text); letter-spacing: 0.08em; }
.logo-text span { display: block; font-size: 0.65rem; font-weight: 400; color: var(--text-light); letter-spacing: 0; }
.header-right { display: flex; align-items: center; gap: 24px; }
.nav-list { display: flex; gap: 24px; }
.nav-list a { font-size: 0.85rem; font-weight: 500; transition: color 0.3s; }
.nav-list a:hover, .nav-list a.active { color: var(--orange); }
.header-cta {
  display: inline-flex; align-items: center; gap: 6px; background: var(--orange); color: #fff;
  padding: 10px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 700; transition: background 0.3s;
}
.header-cta:hover { background: var(--orange-dark); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); transition: 0.3s; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 16px 32px; border-radius: 50px;
  font-size: 1rem; font-weight: 700; transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; border: none;
}
.btn-orange { background: var(--orange); color: #fff; box-shadow: 0 4px 16px rgba(255,140,0,0.3); }
.btn-orange:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,140,0,0.4); }
.btn-dark { background: var(--text); color: var(--yellow); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

/* PAGE HERO */
.page-hero {
  margin-top: 72px; background: linear-gradient(135deg, #FFF176 0%, var(--yellow) 40%, var(--yellow-bright) 100%);
  padding: 60px 20px; text-align: center;
}
.page-hero .en {
  display: block; font-size: 0.75rem; color: var(--orange-dark); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: 8px;
}
.page-hero h1 { font-size: 2rem; font-weight: 900; }
.page-hero p { margin-top: 12px; color: #444; font-size: 0.95rem; }
.breadcrumb { margin-top: 16px; font-size: 0.8rem; color: #555; }
.breadcrumb a { color: var(--orange-dark); font-weight: 700; }

/* BLOG LIST */
.blog-section { padding: 64px 0 80px; background: var(--bg-warm); }
.blog-layout { display: grid; grid-template-columns: 1fr 280px; gap: 40px; align-items: start; }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.blog-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform 0.3s; display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card-thumb { height: 180px; overflow: hidden; background: var(--yellow-light); }
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.blog-card:hover .blog-card-thumb img { transform: scale(1.05); }
.blog-card-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.blog-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.blog-date { font-size: 0.78rem; color: var(--text-light); font-weight: 500; }
.blog-cat {
  display: inline-block; background: var(--yellow-light); color: var(--orange-dark);
  padding: 3px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 700;
}
.blog-card h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.blog-card p { font-size: 0.85rem; color: var(--text-light); line-height: 1.7; flex: 1; }
.blog-readmore { margin-top: 14px; color: var(--orange-dark); font-weight: 700; font-size: 0.85rem; }

/* SIDEBAR */
.blog-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-box { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.sidebar-box h4 {
  font-size: 1rem; font-weight: 900; margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--yellow);
}
.sidebar-cat a, .sidebar-recent a {
  display: block; font-size: 0.85rem; padding: 8px 0; border-bottom: 1px dashed var(--border);
  color: var(--text-light); transition: color 0.3s;
}
.sidebar-cat a:hover, .sidebar-recent a:hover { color: var(--orange); }
.sidebar-recent a { line-height: 1.5; }
.sidebar-recent .rc-date { display: block; font-size: 0.72rem; color: #999; }

/* ARTICLE */
.article-wrap { padding: 56px 0 80px; background: var(--bg-warm); }
.article { max-width: 760px; margin: 0 auto; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.article-hero-img { width: 100%; height: 340px; object-fit: cover; }
.article-body { padding: 40px 44px 48px; }
.article-body .blog-meta { margin-bottom: 16px; }
.article-body h1 { font-size: 1.7rem; font-weight: 900; line-height: 1.5; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 2px solid var(--yellow); }
.article-body h2 {
  font-size: 1.3rem; font-weight: 900; margin: 36px 0 16px; padding-left: 14px;
  border-left: 5px solid var(--orange);
}
.article-body h3 { font-size: 1.1rem; font-weight: 700; margin: 28px 0 12px; color: var(--orange-dark); }
.article-body p { margin-bottom: 18px; font-size: 0.95rem; line-height: 1.9; color: #333; }
.article-body ul.dot { margin: 0 0 18px 0; padding-left: 4px; }
.article-body ul.dot li {
  position: relative; padding-left: 24px; margin-bottom: 10px; font-size: 0.95rem; line-height: 1.8;
}
.article-body ul.dot li::before {
  content: ''; position: absolute; left: 4px; top: 12px; width: 10px; height: 10px;
  background: var(--orange); border-radius: 50%;
}
.article-body img { border-radius: 10px; margin: 20px 0; }
.article-body .note {
  background: var(--yellow-light); border-left: 4px solid var(--yellow); border-radius: 8px;
  padding: 18px 22px; margin: 24px 0; font-size: 0.9rem;
}
.article-body .toc {
  display: grid; gap: 8px; background: #fffdf3; border: 1px solid var(--border);
  border-radius: 12px; padding: 20px 22px; margin: 26px 0 32px;
}
.article-body .toc strong { font-size: 0.95rem; margin-bottom: 2px; }
.article-body .toc a { color: var(--orange-dark); font-size: 0.9rem; font-weight: 700; }
.article-body .toc a::before { content: '›'; margin-right: 8px; color: var(--orange); }
.article-body ol.numbered { margin: 0 0 22px 24px; padding: 0; }
.article-body ol.numbered li { padding-left: 6px; margin-bottom: 12px; font-size: 0.95rem; line-height: 1.8; }
.article-body ol.numbered li::marker { color: var(--orange-dark); font-weight: 900; }
.article-source {
  display: grid; gap: 8px; margin: 24px 0; padding: 18px 22px;
  border: 1px solid var(--border); border-radius: 10px; background: #fafafa; font-size: 0.85rem;
}
.article-source a { color: var(--orange-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-back { text-align: center; margin-top: 36px; }
.article-back a { color: var(--orange-dark); font-weight: 700; }

/* CTA BAND */
.cta-band { background: linear-gradient(135deg, var(--text), #2a2a2a); color: #fff; text-align: center; padding: 56px 20px; }
.cta-band h2 { font-size: 1.5rem; font-weight: 900; margin-bottom: 10px; }
.cta-band h2 em { color: var(--yellow); font-style: normal; }
.cta-band p { opacity: 0.85; margin-bottom: 20px; }
.cta-phone { font-size: 1.8rem; font-weight: 900; color: var(--yellow); margin-bottom: 4px; }
.cta-phone-note { font-size: 0.8rem; opacity: 0.6; margin-bottom: 20px; }

/* FOOTER */
.footer { background: var(--text); color: rgba(255,255,255,0.7); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .footer-logo { color: var(--yellow); font-size: 1.5rem; font-weight: 900; }
.footer-brand p { font-size: 0.85rem; margin-top: 12px; line-height: 1.8; }
.footer-nav h4 { color: #fff; font-size: 0.9rem; margin-bottom: 16px; }
.footer-nav a { display: block; font-size: 0.85rem; margin-bottom: 10px; transition: color 0.3s; }
.footer-nav a:hover { color: var(--yellow); }
.footer-contact-info p { font-size: 0.85rem; margin-bottom: 8px; }
.footer-contact-info a { color: var(--yellow); }
.footer-bottom { text-align: center; padding-top: 24px; font-size: 0.8rem; opacity: 0.5; }

/* FIXED CTA */
.fixed-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999; background: var(--orange); padding: 14px 20px; box-shadow: 0 -4px 20px rgba(0,0,0,0.15); }
.fixed-cta a { display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; font-weight: 900; font-size: 1.05rem; }
.fixed-cta-mascot { width: 32px; height: 32px; }

/* MOBILE */
@media (max-width: 768px) {
  .nav-list, .header-cta { display: none; }
  .nav-list.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; padding: 24px; gap: 16px; box-shadow: var(--shadow); border-top: 3px solid var(--yellow);
  }
  .hamburger { display: flex; }
  .page-hero h1 { font-size: 1.5rem; }
  .blog-layout { grid-template-columns: 1fr; gap: 40px; }
  .blog-grid { grid-template-columns: 1fr; }
  .article-body { padding: 28px 22px 36px; }
  .article-hero-img { height: 220px; }
  .article-body h1 { font-size: 1.35rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .fixed-cta { display: block; }
  .footer { padding-bottom: 72px; }
}