/* ==========================================================================
   計算ツール v3 — Professional Japanese Finance Site
   Design level: Production SaaS / Enterprise team site
   Ref: keisan.casio.jp, freee.co.jp, MoneyForward, Zaim
   ========================================================================== */

:root {
  --c-brand: #1d4ed8;
  --c-brand-light: #3b82f6;
  --c-brand-lighter: #dbeafe;
  --c-brand-wash: #eff6ff;

  --c-text: #111827;
  --c-text-2: #374151;
  --c-text-3: #6b7280;
  --c-text-4: #9ca3af;

  --c-bg: #f9fafb;
  --c-surface: #ffffff;
  --c-border: #e5e7eb;
  --c-border-light: #f3f4f6;

  --c-success: #059669;
  --c-success-bg: #ecfdf5;
  --c-warning: #d97706;
  --c-warning-bg: #fffbeb;

  --font: "Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,"Yu Gothic",YuGothic,-apple-system,sans-serif;
  --font-mono: "JetBrains Mono","SF Mono",Menlo,Consolas,monospace;

  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 2px 4px rgba(0,0,0,.04);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,.06), 0 8px 16px rgba(0,0,0,.06);
  --shadow-elevated: 0 4px 6px -2px rgba(0,0,0,.05), 0 10px 15px -3px rgba(0,0,0,.06);

  --w-main: 960px;
  --w-content: 740px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:15px;color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--c-brand);text-decoration:none}
a:hover{color:var(--c-brand-light)}
img,svg{max-width:100%;display:block}

/* ===== Typography ===== */
h1{font-size:1.65rem;font-weight:800;letter-spacing:-0.02em;color:var(--c-text);line-height:1.35}
h2{font-size:1.2rem;font-weight:700;color:var(--c-text);line-height:1.4}
h3{font-size:1.05rem;font-weight:700;color:var(--c-text);line-height:1.4}
p{color:var(--c-text-2);line-height:1.85}

/* ===== Layout ===== */
.container{max-width:var(--w-main);margin:0 auto;padding:0 24px}
.content{max-width:var(--w-content);margin:0 auto}

/* ===== Header ===== */
.site-header{background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:1000;height:58px;display:flex;align-items:center}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}

.site-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1rem;color:var(--c-text);letter-spacing:-0.01em;flex-shrink:0}
.site-logo:hover{color:var(--c-brand);text-decoration:none}
.logo-icon{width:30px;height:30px;flex-shrink:0}

.nav-links{display:flex;align-items:center;gap:2px;font-size:.8rem;font-weight:600}
.nav-links a{color:var(--c-text-3);padding:8px 14px;border-radius:var(--radius);transition:all .15s ease}
.nav-links a:hover{color:var(--c-brand);background:var(--c-brand-wash);text-decoration:none}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,var(--c-brand-wash) 0%,var(--c-bg) 100%);padding:52px 0 40px;text-align:center;border-bottom:1px solid var(--c-border-light)}
.hero h1{font-size:clamp(1.4rem,3.5vw,1.85rem);margin-bottom:12px}
.hero p{font-size:.95rem;color:var(--c-text-3);max-width:600px;margin:0 auto;line-height:1.8}
.hero .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-full);font-size:.72rem;font-weight:600;color:var(--c-text-3);margin-bottom:16px}

/* ===== Breadcrumb ===== */
nav.breadcrumb,
nav[aria-label="パンくずリスト"]{
  display:flex;align-items:center;gap:4px;
  font-size:.688rem;color:#9ca3af;
  padding:12px 24px;
  max-width:960px;margin:0 auto
}
nav.breadcrumb a,
nav[aria-label="パンくずリスト"] a{color:#9ca3af;transition:color .15s}
nav.breadcrumb a:hover,
nav[aria-label="パンくずリスト"] a:hover{color:#2563eb}
nav.breadcrumb span,
nav[aria-label="パンくずリスト"] span{color:#6b7280;font-weight:600}
nav[aria-label="パンくずリスト"] ol,
nav[aria-label="パンくずリスト"] .breadcrumb{
  display:flex;list-style:none;gap:4px;margin:0;padding:0
}
nav[aria-label="パンくずリスト"] li::after{
  content:"/";margin:0 4px;color:#d1d5db
}
nav[aria-label="パンくずリスト"] li:last-child::after{content:none}
nav[aria-label="パンくずリスト"] li:last-child,
nav[aria-label="パンくずリスト"] li:last-child a{color:#6b7280;font-weight:600}
@media(max-width:768px){
  nav.breadcrumb,nav[aria-label="パンくずリスト"]{font-size:.625rem;padding:8px 16px}
}

/* ===== Content Page ===== */
.content{padding:40px 0}
.content h1{font-size:1.55rem;margin-bottom:6px}
.content h2{font-size:1.2rem;margin:36px 0 12px;padding-bottom:10px;border-bottom:2px solid var(--c-border-light)}
.content h3{font-size:1.02rem;margin:24px 0 8px}
.content p{margin-bottom:1.1em}

/* ===== Table ===== */
.content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.88rem;border:1px solid var(--c-border);border-radius:var(--radius-lg);overflow:hidden}
.content th{background:var(--c-brand-wash);color:var(--c-text);font-weight:700;font-size:.76rem;text-align:left;padding:12px 16px;border-bottom:1px solid var(--c-border)}
.content td{padding:11px 16px;border-bottom:1px solid var(--c-border-light);color:var(--c-text-2);background:var(--c-surface)}
.content tr:last-child td{border-bottom:none}

/* ===== FAQ ===== */
.faq-item{margin-bottom:8px;border:1.5px solid var(--c-border);border-radius:var(--radius);overflow:hidden;transition:border-color .15s}
.faq-item:hover{border-color:var(--c-brand-lighter)}
.faq-q{padding:14px 18px;font-weight:700;font-size:.88rem;color:var(--c-text);background:var(--c-bg);display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.faq-q::after{content:"▾";font-size:.55rem;color:var(--c-text-4);margin-top:4px;flex-shrink:0}
.faq-a{padding:14px 18px;font-size:.85rem;line-height:1.85;color:var(--c-text-2)}

/* ===== Related Links ===== */
.related-links{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:22px;margin-top:36px}
.related-links h3{font-size:.92rem;margin-bottom:14px;color:var(--c-text)}
.related-links ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0}
.related-links a{font-size:.82rem;padding:7px 16px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-2);font-weight:500;transition:all .15s}
.related-links a:hover{background:var(--c-brand-wash);color:var(--c-brand);border-color:var(--c-brand-lighter);text-decoration:none}

/* ===== Ad Zone ===== */
.ad-zone{max-width:var(--w-content);margin:24px auto;min-height:90px;background:var(--c-bg);border:1px dashed var(--c-border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--c-text-4);font-size:.72rem;text-align:center;padding:16px}

/* ===== Index: Tool Grid ===== */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;margin:24px 0 28px}
.tool-grid-item{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-xl);padding:26px 28px;text-decoration:none;transition:all .2s ease;position:relative;overflow:hidden}
.tool-grid-item:hover{border-color:var(--c-brand-lighter);box-shadow:var(--shadow-card-hover);transform:translateY(-2px);text-decoration:none}
.tool-grid-item .tool-icon{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex-shrink:0}
.tool-grid-item .tool-icon svg{width:24px;height:24px}
.tool-grid-item h2{font-size:1rem;font-weight:700;color:var(--c-text);margin-bottom:6px}
.tool-grid-item p{font-size:.82rem;color:var(--c-text-3);margin:0;line-height:1.65}

.icon-blue{background:var(--c-brand-wash);color:var(--c-brand)}
.icon-green{background:var(--c-success-bg);color:var(--c-success)}
.icon-amber{background:var(--c-warning-bg);color:var(--c-warning)}

/* ===== Index: Section Cards ===== */
.section-card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-xl);padding:22px 26px;margin-bottom:14px}
.section-card h3{font-size:.92rem;font-weight:700;margin-bottom:12px;color:var(--c-text)}
.tag-pills{display:flex;flex-wrap:wrap;gap:6px}
.tag-pill{display:inline-flex;align-items:center;font-size:.78rem;padding:5px 14px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-2);font-weight:500;transition:all .15s;white-space:nowrap}
.tag-pill:hover{background:var(--c-brand-wash);border-color:var(--c-brand-lighter);color:var(--c-brand);text-decoration:none}

/* ===== Page Meta ===== */
.page-meta{font-size:.78rem;color:var(--c-text-4);margin-bottom:20px}

/* ===== Footer ===== */
.site-footer{background:var(--c-surface);border-top:1.5px solid var(--c-border);margin-top:64px;padding:48px 0 0}
.footer-grid{max-width:var(--w-main);margin:0 auto;padding:0 24px 36px;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:32px;border-bottom:1px solid var(--c-border-light)}
.footer-col h4{font-size:.78rem;font-weight:700;color:var(--c-text);margin-bottom:12px;text-transform:none;letter-spacing:0}
.footer-col a{display:block;font-size:.78rem;color:var(--c-text-3);padding:4px 0;transition:color .15s}
.footer-col a:hover{color:var(--c-brand);text-decoration:none}
.footer-bottom{max-width:var(--w-main);margin:0 auto;padding:20px 24px;text-align:center;font-size:.72rem;color:var(--c-text-4);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer-bottom-links{display:flex;gap:16px}
.footer-bottom-links a{font-size:.72rem;color:var(--c-text-4)}
.footer-bottom-links a:hover{color:var(--c-brand)}

/* ===== Responsive ===== */
@media(max-width:768px){
  .container{padding:0 16px}
  .hero{padding:40px 0 32px}.hero h1{font-size:1.35rem}
  .tool-card{padding:24px;border-radius:var(--radius)}
  .content{padding:28px 0}.content h1{font-size:1.3rem}
  .tool-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .nav-links a{padding:6px 8px;font-size:.7rem}
  .site-header{height:50px}
  .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media print{.site-header,.site-footer,.ad-zone,.nav-links{display:none}body{color:#000;background:#fff}.tool-card{box-shadow:none;border:1px solid #ccc}}

/* ===== 2-Column Portal Layout ===== */
.main-layout{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:start}
.main-content{min-width:0}
.sidebar{position:sticky;top:74px}

/* ===== Category Grid ===== */
.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px}
.cat-card{display:flex;align-items:flex-start;gap:14px;background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:18px 20px;text-decoration:none;color:var(--c-text);transition:all .15s}
.cat-card:hover{border-color:var(--c-brand-lighter);box-shadow:0 4px 12px rgba(0,0,0,.06);text-decoration:none;transform:translateY(-1px)}
.cat-icon{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.cat-body h2{font-size:.95rem;font-weight:700;margin-bottom:3px}
.cat-body p{font-size:.75rem;color:var(--c-text-3);margin:0 0 6px;line-height:1.5}
.cat-count{font-size:.68rem;color:var(--c-text-4);font-weight:600}

/* ===== Section Title ===== */
.section-title{font-size:1.1rem;font-weight:700;margin:28px 0 14px;display:flex;align-items:center;gap:10px}
.section-title::after{content:"";flex:1;height:1px;background:var(--c-border)}

/* ===== Link Cards ===== */
.link-card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:18px 22px;margin-bottom:12px}
.link-card h3{font-size:.88rem;font-weight:700;margin-bottom:10px;color:var(--c-text)}
.link-tags{display:flex;flex-wrap:wrap;gap:6px}
.link-tags a{font-size:.75rem;padding:4px 12px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-2);font-weight:500;transition:all .15s}
.link-tags a:hover{background:var(--c-brand-wash);color:var(--c-brand);border-color:var(--c-brand-lighter);text-decoration:none}

/* ===== Sidebar Cards ===== */
.side-card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:20px;margin-bottom:14px}
.side-card h3{font-size:.85rem;font-weight:700;margin-bottom:12px;padding-bottom:10px;border-bottom:1.5px solid var(--c-border-light);color:var(--c-text)}

.ranked-list{list-style:none;counter-reset:rank;margin:0}
.ranked-list li{counter-increment:rank;padding:6px 0;border-bottom:1px solid var(--c-border-light);font-size:.78rem}
.ranked-list li:last-child{border-bottom:none}
.ranked-list li::before{content:counter(rank);display:inline-block;width:20px;height:20px;background:var(--c-brand-wash);color:var(--c-brand);border-radius:4px;font-size:.7rem;font-weight:800;text-align:center;line-height:20px;margin-right:8px}
.ranked-list a{color:var(--c-text-2)}.ranked-list a:hover{color:var(--c-brand)}

.faq-list{list-style:none;margin:0}
.faq-list li{padding:5px 0;border-bottom:1px solid var(--c-border-light);font-size:.76rem}
.faq-list li:last-child{border-bottom:none}
.faq-list a{color:var(--c-text-2);display:block;padding:3px 0}
.faq-list a:hover{color:var(--c-brand);text-decoration:none}
.faq-list a::before{content:"Q. ";font-weight:700;color:var(--c-brand)}

.update-list{list-style:none;margin:0}
.update-list li{padding:7px 0;border-bottom:1px solid var(--c-border-light);font-size:.75rem;color:var(--c-text-3);line-height:1.5}
.update-list li:last-child{border-bottom:none}
.up-date{display:inline-block;background:var(--c-bg);padding:1px 6px;border-radius:3px;font-size:.68rem;font-weight:700;color:var(--c-text-4);margin-right:6px}

/* ===== Responsive ===== */
@media(max-width:900px){
  .main-layout{grid-template-columns:1fr}
  .sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .category-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .sidebar{grid-template-columns:1fr}
}

/* ===== Hero Stats Bar ===== */
.hero-stats{display:flex;justify-content:center;gap:32px;margin-top:24px;padding-top:20px;border-top:1px solid var(--c-border-light)}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:1.35rem;font-weight:800;color:var(--c-brand);line-height:1.2}
.hero-stat span{display:block;font-size:.68rem;color:var(--c-text-4);margin-top:2px;font-weight:600}
@media(max-width:600px){.hero-stats{gap:20px}.hero-stat strong{font-size:1.15rem}}

/* ===== Content article improvements ===== */
.content article{max-width:var(--w-content);margin:0 auto}
.content article p{font-size:.95rem;line-height:1.9;margin-bottom:1.2em;color:var(--c-text-2)}
.content article strong{color:var(--c-text);font-weight:700}
.content article ul,.content article ol{margin:0 0 1em 1.5em;font-size:.93rem;color:var(--c-text-2)}
.content article li{margin-bottom:.35em;line-height:1.75}
.content article blockquote{margin:20px 0;padding:16px 22px;background:var(--c-brand-wash);border-left:3px solid var(--c-brand);border-radius:0 var(--radius) var(--radius) 0;font-size:.9rem;color:var(--c-text-2);font-style:italic}

/* ===== Back to top ===== */
.back-top{position:fixed;bottom:28px;right:28px;width:42px;height:42px;background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:all .15s;z-index:50;opacity:0;pointer-events:none}
.back-top.visible{opacity:1;pointer-events:auto}
.back-top:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;box-shadow:0 4px 12px rgba(29,78,216,.3)}
.back-top svg{width:18px;height:18px;transition:color .15s}
.back-top:hover svg{color:#fff}

/* ===== Tool page sidebar on wider screens ===== */
@media(min-width:1024px){
  .tool-with-sidebar{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:start}
}

/* ===== Improved mobile reading ===== */
@media(max-width:768px){
  .content article p{font-size:.9rem}
  .content article{font-size:.9rem}
}

/* ===== Subagent-generated content classes — unified styling ===== */

/* Callout / highlight boxes (187 uses) */
.highlight-box,.important-box,.info-box,.summary-box,.note-box,.key-box,.example-box{
  margin:20px 0;padding:16px 22px;border-radius:var(--radius);font-size:.9rem;line-height:1.8;color:var(--c-text-2)
}
.highlight-box{background:var(--c-brand-wash);border:1.5px solid var(--c-brand-lighter)}
.important-box{background:#fef2f2;border:1.5px solid #fecaca}
.info-box{background:#eff6ff;border:1.5px solid #bfdbfe}
.summary-box{background:var(--c-success-bg);border:1.5px solid #a7f3d0}
.note-box{background:var(--c-warning-bg);border:1.5px solid #fde68a}
.key-box{background:#faf5ff;border:1.5px solid #e9d5ff}
.example-box{background:var(--c-bg);border:1.5px solid var(--c-border);font-family:var(--font-mono);font-size:.85rem}

/* Note text (150) */
.note{font-size:.82rem;color:var(--c-text-4);font-style:italic}
.label{font-size:.75rem;color:var(--c-text-4);font-weight:600;text-transform:none;letter-spacing:0}

/* Result card (51) */
.result-card{background:linear-gradient(135deg,var(--c-brand-wash),var(--c-success-bg));border:1.5px solid var(--c-brand-lighter);border-radius:var(--radius-lg);padding:22px 28px;margin:20px 0;text-align:center}
.result-card .amount{font-size:2rem;font-weight:800;color:var(--c-brand);margin:6px 0}
.result-card .label{font-size:.78rem;color:var(--c-text-3)}
.result-card .amount,.result-card .label{display:block;line-height:1.4}

/* Section wrappers */
.content-section{margin:28px 0}
.article-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1.5px solid var(--c-border-light)}
.article-header .meta-desc{font-size:.82rem;color:var(--c-text-4);margin-top:4px}
.lead{font-size:1.05rem;color:var(--c-text-2);line-height:1.9;font-weight:500}
.article-summary{font-size:.9rem;color:var(--c-text-3);line-height:1.8;padding:16px 20px;background:var(--c-bg);border-radius:var(--radius);margin:16px 0}

/* Card grid / generic cards (60) */
.card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:22px;margin-bottom:14px;transition:all .15s}
.card:hover{border-color:var(--c-brand-lighter)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:20px 0}

/* Table helpers */
.table-wrapper,.table-wrap{overflow-x:auto;margin:20px 0;border-radius:var(--radius);border:1px solid var(--c-border)}
.table-wrapper table,.table-wrap table{margin:0;border:none;border-radius:0}
.calc-table,.calc-table table{width:100%;border-collapse:collapse}
.calc-row,.current-row{padding:8px 0;border-bottom:1px solid var(--c-border-light);display:flex;justify-content:space-between}
.calc-row .value,.current-row .value{font-weight:700}
.active-year{background:var(--c-brand-wash)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-full);font-size:.72rem;font-weight:600;color:var(--c-text-3)}

/* Formula display */
.formula,.formula-box{margin:16px 0;padding:14px 20px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius);font-family:var(--font-mono);font-size:.88rem;color:var(--c-text-2);overflow-x:auto;white-space:pre-wrap;word-break:break-all}

/* Steps */
.steps-guide{margin:20px 0}
.step-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--c-border-light);align-items:flex-start}
.step-item:last-child{border-bottom:none}
.step-item::before{content:attr(data-step);flex-shrink:0;width:28px;height:28px;background:var(--c-brand);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800}

/* FAQ section variants */
.faq-section{margin:32px 0}
.faq-section h2{font-size:1.15rem;font-weight:700;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--c-border)}
.faq-list{list-style:none;margin:12px 0;font-size:.85rem}
.faq-list li{padding:6px 0;border-bottom:1px solid var(--c-border-light)}
.faq-list a{color:var(--c-text-2)}.faq-list a:hover{color:var(--c-brand)}
.faq-entry{margin:0;padding:14px 0;border-bottom:1px solid var(--c-border-light)}
.faq-entry:last-child{border-bottom:none}
.faq-entry strong{display:block;color:var(--c-text);margin-bottom:6px}

/* Article meta */
.article-main{margin-top:24px}
.breadcrumb-list{display:flex;align-items:center;gap:4px;font-size:.688rem;color:#9ca3af;list-style:none;margin:0;padding:12px 0;max-width:960px;padding-left:24px;padding-right:24px}
.breadcrumb-list a{color:#9ca3af;transition:color .15s}
.breadcrumb-list a:hover{color:#2563eb}
.breadcrumb-list li::after{content:"/";margin:0 4px;color:#d1d5db}
.breadcrumb-list li:last-child::after{content:none}
.meta-desc{font-size:.82rem;color:var(--c-text-4)}

/* Reality check */
.reality-check{padding:16px 20px;background:#fef2f2;border-left:3px solid #ef4444;border-radius:0 var(--radius) var(--radius) 0;margin:20px 0;font-size:.88rem;color:var(--c-text-2)}

/* Prefecture main (saitei-chingin) */
.prefecture-main{margin:20px auto}


/* Value display */
.value{font-weight:800;color:var(--c-brand)}
.amount{font-weight:800;color:var(--c-brand);font-size:1.1rem}
.amount-label{font-size:.75rem;color:var(--c-text-4)}

.amount-highlight{background:linear-gradient(135deg,var(--c-brand-wash),var(--c-success-bg));border:1.5px solid var(--c-brand-lighter);border-radius:var(--radius-lg);padding:22px 28px;margin:0 0 20px;text-align:center}
.amount-highlight .amount-label{font-size:.75rem;color:var(--c-text-3);margin-bottom:6px}
.amount-number{font-size:2.4rem;font-weight:800;color:var(--c-brand);line-height:1.2}
.amount-unit{font-size:1rem;font-weight:600;color:var(--c-brand);margin-left:2px}
.amount-sub{display:block;font-size:.78rem;color:var(--c-text-4);margin-top:4px}

.article-index{background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius);padding:18px 22px;margin:20px 0}
.article-index h2{font-size:.9rem;font-weight:700;margin-bottom:10px;padding-bottom:0;border-bottom:none;color:var(--c-text)}
.article-index ol{margin:0 0 0 1.2em;font-size:.85rem;color:var(--c-text-2)}
.article-index li{margin-bottom:6px;line-height:1.6}
.article-index a{color:var(--c-brand)}

/* Card variants */
.calc-card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:20px;margin-bottom:14px}
.calc-card h3{font-size:.92rem;margin-bottom:10px}
.calc-basic{background:var(--c-bg);padding:14px 18px;border-radius:var(--radius)}
.calc-detail{margin-top:12px}
.calc-block{padding:16px;background:var(--c-bg);border-radius:var(--radius);margin:12px 0}

/* Rank styling */
.rank-1{color:var(--c-brand);font-weight:800}

/* Site title (used by some subagents) */
.site-title{font-size:1.1rem;font-weight:800;color:var(--c-text)}

/* Related (used by some subagents) */
.related{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:12px 0;padding:0}
.related a{font-size:.8rem;padding:4px 12px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-2);transition:all .15s}
.related a:hover{background:var(--c-brand-wash);color:var(--c-brand);border-color:var(--c-brand-lighter);text-decoration:none}

/* Current row highlight */
.current-row{background:var(--c-brand-wash);font-weight:700}

/* ================================================================
   ICHIRAN (記事一覧) — Card-based article directory
   ================================================================ */
.ichiran-hero{background:linear-gradient(180deg,var(--c-brand-wash) 0%,var(--c-bg) 100%);padding:44px 0 32px;text-align:center;border-bottom:1px solid var(--c-border-light)}
.ichiran-hero h1{font-size:1.5rem;margin-bottom:8px}
.ichiran-hero p{font-size:.88rem;color:var(--c-text-3);max-width:520px;margin:0 auto}

.ichiran-grid{display:grid;grid-template-columns:1fr;gap:8px;padding:32px 0 48px}
.ichiran-group{margin-bottom:10px}
.ichiran-group-title{font-size:.88rem;font-weight:700;color:var(--c-text-2);padding:10px 0 8px;border-bottom:1.5px solid var(--c-border);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.ichiran-group-title::before{content:"";display:block;width:3px;height:16px;background:var(--c-brand);border-radius:2px}
.ichiran-group-title .count{font-size:.72rem;font-weight:500;color:var(--c-text-4);margin-left:auto}
.ichiran-list{list-style:none;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:5px}
.ichiran-list li{padding:0}
.ichiran-list a{display:block;padding:10px 14px;border-radius:var(--radius);font-size:.85rem;color:var(--c-text-2);line-height:1.5;transition:all .15s;border:1px solid transparent}
.ichiran-list a:hover{background:var(--c-brand-wash);color:var(--c-brand);border-color:var(--c-brand-lighter);text-decoration:none}

/* ================================================================
   ARTICLE — Content page reading experience
   ================================================================ */
.article{margin:0 auto;padding:24px 0 48px}
.article-lead{font-size:1.05rem;color:var(--c-text-2);line-height:1.9;margin-bottom:28px;padding-bottom:20px;border-bottom:1.5px solid var(--c-border-light)}
.article-body{font-size:.95rem;line-height:1.95;color:var(--c-text-2)}
.article-body p{margin-bottom:1.3em}
.article-body h2{font-size:1.15rem;margin:36px 0 14px;padding-bottom:10px;border-bottom:2px solid var(--c-border)}
.article-body h3{font-size:1.02rem;margin:24px 0 10px;color:var(--c-text)}
.article-body strong{color:var(--c-text);font-weight:700}
.article-body em{font-style:italic;color:var(--c-text-3)}
.article-body blockquote{margin:20px 0;padding:14px 20px;border-left:3px solid var(--c-brand);background:var(--c-brand-wash);font-size:.9rem;border-radius:0 var(--radius) var(--radius) 0}
.article-body ul,.article-body ol{margin:0 0 1em 1.5em}
.article-body li{margin-bottom:.4em;line-height:1.8}

/* Article header metadata */
.article-meta{display:flex;align-items:center;gap:14px;font-size:.78rem;color:var(--c-text-4);margin-bottom:20px;flex-wrap:wrap}
.article-meta span{display:inline-flex;align-items:center;gap:4px}
.article-category{display:inline-flex;align-items:center;padding:3px 10px;background:var(--c-brand-wash);color:var(--c-brand);border-radius:var(--radius-full);font-size:.72rem;font-weight:600}

/* FAQ inside articles */
.article-faq{margin:36px 0;padding:24px;background:var(--c-bg);border-radius:var(--radius-lg);border:1.5px solid var(--c-border)}
.article-faq h2{font-size:1.1rem;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--c-border)}
.article-faq .faq-item{background:var(--c-surface)}

/* Responsive ichiran */
@media(max-width:768px){
  .ichiran-list{grid-template-columns:1fr}
  .article-body{font-size:.9rem}
}

/* ================================================================
   Enhanced article reading experience
   ================================================================ */
/* Wider reading area for articles on desktop */
.content{max-width:var(--w-content);margin:0 auto;padding:36px 0}

/* Clean article intro */
.content > h1{margin-bottom:4px;color:var(--c-text);font-size:1.55rem;letter-spacing:-0.01em}
.content > h1 + p{font-size:1.02rem;color:var(--c-text-3);line-height:1.9;margin-bottom:28px;padding-bottom:20px;border-bottom:1.5px solid var(--c-border-light)}

/* Article section spacing */
.content section{margin:36px 0}
.content section:first-of-type{margin-top:20px}

/* Pull quotes / emphasis */
.content em{font-style:italic;color:var(--c-text);background:linear-gradient(transparent 60%,var(--c-brand-lighter) 60%)}

/* Key-value data rows */
.content dl{margin:20px 0;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:.9rem}
.content dt{font-weight:700;color:var(--c-text);white-space:nowrap}
.content dd{color:var(--c-text-2);margin:0}

/* Clean ordered/unordered lists */
.content ul,.content ol{padding-left:1.5em}
.content ul li::marker{color:var(--c-brand)}
.content ol li::marker{color:var(--c-brand);font-weight:700}

/* Space between consecutive sections */
.content section + section{margin-top:0}

/* ====== Improved data tables ====== */
.content table caption{font-size:.85rem;font-weight:700;color:var(--c-text);padding:10px 16px;text-align:left;background:var(--c-brand-wash);border-bottom:1px solid var(--c-border)}
.content table tbody tr:last-child td{border-bottom:none}
.content table tfoot td{background:var(--c-bg);font-weight:700;border-top:2px solid var(--c-border)}

/* ====== Print ====== */
@media print{
  .site-header,.site-footer,.ad-zone,.nav-links,.related-links,.sidebar{display:none}
  body{font-size:12pt;color:#000;background:#fff;line-height:1.6}
  .content{max-width:100%;padding:0}
  .content h1{font-size:18pt}
  .content h2{font-size:14pt}
  table{border:1px solid #ccc}
  th,td{border:1px solid #ccc;padding:6px 10px}
}

/* ================================================================
   UNIVERSAL CONTENT PAGE FALLBACKS
   Handles all subagent-generated markup variations
   ================================================================ */

/* Style bare <header> blocks as hero-like sections */
body > header:not(.site-header){display:block;background:linear-gradient(180deg,var(--c-brand-wash) 0%,var(--c-bg) 100%);padding:44px 16px 32px;text-align:center;border-bottom:1px solid var(--c-border-light)}
body > header:not(.site-header) h1{font-size:1.45rem;font-weight:800;margin-bottom:8px}
body > header:not(.site-header) p{font-size:.9rem;color:var(--c-text-3);max-width:600px;margin:0 auto}

/* ===== Article content — universal ===== */
/* Any <article> gets proper reading formatting */
article{max-width:740px;margin:0 auto;padding:32px 16px 48px}
article > h1{font-size:1.55rem;font-weight:800;color:var(--c-text);margin-bottom:8px;letter-spacing:-0.02em;line-height:1.4}
article > h1 + p{font-size:1.02rem;color:var(--c-text-3);line-height:1.9;margin-bottom:28px;padding-bottom:20px;border-bottom:1.5px solid var(--c-border-light)}

/* Section spacing */
article section{margin:36px 0}
article section h2{font-size:1.15rem;font-weight:700;margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid var(--c-border);color:var(--c-text)}
article section h3{font-size:1rem;font-weight:700;margin:20px 0 10px;color:var(--c-text)}
article section p{font-size:.95rem;line-height:1.9;color:var(--c-text-2);margin-bottom:1.1em}
article section strong{color:var(--c-text);font-weight:700}

/* ===== DL-based FAQ (used by some subagents) ===== */
article dl{margin:24px 0}
article dl dt{font-weight:700;font-size:.9rem;color:var(--c-text);padding:12px 0 4px;border-top:1.5px solid var(--c-border);margin-top:8px}
article dl dt:first-of-type{border-top:none;margin-top:0}
article dl dd{font-size:.88rem;line-height:1.85;color:var(--c-text-2);margin:0 0 8px;padding-bottom:8px}

/* ===== Bare <ul> as related links ===== */
article > section:last-of-type ul,
article > section:last-child ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:16px 0 0}
article > section:last-of-type ul li,
article > section:last-child ul li{padding:0}
article > section:last-of-type ul a,
article > section:last-child ul a{font-size:.82rem;padding:7px 16px;background:var(--c-bg);border:1.5px solid var(--c-border);border-radius:var(--radius-full);color:var(--c-text-2);text-decoration:none;display:inline-block;transition:all .15s}
article > section:last-of-type ul a:hover,
article > section:last-child ul a:hover{background:var(--c-brand-wash);color:var(--c-brand);border-color:var(--c-brand-lighter);text-decoration:none}

/* ===== <main> with container padding ===== */
article table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.88rem;border:1px solid var(--c-border);border-radius:var(--radius-lg);overflow:hidden}
article th{background:var(--c-brand-wash);color:var(--c-text);font-weight:700;font-size:.76rem;text-align:left;padding:12px 16px;border-bottom:1px solid var(--c-border)}
article td{padding:11px 16px;border-bottom:1px solid var(--c-border-light);color:var(--c-text-2);background:var(--c-surface)}
article tr:last-child td{border-bottom:none}
article caption{font-size:.85rem;font-weight:700;color:var(--c-text);padding:10px 16px;text-align:left;background:var(--c-brand-wash);border-bottom:1px solid var(--c-border)}

/* ===== <main> with container padding ===== */
main > .container + * {padding-top:0}

/* ===== Responsive articles ===== */
 @media(max-width:768px){
   article{padding:24px 16px 40px}
   article > h1{font-size:1.3rem}
   article section p{font-size:.9rem}
 }


/* ================================================================
   PAGE SIDEBAR — static sidebar on content pages
   ================================================================ */
main.with-sidebar{display:flex;gap:24px;max-width:var(--w-main);margin:0 auto;padding:24px;align-items:start}
.article-wrap{flex:1;min-width:0}
.page-sidebar{width:220px;flex-shrink:0;position:sticky;top:74px}
.page-sidebar .side-card{background:var(--c-surface);border:1.5px solid var(--c-border);border-radius:var(--radius-lg);padding:16px;margin-bottom:10px}
.page-sidebar .side-card h3{font-size:.8rem;font-weight:700;color:var(--c-text);margin-bottom:10px;padding-bottom:8px;border-bottom:1.5px solid var(--c-border-light)}
.side-links{list-style:none;margin:0;padding:0}
.side-links li{margin:0}
.side-links a{display:block;padding:6px 10px;font-size:.76rem;color:var(--c-text-2);border-radius:var(--radius);transition:all .15s;line-height:1.4}
.side-links a:hover{background:var(--c-brand-wash);color:var(--c-brand);text-decoration:none}

/* mobile: sidebar below */
@media(max-width:900px){
  main.with-sidebar{flex-direction:column;padding:16px}
  .page-sidebar{width:100%;position:static}
}