:root{--color-primary: #0f766e;--color-primary-hover: #115e59;--color-primary-soft: #f0fdfa;--color-accent: #2563eb;--color-accent-soft: #eff6ff;--color-positive: #15803d;--color-positive-soft: #f0fdf4;--color-negative: #b91c1c;--color-negative-soft: #fef2f2;--color-warning: #b45309;--color-warning-soft: #fffbeb;--color-text-strong: #0f172a;--color-text-base: #334155;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-surface: #ffffff;--color-surface-alt: #f1f5f9;--color-bg: #f7fbfa;--font-size-numeric-hero: 2.5rem;--font-size-numeric-large: 2rem;--font-size-numeric-medium: 1.5rem;--font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;--font-size-h1: 2.5rem;--font-size-h2: 1.875rem;--font-size-h3: 1.5rem;--font-size-h4: 1.25rem;--font-size-body-lg: 1.125rem;--font-size-body: 1rem;--font-size-small: .875rem;--font-size-caption: .75rem;--line-height-h1: 1.2;--line-height-h2: 1.27;--line-height-h3: 1.33;--line-height-body: 1.75;--line-height-small: 1.57;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--container-max: 1120px;--container-padding: 20px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--border-default: 1px solid var(--color-border);--color-primary-dark: var(--color-primary-hover);--color-secondary: #10b981;--color-danger: #ef4444;--color-text: var(--color-text-base);--color-bg-subtle: var(--color-surface-alt);--radius: var(--radius-md);--shadow: var(--shadow-sm);--font-sans: var(--font-family)}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-family);color:var(--color-text-base);background:var(--color-bg);font-size:16px;line-height:var(--line-height-body)}body{margin:0;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.3;margin:0 0 .75rem;color:var(--color-text-strong)}main h1{font-size:var(--font-size-h1);line-height:var(--line-height-h1);font-weight:700}main h2{font-size:var(--font-size-h2);line-height:var(--line-height-h2);font-weight:700}main h3{font-size:var(--font-size-h3);line-height:var(--line-height-h3);font-weight:700}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}.card{background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-lg)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-body);font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s}.btn-primary:hover{background:var(--color-primary-hover);text-decoration:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;background:transparent;color:var(--color-primary);border:2px solid var(--color-primary);border-radius:var(--radius-md);font-size:var(--font-size-body);font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s}.btn-secondary:hover{background:var(--color-primary-soft);text-decoration:none}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:var(--radius-sm);font-size:var(--font-size-small);font-weight:600}.badge-positive{background:var(--color-positive-soft);color:var(--color-positive)}.badge-negative{background:var(--color-negative-soft);color:var(--color-negative)}.badge-warning{background:var(--color-warning-soft);color:var(--color-warning)}.badge-accent{background:var(--color-accent-soft);color:var(--color-accent)}.badge-green{background:#d1fae5;color:#065f46}.badge-red{background:#fee2e2;color:#991b1b}.badge-gray{background:#f3f4f6;color:#374151}.badge-blue{background:#dbeafe;color:#1e40af}main table{width:100%;border-collapse:collapse;font-size:var(--font-size-small)}main th{text-align:left;padding:var(--space-sm) var(--space-md);background:var(--color-surface-alt);border-bottom:2px solid var(--color-border);font-weight:600;color:var(--color-text-strong)}main td{padding:var(--space-sm) var(--space-md);border-bottom:var(--border-default)}main tr:hover td{background:var(--color-primary-soft)}.section{margin-bottom:var(--space-3xl)}.numeric-hero{font-size:var(--font-size-numeric-hero);font-weight:700;line-height:1.2;letter-spacing:-.02em;font-feature-settings:"tnum";color:var(--color-text-strong)}.numeric-large{font-size:var(--font-size-numeric-large);font-weight:700;line-height:1.25;letter-spacing:-.02em;font-feature-settings:"tnum";color:var(--color-text-strong)}.numeric-medium{font-size:var(--font-size-numeric-medium);font-weight:700;line-height:1.3;letter-spacing:-.01em;font-feature-settings:"tnum";color:var(--color-text-strong)}.judgment-card{position:relative;background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm)}.judgment-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--color-primary);border-radius:var(--radius-lg) var(--radius-lg) 0 0}.kpi-row{display:flex;flex-wrap:wrap;border:var(--border-default);border-radius:var(--radius-md);overflow:hidden;background:var(--color-surface-alt);margin-top:var(--space-lg)}.kpi-item{flex:1;min-width:90px;padding:var(--space-md);text-align:center;background:var(--color-surface);border-right:var(--border-default)}.kpi-item:last-child{border-right:none}.kpi-label{font-size:var(--font-size-caption);color:var(--color-text-muted);margin-bottom:var(--space-xs);display:block}.kpi-value{font-weight:700;font-feature-settings:"tnum"}.trust-bar{display:flex;flex-wrap:wrap;background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-top:var(--space-xl);overflow:hidden}.trust-item{flex:1;min-width:140px;text-align:center;padding:var(--space-md) var(--space-lg);border-right:var(--border-default)}.trust-item:last-child{border-right:none}.trust-value{display:block;font-weight:700;font-feature-settings:"tnum";color:var(--color-text-strong)}.trust-label{display:block;font-size:var(--font-size-caption);color:var(--color-text-muted);margin-top:2px}.hero-compare{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-md);align-items:center;margin:var(--space-xl) 0}.hero-city-card{background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg)}.hero-city-card.winning{border:2px solid var(--color-primary);background:var(--color-primary-soft)}.hero-city-name{font-size:var(--font-size-body-lg);font-weight:700;color:var(--color-text-strong);margin-bottom:var(--space-xs)}.hero-city-age{font-size:var(--font-size-small);color:var(--color-text-muted)}.hero-diff-center{text-align:center;padding:0 var(--space-sm)}.hero-diff-label{font-size:var(--font-size-caption);color:var(--color-text-muted);display:block;margin-bottom:var(--space-xs)}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-sm) var(--space-md);padding-top:.75rem;padding-bottom:.75rem}.header-logo{font-weight:700;font-size:1.05rem;color:var(--color-text-strong);white-space:nowrap;flex-shrink:0}.header-logo:hover{text-decoration:none;color:var(--color-primary)}.header-nav{display:flex;align-items:center;gap:var(--space-sm)}.header-nav a{font-size:.875rem;font-weight:600;color:var(--color-text-base);padding:.375rem .75rem;border-radius:var(--radius-sm);transition:background .15s,color .15s;white-space:nowrap}.header-nav a:hover{background:var(--color-primary-soft);color:var(--color-primary);text-decoration:none}.stat-bar{display:flex;flex-wrap:wrap;gap:var(--space-md);margin:var(--space-xl) 0 0;padding-top:var(--space-xl);border-top:1px solid rgba(15,118,110,.2)}.stat-item{display:flex;flex-direction:column-reverse;gap:.125rem;margin:0}.stat-value{font-size:1.75rem;font-weight:700;color:var(--color-primary);line-height:1;margin:0}.stat-label{font-size:.75rem;color:var(--color-text-muted);margin:0}.container-wide{max-width:1200px}.trust-item{font-size:var(--font-size-small);color:var(--color-text-base);font-weight:500}.trust-value-num{font-size:var(--font-size-numeric-medium);font-weight:700;color:var(--color-primary);font-feature-settings:"tnum";letter-spacing:-.01em;vertical-align:middle;line-height:1}.hero-h1{font-size:var(--font-size-h1)}.hero-sub{font-size:var(--font-size-body-lg)}.compare-diff-hero{font-size:3rem;font-weight:700;line-height:1.2;letter-spacing:-.02em;font-feature-settings:"tnum"}.feature-card-diff{font-size:.875rem;font-weight:700;color:var(--color-positive);font-feature-settings:"tnum"}.ranking-table{display:block}.ranking-cards{display:none}.ranking-card{display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-md);background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-md);margin-bottom:var(--space-sm)}.ranking-card-rank{min-width:2.5rem;text-align:center;flex-shrink:0;padding-top:2px}.ranking-card-body{flex:1}.ranking-card-name{font-weight:700;margin-bottom:4px;display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem}.ranking-card-pref{font-size:var(--font-size-caption);color:var(--color-text-muted);font-weight:400}.ranking-card-ages{font-size:var(--font-size-small);color:var(--color-text-base);margin-bottom:var(--space-xs)}.ranking-card-badges{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md)}.feature-card{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-lg);background:var(--color-surface);border:var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow .15s,border-color .15s;text-decoration:none;color:inherit}.feature-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);text-decoration:none}.feature-card-icon{font-size:1.5rem}.feature-card-title{font-weight:700;font-size:var(--font-size-body);color:var(--color-text-strong)}.feature-card-desc{font-size:var(--font-size-small);color:var(--color-text-muted);line-height:1.5}.disclaimer{font-size:var(--font-size-caption);color:var(--color-text-muted);border-top:1px solid var(--color-border);margin-top:var(--space-2xl);padding-top:var(--space-md);line-height:1.8}.disclaimer a{color:var(--color-primary)}.hero{background:var(--color-primary-soft);border-radius:var(--radius-lg);padding:var(--space-2xl) var(--space-xl);margin-bottom:var(--space-2xl)}.hero h1{margin-bottom:var(--space-md);color:var(--color-text-strong)}.compare-table{display:block;overflow-x:auto}.compare-cards{display:none}.compare-row-card{margin-bottom:var(--space-md)}.compare-row-card:last-child{margin-bottom:0}.compare-row-label{font-weight:600;font-size:var(--font-size-small);color:var(--color-text-muted);margin-bottom:var(--space-sm);text-transform:uppercase;letter-spacing:.05em}.compare-row-values{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-sm);align-items:center}.compare-row-val{font-size:var(--font-size-body)}.compare-row-diff-badge{font-size:var(--font-size-caption);font-weight:600;text-align:center;padding:2px 8px;border-radius:var(--radius-sm);white-space:nowrap}@media(max-width:768px){.header-nav a{padding:.375rem .5rem;font-size:.8rem}.stat-bar{gap:var(--space-lg)}.stat-value{font-size:1.5rem}.feature-grid{grid-template-columns:1fr}.compare-table{display:none}.compare-cards{display:block}main h1{font-size:1.5rem}main h2{font-size:1.25rem}main h3{font-size:1.1rem}.hero{padding:var(--space-xl) var(--space-md)}.hero-h1{font-size:1.5rem}.hero-sub{font-size:.875rem}.btn-primary,.btn-secondary{height:44px;font-size:.9rem}.trust-bar{flex-direction:column}.trust-item{border-right:none;border-bottom:var(--border-default);width:100%;text-align:left;padding:var(--space-sm) var(--space-md)}.trust-item:last-child{border-bottom:none}.hero-compare{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.hero-compare>:nth-child(1){grid-column:1;grid-row:2}.hero-compare>:nth-child(2){grid-column:1 / -1;grid-row:1}.hero-compare>:nth-child(3){grid-column:2;grid-row:2}.ranking-table{display:none}.ranking-cards{display:block}.compare-diff-hero{font-size:2.5rem}}@media(max-width:640px){.container{padding:0 var(--space-md)}.header-nav{gap:0}.hero-compare{grid-template-columns:1fr;grid-template-rows:auto}.hero-compare>:nth-child(1){grid-column:1;grid-row:2}.hero-compare>:nth-child(2){grid-column:1;grid-row:1}.hero-compare>:nth-child(3){grid-column:1;grid-row:3}.kpi-row{flex-direction:column}.kpi-item{border-right:none;border-bottom:var(--border-default)}.kpi-item:last-child{border-bottom:none}.numeric-hero{font-size:2rem}}