:root{--primary: #10b981;--primary-dark: #059669;--primary-light: #d1fae5;--secondary: #0284c7;--accent: #f59e0b;--accent-light: #fef3c7;--dark: #0f172a;--dark-surface: #1e293b;--text-main: #334155;--text-dark: #0f172a;--text-muted: #64748b;--bg-light: #f8fafc;--bg-card: #ffffff;--border: #e2e8f0;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 10px 25px -5px rgba(16, 185, 129, .1), 0 8px 10px -6px rgba(0, 0, 0, .04);--shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, .12);--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading: "Plus Jakarta Sans", "Noto Sans JP", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-light);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-dark);font-weight:700;line-height:1.35}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{position:sticky;top:0;z-index:100;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:12px 0}.nav-container{display:flex;justify-content:space-between;align-items:center;gap:20px}.logo{font-weight:900;font-size:1.4rem;color:var(--dark);white-space:nowrap}.nav-links{display:flex;gap:24px;align-items:center}.nav-link{font-weight:600;color:var(--text-dark);transition:color .2s ease;font-size:.95rem;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--primary-dark)}.nav-btn{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:10px 20px;border-radius:50px;font-weight:700;font-size:.9rem;box-shadow:0 4px 12px #10b98140;transition:transform .2s,box-shadow .2s;white-space:nowrap}.nav-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #10b98159}.mobile-toggle{display:none;background:transparent;padding:6px;border-radius:var(--radius-sm)}.mobile-drawer{display:flex;flex-direction:column;gap:12px;padding:16px 20px 20px;background:#fff;border-top:1px solid var(--border);margin-top:12px;box-shadow:0 10px 15px -3px #00000014}.mobile-link{font-weight:700;font-size:1.05rem;color:var(--text-dark);padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-light)}.mobile-link.active{background:var(--primary-light);color:var(--primary-dark)}.hero{position:relative;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:60px 0 70px;overflow:hidden;border-radius:0 0 24px 24px}.hero-bg-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 80% 20%,rgba(16,185,129,.25) 0%,transparent 60%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;position:relative;z-index:1}.hero-tag{display:inline-flex;align-items:center;gap:8px;background:#10b98126;border:1px solid rgba(16,185,129,.4);color:#34d399;padding:6px 16px;border-radius:50px;font-size:.9rem;font-weight:700;margin-bottom:20px}.hero-title{font-size:2.6rem;font-weight:900;color:#fff;line-height:1.3;margin-bottom:18px;letter-spacing:-.01em}.hero-title span{background:linear-gradient(135deg,#34d399,#38bdf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-desc{font-size:1.05rem;color:#cbd5e1;margin-bottom:28px;line-height:1.7}.hero-cta-group{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}.hero-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:800;font-size:.98rem;transition:all .25s ease}.hero-btn.primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 8px 20px #10b98159}.hero-btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 25px #10b98173}.hero-btn.secondary{background:#ffffff1f;color:#fff;border:1px solid rgba(255,255,255,.25);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hero-btn.secondary:hover{background:#fff3;transform:translateY(-2px)}.hero-highlights{display:flex;flex-direction:column;gap:10px}.hero-highlight-item{display:flex;align-items:center;gap:8px;font-size:.92rem;color:#94a3b8;font-weight:600}.hero-image-wrapper{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 40px #0006;border:2px solid rgba(255,255,255,.15)}.hero-image-wrapper img{width:100%;height:380px;object-fit:cover;display:block}.section{padding:60px 0}.section-header{text-align:center;max-width:750px;margin:0 auto 40px}.section-subtitle{color:var(--primary-dark);font-weight:800;text-transform:uppercase;letter-spacing:.05em;font-size:.9rem;margin-bottom:8px;display:block}.section-title{font-size:2.1rem;color:var(--text-dark);margin-bottom:14px}.section-desc{color:var(--text-muted);font-size:1.05rem}.target-tabs{display:flex;justify-content:center;gap:12px;margin-bottom:36px;flex-wrap:wrap}.target-tab{background:#fff;border:2px solid var(--border);padding:12px 20px;border-radius:50px;font-weight:700;font-size:.95rem;color:var(--text-dark);display:flex;align-items:center;gap:8px;transition:all .25s ease;box-shadow:var(--shadow-sm)}.target-tab:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px)}.target-tab.active{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-color:var(--primary-dark)}.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}.article-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.article-img-container{position:relative;height:200px;overflow:hidden}.article-img-container img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.article-card:hover .article-img-container img{transform:scale(1.05)}.article-tag{position:absolute;top:14px;left:14px;background:#0f172ad9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:50px}.article-content{padding:24px;display:flex;flex-direction:column;flex-grow:1}.article-title{font-size:1.18rem;line-height:1.45;margin-bottom:12px;color:var(--text-dark);font-weight:800}.article-excerpt{font-size:.92rem;color:var(--text-main);line-height:1.6;margin-bottom:20px;flex-grow:1}.article-footer{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--text-muted);border-top:1px solid var(--border);padding-top:14px}.read-more{color:var(--primary-dark);font-weight:800;display:flex;align-items:center;gap:4px}.article-page{padding:40px 0 80px}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-muted);margin-bottom:24px}.breadcrumb-link{color:var(--primary-dark);font-weight:700}.article-header{margin-bottom:32px}.article-header-tag{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-weight:800;font-size:.85rem;padding:4px 14px;border-radius:50px;margin-bottom:14px}.article-header-title{font-size:2.3rem;color:var(--text-dark);line-height:1.35;margin-bottom:16px;font-weight:900}.article-meta{display:flex;gap:18px;font-size:.9rem;color:var(--text-muted)}.article-hero-img{width:100%;max-height:440px;object-fit:cover;border-radius:var(--radius-md);margin-bottom:40px;box-shadow:var(--shadow-md)}.article-body{font-size:1.08rem;line-height:1.9;color:#1e293b;max-width:860px;margin:0 auto}.article-body h2{font-size:1.55rem;margin:44px 0 20px;padding:12px 18px;background:#f0fdf4;border-left:6px solid var(--primary-dark);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-dark);line-height:1.4}.article-body h3{font-size:1.28rem;margin:32px 0 14px;color:var(--text-dark);border-bottom:2px solid var(--primary-light);padding-bottom:6px;line-height:1.4}.article-body p{margin-bottom:22px}.article-body ul,.article-body ol{margin:0 0 24px 24px}.article-body li{margin-bottom:8px}.diagnosis-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:36px}.step-title{font-size:1.25rem;color:var(--text-dark);margin-bottom:20px;text-align:center}.option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.option-btn{background:var(--bg-light);border:2px solid var(--border);padding:20px;border-radius:var(--radius-md);text-align:left;display:flex;align-items:center;gap:16px;transition:all .25s ease}.option-btn:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}.option-icon{font-size:1.8rem}.option-text{font-weight:700;font-size:.98rem;color:var(--text-dark);line-height:1.4}.reset-btn{display:inline-flex;align-items:center;gap:8px;background:#f1f5f9;color:var(--text-dark);padding:10px 20px;border-radius:50px;font-weight:700;font-size:.9rem;transition:background .2s}.reset-btn:hover{background:#e2e8f0}.footer{background:var(--dark);color:#94a3b8;padding:60px 0 30px;margin-top:60px;border-top:1px solid var(--dark-surface)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand{font-size:1.6rem;font-weight:900;color:#fff;margin-bottom:12px}.footer-desc{font-size:.92rem;line-height:1.7;max-width:400px}.footer-title{color:#fff;font-size:1.05rem;margin-bottom:18px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:.92rem}.footer-links a:hover{color:#34d399}.footer-bottom{border-top:1px solid var(--dark-surface);padding-top:24px;text-align:center;font-size:.85rem}@media (max-width: 900px){.hero-grid{grid-template-columns:1fr}.hero-image-wrapper img{height:280px}.desktop-only{display:none}.mobile-toggle{display:block}.footer-grid{grid-template-columns:1fr;gap:30px}}