@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap";
:root{--green-900:#1a3a2a;--green-800:#1e4a34;--green-700:#256040;--green-600:#2d7a50;--green-100:#f0f7f3;--gold-500:#c9a84c;--gold-400:#d4b86a;--red-600:#bf0000;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-600:#4b5563;--gray-700:#374151;--gray-900:#111827;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--gray-50);color:var(--gray-900);-webkit-font-smoothing:antialiased;font-family:Noto Sans JP,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.header{background:linear-gradient(135deg,var(--green-900)0%,var(--green-800)100%);border-bottom:3px solid var(--gold-500);z-index:100;padding:0 1.5rem;position:sticky;top:0;box-shadow:0 2px 12px #00000040}.header-inner{justify-content:space-between;align-items:center;max-width:1100px;height:64px;margin:0 auto;display:flex}.header-logo{flex-direction:column;display:flex}.header-logo-title{color:var(--gold-400);letter-spacing:.05em;font-size:1.2rem;font-weight:700}.header-logo-sub{color:#fff9;letter-spacing:.08em;font-size:.65rem}.header-nav{gap:1.5rem;display:flex}.header-nav a{color:#ffffffd9;font-size:.85rem;font-weight:500;transition:color .2s}.header-nav a:hover{color:var(--gold-400)}.hero{background:linear-gradient(135deg,var(--green-800)0%,var(--green-700)60%,var(--green-600)100%);text-align:center;padding:4rem 1.5rem 3rem;position:relative;overflow:hidden}.hero:before{content:"¥";color:#ffffff08;pointer-events:none;font-size:20rem;font-weight:700;line-height:1;position:absolute;top:-3rem;right:5%}.hero-inner{max-width:700px;margin:0 auto;position:relative}.hero-badge{background:var(--gold-500);color:var(--green-900);letter-spacing:.1em;text-transform:uppercase;border-radius:20px;margin-bottom:1rem;padding:4px 14px;font-size:.7rem;font-weight:700;display:inline-block}.hero-title{color:var(--white);margin-bottom:1rem;font-size:clamp(1.5rem,4vw,2.4rem);font-weight:700;line-height:1.4}.hero-title span{color:var(--gold-400)}.hero-desc{color:#fffc;max-width:500px;margin:0 auto;font-size:.95rem}.main-wrapper{max-width:1100px;margin:0 auto;padding:2.5rem 1.5rem 4rem}.section-title{color:var(--green-800);border-bottom:3px solid var(--gold-500);align-items:center;gap:.5rem;margin-bottom:2rem;padding-bottom:.75rem;font-size:1.2rem;font-weight:700;display:flex}.article-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;display:grid}.article-card{background:var(--white);border:1px solid var(--gray-200);border-radius:12px;transition:transform .2s,box-shadow .2s;overflow:hidden;box-shadow:0 2px 8px #0000000f}.article-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px #0000001f}.article-card-thumbnail{object-fit:cover;background:linear-gradient(135deg,var(--green-100),var(--gray-100));width:100%;height:180px;color:var(--green-600);justify-content:center;align-items:center;font-size:3rem;display:flex}.article-card-body{padding:1.25rem}.article-card-category{background:var(--green-100);color:var(--green-700);letter-spacing:.05em;border-radius:12px;margin-bottom:.6rem;padding:3px 10px;font-size:.7rem;font-weight:700;display:inline-block}.article-card-title{color:var(--gray-900);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.5rem;font-size:.95rem;font-weight:700;line-height:1.5;display:-webkit-box;overflow:hidden}.article-card-excerpt{color:var(--gray-600);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.75rem;font-size:.8rem;line-height:1.6;display:-webkit-box;overflow:hidden}.article-card-date{color:var(--gray-600);font-size:.72rem}.article-detail-wrapper{max-width:780px;margin:0 auto;padding:2rem 1.5rem 4rem}.article-header{margin-bottom:2rem}.article-category-badge{background:var(--green-100);color:var(--green-700);border-radius:16px;margin-bottom:1rem;padding:4px 14px;font-size:.75rem;font-weight:700;display:inline-block}.article-title{color:var(--gray-900);margin-bottom:1rem;font-size:clamp(1.3rem,3vw,2rem);font-weight:700;line-height:1.45}.article-meta{color:var(--gray-600);flex-wrap:wrap;gap:1.5rem;margin-bottom:1.5rem;font-size:.8rem;display:flex}.article-tags{flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;display:flex}.article-tag{background:var(--gray-100);color:var(--gray-700);border-radius:10px;padding:3px 10px;font-size:.72rem}.article-thumbnail{object-fit:cover;background:linear-gradient(135deg,var(--green-100),var(--gray-100));border-radius:12px;justify-content:center;align-items:center;width:100%;height:300px;margin-bottom:2rem;font-size:5rem;display:flex}.article-content{color:var(--gray-700);font-size:1rem;line-height:1.85}.article-content h2{color:var(--green-800);border-bottom:2px solid var(--green-100);margin:2.5rem 0 1rem;padding-bottom:.5rem;font-size:1.4rem;font-weight:700}.article-content h3{color:var(--gray-900);margin:2rem 0 .75rem;font-size:1.1rem;font-weight:700}.article-content p{margin-bottom:1.4rem}.article-content ul,.article-content ol{margin:1rem 0 1.4rem 1.5rem}.article-content li{margin-bottom:.4rem}.article-content table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:.9rem}.article-content th{background:var(--green-800);color:#fff;text-align:left;padding:10px 14px;font-weight:700}.article-content td{border-bottom:1px solid var(--gray-200);padding:9px 14px}.article-content tr:nth-child(2n) td{background:var(--gray-50)}.article-content blockquote{border-left:4px solid var(--gold-500);background:var(--gray-50);color:var(--gray-600);margin:1.5rem 0;padding:.75rem 1.25rem;font-style:italic}.article-content code{background:var(--gray-100);border-radius:4px;padding:2px 6px;font-family:monospace;font-size:.875em}.article-content pre{background:var(--gray-900);color:#e5e7eb;border-radius:8px;margin:1.5rem 0;padding:1.25rem;overflow-x:auto}.article-content pre code{color:inherit;background:0 0;padding:0}.article-content strong{color:var(--gray-900);font-weight:700}.back-btn{color:var(--green-700);align-items:center;gap:.4rem;margin-bottom:1.5rem;font-size:.85rem;font-weight:500;transition:gap .2s;display:inline-flex}.back-btn:hover{gap:.2rem}.footer{background:var(--green-900);border-top:3px solid var(--gold-500);text-align:center;color:#fff9;padding:2.5rem 1.5rem;font-size:.8rem}.footer-title{color:var(--gold-400);margin-bottom:.5rem;font-size:1rem;font-weight:700}.footer-disclaimer{color:#fff6;max-width:600px;margin-top:1rem;margin-left:auto;margin-right:auto;font-size:.72rem}@media (max-width:640px){.header-nav{display:none}.article-grid{grid-template-columns:1fr}.article-thumbnail{height:200px}}