:root{--green:#4a7c59;--green-mid:#6a9e77;--green-pale:#eaf3ec;--green-soft:#f3f8f4;--sage:#c8dcc9;--text:#333;--text-mid:#555;--text-light:#888;--white:#fff;--offwhite:#fafaf8;--border:#ddeadf;--radius:14px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,sans-serif;color:var(--text);background:var(--white);line-height:1.9;font-weight:300}header{position:fixed;top:0;width:100%;z-index:100;background:#fffffff7;border-bottom:1px solid var(--border);padding:0 max(5%,calc((100% - 1400px)/2));height:72px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 12px #4a7c5914}.logo{font-family:"Noto Serif JP",serif;color:var(--green);font-size:1.45rem;letter-spacing:.04em;line-height:1.3;font-weight:700;text-decoration:none}.logo span{font-size:.67rem;font-weight:300;color:var(--text-light);display:block;letter-spacing:.1em}nav{display:flex;gap:1.5rem;align-items:center}nav a{color:var(--text-mid);text-decoration:none;font-size:.8rem;letter-spacing:.06em;transition:color .2s}nav a:hover{color:var(--green)}nav a.active{color:var(--green);font-weight:500}.nav-cta{background:var(--green)!important;color:var(--white)!important;padding:8px 20px;border-radius:20px;font-weight:500!important}.nav-cta:hover{background:var(--green-mid)!important}.page-hero{padding:120px 5% 50px;background:linear-gradient(160deg,#f5faf6,#fff 60%,#fdf8f3);border-bottom:1px solid var(--border)}.page-hero-inner{max-width:900px;margin:0 auto;animation:fadeUp .7s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.breadcrumb{font-size:.75rem;color:var(--text-light);margin-bottom:1.2rem}.breadcrumb a{color:var(--green);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.breadcrumb span{margin:0 .5rem}.page-hero h1{font-family:"Noto Serif JP",serif;font-size:clamp(1.4rem,3.5vw,2.4rem);font-weight:400;color:#1e3528;letter-spacing:.04em;margin-bottom:.7rem}.page-hero p{font-size:1rem;color:var(--text-mid);line-height:2}.blog-section{padding:60px 5% 100px;background:var(--offwhite)}.blog-inner{max-width:900px;margin:0 auto}.category-nav{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.5rem}.cat-btn{padding:7px 18px;border-radius:20px;font-size:.88rem;letter-spacing:.06em;cursor:pointer;border:1.5px solid var(--border);background:var(--white);color:var(--text-mid);font-family:Noto Sans JP,sans-serif;transition:all .2s}.cat-btn:hover,.cat-btn.active{background:var(--green);color:var(--white);border-color:var(--green)}.post-list{display:grid;gap:1.4rem}.post-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:2rem 2.2rem;display:grid;grid-template-columns:1fr auto;gap:0 1.5rem;align-items:start;transition:all .3s;text-decoration:none;color:inherit;cursor:pointer}.post-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px #4a7c591f;border-color:var(--sage)}.post-meta{display:flex;gap:.8rem;align-items:center;margin-bottom:.7rem;flex-wrap:wrap}.post-date{font-size:.82rem;color:var(--text-light);letter-spacing:.06em}.post-cat{background:var(--green-pale);color:var(--green);font-size:.82rem;padding:3px 12px;border-radius:10px;border:1px solid var(--sage)}.post-title{font-family:"Noto Serif JP",serif;font-size:1.12rem;color:#1e3528;font-weight:400;line-height:1.75;margin-bottom:.6rem}.post-excerpt{font-size:.95rem;color:var(--text-mid);line-height:2}.post-arrow{color:var(--green-mid);font-size:1.2rem;align-self:center;flex-shrink:0}.empty-msg{text-align:center;padding:4rem;color:var(--text-light);font-size:.9rem;line-height:2}.post-hero{padding:120px 5% 50px;background:linear-gradient(160deg,#f5faf6,#fff 60%,#fdf8f3);border-bottom:1px solid var(--border)}.post-hero-inner{max-width:760px;margin:0 auto;animation:fadeUp .7s ease both}.post-hero h1{font-family:"Noto Serif JP",serif;font-size:clamp(1.35rem,3.5vw,2rem);font-weight:400;color:#1e3528;letter-spacing:.03em;line-height:1.65}.post-cat-tag{background:var(--green-pale);color:var(--green);font-size:.72rem;padding:3px 12px;border-radius:10px;border:1px solid var(--sage)}.article-wrap{padding:60px 5% 100px;background:var(--offwhite)}.article-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 240px;gap:3rem;align-items:start}.article-body{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:2.5rem 2.8rem}.article-body h1,.article-body h2{font-family:"Noto Serif JP",serif;font-weight:400;color:#1e3528;margin:2.2rem 0 .9rem;padding-left:.9rem;border-left:3px solid var(--green);line-height:1.7}.article-body h1{font-size:1.2rem}.article-body h2{font-size:1.1rem}.article-body h3{font-family:"Noto Serif JP",serif;font-size:.97rem;font-weight:400;color:var(--green);margin:1.8rem 0 .7rem}.article-body p{font-size:.88rem;color:var(--text-mid);line-height:2.1;margin-bottom:1.2rem}.article-body ul,.article-body ol{padding-left:1.4rem;margin-bottom:1.2rem}.article-body li{font-size:.88rem;color:var(--text-mid);line-height:2;margin-bottom:.3rem}.article-body a{color:var(--green);text-decoration:underline}.article-body strong{font-weight:500;color:#1e3528}.article-body img{max-width:100%;border-radius:8px;margin:1rem 0}.article-body blockquote{border-left:3px solid var(--sage);padding:.8rem 1.2rem;background:var(--green-soft);margin:1.5rem 0;border-radius:0 8px 8px 0}.article-body blockquote p{margin:0;font-size:.85rem;color:var(--text-mid)}.article-body hr{border:none;border-top:1px dashed var(--border);margin:2rem 0}.article-body table{width:100%;border-collapse:collapse;font-size:.85rem;margin-bottom:1.2rem}.article-body th{background:var(--green-soft);padding:.6rem .8rem;border:1px solid var(--border);font-weight:500;text-align:left}.article-body td{padding:.6rem .8rem;border:1px solid var(--border)}.article-author{margin-top:2.5rem;padding-top:2rem;border-top:1px dashed var(--border);display:flex;gap:1rem;align-items:center}.author-icon{width:44px;height:44px;border-radius:50%;background:var(--green-pale);border:1.5px solid var(--sage);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}.author-name{font-size:.82rem;color:#1e3528;font-weight:500}.author-title{font-size:.75rem;color:var(--text-light)}.sidebar-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);padding:1.6rem;margin-bottom:1.4rem}.sidebar-card h4{font-family:"Noto Serif JP",serif;font-size:.85rem;color:#1e3528;font-weight:400;margin-bottom:1rem;padding-bottom:.6rem;border-bottom:1px dashed var(--border)}.sidebar-cta{background:linear-gradient(135deg,var(--green-pale),var(--green-soft));border:1.5px solid var(--sage)}.sidebar-cta p{font-size:.82rem;color:var(--text-mid);line-height:1.9;margin-bottom:1rem}.sidebar-btn{display:block;background:var(--green);color:var(--white);text-align:center;padding:10px;border-radius:20px;text-decoration:none;font-size:.82rem;font-weight:500;letter-spacing:.06em;transition:background .2s}.sidebar-btn:hover{background:var(--green-mid)}.back-link{display:inline-flex;align-items:center;gap:.4rem;color:var(--green);font-size:.82rem;text-decoration:none;padding:.5rem 0}.back-link:hover{text-decoration:underline}footer{background:#1e3528;color:#ffffff73;padding:2.5rem 5%;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}.footer-logo{font-family:"Noto Serif JP",serif;color:#ffffffbf;font-size:1rem;line-height:1.6}.footer-info{font-size:.88rem;line-height:1.9}.footer-links{font-size:.72rem;width:100%;text-align:center;margin-bottom:.3rem}.footer-links a{color:#ffffff80;text-decoration:none;margin:0 .8rem}.footer-links a:hover{color:#fffc}.footer-copy{font-size:.82rem;width:100%;text-align:center;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.1);margin-top:.5rem}@media (max-width:768px){header nav a:not(.nav-cta){display:none}header nav .nav-cta{display:none}.article-inner{grid-template-columns:1fr}.article-body{padding:1.8rem 1.5rem}.post-card{grid-template-columns:1fr;padding:1.4rem 1.2rem}.post-arrow{display:none}.logo{font-size:1rem!important}.logo span{display:none}.page-hero,.post-hero{padding:96px 5% 36px}.hamburger{display:block}}.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px 4px;color:var(--green);font-size:1.55rem;line-height:1;margin-left:auto}.mobile-nav{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;z-index:99;border-bottom:3px solid var(--border);box-shadow:0 6px 24px #4a7c5921}.mobile-nav a{display:block;padding:15px 6%;font-size:.96rem;color:var(--text-mid);text-decoration:none;border-bottom:1px solid var(--border);letter-spacing:.04em}.mobile-nav a:hover,.mobile-nav a.active{color:var(--green);background:#eaf3ec}.mobile-nav .m-cta{background:var(--green)!important;color:#fff!important;text-align:center;font-weight:500;margin:12px 6%;border-radius:24px;border-bottom:none!important}.mobile-nav.open{display:block}.mobile-overlay{display:none;position:fixed;inset:0;z-index:98;background:#00000040}.mobile-overlay.open{display:block}