:root{--color-primary: #3F6B4E;--color-primary-dark: #2E4F3A;--color-primary-tint: #E9F0E7;--color-secondary: #B3A071;--color-secondary-dark: #8C7B4E;--color-bg: #FAF9F6;--color-surface: #FFFFFF;--color-surface-alt: #F3F1EB;--color-text: #2E382F;--color-text-muted: #67716A;--color-text-faint: #9AA29B;--color-border: #E4E0D4;--font-body: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;--font-heading: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", "Times New Roman", serif;--shadow-soft: 0 4px 20px rgba(63, 107, 78, .1);--shadow-card: 0 1px 3px rgba(63, 107, 78, .08);--shadow-lift: 0 12px 28px rgba(63, 107, 78, .14);--box-shadow: var(--shadow-card);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-sm: var(--space-3);--space-md: var(--space-5);--space-lg: var(--space-6);--wide: 1040px;--prose-width: 42em}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text);line-height:1.8;font-feature-settings:"palt" 1;line-break:strict;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}::selection{background:var(--color-primary-tint);color:var(--color-primary-dark)}:where(a,button,input,textarea,select,summary):focus-visible{outline:2px solid var(--color-secondary);outline-offset:3px;border-radius:2px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-primary-dark);letter-spacing:.04em;line-height:1.6;text-wrap:balance}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-secondary-dark)}.prose,.post-content,.entry-content{max-width:var(--prose-width);margin-left:auto;margin-right:auto}.prose{font-size:1.02rem;line-height:1.95}.prose h2{font-size:1.45rem;margin:var(--space-7) 0 var(--space-md);padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.prose h3{font-size:1.2rem;margin:var(--space-6) 0 var(--space-md)}.prose p{margin:0 0 1.6rem}.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.6rem}.prose li{margin-bottom:.5rem}.prose strong{color:var(--color-primary-dark);font-weight:700}.prose img{max-width:100%;height:auto;border-radius:var(--radius-md)}.prose blockquote{margin:1.6rem 0;padding:1rem 1.4rem;border-left:3px solid var(--color-secondary);background:var(--color-surface-alt);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--color-text-muted)}.prose hr{border:none;border-top:1px solid var(--color-border);margin:2.5rem 0}.prose code{font-size:.9em;background:var(--color-surface-alt);padding:.15em .4em;border-radius:var(--radius-sm)}.prose pre{background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1rem 1.2rem;overflow-x:auto}.prose pre code{background:transparent;padding:0}.prose a:not(.btn):not(.share-btn):not(.related-card){border-bottom:1px solid var(--color-secondary)}.prose a:not(.btn):not(.share-btn):not(.related-card):hover{border-color:var(--color-primary)}.container{max-width:var(--wide);margin:0 auto;padding:0 var(--space-md)}.page-main{max-width:var(--wide);margin:0 auto;padding:var(--space-7) var(--space-md)}.site-header{position:sticky;top:0;z-index:100;background:#faf9f6e6;backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);max-width:var(--wide);margin:0 auto;padding:.9rem var(--space-md)}.site-title{margin:0;font-size:1.22rem;letter-spacing:.06em}.site-title a{color:var(--color-primary-dark);text-decoration:none;font-weight:600}.site-title a:hover{color:var(--color-primary)}.site-nav-links{display:flex;gap:1.6rem}.nav-link{color:var(--color-text-muted);font-size:.95rem;letter-spacing:.04em;padding:.25em 0}.nav-link:hover{color:var(--color-primary)}.nav-link.active{color:var(--color-primary-dark);font-weight:600;box-shadow:inset 0 -2px 0 var(--color-secondary)}@media(max-width:720px){.site-nav{flex-direction:column;gap:var(--space-2);padding:.75rem var(--space-md)}.site-nav-links{flex-wrap:wrap;justify-content:center;gap:1.1rem}}.site-footer{margin-top:var(--space-8);padding:var(--space-7) var(--space-md) var(--space-8);background:var(--color-primary-dark);color:#ffffffd9;text-align:center;font-size:.9rem}.site-footer:before{content:"";display:block;width:40px;height:2px;background:var(--color-secondary);margin:0 auto var(--space-5)}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:1.5rem;margin-bottom:1.2rem}.footer-links a{color:#fffc;transition:color .2s ease,border-color .2s ease}.footer-links a:hover{color:#fff;border-bottom:1px solid var(--color-secondary)}.footer-copy{margin:0;color:#ffffff8c;font-size:.8rem}.btn{display:inline-block;background-color:var(--color-primary);color:#fff;padding:.7em 1.6em;border:1px solid transparent;border-radius:var(--radius-md);font-weight:600;letter-spacing:.05em;transition:background-color .2s ease,box-shadow .2s ease,transform .2s ease}.btn:hover{background-color:var(--color-primary-dark);color:#fff;box-shadow:var(--shadow-soft);transform:translateY(-1px)}.btn:active{transform:scale(.98)}.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary-tint);color:var(--color-primary-dark);box-shadow:none}.tag{display:inline-block;background:transparent;border:1px solid var(--color-border);color:var(--color-text-muted);font-size:.78rem;padding:.15em .7em;border-radius:var(--radius-sm);line-height:1.6;transition:background-color .2s ease,color .2s ease,border-color .2s ease}a.tag:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}.section-title{font-size:1.6rem;font-weight:600;text-align:center;letter-spacing:.12em;margin:0 0 var(--space-7)}.section-title:after{content:"";display:block;width:44px;height:2px;background:var(--color-secondary);margin:.8em auto 0}.page-heading{font-size:clamp(1.6rem,3.5vw,2rem);text-align:center;margin:0 0 1.6rem}.page-header{text-align:center;padding:clamp(2.5rem,6vw,4rem) var(--space-md);margin-bottom:var(--space-7);background:var(--color-surface-alt);border:1px solid var(--color-border);border-bottom:3px solid var(--color-primary);border-radius:var(--radius-lg)}.page-header .page-title{margin:0 0 .6rem;font-size:clamp(1.6rem,4vw,2.2rem);color:var(--color-primary-dark)}.page-header .page-description{margin:0;color:var(--color-text-muted);font-size:1.02rem}.hero{position:relative;text-align:center;padding:clamp(3.5rem,8vw,6rem) var(--space-md) clamp(3rem,6vw,5rem);margin-bottom:var(--space-8);background:radial-gradient(120% 85% at 50% -10%,#F0F4EC 0%,var(--color-bg) 60%);border-bottom:1px solid var(--color-border);overflow:hidden}.hero-content{position:relative;max-width:760px;margin:0 auto}.hero-kicker{display:block;font-size:.8rem;font-weight:600;letter-spacing:.32em;color:var(--color-secondary-dark);margin-bottom:1.4rem}.hero h1{font-size:clamp(2rem,5vw,3.1rem);font-weight:600;line-height:1.45;color:var(--color-primary-dark);margin:0 0 1.2rem}.hero p{font-size:1.05rem;color:var(--color-text-muted);max-width:40em;margin:0 auto 2rem;line-height:1.9}.hero-cats{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}.hero-cats a{background:#ffffffa6;border:1px solid var(--color-border);color:var(--color-primary);font-size:.85rem;padding:.45em 1.2em;border-radius:var(--radius-sm);letter-spacing:.04em;transition:background-color .2s ease,border-color .2s ease,color .2s ease}.hero-cats a:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.cat-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:var(--space-6)}.cat-nav a{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-primary);font-size:.88rem;font-weight:500;padding:.4em 1.1em;border-radius:var(--radius-sm);transition:background-color .2s ease,color .2s ease,border-color .2s ease}.cat-nav a:hover{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.post-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--color-secondary)}.post-card a{text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}.post-image{width:100%;height:200px;object-fit:cover;display:block}.post-content{padding:1.5rem 1.6rem;flex-grow:1;display:flex;flex-direction:column;gap:.5rem}.post-date{font-size:.78rem;letter-spacing:.08em;color:var(--color-text-faint)}.post-title{font-size:1.2rem;font-weight:600;color:var(--color-text);margin:0;line-height:1.6}.post-card:hover .post-title{color:var(--color-primary-dark)}.post-desc{font-size:.9rem;color:var(--color-text-muted);margin:0;line-height:1.8}.post-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:auto;padding-top:.6rem}.featured-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:var(--space-8)}.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;list-style:none;margin:0;padding:0}.featured-grid>.post-card:first-child,.post-grid>.post-card:first-child{grid-column:1 / -1}.post-card--lead>a{flex-direction:row}.post-card--lead .post-image{width:55%;height:auto;align-self:stretch}.post-card--lead .post-content{flex:1;padding:clamp(1.5rem,4vw,2.5rem);justify-content:center}.post-card--lead .post-title{font-size:clamp(1.3rem,2.5vw,1.7rem)}.post-card--lead .post-desc{font-size:.98rem}@media(max-width:720px){.featured-grid,.post-grid{grid-template-columns:1fr}.post-card--lead>a{flex-direction:column}.post-card--lead .post-image{width:100%;height:200px}}.post-list{display:grid;grid-template-columns:1fr;list-style:none;margin:0;padding:0;border-top:1px solid var(--color-border)}.post-list li{border-bottom:1px solid var(--color-border)}.post-list-item{display:grid;grid-template-columns:150px 1fr;gap:1.4rem;align-items:center;padding:1.3rem .6rem;text-decoration:none;color:inherit;transition:background-color .2s ease}.post-list-item:hover{background:var(--color-primary-tint)}.post-list-item .post-image{width:150px;height:100px;border-radius:var(--radius-md)}.post-list-item .post-content{padding:0;gap:.4rem}.post-list-item .post-title{font-size:1.05rem}.post-list-item:hover .post-title{color:var(--color-primary-dark)}@media(max-width:720px){.post-list-item{grid-template-columns:96px 1fr;gap:1rem;padding:1.1rem .4rem}.post-list-item .post-image{width:96px;height:72px}}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}