@import "https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@500;700&family=Noto+Sans+JP:wght@400;500&display=swap";:root{--color-bg:#f6f1e7;--color-bg-card:#fffdf8;--color-text:#3a352c;--color-text-muted:#6f6656;--color-primary:#4b6a45;--color-primary-dark:#33492f;--color-accent:#b06a35;--color-border:#ddd2b8;--font-serif:"Noto Serif JP", serif;--font-sans:"Noto Sans JP", sans-serif;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.8}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-accent);text-decoration:underline}h1,h2,h3,h4{font-family:var(--font-serif);color:var(--color-primary-dark);margin:0 0 .6em;line-height:1.5}img{border-radius:6px;max-width:100%;height:auto;display:block}.prose img{object-fit:contain;width:auto;max-height:70vh;margin:1.6rem auto}.site-wrapper{flex-direction:column;min-height:100vh;display:flex}.site-header{border-bottom:1px solid var(--color-border);background-color:var(--color-bg-card)}.site-header__inner{justify-content:space-between;align-items:baseline;gap:1rem;max-width:760px;margin:0 auto;padding:1.6rem 1.5rem;display:flex}.site-title{font-family:var(--font-serif);color:var(--color-primary-dark);letter-spacing:.02em;font-size:1.3rem;font-weight:700}.site-title a{color:inherit}.site-title a:hover{color:var(--color-accent);text-decoration:none}.site-header__right{flex-wrap:wrap;justify-content:flex-end;align-items:baseline;gap:1rem;display:flex}.site-tagline{color:var(--color-text-muted);font-size:.85rem}.lang-switch{color:var(--color-primary-dark);border:1px solid var(--color-border);white-space:nowrap;border-radius:999px;padding:.2rem .75rem;font-size:.8rem}.lang-switch:hover{color:var(--color-accent);border-color:var(--color-accent);text-decoration:none}main{flex:1;width:100%;max-width:760px;margin:0 auto;padding:2.5rem 1.5rem 4rem}.site-footer{border-top:1px solid var(--color-border);background-color:var(--color-bg-card);color:var(--color-text-muted);text-align:center;padding:1.8rem 1.5rem;font-size:.8rem}.page-lead{color:var(--color-text-muted);margin-bottom:2.2rem}.post-list{flex-direction:column;gap:1.6rem;margin:0;padding:0;list-style:none;display:flex}.post-card{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:10px;padding:1.4rem 1.6rem;transition:border-color .15s,transform .15s}.post-card:hover{border-color:var(--color-primary);transform:translateY(-2px)}.post-card__date{color:var(--color-accent);letter-spacing:.03em;font-size:.8rem}.post-card__title{margin:.3rem 0 .5rem;font-size:1.25rem}.post-card__title a{color:var(--color-primary-dark)}.post-card__description{color:var(--color-text-muted);margin:0 0 .6rem;font-size:.95rem}.tag-list{flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.tag{color:var(--color-primary-dark);background-color:#e9e3d1;border-radius:999px;padding:.15rem .7rem;font-size:.75rem}.post-header{border-bottom:1px solid var(--color-border);margin-bottom:2rem;padding-bottom:1.6rem}.post-header__date{color:var(--color-accent);font-size:.85rem}.post-header__title{margin:.4rem 0 .8rem;font-size:1.9rem}.post-header__description{color:var(--color-text-muted);margin:0 0 .8rem}.back-link{color:var(--color-text-muted);margin-bottom:2rem;font-size:.9rem;display:inline-block}.back-link:hover{color:var(--color-accent)}.toc{background-color:var(--color-bg-card);border:1px solid var(--color-border);border-radius:10px;margin-bottom:2.2rem;padding:1.2rem 1.6rem}.toc__title{font-family:var(--font-serif);color:var(--color-primary-dark);margin:0 0 .6rem;font-size:.95rem;font-weight:700}.toc ul{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.toc a{color:var(--color-text);font-size:.92rem}.toc a:hover{color:var(--color-accent)}.toc__level-3{padding-left:1.2rem;font-size:.88rem}.prose h2{margin-top:2.2rem;font-size:1.4rem}.prose h3{margin-top:1.8rem;font-size:1.15rem}.prose p{margin:0 0 1.2rem}.prose hr{border:none;border-top:1px solid var(--color-border);margin:2.2rem 0}.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.4rem}.prose blockquote{border-left:3px solid var(--color-primary);color:var(--color-text-muted);margin:1.4rem 0;padding:.2rem 1.2rem}