:root{color-scheme:light;--bg: #f7f5f0;--bg-alt: #f0eee7;--card: #ffffff;--text: #1b1b1b;--muted: #6b6b6b;--accent: #1f6f5c;--accent-strong: #155545;--border: rgba(27, 27, 27, .12);--border-soft: rgba(27, 27, 27, .08);--shadow: 0 18px 40px rgba(13, 14, 18, .08);--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px;--max-width: 980px;--content-width: 720px;--gutter: clamp(16px, 2.4vw, 28px);--section-space: clamp(36px, 4.6vw, 64px)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Noto Sans JP,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic Medium,Yu Gothic,sans-serif;color:var(--text);background:radial-gradient(1200px 520px at 12% -10%,rgba(31,111,92,.14),transparent 60%),radial-gradient(900px 420px at 90% -20%,rgba(52,98,86,.12),transparent 55%),var(--bg);letter-spacing:.01em}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:hover{color:var(--accent-strong)}main{padding:0 var(--gutter) var(--section-space)}.container{max-width:var(--max-width);margin:0 auto}.section{margin-top:var(--section-space)}.section-tight{margin-top:clamp(20px,3vw,32px)}.section-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}.section-header h2{margin:0;font-size:clamp(22px,2.6vw,28px)}.section-header a{font-size:14px;color:var(--muted)}.hero{padding:clamp(44px,9vw,110px) 0 clamp(28px,4.8vw,56px)}.hero h1{font-size:clamp(34px,4.2vw,52px);line-height:1.15;margin:0 0 18px;letter-spacing:.02em}.hero p{max-width:640px;font-size:clamp(16px,1.8vw,18px);line-height:1.65;margin:0 0 28px;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px}.button{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:999px;border:1px solid var(--border);background:var(--card);font-size:14px;font-weight:600;letter-spacing:.02em;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;box-shadow:0 8px 20px #0e13140f}.button:hover{transform:translateY(-1px);border-color:var(--accent);box-shadow:0 10px 24px #0e13141a}.button.primary{background:var(--accent);color:#fff;border-color:transparent}.button.primary:hover{background:var(--accent-strong)}.card{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;padding:clamp(16px,1.8vw,20px);border-radius:var(--radius-lg);background:var(--card);border:1px solid var(--border-soft);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease}.card:hover{transform:translateY(-2px);border-color:var(--border)}.card-title{font-size:clamp(18px,2vw,22px);margin:0 0 8px;letter-spacing:.01em}.card-description{margin:0;color:var(--muted);line-height:1.55}.card-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--muted)}.card .tag-list{margin-top:8px}.card-thumb{width:100%;border-radius:var(--radius-md);border:1px solid var(--border-soft);aspect-ratio:16 / 9;object-fit:cover}.list-stack{display:grid;gap:14px}.tag-list{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;border:1px solid var(--border-soft);font-size:12px;letter-spacing:.02em;color:var(--muted);background:var(--bg-alt)}.prose{max-width:var(--content-width);line-height:1.7;color:var(--text)}.prose p{margin:0 0 .9em}.prose h2{margin-top:2.6em;margin-bottom:.6em;font-size:22px}.prose a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.page-title{margin:0 0 18px;font-size:clamp(28px,3.2vw,38px)}.page-lede{margin:0 0 28px;max-width:680px;color:var(--muted);line-height:1.6}.site-header{position:sticky;top:0;z-index:10;background:#f7f5f0e6;backdrop-filter:blur(12px);border-bottom:1px solid var(--border-soft)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:var(--max-width);margin:0 auto;padding:16px var(--gutter)}.brand{font-weight:700;letter-spacing:.04em;text-transform:lowercase}.nav{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}.nav a{padding:6px 12px;border-radius:999px;color:var(--muted);transition:color .2s ease,background .2s ease}.nav a[aria-current=page]{color:var(--text);background:var(--bg-alt)}.site-footer{padding:32px var(--gutter) 48px;border-top:1px solid var(--border-soft);color:var(--muted);font-size:13px}.footer-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}.footer-links{display:inline-flex;align-items:center;gap:14px}.footer-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;transition:color .2s ease}.footer-link:hover{color:var(--accent-strong)}.footer-link svg{width:20px;height:20px}@media(max-width:720px){.header-inner,.hero-actions{flex-direction:column;align-items:flex-start}}.filter-banner{display:none;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;margin-bottom:18px;border:1px solid var(--border-soft);border-radius:var(--radius-md);background:var(--card);box-shadow:var(--shadow)}.filter-banner.is-active{display:flex}.filter-info{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.filter-clear{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--text);background:var(--bg-alt)}[data-card-link]{cursor:pointer}.skip-link[data-astro-cid-sckkx6r4]{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link[data-astro-cid-sckkx6r4]:focus{left:var(--gutter);top:16px;width:auto;height:auto;padding:8px 12px;background:var(--card);border-radius:999px;border:1px solid var(--border);z-index:100}