:root{--bg: #f5f2ec;--bg-elevated: #fffcf7;--surface: #ffffff;--line: rgba(36, 32, 27, .09);--line-strong: rgba(36, 32, 27, .16);--text: #1c1a16;--muted: #6a6560;--accent: #8a6842;--accent-soft: rgba(138, 104, 66, .1);--shadow: 0 1px 2px rgba(36, 32, 27, .04), 0 8px 24px rgba(36, 32, 27, .04);--font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;--font-display: "Syne", "Noto Sans JP", sans-serif;--font-latin: "Source Sans 3", "Noto Sans JP", sans-serif;--space: clamp(1.25rem, 4vw, 2.5rem);--max: 1120px;--header: 4.25rem;--radius: 16px;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip;overflow-y:auto}html,body{margin:0;padding:0;max-width:100%}body{min-height:100vh;min-width:0;overflow-wrap:break-word;background:radial-gradient(900px 480px at 50% -8%,rgba(138,104,66,.09),transparent 58%),linear-gradient(180deg,#f8f5ef 0%,var(--bg) 32%);color:var(--text);font-family:var(--font-sans);font-size:16px;font-weight:400;line-height:1.8;letter-spacing:.02em;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}img,svg,video{display:block;max-width:100%;height:auto}a{color:inherit}h1,h2,h3,p{margin:0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:1rem;top:-4rem;z-index:100;padding:.6rem 1rem;background:var(--text);color:var(--bg);text-decoration:none;font-size:.875rem}.skip-link:focus{top:1rem}.site-header,main,.site-footer{position:relative;z-index:1;min-width:0;max-width:100%}.site-header{position:sticky;top:0;z-index:20;height:var(--header);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease}.site-header.is-scrolled{background:#f5f2ecdb;border-bottom-color:var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:.75rem;width:min(var(--max),calc(100% - 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