:root{--bg:#f6f5f1;--surface:#fff;--ink:#151c33;--muted:#586078;--line:#dcd8cd;--band:#161e38;--band-2:#212b4d;--band-line:#34406a;--on-band:#f2eee5;--on-band-muted:#adb4c9;--gold:#c4a468;--gold-ink:#86672a;--focus:#2f6fde;--chip-a-bg:#f3e7c8;--chip-a-fg:#7a5a14;--chip-b-bg:#dfe6f5;--chip-b-fg:#2f4c86;--chip-c-bg:#dcefe2;--chip-c-fg:#256645;--display:"Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK JP", serif;--body:"Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans CJK JP", sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e1322;--surface:#161c31;--ink:#ebe7dd;--muted:#a0a7bc;--line:#2a3354;--band:#1a2342;--band-2:#232e55;--band-line:#3a4775;--on-band:#f2eee5;--on-band-muted:#adb4c9;--gold:#c9aa6e;--gold-ink:#cdae72;--focus:#7aa7ff;--chip-a-bg:#3d3216;--chip-a-fg:#e6c987;--chip-b-bg:#1f2c4f;--chip-b-fg:#a9c0ee;--chip-c-bg:#173524;--chip-c-fg:#9fd6b4;--lightningcss-light: 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strong{color:var(--gold);font-variant-numeric:tabular-nums;font-size:clamp(3rem,8vw,4.75rem)}.price-num em{margin-left:.15em;font-size:1.5rem;font-style:normal}.faq{border-top:1px solid var(--line);max-width:46rem}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:1.15rem 2rem 1.15rem 0;font-weight:700;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";color:var(--gold-ink);position:absolute;top:1.15rem;right:.25rem}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);padding:0 0 1.25rem}.contact{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);align-items:start;gap:clamp(2rem,5vw,4rem);display:grid}form{background:var(--surface);border:1px solid 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