.logo[data-astro-cid-tvrurpns]{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none}.logo__mark[data-astro-cid-tvrurpns]{width:var(--logo-size);height:var(--logo-size);flex:none}.logo__word[data-astro-cid-tvrurpns]{font-size:calc(var(--logo-size) * .62);font-weight:700;letter-spacing:-.01em;line-height:1}.header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:#ffffffe6;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}.header__brand[data-astro-cid-3ef6ksr2]{text-decoration:none}.header__nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:clamp(.9rem,2vw,1.8rem)}.header__nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:clamp(.9rem,2vw,1.6rem)}.header__nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-decoration:none;font-size:.92rem;font-weight:600;color:var(--text)}.header__nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.header__nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--violet)}.header__cta[data-astro-cid-3ef6ksr2]{padding:.6rem 1.25rem;font-size:.88rem}@media(max-width:640px){.header__nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{display:none}}.footer[data-astro-cid-sz7xmlte]{background:var(--ink);color:#c9c9d2;padding-block:clamp(2.5rem,2rem + 2vw,3.5rem) 1.5rem;margin-top:var(--gap-section)}.footer__inner[data-astro-cid-sz7xmlte]{display:grid;gap:2rem}@media(min-width:760px){.footer__inner[data-astro-cid-sz7xmlte]{grid-template-columns:1fr auto;align-items:start}}.footer__desc[data-astro-cid-sz7xmlte]{margin-top:.9rem;font-size:.85rem;line-height:1.9}.footer__nav[data-astro-cid-sz7xmlte]{display:grid;gap:1.5rem 3rem}@media(min-width:520px){.footer__nav[data-astro-cid-sz7xmlte]{grid-template-columns:repeat(2,auto)}}.footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{text-decoration:none;font-size:.85rem;line-height:2.2}.footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff;text-decoration:underline}.footer__base[data-astro-cid-sz7xmlte]{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:.6rem}.footer__base[data-astro-cid-sz7xmlte] small[data-astro-cid-sz7xmlte]{font-size:.74rem;line-height:1.8;color:#8f8f9c}.footer__tm[data-astro-cid-sz7xmlte]{max-width:60ch}:root{--ink: #0b0b0f;--violet: #5b5bf7;--violet-soft: #eeeefe;--violet-line: #d5d5fb;--bg: #ffffff;--bg-tint: #f6f6fb;--line: #e6e6ee;--text: #1c1c22;--text-muted: #5b5b68;--font: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;--text-hero: clamp(1.75rem, 1.1rem + 2.6vw, 3rem);--text-section: clamp(1.35rem, 1.05rem + 1.2vw, 1.9rem);--text-body: clamp(.95rem, .92rem + .15vw, 1.02rem);--gap-section: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);--radius: 14px;--shell: 1120px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:var(--text-body);line-height:1.85;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.4;letter-spacing:.01em;margin:0;color:var(--ink)}p{margin:0}a{color:inherit}img,svg{max-width:100%;height:auto;display:block}ul,ol{margin:0;padding:0;list-style:none}.shell{width:min(100% - 2.5rem,var(--shell));margin-inline:auto}.section{padding-block:var(--gap-section)}.section--tint{background:var(--bg-tint)}.section__head{text-align:center;margin-bottom:clamp(2rem,1.4rem + 2vw,3rem)}.section__title{font-size:var(--text-section)}.section__lead{margin-top:.9rem;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.95rem 1.9rem;border-radius:999px;font-weight:700;text-decoration:none;border:1.5px solid transparent;transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease}.btn:hover{transform:translateY(-2px)}.btn:focus-visible{outline:3px solid var(--violet);outline-offset:3px}.btn--primary{background:var(--violet);color:#fff}.btn--primary:hover{background:#4a4ae8}.btn--ghost{border-color:var(--violet-line);color:var(--ink);background:#fff}.btn--ghost:hover{border-color:var(--violet);color:var(--violet)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}.grid{display:grid;gap:1.1rem}@media(min-width:700px){.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}}@media(min-width:980px){.grid--4{grid-template-columns:repeat(4,1fr)}}@media(min-width:700px)and (max-width:979px){.grid--4{grid-template-columns:repeat(2,1fr)}}.prose h2{font-size:1.35rem;margin-top:2.6rem;margin-bottom:.9rem;padding-left:.8rem;border-left:4px solid var(--violet)}.prose h3{font-size:1.1rem;margin-top:2rem;margin-bottom:.6rem}.prose p,.prose ul,.prose ol{margin-bottom:1.2rem}.prose ul{list-style:disc;padding-left:1.4rem}.prose ol{list-style:decimal;padding-left:1.4rem}.prose a{color:var(--violet)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.skip[data-astro-cid-37fxchfa]{position:absolute;left:-9999px}.skip[data-astro-cid-37fxchfa]:focus{left:1rem;top:1rem;z-index:100;background:#fff;padding:.6rem 1rem;border-radius:8px;border:2px solid var(--violet)}