:root{--bg: #ffffff;--bg-soft: #f5f6f8;--ink: #14171c;--ink-soft: #3a4049;--muted: #69727f;--line: #e7e9ee;--accent: #2b54e6;--accent-ink: #1d3bb0;--hero-bg: #0c0f15;--hero-ink: #f4f6fa;--hero-muted: #9aa6b8;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Noto Sans SC", "Microsoft YaHei", Meiryo, system-ui, sans-serif;--font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;--container: 72rem;--reading: 46rem;--radius: 14px;--pad-x: clamp(1.25rem, 5vw, 3rem);--fs-hero: clamp(2.2rem, 1.4rem + 3.6vw, 4rem);--fs-h2: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem);--fs-h3: clamp(1.1rem, .98rem + .6vw, 1.35rem);--fs-lead: clamp(1.05rem, .96rem + .5vw, 1.3rem);--fs-body: 1.0625rem}*,*:before,*:after{box-sizing:border-box}html{background:var(--hero-bg);-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5.5rem}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.75;font-feature-settings:"palt" 1;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent-ink);text-decoration-thickness:1px;text-underline-offset:.18em}a:hover{color:var(--accent)}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad-x)}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:0 0 8px}.skip-link:focus{left:0}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4rem}.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;letter-spacing:.02em;color:var(--ink);text-decoration:none;font-size:1.15rem}.brand__logo{display:block;width:34px;height:34px;border-radius:50%}.brand__text{display:inline-flex;align-items:baseline;gap:.4rem;line-height:1}.brand__mark{font-size:1.3rem;line-height:1}.brand__latin{font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:clamp(.75rem,2vw,1.75rem)}.site-nav__links{display:flex;gap:clamp(.75rem,2vw,1.6rem);list-style:none;margin:0;padding:0}.site-nav__links a{color:var(--ink-soft);text-decoration:none;font-size:.95rem;font-weight:500}.site-nav__links a:hover{color:var(--accent)}@media(max-width:640px){.site-nav__links{display:none}}.lang-switch{display:inline-flex;align-items:center;gap:.1rem;border:1px solid var(--line);border-radius:999px;padding:.15rem;background:var(--bg-soft)}.lang-switch a{display:inline-flex;align-items:center;padding:.25rem .6rem;border-radius:999px;font-size:.8rem;font-weight:600;color:var(--muted);text-decoration:none;line-height:1.4}.lang-switch a[aria-current=true]{background:var(--ink);color:#fff}.hero{background:var(--hero-bg);color:var(--hero-ink);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:radial-gradient(60rem 30rem at 80% -10%,rgba(43,84,230,.28),transparent 60%),radial-gradient(40rem 24rem at 0% 110%,rgba(43,84,230,.16),transparent 60%);pointer-events:none}.hero__inner{position:relative;z-index:1;padding-block:clamp(4.5rem,8vw,8rem);max-width:52rem}.hero__eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--hero-muted);margin-bottom:1.5rem}.hero h1{font-size:var(--fs-hero);line-height:1.18;letter-spacing:.01em;font-weight:800;margin:0 0 1.25rem}.hero__lead{font-size:var(--fs-lead);color:var(--hero-muted);line-height:1.85;margin:0 0 2.25rem;max-width:40rem}.hero__cta{display:inline-flex;align-items:center;gap:.5rem}.btn{--btn-bg: var(--accent);--btn-fg: #fff;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.6rem;border-radius:999px;background:var(--btn-bg);color:var(--btn-fg);font-weight:600;font-size:.98rem;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .2s ease,background .2s ease}.btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px -10px #2b54e6b3}.btn--ghost{--btn-bg: transparent;--btn-fg: var(--ink);border-color:var(--line)}.btn--ghost:hover{color:var(--ink);background:var(--bg-soft)}.page-head{border-bottom:1px solid var(--line);background:var(--bg-soft);padding-block:clamp(3rem,6vw,5rem)}.page-head h1{font-size:clamp(1.8rem,1.3rem + 2vw,2.6rem);line-height:1.25;font-weight:800;letter-spacing:.01em;margin:0}.page-head__lead{color:var(--muted);margin:.85rem 0 0;max-width:var(--reading)}.prose{padding-block:clamp(3.5rem,7vw,6rem)}.prose>*{max-width:var(--reading)}.prose h2{font-size:var(--fs-h2);line-height:1.3;font-weight:700;letter-spacing:.01em;margin:3.5rem 0 1.25rem;padding-top:2.5rem;border-top:1px solid var(--line);max-width:100%}.prose>h2:first-child{margin-top:0;padding-top:0;border-top:0}.prose h3{font-size:var(--fs-h3);font-weight:700;margin:2rem 0 .6rem;letter-spacing:.01em}.prose p{color:var(--ink-soft);margin:0 0 1.2rem}.prose strong{color:var(--ink);font-weight:700}.prose ul,.prose ol{color:var(--ink-soft);padding-left:1.3rem;margin:0 0 1.4rem}.prose li{margin:.35rem 0}.prose li::marker{color:var(--accent)}.prose blockquote{margin:1.6rem 0;padding:.6rem 1.25rem;border-left:3px solid var(--accent);color:var(--muted);font-style:normal}.prose hr{border:0;border-top:1px solid var(--line);margin:3rem 0}.prose thead{display:none}.prose table{width:100%;max-width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.98rem}.prose th,.prose td{text-align:left;vertical-align:top;padding:.95rem 1rem;border-bottom:1px solid var(--line)}.prose th{width:30%;min-width:8rem;color:var(--muted);font-weight:600;white-space:nowrap}.prose td{color:var(--ink-soft)}.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--bg-soft);padding:.15em .4em;border-radius:6px}.cards{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));max-width:100%!important;margin:1.5rem 0}.contact{background:var(--bg-soft);border-top:1px solid var(--line);padding-block:clamp(3.5rem,7vw,6rem)}.contact h2{font-size:var(--fs-h2);font-weight:700;margin:0 0 .75rem}.contact__lead{color:var(--muted);margin:0 0 2rem;max-width:var(--reading)}.form{display:grid;gap:1.1rem;max-width:38rem}.field{display:grid;gap:.4rem}.field label{font-size:.9rem;font-weight:600;color:var(--ink-soft)}.field .req{color:var(--accent-ink);font-size:.72rem;font-weight:600;margin-left:.4rem}.field input,.field textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.75rem .9rem;width:100%}.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2b54e626}.field textarea{min-height:8rem;resize:vertical}.form__status{margin-top:.25rem;font-size:.95rem;min-height:1.4em}.form__status[data-state=success]{color:#1a7f4b}.form__status[data-state=error]{color:#c0392b}.site-footer{background:var(--hero-bg);color:var(--hero-muted);padding-block:3rem;font-size:.92rem}.site-footer__inner{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between}.site-footer__brand{color:var(--hero-ink);font-weight:700;letter-spacing:.02em}.site-footer__links{display:flex;gap:1.25rem}.site-footer__links a{text-decoration:none;font-weight:500}.site-footer a{color:var(--hero-muted)}.site-footer a:hover{color:#fff}