:root{--navy: #1b2a4a;--navy-soft: #2a3a5c;--orange: #ed7d1c;--orange-soft: #f59a47;--ink: #1f2733;--muted: #5b6675;--line: #e3e7ee;--bg: #ffffff;--bg-soft: #f4f6f9;--max: 1080px;--radius: 12px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.4;color:var(--navy)}a{color:var(--navy)}img{max-width:100%;height:auto;display:block}.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}.section-title{position:relative;font-size:clamp(1.4rem,3vw,2rem);padding-left:18px;margin:0 0 8px}.section-title:before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:6px;border-radius:3px;background:var(--orange)}.section-lead{color:var(--muted);margin:0 0 36px}section{padding:72px 0}section.alt{background:var(--bg-soft)}.btn{display:inline-block;padding:14px 30px;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #ed7d1c59}.btn-ghost{border:1.5px solid var(--navy);color:var(--navy)}.btn-ghost:hover{background:var(--navy);color:#fff}.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 1px 3px #1b2a4a0d;transition:transform .15s ease,box-shadow .15s ease}.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #1b2a4a1a}.card h3{margin:0 0 6px;font-size:1.15rem}.card .tag{display:inline-block;color:var(--orange);font-weight:700;font-size:.85rem;margin-bottom:10px}.card p{margin:0;color:var(--muted);font-size:.95rem}.result{margin-top:14px;font-weight:700;color:var(--orange);font-size:.95rem}a.card{text-decoration:none;color:inherit}.site-header[data-astro-cid-5hce7sga]{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner[data-astro-cid-5hce7sga]{display:flex;align-items:center;justify-content:space-between;height:66px}.brand[data-astro-cid-5hce7sga]{font-weight:800;font-size:1.3rem;text-decoration:none;letter-spacing:-.01em;white-space:nowrap}.nav-toggle[data-astro-cid-5hce7sga]{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;border:none;background:transparent;cursor:pointer}.nav-toggle[data-astro-cid-5hce7sga] span[data-astro-cid-5hce7sga]{display:block;width:24px;height:2px;margin:0 auto;background:var(--navy);border-radius:2px;transition:transform .25s ease,opacity .2s ease}.nav-toggle[data-astro-cid-5hce7sga][aria-expanded=true] span[data-astro-cid-5hce7sga]:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle[data-astro-cid-5hce7sga][aria-expanded=true] span[data-astro-cid-5hce7sga]:nth-child(2){opacity:0}.nav-toggle[data-astro-cid-5hce7sga][aria-expanded=true] span[data-astro-cid-5hce7sga]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.brand-mark[data-astro-cid-5hce7sga]{color:var(--navy)}.brand-it[data-astro-cid-5hce7sga]{color:var(--orange)}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga]{display:flex;gap:26px}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga] a[data-astro-cid-5hce7sga]{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga] a[data-astro-cid-5hce7sga]:hover{color:var(--orange)}.site-footer[data-astro-cid-5hce7sga]{background:var(--navy);color:#cdd5e3;padding:56px 0 24px;margin-top:40px}.footer-inner[data-astro-cid-5hce7sga]{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}.brand-foot[data-astro-cid-5hce7sga]{font-size:1.4rem}.brand-foot[data-astro-cid-5hce7sga] .brand-mark[data-astro-cid-5hce7sga]{color:#fff}.foot-desc[data-astro-cid-5hce7sga]{margin:0;font-size:.92rem;color:#b3bdce}.copyright[data-astro-cid-5hce7sga]{text-align:center;margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#8a96ab}@media(max-width:820px){.nav-toggle[data-astro-cid-5hce7sga]{display:flex}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga]{position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px #1b2a4a14;max-height:0;overflow:hidden;transition:max-height .28s ease}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga].open{max-height:60vh}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga] a[data-astro-cid-5hce7sga]{padding:16px 24px;border-top:1px solid var(--line);font-size:1rem}.site-header[data-astro-cid-5hce7sga] nav[data-astro-cid-5hce7sga] a[data-astro-cid-5hce7sga]:first-child{border-top:none}}