:root{
  --bg:#f7fafc;--surface:#ffffff;--surface-soft:rgba(255,255,255,.78);--text:#152033;--muted:#5f6f85;--line:rgba(38,61,99,.12);
  --primary:#3556d4;--primary-2:#4cc7be;--accent:#ffb557;--accent-2:#9b8cff;--shadow:0 16px 48px rgba(32,52,89,.10);
  --radius:24px;--radius-lg:34px;--container:min(1200px, calc(100% - 32px));--maxw:min(860px, calc(100% - 32px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter","Noto Sans JP",system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at top left, rgba(125,214,204,.18), transparent 28%),radial-gradient(circle at top right, rgba(155,140,255,.10), transparent 24%),linear-gradient(180deg,#fbfdff 0%, #f5f8fc 100%);line-height:1.7}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:var(--container);margin:0 auto}.narrow{width:var(--maxw);margin:0 auto}
.kicker{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .9rem;border-radius:999px;background:rgba(76,199,190,.12);color:#256c67;font-weight:700;font-size:.82rem;letter-spacing:.03em}
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(160%) blur(16px);background:rgba(247,250,252,.78);border-bottom:1px solid rgba(38,61,99,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:82px;gap:20px}.brand{display:flex;align-items:center;gap:14px}
.brand-mark{width:48px;height:48px;border-radius:16px;color:#fff;font-weight:800;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary-2),var(--primary));box-shadow:0 12px 26px rgba(53,86,212,.24)}
.brand-text{display:grid;gap:2px}.brand-text strong{font-size:1rem}.brand-text small{font-size:.77rem;color:var(--muted)}
.desktop-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{padding:.72rem .92rem;border-radius:14px;color:#334155;font-weight:600;font-size:.95rem;transition:.2s ease}
.nav-link:hover,.nav-link.is-active{background:#fff;box-shadow:0 8px 24px rgba(30,41,59,.08);color:#0f172a}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:46px;padding:.84rem 1.12rem;border-radius:16px;border:1px solid transparent;font-weight:700;transition:transform .18s ease, box-shadow .18s ease, background .18s ease}
.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),#5873e7);box-shadow:0 14px 28px rgba(53,86,212,.22)}
.btn-soft{background:#fff;border-color:var(--line);color:var(--text)}.btn-accent{background:linear-gradient(135deg,#ffc86a,#ffb557);color:#4a3000;box-shadow:0 14px 28px rgba(255,181,87,.24)}
.menu-toggle{display:none;border:none;background:#fff;width:46px;height:46px;border-radius:14px;box-shadow:var(--shadow)}.mobile-menu{display:none;border-top:1px solid rgba(38,61,99,.06);background:rgba(255,255,255,.9)}
.mobile-menu-inner{padding:14px 0 18px;display:grid;gap:6px}.mobile-actions{display:flex;gap:10px;margin-top:8px}
.page-hero{padding:48px 0 28px}.page-hero.compact{padding:38px 0 18px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.hero-copy h1{font-size:clamp(2.2rem,5vw,4.3rem);line-height:1.04;letter-spacing:-.03em;margin:16px 0 18px}.hero-copy .lead{font-size:1.08rem;max-width:62ch;color:#4b5d74}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.stat-card,.glass-card,.feature-card,.article-card,.category-card,.info-card,.rank-card,.search-card,.contact-card,.card-shell,.mini-card,.metric-card{background:var(--surface-soft);border:1px solid rgba(255,255,255,.72);box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.card-shell{border-radius:var(--radius-lg);overflow:hidden}.hero-media{padding:16px;background:linear-gradient(180deg,rgba(255,255,255,.84),rgba(255,255,255,.58))}.hero-media img{border-radius:26px;aspect-ratio:16/10;object-fit:cover}
.stat-card{border-radius:20px;padding:18px}.stat-card strong{display:block;font-size:1.05rem;margin-bottom:6px}.stat-card span{display:block;color:var(--muted);font-size:.94rem}
section{padding:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.section-head h2,.section-head h3{margin:10px 0 0;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.12}
.section-head p{margin:10px 0 0;color:var(--muted);max-width:70ch}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.article-card,.category-card,.feature-card,.info-card,.rank-card,.search-card,.contact-card,.mini-card,.metric-card{border-radius:28px;overflow:hidden}.article-card img,.category-card img,.feature-card img{aspect-ratio:16/10;object-fit:cover}
.card-body{padding:22px}.card-body h3,.card-body h4{margin:8px 0 10px;line-height:1.2}.card-body p{margin:0;color:var(--muted)}.meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#3d5374;font-weight:600;font-size:.86rem}
.tag{display:inline-flex;align-items:center;padding:.45rem .78rem;border-radius:999px;background:rgba(53,86,212,.08);color:var(--primary);font-weight:700;font-size:.83rem}.category-card .tag{background:rgba(255,181,87,.16);color:#9a5600}.arrow-link{display:inline-flex;gap:.45rem;align-items:center;font-weight:700;color:var(--primary);margin-top:14px}
.panel{border-radius:32px;padding:22px;background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(255,255,255,.66));border:1px solid rgba(255,255,255,.82);box-shadow:var(--shadow)}.split-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center}
.mini-cta{border-radius:32px;padding:22px;background:linear-gradient(135deg,rgba(76,199,190,.10),rgba(155,140,255,.12));border:1px solid rgba(76,199,190,.16)}
.icon-list,.bullet-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.icon-list li,.bullet-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(38,61,99,.08)}
.icon-dot{width:34px;height:34px;flex:0 0 34px;border-radius:12px;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;display:grid;place-items:center;font-weight:800}
.ranking-list{display:grid;gap:14px}.rank-card{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:18px 20px}.rank-num{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,#fff0c7,#ffca75);color:#633e00}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric-card{padding:20px;border-radius:22px}.metric-card strong{display:block;font-size:1.4rem}.metric-card span{color:var(--muted);font-size:.94rem}
.search-shell{display:grid;gap:18px}.search-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.search-input{flex:1;min-width:240px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);padding:0 16px;border-radius:18px;min-height:58px}.search-input input{border:none;outline:none;flex:1;font:inherit;background:transparent}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:.66rem .92rem;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700;cursor:pointer}.pill.is-active{background:linear-gradient(135deg,rgba(76,199,190,.14),rgba(53,86,212,.10));color:var(--primary);border-color:rgba(53,86,212,.18)}
.article-hero{padding:36px 0 18px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:.92rem;color:var(--muted);margin-bottom:12px}.breadcrumbs a{color:#4563c2}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px}.article-main{min-width:0}
.article-cover{margin:18px 0 26px}.article-cover img{width:100%;border-radius:32px;aspect-ratio:16/9;object-fit:cover;box-shadow:var(--shadow)}.prose{background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.78);box-shadow:var(--shadow);border-radius:32px;padding:34px}
.prose p{margin:0 0 18px;color:#334155}.prose h2{font-size:1.55rem;margin:28px 0 10px;line-height:1.18}.aside-stack{display:grid;gap:16px;position:sticky;top:98px}.info-card,.contact-card,.search-card,.mini-card{padding:20px}
.info-card h3,.contact-card h3,.search-card h3,.mini-card h3{margin:4px 0 12px}.note{font-size:.92rem;color:var(--muted)}.form-grid{display:grid;gap:14px}.form-grid label{display:grid;gap:8px;font-weight:700}
.form-grid input,.form-grid textarea,.form-grid select{width:100%;border-radius:16px;border:1px solid var(--line);padding:14px 16px;font:inherit;background:#fff}.form-grid textarea{min-height:150px;resize:vertical}
.site-footer{margin-top:44px;padding:28px 0 18px;border-top:1px solid rgba(38,61,99,.08)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:18px}.brand-footer{margin-bottom:16px}.footer-brand p{max-width:38ch;color:var(--muted)}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.footer-list a{color:#334155}.footer-bottom{margin-top:18px;padding-top:18px;border-top:1px solid rgba(38,61,99,.08);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted)}.footer-bottom-links{display:flex;gap:14px;flex-wrap:wrap}
.floating-cta{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;gap:14px;align-items:center;background:rgba(21,32,51,.95);color:#fff;padding:16px 18px;border-radius:22px;box-shadow:0 20px 60px rgba(15,23,42,.32);max-width:min(92vw,460px)}.floating-cta p{margin:.22rem 0 0;color:rgba(255,255,255,.75);font-size:.9rem}.floating-close{border:none;background:transparent;color:#fff;font-size:1.6rem;line-height:1;cursor:pointer}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.reveal.is-visible{opacity:1;transform:none}.center{text-align:center}.notice{padding:16px 18px;border-radius:18px;background:rgba(255,181,87,.12);border:1px solid rgba(255,181,87,.25);color:#7b4d00}
@media (max-width: 1080px){.hero-grid,.article-layout,.split-panel,.footer-grid{grid-template-columns:1fr}.aside-stack{position:static}}
@media (max-width: 860px){.desktop-nav,.hide-sm{display:none}.menu-toggle{display:grid;place-items:center}.mobile-menu.is-open{display:block}.hero-stats,.grid-4,.metric-row{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.floating-cta{left:12px;right:12px;bottom:12px;max-width:none}}
@media (max-width: 640px){.page-hero{padding-top:24px}.hero-copy h1{font-size:2.25rem}.grid-2,.grid-3,.hero-stats,.metric-row{grid-template-columns:1fr}.btn{width:100%}.hero-actions,.mobile-actions{display:grid}.header-inner{min-height:74px}.brand-text small{display:none}.prose{padding:24px}.rank-card{grid-template-columns:1fr}.floating-cta{flex-direction:column;align-items:stretch}}