/* Secret Room / Calculator landing page */
:root{--bg:#0f172a;--card:rgba(255,255,255,.08);--text:#f8fafc;--muted:#cbd5e1;--accent:#38bdf8;--accent2:#6366f1;--orange:#f97316;--yellow:#f59e0b;--danger:#ef4444;--border:rgba(255,255,255,.14);--shadow:0 24px 70px rgba(0,0,0,.35)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:var(--text);background:radial-gradient(circle at 10% 0%,rgba(56,189,248,.28),transparent 28rem),radial-gradient(circle at 90% 10%,rgba(99,102,241,.26),transparent 30rem),linear-gradient(180deg,#020617 0%,#0f172a 45%,#111827 100%);line-height:1.75}a{color:inherit}.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 5vw;background:rgba(2,6,23,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{width:46px;height:46px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:1.45rem;font-weight:900;box-shadow:0 14px 30px rgba(56,189,248,.24)}.brand-text strong{display:block;font-size:1.05rem;line-height:1.2}.brand-text small{display:block;color:var(--muted);font-size:.76rem;line-height:1.2}.nav-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.nav-links a{text-decoration:none;color:var(--muted);font-weight:700;font-size:.92rem;padding:9px 12px;border-radius:999px}.nav-links a:hover{color:#fff;background:rgba(255,255,255,.10)}.nav-links .nav-button{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 12px 24px rgba(56,189,248,.18)}main{overflow:hidden}.hero{width:min(1180px,calc(100% - 32px));margin:0 auto;min-height:calc(100vh - 84px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.75fr);gap:48px;align-items:center;padding:60px 0 72px}.eyebrow{margin:0 0 12px;color:#7dd3fc;font-weight:900;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem}h1{margin:0 0 20px;font-size:clamp(2.4rem,6vw,5rem);line-height:1.05;letter-spacing:-.06em}h2{margin:0 0 14px;font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.2;letter-spacing:-.04em}h3{margin:0 0 8px;line-height:1.35}.lead,.section-text{color:var(--muted);font-size:1.05rem;max-width:680px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 12px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 20px;border-radius:999px;text-decoration:none;font-weight:900;transition:transform .15s ease,box-shadow .15s ease}.primary-button{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 18px 36px rgba(56,189,248,.22)}.secondary-button{border:1px solid var(--border);background:rgba(255,255,255,.08);color:#fff}.primary-button:hover,.secondary-button:hover{transform:translateY(-2px)}.note{margin:12px 0 0;color:var(--muted);font-size:.92rem}.free-badge,.pass-badge,.warning-note{display:inline-flex;align-items:center;gap:.45em;margin:14px 8px 0 0;padding:10px 16px;border-radius:999px;color:#fff;font-weight:900}.free-badge{background:linear-gradient(135deg,var(--yellow),#ef4444);box-shadow:0 12px 30px rgba(239,68,68,.22)}.pass-badge{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22)}.pass-badge span{letter-spacing:.08em;font-size:1.08em}.free-box{background:linear-gradient(135deg,rgba(245,158,11,.16),rgba(239,68,68,.12))!important;border-color:rgba(245,158,11,.35)!important}.warning-box{background:linear-gradient(135deg,rgba(239,68,68,.16),rgba(245,158,11,.10))!important;border-color:rgba(239,68,68,.35)!important}.free-box strong{font-size:1.12em}.phone-card{position:relative;width:min(390px,100%);margin:0 auto;padding:24px;border-radius:38px;background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.07));border:1px solid rgba(255,255,255,.18);box-shadow:var(--shadow)}.phone-top{width:82px;height:6px;margin:0 auto 20px;border-radius:999px;background:rgba(255,255,255,.32)}.calculator-screen{height:86px;display:flex;align-items:center;justify-content:flex-end;padding:18px;margin-bottom:16px;border-radius:22px;background:rgba(2,6,23,.72);color:#fff;font-size:2.2rem;font-weight:800;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}.calculator-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.calculator-grid span{min-height:58px;display:grid;place-items:center;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);font-size:1.2rem;font-weight:800}.secret-badge{margin-top:16px;padding:10px 12px;text-align:center;border-radius:999px;background:rgba(56,189,248,.16);color:#bae6fd;font-weight:900}.section{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:76px 0}.section-heading{margin-bottom:26px}.cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.card{padding:22px;border-radius:26px;background:rgba(255,255,255,.08);border:1px solid var(--border);box-shadow:0 16px 40px rgba(0,0,0,.14)}.card .icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:14px;border-radius:16px;background:rgba(56,189,248,.16);color:#7dd3fc;font-weight:900}.card p{margin:0;color:var(--muted)}.split-section{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;align-items:start}.steps{margin:0;padding:0;list-style:none;display:grid;gap:12px}.steps li{display:grid;grid-template-columns:160px 1fr;gap:14px;padding:16px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid var(--border)}.steps strong{color:#fff}.steps span{color:var(--muted)}.security-box{display:flex;justify-content:space-between;gap:22px;align-items:center;padding:32px;border-radius:30px;background:linear-gradient(135deg,rgba(56,189,248,.16),rgba(99,102,241,.14));border:1px solid var(--border)}.security-box p{margin:0;color:var(--muted)}.footer{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:30px 0 46px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);border-top:1px solid var(--border)}.footer a{color:#7dd3fc;text-decoration:none;font-weight:800}.sp-only{display:none}@media(max-width:980px){.hero{grid-template-columns:1fr;min-height:auto}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.split-section{grid-template-columns:1fr}.security-box{align-items:stretch;flex-direction:column}}@media(max-width:720px){.site-header{position:static;display:block;padding:14px 16px}.nav-links{margin-top:12px;display:grid;grid-template-columns:repeat(2,1fr)}.nav-links a{text-align:center;background:rgba(255,255,255,.08)}.hero,.section{width:min(100% - 24px,1180px)}.hero{padding:38px 0 50px;gap:30px}.sp-only{display:block}.hero-actions{display:grid;grid-template-columns:1fr}.primary-button,.secondary-button{width:100%}.phone-card{border-radius:28px;padding:18px}.calculator-grid span{min-height:52px}.cards{grid-template-columns:1fr}.steps li{grid-template-columns:1fr;gap:4px}.footer{display:block;text-align:center}}