:root{--bg:#0e1220;--panel:#161b2e;--panel2:#1c2238;--line:#2b3352;--ink:#eef0fa;--sub:#b5bbd3;--muted:#8a91ad;--blue:#7d8cff;--blue2:#a9b3ff;--gold:#f2c443;--warn:#f2b45c}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;line-height:1.8;overflow-wrap:anywhere}
a{color:var(--blue2)}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:auto;padding:0 16px}@media(min-width:640px){.wrap{padding:0 24px}}
.pix{font-family:"DotGothic16","Hiragino Sans",sans-serif;letter-spacing:.02em}
/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(14,18,32,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:62px}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;gap:4px 18px;flex-wrap:wrap;font-size:13.5px}
.nav-links a{color:var(--sub);text-decoration:none}.nav-links a:hover{color:var(--ink)}
@media(max-width:600px){.nav-links{display:none}}
/* status bar */
.status{background:linear-gradient(90deg,rgba(242,180,92,.18),rgba(242,180,92,.06));border-bottom:1px solid rgba(242,180,92,.35);color:#f6d29a;font-size:13.5px}
.status .wrap{padding-top:9px;padding-bottom:9px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.status b{display:inline-block;padding:1px 10px;border-radius:999px;background:var(--warn);color:#1a1205;font-size:12px}
/* hero */
.hero{position:relative;overflow:hidden;min-height:min(78vh,720px);display:flex;align-items:center;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:center/cover no-repeat url("img/hero.webp");transform:scale(1.05);filter:saturate(1.05)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(14,18,32,.35) 0%,rgba(14,18,32,.55) 55%,var(--bg) 100%),radial-gradient(ellipse at 20% 40%,rgba(14,18,32,.0),rgba(14,18,32,.55))}
.hero-in{padding:80px 0 90px}
.hero-logo{width:min(520px,86vw);height:auto;filter:drop-shadow(0 8px 24px rgba(0,0,0,.45))}
.hero h1{margin:26px 0 10px;font-size:clamp(28px,5.4vw,52px);line-height:1.25;letter-spacing:-.02em;text-shadow:0 2px 18px rgba(0,0,0,.5)}
.hero p{margin:0;max-width:640px;color:#dfe3f5;font-size:clamp(15px,1.9vw,17px);text-shadow:0 1px 10px rgba(0,0,0,.6)}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:700;font-size:14px;text-decoration:none;border:1px solid var(--line);background:rgba(22,27,46,.75);color:var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#0b0f1d}
.btn:hover{transform:translateY(-1px)}
/* sections */
.section{padding:84px 0}.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,.005));border-top:1px solid rgba(43,51,82,.6);border-bottom:1px solid rgba(43,51,82,.6)}
.kicker{color:var(--gold);font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px}
h2{margin:0 0 14px;font-size:clamp(26px,4vw,40px);line-height:1.3;letter-spacing:-.02em}
.lead{margin:0;max-width:760px;color:var(--sub);font-size:16px}
/* concept */
.concept{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.concept-quote{font-size:clamp(20px,2.6vw,26px);line-height:1.6;padding:24px 26px;border-left:4px solid var(--gold);background:var(--panel);border-radius:0 14px 14px 0}
.concept p{color:var(--sub);margin:0 0 12px}
@media(max-width:860px){.concept{grid-template-columns:1fr}}
/* features */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;margin-top:56px}
.feat:nth-of-type(even) .feat-media{order:-1}
.feat-no{display:inline-flex;align-items:center;gap:8px;color:var(--blue2);font-size:14px;margin-bottom:6px}
.feat-no b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--blue);color:#0b0f1d;font-size:15px}
.feat h3{margin:0 0 10px;font-size:clamp(21px,2.8vw,28px);line-height:1.4}
.feat p{margin:0 0 10px;color:var(--sub)}
.feat .note{font-size:12.5px;color:var(--muted)}
.feat-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px}
.compare figure{margin:0}.compare img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;image-rendering:pixelated}
.compare figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:6px}
.cmd{display:inline-block;padding:2px 10px;border-radius:8px;background:#0b0f1d;border:1px solid var(--line);color:var(--gold);font-family:ui-monospace,Consolas,monospace}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.facts span{padding:6px 12px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);font-size:13px;color:var(--ink)}
@media(max-width:860px){.feat{grid-template-columns:1fr;gap:18px;margin-top:44px}.feat:nth-of-type(even) .feat-media{order:0}}
/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}
.gallery img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
@media(max-width:760px){.gallery{grid-template-columns:1fr 1fr}}
.gallery-note{margin:10px 0 0;font-size:12.5px;color:var(--muted)}
/* overview */
.ov{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}
.ov-card{padding:20px 22px;border-radius:14px;border:1px solid var(--line);background:var(--panel)}
.ov-card h3{margin:0 0 6px;font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.04em}
.ov-card p{margin:0;font-size:15.5px}
.ov-card.wide{grid-column:1/-1}
.ov-card code{font-family:ui-monospace,Consolas,monospace;color:var(--gold);font-size:15px}
.ov-card ul{margin:0;padding-left:1.2em}
.ov-card .tag{display:inline-block;padding:1px 10px;border-radius:999px;background:rgba(242,180,92,.16);border:1px solid rgba(242,180,92,.5);color:#f6d29a;font-size:13px;font-weight:700}
@media(max-width:700px){.ov{grid-template-columns:1fr}}
/* footer */
.foot{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--muted);font-size:12.5px}
.foot-in{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between}
.foot a{color:var(--sub)}
/* sub pages */
.page-head{padding:64px 0 10px}
.page-head h1{margin:6px 0 10px;font-size:clamp(28px,5vw,44px);line-height:1.25}
.empty{margin:28px 0 90px;padding:44px 24px;border:1px dashed var(--line);border-radius:16px;text-align:center;color:var(--sub);background:rgba(22,27,46,.5)}
.empty p{margin:0 0 6px}
.nav-links a[aria-current]{color:var(--ink)}