h1,h2,h3,p{margin:0}

:root{--mint:#91d9c1;--ink:#3f3028;--paper:#fbfaf5;--pink:#f6c7cc;--line:#d9d6cd}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Noto Sans CJK SC",Arial,sans-serif}a{color:inherit;text-decoration:none}main{min-height:100vh}.topbar{height:76px;padding:0 clamp(24px,6vw,92px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:13px;letter-spacing:.08em}.brand{font-size:20px;font-weight:800;letter-spacing:.04em}.hero{padding:clamp(70px,11vw,150px) clamp(24px,9vw,140px) 84px;background:linear-gradient(135deg,var(--paper) 0 66%,#dff4eb 66%)}.eyebrow,.section-heading p,.truth-strip>p:first-child{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}h1{margin:24px 0;font-size:clamp(52px,8vw,118px);line-height:.95;letter-spacing:-.06em;max-width:980px}.lede{max-width:660px;font-size:clamp(17px,2vw,23px);line-height:1.7}.factline{margin-top:52px;display:flex;flex-wrap:wrap;gap:12px}.factline>*{padding:11px 16px;border:1px solid var(--ink);border-radius:999px;font-size:13px;background:rgba(255,255,255,.5)}.factline strong{background:var(--mint)}.topic-section{padding:96px clamp(24px,6vw,92px) 120px}.section-heading{display:grid;grid-template-columns:1fr 2fr;align-items:end;margin-bottom:44px}.section-heading h2{font-size:clamp(34px,5vw,68px);line-height:1.05;margin:0;letter-spacing:-.04em}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink)}.topic-card{min-height:260px;padding:26px;border-bottom:1px solid var(--ink);display:grid;grid-template-columns:1fr auto;align-content:space-between;transition:.2s ease}.topic-card:nth-child(odd){border-right:1px solid var(--ink)}.topic-card:hover{background:#e5f5ee;transform:translateY(-3px)}.number,.tag,.arrow{font-size:12px;font-weight:700;letter-spacing:.12em}.topic-card h3{grid-column:1/-1;font-size:clamp(24px,3vw,42px);max-width:520px;margin:64px 0 34px;line-height:1.15}.arrow{grid-column:2}.truth-strip{margin:0 clamp(24px,6vw,92px) 100px;padding:clamp(38px,6vw,80px);background:var(--pink);border-radius:2px}.truth-strip h2{font-size:clamp(38px,6vw,82px);letter-spacing:-.05em;margin:16px 0 24px}.truth-strip p:last-child{font-size:18px;line-height:1.7;max-width:760px}footer{padding:30px clamp(24px,6vw,92px);border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12px}@media(max-width:720px){.hero{background:linear-gradient(160deg,var(--paper) 0 78%,#dff4eb 78%)}.section-heading{grid-template-columns:1fr;gap:24px}.topic-grid{grid-template-columns:1fr}.topic-card:nth-child(odd){border-right:0}.topic-card{min-height:220px}.topbar span{display:none}footer{gap:18px;flex-direction:column}}

/* Local integration preview: full-width street first, original content below. */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.official-home{position:relative}
.official-home .topbar{position:absolute;z-index:3;inset:0 0 auto;height:88px;padding-inline:clamp(24px,5vw,80px);border:0;background:transparent;transition:color 1s ease}
.home-brand{display:inline-flex;align-items:center}
.home-brand img{display:block;max-width:100%;height:auto;transition:filter 1s ease}
.street-hero{height:100svh;min-height:560px;width:100%;position:relative}
.miniature-hero{width:100%;height:100%;min-width:0;position:relative;background:var(--street-bg,#eef3ed);transition:background 1s ease;overflow:hidden}
.scene-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;position:absolute;z-index:2;inset:100px clamp(24px,5vw,80px) auto;font-size:12px;letter-spacing:.03em;pointer-events:none}
.scene-caption{font-weight:600;white-space:nowrap}
.scene-time{display:inline-flex;align-items:center;gap:7px;color:#71695f;font-variant-numeric:tabular-nums;white-space:nowrap}
.phase-dot{height:6px;width:6px;display:inline-block;border-radius:50%;background:#7bb79d}
.miniature-hero[data-phase="dusk"] .phase-dot{background:#ce8967}
.miniature-hero[data-phase="night"] .phase-dot{background:#798da7}
.scene-stage{position:absolute;inset:0;overflow:hidden}
.scene-stage iframe{display:block;position:absolute;inset:0;height:100%;width:100%;border:0;opacity:0;transition:opacity .8s ease;touch-action:pan-y}
.scene-stage.is-ready iframe{opacity:1}
.scene-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;gap:20px;text-align:center;color:#7d766b;background:#eef3ed}
.scene-placeholder img{opacity:.64;width:164px;height:auto}
.scene-placeholder p{max-width:280px;font-size:13px;line-height:1.7;margin:0}
.scene-placeholder-copy{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:20px}
.scene-placeholder .scene-poster{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:contain;opacity:1}
.scene-placeholder.has-poster{justify-content:flex-end;padding:100px 20px}
.scene-placeholder.has-poster .scene-placeholder-copy{gap:10px;background:rgba(251,250,245,.9);border:1px solid rgba(63,48,40,.08);border-radius:16px;padding:13px 20px}
.loading-dots{display:flex;gap:5px}
.loading-dots i{display:block;height:5px;width:5px;background:#9bb5a4;border-radius:50%;animation:scene-dot 1.4s ease-in-out infinite}
.loading-dots i:nth-child(2){animation-delay:.2s}.loading-dots i:nth-child(3){animation-delay:.4s}
.scene-retry{appearance:none;background:var(--paper);border:1px solid #cccfc4;border-radius:999px;color:var(--ink);padding:11px 18px;font:inherit;font-size:12px;cursor:pointer}
.scene-hint{position:absolute;z-index:2;bottom:72px;left:20px;right:20px;margin:0;font-size:12px;line-height:1.7;color:#817c70;text-align:center;letter-spacing:.02em;pointer-events:none}
.scene-scroll{position:absolute;z-index:2;bottom:max(25px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:18px;padding:7px 4px;font-size:13px;white-space:nowrap;transition:color 1s ease}
.scene-scroll span{font-size:20px;line-height:1}
.mobile-hint{display:none}
.scene-noscript{position:absolute;z-index:2;bottom:110px;left:20px;right:20px;font-size:12px;text-align:center}
.miniature-hero[data-phase="night"] .scene-meta,.miniature-hero[data-phase="night"] .scene-time,.miniature-hero[data-phase="night"] .scene-hint,.miniature-hero[data-phase="night"] .scene-scroll,.official-home:has(.miniature-hero[data-phase="night"]) .topbar{color:#d8e0e3}
.official-home:has(.miniature-hero[data-phase="night"]) .home-brand img{filter:brightness(0) invert(1)}
.scene-meta,.scene-time,.scene-hint{transition:color 1s ease}
.official-home .hero{display:block;padding:96px clamp(24px,6vw,92px) 64px;background:var(--paper);max-width:1440px;margin-inline:auto;scroll-margin-top:24px}
.hero-copy{max-width:1000px}
.official-home .hero h1{font-size:clamp(44px,6vw,84px);line-height:1.08;letter-spacing:-.055em;margin:28px 0;text-wrap:balance}
.official-home .hero .lede{font-size:clamp(17px,1.6vw,22px);line-height:1.85;max-width:750px}
.official-home .hero .factline{margin-top:32px;gap:8px}
.official-home .hero .factline>*{padding:9px 12px;font-size:12px;line-height:1.25}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-link{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;font-size:14px;font-weight:700;line-height:1;padding:17px 21px;border:1px solid var(--ink);border-radius:999px;transition:background .2s ease,transform .2s ease}
.hero-link.primary{background:var(--ink);color:var(--paper)}
.hero-link:hover{background:var(--mint);color:var(--ink);transform:translateY(-2px)}
.hero-link:focus-visible,.scene-retry:focus-visible,.home-brand:focus-visible,.scene-scroll:focus-visible{outline:3px solid var(--mint);outline-offset:5px}
.official-home footer{flex-wrap:wrap;gap:14px 24px;line-height:1.6}
@keyframes scene-dot{0%,80%,100%{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
@media(max-width:900px){.official-home .hero{padding-top:64px;padding-bottom:48px}.official-home .hero h1{font-size:clamp(36px,8vw,68px);line-height:1.12}.desktop-hint{display:none}.mobile-hint{display:inline}.official-home .topic-section{padding-top:64px}}
@media(max-width:480px){.official-home .topbar{height:76px;padding-inline:20px}.home-brand img{width:136px}.street-hero{min-height:480px}.scene-meta{inset:88px 20px auto;font-size:11px}.scene-hint{font-size:11px;bottom:77px;left:18px;right:18px}.scene-scroll{font-size:12px;bottom:max(31px,env(safe-area-inset-bottom))}.official-home .hero{padding:52px 20px 40px}.official-home .hero h1{font-size:clamp(33px,10.4vw,48px);letter-spacing:-.06em}.official-home .hero .lede{font-size:15px}.official-home .hero .factline>*{font-size:11px;padding:8px 10px}.hero-actions{gap:10px;margin-top:24px}.hero-link{padding:15px 19px;gap:24px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scene-stage iframe,.hero-link,.miniature-hero,.scene-time,.scene-hint,.scene-meta{transition:none}.loading-dots i{animation:none}.hero-link:hover{transform:none}}