/* Firework Rise website: Edo night sky, paper cards, gold and vermilion. No external requests. */
@font-face{font-family:"Kaisei";src:url("fonts/kaisei.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Barlow";src:url("fonts/barlow-600.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Barlow";src:url("fonts/barlow-700.woff2") format("woff2");font-weight:700;font-display:swap}

:root{
  --night:#0a0f24; --indigo:#151d3a; --indigo-2:#1d2850; --ink:#1a1c27;
  --bone:#f0dfb0; --paper:#f4e8c8; --paper-2:#ecdcb2; --gold:#d8ad58; --gold-2:#f1cf84; --red:#c34a36; --red-2:#df6347;
  --text:#e8e1cd; --muted:#a39d88;
  --maxw:1120px; --gutter:clamp(16px,4vw,32px); --radius:18px; --header-h:68px;
  --display:"Kaisei","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;
  --label:"Barlow","Arial Narrow",system-ui,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--text);font:400 1.0625rem/1.7 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--gold-2);text-underline-offset:3px}
a:hover{color:#fff}
:focus-visible{outline:3px solid var(--gold-2);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);background:rgba(10,15,36,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(216,173,88,.22)}
.site-header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--bone)}
.brand img{width:40px;height:40px;border-radius:50%}
.brand span{font:700 1.2rem/1 var(--display);letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:6px}
.nav a{font:600 .95rem/1 var(--label);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--text);padding:10px 12px;border-radius:999px}
.nav a:hover{color:var(--gold-2);background:rgba(255,255,255,.06)}
.nav a[aria-current="page"]{color:var(--gold-2)}
.nav .btn{margin-left:8px;color:#fff}
.nav .btn:hover{background:var(--red-2);color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem/1 var(--label);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:#fff;background:var(--red);padding:16px 26px;border-radius:999px;border:2px solid #f08a70;box-shadow:0 5px 0 #8e2f21,0 14px 28px rgba(195,74,54,.35);transition:transform .15s ease,box-shadow .15s ease,background .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 7px 0 #8e2f21,0 18px 32px rgba(195,74,54,.4);color:#fff}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 #8e2f21}
.btn.ghost{background:transparent;border-color:var(--gold);color:var(--gold-2);box-shadow:none}
.btn.ghost:hover{background:rgba(216,173,88,.12);box-shadow:none}
.btn.sm{padding:11px 18px;font-size:.9rem;box-shadow:0 3px 0 #8e2f21}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:clamp(40px,7vw,84px) 0 clamp(88px,10vw,132px);background:radial-gradient(120% 90% at 70% 10%,#26356f 0%,#151d3a 45%,#0a0f24 100%)}
.hero::before{content:"";position:absolute;inset:-30%;z-index:-2;background:repeating-conic-gradient(from 0deg at 72% 42%,rgba(216,173,88,.10) 0 4deg,transparent 4deg 12deg);-webkit-mask:radial-gradient(circle at 72% 42%,#000 0,transparent 62%);mask:radial-gradient(circle at 72% 42%,#000 0,transparent 62%);animation:spin 160s linear infinite}
.stars{position:absolute;inset:0;z-index:-1;pointer-events:none}
.stars i{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--gold-2);box-shadow:0 0 8px 2px rgba(241,207,132,.7);animation:tw 3.6s ease-in-out infinite}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font:600 .95rem/1 var(--label);letter-spacing:.3em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before,.eyebrow::after{content:"";width:32px;height:2px;background:var(--gold)}
.eyebrow::after{display:none}
h1.title{margin:18px 0 28px;text-transform:uppercase;font:700 clamp(2.8rem,7.6vw,5.6rem)/.95 var(--display);text-transform:uppercase;color:var(--bone);letter-spacing:.02em;text-shadow:3px 4px 0 var(--red)}
h1.title em{display:block;font-style:normal;color:var(--gold);letter-spacing:.06em}
.lede{max-width:34em;font-size:clamp(1.05rem,2vw,1.25rem);color:var(--text);margin:20px 0 30px}
.cta{display:flex;flex-wrap:wrap;gap:14px}
.facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin:32px 0 0;padding:0;list-style:none;font:600 .95rem/1 var(--label);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:8px;height:8px;background:var(--red);transform:rotate(45deg)}
.hero-art{position:relative;display:flex;justify-content:center}
.hero-art::before{content:"";position:absolute;inset:6% 4%;background:radial-gradient(circle,rgba(223,99,71,.5),transparent 68%);filter:blur(28px);z-index:-1}

/* phone frame */
.phone{position:relative;width:min(100%,290px);aspect-ratio:9/16;border-radius:34px;padding:9px;background:linear-gradient(145deg,#f1cf84,#a9782f 55%,#e3b866);box-shadow:0 30px 60px rgba(0,0,0,.55),0 0 0 2px rgba(0,0,0,.35)}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:26px;background:var(--indigo)}
.phone.tilt-l{transform:rotate(-5deg)}
.phone.tilt-r{transform:rotate(4deg)}
.hero-art .phone.main{z-index:2}
.hero-art .phone.back{position:absolute;width:min(56%,170px);right:-6%;top:16%;z-index:1;opacity:.95}
.hero-art .phone.back-l{position:absolute;width:min(60%,190px);left:-2%;bottom:2%;z-index:3}

/* seigaiha wave divider */
.waves{position:absolute;left:0;right:0;bottom:-1px;height:56px;z-index:1;background:
  radial-gradient(circle at 50% 100%,transparent 0 30%,rgba(216,173,88,.55) 31% 34%,transparent 35% 44%,rgba(216,173,88,.4) 45% 48%,transparent 49% 58%,rgba(216,173,88,.28) 59% 62%,transparent 63%) 0 0/64px 32px repeat-x,
  radial-gradient(circle at 50% 100%,transparent 0 30%,rgba(216,173,88,.55) 31% 34%,transparent 35% 44%,rgba(216,173,88,.4) 45% 48%,transparent 49% 58%,rgba(216,173,88,.28) 59% 62%,transparent 63%) 32px 24px/64px 32px repeat-x;
  background-color:transparent}
.waves::after{content:"";position:absolute;left:0;right:0;bottom:0;height:24px;background:var(--night)}

/* ---------- sections ---------- */
section{padding:clamp(56px,8vw,104px) 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto clamp(32px,5vw,56px)}
.sec-head .eyebrow{justify-content:center}
.sec-head .eyebrow::after{display:block}
h2.h{margin:14px 0 12px;font:700 clamp(2rem,4.6vw,3.1rem)/1.1 var(--display);color:var(--bone)}
.sec-head p{margin:0;color:var(--muted)}

/* feature cards: washi paper with a hanko number */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;background:linear-gradient(180deg,var(--paper),var(--paper-2));color:var(--ink);border-radius:var(--radius);padding:34px 26px 28px;border:2px solid var(--gold);box-shadow:0 0 0 5px rgba(216,173,88,.14),0 18px 34px rgba(0,0,0,.35)}
.card .no{position:absolute;top:-16px;left:22px;width:40px;height:40px;display:grid;place-items:center;background:var(--red);color:#fff;font:700 1.05rem/1 var(--display);border-radius:8px;transform:rotate(-6deg);box-shadow:0 4px 0 #8e2f21}
.card h3{margin:6px 0 8px;font:700 1.35rem/1.2 var(--display);color:#2b1c1a}
.card p{margin:0;color:#3a3630;font-size:1rem;line-height:1.6}

/* steps */
.steps{background:linear-gradient(180deg,var(--night),var(--indigo) 18%,var(--indigo) 82%,var(--night))}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px);counter-reset:s}
.step{position:relative;padding:28px 24px 24px 24px;border-left:3px solid var(--red);background:rgba(255,255,255,.04);border-radius:0 var(--radius) var(--radius) 0}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font:700 2.8rem/1 var(--display);color:var(--gold);opacity:.9;margin-bottom:6px}
.step h3{margin:0 0 6px;font:700 1.35rem/1.2 var(--display);color:var(--bone)}
.step p{margin:0;color:var(--text)}

/* gallery */
.gallery{display:flex;gap:clamp(16px,2.4vw,28px);overflow-x:auto;scroll-snap-type:x mandatory;padding:10px var(--gutter) 34px;margin-inline:calc(-1 * var(--gutter));-webkit-overflow-scrolling:touch;scrollbar-color:var(--gold) transparent}
.gallery::-webkit-scrollbar{height:8px}
.gallery::-webkit-scrollbar-thumb{background:var(--gold);border-radius:8px}
.gallery figure{margin:0;flex:0 0 clamp(200px,24vw,250px);scroll-snap-align:center}
.gallery .phone{width:100%}
.gallery figcaption{margin-top:16px;text-align:center;font:600 .95rem/1.25 var(--label);letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2)}
.hint{text-align:center;color:var(--muted);font:600 .85rem/1 var(--label);letter-spacing:.2em;text-transform:uppercase;margin-top:-6px}

/* skies */
.skies{background:radial-gradient(90% 120% at 50% 0%,#1d2850,transparent 70%)}
.sky-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sky{position:relative;overflow:hidden;border-radius:var(--radius);padding:24px 22px 22px;min-height:150px;border:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;justify-content:flex-end;color:#fff;isolation:isolate}
.sky::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--g);}
.sky::after{content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(255,244,214,.9) 0 18%,rgba(255,244,214,.18) 19% 100%);z-index:-1;opacity:.55}
.sky b{font:700 1.3rem/1.2 var(--display);text-shadow:0 2px 0 rgba(0,0,0,.4)}
.sky span{font:600 .85rem/1.2 var(--label);letter-spacing:.18em;text-transform:uppercase;opacity:.9;margin-bottom:6px}

/* final call */
.final{text-align:center;padding-bottom:clamp(72px,10vw,120px)}
.panel{position:relative;overflow:hidden;border-radius:26px;padding:clamp(36px,6vw,72px) var(--gutter);background:radial-gradient(100% 140% at 50% 0%,#2d3b7a,#151d3a 70%);border:2px solid var(--gold);box-shadow:0 0 0 6px rgba(216,173,88,.14),0 30px 60px rgba(0,0,0,.45)}
.panel h2{margin:0 0 12px;font:700 clamp(2rem,5vw,3.4rem)/1.08 var(--display);color:var(--bone)}
.panel p{max-width:32em;margin:0 auto 26px;color:var(--text)}

/* ---------- footer ---------- */
.site-footer{background:#070b1c;border-top:3px solid var(--red);padding:48px 0 28px;color:var(--muted);font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-grid h4{margin:0 0 12px;font:700 .95rem/1 var(--label);letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-grid a{color:var(--text);text-decoration:none}
.foot-grid a:hover{color:var(--gold-2);text-decoration:underline}
.foot-brand img{width:56px;height:56px;border-radius:14px;margin-bottom:14px}
.foot-brand p{margin:0;max-width:26em}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:22px;font-size:.88rem}

/* ---------- privacy page ---------- */
.page-hero{padding:clamp(44px,7vw,80px) 0 72px;text-align:center;background:radial-gradient(100% 120% at 50% 0%,#26356f,#151d3a 55%,var(--night));border-bottom:1px solid rgba(216,173,88,.2);position:relative}
.page-hero h1{margin:12px 0 8px;font:700 clamp(2.2rem,6vw,3.6rem)/1.05 var(--display);color:var(--bone);text-shadow:2px 3px 0 var(--red)}
.page-hero p{margin:0;color:var(--muted)}
.doc{max-width:820px;margin:clamp(-32px,-3vw,-16px) auto 0;position:relative}
.sheet{background:linear-gradient(180deg,var(--paper),var(--paper-2));color:#2a2722;border-radius:var(--radius);border:2px solid var(--gold);box-shadow:0 0 0 6px rgba(216,173,88,.14),0 24px 48px rgba(0,0,0,.4);padding:clamp(26px,5vw,56px)}
.sheet h2{margin:2em 0 .5em;font:700 1.45rem/1.2 var(--display);color:#2b1c1a;padding-left:16px;border-left:5px solid var(--red)}
.sheet h2:first-of-type{margin-top:0}
.sheet p,.sheet li{color:#37322b}
.sheet p{margin:.6em 0}
.sheet a{color:#9b2f1f;font-weight:600}
.sheet .note{margin:0 0 28px;padding:16px 18px;border-radius:12px;background:rgba(195,74,54,.1);border:1px solid rgba(195,74,54,.35);color:#4a2119}
.doc-wrap{padding-bottom:clamp(56px,8vw,96px)}
.back{display:inline-block;margin:28px 0 0;font:600 .95rem/1 var(--label);letter-spacing:.16em;text-transform:uppercase}

/* ---------- motion ---------- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes tw{0%,100%{opacity:.25;transform:scale(.7)}50%{opacity:1;transform:scale(1.15)}}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero-copy>*{animation:rise .7s both}
.hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}.hero-copy>*:nth-child(5){animation-delay:.32s}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .eyebrow{justify-content:center}.eyebrow::after{display:block}
  .lede{margin-inline:auto}.cta,.facts{justify-content:center}
  .hero-art{order:2;margin-top:12px}
  .cards,.step-grid,.sky-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}
}
@media (max-width:620px){
  :root{--header-h:60px}
  .nav a:not(.btn){display:none}
  .brand span{font-size:1.05rem}
  .cards,.step-grid,.sky-grid{grid-template-columns:1fr}
  .btn{width:100%}.nav .btn{width:auto}
  .hero-art .phone.back,.hero-art .phone.back-l{display:none}
  .foot-grid{grid-template-columns:1fr}
  .legal{flex-direction:column}
}