/* CreatorCastHub — "sky magic" theme
   Playful, pop, dimensional, water-blue. EN default with JP toggle.
   Self-hosted system fonts, no trackers. */

:root{
  --sky-1:#eaf7ff;
  --sky-2:#d2ecff;
  --sky-3:#bfe3ff;
  --bg:#f2fbff;
  --surface:#ffffff;
  --text:#123b57;
  --muted:#5b7c93;
  --cyan:#22b8ff;
  --cyan-deep:#0a94e6;
  --blue:#3d7bff;
  --aqua:#4fe3d3;
  --sun:#ffd23f;
  --pink:#ff86c8;
  --border:#d6ecfb;
  --ring:rgba(34,184,255,.25);
  --shadow:0 6px 18px rgba(24,120,190,.10), 0 2px 6px rgba(24,120,190,.08);
  --shadow-3d:0 18px 40px rgba(24,120,190,.18), 0 6px 14px rgba(24,120,190,.12);
  --shadow-pop:0 14px 0 rgba(10,148,230,.18);
  --radius:22px;
  --radius-lg:30px;
  --maxw:980px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Nunito","Baloo 2",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Rounded Mplus 1c","Hiragino Maru Gothic ProN","Noto Sans JP",sans-serif;
  color:var(--text);
  background:
    radial-gradient(70% 55% at 50% -8%, #ffffff 0%, rgba(255,255,255,0) 60%),
    radial-gradient(90% 60% at 100% 0%, rgba(79,227,211,.22), transparent 55%),
    radial-gradient(80% 60% at 0% 5%, rgba(255,134,200,.14), transparent 55%),
    linear-gradient(180deg, var(--sky-1), var(--bg) 40%);
  background-attachment:fixed;
  line-height:1.66;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{line-height:1.18;font-weight:800;}

a{color:var(--cyan-deep);text-decoration:none;transition:.15s;}
a:hover{color:var(--blue);}

/* Language toggle */
.lang-jp{display:none;}
body.jp .lang-en{display:none;}
body.jp .lang-jp{display:inline;}
body.jp .lang-jp.block{display:block;}
.lang-en.block{display:block;}
.lang-switch{
  display:inline-flex;background:var(--surface);border:2px solid var(--border);border-radius:999px;
  padding:3px;box-shadow:var(--shadow);
}
.lang-switch button{
  border:none;background:transparent;cursor:pointer;font:inherit;font-weight:800;font-size:13px;
  color:var(--muted);padding:6px 14px;border-radius:999px;transition:.15s;
}
.lang-switch button.active{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;box-shadow:0 4px 10px var(--ring);}

/* Header */
.site-header{position:sticky;top:0;z-index:30;
  background:rgba(242,251,255,.8);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(214,236,251,.7);}
.nav{max-width:var(--maxw);margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:19px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:38px;height:38px;border-radius:13px;
  background:linear-gradient(150deg,var(--cyan),var(--blue));
  box-shadow:0 8px 16px rgba(34,184,255,.4), inset 0 2px 4px rgba(255,255,255,.5);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:15px;transform:rotate(-4deg);}
.nav-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.nav-links{display:flex;gap:4px;flex-wrap:wrap;font-size:14.5px;}
.nav-links a{color:var(--muted);padding:7px 12px;border-radius:11px;font-weight:700;}
.nav-links a:hover{color:var(--cyan-deep);background:#e7f5ff;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:90px 22px 40px;text-align:center;}
.hero-inner{max-width:780px;margin:0 auto;position:relative;z-index:2;}
.badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:2px solid var(--border);
  color:var(--cyan-deep);font-size:.85rem;font-weight:800;padding:8px 17px;border-radius:999px;margin-bottom:22px;box-shadow:var(--shadow);}
.badge::before{content:"✨";}
.hero h1{font-size:3rem;margin:0 0 18px;font-weight:900;letter-spacing:-.02em;
  color:#0e3f60;text-shadow:0 3px 0 rgba(191,227,255,.7);}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--blue) 60%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:1.2rem;color:#40617a;max-width:640px;margin:0 auto 8px;font-weight:600;}
.hero .sub{font-size:1rem;color:var(--muted);max-width:600px;margin:12px auto 0;font-weight:600;}

/* floating decorations */
.floaties{position:absolute;inset:0;z-index:1;pointer-events:none;}
.floaty{position:absolute;opacity:.85;animation:bob 6s ease-in-out infinite;}
.floaty.c1{top:60px;left:6%;animation-delay:0s;}
.floaty.c2{top:130px;right:8%;animation-delay:1.2s;}
.floaty.c3{top:250px;left:12%;animation-delay:.6s;}
.floaty.c4{top:210px;right:16%;animation-delay:1.8s;}
@keyframes bob{0%,100%{transform:translateY(0) rotate(0);}50%{transform:translateY(-16px) rotate(3deg);}}

/* buttons */
.btn{display:inline-block;background:linear-gradient(150deg,var(--cyan),var(--blue));color:#fff;
  padding:15px 34px;border-radius:999px;font-weight:900;font-size:1.05rem;border:none;cursor:pointer;
  box-shadow:0 10px 0 var(--cyan-deep), 0 16px 26px rgba(34,184,255,.35), inset 0 2px 3px rgba(255,255,255,.4);
  transition:transform .12s ease, box-shadow .12s ease;}
.btn:hover{transform:translateY(-3px);color:#fff;text-decoration:none;box-shadow:0 13px 0 var(--cyan-deep),0 20px 30px rgba(34,184,255,.42),inset 0 2px 3px rgba(255,255,255,.4);}
.btn:active{transform:translateY(6px);box-shadow:0 4px 0 var(--cyan-deep),0 8px 14px rgba(34,184,255,.3);}

/* wave divider */
.wave{display:block;width:100%;height:70px;margin-bottom:-6px;}

/* Sections */
main{max-width:var(--maxw);margin:0 auto;padding:20px 22px 70px;}
.section-title{text-align:center;font-size:2rem;font-weight:900;margin:6px 0 6px;color:#0e3f60;}
.section-title .emoji{font-size:1.6rem;}
.section-sub{text-align:center;color:var(--muted);max-width:580px;margin:0 auto 10px;font-size:1.02rem;font-weight:600;}

/* Service chips */
.services{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:30px 0 8px;}
.chip{display:flex;align-items:center;gap:12px;background:#fff;border:2px solid var(--border);border-radius:20px;
  padding:16px 26px;font-weight:900;font-size:1.05rem;box-shadow:var(--shadow);transition:transform .15s ease, box-shadow .15s ease;}
.chip:hover{transform:translateY(-5px) rotate(-1deg);box-shadow:var(--shadow-3d);}
.chip .dot{width:16px;height:16px;border-radius:50%;box-shadow:inset 0 -2px 3px rgba(0,0,0,.15);}
.chip.ig .dot{background:linear-gradient(135deg,#f58529,#dd2a7b,#8134af);}
.chip.tt .dot{background:linear-gradient(135deg,#25f4ee,#111,#fe2c55);}
.chip.yt .dot{background:linear-gradient(135deg,#ff5b5b,#ff0033);}
.chip.x .dot{background:linear-gradient(135deg,#333,#000);}
.chip.pin .dot{background:linear-gradient(135deg,#ff5a7a,#e60023);}

/* Cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin:36px 0;}
.card{position:relative;background:#fff;border:2px solid var(--border);border-radius:var(--radius);padding:28px 26px;
  box-shadow:var(--shadow);transition:transform .18s ease, box-shadow .18s ease;}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow-3d);}
.card .ico{width:58px;height:58px;border-radius:18px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;font-size:28px;
  background:linear-gradient(150deg,#e3f6ff,#d3ecff);box-shadow:inset 0 2px 5px rgba(255,255,255,.8), 0 6px 14px rgba(34,184,255,.18);}
.card.c-yellow .ico{background:linear-gradient(150deg,#fff2c4,#ffe07a);}
.card.c-pink .ico{background:linear-gradient(150deg,#ffe0f0,#ffc0e0);}
.card.c-aqua .ico{background:linear-gradient(150deg,#d5fff8,#a9f3e8);}
.card h3{margin:0 0 8px;font-size:1.18rem;font-weight:900;}
.card p{margin:0;color:var(--muted);font-size:.97rem;font-weight:600;}

/* Steps */
.steps{counter-reset:step;list-style:none;padding:0;margin:30px auto;max-width:700px;}
.steps li{position:relative;padding:20px 22px 20px 70px;margin:14px 0;background:#fff;border:2px solid var(--border);
  border-radius:20px;box-shadow:var(--shadow);font-size:1rem;font-weight:600;transition:transform .15s;}
.steps li:hover{transform:translateX(6px);}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:14px;background:linear-gradient(150deg,var(--cyan),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.05rem;
  box-shadow:0 6px 14px rgba(34,184,255,.4), inset 0 2px 3px rgba(255,255,255,.4);}

/* CTA band */
.cta{max-width:var(--maxw);margin:20px auto 0;padding:0 22px;}
.cta-inner{background:linear-gradient(150deg,var(--cyan),var(--blue));border-radius:var(--radius-lg);
  padding:44px 28px;text-align:center;color:#fff;box-shadow:var(--shadow-3d);position:relative;overflow:hidden;}
.cta-inner h2{color:#fff;font-size:1.8rem;margin:0 0 10px;}
.cta-inner p{color:rgba(255,255,255,.92);margin:0 0 22px;font-weight:600;}
.cta .btn{background:#fff;color:var(--cyan-deep);box-shadow:0 10px 0 #cdeafd,0 16px 26px rgba(0,0,0,.15);}
.cta .btn:hover{color:var(--blue);box-shadow:0 13px 0 #cdeafd,0 20px 30px rgba(0,0,0,.18);}

/* Doc pages */
.doc{max-width:780px;background:#fff;border:2px solid var(--border);border-radius:var(--radius);
  padding:40px 38px;box-shadow:var(--shadow);margin-top:24px;}
.doc h1{font-size:2.1rem;margin:0 0 6px;font-weight:900;color:#0e3f60;}
.doc .updated{color:var(--muted);font-size:.92rem;margin-bottom:26px;font-weight:600;}
.doc h2{font-size:1.3rem;font-weight:900;margin:34px 0 12px;padding-top:22px;border-top:2px dashed var(--border);color:#0e3f60;}
.doc h3{font-size:1.08rem;font-weight:800;margin:22px 0 8px;}
.doc ul{padding-left:22px;}
.doc li{margin:7px 0;}
.doc table{width:100%;border-collapse:separate;border-spacing:0;margin:18px 0;font-size:.93rem;border:2px solid var(--border);border-radius:16px;overflow:hidden;}
.doc th,.doc td{border-bottom:1px solid var(--border);padding:12px 14px;text-align:left;vertical-align:top;}
.doc tr:last-child td{border-bottom:none;}
.doc th{background:#eaf7ff;font-weight:800;}
.note{background:linear-gradient(150deg,#eaf7ff,#e3fbf6);border:2px solid var(--border);border-radius:16px;padding:16px 18px;margin:20px 0;font-size:.96rem;font-weight:600;}
.jp{color:var(--muted);}
input,textarea{font-family:inherit;font-size:.97rem;border:2px solid var(--border);border-radius:12px;}
input:focus,textarea:focus{outline:none;border-color:var(--cyan)!important;box-shadow:0 0 0 4px var(--ring);}

/* Footer */
.site-footer{border-top:2px solid var(--border);background:linear-gradient(180deg,transparent,#e9f6ff);margin-top:50px;}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:34px 22px 10px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.9rem;color:var(--muted);font-weight:600;}
.footer-inner > div:first-child{font-weight:900;color:var(--text);}
.footer-links{display:flex;gap:6px;flex-wrap:wrap;}
.footer-links a{color:var(--muted);padding:4px 9px;border-radius:9px;}
.footer-links a:hover{color:var(--cyan-deep);background:#fff;}
.disclaimer{max-width:var(--maxw);margin:0 auto;padding:10px 22px 34px;font-size:.82rem;color:var(--muted);line-height:1.6;}

@media (max-width:640px){
  .hero{padding:64px 18px 30px;}
  .hero h1{font-size:2.1rem;}
  .hero p.lead{font-size:1.05rem;}
  .nav{justify-content:center;}
  .doc{padding:26px 20px;}
  .footer-inner{flex-direction:column;}
  main{padding:16px 18px 56px;}
}