/* ===================================================================
   SaaS Yourself - PLACZ AX  | Brand: Dark Navy x Gold
   =================================================================== */
:root{
  --navy-900:#070d1f;
  --navy-800:#0a1228;
  --navy-700:#0d1b3a;
  --navy-600:#13234d;
  --gold:#c9a84c;
  --gold-bright:#e6c66a;
  --gold-soft:rgba(201,168,76,.14);
  --ink:#eef2fb;
  --ink-dim:#aab3cc;
  --ink-faint:#6b7799;
  --line:rgba(201,168,76,.18);
  --line-soft:rgba(255,255,255,.08);
  --radius:18px;
  --maxw:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%}
body{
  font-family:"Inter","Noto Sans JP",system-ui,sans-serif;
  background:var(--navy-800);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--gold-bright)}
.sp{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:700;font-size:.95rem;letter-spacing:.02em;
  padding:.85em 1.6em;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--navy-900);
  border:1px solid transparent;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;
  box-shadow:0 8px 30px -8px rgba(201,168,76,.55);
  cursor:pointer;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 44px -10px rgba(201,168,76,.7)}
.btn-lg{font-size:1.05rem;padding:1.05em 2em}
.btn-sm{padding:.6em 1.1em;font-size:.85rem}
.btn-ghost{
  background:transparent;color:var(--gold-bright);
  border:1px solid var(--line);box-shadow:none;
}
.btn-ghost:hover{background:var(--gold-soft);box-shadow:none}

/* ---------- Scroll progress ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));
}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,48px);
  transition:background .4s,backdrop-filter .4s,padding .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  background:rgba(7,13,31,.78);
  backdrop-filter:blur(14px);
  padding:12px clamp(20px,5vw,48px);
  border-bottom:1px solid var(--line-soft);
}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand-mark{font-weight:900;font-size:1.25rem;letter-spacing:-.02em}
.brand-mark.big{font-size:clamp(2.4rem,7vw,4.2rem)}
.brand-accent{color:var(--gold)}
.brand-by{font-size:.62rem;letter-spacing:.32em;color:var(--ink-faint);margin-top:2px}
.nav{display:flex;gap:30px}
.nav a{font-size:.9rem;color:var(--ink-dim);transition:color .25s;position:relative}
.nav a:hover{color:var(--gold-bright)}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--gold);transition:width .3s var(--ease)}
.nav a:hover::after{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
#bg3d{position:absolute;inset:0;width:100%;height:100%;max-width:100%;display:block;z-index:0}
.hero-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(70% 60% at 75% 30%,rgba(19,35,77,.15),transparent 60%),
    linear-gradient(180deg,rgba(7,13,31,.55) 0%,rgba(7,13,31,.2) 40%,var(--navy-800) 96%);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:120px clamp(20px,5vw,48px) 60px}
.eyebrow{font-size:.78rem;letter-spacing:.34em;color:var(--gold);font-weight:600;margin-bottom:26px}
.hero-title{
  font-weight:900;letter-spacing:-.02em;line-height:1.08;
  font-size:clamp(2.6rem,6.6vw,5.3rem);
  text-shadow:0 4px 40px rgba(0,0,0,.5);
}
.hero-title em{
  background:linear-gradient(120deg,var(--gold-bright),var(--gold));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.reveal-line{display:block;overflow:hidden}
.hero-sub{margin-top:28px;font-size:clamp(1rem,1.7vw,1.22rem);color:var(--ink-dim);max-width:640px}
.hero-sub strong{color:var(--ink)}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
.hero-meter{
  margin-top:54px;display:inline-block;
  padding:22px 30px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(13,27,58,.7),rgba(10,18,40,.4));
  backdrop-filter:blur(8px);
}
.meter-label{font-size:.78rem;letter-spacing:.16em;color:var(--ink-faint);text-transform:uppercase}
.meter-value{font-weight:900;font-size:clamp(2.2rem,5vw,3.4rem);color:var(--gold-bright);line-height:1.1;margin-top:4px}
.meter-currency{font-size:.6em;margin-right:.08em}
.meter-sub{font-size:.74rem;color:var(--ink-faint);margin-top:4px}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  font-size:.66rem;letter-spacing:.3em;color:var(--ink-faint);text-align:center;
}
.scroll-hint span{display:block;width:1px;height:46px;margin:0 auto 10px;background:linear-gradient(var(--gold),transparent);animation:scrollline 2s var(--ease) infinite}
@keyframes scrollline{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- What is SaaS ---------- */
.whatis{padding-top:clamp(64px,8vw,100px);padding-bottom:clamp(64px,8vw,100px)}
.whatis .section-head{margin-left:auto;margin-right:auto;margin-bottom:40px}
.whatis .lead{margin-top:16px}
.whatis .lead strong{color:var(--ink)}
.pc{display:inline}
.whatis-points{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 28px;margin-bottom:30px}
.wpoint{display:flex;align-items:center;gap:12px}
.wp-ic{
  width:34px;height:34px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;font-size:1rem;color:var(--gold-bright);
  background:var(--gold-soft);border:1px solid var(--line);
}
.wp-t{display:flex;flex-direction:column;line-height:1.4;font-size:.86rem;color:var(--ink-dim)}
.wp-t strong{color:var(--ink);font-size:.98rem;font-weight:800}
.whatis-examples{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.ex-label{font-size:.82rem;letter-spacing:.14em;color:var(--gold);font-weight:700;flex-shrink:0}
.ex-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ex-chips span{
  font-size:.86rem;color:var(--ink-dim);padding:.45em 1.1em;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.02);
}
.whatis-analogy{
  max-width:780px;margin:0 auto;text-align:center;
  padding:44px 40px;border-radius:22px;
  background:radial-gradient(90% 130% at 50% 0,rgba(201,168,76,.12),transparent 60%),linear-gradient(160deg,var(--navy-600),var(--navy-900));
  border:1px solid var(--line);
}
.analogy-tag{display:inline-block;font-size:.74rem;letter-spacing:.2em;color:var(--gold);font-weight:700;margin-bottom:14px}
.analogy-main{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;line-height:1.4;margin-bottom:14px}
.analogy-sub{color:var(--ink-dim);font-size:1rem;max-width:620px;margin:0 auto}

/* ---------- Strip ---------- */
.strip{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--navy-900)}
.strip-inner{max-width:var(--maxw);margin:0 auto;padding:34px clamp(20px,5vw,48px);text-align:center}
.strip-text{color:var(--ink-dim);font-size:.98rem;margin-bottom:18px}
.strip-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.strip-tags span{
  font-size:.82rem;color:var(--ink-dim);padding:.45em 1.1em;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.02);
}

/* ---------- Section base ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(80px,11vw,150px) clamp(20px,5vw,48px)}
.section-head{max-width:760px;margin-bottom:64px}
.section-head.center,.kicker.center{text-align:center}
.kicker{font-size:.74rem;letter-spacing:.32em;color:var(--gold);font-weight:700;margin-bottom:18px}
.kicker.center{margin-left:auto;margin-right:auto}
.section h2{font-weight:900;font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.22;letter-spacing:-.01em}
.lead{margin-top:22px;color:var(--ink-dim);font-size:clamp(1rem,1.5vw,1.15rem)}

/* ---------- Problem ---------- */
.problem{position:relative}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{
  position:relative;padding:38px 30px 34px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--navy-700),var(--navy-800));
  border:1px solid var(--line-soft);overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s;
}
.pcard:hover{transform:translateY(-6px);border-color:var(--line)}
.pcard::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 100% 0,var(--gold-soft),transparent 55%);opacity:0;transition:opacity .5s}
.pcard:hover::before{opacity:1}
.pcard-no{font-family:"Inter";font-weight:900;font-size:2.6rem;color:rgba(201,168,76,.28);line-height:1;margin-bottom:14px}
.pcard h3{font-size:1.35rem;font-weight:800;margin-bottom:12px}
.pcard p{color:var(--ink-dim);font-size:.96rem}
.problem-punch{text-align:center;font-size:clamp(1.4rem,3vw,2rem);font-weight:900;margin-top:60px}

/* ---------- Solution ---------- */
.solution{text-align:center}
.solution .section-head{margin-left:auto;margin-right:auto}
.steps-3{display:flex;align-items:stretch;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:10px}
.step{
  flex:1 1 260px;max-width:340px;padding:40px 28px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(19,35,77,.6),rgba(10,18,40,.6));
  border:1px solid var(--line);text-align:left;
  transition:transform .5s var(--ease),box-shadow .5s;
}
.step:hover{transform:translateY(-8px);box-shadow:0 24px 60px -24px rgba(201,168,76,.45)}
.step-icon{font-size:2.2rem;color:var(--gold-bright);margin-bottom:18px}
.step-tag{display:inline-block;font-weight:900;font-size:1.3rem;color:var(--gold-bright);margin-bottom:14px}
.step p{color:var(--ink-dim);font-size:.95rem}
.step p strong{color:var(--ink)}
.step-arrow{display:flex;align-items:center;color:var(--gold);font-size:1.8rem;font-weight:300}
.solution-quote{margin-top:64px}
.solution-quote p{font-size:clamp(1.2rem,2.6vw,1.7rem);font-weight:700;line-height:1.7}

/* ---------- Why now ---------- */
.whynow{position:relative}
.whynow-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.whynow-text h2{margin-bottom:24px}
.whynow-text p{color:var(--ink-dim);margin-bottom:18px}
.whynow-text strong{color:var(--ink)}
.check-list{list-style:none;margin-top:28px;display:grid;gap:14px}
.check-list li{position:relative;padding-left:34px;color:var(--ink)}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--gold-soft);color:var(--gold-bright);display:grid;place-items:center;font-size:.8rem;font-weight:900}
.stat-card{
  padding:40px 34px;border-radius:22px;
  background:linear-gradient(160deg,var(--navy-700),var(--navy-900));
  border:1px solid var(--line);box-shadow:0 30px 80px -40px rgba(0,0,0,.8);
}
.stat-big{font-weight:900;font-size:clamp(1.6rem,3vw,2.2rem);text-align:center}
.stat-big em{margin:0 .2em}
.stat-line{height:1px;background:var(--line);margin:26px 0}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed var(--line-soft);color:var(--ink-dim)}
.stat-row:last-child{border-bottom:none}
.stat-row strong{color:var(--gold-bright);font-size:1.05rem}

/* ---------- Flow / Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tl-item{
  position:relative;padding:32px 28px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--navy-700),var(--navy-800));
  border:1px solid var(--line-soft);transition:transform .5s var(--ease),border-color .5s;
}
.tl-item:hover{transform:translateY(-6px);border-color:var(--line)}
.tl-no{font-weight:900;font-size:.78rem;letter-spacing:.18em;color:var(--gold);margin-bottom:14px}
.tl-item h3{font-size:1.18rem;font-weight:800;margin-bottom:10px}
.tl-item p{color:var(--ink-dim);font-size:.92rem}

/* ---------- Simulator ---------- */
.sim{text-align:center}
.sim .section-head{margin-left:auto;margin-right:auto}
.sim-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;text-align:left;
  border-radius:24px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--navy-700),var(--navy-900));
  box-shadow:0 40px 100px -50px rgba(0,0,0,.85);
}
.sim-controls{padding:46px 42px;display:flex;flex-direction:column;gap:34px;border-right:1px solid var(--line-soft)}
.sim-field label{display:flex;justify-content:space-between;align-items:baseline;font-size:.92rem;color:var(--ink-dim);margin-bottom:14px}
.sim-field label span{font-weight:900;font-size:1.25rem;color:var(--gold-bright)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:rgba(255,255,255,.1);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--gold-bright),var(--gold));cursor:pointer;box-shadow:0 0 0 5px var(--gold-soft);transition:transform .2s}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border:none;border-radius:50%;background:var(--gold);cursor:pointer}
.sim-result{padding:46px 42px;display:flex;flex-direction:column;justify-content:center;gap:20px;background:rgba(7,13,31,.4)}
.sim-cap{font-size:.82rem;letter-spacing:.1em;color:var(--ink-faint);margin-bottom:6px}
.sim-amount{font-weight:900;font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.1}
.sim-amount.strike{color:var(--ink-faint);text-decoration:line-through;text-decoration-color:rgba(255,120,120,.5);font-size:clamp(1.4rem,3vw,2rem)}
.sim-amount.accent{color:var(--gold-bright)}
.sim-note{font-size:.9rem;color:var(--ink-dim);margin-top:4px}
.sim-note strong{color:var(--gold-bright)}
.sim-btn{margin-top:14px;align-self:flex-start}
.sim-disclaimer{text-align:center;font-size:.78rem;color:var(--ink-faint);margin-top:22px}

/* ---------- Pricing ---------- */
.pricing{text-align:center}
.pricing .section-head{margin-left:auto;margin-right:auto}
.price-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  position:relative;padding:44px 32px;border-radius:22px;text-align:center;
  background:linear-gradient(160deg,var(--navy-700),var(--navy-800));
  border:1px solid var(--line-soft);transition:transform .5s var(--ease)}
.price-card:hover{transform:translateY(-6px)}
.price-card.featured{border:1px solid var(--gold);background:linear-gradient(160deg,var(--navy-600),var(--navy-800));box-shadow:0 30px 80px -40px rgba(201,168,76,.5);transform:scale(1.03)}
.price-card.featured:hover{transform:scale(1.03) translateY(-6px)}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:var(--navy-900);font-size:.68rem;font-weight:900;letter-spacing:.14em;padding:.45em 1.2em;border-radius:999px}
.price-head{font-size:.92rem;letter-spacing:.1em;color:var(--ink-dim);margin-bottom:18px}
.price-main{font-weight:900;font-size:1.5rem;line-height:1.3;margin-bottom:16px}
.price-main span{color:var(--gold-bright);font-size:2rem}
.price-card p{color:var(--ink-dim);font-size:.92rem}
.price-card p strong{color:var(--ink)}

/* ---------- Narrow down ---------- */
.narrow-inner{max-width:980px;margin:0 auto;text-align:center}
.narrow-inner h2{margin-bottom:44px}
.narrow-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;text-align:left}
.narrow-col{padding:34px 30px;border-radius:var(--radius)}
.narrow-col.yes{background:linear-gradient(160deg,rgba(19,35,77,.7),rgba(10,18,40,.5));border:1px solid var(--line)}
.narrow-col.no{background:rgba(255,255,255,.02);border:1px solid var(--line-soft)}
.narrow-col h3{font-size:1.1rem;margin-bottom:20px;font-weight:800}
.narrow-col.yes h3{color:var(--gold-bright)}
.narrow-col.no h3{color:var(--ink-faint)}
.narrow-col ul{list-style:none;display:grid;gap:14px}
.narrow-col li{position:relative;padding-left:30px;color:var(--ink-dim);font-size:.95rem}
.narrow-col.yes li::before{content:"✓";position:absolute;left:0;color:var(--gold-bright);font-weight:900}
.narrow-col.no li::before{content:"−";position:absolute;left:0;color:var(--ink-faint);font-weight:900}
.narrow-note{margin-top:32px;color:var(--ink-dim)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:860px}
.faq-item{border:1px solid var(--line-soft);border-radius:14px;background:rgba(255,255,255,.02);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:24px 28px;font-weight:700;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold);font-size:1.5rem;font-weight:300;transition:transform .3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 28px 26px;color:var(--ink-dim);font-size:.95rem}

/* ---------- CTA ---------- */
.cta{position:relative}
.cta-inner{
  max-width:820px;margin:0 auto;text-align:center;
  padding:clamp(50px,7vw,80px) clamp(28px,6vw,70px);
  border-radius:30px;border:1px solid var(--line);
  background:
    radial-gradient(90% 120% at 50% 0,rgba(201,168,76,.12),transparent 60%),
    linear-gradient(160deg,var(--navy-600),var(--navy-900));
  box-shadow:0 50px 120px -50px rgba(0,0,0,.9);
}
.cta-inner h2{margin-bottom:20px}
.cta-inner>p{color:var(--ink-dim);margin-bottom:36px}
.cta-form{display:grid;gap:14px;max-width:460px;margin:0 auto}
.cta-form input{
  padding:1em 1.2em;border-radius:12px;border:1px solid var(--line-soft);
  background:rgba(7,13,31,.6);color:var(--ink);font-size:1rem;font-family:inherit;
}
.cta-form input:focus{outline:none;border-color:var(--gold)}
.cta-form input::placeholder{color:var(--ink-faint)}
.cta-form .btn{margin-top:6px}
.cta-assure{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;margin-top:26px;color:var(--ink-dim);font-size:.86rem}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line-soft);background:var(--navy-900)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:60px clamp(20px,5vw,48px) 40px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer-brand p{color:var(--ink-faint);font-size:.88rem;margin-top:14px;max-width:340px}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px;align-content:flex-start}
.footer-nav a{color:var(--ink-dim);font-size:.9rem;transition:color .25s}
.footer-nav a:hover{color:var(--gold-bright)}
.footer-bottom{text-align:center;padding:22px;border-top:1px solid var(--line-soft);color:var(--ink-faint);font-size:.8rem}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .nav{display:none}
  .cards-3,.timeline,.price-cards,.whatis-points{grid-template-columns:1fr}
  .whynow-grid{grid-template-columns:1fr;gap:40px}
  .sim-panel{grid-template-columns:1fr}
  .sim-controls{border-right:none;border-bottom:1px solid var(--line-soft)}
  .narrow-grid{grid-template-columns:1fr}
  .step-arrow{transform:rotate(90deg);width:36px;height:36px;flex:0 0 auto;margin:2px auto;font-size:1.6rem}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-6px)}
}
@media(max-width:560px){
  .sp{display:inline}
  .pc{display:none}
  .whatis-examples{flex-direction:column;gap:12px}
  .header{padding:14px 18px}
  .brand-by{display:none}
  .hero-inner{padding-top:100px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .cta-assure{flex-direction:column;gap:10px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}