/* ==========================================================================
   HeadUp marketing site — shared stylesheet
   Design tokens are taken directly from the app's own UI spec so the
   marketing site reads as the same product, not a generic template.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&family=M+PLUS+Rounded+1c:wght@500;700;800&display=swap');

:root{
  /* --- brand colors (from HeadUp UI spec) --- */
  --slate:#2D3142;
  --indigo:#4353A4;
  --indigo-soft:rgba(67,83,164,.10);
  --indigo-soft2:rgba(67,83,164,.16);
  --lightblue:#6C8EF5;
  --lightblue-soft:rgba(108,142,245,.16);
  --bg:#F5F6FA;
  --card-solid:#FFFFFF;
  --card:rgba(255,255,255,.66);
  --card-border:rgba(255,255,255,.85);
  --gray:#9B9B9F;
  --gray-line:#E6E9F2;
  --danger:#D58787;
  --caution:#F0994C;

  /* --- type --- */
  --font-body:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Sans','Hiragino Kaku Gothic ProN',sans-serif;
  --font-round:'M PLUS Rounded 1c','Noto Sans JP',-apple-system,sans-serif;

  /* --- shape / shadow --- */
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 10px 34px rgba(45,49,66,.08);
  --shadow-soft:0 6px 18px rgba(45,49,66,.06);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--slate);
  background:
    radial-gradient(680px 420px at 82% -8%, rgba(108,142,245,.16), transparent 60%),
    radial-gradient(520px 360px at -6% 18%, rgba(213,135,135,.08), transparent 55%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.7;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

.visually-hidden{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;
}

:focus-visible{
  outline:2.5px solid var(--indigo);
  outline-offset:3px;
  border-radius:6px;
}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}
.wrap--narrow{max-width:760px;}

/* ---------------------------------------------------------------- header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,246,250,.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.7);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;color:var(--slate);}
.brand svg{width:30px;height:30px;flex:none;}
.brand .sub{display:none;}

.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  font-size:14.5px;font-weight:600;color:var(--slate);
  padding:9px 14px;border-radius:999px;
  transition:background .18s ease,color .18s ease;
}
.nav a:hover{background:var(--indigo-soft);color:var(--indigo);}
.nav a.is-current{background:var(--indigo);color:#fff;}

.nav-cta{
  margin-left:6px;
  background:var(--indigo);color:#fff !important;
  padding:10px 18px !important;border-radius:999px;
  font-weight:700 !important;
  box-shadow:0 6px 16px rgba(67,83,164,.28);
}
.nav-cta:hover{background:#394791;color:#fff !important;}

.lang-switch{
  font-size:13px;font-weight:700;color:var(--slate);
  border:1px solid rgba(45,49,66,.15);
  padding:7px 12px;border-radius:999px;
  margin-left:4px;
}
.lang-switch:hover{background:var(--indigo-soft);color:var(--indigo);}

.nav-toggle{display:none;}
.nav-toggle-label{
  display:none;
  width:40px;height:40px;border-radius:50%;
  align-items:center;justify-content:center;
  background:var(--indigo-soft);
  cursor:pointer;
}
.nav-toggle-label svg{width:18px;height:18px;}

@media (max-width:840px){
  .brand .sub{display:none;}
  .nav{
    position:absolute;top:68px;left:0;right:0;
    background:rgba(245,246,250,.97);
    backdrop-filter:blur(18px);
    flex-direction:column;align-items:stretch;
    padding:10px 20px 28px;gap:4px;
    border-bottom:1px solid rgba(255,255,255,.7);
    box-shadow:0 14px 30px rgba(45,49,66,.08);
    max-height:0;overflow:hidden;
    opacity:0;
    transition:max-height .28s ease, opacity .22s ease;
  }
  .nav a{padding:13px 14px;}
  .nav-cta{margin-left:0;text-align:center;padding:13px 18px !important;}
  .nav-toggle:checked ~ .nav{max-height:none;opacity:1;}
  .nav-toggle-label{display:flex;}
  .nav-cta{margin-left:0;text-align:center;}
}

/* ---------------------------------------------------------------- footer */
.site-footer{
  margin-top:96px;
  padding:48px 0 36px;
  border-top:1px solid rgba(0,0,0,.05);
}
.footer-grid{
  display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;
  margin-bottom:28px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;}
.footer-brand svg{width:26px;height:26px;}
.footer-tagline{color:var(--gray);font-size:13px;margin-top:8px;max-width:280px;}
.footer-links{display:flex;gap:36px;flex-wrap:wrap;}
.footer-col h4{font-size:12px;color:var(--gray);font-weight:700;letter-spacing:.06em;margin:0 0 12px;}
.footer-col a{display:block;font-size:14px;font-weight:600;color:var(--slate);padding:4px 0;}
.footer-col a:hover{color:var(--indigo);}
.footer-bottom{
  font-size:12.5px;color:var(--gray);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  padding-top:20px;border-top:1px solid rgba(0,0,0,.05);
}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-weight:700;font-size:15px;
  border:none;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 10px 24px rgba(67,83,164,.32);}
.btn-primary:hover{background:#394791;}
.btn-ghost{background:rgba(255,255,255,.7);color:var(--slate);border:1px solid rgba(45,49,66,.12);}
.btn-ghost:hover{background:#fff;}

/* ---------------------------------------------------------------- glass card */
.glass-card{
  background:var(--card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--card-border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.solid-card{
  background:var(--card-solid);
  border:1px solid rgba(0,0,0,.06);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);
}

/* ---------------------------------------------------------------- eyebrow */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--indigo);
  background:var(--indigo-soft);
  padding:7px 14px;border-radius:999px;
  letter-spacing:.03em;
}

/* ---------------------------------------------------------------- numerals */
.num{font-family:var(--font-round);}

/* ============================================================== PAGE HERO */
.hero{
  padding:64px 0 40px;
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.32;
  font-weight:800;
  margin:18px 0 18px;
  letter-spacing:-.01em;
}
.hero h1 .hl{color:var(--indigo);}
.hero p.lead{
  font-size:16.5px;color:#54586A;max-width:480px;margin:0 0 28px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:18px;}
.price-note{font-size:13px;color:var(--gray);}
.price-note .num{color:var(--slate);font-weight:700;}
.price-note .was{text-decoration:line-through;opacity:.6;margin-right:4px;}
.campaign-badge{
  display:inline-block;
  background:#F0994C;
  color:#fff;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;
  margin-right:8px;
  letter-spacing:.02em;
  vertical-align:middle;
}

@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;}
  .hero{padding:32px 0 20px;text-align:left;}
}

/* ----- gauge signature element ----- */
.gauge-stage{
  position:relative;
  display:flex;flex-direction:column;align-items:center;
  padding:34px 26px 28px;
}
.gauge-stage svg{width:100%;max-width:380px;height:auto;}
.gauge-readout{
  text-align:center;margin-top:-26px;position:relative;z-index:2;
}
.gauge-readout .deg{
  font-size:60px;font-weight:700;color:var(--slate);font-family:var(--font-round);
  line-height:1;
}
.gauge-readout .deg sup{font-size:26px;font-weight:600;}
.gauge-readout .sub{font-size:13px;color:var(--gray);margin-top:4px;}
.alert-chip{
  position:absolute;top:18px;right:22px;
  display:flex;align-items:center;gap:6px;
  background:var(--danger);color:#fff;
  font-size:12px;font-weight:700;
  padding:7px 12px;border-radius:999px;
  box-shadow:0 6px 16px rgba(213,135,135,.45);
  opacity:0;transform:translateY(-6px) scale(.92);
  transition:opacity .25s ease, transform .25s ease;
}
.alert-chip.show{opacity:1;transform:translateY(0) scale(1);}
.alert-chip svg{width:13px;height:13px;}

#needle-group{transition:transform 1.1s cubic-bezier(.45,0,.2,1);}

/* ============================================================== SECTIONS */
.section{padding:70px 0;}
.section-head{max-width:560px;margin:0 0 40px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);font-weight:800;margin:0 0 12px;letter-spacing:-.01em;
}
.section-head p{color:#54586A;font-size:15.5px;margin:0;}
.section-head.center{margin-inline:auto;text-align:center;}

/* ----- problem / why section ----- */
.problem-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.problem-grid p{color:#4B4F62;font-size:15.5px;margin:0 0 14px;}
.problem-stats{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap;}
.problem-stat{
  background:var(--card-solid);border-radius:var(--r-md);
  padding:16px 18px;flex:1;min-width:130px;
  border:1px solid rgba(0,0,0,.05);
}
.problem-stat .num{font-size:26px;font-weight:700;color:var(--indigo);display:block;}
.problem-stat .label{font-size:12.5px;color:var(--gray);margin-top:2px;}
@media (max-width:880px){.problem-grid{grid-template-columns:1fr;}}

/* ----- how it works / mini app mockups ----- */
.tabs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:880px){.tabs-grid{grid-template-columns:1fr;}}
.tab-card{padding:22px;display:flex;flex-direction:column;gap:16px;}
.tab-card .tab-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;color:var(--indigo);
  background:var(--indigo-soft);padding:5px 11px;border-radius:999px;width:fit-content;
}
.tab-card h3{font-size:16px;font-weight:800;margin:0;}
.tab-card p{font-size:13.5px;color:var(--gray);margin:0;}
.mini-stage{
  background:rgba(255,255,255,.55);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-md);
  padding:18px 14px 14px;
  display:flex;justify-content:center;
}

/* mini settings rows */
.mini-settings{width:100%;}
.mini-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 4px;border-bottom:1px solid var(--gray-line);
  font-size:12.5px;font-weight:600;color:var(--slate);
}
.mini-row:last-child{border-bottom:none;}
.mini-pill{
  background:var(--indigo-soft2);color:var(--indigo);
  font-family:var(--font-round);font-weight:700;font-size:12px;
  padding:3px 10px;border-radius:999px;
}
.mini-toggle{
  width:32px;height:18px;border-radius:999px;position:relative;flex:none;
}
.mini-toggle::after{
  content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;
  background:#fff;border-radius:50%;box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.mini-toggle.on{background:var(--indigo);}
.mini-toggle.on::after{left:16px;}
.mini-toggle.off{background:#D8D8DC;}

/* mini today card */
.mini-today{
  display:flex;width:100%;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid rgba(0,0,0,.05);background:#fff;
}
.mini-today .cell{flex:1;text-align:center;padding:12px 6px;}
.mini-today .cell + .cell{border-left:1px solid var(--gray-line);}
.mini-today .cell .v{font-family:var(--font-round);font-weight:700;font-size:20px;color:var(--slate);}
.mini-today .cell .v small{font-size:11px;color:var(--gray);font-weight:600;}
.mini-today .cell .l{font-size:10.5px;color:var(--gray);margin-top:2px;font-weight:600;}
.mini-today-head{
  background:var(--indigo);color:#fff;font-size:10.5px;font-weight:700;
  text-align:center;padding:5px;letter-spacing:.06em;width:100%;
}

/* mini chart */
.mini-chart{width:100%;}

/* ----- features ----- */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:720px){.feat-grid{grid-template-columns:1fr;}}
.feat{padding:24px;display:flex;gap:16px;align-items:flex-start;}
.feat .ico{
  flex:none;width:44px;height:44px;border-radius:14px;
  background:var(--indigo-soft);
  display:flex;align-items:center;justify-content:center;
}
.feat .ico svg{width:22px;height:22px;color:var(--indigo);stroke:var(--indigo);}
.feat h3{font-size:15.5px;font-weight:800;margin:2px 0 6px;}
.feat p{font-size:13.5px;color:var(--gray);margin:0;line-height:1.65;}

/* ----- pricing / cta band ----- */
.cta-band{
  padding:46px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  background:linear-gradient(135deg, var(--indigo), #5C6FC7);
  border-radius:var(--r-lg);color:#fff;
}
.cta-band h2{font-size:24px;margin:0 0 8px;font-weight:800;}
.cta-band p{margin:0;opacity:.85;font-size:14.5px;}
.cta-band .btn-primary{background:#fff;color:var(--indigo);box-shadow:none;}
.cta-band .btn-primary:hover{background:#EDEFFB;}

/* ============================================================== NEWS PAGE */
.page-head{padding:56px 0 18px;}
.page-head .eyebrow{margin-bottom:14px;}
.page-head h1{font-size:clamp(26px,4vw,38px);font-weight:800;margin:0 0 12px;}
.page-head p{color:#54586A;font-size:15px;max-width:560px;margin:0;}

.news-year{
  font-size:13px;font-weight:700;color:var(--gray);
  margin:36px 0 14px;letter-spacing:.08em;
}
.news-year:first-of-type{margin-top:8px;}

.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  padding:22px 26px;
  display:grid;grid-template-columns:120px 1fr;gap:20px;
}
.news-item time{
  font-family:var(--font-round);font-weight:700;font-size:14px;color:var(--indigo);
  padding-top:2px;
}
.news-item .tag{
  display:inline-block;font-size:11px;font-weight:700;
  padding:3px 9px;border-radius:999px;margin-bottom:8px;
}
.tag-release{background:var(--indigo-soft);color:var(--indigo);}
.tag-update{background:var(--lightblue-soft);color:#3B5BD0;}
.tag-info{background:#F0994C;color:#fff;}
.news-item h3{font-size:16px;font-weight:800;margin:0 0 6px;}
.news-item p{font-size:14px;color:#54586A;margin:0;}
@media (max-width:640px){
  .news-item{grid-template-columns:1fr;gap:6px;}
}

/* ============================================================== LEGAL PAGES */
.legal-meta{
  font-size:13px;color:var(--gray);margin:0 0 36px;
  padding-bottom:20px;border-bottom:1px solid rgba(0,0,0,.06);
}
.legal-meta strong{color:var(--slate);}
.legal article{margin-bottom:34px;}
.legal article h2{
  font-size:17px;font-weight:800;margin:0 0 12px;
  display:flex;align-items:baseline;gap:10px;
}
.legal article h2 .no{
  font-family:var(--font-round);color:var(--indigo);font-size:14px;font-weight:700;
}
.legal article p, .legal article li{font-size:14.5px;color:#454A5C;margin:0 0 8px;}
.legal article ol, .legal article ul{padding-left:1.3em;margin:0 0 8px;}
.legal article ol li{list-style:decimal;}
.legal article ul li{list-style:disc;}
.legal table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;}
.legal table th, .legal table td{
  text-align:left;padding:10px 12px;border-bottom:1px solid var(--gray-line);
}
.legal table th{color:var(--gray);font-weight:700;font-size:12.5px;}
.legal .note-box{
  background:var(--indigo-soft);border-radius:var(--r-sm);
  padding:14px 18px;font-size:13.5px;color:#3A4170;margin:14px 0;
}

/* ============================================================== CONTACT PAGE */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr;}}
.contact-info{padding:30px;}
.contact-info h3{font-size:16px;font-weight:800;margin:0 0 12px;}
.contact-info p{font-size:14px;color:#54586A;margin:0 0 16px;}
.contact-line{
  display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;
  padding:11px 0;border-top:1px solid var(--gray-line);
}
.contact-line:first-of-type{border-top:none;}
.contact-line svg{width:18px;height:18px;color:var(--indigo);flex:none;}
.faq-mini{margin-top:8px;}
.faq-mini summary{font-size:13.5px;font-weight:700;cursor:pointer;padding:10px 0;}
.faq-mini p{font-size:13px;color:var(--gray);margin:0 0 10px;}

.form-frame-card{padding:0px;overflow:hidden;}
.form-frame-head{padding:18px 22px 12px;}
.form-frame-head h3{font-size:16px;font-weight:800;margin:0 0 4px;}
.form-frame-head p{font-size:13px;color:var(--gray);margin:0;}
.form-frame{
  margin:0;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid rgba(0,0,0,.06);
  background:#fff;
  min-height:860px;
}
.form-frame iframe{width:100%;height:860px;border:0;display:block;}
.form-frame-fallback{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:60px 28px;color:var(--gray);font-size:13.5px;
  min-height:860px;
}
.form-frame-fallback svg{width:40px;height:40px;color:var(--gray);}
.dev-note{
  font-size:12px;color:var(--gray);background:#FBFBFD;border:1px dashed rgba(0,0,0,.12);
  border-radius:10px;padding:10px 14px;margin-top:10px;
}

/* ============================================================== misc */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}