:root{
  --indigo:#1b2a4a;
  --indigo-deep:#12203a;
  --indigo-soft:#2c3e63;
  --accent:#d7402a;
  --accent-soft:#e8634f;
  --cream:#f6f1e7;
  --paper:#fbf8f2;
  --ink:#23262d;
  --ink-soft:#5a6273;
  --line:#e6ded0;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 14px 40px rgba(27,42,74,.10);
  --shadow-sm:0 6px 18px rgba(27,42,74,.08);
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  font-weight:700;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,color .15s ease;
  padding:.85em 1.6em;font-size:15px;white-space:nowrap;
}
.btn-sm{padding:.6em 1.2em;font-size:14px}
.btn-lg{padding:1.05em 2.1em;font-size:17px}
.btn-block{display:flex;width:100%}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(215,64,42,.28)}
.btn-primary:hover{background:var(--accent-soft);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,64,42,.34)}
.btn-ghost{background:transparent;color:var(--indigo);border-color:var(--indigo)}
.btn-ghost:hover{background:var(--indigo);color:#fff;transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,248,242,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:var(--indigo);color:var(--cream);font-family:"Shippori Mincho",serif;
  font-weight:800;font-size:20px;
}
.logo-text{font-family:"Shippori Mincho",serif;font-weight:800;font-size:22px;color:var(--indigo);letter-spacing:.06em}
.nav{display:flex;gap:26px}
.nav a{font-size:14px;font-weight:500;color:var(--ink-soft);transition:color .15s}
.nav a:hover{color:var(--accent)}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(1200px 500px at 80% -10%,rgba(215,64,42,.10),transparent 60%),
    linear-gradient(180deg,var(--paper),var(--cream));
  padding:72px 0 84px;overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent);
  background:rgba(215,64,42,.10);padding:.4em 1em;border-radius:999px;margin-bottom:22px;
}
.hero-title{
  font-family:"Shippori Mincho",serif;font-weight:800;
  font-size:clamp(40px,6vw,64px);line-height:1.18;letter-spacing:.02em;color:var(--indigo);
}
.hero-title .accent{color:var(--accent)}
.hero-lead{margin:26px 0 32px;font-size:17px;color:var(--ink-soft)}
.hero-lead strong{color:var(--ink)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px}
.hero-badges li{position:relative;padding-left:24px;font-size:14px;font-weight:500;color:var(--indigo)}
.hero-badges li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:16px;height:16px;border-radius:50%;
  background:var(--accent);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat;
}
/* hero visual: noren + shop */
.hero-visual{position:relative;height:340px;display:grid;place-items:center}
.hero-shop{
  position:relative;width:280px;height:200px;align-self:end;
  background:var(--indigo);border-radius:14px 14px 6px 6px;
  box-shadow:var(--shadow);
}
.shop-window{position:absolute;left:26px;bottom:26px;width:90px;height:80px;background:var(--cream);border-radius:6px;opacity:.92}
.shop-door{position:absolute;right:34px;bottom:0;width:74px;height:120px;background:var(--indigo-deep);border-radius:6px 6px 0 0;border:3px solid var(--cream)}
.noren-curtain{
  position:absolute;top:34px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;background:var(--accent);border-radius:6px 6px 0 0;
  box-shadow:0 8px 22px rgba(215,64,42,.34);
  padding:14px 6px 0;
}
.noren-curtain span{
  font-family:"Shippori Mincho",serif;font-weight:800;font-size:24px;color:#fff;
  width:42px;text-align:center;padding-bottom:30px;position:relative;
  border-right:2px dashed rgba(255,255,255,.35);
}
.noren-curtain span:last-child{border-right:none}
.noren-curtain::after{
  content:"";position:absolute;top:0;left:0;right:0;height:8px;background:var(--indigo);border-radius:6px 6px 0 0;
}

/* ---------- trust bar ---------- */
.trust{background:var(--indigo);color:var(--cream)}
.trust-inner{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;padding:16px 24px;font-size:13.5px;font-weight:500;text-align:center}
.trust span:nth-child(even){opacity:.4}

/* ---------- sections common ---------- */
section{padding:88px 0}
.section-eyebrow{
  text-align:center;font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);margin-bottom:14px;text-transform:uppercase;
}
.section-eyebrow.light{color:var(--accent-soft)}
.section-title{
  text-align:center;font-family:"Shippori Mincho",serif;font-weight:800;
  font-size:clamp(26px,4vw,38px);line-height:1.4;color:var(--indigo);margin-bottom:18px;
}
.section-title.light{color:#fff}
.section-sub{text-align:center;color:var(--ink-soft);max-width:640px;margin:0 auto 46px;font-size:15.5px}

/* ---------- problem ---------- */
.problem{background:var(--paper)}
.problem .section-title{margin-bottom:48px}
.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.problem-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;
}
.problem-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.problem-icon{
  display:grid;place-items:center;width:50px;height:50px;border-radius:12px;
  background:rgba(215,64,42,.10);color:var(--accent);font-weight:800;font-size:17px;margin-bottom:16px;
}
.problem-card h3{font-size:17px;color:var(--indigo);margin-bottom:8px}
.problem-card p{font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ---------- service ---------- */
.service{background:var(--cream)}
.service .section-title{margin-bottom:50px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:#fff;border-radius:var(--radius);padding:34px 28px;
  box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.service-num{
  font-family:"Shippori Mincho",serif;font-weight:800;font-size:34px;color:var(--accent);
  opacity:.22;position:absolute;top:18px;right:24px;
}
.service-card h3{font-size:19px;color:var(--indigo);margin-bottom:12px}
.service-card p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- price ---------- */
.price{background:var(--paper)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-top:8px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 30px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;position:relative;
}
.price-card--popular{border:2px solid var(--accent);box-shadow:var(--shadow);transform:translateY(-8px)}
.plan-ribbon{
  position:absolute;top:-15px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:13px;font-weight:700;
  padding:.4em 1.3em;border-radius:999px;box-shadow:0 6px 16px rgba(215,64,42,.3);
}
.plan-name{font-family:"Shippori Mincho",serif;font-size:24px;color:var(--indigo);margin-bottom:8px}
.plan-desc{font-size:14px;color:var(--ink-soft);min-height:44px;margin-bottom:18px}
.plan-price{display:flex;flex-direction:column;gap:2px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:22px}
.plan-init{font-size:14px;color:var(--ink-soft)}
.plan-monthly{font-family:"Shippori Mincho",serif;font-weight:800;font-size:28px;color:var(--accent)}
.plan-feats{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1}
.plan-feats li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink)}
.plan-feats li::before{
  content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;
  background:var(--accent);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/11px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/11px no-repeat;
}
.price-note{text-align:center;color:var(--ink-soft);font-size:13px;margin-top:30px}

/* ---------- flow ---------- */
.flow{background:var(--cream)}
.flow-steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.flow-step{
  background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);
  position:relative;border-top:4px solid var(--accent);
}
.flow-day{
  font-family:"Shippori Mincho",serif;font-weight:800;font-size:15px;color:var(--accent);
  letter-spacing:.1em;margin-bottom:12px;
}
.flow-step h3{font-size:18px;color:var(--indigo);margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-soft)}

/* ---------- freemium ---------- */
.freemium{background:var(--indigo);padding:0}
.freemium-inner{
  padding:72px 24px;text-align:center;
  background:radial-gradient(700px 300px at 50% 0,rgba(215,64,42,.22),transparent 70%);
}
.freemium-copy h2{font-family:"Shippori Mincho",serif;font-size:clamp(26px,4vw,38px);color:#fff;margin-bottom:18px}
.freemium-copy p{color:rgba(246,241,231,.85);max-width:680px;margin:0 auto 30px;font-size:16px}
.freemium-copy p strong{color:#fff}

/* ---------- faq ---------- */
.faq{background:var(--paper)}
.faq .section-title{margin-bottom:44px}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 24px;
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:var(--indigo);
  font-size:16px;position:relative;padding-right:34px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:24px;color:var(--accent);font-weight:400;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 20px;color:var(--ink-soft);font-size:14.5px}

/* ---------- contact ---------- */
.contact{background:var(--indigo-deep)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-copy .section-eyebrow{text-align:left}
.contact-copy .section-title{text-align:left}
.contact-lead{color:rgba(246,241,231,.82);margin:8px 0 26px;font-size:15.5px}
.contact-points{list-style:none;display:flex;flex-direction:column;gap:12px}
.contact-points li{position:relative;padding-left:28px;color:#fff;font-size:15px}
.contact-points li::before{
  content:"";position:absolute;left:0;top:.4em;width:18px;height:18px;border-radius:50%;
  background:var(--accent);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/12px no-repeat;
}
.contact-form{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--indigo);margin-bottom:7px}
.field label span{
  font-size:11px;color:#fff;background:var(--accent);padding:.1em .6em;border-radius:4px;margin-left:6px;font-weight:700;
}
.field input,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;
  font-family:inherit;font-size:15px;color:var(--ink);background:var(--paper);transition:border .15s,box-shadow .15s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(215,64,42,.12);background:#fff}
.field textarea{resize:vertical}
.form-note{margin-top:14px;font-size:14px;text-align:center;min-height:20px}
.form-note.ok{color:#1d8a4e;font-weight:700}
.form-note.err{color:var(--accent);font-weight:700}

/* ---------- footer ---------- */
.site-footer{background:var(--indigo-deep);color:var(--cream);padding:54px 0 30px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
.footer-brand{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.footer-brand .logo-text{color:#fff}
.footer-brand p{width:100%;font-size:13px;color:rgba(246,241,231,.6);margin-top:6px}
.footer-nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-nav a{font-size:14px;color:rgba(246,241,231,.8);transition:color .15s}
.footer-nav a:hover{color:var(--accent-soft)}
.footer-copy{width:100%;text-align:center;font-size:12px;color:rgba(246,241,231,.45);border-top:1px solid rgba(255,255,255,.1);padding-top:22px;margin-top:10px}

/* ---------- floating cta (mobile) ---------- */
.floating-cta{
  position:fixed;right:18px;bottom:18px;z-index:60;display:none;
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  padding:.95em 1.5em;border-radius:999px;box-shadow:0 10px 28px rgba(215,64,42,.4);
}

/* ---------- responsive ---------- */
.sp-br{display:none}
@media(max-width:980px){
  .nav{display:none}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1;height:260px}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .price-card--popular{transform:none}
  .flow-steps{grid-template-columns:repeat(2,1fr)}
  .contact-inner{grid-template-columns:1fr;gap:30px}
}
@media(max-width:560px){
  section{padding:62px 0}
  .container{padding:0 18px}
  .problem-grid{grid-template-columns:1fr}
  .service-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .sp-br{display:inline}
  .header-inner .btn-sm{display:none}
  .floating-cta{display:inline-flex}
  .hero{padding:48px 0 60px}
}