:root {
  --navy-950: #080d18;
  --navy-900: #0c1526;
  --navy-800: #131f36;
  --navy-700: #1b2c4a;
  --blue-500: #4f83ff;
  --blue-600: #2f6fed;
  --orange-400: #ffa14d;
  --orange-500: #ff8a2b;
  --gray-50: #f5f7fb;
  --gray-100: #eceff5;
  --gray-500: #6b7385;
  --gray-600: #545c6e;
  --gray-900: #161c29;
  --white: #ffffff;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 45px -20px rgba(12, 21, 38, 0.35);
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue-600);
  background: rgba(47, 111, 237, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(24px, 4vw, 32px); margin: 0 0 12px; color: var(--navy-900); text-wrap: balance; }
.section-head p { color: var(--gray-600); margin: 0; font-size: 15px; }

section { padding: 88px 0; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8, 13, 24, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-mark {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--white);
  background: linear-gradient(120deg, var(--blue-500), var(--orange-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-sub { font-size: 11px; color: rgba(255,255,255,0.55); letter-spacing: 0.08em; }

.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14px; color: rgba(255,255,255,0.78); transition: color .2s; }
.nav-links a:hover { color: var(--white); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: none;
  transition: transform .18s ease, box-shadow .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(120deg, #06c755, #05a648);
  color: var(--white);
  box-shadow: 0 14px 30px -12px rgba(6, 199, 85, 0.55);
}
.btn-outline {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-large { padding: 17px 34px; font-size: 15px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  width: 40px; height: 40px;
  color: var(--white);
  font-size: 18px;
}

/* Hero */
.hero {
  position: relative;
  padding: 168px 0 96px;
  background: radial-gradient(circle at 20% 20%, #16223c 0%, var(--navy-950) 62%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--white) 100%);
  pointer-events: none;
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.hero-copy, .hero-media { min-width: 0; }
.hero-copy .eyebrow { background: rgba(255,255,255,0.1); color: var(--orange-400); }
.hero h1 {
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.45;
  color: var(--white);
  margin: 0 0 20px;
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--orange-400), var(--blue-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead { color: rgba(255,255,255,0.72); font-size: 16px; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-meta { display: flex; gap: 22px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta strong { color: var(--white); font-size: 20px; }
.hero-meta span { color: rgba(255,255,255,0.5); font-size: 12px; }

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 70px -30px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.12);
}
.hero-media img { height: 460px; object-fit: cover; width: 100%; }
.hero-badge {
  position: absolute;
  left: 20px; bottom: 20px;
  background: rgba(8,13,24,0.78);
  backdrop-filter: blur(6px);
  color: var(--white);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,0.15);
}
.hero-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52,211,153,0.25); }

/* Pain points */
.pain { background: var(--gray-50); }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain-grid > *, .features-grid > *, .work-grid > *, .flow-grid > *, .testi-grid > * { min-width: 0; }
.pain-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--gray-100);
}
.pain-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,138,43,0.12);
  color: var(--orange-500);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.pain-card p { margin: 0; font-size: 14.5px; color: var(--gray-600); }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  padding: 30px 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-soft);
  height: 100%;
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue-500), var(--orange-400));
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 22px; font-weight: 700;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 16.5px; margin: 0 0 10px; color: var(--navy-900); }
.feature-card p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Work examples */
.work { background: var(--navy-950); }
.work .section-head h2 { color: var(--white); }
.work .section-head p { color: rgba(255,255,255,0.6); }
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy-800);
  border: 1px solid rgba(255,255,255,0.08);
}
.work-card img { height: 210px; object-fit: cover; width: 100%; }
.work-card-body { padding: 22px; }
.work-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--orange-400);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.work-card-body h3 { color: var(--white); font-size: 16.5px; margin: 0 0 8px; }
.work-card-body p { color: rgba(255,255,255,0.6); font-size: 13.5px; margin: 0; }

/* Quote band */
.quote-band {
  position: relative;
  padding: 100px 0;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.quote-band::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(8,13,24,0.92), rgba(8,13,24,0.72));
  z-index: -1;
}
.quote-band blockquote {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: var(--white);
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.8;
  font-weight: 500;
}
.quote-band cite {
  display: block;
  margin-top: 22px;
  font-style: normal;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

/* Income */
.income-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 44px;
  border: 1px solid var(--gray-100);
}
.income-panel > * { min-width: 0; }
.income-bars { display: flex; align-items: flex-end; gap: 18px; height: 220px; }
.income-bar { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.income-bar .bar {
  width: 100%;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, var(--orange-400), var(--blue-600));
}
.income-bar .amount { font-weight: 800; font-size: 14px; color: var(--navy-900); margin-bottom: 8px; }
.income-bar .label { font-size: 12px; color: var(--gray-500); margin-top: 10px; }
.income-copy h2 { font-size: 26px; margin: 0 0 16px; color: var(--navy-900); }
.income-copy p { color: var(--gray-600); font-size: 14.5px; }
.income-note { font-size: 12px; color: var(--gray-500); margin-top: 18px; }

/* Testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-soft);
}
.testi-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--white); font-size: 16px;
  flex-shrink: 0;
}
.testi-name { font-size: 14.5px; font-weight: 700; color: var(--navy-900); }
.testi-role { font-size: 12px; color: var(--gray-500); }
.testi-card p { font-size: 14px; color: var(--gray-600); margin: 0; }
.stars { color: var(--orange-500); font-size: 13px; margin-bottom: 10px; letter-spacing: 2px; }

/* Support / LINE */
.support {
  position: relative;
  background-size: cover;
  background-position: center;
  isolation: isolate;
  color: var(--white);
}
.support::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(8,13,24,0.94) 35%, rgba(8,13,24,0.55));
  z-index: -1;
}
.support-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.support-inner > * { min-width: 0; }
.support .eyebrow { background: rgba(255,255,255,0.12); color: var(--orange-400); }
.support h2 { font-size: 28px; margin: 0 0 18px; }
.support p { color: rgba(255,255,255,0.72); font-size: 15px; }
.support-list { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.support-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: rgba(255,255,255,0.85); }
.support-list li .check {
  width: 22px; height: 22px; border-radius: 50%;
  background: #06c755; color: white; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 12px; margin-top: 2px;
}
.line-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
  text-align: center;
}
.line-card .qr {
  width: 148px; height: 148px;
  margin: 0 auto 18px;
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(90deg, #0c1526 0 8px, transparent 8px 16px),
    repeating-linear-gradient(0deg, #0c1526 0 8px, transparent 8px 16px);
  background-color: #fff;
  background-blend-mode: multiply;
  position: relative;
}
.line-card .qr::after {
  content: "LINE";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #0c1526; font-weight: 800; font-size: 14px;
  background: rgba(255,255,255,0.85);
  width: 56px; height: 56px; margin: auto;
  border-radius: 8px;
}
.line-card p { color: rgba(255,255,255,0.6); font-size: 12.5px; margin-top: 14px; }

/* Flow */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: flow; }
.flow-card { position: relative; padding: 30px 22px 24px; border-radius: var(--radius-md); background: var(--gray-50); border: 1px solid var(--gray-100); }
.flow-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--navy-900); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; margin-bottom: 16px;
}
.flow-card h3 { font-size: 15px; margin: 0 0 8px; color: var(--navy-900); }
.flow-card p { font-size: 13px; color: var(--gray-600); margin: 0; }
.flow-arrow { position: absolute; right: -22px; top: 44px; color: var(--gray-500); font-size: 18px; }
.flow-card:last-child .flow-arrow { display: none; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 4px;
  background: none; border: none;
  font-size: 15px; font-weight: 700; color: var(--navy-900);
  text-align: left;
}
.faq-q .plus { font-size: 20px; color: var(--blue-600); transition: transform .2s; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-a p { padding: 0 4px 22px; margin: 0; font-size: 14px; color: var(--gray-600); }

/* Final CTA */
.final-cta {
  background: linear-gradient(120deg, var(--navy-950), #14213d);
  text-align: center;
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  margin: 0 24px;
  max-width: calc(var(--max-width) - 48px);
  margin-inline: auto;
}
.final-cta h2 { font-size: clamp(22px, 3.4vw, 30px); margin: 0 0 14px; }
.final-cta p { color: rgba(255,255,255,0.68); margin: 0 0 30px; font-size: 14.5px; }
.final-cta .btn-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
footer { background: var(--navy-950); color: rgba(255,255,255,0.55); padding: 56px 0 28px; margin-top: 96px; }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-mark { font-size: 22px; }
.footer-brand p { font-size: 12.5px; margin-top: 10px; max-width: 280px; }
.footer-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h4 { color: var(--white); font-size: 13px; margin: 0 0 14px; }
.footer-col li { font-size: 13px; margin-bottom: 10px; color: rgba(255,255,255,0.55); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; font-size: 12px; flex-wrap: wrap; gap: 10px; }
.demo-flag { color: var(--orange-400); }

/* Mobile */
@media (max-width: 960px) {
  .pain-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-arrow { display: none; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-media img { height: 320px; }
  .income-panel, .support-inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .site-header .wrap > .btn-primary { display: none; }
  .brand-sub { display: none; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(8, 13, 24, 0.97);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .pain-grid, .features-grid, .flow-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding-top: 128px; }
  .final-cta { padding: 44px 24px; margin: 0 16px; }
  .footer-grid { flex-direction: column; }
}