:root {
  --bg: #ffffff;
  --text: #1a1d21;
  --muted: #5b6470;
  --accent: #2563eb;
  --accent-dark: #1e40af;
  --cyan: #0ea5e9;
  --surface: #f4f6f9;
  --border: #e2e7ee;
  --amber: #b45309;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
a { color: var(--accent); }
header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(255,255,255,.95); z-index: 10;
}
.logo { font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }
nav a { margin-left: 20px; color: var(--text); text-decoration: none; font-size: 14px; }
main { max-width: 920px; margin: 0 auto; padding: 0 24px 64px; }

/* Hero */
.hero {
  margin: 0 -24px; padding: 64px 24px 56px; text-align: center;
  background: linear-gradient(135deg, #172554, #1e40af 45%, #0369a1);
  color: #fff; border-radius: 0 0 24px 24px;
}
.badge {
  display: inline-block; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px; padding: 4px 16px; font-size: 13px; font-weight: 700; margin: 0 0 18px;
}
.hero h1 { font-size: 38px; line-height: 1.35; margin: 0 0 16px; }
.hero h1 em { font-style: normal; color: #fde68a; }
.hero .lead { color: #dbeafe; font-size: 17px; margin: 0 auto 28px; max-width: 620px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: 13px 28px; border-radius: 10px; font-weight: 700;
}
.cta:hover { background: var(--accent-dark); }
.cta.big { background: #fff; color: var(--accent-dark); font-size: 17px; padding: 15px 34px; }
.cta.big:hover { background: #e0f2fe; }
.cta.ghost { background: transparent; border: 2px solid rgba(255,255,255,.7); color: #fff; }
.cta.ghost:hover { background: rgba(255,255,255,.12); }
.cta.ghost.dark { border-color: var(--accent); color: var(--accent-dark); }
.note { color: var(--muted); font-size: 13px; }
.note.light { color: #bfdbfe; }

/* Hero mock */
.mock {
  background: #fff; color: var(--text); border-radius: 16px; text-align: left;
  max-width: 560px; margin: 34px auto 0; padding: 20px 22px;
  box-shadow: 0 18px 40px rgba(2, 6, 23, .35);
}
.mock-head { font-weight: 700; font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.mock-stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.mock-stats > div { background: var(--surface); border-radius: 10px; padding: 10px 14px; flex: 1; min-width: 130px; }
.mock-stats .k { display: block; font-size: 12px; color: var(--muted); }
.mock-stats .v { display: block; font-size: 22px; font-weight: 800; }
.mock-stats .v.hot { color: var(--amber); }
.mock-list { list-style: none; margin: 0; padding: 0; }
.mock-list li { display: flex; justify-content: space-between; padding: 8px 2px; border-top: 1px solid var(--border); font-size: 14px; }
.mock-foot { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

/* Sections */
section { padding: 44px 0 8px; }
h2 { font-size: 25px; margin: 0 0 20px; text-align: center; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

/* Steps */
.steps3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.stepcard { background: #fff; border: 2px solid var(--border); border-radius: 14px; padding: 22px; position: relative; }
.stepcard .num {
  width: 38px; height: 38px; border-radius: 50%; color: #fff; font-weight: 800; font-size: 18px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.stepcard h3 { margin: 0 0 8px; font-size: 17px; }
.stepcard p { margin: 0; color: var(--muted); font-size: 14px; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 2px 10px; color: #fff; vertical-align: middle; }
.tag.auto { background: var(--accent); }
.tag.user { background: #d97706; }

/* Impact */
.impact {
  background: linear-gradient(120deg, #451a03, #92400e); color: #fff;
  border-radius: 16px; padding: 30px 26px; text-align: center;
}
.impact-k { margin: 0 0 6px; color: #fde68a; font-weight: 700; }
.impact-v { margin: 0 0 10px; font-size: 30px; font-weight: 800; }

/* Compare */
table.compare { border-collapse: collapse; width: 100%; background: #fff; }
table.compare th, table.compare td { border: 1px solid var(--border); padding: 11px 14px; text-align: left; font-size: 14px; vertical-align: top; }
table.compare th { background: var(--surface); }
table.compare .hl { background: #eff6ff; }

/* Pricing / misc */
.price { font-size: 34px; font-weight: 800; color: var(--text) !important; }
.price span { font-size: 15px; color: var(--muted); font-weight: 400; }
.price-card { border-color: var(--accent); border-width: 2px; background: #fff; }
.price-box {
  border: 2px solid var(--accent); border-radius: 12px; padding: 28px;
  max-width: 420px; margin: 0 auto; text-align: center;
}
.price-box ul { text-align: left; margin: 16px 0 24px; }
dl dt { font-weight: 700; margin-top: 16px; }
dl dd { margin: 4px 0 0; color: var(--muted); }
ol.steps li { margin-bottom: 10px; }
details { border-bottom: 1px solid var(--border); padding: 12px 0; }
summary { font-weight: 700; cursor: pointer; }
table.tokusho { border-collapse: collapse; width: 100%; }
table.tokusho th, table.tokusho td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; vertical-align: top; }
table.tokusho th { background: var(--surface); width: 30%; }
.cta-band { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 34px 26px; text-align: center; }
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 22px; }
footer { border-top: 1px solid var(--border); padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }
footer a { margin: 0 10px; }
footer.site { border-top: 1px solid var(--border); padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }
footer.site a { margin: 0 10px; }
.legal h2 { font-size: 19px; margin-top: 32px; text-align: left; }
@media (max-width: 640px) {
  .hero h1 { font-size: 29px; }
  .impact-v { font-size: 23px; }
  nav a { margin-left: 12px; }
}