:root {
  --ink: #17332c;
  --muted: #64766f;
  --mint: #56c79e;
  --mint-dark: #17785b;
  --mint-soft: #e9f8f1;
  --cream: #fbfdfc;
  --line: #dceae4;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(27, 82, 65, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: Inter, ui-rounded, "SF Pro Rounded", "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(220, 234, 228, 0.8);
  background: rgba(251, 253, 252, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.38rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px 12px 12px 5px;
  color: var(--white);
  background: var(--ink);
  font-weight: 900;
  letter-spacing: -0.1em;
  transform: rotate(-3deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 750;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--mint-dark); }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 15px;
  color: var(--white);
  background: var(--ink);
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(23, 51, 44, 0.16);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(23, 51, 44, 0.2);
}

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 94px 0 86px;
}

.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  top: -250px;
  right: -110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(86, 199, 158, 0.28), rgba(86, 199, 158, 0));
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.75fr);
  align-items: center;
  gap: 80px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--mint-dark);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(86, 199, 158, 0.14);
}

h1, h2, h3 { line-height: 1.12; }

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3.3rem, 7.5vw, 6.7rem);
  letter-spacing: -0.075em;
}

h1 span { color: var(--mint-dark); }

.lead {
  max-width: 650px;
  margin: 28px 0 34px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.3vw, 1.28rem);
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.focus-card {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(220, 234, 228, 0.92);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.focus-card::after {
  content: "";
  position: absolute;
  width: 72px;
  height: 18px;
  left: 50%;
  top: -9px;
  border-radius: 6px;
  background: rgba(86, 199, 158, 0.55);
  transform: translateX(-50%) rotate(-3deg);
}

.focus-label { color: var(--muted); font-weight: 800; }
.focus-time { margin: 12px 0 2px; font-size: 4.4rem; line-height: 1; font-weight: 950; letter-spacing: -0.07em; }
.focus-sub { color: var(--muted); }

.progress-track {
  height: 12px;
  margin: 24px 0;
  overflow: hidden;
  border-radius: 99px;
  background: var(--mint-soft);
}

.progress-track span { display: block; width: 72%; height: 100%; border-radius: inherit; background: var(--mint); }

.reward-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-weight: 850;
}

.reward-row strong { color: var(--mint-dark); }

.section { padding: 88px 0; }
.section.soft { background: var(--mint-soft); }

.section-title {
  max-width: 700px;
  margin: 0 0 44px;
  font-size: clamp(2rem, 4.4vw, 3.7rem);
  letter-spacing: -0.055em;
}

.section-copy { max-width: 720px; color: var(--muted); font-size: 1.1rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--white);
}

.card-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 34px;
  border-radius: 14px;
  color: var(--mint-dark);
  background: var(--mint-soft);
  font-weight: 950;
}

.card h3 { margin: 0 0 12px; font-size: 1.34rem; letter-spacing: -0.025em; }
.card p { margin: 0; color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 68px;
  align-items: start;
}

.plain-list { display: grid; gap: 16px; }

.plain-list div {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.plain-list strong { display: block; margin-bottom: 5px; }
.plain-list span { color: var(--muted); }

.cta {
  padding: 76px 0;
  color: var(--white);
  background: var(--ink);
}

.cta-row { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta h2 { max-width: 680px; margin: 0; font-size: clamp(2.2rem, 5vw, 4.5rem); letter-spacing: -0.06em; }
.cta .button { color: var(--ink); background: var(--mint); box-shadow: none; white-space: nowrap; }

.page-hero { padding: 78px 0 54px; }
.page-hero h1 { max-width: 880px; font-size: clamp(2.8rem, 6vw, 5.4rem); }
.page-hero .lead { margin-bottom: 0; }

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: 64px;
  align-items: start;
  padding: 30px 0 100px;
}

.toc {
  position: sticky;
  top: 106px;
  display: grid;
  gap: 8px;
}

.toc a { color: var(--muted); text-decoration: none; font-weight: 750; }
.toc a:hover { color: var(--mint-dark); }

.article {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
}

.article section + section { margin-top: 42px; padding-top: 42px; border-top: 1px solid var(--line); }
.article h2 { margin: 0 0 16px; font-size: 1.75rem; letter-spacing: -0.035em; }
.article h3 { margin: 28px 0 8px; }
.article p, .article li { color: #435951; }
.article ul { padding-left: 20px; }
.article .updated { margin-top: 0; color: var(--muted); font-size: 0.92rem; }

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  padding: 22px 0 100px;
}

.support-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--white);
}

.support-card h2 { margin: 0 0 12px; font-size: 1.75rem; letter-spacing: -0.035em; }
.support-card p { color: var(--muted); }
.support-card .button { margin-top: 12px; }

.faq { display: grid; gap: 12px; }
.faq details { padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.faq summary { cursor: pointer; font-weight: 850; }
.faq p { margin: 12px 0 0; color: var(--muted); }

.site-footer { padding: 46px 0; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; }
.footer-copy { margin: 12px 0 0; color: var(--muted); font-size: 0.92rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.footer-links a { color: var(--muted); text-decoration: none; font-weight: 750; }

@media (max-width: 820px) {
  .nav-links a:not(.button) { display: none; }
  .hero { padding: 70px 0; }
  .hero-grid, .split, .support-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-grid { text-align: left; }
  .focus-card { max-width: 440px; transform: none; }
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .article-layout { grid-template-columns: 1fr; gap: 22px; }
  .toc { position: static; display: flex; flex-wrap: wrap; gap: 8px 16px; }
  .cta-row, .footer-row { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 540px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .nav { min-height: 66px; }
  .nav .button { min-height: 44px; padding: 0 15px; }
  .hero { padding-top: 54px; }
  h1 { font-size: 3.25rem; }
  .focus-card, .article, .support-card { padding: 25px; border-radius: 22px; }
  .focus-time { font-size: 3.7rem; }
  .section { padding: 68px 0; }
  .actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}