:root {
  --bg: #f2efe8;
  --ink: #19231f;
  --accent: #0f9d8f;
  --accent-2: #ff6b35;
  --card: rgba(255, 255, 255, 0.62);
  --stroke: rgba(25, 35, 31, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(15, 157, 143, 0.24), transparent 48%),
    radial-gradient(circle at 90% 10%, rgba(255, 107, 53, 0.18), transparent 45%),
    linear-gradient(145deg, #f9f7f3 0%, var(--bg) 100%);
  overflow-x: hidden;
}

.bg-noise {
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.02) 0,
    rgba(0, 0, 0, 0.02) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
}

.container {
  position: relative;
  width: min(1080px, 92vw);
  margin: 0 auto;
  padding: 72px 0 88px;
}

.hero {
  animation: enter 800ms ease both;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
}

h1 {
  margin: 20px 0 18px;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 5.8vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(1rem, 2.1vw, 1.25rem);
  line-height: 1.8;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(100deg, var(--accent), #1d8ccb);
  box-shadow: 0 12px 28px rgba(15, 157, 143, 0.24);
}

.btn.ghost {
  color: var(--ink);
  background-color: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--stroke);
}

.features {
  margin-top: 58px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.features article {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 18px;
  backdrop-filter: blur(6px);
  animation: enter 900ms ease both;
}

.features h2 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 1.05rem;
}

.features p {
  margin: 10px 0 0;
  line-height: 1.8;
}

.contact {
  margin-top: 38px;
  padding: 26px;
  background: rgba(25, 35, 31, 0.92);
  color: #f6f8f7;
  border-radius: 20px;
  animation: enter 1000ms ease both;
}

.contact h2 {
  margin-top: 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.4rem, 3.3vw, 2rem);
}

.contact p {
  line-height: 1.8;
}

.contact .btn.primary {
  background: linear-gradient(100deg, var(--accent-2), #f19129);
  box-shadow: none;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
  }
}