/* === Yorukuru LP === */
:root {
  --ink: #141831;
  --ink-2: #3a4066;
  --ink-3: #6a7099;
  --line: #e4e7f4;
  --bg: #ffffff;
  --bg-soft: #f6f8ff;
  --bg-lav: #eceffc;
  --bg-pink: #eef3ff;
  --pink: #4f6fd6;
  --pink-2: #2f3f9c;
  --purple: #5566d8;
  --purple-2: #3a3f9e;
  --blue: #8fb4ff;
  --gold: #f5b94d;
  --navy: #2b2c6b;
  --navy-2: #1b1c4a;
  --grad: linear-gradient(135deg, #3b46c9 0%, #1f2664 100%);
  --grad-soft: linear-gradient(135deg, #d7ddfa 0%, #c6d0f3 50%, #dde2fb 100%);
  --grad-cta: linear-gradient(135deg, #3f4fd0 0%, #232a6e 50%, #5566d8 100%);
  --shadow-sm: 0 2px 8px rgba(40, 46, 110, 0.07);
  --shadow: 0 8px 28px rgba(40, 46, 110, 0.12);
  --shadow-lg: 0 24px 60px rgba(31, 38, 100, 0.20);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ====== NAV ====== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 22px;
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--grad);
  border-radius: 10px;
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.35);
}
.nav-links { display: flex; gap: 32px; font-size: 14px; font-weight: 500; }
.nav-links a { color: var(--ink-2); transition: color .15s; }
.nav-links a:hover { color: var(--pink-2); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700; font-size: 14px;
  transition: transform .15s, box-shadow .15s, filter .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost {
  background: #fff; color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--purple); }
.btn-grad {
  color: #fff;
  background: var(--grad-cta);
  background-size: 200% 200%;
  box-shadow: 0 10px 24px rgba(236, 72, 153, 0.28);
}
.btn-grad:hover { background-position: 100% 0; box-shadow: 0 14px 30px rgba(236, 72, 153, 0.4); }
.btn-lg { padding: 18px 36px; font-size: 16px; }