:root {
  color-scheme: light;
  --ink: #182033;
  --muted: #687086;
  --line: #e6e8ef;
  --paper: #ffffff;
  --soft: #f6f7fb;
  --accent: #6750a4;
  --accent-2: #4f378b;
  --accent-soft: #eee9ff;
  --shadow: 0 20px 60px rgba(27, 34, 52, .10);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(230, 232, 239, .9);
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand img { width: 36px; height: 36px; }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: .95rem; }
.nav-links a:hover, .footer-links a:hover { color: var(--accent); }

.hero { padding: 88px 0 70px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-2);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .04em;
}
.hero h1 { margin: 22px 0 18px; font-size: clamp(3rem, 7vw, 5.8rem); line-height: .98; letter-spacing: -.065em; }
.hero h1 span { color: var(--accent); }
.hero-copy { margin: 0; max-width: 690px; color: var(--muted); font-size: clamp(1rem, 1.8vw, 1.18rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 750;
}
.button.primary { color: #fff; border-color: var(--accent); background: var(--accent); box-shadow: 0 12px 30px rgba(103,80,164,.22); }
.button:hover { transform: translateY(-1px); }

.phone-stage {
  position: relative;
  min-height: 480px;
  display: grid;
  place-items: center;
}
.glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(103,80,164,.22), rgba(103,80,164,0) 68%);
}
.phone {
  position: relative;
  width: min(310px, 80vw);
  aspect-ratio: 10 / 20.5;
  border: 9px solid #202332;
  border-radius: 42px;
  background: #eef1ef;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotate(3deg);
}
.phone-top { height: 38%; background: linear-gradient(150deg, #dfe7df 0%, #f5ead7 52%, #dfe2ec 100%); position: relative; }
.road { position:absolute; background:#fff; border:1px solid #dadde5; border-radius:999px; }
.road.r1 { width: 130%; height: 18px; left:-16%; top:45%; transform:rotate(-23deg); }
.road.r2 { width: 110%; height: 13px; left:16%; top:62%; transform:rotate(36deg); }
.route { position:absolute; width:95%; height:8px; left:5%; top:54%; background:var(--accent); border-radius:999px; transform:rotate(-8deg); box-shadow:0 0 0 3px #fff; }
.pin { position:absolute; width:18px; height:18px; left:66%; top:48%; background:#db463d; border:3px solid #fff; border-radius:50% 50% 50% 0; transform:rotate(-45deg); box-shadow:0 4px 10px rgba(0,0,0,.2); }
.phone-panel { padding: 22px 20px; background: #fff; }
.mock-small { color: var(--muted); font-size: .76rem; font-weight: 700; }
.mock-title { margin: 5px 0 12px; font-weight: 850; font-size: 1.25rem; }
.mock-card { border: 1px solid var(--line); border-radius: 18px; padding: 14px; margin-top: 12px; }
.mock-row { display:flex; justify-content:space-between; gap:10px; font-size:.85rem; }
.mock-row + .mock-row { margin-top:8px; }

.section { padding: 84px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 760px; margin-bottom: 38px; }
.section h2, .page-hero h1 { margin: 0 0 14px; font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -.045em; line-height: 1.12; }
.section-head p, .page-hero p { color: var(--muted); margin: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.card .icon { width: 44px; height: 44px; display:grid; place-items:center; border-radius:14px; background:var(--accent-soft); color:var(--accent); font-size:1.25rem; }
.card h3 { margin: 18px 0 8px; font-size: 1.13rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

.statement { display:grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items:start; }
.statement strong { display:block; font-size:clamp(1.7rem, 3vw, 2.5rem); line-height:1.25; letter-spacing:-.035em; }
.statement p { margin:0; color:var(--muted); }

.page-hero { padding: 74px 0 46px; border-bottom: 1px solid var(--line); }
.content { width:min(820px, calc(100% - 40px)); margin:0 auto; padding: 56px 0 90px; }
.content h2 { margin: 42px 0 12px; font-size:1.35rem; }
.content h2:first-child { margin-top:0; }
.content p, .content li { color: var(--muted); }
.content ul { padding-left: 1.25rem; }
.notice { padding: 18px 20px; background: var(--accent-soft); border-radius: 16px; color: var(--accent-2); }
.meta { color: var(--muted); font-size:.9rem; }

.site-footer { border-top: 1px solid var(--line); padding: 30px 0 44px; }
.footer-row { display:flex; justify-content:space-between; gap:24px; align-items:center; }
.footer-links { display:flex; flex-wrap:wrap; gap:18px; color:var(--muted); font-size:.9rem; }
.copyright { color: var(--muted); font-size:.85rem; }

@media (max-width: 820px) {
  .nav-links { display:none; }
  .hero { padding-top: 58px; }
  .hero-grid, .statement { grid-template-columns: 1fr; gap: 36px; }
  .phone-stage { min-height: 410px; }
  .phone { width: 250px; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .footer-row { align-items:flex-start; flex-direction:column; }
}