:root {
  --ink: #24243b;
  --muted: #747487;
  --primary: #6551c6;
  --lavender: #eeeafb;
  --bg: #f6f5fa;
  --line: #e7e5ee;
  --mint: #dff3eb;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--primary); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--primary); outline-offset: 5px; border-radius: 6px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.45; letter-spacing: -.02em; }
h2 { margin-bottom: 18px; font-size: clamp(1.75rem, 4vw, 2.7rem); }
h3 { font-size: 1.15rem; }
.wrap { width: min(1080px, calc(100% - 44px)); margin-inline: auto; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 5; padding: 10px 14px; background: var(--white); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 12px; color: #d3cbf5; background: var(--ink); font-weight: 800; }
.site-header nav { display: flex; gap: 22px; flex-wrap: wrap; font-size: .9rem; }
.site-header nav a { text-decoration: none; }
.eyebrow { margin-bottom: 18px; color: var(--primary); font-size: .73rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 70px; padding: 68px 0 78px; }
.hero h1 { margin-bottom: 22px; font-size: clamp(2.65rem, 6vw, 5rem); }
.lead { max-width: 510px; color: var(--muted); font-size: 1.05rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 14px 22px; border-radius: 14px; color: var(--white); background: var(--primary); font-weight: 750; text-decoration: none; }
.button:hover { color: var(--white); background: #5240ad; }
.button.secondary { color: var(--primary); background: var(--lavender); }
.small { color: var(--muted); font-size: .82rem; }
.hero .small { margin-top: 12px; }
.hero-art { display: flex; justify-content: center; padding: 32px 38px 38px; border-radius: 48% 48% 22px 22px; background: var(--lavender); }
.hero-art figure { max-width: 275px; margin: 0; transform: rotate(3deg); }
.hero-art img { border-radius: 22px; box-shadow: 0 24px 55px #24243b20; }
.hero-art figcaption { margin-top: 12px; color: var(--muted); font-size: .7rem; text-align: center; }
.trust-row { display: flex; justify-content: space-between; gap: 16px; padding: 20px 0; border-block: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.section { padding: 92px 0; }
.section-head { max-width: 650px; margin-bottom: 38px; }
.section-head > p:last-child { color: var(--muted); }
.grid-three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature, .card, .plan, details { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); }
.feature p, .card p { color: var(--muted); }
.number { color: var(--primary); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.soft-section { background: var(--lavender); }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 55px; }
.phone-row { display: flex; align-items: end; justify-content: center; gap: 18px; }
.phone-row img { width: min(42%, 225px); border-radius: 18px; box-shadow: 0 18px 45px #24243b1b; }
.phone-row img:nth-child(2) { transform: translateY(-25px); }
.check-list { padding-left: 1.2em; }
.check-list li::marker { color: var(--primary); }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.plan.premium { border-color: var(--primary); background: var(--ink); color: var(--white); }
.plan.premium p, .plan.premium li { color: #d8d5e8; }
.price { margin: 8px 0 20px; font-size: 1.7rem; font-weight: 800; }
.price span { color: var(--muted); font-size: .85rem; font-weight: 500; }
.premium .price span { color: #c9c5dd; }
.faq { max-width: 760px; }
details { margin: 12px 0; }
summary { cursor: pointer; font-weight: 750; }
details p { margin: 14px 0 0; color: var(--muted); }
.closing { margin-bottom: 90px; padding: 54px 30px; border-radius: 26px; background: var(--ink); color: var(--white); text-align: center; }
.closing p:not(.eyebrow) { color: #d7d4e6; }
.closing .eyebrow { color: #c5baff; }
.footer { padding: 28px 0 50px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 14px; }
.footer a { color: var(--muted); }
@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero, .split { grid-template-columns: 1fr; gap: 34px; padding-top: 42px; }
  .hero-art { order: -1; }
  .trust-row { align-items: flex-start; flex-direction: column; gap: 4px; }
  .grid-three, .plans { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }