:root {
  --navy: #0B1A2E;
  --yellow: #FFD43B;
  --cyan: #38C6F4;
  --gray: #3A3A3A;
  --mist: #EEF2F7;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--mist);
  color: var(--navy);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  -webkit-text-size-adjust: 100%;
}
h2 { word-break: auto-phrase; text-wrap: balance; line-break: strict; }
.lp { max-width: 560px; margin: 0 auto; background: #fff; box-shadow: 0 0 40px rgba(11, 26, 46, .14); }
.part { position: relative; margin: 0; line-height: 0; }
.part img { display: block; width: 100%; height: auto; }
.hit { position: absolute; display: block; border-radius: 999px; }
.hit:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }

.contact { background: var(--navy); color: #fff; padding: 48px 24px 56px; text-align: center; }
.contact__label { margin: 0 0 12px; color: var(--cyan); font-size: 14px; letter-spacing: .12em; }
.contact__title { margin: 0 0 16px; font-weight: 400; font-size: 24px; line-height: 1.5; word-break: keep-all; }
.contact__lead { margin: 0 0 28px; color: #C9D3E0; font-size: 16px; line-height: 1.8; word-break: keep-all; }
.contact__btn {
  display: block; min-height: 56px; padding: 16px 12px; border-radius: 999px;
  background: var(--yellow); color: var(--navy); font-weight: 700; font-size: 18px; text-decoration: none;
}
.contact__btn:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.contact__mail { margin: 16px 0 4px; font-size: 18px; letter-spacing: .04em; user-select: all; }
.contact__company { margin: 0; color: #C9D3E0; font-size: 14px; }

.notes { padding: 40px 24px 48px; color: var(--gray); }
.notes__title { margin: 0 0 16px; color: var(--navy); font-weight: 400; font-size: 20px; }
.notes ul { margin: 0; padding-left: 1.2em; }
.notes li { margin-bottom: 10px; font-size: 16px; line-height: 1.8; }

.foot { max-width: 560px; margin: 0 auto; padding: 20px 16px 96px; text-align: center; font-size: 12px; color: var(--gray); }
.foot p { margin: 0; }

.sticky {
  position: fixed; left: 50%; bottom: 12px; z-index: 10;
  width: min(92vw, 520px); transform: translate(-50%, 140%);
  padding: 16px 12px; border-radius: 999px;
  background: var(--yellow); color: var(--navy);
  font-weight: 700; font-size: 17px; text-align: center; text-decoration: none;
  box-shadow: 0 6px 20px rgba(11, 26, 46, .3);
  transition: transform .35s ease;
}
.sticky.show { transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .sticky { transition: none; } }
@media (min-width: 900px) { body { padding: 32px 0; } }