* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #e5e5e5 url('./image/background.jpg') center center / cover fixed no-repeat;
  color: #111;
  font-family: Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  line-height: 1.65;
}
.page { width: min(100%, 390px); margin-inline: auto; background: #fff; min-height: 100vh; }
img { display: block; max-width: 100%; }
.site-header { min-height: 60px; display: flex; align-items: center; justify-content: center; background: #050505; }
.site-logo { width: 90px; height: auto; }
.mainvisual-image { width: 100%; height: auto; }
.section-bar, .company-bar { margin: 0; padding: 8px 12px; color: #fff; text-align: center; font-size: 17px; font-weight: 800; line-height: 1.25; }
.section-bar { background: #f00; }
.section-body { padding: 24px 34px 30px; }
.section-copy { margin: 0 0 20px; text-align: center; font-size: 19px; font-weight: 800; line-height: 1.35; }
.image-list { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 16px; }
.image-list li { margin: 0; }
.image-list img { width: 100%; height: auto; }
.image-list--poster img { width: 78%; margin-inline: auto; }
.section-body p, .company-intro p { margin: 0 0 20px; font-size: 14px; }
.section-body h4 { margin: 23px 0 8px; font-size: 16px; font-weight: 800; }
.point-list { list-style: none; padding: 0; margin: 0 0 25px; border-top: 1px solid #777; font-size: 13px; font-weight: 700; }
.point-list li { padding: 7px 0 7px 11px; border-bottom: 1px solid #777; position: relative; }
.point-list li::before { content: '›'; position: absolute; left: 0; }
.cta { display: block; width: 100%; padding: 12px 10px; border-radius: 999px; color: #fff; background: #0099df; text-decoration: none; text-align: center; font-size: 14px; font-weight: 800; line-height: 1.3; transition: background-color .2s ease; }
.cta:hover, .cta:focus-visible { background: #73d4f2; }
.cta:focus-visible { outline: 2px solid #111; outline-offset: 3px; }
.company-intro { padding: 35px 34px 32px; }
.company-title { margin: 0 0 20px; font-size: 43px; font-weight: 900; line-height: 1.12; letter-spacing: -.06em; }
.company-title span { display: block; font-size: 24px; letter-spacing: -.04em; }
.company-bar { background: #070707; }
.company-details { margin: 0; padding: 19px 26px 30px; font-size: 12px; }
.company-details div { display: grid; grid-template-columns: 72px 1fr; gap: 8px; padding: 3px 0; }
.company-details dt, .company-details dd { margin: 0; }