:root {
  --ink: #071b1a;
  --panel: #0d2b29;
  --line: #315d57;
  --paper: #f1f7f4;
  --muted: #b5c7c1;
  --mint: #55dbac;
  --gold: #f2c454;
}

* { box-sizing: border-box; }
html { background: var(--ink); }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: Inter, "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px max(28px, env(safe-area-inset-right)) 12px max(28px, env(safe-area-inset-left)); border-bottom: 1px solid rgba(181, 199, 193, .22); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--paper); font-size: 16px; font-weight: 800; }
.brand-mark { display: grid; width: 39px; height: 39px; overflow: hidden; place-items: center; border: 1px solid rgba(85, 219, 172, .45); border-radius: 10px; color: var(--mint); font-size: 21px; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.header-action, .button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 10px; padding: 0 17px; border-radius: 6px; font-size: 14px; font-weight: 800; }
.header-action { background: var(--mint); color: var(--ink); }
.hero { padding: 84px 0 78px; }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: center; }
.eyebrow, .section-label { margin: 0; color: var(--mint); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
h1 { margin: 17px 0 20px; font-size: clamp(46px, 6vw, 76px); line-height: .97; }
.lead { max-width: 530px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; margin-top: 30px; }
.button-primary { background: var(--mint); color: var(--ink); }
.button-store { border: 1px solid var(--mint); color: var(--mint); }
.button-secondary { margin-top: 24px; border: 1px solid var(--mint); color: var(--mint); }
.text-link { border-bottom: 1px solid rgba(85, 219, 172, .6); color: var(--mint); font-size: 14px; font-weight: 750; line-height: 1.9; }
.platform-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.hero-media { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: 18px 18px 0 rgba(85, 219, 172, .09); }
.hero-media img { width: 100%; height: auto; }
.section { padding: 78px 0; border-top: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 30px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.feature-grid article { min-width: 0; padding: 31px; background: var(--panel); border-right: 1px solid var(--line); }
.feature-grid article:last-child { border-right: 0; }
.feature-number { color: var(--gold); font-size: 13px; font-weight: 800; }
h2 { margin: 15px 0; font-size: 28px; line-height: 1.3; }
.feature-grid p, .access-copy p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.access-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; background: #0b2422; padding-inline: 42px; }
.access-copy { display: grid; align-content: center; gap: 18px; }
.access-actions { display: grid; justify-items: start; gap: 14px; }
.access-actions .button-secondary { margin-top: 6px; }
.store-link { color: var(--mint); font-size: 14px; font-weight: 750; line-height: 1.7; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.related-grid a { display: grid; gap: 8px; min-height: 135px; padding: 24px; border: 1px solid var(--line); border-radius: 7px; background: #092220; transition: border-color .16s ease, transform .16s ease; }
.related-grid a:hover, .related-grid a:focus-visible { border-color: var(--mint); transform: translateY(-2px); }
.related-grid strong { color: var(--paper); font-size: 16px; }
.related-grid span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 32px max(28px, calc((100% - 1120px) / 2)); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 18px; }
.site-footer a { color: var(--mint); }
@media (max-width: 760px) { .shell { width: min(100% - 32px, 560px); } .site-header { min-height: 66px; padding-inline: 16px; } .brand { font-size: 14px; } .brand-mark { width: 34px; height: 34px; font-size: 18px; } .header-action { min-height: 39px; padding-inline: 12px; font-size: 12px; } .hero { padding: 52px 0 56px; } .hero-grid, .access-panel { grid-template-columns: 1fr; gap: 32px; } .hero-media { order: -1; box-shadow: 10px 10px 0 rgba(85, 219, 172, .09); } .lead { font-size: 16px; } .section { padding: 54px 0; } .feature-grid, .related-grid { grid-template-columns: 1fr; } .feature-grid article { padding: 25px; border-right: 0; border-bottom: 1px solid var(--line); } .feature-grid article:last-child { border-bottom: 0; } .access-panel { padding-inline: 24px; } h2 { font-size: 25px; } .site-footer { align-items: flex-start; flex-direction: column; padding: 26px 16px; } .footer-links { justify-content: flex-start; } }