.iphone-guide {
  --ig-paper: #fffdf8;
  --ig-cream: #f4ead2;
  --ig-text: #244238;
  --ig-muted: #52685d;
  --ig-line: #dce5dc;
  background: linear-gradient(160deg, #faf9f2 0%, #edf4ee 100%);
  color: var(--ig-text);
  font-size: 16px;
  line-height: 1.6;
  overflow-wrap: break-word;
}
.iphone-guide a { text-underline-offset: 4px; }
.iphone-guide a:focus-visible { outline: 3px solid #bd8a34; outline-offset: 5px; }
.ig-wrap {
  max-width: 980px;
  margin: auto;
  padding: max(22px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-left)) max(30px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-right));
}
.ig-skip { position: fixed; top: -100px; left: 16px; z-index: 10; background: white; padding: 10px 16px; border-radius: 10px; }
.ig-skip:focus { top: 12px; }
.ig-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 0 0 24px; }
.ig-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ig-text); font-size: 16px; font-weight: 750; text-decoration: none; }
.ig-brand img { border-radius: 12px; flex-shrink: 0; }
.ig-header nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 7px 0 7px 8px; font-size: 14px; font-weight: 650; }
.ig-hero { padding: 46px; border-radius: 26px; color: #fffdf8; background: radial-gradient(ellipse at 100% 0%, #3e806255 0, transparent 60%), linear-gradient(125deg, #193f35, #286e55); box-shadow: 0 14px 38px #234b3912; }
.ig-kicker { font-size: 11px; font-weight: 750; letter-spacing: 1.5px; color: #476d57; }
.ig-hero .ig-kicker { color: #c6dacb; margin-bottom: 16px; }
.ig-hero h1 { max-width: 660px; font-size: clamp(34px, 6vw, 50px); line-height: 1.12; letter-spacing: -1.6px; }
.ig-hero > p:first-of-type { max-width: 550px; margin: 20px 0 26px; color: #d6e7dc; }
.iphone-guide .ig-primary { display: inline-flex; min-height: 52px; padding: 13px 19px; background: var(--ig-cream); color: #214c38; border: 1px solid #f7edd5; border-radius: 13px; font-size: 15px; white-space: normal; text-align: center; text-decoration: none; box-shadow: 0 4px 18px #102e2418; }
.ig-primary span { margin-left: 4px; }
.ig-demo { display: block; width: fit-content; margin-top: 20px; color: #fff7e3; font-size: 14px; font-weight: 650; }
.ig-hero .ig-demo-note { margin-top: 7px; max-width: 500px; color: #d3e3d8; font-size: 12px; }
.ig-access { display: flex; align-items: flex-start; gap: 14px; border: 1px solid var(--ig-line); background: #e8f0e8; border-radius: 18px; padding: 20px; margin-top: 18px; }
.ig-access > svg { flex-shrink: 0; width: 22px; height: 22px; margin-top: 3px; fill: none; stroke: #376c50; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ig-access h2 { font-size: 16px; letter-spacing: 0; }
.ig-access p { margin-top: 5px; color: #42614d; font-size: 13px; line-height: 1.6; }
.ig-section { margin-top: 45px; scroll-margin-top: 20px; }
.ig-section-head { margin-bottom: 20px; }
.ig-section-head h2 { font-size: 27px; line-height: 1.2; margin-top: 8px; letter-spacing: -.6px; }
.ig-section-head p { margin-top: 10px; color: var(--ig-muted); font-size: 14px; }
.ig-steps { padding: 0; margin: 0; list-style: none; display: grid; gap: 12px; }
.ig-steps li { display: flex; gap: 16px; align-items: flex-start; padding: 23px; border: 1px solid var(--ig-line); border-radius: 18px; background: var(--ig-paper); }
.ig-step-number { display: grid; place-items: center; flex-shrink: 0; width: 36px; height: 36px; border: 1px solid #d9e7d9; background: #e8f1e7; color: #2c6548; font-size: 15px; font-weight: 750; border-radius: 11px; font-variant-numeric: tabular-nums; }
.ig-steps h3 { font-size: 17px; line-height: 1.35; margin: 4px 0 8px; }
.ig-steps p { font-size: 14px; color: var(--ig-muted); }
.ig-help { margin: 15px 5px 0; font-size: 12px; color: var(--ig-muted); }
.ig-features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ig-features article { padding: 22px; border-radius: 18px; border: 1px solid var(--ig-line); background: #fffdfa; }
.ig-feature-mark { font-size: 11px; color: #48715b; font-weight: 750; letter-spacing: 1px; }
.ig-features h3 { font-size: 17px; line-height: 1.3; margin-top: 12px; }
.ig-features p { font-size: 13px; color: var(--ig-muted); margin-top: 8px; }
.ig-data { padding: 28px; background: var(--ig-paper); border: 1px solid var(--ig-line); border-radius: 22px; }
.ig-info-row { border-top: 1px solid var(--ig-line); padding: 20px 0; }
.ig-info-row h3 { font-size: 16px; margin-bottom: 8px; }
.ig-info-row p { font-size: 14px; color: var(--ig-muted); }
.ig-data-note { padding-top: 17px; border-top: 1px solid var(--ig-line); font-size: 12px; color: var(--ig-muted); }
.ig-finish { padding: 32px; margin-top: 30px; border-radius: 22px; background: #e3eee3; border: 1px solid #d4e2d4; }
.ig-finish h2 { font-size: 25px; line-height: 1.25; }
.ig-finish p { margin: 12px 0 22px; max-width: 620px; font-size: 14px; color: #47634f; }
.iphone-guide .ig-finish .ig-primary { background: #246654; color: white; border-color: #246654; }
.ig-footer { display: grid; gap: 13px; padding: 30px 3px 0; font-size: 12px; color: var(--ig-muted); }
.ig-footer a { width: fit-content; }
.ig-footer span { padding-top: 7px; }
@media (max-width: 600px) {
  .ig-wrap { padding-left: max(18px, env(safe-area-inset-left)); padding-right: max(18px, env(safe-area-inset-right)); }
  .ig-header { padding-bottom: 19px; }
  .ig-brand { font-size: 14px; gap: 8px; }
  .ig-brand img { width: 35px; height: 35px; border-radius: 10px; }
  .ig-header nav a { font-size: 13px; }
  .ig-hero { padding: 29px 24px; border-radius: 23px; }
  .ig-hero h1 { font-size: 35px; letter-spacing: -1.2px; }
  .ig-hero > p:first-of-type { margin: 19px 0 24px; font-size: 15px; }
  .ig-hero .ig-primary { width: 100%; padding-left: 11px; padding-right: 11px; font-size: 14px; }
  .ig-hero .ig-kicker { font-size: 10px; letter-spacing: 1.25px; }
  .ig-access { padding: 17px; gap: 11px; }
  .ig-section { margin-top: 36px; }
  .ig-section-head h2 { font-size: 25px; }
  .ig-steps li { padding: 19px 17px; gap: 13px; }
  .ig-steps h3 { font-size: 16px; }
  .ig-features { grid-template-columns: 1fr; }
  .ig-features article { padding: 20px; }
  .ig-features h3 { margin-top: 8px; }
  .ig-data { padding: 23px 20px; }
  .ig-finish { padding: 26px 22px; }
  .ig-finish h2 { font-size: 23px; }
}
@media (max-width: 350px) {
  .ig-hero { padding: 26px 19px; }
  .ig-hero h1 { font-size: 31px; }
  .ig-brand { font-size: 13px; }
  .ig-steps li { gap: 10px; padding-left: 14px; padding-right: 14px; }
  .ig-step-number { width: 30px; height: 30px; border-radius: 9px; }
}
@media print {
  .iphone-guide { background: white; }
  .ig-wrap { max-width: 100%; padding: 0; }
  .ig-hero { box-shadow: none; color: #203930; background: white; border: 1px solid #dce5dc; }
  .ig-hero .ig-kicker, .ig-hero > p:first-of-type, .ig-demo, .ig-hero .ig-demo-note { color: #42614d; }
  .ig-steps li, .ig-features article, .ig-info-row { break-inside: avoid; }
}

.ig-platforms{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.ig-platforms a{display:inline-flex;align-items:center;justify-content:center;min-width:120px;min-height:46px;padding:10px 20px;border:1px solid #aacbb3;border-radius:11px;background:#fffdf819;color:#fffdf8;font-size:15px;font-weight:700;text-decoration:none}.ig-platforms a:hover{background:#fffdf830}