:root {
  color-scheme: only light;
  --forest: #092f28;
  --paper: #fff1d3;
  --green: #26784f;
  --ink: #173b2e;
  --gold: #dcb772;
  --muted: #60705b;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--forest);
  color: var(--ink);
}

* { box-sizing: border-box; }
body { margin: 0; padding: 36px 20px; }
a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--forest); outline-offset: 4px; }

.start-page {
  width: min(100%, 560px);
  margin: 0 auto;
  padding: 34px 38px 22px;
  background: var(--paper);
  border: 1px solid var(--gold);
  border-radius: 26px;
}

.welcome { display: flex; align-items: center; gap: 18px; }
.mascot { display: block; flex: none; width: 88px; height: 88px; border-radius: 22px; }
h1 { margin: 0; font: 400 37px/1.08 Georgia, "Times New Roman", serif; letter-spacing: -.025em; }
.intro { margin: 23px 0 13px; font-size: 17px; line-height: 1.5; }
.account-note { margin: 0 0 15px; font-size: 15px; line-height: 1.55; color: var(--muted); }
.account-note strong { font-weight: 650; color: var(--ink); }
.install-note { margin: 0 0 22px; padding: 13px 15px; border-left: 3px solid var(--green); background: #f1e5c8; font-size: 15px; line-height: 1.5; }

.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step { position: relative; counter-increment: step; padding: 23px 0 25px 43px; border-top: 1px solid #d5c7a9; }
.step::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 22px;
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border: 1px solid #9baa88;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
}
h2 { margin: 0; font-size: 21px; line-height: 1.35; font-weight: 650; }
.step p { margin: 9px 0 16px; font-size: 15px; line-height: 1.5; color: var(--muted); }
.step-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 16px;
  border: 1px solid #185d3b;
  border-radius: 13px;
  background: var(--green);
  color: #fff8e8;
  text-decoration: none;
  text-align: center;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 650;
}
.step-button:hover { background: #1c633f; }
.step-button:active { background: #174e34; }
.step .screenshot-note { display: flex; flex-direction: column; gap: 5px; margin: 10px 0 0; padding: 12px 14px; border: 1px solid #c5a264; border-radius: 11px; background: #f5e3b9; color: var(--ink); }
.screenshot-note strong { font-size: 16px; font-weight: 700; }
.screenshot-note span { font-size: 14px; line-height: 1.45; }
.chat-section { padding: 22px 0; border-top: 1px solid #d5c7a9; }
.chat-section h2 { font-size: 20px; }
.chat-section p { margin: 9px 0 12px; color: var(--muted); font-size: 15px; line-height: 1.5; }
.chat-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--green); font-size: 16px; font-weight: 650; text-underline-offset: 4px; }
.page-footer { padding-top: 1px; text-align: center; }
.page-footer a { display: inline-block; padding: 10px 5px; color: var(--muted); font-size: 13px; text-underline-offset: 3px; }

@media (max-width: 480px) {
  body { padding: 16px 12px; }
  .start-page { padding: 25px 21px 14px; border-radius: 22px; }
  .welcome { gap: 13px; }
  .mascot { width: 64px; height: 64px; border-radius: 17px; }
  h1 { font-size: clamp(27px, 7.6vw, 34px); }
  .intro { margin-top: 20px; font-size: 16px; }
  .account-note, .install-note { font-size: 14px; }
  .install-note { padding: 12px 13px; margin-bottom: 19px; }
  .step { padding: 20px 0 22px 37px; }
  .step::before { top: 20px; width: 26px; height: 26px; font-size: 15px; }
  h2 { font-size: 19px; }
  .step p { font-size: 14px; margin-bottom: 14px; }
  .step-button { min-height: 49px; font-size: 16px; padding-inline: 10px; }
  .step .screenshot-note { padding: 11px 12px; }
  .chat-section { padding: 20px 0; }
}

@media (max-width: 340px) {
  .start-page { padding-inline: 17px; }
  .mascot { width: 52px; height: 52px; border-radius: 14px; }
  h1 { font-size: 26px; }
}