.start{min-height:100dvh;max-width:44rem;margin:0 auto;padding:clamp(1.5rem,5vw,3.5rem) clamp(1rem,4vw,2rem) 4rem;background:var(--color-night)}.start-head h1{font-family:var(--font-display);font-size:clamp(1.9rem,4.5vw,2.8rem);font-weight:600;line-height:1.15;margin:0 0 .4em}.start-lead{font-size:1.05rem;line-height:1.7;color:var(--color-muted);margin:0 0 2.2em}.start-block{margin-bottom:2.2em;padding:1.4em 1.5em;border:1px solid color-mix(in oklab,var(--color-white) 10%,transparent);border-radius:18px;background:color-mix(in oklab,var(--color-white) 3%,transparent)}.start-block h2{display:flex;align-items:center;gap:.55em;font-family:var(--font-display);font-size:1.25rem;font-weight:600;margin:0 0 .7em}.start-num{display:inline-grid;place-items:center;width:1.7em;height:1.7em;border-radius:50%;font-size:.85em;font-family:var(--font-ui,system-ui);background:linear-gradient(160deg,var(--color-gold),var(--color-gold-deep));color:var(--color-night)}.start-block ol,.start-block ul{margin:0;padding-left:1.3em;display:grid;grid-gap:.55em;gap:.55em;font-size:1.02rem;line-height:1.65}.start-block strong{color:var(--color-gold-deep)}.start-tip{margin:.9em 0 0;padding:.7em .9em;border-radius:12px;background:color-mix(in oklab,var(--color-gold) 9%,transparent);font-size:.95rem;line-height:1.6;color:var(--color-muted)}.start-back{display:inline-block;margin-top:.5em;color:var(--color-gold-deep);text-decoration:none;font-weight:600}