.site-header{flex-wrap:wrap;gap:1rem}.site-header nav{display:flex;flex-wrap:wrap;gap:1.1rem}.site-header nav a{font-size:.875rem}.portal-hero{max-width:1260px;margin:auto;padding:4rem 2rem 3.5rem}.portal-hero h1{font-size:clamp(2.15rem,5vw,4.3rem);letter-spacing:-.04em;line-height:1.35;margin:.8rem 0 1rem;color:var(--navy)}.portal-intro{font-size:1.15rem;line-height:1.9;color:var(--muted)}.topic-links{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.5rem 0 2rem}.topic-links a{display:inline-block;text-decoration:none;border:1px solid #b9ceca;background:#f2f8f6;border-radius:999px;padding:.6rem 1.1rem;color:#215b50;font-size:.9rem;font-weight:700}.topic-links a:hover{background:#dceee8}.portal-shortcuts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}.portal-shortcuts a{padding:1.15rem 1.25rem;border-radius:10px;border:1px solid var(--line);text-decoration:none;font-weight:700;display:flex;justify-content:space-between;gap:.5rem;color:var(--navy)}.portal-shortcuts a:hover{border-color:var(--teal);background:#f4faf7}.planner-intro h2{font-size:clamp(1.8rem,3.7vw,3.2rem);line-height:1.45;letter-spacing:-.02em}.planner-intro h2 span{color:var(--teal)}.home-game{display:grid;grid-template-columns:1fr 220px;gap:3rem;align-items:center;background:#fff9eb;margin:0 auto}.home-game h2{font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.5}.puzzle-art{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;transform:rotate(-4deg);max-width:220px}.puzzle-art i{aspect-ratio:1;background:#294950;border-radius:7px}.puzzle-art i.lit{background:#edc261}.game-card .puzzle-art{width:160px;align-self:center;margin:.5rem 0 2rem}.game-card .button{margin-top:1rem;text-decoration:none}.service-guide{max-width:850px;line-height:1.9}.service-guide h2{font-size:1.4rem;margin-top:2.5rem}.service-guide ol{padding-left:1.3rem}.service-guide li{margin-bottom:1rem}.offer-details{font-size:.9rem;line-height:1.8}.offer-details dt{font-weight:700}.offer-details dd{margin:0 0 .7rem}.copy-code{margin-bottom:.8rem}.reading-card code{user-select:all;overflow-wrap:anywhere}.game-small{font-size:.85rem;color:var(--muted)}@media(max-width:640px){.portal-hero{padding:2.4rem 1.2rem}.portal-shortcuts{grid-template-columns:1fr;gap:.6rem}.home-game{grid-template-columns:1fr;gap:2rem}.home-game>.puzzle-art{width:140px;justify-self:center}.site-header nav{gap:.6rem 1rem}.topic-links a{padding:.5rem .8rem}.portal-intro{font-size:1rem}}