*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:#0f172a;background:#f6f8fb;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;line-height:1.75}a{color:inherit}code,pre{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}img,svg{max-width:100%}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:root{--ink:#0f172a;--ink-soft:#475569;--line:#dbe3ee;--surface:#fff;--snowpark:#0284c7;--snowpark-bg:#e0f2fe;--polars:#c026d3;--polars-bg:#fae8ff;--code-bg:#0f172a;--code-ink:#e2e8f0;--warn:#b45309;--warn-bg:#fef3c7}.shell{max-width:880px;margin:0 auto;padding:0 20px 64px}.masthead{z-index:10;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);background:#f6f8fbeb;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:0 -20px 32px;padding:16px 20px;display:flex;position:sticky;top:0}.masthead-link{letter-spacing:-.01em;white-space:nowrap;font-size:1.05rem;font-weight:700;text-decoration:none}.site-search{flex:240px;min-width:0;max-width:420px;position:relative}.site-search input{border:1px solid var(--line);background:var(--surface);border-radius:999px;width:100%;padding:8px 12px;font-size:.9rem}.site-search input:focus{outline:2px solid var(--snowpark);outline-offset:1px}.site-search__results{z-index:20;background:var(--surface);border:1px solid var(--line);border-radius:12px;max-height:60vh;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow-y:auto;box-shadow:0 8px 24px #0f172a1f}.site-search__results a{border-radius:8px;padding:8px 10px;text-decoration:none;display:block}.site-search__results a:hover{background:var(--snowpark-bg)}.site-search__title{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.9rem;font-weight:600;display:block}.site-search__summary{color:var(--ink-soft);margin-top:2px;font-size:.8rem;display:block}.site-search__empty{color:var(--ink-soft);padding:8px 10px;font-size:.85rem}.home__hero{padding:12px 0 32px}.home__hero h1{letter-spacing:-.01em;margin:0 0 12px;font-size:clamp(1.6rem,4vw,2.2rem)}.home__lead{color:var(--ink-soft);max-width:60ch;margin:0 0 24px}.home__search input{border:1px solid var(--line);background:var(--surface);border-radius:12px;width:100%;padding:14px 16px;font-size:1rem;box-shadow:0 1px 2px #0f172a0a}.home__search input:focus{outline:2px solid var(--snowpark);outline-offset:1px}.home__empty{color:var(--ink-soft)}.category-block{border-top:1px solid var(--line);padding:28px 0}.category-block h2{margin:0 0 4px;font-size:1.15rem}.category-block__desc{color:var(--ink-soft);margin:0 0 16px;font-size:.95rem}.entry-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.entry-list__item{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 16px;text-decoration:none;transition:border-color .15s;display:block}.entry-list__item:hover{border-color:var(--snowpark)}.entry-list__title{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-weight:600;display:block}.entry-list__title--prose{font-family:inherit}.entry-list__summary{color:var(--ink-soft);margin-top:2px;font-size:.9rem;display:block}.entry-page__crumb{color:var(--ink-soft);margin:0 0 8px;font-size:.9rem}.entry-page__crumb a{text-decoration:none}.entry-page h1{margin:0 0 8px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:clamp(1.5rem,4vw,2rem)}.entry-page__summary{color:var(--ink-soft);max-width:60ch;margin:0 0 28px}.code-compare{grid-template-columns:minmax(0,1fr);gap:16px;margin-bottom:28px;display:grid}@media (width>=720px){.code-compare{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}.code-compare__col{min-width:0}.code-compare__label{text-transform:uppercase;letter-spacing:.04em;border-radius:999px;margin:0 0 8px;padding:3px 10px;font-size:.8rem;font-weight:700;display:inline-block}.code-compare__label--snowpark{color:var(--snowpark);background:var(--snowpark-bg)}.code-compare__label--polars{color:var(--polars);background:var(--polars-bg)}.code-compare__note{text-transform:none;letter-spacing:normal;opacity:.75;margin-left:6px;font-weight:500}.code-compare pre{background:var(--code-bg);color:var(--code-ink);border-radius:12px;margin:0;padding:16px;font-size:.88rem;line-height:1.6;overflow-x:auto}.entry-section{border-top:1px solid var(--line);padding:20px 0}.entry-section h2{margin:0 0 8px;font-size:1.05rem}.entry-section--pitfall{background:var(--warn-bg);border-top:none;border-radius:12px;margin-bottom:4px;padding:16px 18px}.entry-section--pitfall h2{color:var(--warn)}.entry-page__refs{margin:0 0 12px;padding-left:20px}.entry-page__verified{color:var(--ink-soft);margin:0;font-size:.85rem}.concept-page h1{margin:0 0 8px;font-size:clamp(1.5rem,4vw,2rem)}.concept-page h2{margin:28px 0 10px;font-size:1.1rem}.concept-page table{border-collapse:collapse;width:100%;margin:8px 0 20px;font-size:.9rem}.concept-page th,.concept-page td{border:1px solid var(--line);text-align:left;padding:8px 10px}.concept-page th{background:#f1f5f9}.home__concepts{padding:8px 0 28px}.home__concepts h2{margin:0 0 4px;font-size:1.15rem}.static-page h1{margin:0 0 20px;font-size:clamp(1.4rem,4vw,1.9rem)}.static-page h2{margin:28px 0 10px;font-size:1.1rem}.static-page ul{padding-left:20px}.static-page__back{margin-top:32px}.not-found{padding:40px 0}.footer-nav{border-top:1px solid var(--line);color:var(--ink-soft);flex-wrap:wrap;gap:16px;margin-top:48px;padding-top:20px;font-size:.85rem;display:flex}.footer-nav a{text-decoration:none}.footer-nav a:hover{text-decoration:underline}