@charset "UTF-8";@font-face{font-family:manrope;src:url(/fonts/manrope.woff2)format("woff2");font-weight:300 700;font-display:swap}@font-face{font-family:noto sans jp;src:url(/fonts/noto-sans-jp.woff2)format("woff2");font-weight:200 700;font-display:swap}@font-face{font-family:dm mono;src:url(/fonts/dm-mono-400.woff2)format("woff2");font-weight:400;font-display:swap}@font-face{font-family:dm mono;src:url(/fonts/dm-mono-500.woff2)format("woff2");font-weight:500 700;font-display:swap}@font-face{font-family:dm mono;src:url(/fonts/dm-mono-400-italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:swap}:root{color-scheme:light dark;--bg:light-dark(#edefea, #191c1a);--bg-soft:light-dark(#f6f7f3, #1f2320);--surface:light-dark(#f6f7f3, #1f2320);--well:light-dark(#e6e9e2, #282d29);--text:light-dark(#222621, #e4e7e1);--text-soft:light-dark(#50574d, #a9b0a5);--muted:light-dark(#5e655b, #8e968a);--border:light-dark(#c9cfc4, #2e332f);--border-strong:light-dark(#adb5a8, #444b45);--box-border:light-dark(transparent, #2e332f);--code-bg:light-dark(#e4e7df, #141715);--ghost:light-dark(#dee2d9, #232724);--rest:light-dark(#c9cfc4, #363c37);--shadow-lg:light-dark(0 18px 40px -18px rgb(30 40 25 / 28%), 0 18px 40px -18px rgb(0 0 0 / 70%));--season:light-dark(#5b57a3, #a5a4f7);--season-mark:light-dark(#5b57a3, #a5a4f7);--season-soft:color-mix(in srgb, var(--season) 10%, var(--surface));--sekki-turn:17;--ai:light-dark(#3b5a8f, #9db6e3);--matsu:light-dark(#3e6b4f, #93c7a3);--fuji:light-dark(#6b5aa6, #b3a6ec);--kuchiba:light-dark(#8a5a12, #e0a768);--beni:light-dark(#b0283f, #f08c9a);--hl-comment:light-dark(#5e675b, #8e968a);--hl-name:light-dark(#8a3f6a, #e09ac6);--font-sans:"Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-ja:"Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;--font-mono:"DM Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;--header-h:72px;--gutter:2.5rem}:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}:root[data-sekki="0"]{--season:light-dark(#ab3f64, #fc88ab);--season-mark:light-dark(#c25478, #fc88ab);--sekki-turn:0;--sekki-kanji:"立春";--sekki-name:"Start of spring";--sekki-dates:"4 Feb – 18 Feb";--sekki-note:"Plum blossom until 18 February."}:root[data-sekki="0"] .strip [data-n="0"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="1"]{--season:light-dark(#6c6726, #b3af6e);--season-mark:light-dark(#7f7a3a, #b3af6e);--sekki-turn:1;--sekki-kanji:"雨水";--sekki-name:"Rain water";--sekki-dates:"19 Feb – 4 Mar";--sekki-note:"Bush warbler until 4 March."}:root[data-sekki="1"] .strip [data-n="1"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="2"]{--season:light-dark(#586e01, #9bb74e);--season-mark:light-dark(#7f9a2e, #9bb74e);--sekki-turn:2;--sekki-kanji:"啓蟄";--sekki-name:"Insects awaken";--sekki-dates:"5 Mar – 19 Mar";--sekki-note:"New shoots until 19 March."}:root[data-sekki="2"] .strip [data-n="2"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="3"]{--season:light-dark(#984e65, #e695ac);--season-mark:light-dark(#e08fa6, #e695ac);--sekki-turn:3;--sekki-kanji:"春分";--sekki-name:"Spring equinox";--sekki-dates:"20 Mar – 3 Apr";--sekki-note:"Cherry blossom until 3 April."}:root[data-sekki="3"] .strip [data-n="3"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="4"]{--season:light-dark(#087451, #63bd95);--season-mark:light-dark(#3f9a74, #63bd95);--sekki-turn:4;--sekki-kanji:"清明";--sekki-name:"Pure and clear";--sekki-dates:"4 Apr – 19 Apr";--sekki-note:"Young bamboo until 19 April."}:root[data-sekki="4"] .strip [data-n="4"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="5"]{--season:light-dark(#6c5aa1, #b3a1ef);--season-mark:light-dark(#8a78c2, #b3a1ef);--sekki-turn:5;--sekki-kanji:"穀雨";--sekki-name:"Grain rain";--sekki-dates:"20 Apr – 4 May";--sekki-note:"Wisteria until 4 May."}:root[data-sekki="5"] .strip [data-n="5"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="6"]{--season:light-dark(#447100, #89bb5b);--season-mark:light-dark(#6f9f3f, #89bb5b);--sekki-turn:6;--sekki-kanji:"立夏";--sekki-name:"Start of summer";--sekki-dates:"5 May – 20 May";--sekki-note:"Young leaves until 20 May."}:root[data-sekki="6"] .strip [data-n="6"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="7"]{--season:light-dark(#6a4c9c, #bb9df5);--season-mark:light-dark(#6a4c9c, #bb9df5);--sekki-turn:7;--sekki-kanji:"小満";--sekki-name:"Lesser ripening";--sekki-dates:"21 May – 4 Jun";--sekki-note:"Iris until 4 June."}:root[data-sekki="7"] .strip [data-n="7"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="8"]{--season:light-dark(#4664a3, #8aacf1);--season-mark:light-dark(#5f7fc0, #8aacf1);--sekki-turn:8;--sekki-kanji:"芒種";--sekki-name:"Grain in ear";--sekki-dates:"5 Jun – 20 Jun";--sekki-note:"Hydrangea until 20 June."}:root[data-sekki="8"] .strip [data-n="8"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="9"]{--season:light-dark(#047364, #61bcab);--season-mark:light-dark(#2f8f7f, #61bcab);--sekki-turn:9;--sekki-kanji:"夏至";--sekki-name:"Summer solstice";--sekki-dates:"21 Jun – 6 Jul";--sekki-note:"Green bamboo until 6 July."}:root[data-sekki="9"] .strip [data-n="9"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="10"]{--season:light-dark(#3f62b0, #84abff);--season-mark:light-dark(#3f62b0, #84abff);--sekki-turn:10;--sekki-kanji:"小暑";--sekki-name:"Lesser heat";--sekki-dates:"7 Jul – 21 Jul";--sekki-note:"Morning glory until 21 July."}:root[data-sekki="10"] .strip [data-n="10"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="11"]{--season:light-dark(#836003, #e0a81f);--season-mark:light-dark(#e0a81f, #e0a81f);--sekki-turn:11;--sekki-kanji:"大暑";--sekki-name:"Greater heat";--sekki-dates:"22 Jul – 6 Aug";--sekki-note:"Sunflower until 6 August."}:root[data-sekki="11"] .strip [data-n="11"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="12"]{--season:light-dark(#a04968, #ef90ae);--season-mark:light-dark(#d77a98, #ef90ae);--sekki-turn:12;--sekki-kanji:"立秋";--sekki-name:"Start of autumn";--sekki-dates:"7 Aug – 22 Aug";--sekki-note:"Pinks until 22 August."}:root[data-sekki="12"] .strip [data-n="12"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="13"]{--season:light-dark(#5a5aa8, #a1a5fa);--season-mark:light-dark(#5a5aa8, #a1a5fa);--sekki-turn:13;--sekki-kanji:"処暑";--sekki-name:"End of heat";--sekki-dates:"23 Aug – 6 Sep";--sekki-note:"Bellflower until 6 September."}:root[data-sekki="13"] .strip [data-n="13"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="14"]{--season:light-dark(#2168ab, #6cb1fa);--season-mark:light-dark(#3a7fc4, #6cb1fa);--sekki-turn:14;--sekki-kanji:"白露";--sekki-name:"White dew";--sekki-dates:"7 Sep – 21 Sep";--sekki-note:"Dayflower until 21 September."}:root[data-sekki="14"] .strip [data-n="14"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="15"]{--season:light-dark(#bb3334, #ff8b84);--season-mark:light-dark(#c23a3a, #ff8b84);--sekki-turn:15;--sekki-kanji:"秋分";--sekki-name:"Autumn equinox";--sekki-dates:"22 Sep – 7 Oct";--sekki-note:"Red spider lily until 7 October."}:root[data-sekki="15"] .strip [data-n="15"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="16"]{--season:light-dark(#90507c, #dd96c5);--season-mark:light-dark(#a4628f, #dd96c5);--sekki-turn:16;--sekki-kanji:"寒露";--sekki-name:"Cold dew";--sekki-dates:"8 Oct – 22 Oct";--sekki-note:"Bush clover until 22 October."}:root[data-sekki="16"] .strip [data-n="16"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="17"]{--season:light-dark(#5b57a3, #a5a4f7);--season-mark:light-dark(#5b57a3, #a5a4f7);--sekki-turn:17;--sekki-kanji:"霜降";--sekki-name:"Frost descends";--sekki-dates:"23 Oct – 6 Nov";--sekki-note:"Gentian until 6 November."}:root[data-sekki="17"] .strip [data-n="17"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="18"]{--season:light-dark(#b0402a, #fe8d75);--season-mark:light-dark(#b4442e, #fe8d75);--sekki-turn:18;--sekki-kanji:"立冬";--sekki-name:"Start of winter";--sekki-dates:"7 Nov – 21 Nov";--sekki-note:"Autumn maple until 21 November."}:root[data-sekki="18"] .strip [data-n="18"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="19"]{--season:light-dark(#816100, #d5a526);--season-mark:light-dark(#cf9f1c, #d5a526);--sekki-turn:19;--sekki-kanji:"小雪";--sekki-name:"Lesser snow";--sekki-dates:"22 Nov – 6 Dec";--sekki-note:"Ginkgo until 6 December."}:root[data-sekki="19"] .strip [data-n="19"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="20"]{--season:light-dark(#2f5a43, #89b79c);--season-mark:light-dark(#2f5a43, #89b79c);--sekki-turn:20;--sekki-kanji:"大雪";--sekki-name:"Greater snow";--sekki-dates:"7 Dec – 20 Dec";--sekki-note:"Pine until 20 December."}:root[data-sekki="20"] .strip [data-n="20"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="21"]{--season:light-dark(#7d6202, #e0b21a);--season-mark:light-dark(#e0b21a, #e0b21a);--sekki-turn:21;--sekki-kanji:"冬至";--sekki-name:"Winter solstice";--sekki-dates:"21 Dec – 4 Jan";--sekki-note:"Yuzu until 4 January."}:root[data-sekki="21"] .strip [data-n="21"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="22"]{--season:light-dark(#b0283f, #fe8a91);--season-mark:light-dark(#b0283f, #fe8a91);--sekki-turn:22;--sekki-kanji:"小寒";--sekki-name:"Lesser cold";--sekki-dates:"5 Jan – 19 Jan";--sekki-note:"Camellia until 19 January."}:root[data-sekki="22"] .strip [data-n="22"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}:root[data-sekki="23"]{--season:light-dark(#7b4f8f, #ca9be0);--season-mark:light-dark(#7b4f8f, #ca9be0);--sekki-turn:23;--sekki-kanji:"大寒";--sekki-name:"Greater cold";--sekki-dates:"20 Jan – 3 Feb";--sekki-note:"Ornamental kale until 3 February."}:root[data-sekki="23"] .strip [data-n="23"]{--h:4.5rem;--bar:var(--season-mark);--on:var(--text);--w:500;--label:visible}.sekki-kanji::before{content:var(--sekki-kanji,"霜降")}.sekki-name::before{content:var(--sekki-name,"Frost descends")}.sekki-dates::before{content:var(--sekki-dates,"")}.sekki-note::before{content:var(--sekki-note,"")}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 1rem)}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{display:block;max-width:100%}a{color:var(--season);text-decoration-thickness:1px;text-underline-offset:.22em}a:hover{color:var(--text)}:focus-visible{outline:2px solid var(--season);outline-offset:2px}::selection{background:color-mix(in srgb,var(--season-mark) 30%,transparent)}code,kbd,pre{font-family:var(--font-mono)}kbd{font-size:.75rem;line-height:1;padding:.2rem .45rem;border:1px solid var(--border-strong);border-radius:5px;color:var(--muted);background:var(--bg)}h1,h2,h3,h4{line-height:1.25;text-wrap:balance}p,li{text-wrap:pretty}[lang=ja]{font-family:var(--font-ja)}:not(pre)>code{font-size:.9em}.icon{width:1.25rem;height:1.25rem;flex:none}.skip-link{position:absolute;left:1rem;top:-3rem;z-index:100;padding:.5rem 1rem;border-radius:999px;background:var(--surface);color:var(--text)}.skip-link:focus{top:.75rem}.container{max-width:1240px;margin:0 auto;padding:0 var(--gutter)}.kicker,.nav-group h2,.docs-toc h2,.footer-links h2{margin:0;font:.78rem/1.4 var(--font-mono);letter-spacing:.04em;color:var(--muted)}.ja-label{margin:0 0 1rem;font:.95rem/1.4 var(--font-ja);letter-spacing:.3em;color:var(--muted)}.button{display:inline-flex;align-items:center;gap:.65rem;padding:.85rem 1.55rem;border:1px solid var(--border-strong);border-radius:999px;background:0 0;color:var(--text);font-weight:500;font-size:1rem;line-height:1.2;text-decoration:none;transition:border-color .15s,background-color .15s,color .15s}.button:hover{color:var(--text);border-color:var(--text)}.button-primary{background:var(--text);border-color:var(--text);color:var(--bg)}.button-primary:hover{background:var(--text-soft);border-color:var(--text-soft);color:var(--bg)}.button .icon{width:1rem;height:1rem;transition:transform .15s}.button-primary:hover .icon{transform:translateX(3px)}.text-link{font-weight:500;color:var(--text);text-decoration:underline;text-decoration-color:initial;text-decoration-thickness:1px;text-underline-offset:.35em}.text-link:hover{color:var(--text);text-decoration-color:var(--season-mark)}.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem 1.75rem;margin:2.25rem 0 0}.card-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:auto;font-weight:600;font-size:.95rem;text-decoration:none}.card-link .icon{width:1rem;height:1rem;transition:transform .15s}.card-link:hover .icon{transform:translateX(3px)}.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.3)blur(12px);-webkit-backdrop-filter:saturate(1.3)blur(12px);border-bottom:1px solid var(--border)}.home .site-header{border-bottom-color:transparent}.header-inner{display:flex;align-items:center;gap:2rem;max-width:1400px;height:100%;margin:0 auto;padding:0 var(--gutter)}.home .header-inner{max-width:1240px}.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text);text-decoration:none;font:500 1.05rem/1 var(--font-sans);letter-spacing:.14em;text-transform:uppercase}.brand:hover{color:var(--text)}.logo{width:22px;height:22px;flex:none}.logo-wedge{fill:var(--season-mark);transform-origin:16px 16px;transform:rotate(calc(var(--sekki-turn) * 15deg + 7.5deg))}.header-nav{display:flex;gap:2rem}.header-nav a{color:var(--text-soft);text-decoration:none;font-size:.95rem}.header-nav a:hover,.header-nav a[aria-current]{color:var(--text)}.season-label{display:inline-flex;align-items:baseline;gap:.5rem;margin-right:.75rem;color:var(--text-soft);font-size:.85rem;text-decoration:none;white-space:nowrap}.season-label::before{content:"";align-self:center;width:7px;height:7px;border-radius:50%;background:var(--season-mark)}.season-label .sekki-kanji{font:500 .95rem/1 var(--font-ja);letter-spacing:.06em;color:var(--text)}.season-label:hover{color:var(--text)}.header-actions{display:flex;align-items:center;gap:.35rem;margin-left:auto}.icon-button{display:inline-grid;place-items:center;width:40px;height:40px;border:0;border-radius:50%;background:0 0;color:var(--text-soft);cursor:pointer}.icon-button:hover{color:var(--text);background:var(--well)}.search-button{display:inline-flex;align-items:center;gap:.55rem;height:40px;margin-right:.4rem;padding:0 .55rem 0 .95rem;min-width:200px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);font:inherit;font-size:.9rem;cursor:pointer}.search-button:hover{border-color:var(--border-strong);color:var(--text-soft)}.search-button .icon{width:1.05rem;height:1.05rem}.search-button kbd{margin-left:auto}.nav-toggle{display:none;margin-left:-.5rem}.theme-icon-dark{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-icon-light{display:none}:root:not([data-theme=light]) .theme-icon-dark{display:inline}}:root[data-theme=dark] .theme-icon-light{display:none}:root[data-theme=dark] .theme-icon-dark{display:inline}.hero h1,.section-head h2,.cta-band h2,.not-found h1{margin:0;font-weight:300}.hero h1 b,.section-head h2 b,.cta-band h2 b,.not-found h1 b{font-weight:500}.hero{position:relative;overflow:hidden}.hero .container{position:relative;padding-top:7rem;padding-bottom:4.5rem}.hero-ghost{position:absolute;top:1.5rem;right:-.04em;margin:0;pointer-events:none;user-select:none;font:200 clamp(10rem,26vw,22.5rem)/1 var(--font-ja);letter-spacing:-.02em;color:var(--ghost)}.hero-copy{position:relative;display:grid;justify-items:start}.hero-kicker{display:inline-flex;align-items:center;gap:.65rem;margin:0 0 2rem;font:.82rem/1.4 var(--font-mono);letter-spacing:.04em;color:var(--muted)}.hero-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--season-mark)}.hero h1{max-width:12em;font-size:clamp(2.5rem,6vw,4.75rem);line-height:1.04;letter-spacing:-.03em}.lede{margin:2rem 0 0;max-width:33em;font-size:1.19rem;line-height:1.65;color:var(--text-soft)}.hero-points{display:flex;flex-wrap:wrap;gap:.4rem 2rem;margin:2.75rem 0 0;padding:0;list-style:none;font:.8rem/1.5 var(--font-mono);letter-spacing:.02em;color:var(--muted)}.strip-band{padding:1.5rem 0 6.5rem}.strip{margin:0;overflow-x:clip}.strip figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 2rem;margin-bottom:1.4rem}.strip-now{display:flex;flex-wrap:wrap;align-items:baseline;gap:.25rem .9rem;margin:0}.strip-now .sekki-kanji{font:500 1.4rem/1.2 var(--font-ja);letter-spacing:.06em;color:var(--season)}.strip-now .sekki-name{font-weight:500}.strip-now 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