.ThemeToggle-module__Dw_MQq__toggle{border:1px solid var(--ink-faint);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;padding:0;transition:border-color .3s,transform .2s;display:flex;position:relative}.ThemeToggle-module__Dw_MQq__toggle:hover{border-color:var(--vermillion);transform:scale(1.05)}.ThemeToggle-module__Dw_MQq__toggle:focus-visible{outline:2px solid var(--vermillion);outline-offset:2px}.ThemeToggle-module__Dw_MQq__icon{fill:none;width:1.1rem;height:1.1rem;stroke:var(--ink-gray);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:opacity .3s,transform .3s;position:absolute}.ThemeToggle-module__Dw_MQq__visible{opacity:1}
.Header-module__MytmHG__siteHeader{z-index:100;width:100%;position:fixed;top:0;left:0}.Header-module__MytmHG__nav{background:linear-gradient(to bottom,var(--bg-paper)0%,transparent 100%);justify-content:space-between;align-items:center;padding:2rem 5rem;display:flex}.Header-module__MytmHG__siteHeader.Header-module__MytmHG__hasBanner .Header-module__MytmHG__nav{background:var(--bg-paper);padding-bottom:0}.Header-module__MytmHG__headerBanner{display:none}.Header-module__MytmHG__siteHeader.Header-module__MytmHG__hasBanner .Header-module__MytmHG__headerBanner{display:block}.Header-module__MytmHG__logo{align-items:center;gap:1rem;display:flex}.Header-module__MytmHG__logoKanji{font-family:var(--font-serif-jp);color:var(--ink-black);font-size:1.8rem;font-weight:400}.Header-module__MytmHG__logoEn{font-family:var(--font-serif);letter-spacing:.3em;text-transform:uppercase;color:var(--ink-light);font-size:.9rem}.Header-module__MytmHG__navLinks{gap:3rem;margin-right:2rem;list-style:none;display:flex}.Header-module__MytmHG__navLinks a{font-family:var(--font-serif);letter-spacing:.15em;text-transform:uppercase;color:var(--ink-gray);padding-bottom:.3rem;font-size:.95rem;transition:color .3s;position:relative}.Header-module__MytmHG__navLinks a:after{content:"";background:var(--vermillion);width:0;height:1px;transition:all .4s;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.Header-module__MytmHG__navLinks a:hover,.Header-module__MytmHG__navLinks a.Header-module__MytmHG__active{color:var(--vermillion)}.Header-module__MytmHG__navLinks a:hover:after,.Header-module__MytmHG__navLinks a.Header-module__MytmHG__active:after{width:100%}.Header-module__MytmHG__navRight{align-items:center;gap:1rem;display:flex}.Header-module__MytmHG__mobileMenuBtn{border:1px solid var(--ink-faint);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;padding:0;transition:border-color .3s,transform .2s;display:none}.Header-module__MytmHG__mobileMenuBtn:hover{border-color:var(--vermillion)}.Header-module__MytmHG__mobileMenuBtn:focus-visible{outline:2px solid var(--vermillion);outline-offset:2px}.Header-module__MytmHG__mobileMenuBtn svg{fill:none;width:1.1rem;height:1.1rem;stroke:var(--ink-gray);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.Header-module__MytmHG__mobileMenuBtn .Header-module__MytmHG__closeIcon,.Header-module__MytmHG__mobileMenuBtn.Header-module__MytmHG__open .Header-module__MytmHG__hamburgerIcon{display:none}.Header-module__MytmHG__mobileMenuBtn.Header-module__MytmHG__open .Header-module__MytmHG__closeIcon{display:block}.Header-module__MytmHG__mobileMenuOverlay{opacity:0;visibility:hidden;z-index:150;background:#1a171466;transition:all .3s;position:fixed;inset:0}.Header-module__MytmHG__mobileMenuOverlay.Header-module__MytmHG__open{opacity:1;visibility:visible}.Header-module__MytmHG__mobileMenu{background:var(--bg-paper);z-index:200;width:280px;max-width:80vw;height:100vh;padding:5rem 2rem 2rem;transition:transform .3s;position:fixed;top:0;right:0;transform:translate(100%);box-shadow:-4px 0 20px #1a17141a}.Header-module__MytmHG__mobileMenu.Header-module__MytmHG__open{transform:translate(0)}.Header-module__MytmHG__mobileNavLinks{flex-direction:column;gap:0;list-style:none;display:flex}.Header-module__MytmHG__mobileNavLinks li{border-bottom:1px solid var(--ink-faint)}.Header-module__MytmHG__mobileNavLinks a{font-family:var(--font-serif);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-gray);padding:1rem 0;font-size:1.1rem;transition:color .2s;display:block}.Header-module__MytmHG__mobileNavLinks a:hover,.Header-module__MytmHG__mobileNavLinks a.Header-module__MytmHG__active{color:var(--vermillion)}@media (max-width:768px){.Header-module__MytmHG__nav{padding:1.5rem 2rem}.Header-module__MytmHG__siteHeader.Header-module__MytmHG__hasBanner .Header-module__MytmHG__nav{padding-bottom:0}.Header-module__MytmHG__navLinks{margin-right:0;display:none}.Header-module__MytmHG__mobileMenuBtn{display:flex}}
.Footer-module__drEjgq__footer{padding:3rem var(--section-padding);border-top:1px solid var(--ink-faint);justify-content:space-between;align-items:center;display:flex}.Footer-module__drEjgq__footer p{font-family:var(--font-sans);color:var(--ink-light);font-size:.85rem}.Footer-module__drEjgq__footerJp{font-family:var(--font-serif-jp);color:var(--ink-light);letter-spacing:.3em;font-size:.9rem}@media (max-width:640px){.Footer-module__drEjgq__footer{gap:var(--space-sm);padding:var(--space-md)var(--space-4);text-align:center;flex-direction:column}}
.Sakura-module__o130ya__sakuraContainer{pointer-events:none;z-index:10;position:fixed;inset:0;overflow:hidden}.Sakura-module__o130ya__petal{background:linear-gradient(135deg,#ffb7c5 0%,#ffd4dc 100%);border-radius:50% 0 50% 50%;width:12px;height:12px;animation:linear infinite Sakura-module__o130ya__fall;position:absolute}@keyframes Sakura-module__o130ya__fall{0%{opacity:0;transform:translateY(-100px)rotate(0)translate(0)}10%{opacity:.7}90%{opacity:.7}to{opacity:0;transform:translateY(100vh)rotate(360deg)translate(100px)}}
:root{--font-serif:"Cormorant Garamond",serif;--font-serif-jp:"Noto Serif JP",serif;--font-sans:"Zen Kaku Gothic New",sans-serif;--space-xs:.5rem;--space-sm:1rem;--space-md:2rem;--space-lg:4rem;--space-xl:8rem;--space-4:1rem;--space-6:1.5rem;--section-padding:10vw;--header-height:6rem;--header-banner-height:2.5rem;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--chart-1:#7c9885;--chart-2:#b8a07e;--chart-3:#8b7c99;--chart-4:#9b8578;--chart-5:#6b8a91;--chart-6:#a08b76;--chart-7:#8a9b7c;--chart-8:#99857c}:root,:root[data-theme=light]{--bg-paper:#faf8f4;--bg-paper-dark:#f0ebe3;--ink-black:#1a1714;--ink-gray:#4a4540;--ink-light:#8a8580;--ink-faint:#1a17141f;--vermillion:#c41e3a;--vermillion-light:#e85d6f;--indigo:#3d5a80;--bg-accent:#fff9f0;--code-bg:#f5f0e8;--code-text:#1a1714;--code-inline-bg:#1a17140f;--code-btn-text:#1a171480;--code-btn-bg:#1a17140f;--code-btn-border:#1a171426;--code-btn-hover-text:#1a1714cc;--code-btn-hover-bg:#1a17141a;--text-on-accent:#fff;--blockquote-bg:#faf8f480;--color-success:#2d7d46;--table-header-bg:#1a17140a;--table-row-alt-bg:#1a171405;--table-row-hover-bg:#c41e3a08}:root[data-theme=dark]{--bg-paper:#1a1714;--bg-paper-dark:#252220;--ink-black:#f0ebe3;--ink-gray:#c5c0b8;--ink-light:#8a8580;--ink-faint:#f0ebe31f;--vermillion:#e85d6f;--vermillion-light:#ff8a98;--indigo:#6b8cae;--bg-accent:#2c2825;--code-bg:#252220;--code-text:#f0ebe3;--code-inline-bg:#f0ebe314;--code-btn-text:#f0ebe380;--code-btn-bg:#f0ebe314;--code-btn-border:#f0ebe326;--code-btn-hover-text:#f0ebe3cc;--code-btn-hover-bg:#f0ebe31f;--text-on-accent:#fff;--blockquote-bg:#25222080;--color-success:#5cb85c;--table-header-bg:#f0ebe30a;--table-row-alt-bg:#f0ebe305;--table-row-hover-bg:#e85d6f0f}@media (prefers-color-scheme:dark){:root:not([data-theme]){--bg-paper:#1a1714;--bg-paper-dark:#252220;--ink-black:#f0ebe3;--ink-gray:#c5c0b8;--ink-light:#8a8580;--ink-faint:#f0ebe31f;--vermillion:#e85d6f;--vermillion-light:#ff8a98;--indigo:#6b8cae;--bg-accent:#2c2825;--code-bg:#252220;--code-text:#f0ebe3;--code-inline-bg:#f0ebe314;--code-btn-text:#f0ebe380;--code-btn-bg:#f0ebe314;--code-btn-border:#f0ebe326;--code-btn-hover-text:#f0ebe3cc;--code-btn-hover-bg:#f0ebe31f;--text-on-accent:#fff;--blockquote-bg:#25222080;--color-success:#5cb85c;--table-header-bg:#f0ebe30a;--table-row-alt-bg:#f0ebe305;--table-row-hover-bg:#e85d6f0f}}[data-rehype-pretty-code-figure] code span[style],pre code span[style]{color:var(--shiki-light)}:root[data-theme=dark] [data-rehype-pretty-code-figure] code span[style],:root[data-theme=dark] pre code span[style]{color:var(--shiki-dark)!important}@media (prefers-color-scheme:dark){:root:not([data-theme]) [data-rehype-pretty-code-figure] code span[style],:root:not([data-theme]) pre code span[style]{color:var(--shiki-dark)!important}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-paper);color:var(--ink-black);font-weight:300;line-height:1.8;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:300;line-height:1.2}a{color:inherit;text-decoration:none}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.main-content{padding-top:var(--header-height)}.has-header-banner{--header-height:calc(6rem + var(--header-banner-height))}@media (max-width:768px){:root{--header-height:5rem}.has-header-banner{--header-height:calc(5rem + var(--header-banner-height))}}.paper-texture{pointer-events:none;z-index:9999;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");position:fixed;inset:0}[data-theme=dark] .paper-texture{opacity:.06}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes gentleFloat{0%,to{transform:translate(-50%)translateY(0)}50%{transform:translate(-50%)translateY(-8px)}}.reveal{opacity:0;transition:all 1s cubic-bezier(.25,.8,.25,1);transform:translateY(40px)}.reveal.active{opacity:1;transform:translateY(0)}