:root{--bg:#f6f7f4;--surface:#fff;--text:#1f2328;--muted:#515b66;--line:#dde2df;--accent:#254d3b;--accent-soft:#e8f0eb;--max:1080px;color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{isolation:isolate;min-height:100vh;color:var(--text);background:0 0;margin:0;line-height:1.7;position:relative}body:before{content:"";z-index:-2;pointer-events:none;filter:blur(1px);opacity:.3;background-image:url(/images/picture/background.webp);background-position:50%;background-repeat:no-repeat;background-size:cover;position:fixed;inset:-30px;transform:scale(1.03)}body:after{content:"";z-index:-1;pointer-events:none;background:#f6f7f4c7;position:fixed;inset:0}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%}code{background:#edf0ee;border-radius:5px;padding:.1rem .35rem}pre{color:#f4f6f5;background:#1f2924;border-radius:12px;padding:1rem;overflow-x:auto}pre code{background:0 0;padding:0}.container{width:min(calc(100% - 2rem), var(--max));margin:0 auto}.site-header{z-index:10;-webkit-backdrop-filter:blur(16px);background:#f6f7f4c2;border-bottom:1px solid #dde2dfb8;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:1rem;min-height:64px;display:flex}.brand{letter-spacing:-.02em;font-weight:700}.nav-links{color:var(--muted);flex-wrap:wrap;gap:1.1rem;font-size:.95rem;display:flex}.hero{grid-template-columns:1.4fr .8fr;align-items:end;gap:3rem;padding:6.5rem 0 4rem;display:grid}.eyebrow{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;font-weight:700}h1,h2,h3{letter-spacing:-.035em;line-height:1.2}h1{margin:.7rem 0 1.2rem;font-size:clamp(2.8rem,7vw,5.8rem)}h2{margin:0 0 1.2rem;font-size:clamp(1.8rem,4vw,2.8rem)}h3{margin:0 0 .6rem}.lead{max-width:680px;color:var(--muted);font-size:1.12rem}.actions{flex-wrap:wrap;gap:.8rem;margin-top:1.6rem;display:flex}.button{border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);background:#ffffffe0;border-radius:10px;justify-content:center;align-items:center;min-height:42px;padding:.65rem 1rem;font-weight:600;display:inline-flex}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.hero-note{border-left:2px solid var(--accent);color:var(--muted);padding-left:1.2rem}.section{padding:3.5rem 0}.section-head{justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.4rem;display:flex}.section-head p{color:var(--muted);margin:0}.grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.card{-webkit-backdrop-filter:blur(10px);background:#ffffffd1;border:1px solid #dde2dfe0;border-radius:16px;padding:1.25rem;transition:transform .16s,border-color .16s,box-shadow .16s}.card:hover{border-color:#b8c8bf;transform:translateY(-3px);box-shadow:0 12px 30px #1f232812}.meta{color:var(--muted);flex-wrap:wrap;gap:.45rem;margin-top:.9rem;font-size:.85rem;display:flex}.tag{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:.18rem .5rem}.course-card{justify-content:space-between;align-items:center;gap:1.5rem;display:flex}.course-card h3{margin-top:.65rem}.course-card p{margin-bottom:0}.course-list{min-height:38vh;padding-top:1rem}.list{gap:.2rem;display:grid}.list-item{border-bottom:1px solid var(--line);grid-template-columns:135px 1fr auto;align-items:baseline;gap:1rem;padding:1rem 0;display:grid}.list-item time,.muted{color:var(--muted)}.page-head{max-width:760px;padding:5rem 0 2rem}.page-head h1{font-size:clamp(2.5rem,6vw,4.7rem)}.content{-webkit-backdrop-filter:blur(12px);background:#ffffffe0;border:1px solid #dde2dfbf;border-radius:16px;max-width:760px;margin-top:1rem;margin-bottom:5rem;padding:1.8rem}.content h2{margin-top:2.5rem}.content h3{margin-top:2rem}.content a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.footer{color:var(--muted);-webkit-backdrop-filter:blur(12px);background:#f6f7f49e;border-top:1px solid #dde2dfcc;padding:2rem 0 3rem;font-size:.9rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:1rem;display:flex}@media (width<=760px){body:before{filter:blur(3px);opacity:.26}body:after{background:#f6f7f4db}.hero{grid-template-columns:1fr;padding-top:4rem}.grid{grid-template-columns:1fr}.nav{flex-direction:column;align-items:flex-start;height:auto;padding:.9rem 0}.nav-links{gap:.8rem}.list-item{grid-template-columns:1fr;gap:.15rem}.content{padding:1.2rem}}main{min-height:65vh}h1,h2,h3{overflow-wrap:anywhere}[id]{scroll-margin-top:130px}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:3px}.nav-links a{align-items:center;min-height:44px;padding:.25rem 0;display:inline-flex}.nav-links a[aria-current=page]{color:var(--accent);text-underline-offset:6px;font-weight:700;text-decoration:underline}.skip-link{z-index:100;background:#fff;padding:.6rem 1rem;position:fixed;top:-100px;left:1rem}.skip-link:focus{top:.5rem}.footer-links{flex-wrap:wrap;align-items:center;gap:.6rem 1rem;display:flex}.footer-links a{align-items:center;min-height:44px;display:inline-flex}.police-record{gap:.3rem}.content{overflow-wrap:anywhere;background:#fffffff7}.content pre{overflow-wrap:normal;max-width:100%}.content h2{font-size:clamp(1.4rem,3vw,2rem)}.toc{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:1rem 1.2rem}.toc ol{margin-bottom:0;padding-left:1.4rem}.toc li{margin:.3rem 0}.status-note{border-left:3px solid var(--accent);background:var(--accent-soft);padding:.75rem 1rem;font-size:.95rem}.reading-footer{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:2.5rem;padding-top:1rem;display:flex}@media (width<=760px){body:before{background-image:url(/images/picture/background-mobile.webp)}.hero{gap:1.5rem;padding-top:2.5rem}.page-head{padding-top:2.5rem}.page-head h1{font-size:clamp(2rem,8vw,3rem);line-height:1.35}.section{padding:2rem 0}.section-head{flex-wrap:wrap;align-items:flex-start}.course-card{flex-direction:column;align-items:flex-start;gap:.9rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}.card:hover{transform:none}}:root{--bg:#edf7fa;--surface:#fffdfb;--text:#283746;--muted:#617282;--line:#d7e6ec;--accent:#2c6b83;--accent-soft:#e6f2f5;--pink:#e69aaa;--shadow:0 18px 50px #4a74881f;color-scheme:light}:root[data-theme=dark]{--bg:#15232d;--surface:#1d303c;--text:#edf5f7;--muted:#adc0c9;--line:#36505d;--accent:#9bd4e5;--accent-soft:#284652;--shadow:0 18px 50px #00000047;color-scheme:dark}body{font-family:Noto Sans SC,PingFang SC,Inter,ui-sans-serif,system-ui,sans-serif}body:before{filter:blur(2px);opacity:.2;background-image:url(/images/blog/sakura-landscape.webp)}body:after{background:color-mix(in srgb,var(--bg) 82%,transparent)}.site-header{background:color-mix(in srgb,var(--bg) 78%,transparent);border-color:color-mix(in srgb,var(--line) 70%,transparent)}.brand{color:var(--text);font-size:1.05rem}.brand-mark{background:var(--pink);color:#fff;border-radius:50%;place-items:center;width:1.55rem;height:1.55rem;margin-right:.35rem;font-size:.8rem;display:inline-grid}.nav-links a[aria-current=page]{color:var(--accent);font-weight:700}.menu-toggle,.theme-toggle{border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 75%,transparent);color:var(--text);cursor:pointer;border-radius:999px}.menu-toggle{padding:.35rem .7rem;display:none}.theme-toggle{width:2rem;height:2rem}.hero-video{isolation:isolate;color:#fff;align-items:center;min-height:680px;padding:0;display:grid;position:relative;overflow:hidden}.hero-video-media,.hero-video-overlay{width:100%;height:100%;position:absolute;inset:0}.hero-video-media{z-index:-2;object-fit:cover;filter:blur(2px)saturate(.72)brightness(1.08);opacity:.58;transform:scale(1.03)}.hero-video-overlay{z-index:-1;background:linear-gradient(#fcebf194,#e6eff18f 58%,#f4ebefe6),linear-gradient(90deg,#f8d2e042,#e0edef38)}.hero-content{text-align:center;color:#34313b;padding-top:5rem;padding-bottom:4rem}.hero-content .eyebrow{color:#9b5f78}.hero-content h1{letter-spacing:-.07em;margin:.55rem 0 .3rem;font-size:clamp(3.7rem,10vw,7.8rem)}.profile-mark{letter-spacing:-.12em;background:linear-gradient(140deg,#e1afc5,#a2b8c2);border:4px solid #fff;border-radius:50%;place-items:center;width:6.2rem;height:6.2rem;margin:0 auto;font-size:1.55rem;font-weight:800;display:grid;overflow:hidden;box-shadow:0 9px 30px #a1537f33}.profile-mark img{object-fit:cover;width:100%;height:100%}.hero-motto{margin:0 0 .3rem;font-size:clamp(1.25rem,2vw,1.65rem)}.hero-content .lead{color:#69666e;max-width:560px;margin-left:auto;margin-right:auto}:root[data-theme=dark] .hero-content{color:#f6f1f7}:root[data-theme=dark] .hero-content .eyebrow{color:#f2bbd0}:root[data-theme=dark] .hero-content .lead{color:#d4c9d1}.glass-button{color:#756576;background:#ffffffa8;border-color:#a1728a4d}.scroll-cue{color:#95838e;letter-spacing:.12em;text-transform:uppercase;margin-top:5rem;font-size:.82rem}.scroll-cue span{color:#f3b0be;margin-left:.6rem;font-size:1.2rem}.intro-strip{z-index:2;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 88%,transparent);box-shadow:var(--shadow);backdrop-filter:blur(12px);border-radius:18px;justify-content:space-between;align-items:center;gap:1rem;margin-top:-2.2rem;padding:1.3rem 1.5rem;display:flex;position:relative}.intro-strip p{color:var(--muted);margin:0}.intro-strip a,.read-link{color:var(--accent);font-weight:700}.explore-grid{grid-template-columns:repeat(4,1fr);gap:.8rem;display:grid}.explore-grid a,.index-card{border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 84%,transparent);border-radius:16px;padding:1.35rem;transition:transform .2s,box-shadow .2s,border-color .2s;display:block;box-shadow:0 8px 25px #4a74880f}.explore-grid a:hover,.index-card:hover,.article-card:hover{border-color:color-mix(in srgb,var(--pink) 55%,var(--line));box-shadow:var(--shadow);transform:translateY(-4px)}.explore-grid span{color:var(--pink);letter-spacing:.1em;font-size:.75rem;display:block}.explore-grid strong,.explore-grid small{display:block}.explore-grid strong{margin:.65rem 0 .2rem;font-size:1.08rem}.explore-grid small{color:var(--muted)}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;display:grid}.article-card{border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:0;transition:transform .2s,box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 8px 28px #4a748814}.article-cover{background:#c9e6ef;height:220px;position:relative;overflow:hidden}.article-cover:after{content:"";background:linear-gradient(transparent,var(--surface));position:absolute;inset:42% 0 0}.article-cover img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.article-card:hover .article-cover img{transform:scale(1.04)}.cover-label{z-index:1;color:#2d6377;background:#ffffffc7;border-radius:999px;padding:.3rem .65rem;font-size:.78rem;position:absolute;top:1rem;left:1rem}.article-card-body{padding:1.15rem 1.25rem 1.3rem}.article-card h3{font-size:1.35rem}.article-meta{color:var(--muted);gap:.8rem;font-size:.82rem;display:flex}.tag-row{flex-wrap:wrap;gap:.35rem;margin:.75rem 0;display:flex}.article-card p,.index-card p{color:var(--muted);margin:0 0 1rem}.article-card .read-link{font-size:.9rem}.article-head{padding-bottom:1.3rem}.article-hero-image{height:min(38vw,390px);box-shadow:var(--shadow);border-radius:20px;overflow:hidden}.article-hero-image img{object-fit:cover;width:100%;height:100%}.index-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.index-card h2{margin:.55rem 0 .65rem;font-size:1.55rem}.tag-cloud{flex-wrap:wrap;align-content:flex-start;gap:.7rem;min-height:30vh;display:flex}.tag-cloud-item{border:1px solid var(--line);background:var(--surface);color:var(--accent);border-radius:999px;align-items:center;gap:.55rem;padding:.7rem 1rem;font-weight:700;display:flex}.tag-cloud-item small{color:var(--muted)}.archive-list>section{margin-bottom:2rem}.archive-list h2{color:var(--pink)}.archive-item{border-bottom:1px solid var(--line);grid-template-columns:100px 1fr auto;gap:1rem;padding:.85rem 0;display:grid}.archive-item time{color:var(--muted)}.empty-state{text-align:center;border:1px dashed var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);border-radius:18px;padding:4rem 1rem}.empty-icon{color:var(--pink);font-size:3rem}.footer{background:color-mix(in srgb,var(--bg) 76%,transparent)}.search-toggle{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:.35rem .55rem;font-size:1.4rem;line-height:1}.search-toggle:hover{color:var(--pink)}.site-search{z-index:12;border:1px solid var(--line);background:var(--surface);width:min(360px,100vw - 2rem);box-shadow:var(--shadow);border-radius:14px;padding:.8rem;display:none;position:absolute;top:calc(100% + .55rem);right:1rem}.site-search.is-open{display:block}.site-search label{color:var(--muted);margin-bottom:.35rem;font-size:.75rem;display:block}.site-search input{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--text);border-radius:9px;padding:.55rem .7rem}.article-card[hidden]{display:none}@media (width<=760px){.menu-toggle{display:inline-block}.nav{position:relative}.nav-links{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;gap:.15rem;padding:.7rem;display:none;position:absolute;top:calc(100% + .4rem);left:0;right:0}.nav-links.is-open{display:flex}.nav-links a{padding:.55rem .7rem}.theme-toggle{margin:.4rem .7rem}.hero-video{min-height:620px}.hero-content{padding-top:4rem}.scroll-cue{margin-top:3rem}.intro-strip{flex-direction:column;align-items:flex-start;margin-top:-1.6rem}.explore-grid,.index-grid{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:1fr}.article-hero-image{height:230px}.site-search{right:.5rem}}@media (prefers-reduced-motion:reduce){.hero-video-media{display:none}.hero-video{background:url(/videos/hero-poster.jpg) 50%/cover}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}