:root{color-scheme:dark;--bg: #111827;--panel: #172033;--panel-soft: #1d293b;--paper: #f7f3ea;--text: #f8fafc;--muted: #a9b4c4;--line: rgba(255, 255, 255, .12);--amber: #f4b860;--cyan: #8bd3dd;--green: #78c6a3;--red: #f08a7a;--ink: #172033;--shadow: 0 18px 45px rgba(0, 0, 0, .28)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(90deg,rgba(244,184,96,.05) 1px,transparent 1px),linear-gradient(180deg,#111827,#162033 42%,#10151f);background-size:72px 72px,auto;color:var(--text);font-family:Inter,Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}button,select{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:#111827e0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.header-inner{display:flex;align-items:center;gap:22px;min-height:74px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border:1px solid rgba(244,184,96,.55);border-radius:8px;background:#222f42;color:var(--amber);font-weight:800}.brand strong,.brand small{display:block}.brand small{color:var(--muted);font-size:.75rem;line-height:1.2}.nav-links{display:flex;flex:1;justify-content:center;gap:6px}.nav-links a{border-radius:8px;color:var(--muted);padding:8px 10px;font-size:.92rem}.nav-links a.active,.nav-links a:hover{background:#8bd3dd1a;color:var(--text)}.header-actions{display:flex;gap:8px}.icon-button{display:inline-flex;min-width:40px;height:40px;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);border-radius:8px;background:#ffffff0d;color:var(--text);cursor:pointer}.text-button{padding:0 12px}.hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 15% 20%,rgba(244,184,96,.18),transparent 28%),linear-gradient(135deg,#1f4d456b,#263b5233)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.8fr);gap:36px;padding:72px 0 56px;align-items:center}.kicker{display:inline-block;color:var(--cyan);font-family:Roboto Mono,Consolas,monospace;font-size:.8rem;letter-spacing:0;margin-bottom:8px}h1,h2,h3{line-height:1.35;margin:0;letter-spacing:0}.hero h1{max-width:760px;font-size:clamp(2.15rem,6vw,4.2rem);line-height:1.12}.hero p,.page-title p,.section-heading p{color:var(--muted)}.hero-copy p{max-width:760px;margin:20px 0 0;font-size:1.04rem}.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.hero-cta a,.tool-rail a,.tool-note a,.result-card a{border:1px solid rgba(244,184,96,.45);border-radius:8px;background:#f4b8601f;color:#ffe4b0;padding:10px 14px;font-weight:700}.alley-board{position:relative;border:1px solid rgba(244,184,96,.45);border-radius:8px;background:linear-gradient(180deg,#f7f3ea14,#f7f3ea05),#1d293b;box-shadow:var(--shadow);padding:24px}.alley-board:before{content:"";position:absolute;inset:13px auto auto -10px;width:18px;height:58px;border-radius:6px;background:var(--amber)}.alley-board span{color:var(--green);font-family:Consolas,monospace}.alley-board strong{display:block;margin:12px 0;font-size:1.5rem;line-height:1.45}.alley-board p{color:var(--muted);margin:0}.topic-chips{display:flex;flex-wrap:wrap;gap:10px;padding:28px 0 10px}.topic-chips a,.tag,.category-pill{display:inline-flex;align-items:center;min-height:30px;border:1px solid var(--line);border-radius:999px;background:#ffffff0e;color:var(--muted);padding:4px 10px;font-size:.82rem}.topic-chips a:nth-child(3n),.tag:nth-child(3n){border-color:#78c6a359}.topic-chips a:nth-child(4n),.tag:nth-child(4n){border-color:#f4b86059}.section-block,.page-section{padding:58px 0}.section-heading,.page-title{margin-bottom:24px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px}.section-heading h2,.page-title h1{font-size:clamp(1.7rem,3vw,2.5rem)}.inline-link{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-weight:700}.trending-list{display:grid;gap:10px}.trending-item{display:grid;grid-template-columns:52px 110px minmax(0,1.3fr) minmax(180px,1fr) 70px;gap:14px;align-items:center;border:1px solid var(--line);border-radius:8px;background:#ffffff0b;padding:14px}.rank{color:var(--amber);font-family:Consolas,monospace;font-size:1.25rem;font-weight:800}.trending-item small,.muted,.card-meta{color:var(--muted)}.trending-item em{color:var(--green);font-style:normal;text-align:right}.card-grid{display:grid;gap:18px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.article-card,.topic-card,.result-card,.tool-note,.empty-box{border:1px solid var(--line);border-radius:8px;background:#ffffff0b;padding:18px}.article-card{display:flex;min-height:250px;flex-direction:column;gap:12px}.article-card.large-card{min-height:310px;background:linear-gradient(180deg,rgba(139,211,221,.08),transparent),#ffffff0b}.card-topline,.article-meta,.tag-row,.share-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.article-card h3{font-size:1.16rem}.article-card p,.topic-card p,.result-card p{color:var(--muted);margin:0}.catch-copy{margin-top:auto;color:var(--amber)}.latest-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.75fr);gap:22px}.date-list{display:grid;gap:18px}.date-list div{border-left:3px solid var(--amber);padding-left:18px}.date-list h3{color:var(--green);font-family:Consolas,monospace;font-size:1rem}.date-list a{display:block;padding:5px 0}.tool-rail{align-self:start;border:1px solid rgba(244,184,96,.36);border-radius:8px;background:linear-gradient(180deg,#f4b8601f,#78c6a314);padding:24px}.tool-rail p{color:var(--muted)}.topic-card{min-height:220px}.topic-count{color:var(--amber);font-family:Consolas,monospace;font-size:.82rem}.page-title{max-width:760px;padding-top:28px}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud a{border:1px solid var(--line);border-radius:8px;background:#ffffff0d;padding:10px 12px}.tag-cloud span{color:var(--amber)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);padding-top:28px;font-size:.9rem}.article-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:28px;padding:34px 0;align-items:stretch}.article-hero h1{margin:16px 0;font-size:clamp(2rem,5vw,3.6rem)}.article-hero p,.article-meta{color:var(--muted)}.eyecatch{display:flex;min-height:320px;flex-direction:column;justify-content:flex-end;border:1px solid rgba(139,211,221,.35);border-radius:8px;background:linear-gradient(135deg,#8bd3dd29,#f4b8601a),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);padding:22px}.eyecatch span{color:var(--cyan);font-family:Consolas,monospace}.eyecatch strong{color:var(--amber);font-size:1.6rem}.article-body-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px}.toc{position:sticky;top:94px;align-self:start;border:1px solid var(--line);border-radius:8px;background:#ffffff0a;padding:16px}.toc strong,.toc a{display:block}.toc a{color:var(--muted);margin-top:10px;font-size:.9rem}.article-content{max-width:780px}.article-content h2{margin-top:34px;font-size:1.55rem}.article-content p,.article-content li,.readable p{color:#d8dee9}.points-box,.comparison-box,.note-box{border:1px solid var(--line);border-radius:8px;background:#ffffff0b;padding:18px;margin:18px 0}.note-box{border-color:#f08a7a73;background:#f08a7a14}table{width:100%;border-collapse:collapse}th,td{border-top:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{color:var(--amber);width:34%}pre{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#0b1020;padding:16px}code{font-family:Roboto Mono,Consolas,monospace}.share-row{border-top:1px solid var(--line);margin-top:34px;padding-top:18px}.share-row button{border:1px solid var(--line);border-radius:8px;background:#ffffff0d;color:var(--text);padding:8px 12px}.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:20px 0 60px}.prev-next a{border:1px solid var(--line);border-radius:8px;padding:14px}.checker{display:grid;gap:22px}.checker-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;border:1px solid var(--line);border-radius:8px;background:#ffffff0b;padding:18px}.checker-form label{display:grid;gap:8px;color:var(--muted)}select{width:100%;border:1px solid var(--line);border-radius:8px;background:#101827;color:var(--text);padding:10px 12px}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.score{color:var(--green);font-family:Consolas,monospace;font-size:.85rem}dl{display:grid;grid-template-columns:130px minmax(0,1fr);gap:7px 12px;color:var(--muted)}dt{color:var(--amber);font-weight:700}dd{margin:0}.readable{max-width:850px}.site-footer{border-top:1px solid var(--line);background:#0f1623;padding:42px 0}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-grid p,.footer-grid a{color:var(--muted)}.footer-grid a{display:block;margin-top:7px}.not-found{min-height:58vh}@media(max-width:900px){.header-inner{flex-wrap:wrap;padding:12px 0}.nav-links{order:3;width:100%;justify-content:flex-start;overflow-x:auto}.header-actions{margin-left:auto}.hero-grid,.latest-grid,.article-hero,.article-body-grid,.footer-grid,.checker-form,.result-grid,.card-grid.two,.card-grid.three,.card-grid.four{grid-template-columns:1fr}.trending-item{grid-template-columns:42px 1fr 72px}.trending-item .category-pill,.trending-item small{grid-column:2 / 4}.toc{position:static}.eyecatch{min-height:220px}}@media(max-width:560px){.container{width:min(100% - 22px,1120px)}.text-button span{display:none}.hero-grid{padding:48px 0 38px}.section-heading{display:block}.trending-item{grid-template-columns:42px 1fr}.trending-item em,.trending-item .category-pill,.trending-item small{grid-column:2;text-align:left}dl,.prev-next{grid-template-columns:1fr}th,td{display:block;width:100%}}