:root{--wood-1: #6b4322;--wood-3: #321d0b;--parch-1: #f7e9c8;--parch-2: #ead5a8;--parch-3: #d3b57c;--ink: #3a2610;--ink-soft: #70532c;--brass-1: #f0d071;--brass-2: #c69a35;--brass-3: #8a641a;--gold: #e6b444;--accent: #8a4f12;--shadow-1: 0 2px 6px rgba(0, 0, 0, .32);--shadow-2: 0 8px 24px rgba(0, 0, 0, .42);--font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Sukhumvit Set", "Thonburi", "Noto Sans Thai", "Leelawadee UI", system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Hiragino Mincho ProN", "Yu Mincho", Georgia, "Times New Roman", "Noto Serif Thai", "Ayuthaya", "Thonburi", "Leelawadee UI", serif;--grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;font-family:var(--font);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased;background:radial-gradient(1000px 600px at 50% 0%,rgba(255,206,130,.16),transparent 62%),radial-gradient(circle at 30% 10%,#6b4322,#3a2210 46%,#1e1107) fixed;background-color:#2a1a0c;min-height:100vh}body:before,body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:0}body:before{background-image:repeating-linear-gradient(0deg,rgba(0,0,0,.2) 0 1px,transparent 1px 3px),repeating-linear-gradient(92deg,rgba(255,208,150,.05) 0 2px,transparent 2px 9px)}body:after{background-image:var(--grain);opacity:.07;mix-blend-mode:overlay}.manual{position:relative;z-index:1}.m-noscript{color:#f0d9ab;text-align:center;padding:40px 16px}a{color:var(--accent);text-underline-offset:3px}a:focus-visible,button:focus-visible{outline:2px solid var(--brass-1);outline-offset:2px;border-radius:4px}.m-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));background:linear-gradient(180deg,#241508f0,#241508db);border-bottom:1px solid rgba(255,214,150,.18);box-shadow:0 2px 12px #00000059;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.m-back{display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 11px;border-radius:999px;border:1px solid rgba(255,214,150,.3);background:linear-gradient(178deg,#603f1af2,#38220df2);color:#f7e2b4;font-size:13px;font-weight:700;text-decoration:none;box-shadow:var(--shadow-1),inset 0 1px #ffd6962e}.m-back:hover{border-color:#ffd696b3;color:#fff3d6}.m-back svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.m-lang{display:inline-flex;padding:3px;border-radius:10px;border:1px solid rgba(220,180,110,.35);background:#140b0499}.m-lang button{border:0;background:transparent;color:#d8bd8c;font:inherit;font-size:12px;font-weight:700;padding:6px 12px;border-radius:7px;cursor:pointer}.m-lang button[aria-pressed=true]{color:#3a2405;background:linear-gradient(180deg,var(--brass-1),var(--brass-2) 60%,var(--brass-3));box-shadow:inset 0 1px #ffffff80}.m-wrap{width:min(980px,100%);margin:0 auto;padding:0 16px 56px}.m-hero{text-align:center;padding:34px 0 10px}.m-hero .logo{width:52px;margin:0 auto 8px;filter:drop-shadow(0 4px 6px rgba(0,0,0,.35))}.m-hero .logo svg{display:block;width:100%}.m-hero .logo polygon{fill:var(--gold);stroke:#7a4f14;stroke-width:5}.m-hero h1{margin:0;font-family:var(--font-display);font-weight:600;font-size:clamp(34px,7vw,54px);letter-spacing:.14em;line-height:1.05;background:linear-gradient(180deg,#fff0bd,#e9bb44 46%,#a97a1c);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 0 rgba(0,0,0,.4)) drop-shadow(0 10px 20px rgba(0,0,0,.45))}.m-hero h1 .sub{display:block;margin-top:8px;font-family:var(--font);font-size:12px;letter-spacing:.42em;color:#cdb083;-webkit-text-fill-color:#cdb083}.m-hero h2{margin:22px 0 0;font-family:var(--font-display);font-weight:600;font-size:clamp(22px,4vw,28px);letter-spacing:.2em;color:#f0d79b}.m-hero h2:after{content:"";display:block;width:84px;height:1px;margin:12px auto 0;background:linear-gradient(90deg,transparent,rgba(230,180,68,.7),transparent)}.m-lead{max-width:640px;margin:14px auto 0;color:#d9c197;font-size:14px}.m-toc{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:28px 0 8px;padding:0;list-style:none}.m-toc a{display:flex;flex-direction:column;height:100%;border-radius:14px;overflow:hidden;text-decoration:none;color:var(--ink);border:2px solid rgba(96,64,22,.6);background:linear-gradient(172deg,var(--parch-1),var(--parch-2) 62%,var(--parch-3));box-shadow:var(--shadow-2),inset 0 1px #ffffffa6;transition:transform .18s cubic-bezier(.2,.9,.3,1),box-shadow .18s ease}.m-toc a:hover{transform:translateY(-3px)}.m-toc .art{display:block;aspect-ratio:4 / 3;background:radial-gradient(circle at 50% 40%,#2b6f98,#123b58);border-bottom:2px solid rgba(70,44,14,.5)}.m-toc .art canvas{display:block;width:100%;height:100%}.m-toc .art.basics{display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,#7a5228,#3b2310)}.m-toc .art.basics svg{width:46%;height:auto}.m-toc .txt{display:block;padding:10px 12px 12px}.m-toc .name{display:block;font-family:var(--font-display);font-size:17px;font-weight:600;line-height:1.3}.m-toc .desc{display:block;margin-top:4px;font-size:12px;line-height:1.6;color:var(--ink-soft)}.m-sec{position:relative;margin-top:30px;padding:30px clamp(18px,4vw,40px) 28px;border-radius:20px;border:2px solid rgba(96,64,22,.55);background:radial-gradient(120% 90% at 22% 0%,#ffffff80,#fff0 50%),linear-gradient(172deg,var(--parch-1),var(--parch-2) 60%,var(--parch-3));box-shadow:var(--shadow-2),inset 0 1px #ffffffbf,inset 0 -4px 14px #8c602440,0 0 0 6px #3a220e73}.m-sec:after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background-image:var(--grain);mix-blend-mode:multiply;opacity:.07}.m-sec>*{position:relative;z-index:1}.m-sec h2{margin:0;font-family:var(--font-display);font-weight:600;font-size:clamp(24px,4vw,30px);letter-spacing:.06em;color:#43290c;line-height:1.3}.m-sec .kicker{display:block;margin-bottom:2px;font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}.m-sec h3{margin:28px 0 8px;padding-bottom:6px;font-size:17px;font-weight:800;color:#4a2f10;border-bottom:1px solid rgba(120,84,26,.3)}.m-sec h4{margin:18px 0 6px;font-size:14.5px;font-weight:800;color:#4a2f10}.m-sec p{margin:8px 0}.m-sec ul,.m-sec ol{margin:8px 0;padding-left:1.4em}.m-sec li{margin:4px 0}.m-sec li::marker{color:var(--brass-3)}.m-sec b{color:#3a2208}.m-intro{font-size:15px}.m-boards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0 6px}.m-boards.one{grid-template-columns:minmax(0,1fr);max-width:520px}.m-board{margin:0;border-radius:12px;overflow:hidden;border:2px solid rgba(70,44,14,.45);background:#fbf1da;box-shadow:0 3px 10px #50320f38}.m-board .art{display:block;aspect-ratio:16 / 11;background:radial-gradient(circle at 50% 40%,#2b6f98,#123b58)}.m-board canvas{display:block;width:100%;height:100%}.m-board figcaption{padding:9px 12px 11px;font-size:12.5px;line-height:1.6}.m-board figcaption b{display:block;font-family:var(--font-display);font-size:15px}.m-sec .m-chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0;padding:0;list-style:none}.m-sec .m-chips li{margin:0;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:700;background:#8a4f121a;border:1px solid rgba(138,79,18,.28);color:#5c3610}.m-table-wrap{overflow-x:auto;margin:10px 0;-webkit-overflow-scrolling:touch}.m-sec table{width:100%;border-collapse:collapse;font-size:13.5px}.m-sec th,.m-sec td{padding:7px 10px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(120,84,26,.22)}.m-sec th{font-size:12px;font-weight:800;color:var(--ink-soft);background:#8a4f1212;white-space:nowrap}.m-sec td:first-child{font-weight:700;white-space:nowrap}.m-sec td.num{white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums}.cost{display:inline-flex;gap:2px;vertical-align:middle}.cost svg{display:block}.res{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}.res svg{display:block;flex:none}.m-note{margin:14px 0;padding:10px 14px;border-radius:10px;background:#fffaeb8c;border:1px solid rgba(138,79,18,.25);font-size:13.5px}.m-note b:first-child{color:var(--accent)}.m-steps{counter-reset:step;list-style:none;padding-left:0!important}.m-steps>li{position:relative;padding-left:34px;margin:10px 0}.m-steps>li:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;color:#3a2405;background:linear-gradient(180deg,var(--brass-1),var(--brass-2));box-shadow:inset 0 1px #ffffff80,0 1px 2px #00000040}.m-top{margin-top:18px;text-align:right;font-size:12.5px;font-weight:700}.m-foot{margin-top:34px;text-align:center;color:#cbb083;font-size:12.5px}.m-foot .m-back{margin-bottom:12px}@media(max-width:860px){.m-toc{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.m-boards{grid-template-columns:minmax(0,1fr)}.m-toc{grid-template-columns:minmax(0,1fr);gap:10px}.m-toc a{flex-direction:row}.m-toc .art{width:112px;flex:none;aspect-ratio:auto;border-bottom:0;border-right:2px solid rgba(70,44,14,.5)}.m-sec{padding:22px 16px 20px;border-radius:16px}.m-sec table{font-size:12.5px}.m-sec th,.m-sec td{padding:6px 7px}}:lang(th) :is(.m-hero h2,.m-sec h2,.m-sec .kicker){letter-spacing:normal}