:root{color-scheme:dark;--ink:#e7e0d1;--muted:#a9a18f;--gold:#d8ba72;--line:#3d382f;--panel:#11151a;--panel2:#0c1015;--blue:#8fb4c8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 50% -10%,#24221d 0,#0a0d11 38rem,#07090c 100%);color:var(--ink);font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.75}.language-toggle{position:fixed;z-index:10;top:12px;right:12px;padding:7px 12px;border:1px solid #665a43;border-radius:999px;background:#090c10e8;color:#e8d49e;text-decoration:none;font-size:.78rem}.manual-hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,#06080bbd,#0b0e12ed),url("img/profile-backgrounds/floor-50.webp") center/cover}.manual-hero-inner{width:min(1040px,calc(100% - 32px));margin:auto;padding:64px 0 48px}.back-link{display:inline-block;margin-bottom:36px;color:var(--muted);text-decoration:none}.manual-hero small,.section-heading small,.spoiler-policy>small{letter-spacing:.22em;color:var(--gold);font:700 .72rem Georgia,serif}.manual-hero h1{margin:.1em 0;font:500 clamp(2.3rem,7vw,5rem)/1.05 Georgia,"Yu Mincho",serif;letter-spacing:.07em;text-shadow:0 4px 24px #000}.manual-hero p{max-width:720px;margin:18px 0 0;color:#d0c8b9}.maintenance-note{width:max-content;max-width:100%;margin-top:24px;padding:8px 13px;border:1px solid #796636;background:#17130bcf;color:#e9d59c;font-size:.82rem}.manual-shell{width:min(1040px,calc(100% - 32px));margin:0 auto;padding:44px 0 80px}.section-heading h2,.spoiler-policy h2{margin:.05em 0 .2em;font:500 clamp(1.65rem,4vw,2.45rem) Georgia,"Yu Mincho",serif;letter-spacing:.04em}.section-heading p{margin:0;color:var(--muted)}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}.quick-grid article{position:relative;min-height:230px;padding:25px 22px;border:1px solid var(--line);background:linear-gradient(145deg,#15191f,#0c0f13);box-shadow:0 14px 34px #0005}.quick-grid article>span{color:#756a52;font:700 1.75rem Georgia,serif}.quick-grid h3{margin:.25em 0 .5em;color:#ead8a3;font:600 1.06rem/1.45 "Yu Mincho",serif}.quick-grid p{margin:0;color:#bbb4a7;font-size:.91rem}.manual-index{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:42px 0 18px;padding:14px;border:1px solid var(--line);background:#0c1015}.manual-index strong{margin-right:6px;color:#d8cfbd}.manual-index a{padding:5px 10px;border:1px solid #3b4650;border-radius:999px;color:#b9cfda;text-decoration:none;font-size:.82rem}.guide-section{scroll-margin-top:16px;padding:50px 0 4px}.guide-section .section-heading{margin-bottom:20px}.guide-section details{border:1px solid var(--line);border-bottom:0;background:var(--panel2)}.guide-section details:last-child{border-bottom:1px solid var(--line)}.guide-section summary{position:relative;padding:17px 48px 17px 20px;color:#ded4c1;cursor:pointer;font-weight:700;list-style:none}.guide-section summary::-webkit-details-marker{display:none}.guide-section summary:after{content:"＋";position:absolute;right:18px;color:var(--gold);font-size:1.15rem}.guide-section details[open] summary:after{content:"−"}.guide-section details[open] summary{border-bottom:1px solid #2b2924;background:#12171d}.guide-section details>div{padding:18px 20px 22px}.guide-section details p{max-width:850px;margin:0;color:#bdb6a9}.spoiler-policy{margin-top:54px;padding:28px;border:1px solid #67593b;background:linear-gradient(135deg,#17140d,#0e1216)}.spoiler-policy p{max-width:850px;margin:12px 0 0;color:#c4bba9}.manual-footer{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted)}.manual-footer a{color:#e4cb8d;text-decoration:none}.back-link:hover,.manual-footer a:hover,.manual-index a:hover{text-decoration:underline}@media(max-width:820px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.manual-hero-inner{padding:52px 0 34px}.manual-hero p{font-size:.92rem}.manual-shell{padding-top:30px}.quick-grid{grid-template-columns:1fr}.quick-grid article{min-height:0;padding:20px}.manual-index{align-items:flex-start}.manual-index strong{width:100%;margin-bottom:4px}.guide-section{padding-top:40px}.guide-section summary{padding:15px 44px 15px 16px;font-size:.94rem}.guide-section details>div{padding:15px 16px 19px}.guide-section details p{font-size:.9rem}.spoiler-policy{padding:21px 18px}.manual-footer{flex-direction:column}.language-toggle{top:8px;right:8px}}
