:root{color-scheme:light;--paper:#fffaf2;--ink:#343d3a;--muted:#656e65;--orange:#b95533;--line:#e5e2d8;--green:#386458;font-family:ui-rounded,"Hiragino Maru Gothic ProN","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:.25em}a:focus-visible{outline:3px solid #386458;outline-offset:6px}svg{display:block;max-width:100%}.wrap{width:min(1040px,calc(100% - 56px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:30px;border-bottom:1px solid var(--line)}.brand{font-family:ui-rounded,system-ui,sans-serif;font-weight:850;font-size:27px;letter-spacing:1px;text-decoration:none;white-space:nowrap}.brand .k{color:#b95533}.brand .i{color:#90701d}.brand .d{color:#386458}.brand .s{color:#77619d}.brand-spark{display:inline-block;margin-left:8px;font-size:21px;color:#c47637}.header-note{font-size:12px;color:var(--muted)}.skip{position:absolute;top:8px;left:8px;transform:translateY(-180%);background:#fff;padding:12px;z-index:2}.skip:focus{transform:none}.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:700;color:var(--orange);margin:0 0 14px}.hero{padding:72px 0 68px;position:relative}.hero h1{font-size:clamp(30px,4.5vw,51px);line-height:1.6;letter-spacing:.045em;margin:0;font-weight:800}.hero h1 span{color:var(--green)}.hero-copy{font-size:15px;line-height:2.1;color:var(--muted);margin:22px 0 0}.hero-doodle{position:absolute;right:60px;top:95px;width:180px;height:150px;pointer-events:none}.hero-doodle span{position:absolute}.hero-doodle span:nth-child(1){font-size:95px;color:#ddb96b;left:5px;top:0;transform:rotate(10deg)}.hero-doodle span:nth-child(2){font-size:42px;right:0;bottom:0;color:#bad6c6}.hero-doodle span:nth-child(3){font-size:50px;right:0;top:0;color:#c58c81}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.section-head h2{font-size:23px;letter-spacing:.05em;margin:0}.section-head>span{color:var(--muted);font-family:system-ui,sans-serif;font-size:11px;letter-spacing:.15em}.game-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.game-card{display:block;border:1px solid var(--line);border-radius:24px;overflow:hidden;text-decoration:none;background:#fff;transition:box-shadow .2s,transform .2s}.game-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #424f3610}.game-art{aspect-ratio:480/270;overflow:hidden}.game-art svg{width:100%;height:100%}.balloon-art{background:#d9f0ec}.fireworks-art{background:#172337}.game-body{padding:26px 28px 28px}.game-category{font-size:11px;font-weight:700;color:var(--green);background:#edf4e9;border-radius:20px;display:inline-block;padding:5px 12px}.game-category.purple{color:#71598d;background:#f1ecf6}.game-body h3{font-size:24px;line-height:1.5;margin:13px 0 8px}.game-body p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.play-link{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:24px;padding-top:18px;font-size:16px;font-weight:700;color:var(--green)}.parent-banner{margin:56px 0 48px;padding:32px 36px;border-radius:20px;background:#edf1e6;display:flex;gap:28px;align-items:center;justify-content:space-between}.parent-banner h2{font-size:21px;margin:0 0 10px}.parent-banner p:last-child{font-size:13px;line-height:1.9;margin:0;color:#556150}.parent-banner .eyebrow{font-size:10px;margin-bottom:10px;color:var(--green)}.outline-link{display:inline-flex;justify-content:center;align-items:center;gap:24px;padding:13px 20px;min-height:48px;border:1px solid #73836b;border-radius:100px;text-decoration:none;font-size:14px;font-weight:700;white-space:nowrap}.outline-link:hover{background:#fff9}.site-footer{display:flex;align-items:center;flex-wrap:wrap;gap:16px 25px;padding-block:28px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.site-footer a{padding-block:10px}.site-footer small{margin-left:auto;font-family:system-ui,sans-serif;font-size:11px}.back-link{font-size:13px;min-height:44px;display:flex;align-items:center;text-decoration:none}.guide{max-width:820px}.guide-intro{padding:60px 0 26px}.guide-intro h1{font-size:clamp(29px,5vw,40px);margin:0 0 20px}.guide-intro>p:last-child{font-size:15px;line-height:2;color:var(--muted)}.guide-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 40px}.guide-nav a{padding:12px 15px;border:1px solid var(--line);background:#fff;border-radius:30px;font-size:12px;text-decoration:none;min-height:44px}.guide-section{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;margin:24px 0;scroll-margin-top:20px}.section-number{font-size:11px;letter-spacing:.09em;color:var(--green);font-weight:700;margin:0 0 12px}.guide h2{font-size:24px;line-height:1.6;margin:0 0 18px}.guide h3{font-size:16px;margin:28px 0 12px}.guide p,.guide li{font-size:14px;line-height:2}.guide li{padding-left:4px;margin-bottom:10px}.guide ol,.guide ul{padding-left:24px}.settings-demo{display:flex;align-items:center;gap:24px;border-radius:14px;background:#f1ecfa;padding:22px;color:#77619d;margin:24px 0}.settings-demo svg{flex-shrink:0}.settings-demo p{margin:0;color:var(--ink)}.settings-demo small{font-size:12px;color:var(--muted)}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px;line-height:1.8}caption{text-align:left;padding:12px 0;font-weight:700}th,td{border-bottom:1px solid var(--line);padding:14px 10px;vertical-align:top}thead th{font-size:12px;color:var(--muted);background:var(--paper)}tbody th{font-weight:600;min-width:110px}.guide-divider{padding:20px 4px 0;margin-top:30px}.guide-divider h2{font-size:22px}.guide-divider .note{background:#edf1e6;padding:16px 20px;border-radius:12px;font-size:13px}.source-link{display:inline-flex;align-items:center;gap:8px;min-height:48px;color:var(--green);font-size:13px;font-weight:700}.guide-ending{text-align:center;color:var(--muted);margin-top:42px}.guide-back{display:flex;width:fit-content;margin:24px auto 48px}strong{font-weight:750}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.site-header{padding-block:20px;gap:12px}.brand{font-size:23px}.header-note{display:none}.hero{padding:45px 0 42px}.hero-copy{font-size:13px}.hero-doodle{right:0;top:35px;width:75px;height:65px;opacity:.6}.hero-doodle span:nth-child(1){font-size:40px}.hero-doodle span:nth-child(2){font-size:18px}.hero-doodle span:nth-child(3){font-size:22px}.section-head h2{font-size:20px}.section-head>span{font-size:9px}.game-grid{gap:24px;grid-template-columns:1fr}.game-body{padding:22px 24px}.game-body h3{font-size:23px}.parent-banner{margin:34px 0;padding:26px 24px;align-items:flex-start;flex-direction:column;gap:20px}.parent-banner .outline-link{width:100%}.site-footer{column-gap:18px;font-size:11px}.site-footer small{width:100%;margin:0}.guide-intro{padding-top:36px}.guide-intro>p:last-child{font-size:14px}.guide-section{padding:24px 20px}.guide h2{font-size:21px}.guide-divider h2{font-size:20px}.settings-demo{padding:18px 15px;gap:15px;align-items:flex-start}.settings-demo svg{width:36px;height:36px}.settings-demo p{font-size:13px}.guide-nav a{font-size:11px;padding:12px}.guide-nav{margin-bottom:24px}.guide p,.guide li{overflow-wrap:anywhere}.back-link{font-size:12px}}
@media(prefers-reduced-motion:reduce){.game-card{transition:none}.game-card:hover{transform:none}}