*{box-sizing:border-box}body{margin:0;color:#161616;background:#fffdf6;font-family:"BIZ UDPGothic","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;font-size:18px;line-height:1.85}a{color:#1f4e79;text-underline-offset:.2em}button,input,textarea{font:inherit}button,summary{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #6a1b9a;outline-offset:4px}.main{max-width:1020px;margin:auto;padding:28px 24px 60px}h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.35;margin:8px 0 22px}h2{font-size:1.55rem;line-height:1.5;margin-top:36px}h3{font-size:1.15rem}p{margin:.8em 0}.moji-kicker{color:#6a1b9a;font-weight:bold}.moji-hero{border:3px solid #161616;border-radius:20px;background:#fff4b8;padding:26px;box-shadow:6px 6px 0 #161616}.moji-hero h1{margin-top:0}.moji-lead{max-width:42em}.moji-bubble{display:flex;align-items:center;gap:20px;margin:20px 0}.moji-bubble img{width:90px;height:90px;flex-shrink:0}.moji-bubble p{background:#fff;border:2px solid #161616;border-radius:14px;padding:16px}.moji-actions{display:flex;flex-wrap:wrap;gap:14px;margin:22px 0}.moji-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border:2px solid #161616;border-radius:10px;padding:8px 18px;background:#fff;color:#161616;font-weight:700;text-decoration:none}.moji-btn-primary{background:#6a1b9a;color:#fff}.moji-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:0;list-style:none}.moji-card{border:2px solid #161616;border-radius:14px;background:#fff;padding:20px}.moji-card h2,.moji-card h3{margin-top:0}.moji-card p{margin:8px 0}.moji-count{font-size:16px;color:#555}.moji-tag{display:inline-block;background:#f3e8fc;color:#581780;border-radius:6px;padding:2px 9px;font-size:16px;font-weight:bold}.moji-number{color:#6a1b9a;font-weight:700}.moji-question{padding:24px;border:3px solid #6a1b9a;border-radius:16px;background:#fff;font-size:1.18rem;margin:22px 0}.moji-math{font-size:1.25em;font-weight:700;overflow-wrap:anywhere}.moji-example{padding:20px 24px;border-left:6px solid #6a1b9a;background:#f5edfb;margin:24px 0}.moji-note{border:2px solid #d08000;border-radius:12px;padding:16px 20px;background:#fff9e5}.moji-step{padding-left:25px}.moji-step li{padding:7px 0}.moji-disclosure{border:2px solid #161616;border-radius:12px;background:#fff;margin:18px 0;padding:0 20px}.moji-disclosure>summary{font-weight:700;padding:14px 0;min-height:52px}.moji-disclosure[open]{padding-bottom:16px}.moji-answer{border-left:5px solid #6a1b9a;background:#f5edfb;padding:12px 18px}.moji-work label{font-weight:bold;display:block}.moji-work textarea{width:100%;min-height:110px;border:2px solid #777;border-radius:10px;padding:12px;background:#fff}.moji-reflection{margin:24px 0;border-top:2px dashed #777;padding-top:16px}.moji-feedback{min-height:1.85em;font-weight:700;color:#581780}.moji-state button[aria-pressed=true]{background:#f3e8fc;border:3px solid #6a1b9a}.moji-next{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:32px}.moji-demo{padding:20px;border:2px solid #6a1b9a;border-radius:14px;background:#fff}.moji-demo label{display:block;font-weight:bold}.moji-demo input{width:100%;max-width:420px;min-height:44px}.moji-demo svg{display:block;width:100%;height:auto;max-width:540px;margin:16px auto}.moji-demo output{font-weight:700;color:#581780}.moji-table{border-collapse:collapse;width:100%;margin:20px 0}.moji-table th,.moji-table td{border:1px solid #777;padding:12px;text-align:left;vertical-align:top}.moji-table th{background:#f3e8fc}.moji-progress{width:100%;height:14px;accent-color:#6a1b9a}.moji-checklist{padding-left:24px}.moji-checklist li{margin:10px 0}.skip-link{position:absolute;left:8px;top:-100px;background:white;padding:10px;z-index:100}.skip-link:focus{top:8px}
@media(max-width:600px){.main{padding:20px 16px 48px}.moji-hero{padding:20px}.moji-grid{grid-template-columns:1fr}.moji-bubble{gap:12px}.moji-bubble img{width:64px;height:64px}.moji-question{padding:18px}.moji-table{font-size:16px}.moji-table th,.moji-table td{padding:8px}.moji-actions .moji-btn{flex:1 1 auto}.moji-math{font-size:1.1em}.moji-disclosure{padding-left:14px;padding-right:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{.breadcrumb,.moji-actions,.moji-work,.moji-state,.moji-next,.skip-link{display:none!important}body{background:white;color:black;font-size:12pt}.main{max-width:none;padding:0}.moji-card,.moji-question,details{break-inside:avoid;box-shadow:none}.moji-hero{box-shadow:none}.moji-grid{display:block}.moji-card{margin:12px 0}details:not([open])>*:not(summary){display:none}a{color:black}}

.moji-page .breadcrumb{max-width:1020px;margin:14px auto 0;padding:0 24px;font-size:16px}.moji-page .breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.moji-page .breadcrumb li+li::before{content:" / ";margin-right:8px;color:#666}.moji-frac{display:inline-flex;flex-direction:column;align-items:stretch;text-align:center;vertical-align:middle;font-size:1em;line-height:1.35;margin:0 .15em}.moji-frac>span:first-child{border-bottom:1.5px solid currentColor;padding:0 .16em}.moji-frac>span:last-child{padding:0 .16em}