.student-history-launch{position:fixed;right:max(16px,env(safe-area-inset-right));top:max(14px,env(safe-area-inset-top));z-index:15;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #cfe0ff;border-radius:50%;background:#fff;color:#0b57e3;box-shadow:0 4px 16px rgba(24,76,160,.12);cursor:pointer}.student-history-launch:hover{background:#eef5ff}.student-history-launch:active{background:#cfe0ff}.student-history-launch svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.student-records-notice{position:fixed;bottom:max(12px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:12;width:min(90%,440px);padding:10px 14px;border-radius:12px;background:#0a1c32;color:#e4edf7;text-align:center;font-size:12px}.student-records-notice a{display:block;color:#a7d6ff;min-height:32px;padding:8px}.student-history{width:min(94vw,580px);max-height:88dvh;overflow:auto;border:1px solid #294260;border-radius:24px;padding:28px;background:#071322;color:#e9f1ff;font-family:'Noto Sans JP',sans-serif}.student-history::backdrop{background:#000a;backdrop-filter:blur(5px)}.history-close{float:right;min-height:44px;padding:8px 14px;border:1px solid #536a84;border-radius:12px;background:transparent;color:inherit}.history-eyebrow{color:#9bb5d3;font-size:10px;letter-spacing:.2em}.student-history h2{font-size:24px;margin:20px 0 28px}.student-history h3{font-size:17px;margin-top:30px}.history-counts{display:grid;grid-template-columns:1fr 1fr;gap:12px}.history-counts>div{border:1px solid #28435f;border-radius:16px;padding:16px}.history-counts span{display:block;font-size:12px;color:#b3c4d7}.history-counts strong{display:block;font-size:28px;margin-top:8px}.history-note{font-size:12px;color:#a4b5c9;line-height:1.8}.history-chart{background:#0b1e32;border-radius:16px}.history-chart svg{display:block;width:100%}.history-chart polyline{fill:none;stroke:#69baff;stroke-width:2}.history-chart circle{fill:#b5ddff}.history-result{border-bottom:1px solid #29405b;padding:16px 0}.history-result summary{cursor:pointer;display:flex;gap:12px;align-items:center;justify-content:space-between;min-height:44px;font-size:12px}.history-result strong{font-size:17px;white-space:nowrap}.history-result dl{display:grid;grid-template-columns:1fr auto;font-size:13px;gap:10px}.history-result dd{margin:0}.history-primary{display:block;background:#2264a3;color:white;text-align:center;padding:16px;border-radius:12px;text-decoration:none;margin:20px 0}.student-history :focus-visible,.student-history-launch:focus-visible{outline:3px solid #a8d4ff;outline-offset:4px}
.history-attendance{margin:24px 0;padding:16px 0;border-top:1px solid #29405b;border-bottom:1px solid #29405b}.history-attendance summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:700}.history-attendance summary::after{content:'＋';margin-left:auto}.history-attendance[open] summary::after{content:'−'}.history-attendance ul{list-style:none;padding:0;margin:8px 0;max-height:280px;overflow:auto}.history-attendance li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid #29405b}.history-attendance p{line-height:1.8;color:#a4b5c9}.history-attendance summary:focus-visible{outline:2px solid #a8d4ff;outline-offset:4px}