:root{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;color:#253e36;background:#f5f5ef;font-synthesis:none;line-height:1.7;--green:#245f50;--muted:#65756c}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.brand{max-width:720px;margin:auto;padding:26px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfe4dc}.brand a{display:flex;align-items:center;gap:12px;font-size:23px;letter-spacing:.12em;font-weight:700}.brand small{display:block;font-size:9px;letter-spacing:.2em;line-height:1.3}.brand-mark{background:var(--green);color:white;display:grid;place-items:center;width:44px;height:44px;border-radius:14px;font-size:24px}.badge{font-size:11px;border:1px solid #d1dbd1;border-radius:20px;padding:4px 12px}main{max-width:608px;padding:0 20px;margin:0 auto}.intro{padding:38px 3px 20px}.eyebrow{font-size:12px;color:var(--green);font-weight:600;letter-spacing:.08em}h1{font-size:30px;letter-spacing:.035em;margin:10px 0 12px;line-height:1.4}.intro>p:last-child{color:var(--muted);font-size:14px;margin-bottom:4px}.student{font-size:14px;margin:16px 2px 20px}.student strong{margin-right:4px}.dot{display:inline-block;width:7px;height:7px;background:#59957a;border-radius:50%;margin-right:9px}.card{background:#fff;border:1px solid #e0e5dc;border-radius:20px;padding:24px;margin:18px 0;box-shadow:0 3px 12px #1b352704}.section-title{display:flex;align-items:center;gap:10px;margin-bottom:22px}.step{font-size:12px;background:#eaf1e9;color:var(--green);border-radius:50%;width:26px;height:26px;display:grid;place-items:center}h2{font-size:17px;margin:0;font-weight:650}fieldset{padding:0;border:0;margin:0 0 23px;min-width:0}legend,.field-label{font-size:13px;font-weight:600;display:block;margin-bottom:10px}.choices{display:flex;gap:8px}.choices label{flex:1;position:relative;cursor:pointer}.choices input{position:absolute;opacity:0;width:100%;height:100%;margin:0}.choices span{display:block;text-align:center;border:1px solid #dce3d9;border-radius:10px;font-size:13px;padding:11px 3px;transition:background .15s}.choices input:checked+span{background:#e9f2ea;border-color:#43826a;color:#205d48;font-weight:700}.choices input:focus-visible+span{outline:3px solid #b99a44;outline-offset:2px}input[type=text]{width:100%;padding:13px;border:1px solid #dce3d9;border-radius:10px;font-size:16px;background:#fdfefb;color:#253e36}.required,.optional{font-size:10px;font-weight:500;margin-left:8px;color:#7d6950;background:#f6f0e6;padding:2px 6px;border-radius:4px}.optional{color:#778074;background:#f0f2ed}.hint{font-size:13px;color:var(--muted);margin-top:-7px}.upload-group{border-top:1px solid #edf0e9;padding:18px 0 5px}.upload-group h3{font-size:14px;margin:0 0 12px}.upload-actions{display:flex;gap:8px}.secondary{padding:10px 14px;border:1px solid #d6e1d5;background:#f7faf4;color:var(--green);border-radius:10px;min-height:44px;font-size:13px;font-weight:600}.upload-actions button:first-child{flex:1}.upload-actions button:last-of-type{flex:1}.count{display:block;text-align:right;font-size:11px;color:var(--muted);margin-top:8px}.previews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.previews figure{margin:5px 0 8px;position:relative}.previews img{width:100%;height:110px;object-fit:contain;background:#f0f1ec;border-radius:8px}.remove{position:absolute;right:-5px;top:-8px;border:1px solid #dbe3d9;border-radius:50%;background:white;width:32px;height:32px;color:#36463b;font-size:22px;line-height:1}.previews figcaption{text-align:center;font-size:10px;color:var(--muted)}.limits{font-size:11px;color:var(--muted);background:#f5f6f1;border-radius:8px;padding:10px 12px;margin:13px 0 0}.submit-area{padding:0 2px 16px;text-align:center}.submit-area 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.hint{font-size:11px;overflow-wrap:anywhere}.success-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#e9f2ea;color:var(--green);margin:0 auto 15px;font-size:24px}footer{max-width:608px;margin:32px auto;padding:0 24px 24px;color:#798676;font-size:12px}footer span{float:right;font-size:10px}:focus-visible{outline:3px solid #b99a44;outline-offset:3px}@media(max-width:380px){main{padding:0 14px}.card{padding:20px 16px}.subjects{gap:5px}h1{font-size:27px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
#paste-invite .hint{margin-top:12px}#use-invite{margin-top:12px}