@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Serif+JP:wght@500;600;700&display=swap');
:root{--rose:#e07a96;--rose-dark:#c75b7a;--rose-soft:#f3c3d0;--pink-bg:#fdeef2;--cream:#fff8fa;--paper:#fff;--ink:#4a3a3d;--muted:#8d7a7f;--line:#f3e2e7;--shadow:0 10px 28px rgba(199,91,122,.09)}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans JP','Hiragino Sans','Yu Gothic',sans-serif;line-height:1.7}.site-header{min-height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:10px max(18px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:600}.brand img{height:34px;width:auto}.brand span{color:var(--muted);font-size:.85rem;padding-left:12px;border-left:1px solid var(--line)}.container{max-width:1180px;margin:auto;padding:24px 20px 50px}.hero{text-align:center;padding:26px 10px 22px}.eyebrow{color:var(--rose-dark);font-size:.72rem;letter-spacing:.18em;font-weight:700;margin:0}.hero h1,.form-card h1{font:600 clamp(1.5rem,4vw,2rem) 'Noto Serif JP',serif;margin:6px 0}.hero>p:last-child{color:var(--muted);margin:4px}.panel,.form-card,.stat,.lesson-card,.person-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.panel{padding:20px;margin:16px 0}.panel h2{font:600 1.15rem 'Noto Serif JP',serif;margin:0 0 14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.stat{padding:18px}.stat strong{display:block;font:600 1.8rem 'Noto Serif JP',serif}.stat span,.muted{color:var(--muted);font-size:.86rem}.nav{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.nav button,.small-btn,.tabs button{border:1px solid var(--line);border-radius:999px;background:#fff;padding:8px 13px;color:var(--ink);cursor:pointer;font:500 .9rem inherit}.nav button.active,.tabs button.active,.small-btn.primary,.btn{background:var(--rose);border-color:var(--rose);color:#fff}.btn{border:0;border-radius:999px;padding:11px 19px;font:600 .95rem inherit;cursor:pointer;box-shadow:0 6px 16px rgba(224,122,150,.25)}.btn.secondary,.small-btn{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}.btn.danger,.small-btn.danger{color:#a3424f;background:#fff;border:1px solid #eacbd1}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}.toolbar>*{max-width:100%}.field{margin:12px 0}.field label{display:block;font-weight:600;margin-bottom:5px}.field input,.field select,.field textarea,.toolbar input,.toolbar select{width:100%;border:1px solid #ecd6dc;border-radius:9px;padding:10px 11px;font:inherit;color:var(--ink);background:#fff}.field textarea{min-height:88px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--rose-soft);border-color:var(--rose)}.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;padding:10px 11px;border-bottom:1px solid var(--line);vertical-align:top}th{white-space:nowrap;background:#fff8fa;color:#765d64;font-weight:600}td .small-btn{margin:2px}.badge{display:inline-block;border-radius:99px;background:var(--pink-bg);color:var(--rose-dark);font-size:.75rem;font-weight:700;padding:3px 9px}.alert{padding:12px 14px;border-radius:10px;background:#fff5e8;color:#77562a;margin:8px 0}.message{padding:12px;border-radius:10px;background:var(--pink-bg);margin:10px 0}.error{background:#fff0f0;color:#a3424f}.empty{text-align:center;padding:36px 12px;color:var(--muted);border:1px dashed var(--line);border-radius:12px}.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.day{min-height:105px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px;font-size:.82rem;background:#fff}.day-head{background:#fff8fa;min-height:auto;font-weight:700;text-align:center}.day.today{background:#fff2f5}.day.outside{background:#faf8f8;color:#b3a5a9}.day-item{display:block;margin:4px 0;padding:4px 6px;border-radius:6px;background:var(--pink-bg);font-size:.72rem;line-height:1.4;overflow-wrap:anywhere}.lesson-card{padding:14px;margin:9px 0}.actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.modal-backdrop{position:fixed;inset:0;background:#291b1f80;display:flex;align-items:center;justify-content:center;padding:16px;z-index:30}.modal{background:#fff;border-radius:16px;padding:22px;width:min(700px,100%);max-height:90vh;overflow:auto;box-shadow:0 20px 60px #30131f40}.modal h2{margin:0 0 12px;font:600 1.3rem 'Noto Serif JP',serif}.link-btn{border:0;background:none;color:var(--rose-dark);text-decoration:underline;cursor:pointer;font:inherit;padding:0}footer{text-align:center;color:#b39aa1;font-size:.75rem;padding:22px}.login-box{max-width:500px;margin:12px auto}.login-box .btn{width:100%;margin-top:8px}.week-nav{display:flex;gap:8px;align-items:center}.week-nav strong{min-width:150px;text-align:center}@media(max-width:760px){.container{padding:14px 12px 36px}.site-header{padding:8px 12px;align-items:flex-start;gap:10px}.brand img{height:28px}.brand span{font-size:.72rem;padding-left:8px}.site-header{flex-wrap:wrap}.nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.nav button{white-space:nowrap;font-size:.82rem;padding:7px 10px}.grid{grid-template-columns:1fr 1fr}.panel{padding:15px}.field-row{grid-template-columns:1fr}.calendar{grid-template-columns:repeat(7,minmax(80px,1fr));overflow:auto}.day{min-height:83px;padding:4px;font-size:.72rem}.table-wrap{margin:0 -7px}.modal{padding:17px}.toolbar>*{flex:1 1 120px}}@media(max-width:400px){.grid{grid-template-columns:1fr}.brand span{display:none}}