:root{--aqua:#55aeb7;--sky:#46a8b2;--pale:#eaf4f5;--ink:#172735;--muted:#647481;--line:#d5e2e5;--red:#ee3838;--shadow:0 8px 25px rgba(48,84,91,.08)}*{box-sizing:border-box}body{margin:0;font-family:"Yu Gothic UI","Noto Sans JP",sans-serif;color:var(--ink);background:#f5f7f7}a{color:inherit;text-decoration:none}header{height:72px;padding:0 30px;display:flex;align-items:center;gap:22px;color:var(--ink);background:#fff;border-top:7px solid #9bcfd2;box-shadow:0 1px 0 var(--line);font-size:20px}header strong{font-size:24px}.menu{background:none;border:0;color:var(--aqua);font-size:28px}.header-right{margin-left:auto;font-size:14px}.header-right a{padding-left:10px}.shell{display:grid;grid-template-columns:245px minmax(650px,1fr) 300px;min-height:calc(100vh - 72px)}aside{background:#fff;border-right:1px solid var(--line);padding:24px 16px}nav{display:flex;flex-direction:column;gap:7px}nav a{padding:14px 16px;border-radius:6px;color:#3e5361;font-weight:600}nav a span{margin-left:12px}nav a.active{background:#dceff0;border-left:4px solid var(--aqua);color:#173d43}nav hr{width:100%;border:0;border-top:1px solid var(--line)}.future{font-size:12px;color:#91a0a9;padding:0 16px}.disabled{opacity:.45}main{padding:28px;max-width:1120px;width:100%;margin:0 auto}.right{border-left:1px solid var(--line);border-right:0;background:#f5f7f7}.title-row{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}h1{margin:2px 0;font-size:32px}h2{margin:0 0 18px}h3{margin-top:0}.eyebrow{color:var(--aqua);font-size:12px;letter-spacing:.16em;margin:0}.card{background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:var(--shadow);padding:20px;margin-bottom:18px}.primary{border:0;border-radius:5px;background:var(--aqua);color:#fff;padding:12px 19px;font-weight:700;cursor:pointer}.primary:hover{background:#449ba4}.button{display:inline-block}.secondary{border:1px solid #cbdadd;background:white;border-radius:5px;padding:10px 16px}.filters{display:flex;justify-content:space-between;color:var(--muted);padding-bottom:14px}.table{border-top:1px solid var(--line)}.tr{display:grid;grid-template-columns:90px 2fr 1.2fr 1fr 24px;gap:12px;align-items:center;padding:13px 12px;border-bottom:1px solid var(--line);font-size:14px}.tr:hover,.tr.selected{background:var(--pale)}.th{color:var(--muted);font-size:12px}.tr small{display:block;color:var(--muted);margin-top:5px}.badge{display:inline-block;color:white;background:var(--red);border-radius:4px;padding:4px 10px;font-size:12px}.detail-head,.detail-head>div{display:flex;align-items:center;gap:14px}.detail-head{justify-content:space-between}.detail h2{margin:0}.detail dl{display:grid;grid-template-columns:90px 1fr;max-width:650px;padding:15px 0;border-bottom:1px solid var(--line)}dt{font-weight:700}dd{margin:0}.body-text{line-height:1.9;padding:18px 0}.attachment{color:#348f98;font-weight:700}.delete{text-align:right}.delete button{border:0;background:none;color:#d73535;cursor:pointer}.right ul{padding-left:20px;line-height:2}.notice p{color:var(--muted);line-height:1.7}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}label{display:flex;flex-direction:column;gap:7px;font-weight:700;margin-bottom:14px}input,select,textarea{width:100%;padding:11px;border:1px solid #cbdadd;border-radius:5px;background:#fff;font:inherit}.check{flex-direction:row;align-items:center}.check input{width:auto}.actions{display:flex;justify-content:flex-end;gap:10px}.success,.alert{padding:12px;border-radius:5px}.success{background:#e4f4ef;color:#176c4c}.alert{background:#fff0f0;color:#a62020}.empty{text-align:center;padding:50px 10px;color:var(--muted)}.auth-bg{min-height:100vh;display:grid;place-items:center;background:#f1f5f5}.auth-card{width:min(440px,92vw);background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:36px}.auth-card h1{font-size:24px}.brand-mark{width:54px;height:54px;border-radius:7px;display:grid;place-items:center;background:var(--aqua);color:#fff;font-size:20px;font-weight:800}@media(max-width:1100px){.shell{grid-template-columns:210px 1fr}.right{display:none}}@media(max-width:760px){header{height:62px;padding:0 15px}header strong{font-size:17px}.header-right span{display:none}.shell{display:block}aside{display:none}main{padding:18px}.title-row{align-items:center}.tr{grid-template-columns:60px 1fr 24px}.tr span:nth-child(3),.tr span:nth-child(4),.th{display:none}.grid{grid-template-columns:1fr}}
.mail-department-choices{border:1px solid #cbdde1;border-radius:8px;padding:12px 14px;margin:12px 0;display:flex;flex-wrap:wrap;gap:8px 18px}.mail-department-choices legend{font-weight:700;padding:0 6px}.mail-department-choices .check{display:inline-flex;align-items:center;gap:4px;margin:0}.mail-department-choices input{width:auto}
.recipient-choice{width:auto!important;flex:0 0 auto}.recipient-tools{margin-top:10px;padding:12px;background:#f4fafb;border:1px solid #cbdde1;border-radius:8px}.recipient-tools button{margin:0 6px 10px 0}.recipient-tools label{display:block}.recipient-tools textarea{width:100%;margin-top:6px}