:root{--navy: #1a3a5c;--blue: #1a6fb3;--blue-light: #e8f2fb;--gold: #c4963a;--green: #2a7a5a;--green-light: #e8f5ef;--orange: #d46a1a;--orange-light: #fdf0e4;--gray: #f5f6f8;--text: #2c2c2c;--text-light: #666;--border: #e0e6ee}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans JP,sans-serif;color:var(--text);background:#f8f9fc;min-height:100vh}.calc-wrap{background:#f8f9fc}.calc-header{background:linear-gradient(135deg,var(--navy) 0%,#2a5a8c 100%);padding:48px 24px 40px;text-align:center;position:relative;overflow:hidden}.calc-header:before{content:"";position:absolute;top:-60px;right:-60px;width:240px;height:240px;border-radius:50%;background:#ffffff0a}.calc-header:after{content:"";position:absolute;bottom:-40px;left:-40px;width:180px;height:180px;border-radius:50%;background:#ffffff08}.calc-header img{display:block;margin:0 auto 20px;height:48px;width:auto;opacity:.85;filter:brightness(0) invert(1)}.calc-header h1{font-family:"Noto Serif JP",serif;font-size:clamp(20px,4vw,28px);font-weight:600;color:#fff;margin-bottom:10px;position:relative}.calc-header p{font-size:13px;color:#ffffffb8;line-height:1.8;position:relative}.calc-container{max-width:680px;margin:0 auto;padding:32px 16px 60px}.input-card{background:#fff;border-radius:16px;padding:28px 24px;box-shadow:0 2px 16px #1a3a5c14;margin-bottom:24px}.input-tabs{display:flex;background:var(--gray);border-radius:10px;padding:4px;margin-bottom:24px;gap:4px}.input-tab{flex:1;padding:10px;border:none;background:transparent;border-radius:7px;font-size:13px;font-family:Noto Sans JP,sans-serif;color:var(--text-light);cursor:pointer;transition:all .2s;font-weight:400}.input-tab.active{background:#fff;color:var(--navy);font-weight:500;box-shadow:0 1px 6px #0000001a}.input-section{display:none}.input-section.active{display:block}.input-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.input-group label{font-size:13px;font-weight:500;color:var(--navy)}.input-group input{padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;font-family:Noto Sans JP,sans-serif;color:var(--text);transition:border-color .2s;width:100%}.input-group input:focus{outline:none;border-color:var(--blue)}.week-inputs{display:flex;gap:12px;align-items:center}.week-input-wrap{display:flex;align-items:center;gap:6px;flex:1}.week-input-wrap input{width:70px;text-align:center;flex-shrink:0}.week-input-wrap span{font-size:13px;color:var(--text-light);white-space:nowrap}.calc-btn{width:100%;padding:14px;background:var(--blue);color:#fff;border:none;border-radius:10px;font-size:15px;font-family:Noto Sans JP,sans-serif;font-weight:500;cursor:pointer;transition:background .2s,transform .1s}.calc-btn:hover{background:#155a94}.calc-btn:active{transform:scale(.98)}.note-text{font-size:11px;color:var(--text-light);margin-top:12px;line-height:1.7;text-align:center}#result-area{display:none}#result-area.show{display:block}.result-header{text-align:center;margin-bottom:20px}.result-header .week-badge{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:13px;font-weight:500;padding:6px 16px;border-radius:20px;margin-bottom:8px}.result-header h2{font-family:"Noto Serif JP",serif;font-size:18px;color:var(--navy)}.exam-cards{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.exam-card{background:#fff;border-radius:14px;padding:20px;box-shadow:0 2px 12px #1a3a5c12;border-left:4px solid var(--border);position:relative;transition:transform .2s}.exam-card.available{border-left-color:var(--green);background:linear-gradient(to right,var(--green-light),#fff 40%)}.exam-card.soon{border-left-color:var(--gold);background:linear-gradient(to right,#fdf7ec,#fff 40%)}.exam-card.past{border-left-color:#ccc;opacity:.65}.exam-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px;gap:8px}.exam-name{font-size:15px;font-weight:500;color:var(--navy)}.exam-status{font-size:11px;font-weight:500;padding:3px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0}.status-now{background:var(--green);color:#fff}.status-soon{background:var(--gold);color:#fff}.status-future{background:var(--blue-light);color:var(--blue)}.status-past{background:#e5e5e5;color:#888}.exam-period{font-size:13px;color:var(--text-light);margin-bottom:6px;display:flex;align-items:center;gap:6px}.exam-period-dates{font-size:13px;color:var(--text);font-weight:500}.exam-price{font-size:13px;color:var(--text-light);margin-top:4px}.exam-price strong{color:var(--navy);font-weight:500}.days-badge{display:inline-block;font-size:11px;background:var(--blue-light);color:var(--blue);padding:2px 8px;border-radius:10px;margin-top:6px}.days-badge.urgent{background:#fdecea;color:#c0392b}.cal-open-btn{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:8px 16px;background:#f0f6fb;color:#2c4a6e;border:1px solid #c8dce8;border-radius:6px;font-size:12px;font-family:Noto Sans JP,sans-serif;cursor:pointer;transition:all .2s}.cal-open-btn:hover{background:#2c4a6e;color:#fff;border-color:#2c4a6e}#cal-popup-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:99999;align-items:center;justify-content:center;padding:16px}#cal-popup{background:#fff;border-radius:14px;padding:24px;max-width:560px;width:100%;max-height:85vh;overflow-y:auto;position:relative;box-shadow:0 8px 32px #0003}#cal-popup-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:22px;cursor:pointer;color:#888;line-height:1}#cal-popup-close:hover{color:#333}.cal-popup-title{font-family:"Noto Serif JP",serif;font-size:15px;font-weight:700;color:#2c4a6e;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e8f0f5;line-height:1.8}.cal-popup-months{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.cal-popup-month-title{text-align:center;font-size:13px;font-weight:500;color:#2c4a6e;margin-bottom:8px}.cal-popup-header{display:grid;grid-template-columns:repeat(7,1fr);margin-bottom:4px}.cpd-name{text-align:center;font-size:10px;color:#999;padding:3px 0}.cpd-name.sun{color:#e74c3c}.cpd-name.sat{color:#1a6fb3}.cal-popup-days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.cpd{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:11px;border-radius:4px;position:relative}.cpd.in-range{background:#dceefb;color:#1a3a5c;font-weight:500}.cpd.range-start{background:#2c4a6e;color:#fff;border-radius:50% 4px 4px 50%;font-weight:700}.cpd.range-end{background:#2c4a6e;color:#fff;border-radius:4px 50% 50% 4px;font-weight:700}.cpd.range-start.range-end{border-radius:50%}.cpd.today:not(.in-range) .cal-day-num{border:2px solid #2c4a6e;border-radius:50%}.cpd.sun:not(.in-range):not(.range-start):not(.range-end){color:#e74c3c}.cpd.sat:not(.in-range):not(.range-start):not(.range-end){color:#1a6fb3}.cal-day-num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px}@media(max-width:480px){.cal-popup-months{grid-template-columns:1fr}.calc-header{padding:36px 20px 32px}.input-card{padding:20px 16px}}