:root{--color-background:#fffaf5;--color-surface:#fff;--color-primary:#c58bab;--color-primary-heavy:#ca3889;--color-primary-light:#f8e8f0;--color-secondary:#a99acb;--color-secondary-light:#ede7f8;--color-text:#514858;--color-text-muted:#827889;--color-border:#eee4eb;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--shadow-card:0 4px 14px #51485812;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px}*{box-sizing:border-box}body{background-color:var(--color-background);color:var(--color-text);margin:0;font-family:Noto Sans JP,Yu Gothic,Meiryo,sans-serif;font-size:16px;line-height:1.6}button{border-radius:var(--radius-md);font:inherit;cursor:pointer;border:1px solid #0000;padding:10px 18px;font-weight:500;transition:background-color .2s,box-shadow .2s,transform .2s}button:focus-visible{outline:3px solid var(--color-secondary);outline-offset:3px}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}input{font:inherit}a{color:inherit;text-decoration:none}h1,h2,p{margin-top:0}.site-header{padding:var(--space-lg) 5%;background-color:var(--color-primary-light)}.site-header h1{font-size:4rem}.site-title{margin-bottom:var(--space-sm);text-align:center;font-size:1.8rem}.site-nav{justify-content:center;gap:var(--space-lg);flex-wrap:wrap;display:flex}.site-nav a{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:background-color .2s}.site-nav a:hover{background-color:#ffffffb3}.main-content{width:min(100% - 32px,90%);margin:var(--space-xl) auto}.section,#countdown{margin-bottom:var(--space-xl);padding:var(--space-lg);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.section-title,#countdown h2{margin-bottom:var(--space-md);font-size:1.35rem}.site-footer{padding:var(--space-lg);color:var(--color-text-muted);text-align:center;font-size:.875rem}#selected-exams{gap:var(--space-xl);flex-direction:column;display:flex}#selected-exams .exam-selected{flex-direction:row;align-items:center;gap:2rem;width:100%;display:flex}#selected-exams .exam-selected .exam-selected-name,#selected-exams .exam-selected .exam-selected-date,#selected-exams .exam-selected .exam-remaining,#selected-exams .exam-selected .exam-today,#selected-exams .exam-selected .exam-finished{margin:0}#selected-exams .exam-selected .exam-selected-name{font-size:4rem;font-weight:600}#selected-exams .exam-selected .exam-selected-date{font-size:2rem}#selected-exams .exam-selected .exam-remaining,#selected-exams .exam-selected .exam-today,#selected-exams .exam-selected .exam-finished{white-space:nowrap;margin-left:auto;font-size:6rem;font-weight:700}#selected-exams .exam-selected .exam-remaining{color:var(--color-primary-heavy)}#selected-exams .exam-selected .exam-today{color:var(--color-secondary)}#selected-exams .exam-selected .exam-finished{color:var(--color-text-muted)}@media (width<=700px){#selected-exams{gap:var(--space-md);grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=450px){#selected-exams{grid-template-columns:1fr}}#register{background-color:#fff;border-radius:15px;padding:15px 5%}#register form{flex-direction:column;gap:8px;margin:auto 30px;display:flex}#register form input{box-sizing:border-box;width:100%}#register form button{align-self:center;width:80%}#toggle-register{width:100%;max-width:900px;margin:0 auto var(--space-lg);color:var(--color-text);background-color:var(--color-primary-light);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;padding:14px 20px;transition:background-color .2s;display:block}#toggle-register:hover{background-color:#f1dce8}#toggle-register:focus-visible{outline:3px solid var(--color-secondary);outline-offset:3px}#register[hidden]{display:none}.warning-message{color:#c62828;background-color:#ffebee;border-radius:8px;margin:8px 0;padding:10px 14px}