body { font-family: Arial, sans-serif; margin: 0; padding: 0; background-color: #f4f4f4; color: #333; } header { background-color: #333; color: #fff; padding: 20px; text-align: center; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); } main { padding: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; } .school { background-color: #fff; border-radius: 10px; padding: 20px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease, box-shadow 0.3s ease; border-left: 5px solid; } .school:hover { transform: translateY(-10px); box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); } .school h2 { margin-top: 0; border-bottom: 2px solid; padding-bottom: 10px; } #iwakura { border-left-color: #ff6347; } #iwakura h2 { border-bottom-color: #ff6347; } #showa { border-left-color: #4682b4; } #showa h2 { border-bottom-color: #4682b4; } #kawasaki { border-left-color: #32cd32; } #kawasaki h2 { border-bottom-color: #32cd32; } #tah { border-left-color: #8a2be2; } #tah h2 { border-bottom-color: #8a2be2; }

footer {
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 30px 15px;
    margin-top: 40px;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

footer h2 {
    margin-bottom: 15px;
    font-size: 1.4em;
    color: #ffcc00;
}

footer p {
    margin: 8px 0;
    font-size: 1em;
    line-height: 1.6;
}

footer a {
    text-decoration: none;
}

/* CSS */
#captcha-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f0f4f8, #d9e2ec);
    text-align: center;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#captcha-page h1 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

.captcha-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    gap: 20px;
}

#verifyBtn {
    background-color: #0078D4;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

#verifyBtn:hover {
    background-color: #005a9e;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

#captcha-error {
    color: #d93025;
    margin-top: 15px;
    display: none; /* JSで失敗時に表示 */
    font-weight: bold;
}