body {
font-family: 'Helvetica Neue', Arial, sans-serif;
line-height: 1.6;
color: #333;
margin: 0;
padding: 0;
background-color: #f8f9fa;
}
.container {
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.header {
text-align: center;
padding: 40px 20px;
background-color: #fff;
border-radius: 12px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
margin-bottom: 30px;
}
h1 {
color: #1a73e8;
font-size: 2.5rem;
margin-bottom: 10px;
}
.subtitle {
font-size: 1.2rem;
color: #5f6368;
margin-bottom: 20px;
}
.coupon-box {
background-color: #e8f0fe;
border: 2px dashed #1a73e8;
padding: 30px;
text-align: center;
border-radius: 8px;
margin: 30px 0;
}
.coupon-label {
display: block;
font-weight: bold;
margin-bottom: 10px;
color: #1a73e8;
}
.coupon-code {
font-size: 2rem;
font-weight: bold;
background: #fff;
padding: 10px 20px;
border-radius: 4px;
display: inline-block;
letter-spacing: 2px;
user-select: all; /* クリックで選択しやすくする */
}
.benefits {
background: #fff;
padding: 30px;
border-radius: 12px;
box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.benefits h2 {
border-bottom: 2px solid #1a73e8;
padding-bottom: 10px;
margin-bottom: 20px;
}
.btn {
display: inline-block;
background-color: #1a73e8;
color: white;
padding: 15px 30px;
text-decoration: none;
border-radius: 50px;
font-weight: bold;
font-size: 1.1rem;
transition: background-color 0.3s;
margin-top: 20px;
text-align: center;
}
.btn:hover {
background-color: #1557b0;
}
.note {
font-size: 0.85rem;
color: #666;
margin-top: 30px;
}
/* スマホ向け調整 */
@media (max-width: 600px) {
h1 { font-size: 1.8rem; }
.coupon-code { font-size: 1.5rem; }
}