* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: #f5f7fb;
    color: #1f2937;
    font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    line-height: 1.7;
}

body {
    min-height: 100vh;
}

.page {
    width: 100%;
}

.hero {
    background: linear-gradient(135deg, #1d4ed8, #0f172a);
    color: #ffffff;
    padding: 48px 20px;
}

.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.eyebrow {
    margin: 0 0 8px 0;
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.9;
}

.hero h1 {
    margin: 0 0 14px 0;
    font-size: 34px;
    line-height: 1.3;
}

.lead {
    margin: 0;
    max-width: 760px;
    font-size: 16px;
    opacity: 0.95;
}

.container {
    max-width: 1100px;
    margin: -24px auto 0 auto;
    padding: 0 20px 40px 20px;
}

.card {
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    padding: 28px;
    margin-bottom: 24px;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 24px;
    color: #0f172a;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 18px;
    color: #0f172a;
}

.guide-list {
    margin: 14px 0 0 18px;
    padding: 0;
}

.guide-list li {
    margin-bottom: 8px;
}

.site-form {
    margin-top: 12px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    font-weight: bold;
    margin-bottom: 8px;
    color: #111827;
}

.required {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    background: #fee2e2;
    color: #b91c1c;
    font-size: 12px;
    vertical-align: middle;
}

input[type="text"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #ffffff;
    font-size: 15px;
    color: #111827;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

textarea {
    resize: vertical;
    min-height: 110px;
}

.help {
    margin-top: 8px;
    font-size: 13px;
    color: #64748b;
}

.tips-box {
    margin-top: 24px;
    padding: 18px 20px;
    border-radius: 14px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.template-box {
    margin-top: 24px;
    padding: 20px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid #dbe3ef;
}

.template-box h3 {
    color: #1d4ed8;
}

.template-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.button-row {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.btn, .btn-link {
    border: none;
    border-radius: 10px;
    padding: 13px 22px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:hover, .btn-link:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

.btn.primary, .btn-blue {
    background: #2563eb;
    color: #ffffff;
}

.btn.secondary, .btn-gray {
    background: #e5e7eb;
    color: #111827;
}

.btn-green {
    background: #16a34a;
    color: #ffffff;
}

.footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
    color: #64748b;
    font-size: 13px;
}

@media (max-width: 768px) {
    .hero {
        padding: 34px 16px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .container {
        padding: 0 16px 28px 16px;
    }

    .card {
        padding: 22px 18px;
        border-radius: 16px;
    }

    .form-grid,
    .template-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .button-row {
        flex-direction: column;
    }

    .btn, .btn-link {
        width: 100%;
    }
}