:root {
    --corp-blue: #1C2833;
    --corp-blue-light: #2C3E50;
    --line-green: #00B900;
    --line-green-hover: #009900;
    --text-main: #333333;
    --text-sub: #666666;
    --bg-white: #ffffff;
    --bg-gray: #f4f6f7;
    --border-light: #e0e0e0;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; }
body { background-color: var(--bg-white); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; }

/* 1. Header & Navigation (Fixed Login Button) */
header { 
    background: var(--bg-white); 
    border-bottom: 1px solid var(--border-light); 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}
.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 24px; font-weight: 900; color: var(--corp-blue); letter-spacing: -1px; }
.logo-text { font-size: 13px; color: var(--text-sub); border-left: 1px solid #ccc; padding-left: 10px; }

.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a.menu-item { font-size: 14px; font-weight: 500; color: var(--text-main); transition: color 0.2s; }
.nav-links a.menu-item:hover { color: var(--line-green); }

.login-btn-fixed {
    background: var(--corp-blue);
    color: #fff !important;
    font-size: 14px;
    font-weight: bold;
    padding: 10px 24px;
    border-radius: 4px;
    transition: background 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.login-btn-fixed:hover { background: var(--corp-blue-light); }

/* 2. Main Visual Slider */
.hero-slider { background: var(--bg-gray); border-bottom: 1px solid var(--border-light); }
.hero-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; padding: 60px 24px; gap: 40px; }
.hero-text { flex: 1; }
.hero-tag { display: inline-block; background: var(--line-green); color: #fff; font-size: 12px; font-weight: bold; padding: 4px 12px; border-radius: 20px; margin-bottom: 16px; }
.hero-text h2 { font-size: 36px; font-weight: bold; color: var(--corp-blue); margin-bottom: 20px; line-height: 1.3; }
.hero-text p { font-size: 16px; color: var(--text-sub); margin-bottom: 30px; }
.hero-image { flex: 1; text-align: right; }
.hero-image img { max-width: 100%; border-radius: 8px; box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.hero-actions { display: flex; gap: 16px; }
.btn-primary { background: var(--line-green); color: #fff; padding: 14px 30px; border-radius: 4px; font-weight: bold; font-size: 16px; transition: 0.2s; text-align: center;}
.btn-primary:hover { background: var(--line-green-hover); }
.btn-secondary { background: #fff; color: var(--corp-blue); border: 1px solid var(--corp-blue); padding: 14px 30px; border-radius: 4px; font-weight: bold; font-size: 16px; transition: 0.2s; text-align: center; }
.btn-secondary:hover { background: var(--bg-gray); }

/* 3. Category Navigation */
.content-section { max-width: 1200px; margin: 80px auto; padding: 0 24px; }
.section-heading { font-size: 28px; color: var(--corp-blue); text-align: center; margin-bottom: 40px; font-weight: bold; }
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.cat-card { background: #fff; border: 1px solid var(--border-light); padding: 30px 24px; border-radius: 8px; text-align: center; transition: all 0.3s; }
.cat-card:hover { border-color: var(--line-green); box-shadow: 0 10px 20px rgba(0,0,0,0.05); transform: translateY(-5px); }
.cat-card h3 { font-size: 18px; color: var(--corp-blue); margin-bottom: 12px; }
.cat-card p { font-size: 13px; color: var(--text-sub); }

/* 4. Announcement Area */
.news-area { background: #fff; border: 1px solid var(--border-light); border-radius: 8px; padding: 30px; max-width: 900px; margin: 0 auto 80px; }
.news-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; border-bottom: 2px solid var(--corp-blue); padding-bottom: 10px; }
.news-header h2 { font-size: 20px; color: var(--corp-blue); }
.news-list { display: flex; flex-direction: column; }
.news-row { display: flex; padding: 16px 0; border-bottom: 1px dashed var(--border-light); align-items: center; }
.news-row:last-child { border-bottom: none; padding-bottom: 0; }
.news-date { font-size: 14px; color: var(--text-sub); width: 110px; }
.news-badge { font-size: 11px; padding: 3px 8px; border-radius: 3px; margin-right: 15px; font-weight: bold; }
.badge-info { background: #EBF5FB; color: #2980B9; }
.badge-alert { background: #FDEDEC; color: #C0392B; }
.news-title { font-size: 15px; color: var(--text-main); transition: color 0.2s; }
.news-row:hover .news-title { color: var(--line-green); }

/* 5. Features / Columns Area */
.columns-bg { background: var(--bg-gray); padding: 80px 0; margin-bottom: 80px; }
.columns-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.col-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.05); display: flex; flex-direction: column; }
.col-thumb { height: 180px; overflow: hidden; }
.col-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.col-card:hover .col-thumb img { transform: scale(1.08); }
.col-desc { padding: 24px; }
.col-desc h4 { font-size: 18px; color: var(--corp-blue); margin-bottom: 12px; }
.col-desc p { font-size: 14px; color: var(--text-sub); line-height: 1.6; }

/* 6. Help Center & 7. Official Account */
.support-container { max-width: 1200px; margin: 0 auto 80px; padding: 0 24px; display: flex; gap: 30px; flex-wrap: wrap; }
.support-card { flex: 1; min-width: 300px; background: #fff; border: 1px solid var(--border-light); border-radius: 8px; padding: 40px; text-align: center; }
.support-card.help-bg { background: #F4F6F7; border-top: 4px solid var(--corp-blue); }
.support-card h3 { font-size: 22px; color: var(--corp-blue); margin-bottom: 15px; }
.support-card p { font-size: 14px; color: var(--text-sub); margin-bottom: 25px; }
.sns-links { display: flex; justify-content: center; gap: 15px; }
.sns-item { display: inline-block; padding: 8px 16px; border: 1px solid #ccc; border-radius: 4px; font-size: 13px; font-weight: bold; color: var(--text-sub); transition: 0.2s; }
.sns-item:hover { background: var(--bg-gray); color: var(--corp-blue); border-color: var(--corp-blue); }

/* 8. Footer */
footer { background: var(--corp-blue); color: #fff; padding: 60px 0 20px; }
.footer-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h4 { font-size: 15px; color: #BDC3C7; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: #ECF0F1; font-size: 13px; text-decoration: none; opacity: 0.8; transition: opacity 0.2s; }
.footer-col ul li a:hover { opacity: 1; text-decoration: underline; }
.footer-bottom { border-top: 1px solid #34495E; padding-top: 20px; text-align: center; font-size: 12px; color: #95A5A6; }

img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}