
:root {
    --line-green: #06C755;
    --line-green-dark: #05a044;
    --text-main: #111111;
    --text-sub: #555555;
    --bg-main: #ffffff;
    --bg-light: #f5f6f6;
    --border-color: #e5e5e5;
    --help-blue: #0056b3;
    --help-bg: #eaf2ff;
}

* { 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-main); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; }

/* 1. Header Navigation */
header { background: var(--bg-main); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.header-container { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; height: 70px; padding: 0 20px; }
.logo-area { font-size: 24px; font-weight: bold; color: var(--line-green); display: flex; align-items: center; gap: 8px; }
.logo-area span { color: var(--text-main); font-size: 16px; border-left: 2px solid var(--border-color); padding-left: 8px; margin-left: 8px; font-weight: normal; }
.nav-links { display: flex; gap: 24px; font-size: 14px; font-weight: 500; }
.nav-links a { padding: 8px 12px; border-radius: 4px; transition: background 0.2s; }
.nav-links a:hover { background: var(--bg-light); color: var(--line-green); }

/* 2. Main Visual Slider */
.slider-area { max-width: 1100px; margin: 30px auto; padding: 0 20px; position: relative; }
.slider-content { display: flex; align-items: center; background: var(--bg-light); border-radius: 12px; overflow: hidden; padding: 40px; justify-content: space-between; gap: 30px;}
.slider-text { flex: 1; }
.slider-text h2 { font-size: 32px; margin-bottom: 16px; color: var(--text-main); line-height: 1.4; }
.slider-text p { font-size: 16px; color: var(--text-sub); margin-bottom: 24px; }
.slider-btn { display: inline-block; background: var(--line-green); color: #fff; padding: 14px 32px; font-weight: bold; border-radius: 50px; font-size: 16px; transition: 0.2s; }
.slider-btn:hover { background: var(--line-green-dark); }
.slider-image { flex: 1; max-width: 50%; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.slider-image img { width: 100%; display: block; object-fit: cover; }

/* 3. Category Navigation */
.section-title { font-size: 24px; font-weight: bold; text-align: center; margin: 50px 0 30px; position: relative; }
.section-title::after { content: ''; display: block; width: 40px; height: 4px; background: var(--line-green); margin: 12px auto 0; border-radius: 2px; }
.category-grid { max-width: 1100px; margin: 0 auto 50px; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.category-card { border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; text-align: center; background: #fff; transition: 0.3s; display: block; }
.category-card:hover { border-color: var(--line-green); transform: translateY(-3px); box-shadow: 0 8px 16px rgba(0,0,0,0.05); }
.category-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--text-main); }
.category-card p { font-size: 12px; color: var(--text-sub); }

/* 4. Announcement Area */
.announcement-area { max-width: 800px; margin: 0 auto 50px; padding: 0 20px; }
.news-list { border-top: 1px solid var(--border-color); }
.news-item { display: flex; padding: 16px 0; border-bottom: 1px solid var(--border-color); align-items: center; gap: 20px; transition: 0.2s; }
.news-item:hover { background-color: var(--bg-light); padding-left: 10px; }
.news-date { font-size: 14px; color: var(--text-sub); min-width: 100px; }
.news-tag { background: #ff4d4f; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; font-weight: bold; }
.news-title { font-size: 15px; font-weight: 500; }

/* 5. Features / Columns Area */
.columns-area { background: var(--bg-light); padding: 50px 0; margin-bottom: 50px; }
.columns-grid { max-width: 1100px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.column-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.03); display: flex; flex-direction: column; }
.column-img { height: 180px; overflow: hidden; }
.column-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.3s; }
.column-card:hover .column-img img { transform: scale(1.05); }
.column-content { padding: 20px; }
.column-content h4 { font-size: 16px; margin-bottom: 10px; }
.column-content p { font-size: 13px; color: var(--text-sub); }

/* 6. Help Center Link */
.help-center-area { max-width: 900px; margin: 0 auto 50px; padding: 0 20px; }
.help-banner { background: var(--help-bg); border-left: 6px solid var(--help-blue); padding: 30px; border-radius: 0 8px 8px 0; display: flex; align-items: center; justify-content: space-between; }
.help-text h3 { font-size: 20px; color: var(--help-blue); margin-bottom: 8px; }
.help-text p { font-size: 14px; color: var(--text-sub); }
.help-btn { background: var(--help-blue); color: #fff; padding: 10px 24px; border-radius: 4px; font-weight: bold; font-size: 14px; }

/* 7. Official Account Link */
.sns-area { max-width: 1100px; margin: 0 auto 60px; padding: 0 20px; text-align: center; }
.sns-container { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.sns-btn { display: inline-flex; align-items: center; justify-content: center; width: 200px; height: 50px; border: 1px solid var(--border-color); border-radius: 25px; font-weight: bold; font-size: 14px; transition: 0.2s; }
.sns-btn:hover { background: var(--bg-light); border-color: var(--text-sub); }

/* 8. Footer */
footer { background: #222; color: #ccc; padding: 50px 20px 20px; }
.footer-nav { max-width: 1100px; margin: 0 auto 40px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom { max-width: 1100px; margin: 0 auto; border-top: 1px solid #444; padding-top: 20px; display: flex; justify-content: space-between; font-size: 12px; }

img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}
