:root {
    --line-green: #06C755;
    --line-green-hover: #05A044;
    --dark-bg: #111111;
    --text-main: #333333;
    --text-sub: #666666;
    --bg-white: #ffffff;
    --bg-gray: #f5f7f8;
    --border-color: #e5e8ea;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif; }
body { background: var(--bg-white); color: var(--text-main); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* 1. Header Navigation */
header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 70px; display: flex; justify-content: space-between; align-items: center; }
.logo-area { display: flex; align-items: center; gap: 8px; font-size: 24px; font-weight: 900; color: var(--line-green); }
.logo-area span { font-size: 13px; color: var(--text-sub); border-left: 1px solid #ccc; padding-left: 8px; font-weight: bold; }
.nav-menu { display: flex; gap: 24px; align-items: center; }
.nav-menu a { font-size: 14px; font-weight: bold; color: var(--text-main); transition: 0.2s; }
.nav-menu a:hover { color: var(--line-green); }
.nav-dl-btn { background: var(--dark-bg); color: var(--bg-white) !important; padding: 8px 16px; border-radius: 20px; }
.nav-dl-btn:hover { background: #333; }

/* 2. Main Visual (First View Emphasizing Official Download) */
.fv-section { background: linear-gradient(180deg, #F0FDF4 0%, #FFFFFF 100%); padding: 60px 20px 80px; text-align: center; border-bottom: 1px solid var(--border-color); }
.fv-container { max-width: 900px; margin: 0 auto; }
.official-badge { display: inline-flex; align-items: center; background: #E6F8ED; color: var(--line-green); padding: 6px 16px; border-radius: 30px; font-size: 14px; font-weight: bold; margin-bottom: 24px; border: 1px solid var(--line-green); }
.official-badge::before { content: '✓'; margin-right: 6px; }
.fv-section h2 { font-size: 42px; font-weight: 900; color: var(--dark-bg); margin-bottom: 20px; line-height: 1.3; }
.fv-section p { font-size: 16px; color: var(--text-sub); margin-bottom: 40px; line-height: 1.8; }
.dl-cta-box { background: var(--bg-white); border: 2px solid var(--line-green); padding: 40px; border-radius: 16px; box-shadow: 0 10px 30px rgba(6, 199, 85, 0.15); margin-bottom: 50px; display: inline-block; width: 100%; max-width: 600px; }
.dl-cta-btn { display: block; background: var(--line-green); color: var(--bg-white); font-size: 22px; font-weight: bold; padding: 20px 0; border-radius: 8px; box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3); transition: 0.3s; margin-bottom: 15px; }
.dl-cta-btn:hover { background: var(--line-green-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4); }
.dl-info { font-size: 13px; color: var(--text-sub); font-weight: bold; }
.fv-image { border-radius: 12px; overflow: hidden; box-shadow: 0 15px 40px rgba(0,0,0,0.1); margin: 0 auto; border: 1px solid var(--border-color); }

/* 3. Category Navigation */
.section-wrapper { max-width: 1200px; margin: 80px auto; padding: 0 20px; }
.sec-title { font-size: 26px; text-align: center; margin-bottom: 40px; font-weight: bold; color: var(--dark-bg); }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.cat-card { background: var(--bg-white); border: 1px solid var(--border-color); border-radius: 12px; padding: 25px 20px; text-align: center; transition: 0.3s; box-shadow: 0 2px 8px rgba(0,0,0,0.02); }
.cat-card:hover { border-color: var(--line-green); box-shadow: 0 8px 24px rgba(6,199,85,0.08); transform: translateY(-3px); }
.cat-card h3 { font-size: 18px; color: var(--dark-bg); margin-bottom: 10px; font-weight: bold; }
.cat-card p { font-size: 13px; color: var(--text-sub); }

/* 4. Announcement Area */
.notice-board { max-width: 900px; margin: 0 auto 80px; background: var(--bg-white); border: 1px solid var(--border-color); border-radius: 12px; padding: 35px; }
.notice-board h2 { font-size: 20px; border-bottom: 2px solid var(--dark-bg); padding-bottom: 12px; margin-bottom: 20px; }
.notice-list { display: flex; flex-direction: column; }
.notice-item { display: flex; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--bg-gray); gap: 16px; }
.notice-item:last-child { border-bottom: none; }
.n-date { font-size: 14px; color: var(--text-sub); font-family: monospace; }
.n-tag { background: var(--line-green); color: var(--bg-white); font-size: 11px; padding: 4px 10px; border-radius: 4px; font-weight: bold; }
.n-title { font-size: 15px; font-weight: 500; transition: 0.2s; }
.notice-item:hover .n-title { color: var(--line-green); }

/* 5. Features / Columns Area */
.col-bg { background: var(--bg-gray); padding: 80px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.col-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 35px; }
.col-item { background: var(--bg-white); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-color); transition: 0.3s; }
.col-item:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.06); transform: translateY(-5px); }
.col-img { height: 200px; }
.col-img img { width: 100%; height: 100%; object-fit: cover; }
.col-text { padding: 25px; }
.col-text h4 { font-size: 18px; margin-bottom: 12px; color: var(--dark-bg); }
.col-text p { font-size: 14px; color: var(--text-sub); line-height: 1.6; }

/* 6. Help Center & 7. Official Account */
.support-sns-wrap { display: flex; gap: 30px; flex-wrap: wrap; margin: 80px 0; }
.ss-box { flex: 1; min-width: 320px; background: var(--bg-white); border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; text-align: center; }
.ss-box.help { border-top: 4px solid var(--line-green); }
.ss-box.sns { border-top: 4px solid var(--dark-bg); }
.ss-box h3 { font-size: 22px; margin-bottom: 16px; font-weight: 800; }
.ss-box p { font-size: 14px; color: var(--text-sub); margin-bottom: 24px; }
.btn-outline { display: inline-block; padding: 12px 30px; border: 2px solid var(--border-color); border-radius: 30px; font-weight: bold; font-size: 14px; transition: 0.3s; }
.btn-outline:hover { border-color: var(--line-green); color: var(--line-green); background: #F0FDF4; }
.sns-links { display: flex; justify-content: center; gap: 12px; }
.sns-tag { background: var(--bg-gray); padding: 10px 20px; border-radius: 8px; font-size: 13px; font-weight: bold; border: 1px solid var(--border-color); transition: 0.2s; }
.sns-tag:hover { background: var(--border-color); }

/* 8. Footer */
footer { background: var(--dark-bg); color: #A0A0A0; padding: 60px 20px 30px; }
.foot-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 50px; }
.foot-col h4 { font-size: 15px; color: var(--bg-white); margin-bottom: 20px; }
.foot-col ul { list-style: none; }
.foot-col ul li { margin-bottom: 12px; }
.foot-col ul li a { font-size: 14px; transition: color 0.3s; }
.foot-col ul li a:hover { color: var(--bg-white); text-decoration: underline; }
.foot-bottom { max-width: 1200px; margin: 0 auto; border-top: 1px solid #333; padding-top: 25px; text-align: center; font-size: 13px; }

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