:root {
  color-scheme: dark;
  --bg: #0e1117;
  --panel: #171c25;
  --line: #293241;
  --text: #edf1f7;
  --muted: #96a2b5;
  --accent: #4ed7c4;
  --main: #ef5848;
  --bonus: #f4bf4f;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Noto Sans JP", sans-serif; }
.site-header, main, footer { width: min(1120px, calc(100% - 40px)); margin: auto; }
.site-header { min-height: 102px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: block; height: 70px; text-decoration: none; }
.brand img { display: block; height: 100%; width: auto; }
.site-header p, #api-status { margin: 0; color: var(--muted); font-size: .85rem; }
main { padding: 76px 0; }
.hero { max-width: 760px; margin-bottom: 72px; }
.eyebrow { color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .13em; margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -.045em; line-height: 1.2; margin: 0; }
h2 { margin: 0; font-size: 1.45rem; }
.lead { color: var(--muted); font-size: 1.03rem; line-height: 1.9; margin: 25px 0 0; }
.button { display: inline-block; margin-top: 18px; padding: 10px 14px; border: 1px solid var(--accent); border-radius: 7px; color: var(--accent); font-weight: 700; text-decoration: none; }
.button:hover { background: #153a3a; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.lottery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lottery-card { min-height: 250px; padding: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.lottery-card h3 { margin: 0; font-size: 1.35rem; }
.rule, .meta { color: var(--muted); font-size: .85rem; line-height: 1.6; }
.meta { margin-top: 34px; }
.numbers { display: flex; gap: 7px; flex-wrap: wrap; min-height: 38px; }
.ball { align-items: center; background: var(--main); border-radius: 50%; display: inline-flex; font-size: .85rem; font-weight: 800; height: 32px; justify-content: center; width: 32px; }
.ball.bonus { background: var(--bonus); color: #2c2104; }
.planned { margin-top: 54px; color: var(--accent); font-weight: 700; }
.lab-link { display: block; width: 100%; margin-top: 24px; padding: 10px; background: transparent; border: 1px solid #3b4657; border-radius: 7px; color: var(--accent); text-align: center; text-decoration: none; }
.lab-link:hover { background: #202a36; }
.guide { margin-top: 72px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-card { min-height: 210px; padding: 22px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.guide-card > span { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
.guide-card h3 { margin: 12px 0 0; font-size: 1.08rem; }
.guide-card p { color: var(--muted); font-size: .88rem; line-height: 1.75; }
.guide-card a { color: var(--accent); font-size: .86rem; font-weight: 700; text-decoration: none; }
.guide-card a:hover { text-decoration: underline; }
.notice { margin-top: 70px; padding: 24px; border-left: 3px solid var(--accent); background: #121822; }
.notice h2 { font-size: 1rem; }
.notice p { color: var(--muted); line-height: 1.8; font-size: .88rem; margin-bottom: 0; }
footer { padding: 24px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
@media (max-width: 760px) { .site-header { align-items: flex-start; flex-direction: column; padding: 16px 0; } .brand { height: 58px; } main { padding: 46px 0; } .lottery-grid,.guide-grid { grid-template-columns: 1fr; } .section-heading { align-items: flex-start; flex-direction: column; } }