:root {
  --blue: #1a75d2;
  --green: #29a866;
  --ink: #1c1c1e;
  --muted: #6b7280;
  --bg: #f5f7fb;
  --card: #ffffff;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(26,117,210,0.10), var(--bg) 320px) no-repeat;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 22px 72px;
}

header.hero { text-align: center; margin-bottom: 36px; }

.mark { width: 84px; height: 84px; border-radius: 22px; box-shadow: 0 12px 30px rgba(0,0,0,0.18); }

h1 { font-size: 2.1rem; font-weight: 800; margin: 18px 0 6px; letter-spacing: -0.02em; }
.tagline { color: var(--muted); font-size: 1.05rem; margin: 0; }

.card {
  background: var(--card);
  border-radius: 20px;
  padding: 28px 26px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  margin-bottom: 22px;
}

h2 { font-size: 1.3rem; margin: 6px 0 14px; }
h3 { font-size: 1.05rem; margin: 22px 0 6px; }
p, li { color: #2b2f36; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
small, .muted { color: var(--muted); }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.btns { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600;
  background: var(--blue); color: #fff;
}
.btn.alt { background: #eef1f6; color: var(--ink); }
.btn.store {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--ink); color: #fff;
}
.btn.store:hover { text-decoration: none; background: #000; }
.btn.store svg { width: 17px; height: 17px; }

footer { text-align: center; color: var(--muted); font-size: 0.9rem; margin-top: 30px; }
footer a { color: var(--muted); }

.sport { font-weight: 700; }
.tennis { color: var(--blue); }
.badminton { color: var(--green); }

.shots {
  display: flex; gap: 16px; justify-content: center; flex-wrap: nowrap;
  position: relative; left: 50%; transform: translateX(-50%);
  width: min(94vw, 940px); margin: 20px 0 48px;
}
.shots img {
  flex: 1 1 0; min-width: 0; max-width: 300px; height: auto; border-radius: 18px;
  box-shadow: 0 14px 30px rgba(0,0,0,0.16);
}

.section-title { text-align: center; font-size: 1.45rem; margin: 46px 0 20px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.feature {
  background: var(--card); border-radius: 18px; padding: 22px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}
.feature .ico { line-height: 1; }
.feature .ico svg { width: 30px; height: 30px; display: block; }
.feature h3 { margin: 10px 0 6px; font-size: 1.05rem; }
.feature p { color: var(--muted); margin: 0; font-size: 0.96rem; }