/* badmintonapi.com: the site shell (tokens, header, buttons, footer). */
:root { --jade: #0E5E4E; --deep: #0A3F35; --deeper: #072E27; --gold: #C8A24A; --gold-lt: #E2C77F; --sand: #E7DCC0; --paper: #F7F4EC; --ink: #16201C; --muted: #6B736E; --line: #E2DCCB; --hair: #ECE7DA; color-scheme: light; }
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: #EFEBE1; color: var(--ink); font: 15px/1.6 "Zen Kaku Gothic New", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
svg { display: block; flex: none; }
a { color: inherit; text-decoration: none; }
.lk { display: inline-flex; align-items: center; white-space: nowrap; font: 900 1em/1 "Zen Kaku Gothic New", sans-serif; letter-spacing: -.025em; }
.lk .w { color: var(--deep); }
.lk .a { color: var(--gold); }
.lk svg { width: 1.3em; height: 1.3em; margin-right: .2em; position: relative; z-index: 1; }
.lk .ww { position: relative; padding-bottom: .16em; }
.lk .ww::after { content: ""; position: absolute; left: -.5em; right: 0; bottom: 0; height: .07em; background: var(--gold); border-radius: 1px; }
.dk .lk .w { color: #fff; }
.dk .lk { --s1: #0E5E4E; }
.util { display: flex; align-items: center; gap: 0; height: 34px; padding: 0 32px; font-size: 12.5px; white-space: nowrap; overflow: hidden; }
.util .it { display: flex; align-items: center; gap: 8px; padding-right: 16px; margin-right: 16px; border-right: 1px solid; }
.util .it:last-of-type { border-right: 0; }
.util .dot { width: 7px; height: 7px; border-radius: 50%; background: #3FAE7A; box-shadow: 0 0 0 3px rgba(63,174,122,.18); }
.util .lv { width: 6px; height: 6px; border-radius: 50%; background: #D0663A; }
.util .r { margin-left: auto; display: flex; gap: 20px; }
.util.u-dark { background: var(--deeper); color: rgba(255,255,255,.72); }
.util.u-dark .it { border-color: rgba(255,255,255,.12); }
.util.u-dark b { color: #fff; font-weight: 600; }
.util.u-dark .r a:hover { color: var(--gold-lt); }
.bar { display: flex; align-items: center; height: 72px; padding: 0 32px; gap: 0; }
.bar .brand { padding-right: 28px; margin-right: 28px; border-right: 1px solid var(--hair); height: 34px; display: flex; align-items: center; }
.bar nav { display: flex; gap: 26px; font-size: 14.5px; font-weight: 500; white-space: nowrap; flex: 1; height: 100%; }
.bar nav a { display: flex; align-items: center; gap: 7px; position: relative; }
.bar nav a.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold); }
.bar nav .lv { width: 6px; height: 6px; border-radius: 50%; background: #D0663A; }
.bar .act { display: flex; align-items: center; gap: 18px; padding-left: 24px; margin-left: 12px; border-left: 1px solid var(--hair); height: 34px; white-space: nowrap; font-size: 14px; }
.btn { display: inline-flex; align-items: center; height: 38px; padding: 0 18px; border-radius: 10px; font-weight: 700; font-size: 13.5px; letter-spacing: .01em; }
.btn-gold { background: var(--gold); color: var(--deeper); }
.b-dark { background: var(--deep); }
.b-dark nav { color: rgba(255,255,255,.74); }
.b-dark nav a.on { color: #fff; font-weight: 700; }
.b-dark .brand, .b-dark .act { border-color: rgba(255,255,255,.14); }
.b-dark .act { color: rgba(255,255,255,.8); }
.b-dark { border-bottom: 1px solid var(--gold); }
.burger { background: none; padding: 0; cursor: pointer; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--line); }
.burger i, .burger i::before, .burger i::after { display: block; width: 16px; height: 1.6px; background: var(--deep); position: relative; }
.burger i::before, .burger i::after { content: ""; position: absolute; left: 0; }
.burger i::before { top: -5px; }
.burger i::after { top: 5px; }
.b-dark .burger { border-color: rgba(255,255,255,.25); }
.b-dark .burger i, .b-dark .burger i::before, .b-dark .burger i::after { background: #fff; }
.b { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 20px; border-radius: 10px; font: 700 14px/1 "Zen Kaku Gothic New", sans-serif; letter-spacing: .01em; border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.b.lg { height: 50px; padding: 0 26px; font-size: 15.5px; }
body { background: #fff; }
.site-hd { position: sticky; top: 0; z-index: 10; }
.site-hd .util { padding: 0 24px; }
.site-hd .bar { padding: 0 24px; height: 70px; }
.site-hd .burger { display: none; }
@media (max-width: 1300px) {
.site-hd .bar nav { gap: 20px; font-size: 14px; }
.site-hd .bar .brand { padding-right: 20px; margin-right: 20px; }
.site-hd .bar .act { gap: 14px; padding-left: 18px; margin-left: 8px; }
}
@media (max-width: 1060px) {
.site-hd .util .it:nth-child(3) { display: none; }
}
@media (max-width: 1120px) {
.site-hd .bar nav, .site-hd .bar .act { display: none; }
.site-hd .bar .brand { border-right: 0; margin-right: auto; padding-right: 0; }
.site-hd .burger { display: grid; }
.site-hd .util .it:nth-child(2), .site-hd .util .r a:nth-child(n+2) { display: none; }
.site-hd .util { padding: 0 16px; }
.site-hd .bar { padding: 0 16px; height: 62px; }
}
.b-gw { background: #fff; color: #1F1F1F; border-color: #fff; box-shadow: 0 14px 30px -12px rgba(0,0,0,.5); }
.b-gw svg { width: 20px; height: 20px; }
.b-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.34); }
.ft10 { color: rgba(255,255,255,.7); border-top: 2px solid var(--gold); background: radial-gradient(45% 80% at 0% 0%, rgba(34,150,112,.18) 0%, rgba(34,150,112,0) 70%), linear-gradient(180deg, #062B25 0%, #03191A 100%); }
.ft-in { max-width: 1200px; margin: 0 auto; padding: 72px 24px 34px; }
.ft-top { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; }
.ft-brand p { margin: 18px 0 0; max-width: 360px; font-size: 14.5px; line-height: 1.7; color: rgba(255,255,255,.62); }
.ft-status { display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; padding: 9px 14px; border-radius: 999px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); font-size: 12.5px; }
.ft-status i { width: 7px; height: 7px; border-radius: 50%; background: #3FAE7A; box-shadow: 0 0 0 3px rgba(63,174,122,.2); }
.ft-status b { color: #fff; font-weight: 700; }
.ft-status span { color: rgba(255,255,255,.5); }
.ft-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ft-cols h3 { margin: 0 0 14px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-lt); font-weight: 700; }
.ft-cols a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.72); }
.ft-cols a:hover { color: #fff; }
.ft-rule { display: flex; align-items: center; gap: 16px; margin: 56px 0 26px; }
.ft-rule::before, .ft-rule::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(226,199,127,0), rgba(226,199,127,.45)); }
.ft-rule::after { background: linear-gradient(270deg, rgba(226,199,127,0), rgba(226,199,127,.45)); }
.ft-rule svg { width: 22px; height: 22px; }
.ft-meta { margin: 0; font-size: 12.5px; color: rgba(255,255,255,.42); text-align: center; }
@media (max-width: 860px) {
.ft-top { grid-template-columns: 1fr; gap: 40px; }
.ft-in { padding: 56px 20px 30px; }
}
@media (max-width: 520px) {
.ft-cols { grid-template-columns: 1fr 1fr; }
}
.b-key { background: var(--gold); color: var(--deeper); border-color: var(--gold); }
.b:focus-visible, .btn:focus-visible, .burger:focus-visible, .bar nav a:focus-visible { outline: 2px solid var(--gold-lt); outline-offset: 2px; }
.mnav { display: none; }
@media (max-width: 1120px) {
.site-hd.open .mnav { display: block; background: var(--deep); border-bottom: 1px solid var(--gold); padding: 6px 16px 18px; }
.mnav > a { display: flex; align-items: center; gap: 8px; padding: 12px 2px; color: rgba(255,255,255,.86); font-weight: 500; border-bottom: 1px solid rgba(255,255,255,.08); }
.mnav .lv { width: 6px; height: 6px; border-radius: 50%; background: #D0663A; }
.mnav-act { display: flex; gap: 10px; margin-top: 16px; }
.mnav-act .b { flex: 1; }
}