@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700&display=swap");

:root {
  --ink: #11120f;
  --green: #64db7a;
  --ivory: #f4f2d5;
  --cream: #e6e4c8;
  --pastel-yellow: #e6e89a;
  --line: rgba(17, 18, 15, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
}
a { color: inherit; text-decoration: none; }

.site-header {
  height: 92px;
  padding: 0 3.3vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green);
  border-bottom: 1px solid rgba(17, 18, 15, 0.2);
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand > span:last-child { display: grid; line-height: .82; }
.brand strong {
  font: 600 19px "Barlow Condensed", sans-serif;
  letter-spacing: .05em;
}
.brand-ball {
  width: 31px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 33% 31%, var(--ink) 0 2px, transparent 2.5px),
    radial-gradient(circle at 67% 39%, var(--ink) 0 2px, transparent 2.5px),
    radial-gradient(circle at 43% 66%, var(--ink) 0 2px, transparent 2.5px),
    #d9e936;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  font: 600 16px "Barlow Condensed", sans-serif;
  letter-spacing: .11em;
}
.header-reserve {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-left: 32px;
  border-left: 1px solid rgba(17, 18, 15, .25);
}

.hero {
  min-height: calc(100vh - 92px);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 73% 27%, rgba(244, 242, 213, .24), transparent 27%),
    var(--green);
}
.court-lines i {
  position: absolute;
  display: block;
  border: 1px solid rgba(17, 18, 15, .14);
}
.court-lines i:nth-child(1) {
  width: 62vw;
  height: 62vw;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%) rotate(8deg);
  border-radius: 50%;
}
.court-lines i:nth-child(2) {
  width: 38vw;
  height: 120vh;
  right: 7vw;
  top: -10vh;
  transform: rotate(34deg);
  border-width: 0 1px;
}
.court-lines i:nth-child(3) {
  width: 110vw;
  height: 1px;
  left: -5vw;
  top: 70%;
}
.hero-copy {
  position: relative;
  z-index: 1;
  padding: 7vh 6.5vw 15vh;
}
.hero-logo {
  display: block;
  width: clamp(161px, 17.5vw, 259px);
  height: auto;
  margin: 0 0 clamp(30px, 4vh, 52px);
  object-fit: contain;
}
.section-index {
  margin: 0 0 24px;
  font: 600 13px "Barlow Condensed", sans-serif;
  letter-spacing: .18em;
}
.hero h1,
.intro h2,
.schedule h2,
.action-card h2 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 700;
  letter-spacing: -.055em;
  line-height: .76;
}
.hero h1 { font-size: clamp(88px, 15vw, 220px); }
.hero h1 span { display: block; }
.hero h1 span:last-child {
  margin-left: 9vw;
  color: var(--ivory);
}
.jp-title {
  margin: 30px 0 0 10vw;
  font-size: 16px;
  letter-spacing: .18em;
}
.hero-bottom {
  position: absolute;
  z-index: 1;
  inset: auto 3.3vw 34px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font: 600 14px/1.4 "Barlow Condensed", sans-serif;
  letter-spacing: .12em;
}
.hero-bottom a { display: flex; gap: 14px; align-items: center; }
.hero-bottom a span { font-size: 25px; }
.hero-orbit {
  position: absolute;
  right: -4vw;
  top: 8vh;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(17, 18, 15, .22);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #d9e936;
  font: 600 12px "Barlow Condensed", sans-serif;
  letter-spacing: .1em;
  transform: rotate(18deg);
}

.intro {
  padding: 130px 6.5vw 150px;
  border-bottom: 1px solid var(--line);
}
.intro-copy {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  align-items: end;
  gap: 8vw;
}
.intro h2 { font-size: clamp(78px, 10.5vw, 160px); }
.intro h2 span { color: var(--green); }
.intro-lead {
  margin: 0 0 26px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.7;
  font-weight: 600;
}
.intro-body {
  max-width: 520px;
  margin: 0;
  font-size: 14px;
  line-height: 2.15;
}

.schedule {
  padding: 125px 6.5vw 100px;
  background: #edeccd;
}
.schedule-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 55px;
}
.schedule-head h2 {
  color: var(--green);
  font-size: clamp(70px, 9vw, 128px);
}
.schedule-head > p { margin: 0 0 6px; font-size: 13px; }
.calendar-frame {
  padding: 14px;
  border: 1px solid var(--ink);
  background: var(--ivory);
  box-shadow: 12px 12px 0 var(--green);
}
.calendar-frame iframe {
  display: block;
  width: 100%;
  height: 710px;
  border: 0;
}
.schedule-note {
  margin: 32px 0 0;
  font-size: 11px;
  line-height: 1.9;
}

.action-area { display: grid; grid-template-columns: 1fr 1fr; }
.action-card {
  min-height: 630px;
  padding: 65px 6.5vw;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.reserve-card { background: var(--green); }
.line-card { background: var(--pastel-yellow); }
.action-card h2 { font-size: clamp(70px, 8vw, 116px); }
.action-card div > p {
  max-width: 390px;
  font-size: 14px;
  line-height: 1.9;
}
.round-arrow {
  width: 78px;
  height: 78px;
  position: absolute;
  right: 6.5vw;
  top: 64px;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 24px;
  transition: transform .25s ease, background .25s ease;
}
.action-card:hover .round-arrow { transform: translate(7px, -7px); }
.line-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 600;
}

footer {
  padding: 65px 3.3vw 38px;
  color: var(--ivory);
  background: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.footer-meta {
  display: flex;
  gap: 7vw;
  align-items: flex-end;
  font-size: 10px;
  line-height: 1.8;
}
.footer-meta p { margin: 0; }

@media (max-width: 760px) {
  .site-header { height: 72px; padding: 0 20px; }
  .brand strong { font-size: 15px; }
  .brand-ball { width: 26px; }
  .header-actions > a:first-child { display: none; }
  .header-reserve { padding-left: 0; border: 0; gap: 12px; }
  .hero { min-height: calc(100svh - 72px); }
  .hero-copy { padding: 9vh 20px 140px; }
  .hero-logo {
    width: clamp(133px, 42vw, 182px);
    margin-bottom: 34px;
  }
  .hero h1 {
    font-size: clamp(72px, 24vw, 105px);
    line-height: .8;
  }
  .hero h1 span:last-child { margin-left: 0; }
  .jp-title { margin: 23px 0 0 3px; font-size: 12px; }
  .hero-bottom { inset: auto 20px 25px; font-size: 11px; }
  .hero-orbit {
    width: 118px;
    height: 118px;
    right: -28px;
    top: 5vh;
    font-size: 8px;
  }
  .court-lines i:nth-child(1) { width: 115vw; height: 115vw; }
  .intro { padding: 85px 20px 95px; }
  .intro-copy { grid-template-columns: 1fr; gap: 55px; }
  .intro h2 { font-size: 22vw; }
  .intro-lead { font-size: 19px; }
  .intro-body { font-size: 13px; }
  .schedule { padding: 82px 20px 76px; overflow: hidden; }
  .schedule-head { display: block; margin-bottom: 35px; }
  .schedule-head h2 { font-size: 21vw; }
  .schedule-head > p { margin-top: 28px; line-height: 1.8; }
  .calendar-frame {
    padding: 6px;
    box-shadow: 7px 7px 0 var(--green);
  }
  .calendar-frame iframe { height: 600px; }
  .schedule-note { font-size: 10px; }
  .action-area { grid-template-columns: 1fr; }
  .action-card { min-height: 520px; padding: 52px 20px; }
  .action-card h2 { font-size: 22vw; }
  .round-arrow {
    width: 62px;
    height: 62px;
    right: 20px;
    top: 50px;
  }
  footer {
    padding: 52px 20px 32px;
    align-items: flex-start;
    gap: 45px;
    flex-direction: column;
  }
  .footer-meta { width: 100%; display: grid; gap: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
