:root {
  --ink: #111827;
  --muted: #66758a;
  --line: #e5e7eb;
  --blue-deep: #071f49;
  --mist: #f7f8fa;
  --navy-gradient: linear-gradient(135deg, #071f49 0%, #0b2f6b 52%, #173f7a 100%);
  --shadow: 0 18px 44px rgba(17, 24, 39, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", Inter, system-ui, sans-serif;
  color: #18181b;
  background: #fff;
}

h1,
h2,
h3,
p {
  line-break: strict;
  word-break: auto-phrase;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.95);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blue-deep);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  background: var(--navy-gradient);
  box-shadow: 0 12px 26px rgba(7, 31, 73, 0.22);
}

.brand-name,
.brand-sub {
  display: block;
}

.brand-name {
  color: var(--blue-deep);
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.1;
}

.brand-sub {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
}

.nav-actions a {
  text-decoration: none;
}

.nav-button,
.entry-button {
  padding: 11px 22px;
  border-radius: 999px;
  color: #fff;
  background: var(--navy-gradient);
  box-shadow: 0 12px 24px rgba(7, 31, 73, 0.2);
}

.hero {
  padding: clamp(96px, 12vw, 150px) 0 clamp(88px, 10vw, 126px);
  border-bottom: 1px solid var(--line);
  text-align: center;
  background: #fff;
}

.hero-inner,
.section-inner {
  width: min(1000px, calc(100% - 40px));
  margin: 0 auto;
}

.hero h1 {
  margin: 0;
  color: #18181b;
  font-family: "Noto Sans JP", Inter, sans-serif;
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  font-size: clamp(34px, 4.2vw, 52px);
  text-wrap: balance;
}

.hero h1 em {
  display: block;
  margin-top: 24px;
  color: var(--blue-deep);
  font-family: Inter, "Noto Sans JP", sans-serif;
  font-size: clamp(64px, 8vw, 104px);
  font-style: normal;
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  max-width: 780px;
  margin: 38px auto 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
  line-height: 2;
  text-wrap: balance;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 820px;
  margin: 56px auto 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-stats > div {
  padding: 30px 22px 28px;
}

.hero-stats > div + div {
  border-left: 1px solid var(--line);
}

.hero-stats p {
  margin: 0;
  color: var(--blue-deep);
  font-family: Inter, "Noto Sans JP", sans-serif;
  line-height: 1;
}

.hero-stats strong {
  font-size: 44px;
  font-weight: 900;
}

.hero-stats span {
  margin-left: 7px;
  font-size: 14px;
  font-weight: 800;
}

.hero-stats small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.hero-copy {
  max-width: 720px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 800;
  line-height: 2;
}

.section-label {
  margin: 0;
  color: #6b7280;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 46px;
}

.section-heading.centered {
  margin: 0 auto 54px;
  text-align: center;
}

.section-heading h2,
.entry h2 {
  margin: 12px 0 0;
  color: var(--blue-deep);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 900;
  line-height: 1.35;
}

.section-heading p:not(.section-label),
.entry p {
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}

.program-about,
.fit,
.flow,
.coaches,
.entry {
  padding: clamp(78px, 9vw, 118px) 0;
}

.about-lead,
.about-sub {
  margin: 28px 0 0;
  color: #18181b;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 900;
  line-height: 1.7;
}

.about-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
}
.fit {
  background: #f7f8fa;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.fit-grid article {
  min-height: 270px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.fit-grid article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.fit-grid span {
  color: #9aa3b2;
  font-family: Inter, "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.fit-grid h3 {
  margin: 28px 0 22px;
  color: var(--blue-deep);
  font-size: clamp(21px, 2.1vw, 28px);
  font-weight: 900;
  line-height: 1.55;
}

.fit-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.9;
}

.flow {
  background: #fff;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.flow-grid article {
  padding: 40px 34px 20px 0;
}

.flow-grid span {
  color: #b8552f;
  font-family: Inter, "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.flow-grid h3 {
  margin: 30px 0 20px;
  color: #18181b;
  font-family: Inter, "Noto Sans JP", sans-serif;
  font-size: clamp(24px, 2.8vw, 36px);
  line-height: 1.2;
}

.flow-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}

.flow-grid strong {
  display: block;
  margin-bottom: 18px;
  color: #888;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.6;
}

.coach-note {
  max-width: 850px;
  margin: 0 auto;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.coach-note h2 {
  margin: 0 0 18px;
  color: var(--blue-deep);
  font-size: clamp(26px, 3vw, 38px);
}

.coach-note p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}

.official-link {
  margin-top: 34px;
  text-align: center;
}

.official-link a,
.entry-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 38px;
  border-radius: 999px;
  color: #fff;
  background: var(--navy-gradient);
  box-shadow: 0 16px 34px rgba(7, 31, 73, 0.2);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.official-link a:hover,
.entry-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(7, 31, 73, 0.25);
}

.entry {
  text-align: center;
  background: #fff;
}

.entry-inner {
  max-width: 820px;
}

.entry h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
}

.entry p {
  margin: 28px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 2;
}

.entry-button {
  min-width: 350px;
  margin-top: 34px;
}

.site-footer {
  color: #d8eaff;
  background: #0c254a;
}

.footer-skyline {
  height: 300px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.18)),
    linear-gradient(180deg, rgba(7, 31, 73, 0.02), rgba(7, 31, 73, 0.14)),
    url("kobe-footer.jpg") center 48% / cover no-repeat;
}

.footer-content {
  width: min(1000px, calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 42px;
  text-align: center;
}

.footer-title {
  margin: 0 0 12px;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
}

.footer-content p {
  margin: 6px 0;
  color: #9ebde0;
  font-size: 12px;
  line-height: 1.8;
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .summary-grid,
  .feature-grid,
  .fit-grid,
  .flow-grid,
  .coach-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 66px;
    padding: 11px 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-sub,
  .nav-actions a:not(.nav-button) {
    display: none;
  }

  .brand-name {
    font-size: 17px;
  }

  .summary-grid,
  .summary-stats,
  .feature-grid,
  .fit-grid,
  .flow-grid,
  .coach-list {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-stats > div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .entry-button {
    min-width: 0;
  }
}