:root {
  --navy: #062f45;
  --deep: #031d2a;
  --ink: #14202b;
  --muted: #657486;
  --aqua: #18b8df;
  --orange: #f48300;
  --sky: #e4f8ff;
  --paper: #f7fbfd;
  --white: #ffffff;
  --line: #dcecf2;
  --shadow: 0 24px 70px rgba(3, 29, 42, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.partners-page {
  overflow: hidden;
  background:
    radial-gradient(circle at 7% 22%, rgba(24, 184, 223, 0.14), transparent 24%),
    radial-gradient(circle at 92% 12%, rgba(244, 131, 0, 0.12), transparent 20%),
    linear-gradient(180deg, #ffffff 0, #f7fbfd 60%, #ffffff 100%);
}

.hero {
  position: relative;
  min-height: 76svh;
  display: grid;
  align-items: end;
  padding: clamp(28px, 5vw, 64px);
  color: var(--white);
  background: var(--deep);
  overflow: hidden;
  isolation: isolate;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.46;
  z-index: 0;
  pointer-events: none;
}

.hero__photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(3, 29, 42, 0.9), rgba(3, 29, 42, 0.58) 55%, rgba(3, 29, 42, 0.22)),
    linear-gradient(0deg, rgba(3, 29, 42, 0.76), rgba(3, 29, 42, 0.02) 52%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(1040px, 100%);
  padding-top: 110px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.18;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  width: min(680px, 100%);
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 2vw, 20px);
}

.message {
  width: min(1040px, calc(100% - 36px));
  margin: -54px auto 0;
  position: relative;
  z-index: 2;
  padding: clamp(24px, 4vw, 42px);
  background: var(--white);
  border-top: 6px solid var(--aqua);
  box-shadow: var(--shadow);
}

.message p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.partner-section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(60px, 8vw, 105px) 0 0;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.section-title span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
}

.section-title h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(26px, 3vw, 38px);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.logo-grid--feature {
  grid-template-columns: minmax(0, 1fr);
}

.logo-grid--compact,
.logo-grid--support {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.logo-card {
  position: relative;
  display: grid;
  min-height: 178px;
  place-items: center;
  padding: 24px;
  overflow: hidden;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 16px 38px rgba(3, 29, 42, 0.08);
}

.logo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--aqua), var(--orange));
}

.logo-card--large {
  min-height: 240px;
}

.logo-text {
  position: relative;
  z-index: 1;
  display: block;
  color: var(--navy);
  font-size: clamp(25px, 3vw, 42px);
  line-height: 1.25;
  letter-spacing: 0;
}

.logo-text--latin {
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(30px, 4vw, 54px);
}

.logo-card span {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.partner-logo {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: min(220px, 88%);
  max-height: 86px;
  object-fit: contain;
}

.partner-logo--wide {
  max-width: min(300px, 92%);
  max-height: 92px;
}

.partner-logo--round {
  max-width: 118px;
  max-height: 118px;
}

.partner-logo--yozora {
  max-width: 150px;
  max-height: 130px;
}

.logo-card--large .partner-logo {
  max-width: min(520px, 92%);
  max-height: 132px;
}

.diamond .logo-card {
  background:
    linear-gradient(135deg, rgba(24, 184, 223, 0.12), rgba(244, 131, 0, 0.08)),
    var(--white);
}

.diamond .logo-card::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -120px;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(24, 184, 223, 0.28);
  border-radius: 50%;
}

.thanks {
  margin-top: clamp(70px, 8vw, 110px);
  padding: clamp(80px, 10vw, 140px) 18px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(3, 29, 42, 0.92), rgba(3, 29, 42, 0.52)),
    url("keimei-running-cover.jpg") center / cover no-repeat;
}

.thanks > div {
  width: min(980px, 100%);
  margin: 0 auto;
}

.thanks p:not(.eyebrow) {
  width: min(720px, 100%);
  color: rgba(255, 255, 255, 0.84);
  font-size: 17px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 13px 22px;
  color: var(--white);
  font-weight: 900;
  background: linear-gradient(135deg, var(--orange), #ffad22);
  box-shadow: 0 18px 36px rgba(244, 131, 0, 0.28);
}

@media (max-width: 900px) {
  .hero {
    min-height: 70svh;
    padding: 24px;
  }

  .hero__image {
    object-position: 54% center;
    opacity: 0.42;
  }

  .section-title {
    display: block;
  }

  .logo-grid,
  .logo-grid--compact,
  .logo-grid--support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: clamp(40px, 15vw, 58px);
  }

  .message {
    margin-top: -32px;
  }

  .logo-grid,
  .logo-grid--compact,
  .logo-grid--support {
    grid-template-columns: 1fr;
  }

  .logo-card {
    min-height: 150px;
  }

  .button {
    width: 100%;
  }
}