:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #18201e;
  background: #f5f7f6;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 12px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid #dce2df;
  background: #ffffff;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark,
.service-mark {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  color: #ffffff;
  background: #23312d;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  font-size: 15px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #52615c;
  font-size: 13px;
}

.status span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #238557;
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(48px, 8vh, 84px) 0 48px;
}

.intro {
  max-width: 600px;
  margin-bottom: 36px;
}

.eyebrow {
  margin: 0 0 10px;
  color: #63726d;
  font-size: 13px;
  font-weight: 700;
}

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

h1 {
  margin-bottom: 12px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro > p:last-child {
  margin-bottom: 0;
  color: #56635f;
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(150px, 36%) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid #d5ddda;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(24, 32, 30, 0.08);
}

.service-image {
  display: block;
  min-height: 164px;
  overflow: hidden;
  background: #e7ecea;
}

.service-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease;
}

.service-card:hover .service-image img {
  transform: scale(1.015);
}

.service-content {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.service-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.service-mark {
  width: 44px;
  height: 44px;
  border-radius: 7px;
  font-size: 18px;
  font-weight: 800;
}

.zerochat .service-mark {
  background: #176b68;
}

.listenbook .service-mark {
  background: #a3473e;
}

h2 {
  margin-bottom: 4px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: 0;
}

.service-heading p {
  margin-bottom: 0;
  color: #63706c;
  font-size: 14px;
}

.service-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid #bdc9c5;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.service-link:hover,
.service-link:focus-visible {
  border-color: #52645e;
  background: #f0f4f2;
  outline: none;
}

.service-link span {
  font-size: 19px;
}

footer {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
  padding: 24px 20px;
  color: #75817d;
  font-size: 12px;
  text-align: center;
}

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

footer a:hover,
footer a:focus-visible {
  color: #176b68;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 720px) {
  .site-header {
    min-height: 60px;
    padding-inline: 16px;
  }

  .status {
    font-size: 12px;
  }

  main {
    width: min(100% - 28px, 560px);
    padding-top: 24px;
  }

  .intro {
    margin-bottom: 20px;
  }

  h1 {
    font-size: 32px;
  }

  .service-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .service-card {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .service-image {
    min-height: 126px;
  }

  .service-content {
    gap: 10px;
    padding: 12px;
  }

  .service-heading {
    gap: 9px;
  }

  .service-mark {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  h2 {
    font-size: 18px;
  }

  .service-heading p {
    font-size: 12px;
  }

  .service-link {
    min-height: 38px;
    padding: 7px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .service-image img,
  .service-link {
    transition: none;
  }
}