* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color: #24211f;
  background: #f5f0e8;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.panel,
.student-card {
  width: min(720px, 100%);
  background: #fffdf8;
  border: 1px solid #d7c6b2;
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(63, 45, 34, 0.16);
}

.panel {
  padding: 40px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #9a3d54;
  font-weight: 700;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 6vw, 44px);
  letter-spacing: 0;
}

.lead {
  margin: 0 0 28px;
  line-height: 1.8;
}

.login-grid {
  display: grid;
  gap: 12px;
}

.login-button {
  display: block;
  padding: 14px 18px;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  color: #fff;
  background: #8d2843;
}

.login-button.youtube {
  background: #c61f2b;
}

.login-button.twitch {
  background: #6441a5;
}

.login-button.twitcasting {
  background: #1f73b7;
}

.student-card {
  padding: 28px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 2px solid #9a3d54;
  padding-bottom: 16px;
}

.card-header p {
  margin: 0;
  font-weight: 800;
  color: #8d2843;
}

.card-header a {
  color: #5b4a3e;
}

.card-body {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  align-items: center;
  padding-top: 28px;
}

.photo {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border: 1px solid #d7c6b2;
  background: #eee4d7;
}

.classline,
.reading,
.account {
  margin: 0 0 10px;
  color: #5b4a3e;
}

@media (max-width: 560px) {
  .panel,
  .student-card {
    padding: 24px;
  }

  .card-body {
    grid-template-columns: 1fr;
  }
}