body {
  font-family: sans-serif;

  background: #f5f5f5;

  margin: 0;

  padding: 20px;

  color: #333;

  max-width: 900px;

  margin: 0 auto;
}

h1 {
  font-size: 32px;

  margin-bottom: 24px;
}

.store {
  background: white;

  border-radius: 12px;

  padding: 20px;

  margin-bottom: 20px;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.price {
  font-size: 32px;

  font-weight: bold;

  color: #e53935;

  margin-top: 12px;
}

.best-store {
  background: #fff3cd;

  border: 2px solid #ffe082;

  border-radius: 12px;

  padding: 24px;

  margin-bottom: 32px;
}

.best-name {
  font-size: 28px;

  font-weight: bold;

  margin-top: 12px;
}

.best-price {
  font-size: 40px;

  font-weight: bold;

  color: #d32f2f;

  margin-top: 12px;
}

a {
  color: #1976d2;

  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 10px;
}

h2 {
  margin-top: 40px;
}

@media (max-width: 600px) {
  body {
    padding: 12px;
  }

  h1 {
    font-size: 24px;
  }

  .price {
    font-size: 24px;
  }

  .best-price {
    font-size: 32px;
  }
}

form {
  background: white;

  padding: 24px;

  border-radius: 12px;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

select {
  width: 100%;

  padding: 14px;

  font-size: 16px;

  margin-bottom: 16px;

  box-sizing: border-box;
}

button {
  width: 100%;

  background: #1976d2;

  color: white;

  border: none;

  padding: 16px;

  border-radius: 10px;

  font-size: 16px;

  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

.section-card {
  background: white;

  padding: 24px;

  border-radius: 12px;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);

  margin-bottom: 24px;
}

.link-list {
  display: flex;

  flex-direction: column;

  gap: 12px;
}

.menu-link {
  display: block;

  background: #f5f5f5;

  padding: 16px;

  border-radius: 10px;

  color: #333;

  text-decoration: none;

  font-size: 16px;

  line-height: 1.5;

  transition: 0.2s;

  word-break: break-word;
}

.menu-link:hover {
  background: #e3f2fd;
}

form {
  background: white;

  padding: 24px;

  border-radius: 12px;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);

  margin-bottom: 24px;
}

select {
  width: 100%;

  padding: 14px;

  font-size: 16px;

  margin-bottom: 16px;

  box-sizing: border-box;
}

.notice {
  background: #fff3cd;

  border: 1px solid #ffe082;

  padding: 12px;

  border-radius: 8px;

  margin-bottom: 20px;
}

@media (max-width: 600px) {
  body {
    padding: 12px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .section-card,
  form,
  .store,
  .best-store {
    padding: 16px;
  }

  .menu-link {
    font-size: 15px;

    padding: 14px;
  }

  .price {
    font-size: 24px;
  }

  .best-price {
    font-size: 32px;
  }
}