:root {
  color: #303030;
  background: #faf9f6;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

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

a:hover {
  color: #476783;
}

.container {
  width: min(100% - 40px, 880px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid #e2dfd8;
}

.site-logo {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-header nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
}

.intro {
  padding: 90px 0 95px;
}

.intro h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.intro p {
  margin: 0;
  color: #777;
  font-size: 14px;
}

section h2 {
  margin: 0 0 30px;
  font-size: 16px;
  font-weight: 600;
}

.work-item {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-top: 1px solid #e2dfd8;
}

.work-image {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  background: #e9e8e3;
  color: #999;
  font-size: 28px;
  font-weight: 300;
}

.work-content h3 {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 600;
}

.work-content p {
  margin: 8px 0;
  font-size: 14px;
}

.work-content .work-tech {
  color: #888;
  font-size: 12px;
}

.detail-link {
  display: inline-block;
  margin-top: 10px;
  color: #476783;
  font-size: 13px;
}

.about {
  margin-top: 90px;
  padding-top: 35px;
  border-top: 1px solid #e2dfd8;
}

.about p {
  max-width: 650px;
  font-size: 14px;
}

.site-footer {
  margin-top: 100px;
  padding: 28px 0;
  border-top: 1px solid #e2dfd8;
  color: #999;
  font-size: 12px;
}

@media (max-width: 600px) {
  .site-header {
    padding: 20px 0;
  }

  .site-header nav {
    gap: 16px;
  }

  .intro {
    padding: 65px 0;
  }

  .work-item {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .work-image {
    max-width: 100%;
  }

  .about {
    margin-top: 60px;
  }
}