:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #5e5e5e;
  --link: #3f6ea5;
  --link-hover: #2f5682;
  --line: #121212;
  --panel: #f8f8f8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.06rem;
  line-height: 1.68;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
}

.wrapper {
  width: min(900px, 100% - 2rem);
  margin: 0 auto;
}

.site-header {
  background: var(--bg);
}

.header-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0 0.7rem;
  border-bottom: 1px solid var(--line);
}

.site-title {
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: clamp(1.5rem, 1.6vw + 1rem, 2rem);
  letter-spacing: -0.06em;
  font-weight: 500;
  color: #000;
}

.site-title:hover {
  color: #000;
}

.site-nav .menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.page-link {
  font-family: "IBM Plex Mono", "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 1.0rem;
  font-weight: 600;
  color: #000;
}

.page-link:hover,
.page-link.is-active {
  color: #000;
}

.page-content {
  padding: 1.8rem 0 2.5rem;
}

.site-footer {
  border-top: 1px solid #e5e5e5;
  padding: 1rem 0 1.4rem;
}

.footer-text {
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--muted);
}

.footer-text p {
  margin: 0;
}

.footer-top {
  display: block;
  margin-bottom: 0.85rem;
}

.footer-col {
  min-width: 220px;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.2rem;
}

.contact-list li.address-start {
  margin-top: 0.75rem;
}

.footer-col-social {
  display: flex;
  align-items: flex-start;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
}

.social-link:hover {
  color: #000;
}

.footer-note {
  margin-top: 0.35rem;
}

h1,
h2,
h3 {
  margin: 0 0 0.6rem;
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: 1.6rem;
}

h2 {
  font-family: "IBM Plex Mono", "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1rem;
  margin-top: 1.3rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

.home-intro {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.4rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.home-photo img {
  width: 100%;
  display: block;
  border-radius: 4px;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.13);
}

.square-list {
  list-style-type: square;
  margin-left: 1.2rem;
}

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.card-list li {
  background: var(--panel);
  border: 1px solid #ececec;
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
}

@media (max-width: 760px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav .menu {
    gap: 0.75rem;
  }

  .home-intro {
    grid-template-columns: 1fr;
  }

  .home-photo {
    max-width: 280px;
  }

}