:root {
  --bg: #ffffff;
  --bg-soft: #f5f7f3;
  --accent: #789784;
  --link: #63836C;
  --text: #303a34;
  --muted: #66726a;
  --line: #e1e8e2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8; -webkit-text-size-adjust: 100%;
}
a { color: var(--link); }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; height: 56px; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: .02em; }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.site-header nav a:hover { color: var(--link); }

.hero { padding: 88px 0 72px; text-align: center; }
.hero h1 { margin: 0; font-size: clamp(2rem, 6vw, 2.8rem); letter-spacing: .02em; line-height: 1.3; }
.by { margin: 4px 0 0; color: var(--accent); font-size: 1rem; }
.catch { margin: 28px 0 0; font-size: clamp(1rem, 3.4vw, 1.2rem); }

section { padding: 56px 0; }
h2 { margin: 0 0 28px; font-size: 1.3rem; display: flex; align-items: center; gap: 10px; }
h2::before { content: ""; width: 18px; height: 3px; background: var(--accent); border-radius: 2px; }

#works { background: var(--bg-soft); }
.works-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  display: flex; flex-direction: column; height: 100%; padding: 20px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); text-decoration: none; transition: border-color .15s, box-shadow .15s;
}
.card:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(99,131,108,.12); }
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-icon svg { width: 26px; height: 26px; fill: none; stroke: var(--link); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; display: block; }
.badge { font-size: .75rem; color: var(--link); background: var(--bg-soft); border: 1px solid var(--line); padding: 1px 10px; border-radius: 99px; }
.card-title { margin: 0 0 6px; font-size: 1.05rem; line-height: 1.5; }
.card-desc { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.7; }
.card-date { margin-top: 12px; font-size: .78rem; color: var(--muted); }
.card:hover .card-title { color: var(--link); }

.about { display: flex; gap: 28px; align-items: center; }
.about img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; flex: none; border: 1px solid var(--line); }
.about h3 { margin: 0 0 6px; font-size: 1.05rem; }
.about p { margin: 0; color: var(--muted); font-size: .95rem; }

#links { padding-top: 8px; }
.links { display: flex; gap: 12px; flex-wrap: wrap; }
.links a {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px;
  border: 1px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--text);
}
.links a:hover { border-color: var(--accent); color: var(--link); }
.links svg { width: 18px; height: 18px; fill: var(--link); }

footer { border-top: 1px solid var(--line); padding: 28px 0; text-align: center; color: var(--muted); font-size: .85rem; }

@media (max-width: 640px) {
  .hero { padding: 64px 0 52px; }
  .works-list { grid-template-columns: 1fr; }
  .about { flex-direction: column; text-align: center; gap: 16px; }
  section { padding: 44px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .card { transition: none; } }