/* Ryota Takatsuki — site stylesheet. No framework, no JavaScript. */

:root {
  color-scheme: light dark;
  --bg: #fbfaf6;
  --ink: #1e1c19;
  --muted: #6d675e;
  --rule: #e3ded4;
  --accent: #8a3b2a;
  --accent-soft: #f3e6e1;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", Arial, sans-serif;
  --measure: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --ink: #e9e4da;
    --muted: #a39d92;
    --rule: #2e2b26;
    --accent: #e0907a;
    --accent-soft: #2c211d;
  }
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Header */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  max-width: var(--measure);
  width: 100%;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 0;
  font-family: var(--sans);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.site-nav { display: flex; flex-wrap: wrap; gap: 1.1rem; font-size: 0.9rem; margin-left: auto; }
.site-nav a { text-decoration: none; color: var(--muted); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 0.35em; }

/* Main column */
.content {
  flex: 1;
  max-width: var(--measure);
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}
h1 { font-size: 1.9rem; letter-spacing: -0.01em; }
.page-title { margin-bottom: 1.5rem; }
h2 {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2.75rem 0 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.05rem; margin: 1.75rem 0 0.6rem; }
p { margin: 0 0 1rem; }
ul, ol { padding-left: 1.2rem; margin: 0 0 1rem; }
li { margin-bottom: 0.55rem; }
li::marker { color: var(--muted); }
em { font-style: italic; }
strong { font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

/* Home: profile block */
.profile {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 2rem;
  align-items: start;
  margin-bottom: 1rem;
}
.profile h1 { margin-bottom: 0.1rem; }
.name-ja { font-family: var(--sans); font-size: 0.95rem; color: var(--muted); margin: 0 0 0.9rem; }
.profile-text > p:last-child { margin-bottom: 0; }
.profile .role {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0 0 0.25rem;
}
.portrait {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
@media (max-width: 560px) {
  .profile { grid-template-columns: 1fr; }
  .profile-text { order: 2; }
  .portrait { width: 110px; height: 110px; }
}

/* Links row */
.links {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  font-family: var(--sans);
  font-size: 0.9rem;
}
.links li { margin: 0; }

/* News list */
.news {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 1.25rem;
  row-gap: 0.7rem;
  margin: 0 0 1rem;
}
.news dt {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
  padding-top: 0.2rem;
  white-space: nowrap;
}
.news dd { margin: 0; }
@media (max-width: 480px) {
  .news { grid-template-columns: 1fr; row-gap: 0.15rem; }
  .news dd { margin-bottom: 0.7rem; }
}

/* Publication lists */
.pubs li, .content > ul > li { padding-left: 0.1rem; }
.selected li { margin-bottom: 0.8rem; }
.selected .venue { color: var(--muted); }

/* Footer and small print */
.meta, .site-footer {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--muted);
}
.meta { margin-top: 3rem; }
.site-footer {
  max-width: var(--measure);
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2rem;
  border-top: 1px solid var(--rule);
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer p { margin: 0; }