:root {
  --paper: #F5F5F2;
  --ink: #20242C;
  --ai: #165E83;
  --gray: #767C85;
  --line: #DCDCD6;
  --measure: 42rem;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 1rem;
  line-height: 2;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ai); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.3em; }
a:focus-visible {
  outline: 2px solid var(--ai);
  outline-offset: 3px;
  border-radius: 2px;
}
.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- header ---- */
header {
  padding: 2rem 0;
}
header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
header .right {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.brand {
  font-family: "Shippori Mincho", serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.brand .latin {
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--gray);
  margin-left: 0.6em;
  letter-spacing: 0.02em;
}
nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
nav a {
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--gray);
}
nav a:hover { color: var(--ai); text-decoration: none; }

/* ---- language switch ----
   もう一方の言語へのリンクを1つだけ置く。italic の nav 項目とは
   立体（non-italic）とインク色で区別する。 */
.lang a {
  font-family: "EB Garamond", "Shippori Mincho", serif;
  font-size: 1.02rem;
  color: var(--ink);
}
.lang a:hover { color: var(--ai); text-decoration: none; }

/* ---- 8va line: the octave mark from sheet music ---- */
.ottava {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 0;
  margin: 0 0 2.5rem;
}
.ottava::before {
  content: "8va";
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ai);
  line-height: 1;
}
.ottava::after {
  content: "";
  flex: 1;
  height: 0.55em;
  border-top: 1.5px dashed var(--ai);
  border-right: 1.5px solid var(--ai);
  opacity: 0.75;
}

/* ---- hero ---- */
.hero {
  padding: 5rem 0 7rem;
}
.hero h1 {
  font-family: "Shippori Mincho", serif;
  font-weight: 600;
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.55;
  letter-spacing: 0.06em;
}
.hero p {
  margin-top: 2rem;
  color: var(--gray);
  max-width: 34em;
}
.hero > .inner { animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.3, 1) both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(0.75rem); }
  to   { opacity: 1; transform: none; }
}

/* ---- sections ---- */
section { padding: 4.5rem 0; }
.mark {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.25rem;
}
/* rehearsal mark: the boxed letter used to label sections of a score */
.mark .box {
  font-family: "EB Garamond", serif;
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 0.45em 0.55em 0.35em;
}
.mark h2 {
  font-family: "Shippori Mincho", serif;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.1em;
}
.mark .en {
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--gray);
}
section h3 {
  font-family: "Shippori Mincho", serif;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  margin: 2.5rem 0 0.75rem;
}
section p + p { margin-top: 1em; }

/* ---- company table ---- */
dl.company {
  border-top: 1px solid var(--line);
}
dl.company > div {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
dl.company dt {
  color: var(--gray);
  font-size: 0.92rem;
  padding-top: 0.15em;
}
@media (max-width: 480px) {
  dl.company > div { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ---- news ---- */
ul.news { list-style: none; }
ul.news li {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
ul.news li:first-child { border-top: 1px solid var(--line); }
ul.news time {
  color: var(--gray);
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
  padding-top: 0.15em;
}
@media (max-width: 480px) {
  ul.news li { grid-template-columns: 1fr; gap: 0.15rem; }
}

/* ---- contact ---- */
.contact-address {
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-size: 1.6rem;
  letter-spacing: 0.03em;
  margin: 1.25rem 0;
}
.note { color: var(--gray); font-size: 0.92rem; }

/* ---- footer ---- */
footer {
  padding: 4rem 0 3rem;
}
footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
footer small {
  color: var(--gray);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
footer .latin {
  font-family: "EB Garamond", serif;
  font-style: italic;
  color: var(--gray);
}

/* ---- English page: Latin typography ----
   本文は同じ書体のまま、見出しは EB Garamond に切り替え、
   和文向けに詰めた行送り・字送りを欧文向けにゆるめる。 */
html[lang="en"] body {
  line-height: 1.75;
  font-feature-settings: normal;
}
html[lang="en"] .brand {
  font-family: "EB Garamond", serif;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
html[lang="en"] .brand .latin {
  font-family: "Shippori Mincho", serif;
  font-style: normal;
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
}
html[lang="en"] .hero h1 {
  font-family: "EB Garamond", serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 3.9rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
}
html[lang="en"] .mark h2 {
  font-family: "EB Garamond", serif;
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
}
html[lang="en"] section h3 {
  font-family: "EB Garamond", serif;
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}
/* 英語ページでは .mark .en が和文の見出しを受け持つ */
html[lang="en"] .mark .en {
  font-family: "Shippori Mincho", serif;
  font-style: normal;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}
@media (min-width: 481px) {
  html[lang="en"] dl.company > div,
  html[lang="en"] ul.news li { grid-template-columns: 10em 1fr; }
}