:root {
  --navy: #16324F;
  --navy-dark: #102640;
  --forest: #2E5E4E;
  --forest-dark: #24483C;
  --tint: #EAF0EE;
  --bg: #F4F6F7;
  --white: #FFFFFF;
  --text: #1F2933;
  --text-muted: #5A6673;
  --border: #DDE3E6;
  --font-heading: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--forest); }

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin: 0;
}

.container {
  width: min(100% - 40px, 1080px);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 12px 20px;
  z-index: 200;
}
.skip-link:focus { left: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- focus ---------- */

:focus-visible {
  outline: 3px solid var(--forest);
  outline-offset: 2px;
  border-radius: 2px;
}
.cta :focus-visible,
.site-footer :focus-visible,
.hero__media :focus-visible {
  outline-color: var(--white);
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--navy);
  text-decoration: none;
  line-height: 1.25;
}
.brand span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--forest);
  font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 28px; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav__list a:hover,
.nav__list a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--forest);
}

.btn {
  display: inline-block;
  background: var(--forest);
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 6px;
  border: 2px solid var(--forest);
  transition: background .2s;
}
.btn:hover { background: var(--forest-dark); border-color: var(--forest-dark); }

.btn--sm { font-size: 13px; padding: 9px 18px; }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: var(--white); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 2px;
  background: var(--navy);
  transition: transform .25s, opacity .2s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- hero ---------- */

.hero { background: var(--bg); }

.hero__inner {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
}

.hero__text {
  padding: 72px 56px 72px max(20px, calc((100vw - 1080px) / 2));
}

.hero__eyebrow {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--forest);
  margin: 0 0 14px;
}

.hero__name {
  font-size: 44px;
  line-height: 1.3;
  margin-bottom: 4px;
}

.hero__name-en {
  font-family: var(--font-heading);
  font-size: 19px;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin: 0;
}

.hero__role {
  font-size: 16px;
  line-height: 1.8;
  margin: 20px 0 32px;
}

.hero__media { position: relative; align-self: stretch; margin: 0; }
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
}

/* ---------- photo credit ---------- */

.photo-credit {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: left;
}

.photo-credit--on-image {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  color: #FFFFFF;
  background: linear-gradient(to top, rgba(12, 22, 33, .72), rgba(12, 22, 33, 0));
}

/* ---------- sections ---------- */

.section { padding: 88px 0; }
.section--tint { background: var(--tint); }
.section--bg { background: var(--bg); }

.section__head { text-align: center; margin-bottom: 44px; }

.section__title { font-size: 30px; line-height: 1.35; }

.section__title-en {
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--forest);
  margin-bottom: 10px;
}

.section__rule {
  width: 40px;
  height: 2px;
  background: var(--forest);
  margin: 16px auto 0;
  border: 0;
}

/* ---------- page head ---------- */

.page-head {
  background: var(--bg);
  padding: 56px 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-head__title { font-size: 32px; line-height: 1.35; }

.page-head__en {
  display: block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--forest);
  margin-bottom: 10px;
}

.page-head__lead {
  font-size: 16px;
  color: var(--text-muted);
  margin: 16px 0 0;
}

.page-head__cta { margin-top: 22px; }

/* ---------- privacy note ---------- */

.privacy-note {
  max-width: 680px;
  margin: 28px auto 0;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.privacy-note p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.privacy-note p:last-child { margin-bottom: 0; }

/* ---------- profile page ---------- */

.profile-main {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
  max-width: 940px;
  margin-inline: auto;
}

.profile-main__photo { margin: 0; position: sticky; top: calc(var(--header-h) + 32px); }
.profile-main__photo img { border-radius: 10px; }
.profile-main__photo figcaption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
}

.profile-main__name {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.35;
}
.profile-main__name span { font-size: 17px; letter-spacing: 0.08em; }

.profile-main__role {
  font-size: 15px;
  color: var(--text-muted);
  margin: 6px 0 8px;
}

.profile-h {
  font-size: 18px;
  font-weight: 500;
  margin: 36px 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--forest);
  line-height: 1.5;
}

.profile-main__body p { margin: 0; }

/* ---------- awards ---------- */

.award-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.award-list li {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--white);
  border-radius: 10px;
  padding: 22px 26px;
}
.award-list__rank {
  flex: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
  background: var(--forest);
  border-radius: 5px;
  padding: 7px 14px;
  white-space: nowrap;
}
.award-list__name { font-size: 16px; line-height: 1.7; }
.award-list__note {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---------- concerts ---------- */

.concert-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 760px;
  margin-inline: auto;
}

.concert {
  background: var(--white);
  border: 1px solid #C3CDD3;
  border-radius: 10px;
  padding: 26px 30px;
}

.concert__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.concert__date {
  font-size: 15px;
  font-weight: 500;
  color: var(--forest);
  letter-spacing: 0.04em;
}

.concert__tag {
  font-size: 12px;
  color: var(--navy);
  background: var(--tint);
  border-radius: 4px;
  padding: 3px 10px;
}

.concert__title {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 10px;
}

.concert__info {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

.concert__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--forest);
  text-decoration: none;
  border: 1px solid var(--forest);
  border-radius: 5px;
  padding: 8px 16px;
  transition: background .2s, color .2s;
}
.concert__link:hover { background: var(--forest); color: var(--white); }
.concert__link svg { width: 13px; height: 13px; fill: currentColor; flex: none; }

.concert__detail {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 8px 16px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}
.concert__detail dt {
  color: var(--forest);
  font-weight: 500;
  font-size: 14px;
  padding-top: 1px;
}
.concert__detail dd { margin: 0; color: var(--text-muted); }

.past-list {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 760px;
}
.past-list li {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 20px;
  padding: 20px 4px;
  border-bottom: 1px solid #B9C7C1;
}
.past-list li:first-child { border-top: 1px solid #B9C7C1; }
.past-list__date {
  font-size: 15px;
  font-weight: 500;
  color: var(--forest);
  letter-spacing: 0.02em;
}
.past-list__body { font-size: 16px; line-height: 1.7; }
.past-list__venue { display: block; font-size: 14px; color: var(--text-muted); }

.record-group + .record-group { margin-top: 40px; }
.record-group__year {
  max-width: 760px;
  margin: 0 auto 12px;
  font-size: 20px;
  font-weight: 500;
  color: var(--forest);
  letter-spacing: 0.08em;
}

.note {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 24px;
}

.text-center { text-align: center; }

.link-more {
  display: inline-block;
  margin-top: 32px;
  font-size: 15px;
  color: var(--forest);
  text-decoration: none;
  border-bottom: 1px solid var(--forest);
  padding-bottom: 3px;
}
.link-more:hover { color: var(--forest-dark); border-bottom-color: var(--forest-dark); }

/* ---------- profile teaser ---------- */

.profile-teaser {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: center;
  max-width: 860px;
  margin-inline: auto;
}
.profile-teaser img { border-radius: 10px; }
.profile-teaser p { margin: 0 0 8px; }
.profile-teaser__photo { margin: 0; }
.profile-teaser__photo .photo-credit { margin-bottom: 0; }

/* ---------- gallery ---------- */

.section__lead {
  font-size: 16px;
  color: var(--text-muted);
  margin: 18px auto 0;
  max-width: 560px;
}

/* ---------- sns cards ---------- */

.sns-cards {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 880px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.sns-cards a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 38px 20px 32px;
  text-decoration: none;
  color: var(--navy);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.sns-cards a:hover {
  transform: translateY(-4px);
  border-color: var(--forest);
  box-shadow: 0 6px 20px rgba(22, 50, 79, .10);
}
.sns-cards__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--navy);
  margin-bottom: 16px;
  transition: background .2s;
}
.sns-cards a:hover .sns-cards__icon { background: var(--forest); }
.sns-cards svg { width: 27px; height: 27px; fill: var(--white); }
.sns-cards__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.sns-cards__id { font-size: 13px; color: var(--text-muted); word-break: break-all; }

/* ---------- flyers ---------- */

.flyer-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 940px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 28px 24px;
}

.flyer__thumb {
  aspect-ratio: 1 / 1.414;
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  margin-bottom: 14px;
}
.flyer__thumb img { width: 100%; height: 100%; object-fit: cover; }

.flyer__date {
  font-size: 14px;
  font-weight: 500;
  color: var(--forest);
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}
.flyer__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  color: var(--navy);
  line-height: 1.6;
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}
.flyer__venue {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ---------- service cards ---------- */

.service-cards {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 940px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.service-cards li {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--forest);
  border-radius: 0 0 10px 10px;
  padding: 28px 26px;
}
.service-cards h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
}
.service-cards p { font-size: 15px; line-height: 1.85; margin: 0; }

/* ---------- lesson detail ---------- */

.lesson-detail {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 0;
}
.lesson-detail dt {
  font-weight: 500;
  color: var(--navy);
  padding: 20px 0;
  border-bottom: 1px solid #B9C7C1;
}
.lesson-detail dd {
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px solid #B9C7C1;
  font-size: 16px;
}
.lesson-detail dt:first-of-type,
.lesson-detail dd:first-of-type { border-top: 1px solid #B9C7C1; }

/* ---------- form embed ---------- */

.form-embed { max-width: 680px; margin: 0 auto; }
.form-embed iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
  margin: 0 auto;
}

/* ---------- cta ---------- */

.cta {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 84px 0;
}
.cta h2 { color: var(--white); font-size: 28px; }
.cta p {
  max-width: 560px;
  margin: 18px auto 32px;
  font-size: 16px;
  color: #C7D3DE;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--navy-dark);
  color: var(--white);
  padding: 56px 0 32px;
  text-align: center;
}

.footer__name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
}
.footer__role { font-size: 14px; color: #9BB0C2; margin: 6px 0 28px; }

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}
.footer__nav a { font-size: 14px; color: #C7D3DE; text-decoration: none; }
.footer__nav a:hover { color: var(--white); text-decoration: underline; }

.footer__sns {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 30px;
}
.footer__sns a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  color: var(--white);
  transition: background .2s;
}
.footer__sns a:hover { background: rgba(255,255,255,.14); }
.footer__sns svg { width: 19px; height: 19px; fill: currentColor; }

.footer__legal {
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 22px;
  font-size: 12px;
  color: #7E97AC;
  line-height: 2;
}

/* ---------- mobile sticky cta ---------- */

.sticky-cta { display: none; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__text {
    order: 2;
    padding: 48px 20px 40px;
    width: min(100% - 40px, 1080px);
    margin-inline: auto;
  }
  .hero__media { order: 1; }
  .hero__media img { height: 380px; object-position: center 18%; }
  .profile-teaser { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .profile-teaser img { max-width: 260px; margin-inline: auto; }

  .profile-main { grid-template-columns: 1fr; gap: 32px; }
  .profile-main__photo { position: static; max-width: 300px; margin-inline: auto; }
  .service-cards { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  body { font-size: 17px; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: block;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 24px;
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform .28s ease, visibility 0s .28s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav[data-open="true"] {
    transform: translateY(0);
    visibility: visible;
    transition: transform .28s ease, visibility 0s 0s;
  }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a {
    display: block;
    padding: 16px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav__list a:hover,
  .nav__list a[aria-current="page"] { border-bottom-color: var(--border); }
  .nav .btn { display: block; text-align: center; margin-top: 20px; }
  .header-cta { display: none; }

  .hero__name { font-size: 30px; }
  .hero__name-en { font-size: 16px; }
  .section { padding: 60px 0; }
  .section__title { font-size: 23px; }
  .concert { padding: 22px 20px; }
  .concert__title { font-size: 19px; }
  .cta { padding: 60px 0; }
  .cta h2 { font-size: 22px; }

  .page-head { padding: 40px 0; }
  .page-head__title { font-size: 24px; }
  .profile-main__name { font-size: 24px; }
  .profile-h { font-size: 17px; margin-top: 30px; }
  .concert__detail { grid-template-columns: 1fr; gap: 2px; }
  .concert__detail dt { padding-top: 10px; }
  .concert__detail dd { padding-bottom: 6px; }
  .past-list li { grid-template-columns: 1fr; gap: 4px; }
  .lesson-detail { grid-template-columns: 1fr; }
  .lesson-detail dt { padding: 16px 0 0; border-bottom: 0; }
  .lesson-detail dd { padding: 4px 0 16px; }
  .lesson-detail dd:first-of-type { border-top: 0; }
  .flyer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 14px; }
  .sns-cards { grid-template-columns: 1fr; }
  .sns-cards a { flex-direction: row; justify-content: center; gap: 10px; padding: 20px 16px; }
  .sns-cards svg { margin-bottom: 0; }
  .award-list li { flex-direction: column; align-items: flex-start; gap: 12px; }

  body:has(.sticky-cta) { padding-bottom: 88px; }
  .sticky-cta {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    background: rgba(255,255,255,.96);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
  }
  .sticky-cta .btn { display: block; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
