@charset "UTF-8";
/* =========================================================
   演奏科学・音楽心理学研究室 / Performance Science & Music Psychology Lab
   Palette & type reference: www.ritsumei.ac.jp/shs/10th/
   ========================================================= */

:root {
  --navy:        #344B56;
  --navy-deep:   #252829;
  --navy-soft:   #4a636f;
  --gold:        #A87A22;
  --gold-light:  #DE9C22;
  --ink:         #333333;
  --grey:        #8D959B;
  --grey-mid:    #939393;
  --line:        #CDD1D4;
  --line-soft:   #e6e9eb;
  --bg:          #FFFFFF;
  --bg-alt:      #F7F7F7;

  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --display: "Jost", "Noto Sans JP", sans-serif;

  --wrap: 1080px;
  --header-h: 76px;
  --ease: cubic-bezier(0.38, 0.52, 0.23, 0.99);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "palt" 1;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--gold); }
:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

.wrap { width: min(100% - 3rem, var(--wrap)); margin-inline: auto; }
.wrap--wide { width: min(100% - 3rem, 1280px); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--navy); color: #fff; padding: .8rem 1.4rem;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------------------------------------------------------
   Header
   --------------------------------------------------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 2px 18px rgba(37,40,41,.07); }
.site-header__inner {
  height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.brand { display: flex; align-items: center; gap: .9rem; flex-shrink: 0; }
.brand img { height: 34px; width: auto; }
.brand__ja {
  font-size: 11px; line-height: 1.35; letter-spacing: .04em; color: var(--grey);
  border-left: 1px solid var(--line); padding-left: .9rem;
}
@media (max-width: 900px) { .brand__ja { display: none; } }

.gnav { display: flex; align-items: stretch; }
.gnav__list { display: flex; list-style: none; margin: 0; padding: 0; gap: clamp(.6rem, 2vw, 1.7rem); }
.gnav__link {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: .35rem .2rem; position: relative; color: var(--navy);
}
.gnav__en {
  font-family: var(--display); font-size: 13px; font-weight: 500;
  letter-spacing: .09em; line-height: 1.2;
}
.gnav__ja { font-size: 9.5px; letter-spacing: .05em; color: var(--grey); line-height: 1.2; transition: color .25s var(--ease); }
.gnav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--gold); transform: scaleX(0); transform-origin: center;
  transition: transform .35s var(--ease);
}
.gnav__link:hover::after, .gnav__link.is-active::after { transform: scaleX(1); }
.gnav__link:hover .gnav__ja { color: var(--gold); }

.nav-toggle {
  display: none; width: 46px; height: 46px; border: 0; padding: 0; cursor: pointer;
  background: var(--navy); border-radius: 2px; position: relative;
}
.nav-toggle span {
  position: absolute; left: 13px; width: 20px; height: 1.5px; background: #fff;
  transition: transform .35s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 22.5px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .gnav {
    position: fixed; inset: var(--header-h) 0 0 0; background: var(--navy);
    display: block; padding: 2rem 1.5rem 4rem; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
  }
  .gnav.is-open { opacity: 1; visibility: visible; transform: none; }
  .gnav__list { flex-direction: column; gap: 0; }
  .gnav__list li { border-bottom: 1px solid rgba(255,255,255,.14); }
  .gnav__link { flex-direction: row; align-items: baseline; gap: .9rem; padding: 1.05rem .3rem; color: #fff; }
  .gnav__en { font-size: 17px; }
  .gnav__ja { color: rgba(255,255,255,.62); font-size: 11px; }
  .gnav__link::after { display: none; }
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero {
  position: relative; min-height: min(88vh, 780px);
  display: flex; align-items: flex-end;
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
  overflow: hidden;
  background: radial-gradient(125% 105% at 74% 44%, #3e5a69 0%, #2e4451 46%, #1c2932 100%);
}
.hero__canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(100deg, rgba(28,41,50,.9) 0%, rgba(28,41,50,.66) 30%, rgba(28,41,50,0) 60%),
    linear-gradient(to top, rgba(28,41,50,.66), transparent 42%);
}
.hero__inner { position: relative; z-index: 2; color: #fff; pointer-events: none; }
.hero__hud {
  position: absolute; right: 1.6rem; top: calc(var(--header-h) + 1.8rem); z-index: 2;
  text-align: right; font-family: var(--display); font-size: 9.5px; font-weight: 400;
  letter-spacing: .22em; text-transform: uppercase; line-height: 2.1;
  color: rgba(255,255,255,.5); pointer-events: none;
}
.hero__hud b { display: block; font-weight: 500; color: rgba(255,255,255,.82); }
.hero__hud .rec {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold-light); margin-right: .45rem; vertical-align: middle;
  animation: rec-blip 2.2s ease-in-out infinite;
}
@keyframes rec-blip { 0%, 100% { opacity: 1; } 50% { opacity: .18; } }
@media (max-width: 820px) { .hero__hud { display: none; } }
.hero__eyebrow {
  font-family: var(--display); font-size: clamp(11px, 1.4vw, 13px); font-weight: 500;
  letter-spacing: .34em; text-transform: uppercase; color: var(--gold-light); margin: 0 0 1.4rem;
}
.hero__title {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(2.5rem, 7.2vw, 5.6rem); line-height: 1.02; letter-spacing: .005em;
  margin: 0; color: #fff;
}
.hero__title em { display: block; font-style: normal; color: rgba(255,255,255,.72); }
.hero__rule { width: 74px; height: 2px; background: var(--gold-light); margin: 2rem 0 1.6rem; }
.hero__ja {
  font-family: var(--sans); font-size: clamp(1rem, 2.3vw, 1.4rem); font-weight: 400;
  letter-spacing: .12em; margin: 0; color: #fff;
}
.hero__affil { margin: .7rem 0 0; font-size: 13px; letter-spacing: .09em; color: rgba(255,255,255,.68); }
.hero__scroll {
  position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%); z-index: 2;
  font-family: var(--display); font-size: 10px; letter-spacing: .26em; color: rgba(255,255,255,.75);
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
}
.hero__scroll::after {
  content: ""; width: 1px; height: 42px;
  background: linear-gradient(to bottom, var(--gold-light), rgba(255,255,255,0));
}
@media (max-width: 640px) { .hero__scroll { display: none; } }

/* ---------------------------------------------------------
   Section framing
   --------------------------------------------------------- */
.section { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.section--alt { background: var(--bg-alt); }
.section--navy { background: var(--navy); color: #fff; }

.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head__en {
  font-family: var(--display); font-weight: 400; color: var(--navy);
  font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.05; letter-spacing: .01em; margin: 0;
}
.sec-head__ja {
  color: var(--gold); font-size: clamp(15px, 1.9vw, 19px); font-weight: 500;
  letter-spacing: .1em; margin: .5rem 0 0;
}
.section--navy .sec-head__en { color: #fff; }
.section--navy .sec-head__ja { color: var(--gold-light); }

.sub-head {
  font-family: var(--sans); font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 700;
  color: var(--navy); letter-spacing: .06em; margin: 0 0 1.2rem;
  padding-left: .85rem; border-left: 3px solid var(--gold);
  line-height: 1.5;
}
.sub-head + .lead { margin-top: -.4rem; }

.lead { font-size: clamp(1rem, 1.6vw, 1.075rem); line-height: 2.15; margin: 0 0 1.6rem; }
p { margin: 0 0 1.4rem; }
p:last-child { margin-bottom: 0; }

.note {
  font-size: 14px; line-height: 1.9; color: var(--grey-mid);
  border-top: 1px solid var(--line-soft); padding-top: 1.3rem; margin-top: 2rem;
}
.note p { margin: 0 0 .5rem; }
.note p:last-child { margin: 0; }

.stack > * + * { margin-top: clamp(2.8rem, 5vw, 4.2rem); }

/* ---------------------------------------------------------
   About
   --------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

.figure { margin: 0; }
.figure img { border: 1px solid var(--line-soft); }
.figure figcaption {
  font-size: 12.5px; color: var(--grey-mid); letter-spacing: .05em; margin-top: .7rem; line-height: 1.7;
}

.pill-links { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; list-style: none; padding: 0; }
.pill {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1px solid var(--line); padding: .55rem 1.1rem; font-size: 13.5px;
  letter-spacing: .06em; color: var(--navy); background: #fff;
  transition: background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}
.pill::after { content: "→"; font-size: 12px; transition: transform .28s var(--ease); }
.pill:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.pill:hover::after { transform: translateX(3px); }

/* ---------------------------------------------------------
   News
   --------------------------------------------------------- */
.news { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news > li {
  display: grid; grid-template-columns: 130px 1fr; gap: 0 1.8rem;
  padding: 1.7rem 0; border-bottom: 1px solid var(--line);
}
@media (max-width: 640px) { .news > li { grid-template-columns: 1fr; gap: .5rem; } }
.news__date {
  font-family: var(--display); font-size: 14px; letter-spacing: .1em; color: var(--gold);
  font-weight: 500; padding-top: .28rem;
}
.news__body { margin: 0; font-size: 15.5px; line-height: 1.95; }
.news__body a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line); }

/* ---------------------------------------------------------
   Members
   --------------------------------------------------------- */
.pi-card {
  display: grid; grid-template-columns: auto 1fr; gap: 0 2rem; align-items: center;
  background: #fff; border: 1px solid var(--line-soft); border-left: 4px solid var(--navy);
  padding: clamp(1.6rem, 3vw, 2.3rem) clamp(1.5rem, 3vw, 2.4rem);
}
@media (max-width: 640px) { .pi-card { grid-template-columns: 1fr; gap: 1rem; } }
.pi-card__label {
  font-family: var(--display); font-size: 12px; letter-spacing: .22em; color: var(--gold);
  writing-mode: horizontal-tb; padding-right: 2rem; border-right: 1px solid var(--line-soft);
  align-self: stretch; display: flex; align-items: center; font-weight: 500;
}
@media (max-width: 640px) { .pi-card__label { border-right: 0; border-bottom: 1px solid var(--line-soft); padding: 0 0 .8rem; } }
.pi-card__name { font-size: clamp(1.3rem, 3vw, 1.65rem); font-weight: 700; color: var(--navy); margin: 0; letter-spacing: .08em; }
.pi-card__name span { font-family: var(--display); font-weight: 400; font-size: .68em; color: var(--grey); margin-left: .8rem; letter-spacing: .05em; }
.pi-card__meta { margin: .5rem 0 0; font-size: 14.5px; color: var(--ink); line-height: 1.8; }
.pi-card__links { margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: .6rem; }

.cohort-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px;
  background: var(--line-soft); border: 1px solid var(--line-soft); margin-top: 1.6rem;
}
.cohort { background: #fff; padding: 1.6rem 1.5rem; }
.section--alt .cohort { background: #fff; }
.cohort__title {
  font-family: var(--display); font-size: 12px; letter-spacing: .18em; color: var(--gold);
  margin: 0 0 .2rem; font-weight: 500;
}
.cohort__ja { font-size: 14px; font-weight: 700; color: var(--navy); margin: 0 0 .9rem; letter-spacing: .05em; }
.cohort ul { list-style: none; margin: 0; padding: 0; font-size: 14.5px; line-height: 1.9; }
.cohort li { display: flex; gap: .7rem; }
.cohort li b { font-family: var(--display); font-weight: 500; color: var(--navy); min-width: 2.2em; }

.class-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3rem); }
@media (max-width: 760px) { .class-grid { grid-template-columns: 1fr; } }
.class-list { list-style: none; margin: 0; padding: 0; }
.class-list li {
  padding: .8rem 0 .8rem 1.4rem; border-bottom: 1px dashed var(--line);
  font-size: 14.5px; line-height: 1.85; position: relative;
}
.class-list li::before {
  content: ""; position: absolute; left: 0; top: 1.5rem; width: 6px; height: 1px; background: var(--gold);
}

/* ---------------------------------------------------------
   Facilities
   --------------------------------------------------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 2.4rem; }
.spec-table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 14.5px; }
.spec-table th, .spec-table td { text-align: left; padding: 1rem 1.2rem; vertical-align: top; line-height: 1.8; }
.spec-table thead th { background: var(--navy); color: #fff; font-weight: 500; letter-spacing: .08em; font-size: 13px; }
.spec-table tbody tr { border-bottom: 1px solid var(--line-soft); background: #fff; }
.spec-table tbody th { font-weight: 500; color: var(--navy); width: 46%; }
.spec-table tbody th .en { display: block; font-family: var(--display); font-size: 11.5px; color: var(--grey); letter-spacing: .05em; margin-top: .15rem; }

/* ---------------------------------------------------------
   Accordions (thesis / publications / abstracts)
   --------------------------------------------------------- */
.acc { border-top: 1px solid var(--line); }
.acc > details { border-bottom: 1px solid var(--line); }
.acc > details > summary {
  list-style: none; cursor: pointer; padding: 1.35rem .3rem; position: relative;
  display: flex; align-items: baseline; gap: 1rem; padding-right: 3rem;
  transition: color .25s var(--ease);
}
.acc > details > summary::-webkit-details-marker { display: none; }
.acc > details > summary:hover { color: var(--gold); }
.acc__year { font-family: var(--display); font-size: clamp(1.15rem, 2.5vw, 1.5rem); font-weight: 400; color: var(--navy); letter-spacing: .04em; }
.acc > details[open] > summary .acc__year { color: var(--gold); }
.acc__meta { font-size: 13px; color: var(--grey); letter-spacing: .06em; }
.acc > details > summary::after {
  content: ""; position: absolute; right: .6rem; top: 50%; width: 11px; height: 11px;
  border-right: 1.5px solid var(--navy); border-bottom: 1.5px solid var(--navy);
  transform: translateY(-70%) rotate(45deg); transition: transform .35s var(--ease), border-color .25s var(--ease);
}
.acc > details[open] > summary::after { transform: translateY(-20%) rotate(-135deg); border-color: var(--gold); }
.acc__body { padding: .3rem .3rem 2.2rem; }

.deg-group { margin-bottom: 1.8rem; }
.deg-group:last-child { margin-bottom: 0; }
.deg-group__title {
  font-size: 13.5px; font-weight: 700; color: var(--navy); letter-spacing: .06em;
  margin: 0 0 .7rem; padding-bottom: .5rem; border-bottom: 1px solid var(--line-soft);
}
.thesis-list { list-style: none; margin: 0; padding: 0; }
.thesis-list li {
  font-size: 14.5px; line-height: 1.9; padding: .5rem 0 .5rem 1.5rem; position: relative;
}
.thesis-list li::before {
  content: ""; position: absolute; left: .3rem; top: 1.05rem; width: 5px; height: 5px;
  border-radius: 50%; background: var(--gold); opacity: .65;
}
.award { display: inline-block; font-size: 11.5px; letter-spacing: .08em; color: var(--gold); border: 1px solid var(--gold); padding: .05rem .5rem; margin-left: .4rem; white-space: nowrap; }
.badge { display: inline-block; font-size: 11.5px; letter-spacing: .08em; color: var(--grey-mid); border: 1px solid var(--line); padding: .05rem .5rem; margin-left: .4rem; white-space: nowrap; }

.pub-list { list-style: none; counter-reset: pub; margin: 0; padding: 0; }
.pub-list > li {
  counter-increment: pub; position: relative; padding: .95rem 0 .95rem 3rem;
  border-bottom: 1px solid var(--line-soft); font-size: 14.5px; line-height: 1.85;
}
.pub-list > li:last-child { border-bottom: 0; }
.pub-list > li::before {
  content: counter(pub, decimal-leading-zero); position: absolute; left: 0; top: 1.05rem;
  font-family: var(--display); font-size: 12px; color: var(--gold); letter-spacing: .05em;
}
.pub__authors { font-weight: 500; color: var(--navy); }
.pub__date { color: var(--grey); font-size: 13px; }
.pub__title { display: block; }
.pub__title a {
  color: inherit; text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: var(--line); text-decoration-thickness: 1px;
}
.pub__title a:hover { color: var(--gold); text-decoration-color: var(--gold); }
.pub__title a::after { content: "↗"; font-size: .8em; margin-left: .3em; color: var(--gold); vertical-align: .05em; }
.pub__venue { display: block; font-size: 13.5px; color: var(--grey-mid); }
.pub__venue em { font-style: italic; }
.pub__doc { color: var(--grey); }
.pub__doi { font-family: var(--display); font-size: 12.5px; letter-spacing: .02em; color: var(--grey); }
.pub__doi a { color: var(--navy-soft); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--line); word-break: break-all; }
.pub__doi a:hover { color: var(--gold); text-decoration-color: var(--gold); }

/* ---------------------------------------------------------
   Lecture card
   --------------------------------------------------------- */
.lecture {
  display: grid; grid-template-columns: 280px 1fr; gap: clamp(1.8rem, 4vw, 3.2rem);
  background: #fff; border: 1px solid var(--line-soft); padding: clamp(1.6rem, 3.5vw, 2.6rem);
}
@media (max-width: 800px) { .lecture { grid-template-columns: 1fr; } }
.lecture__badge {
  display: inline-block; font-family: var(--display); font-size: 11px; letter-spacing: .2em;
  color: #fff; background: var(--grey); padding: .2rem .7rem; margin-bottom: .9rem;
}
.lecture__title { font-size: clamp(1.15rem, 2.4vw, 1.45rem); font-weight: 700; color: var(--navy); margin: 0 0 1rem; line-height: 1.6; letter-spacing: .04em; }
.dl-meta { margin: 0 0 1.4rem; font-size: 14.5px; }
.dl-meta > div { display: grid; grid-template-columns: 7.5em 1fr; gap: .4rem 1.2rem; padding: .6rem 0; border-bottom: 1px solid var(--line-soft); }
@media (max-width: 560px) { .dl-meta > div { grid-template-columns: 1fr; gap: .1rem; } }
.dl-meta dt { font-size: 12.5px; color: var(--gold); letter-spacing: .08em; font-weight: 500; padding-top: .2rem; }
.dl-meta dd { margin: 0; line-height: 1.85; }
.abstract { font-size: 14px; line-height: 1.95; color: #4a4a4a; }

/* ---------------------------------------------------------
   Link list (講演会などの一覧)
   --------------------------------------------------------- */
.link-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.link-list li { border-bottom: 1px solid var(--line); }
.link-list a {
  display: grid; grid-template-columns: 118px 1fr auto; gap: 0 1.6rem; align-items: baseline;
  padding: 1.5rem .2rem; color: var(--ink);
}
@media (max-width: 640px) { .link-list a { grid-template-columns: 1fr auto; gap: .4rem 1rem; }
  .link-list__date { grid-column: 1 / -1; } }
.link-list__date {
  font-family: var(--display); font-size: 14px; font-weight: 500; letter-spacing: .1em;
  color: var(--gold);
}
.link-list__title { display: block; font-size: 15.5px; font-weight: 700; color: var(--navy); line-height: 1.6; letter-spacing: .03em; }
.link-list__desc { display: block; font-size: 13.5px; color: var(--grey-mid); line-height: 1.9; margin-top: .35rem; }
.link-list a::after { content: "→"; color: var(--gold); font-size: 14px; align-self: center; transition: transform .28s var(--ease); }
.link-list a:hover .link-list__title { color: var(--gold); }
.link-list a:hover::after { transform: translateX(4px); }

/* ---------------------------------------------------------
   Scales
   --------------------------------------------------------- */
.scale-item { padding: 1.8rem 0; border-bottom: 1px solid var(--line); }
.scale-item:first-of-type { border-top: 1px solid var(--line); }
.scale-item__name { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin: 0 0 .5rem; letter-spacing: .04em; line-height: 1.6; }
.scale-item p { font-size: 14.5px; margin: 0 0 .9rem; }
.cite {
  font-size: 13.5px; line-height: 1.9; color: #4a4a4a; background: var(--bg-alt);
  border-left: 2px solid var(--gold); padding: 1rem 1.2rem; margin: 0;
}
.section--alt .cite { background: #fff; }
.cite em { font-style: italic; }
.cite a { text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }

/* ---------------------------------------------------------
   Contact
   --------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.mail-block { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); padding: 1.8rem; }
.mail-block__label { font-family: var(--display); font-size: 11px; letter-spacing: .2em; color: var(--gold-light); margin: 0 0 1rem; }
.mail-block img { background: #fff; padding: .55rem .9rem; max-width: 320px; }
.mail-block__note { font-size: 12.5px; color: rgba(255,255,255,.6); margin: .9rem 0 0; line-height: 1.8; }
.section--navy .lead { color: rgba(255,255,255,.88); }
.guide-list { list-style: none; margin: 0; padding: 0; }
.guide-list li { border-bottom: 1px solid rgba(255,255,255,.16); }
.guide-list li:first-child { border-top: 1px solid rgba(255,255,255,.16); }
.guide-list a {
  display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center;
  padding: 1.25rem .2rem; color: #fff;
}
.guide-list a:hover { color: var(--gold-light); }
.guide-list__title { font-size: 15px; font-weight: 500; letter-spacing: .04em; line-height: 1.6; }
.guide-list__desc { display: block; font-size: 12.5px; color: rgba(255,255,255,.58); font-weight: 400; margin-top: .2rem; line-height: 1.7; }
.guide-list a::after { content: "→"; color: var(--gold-light); font-size: 14px; transition: transform .28s var(--ease); }
.guide-list a:hover::after { transform: translateX(4px); }

.sns-block {
  display: grid; grid-template-columns: 160px 1fr; gap: 1.6rem; align-items: center;
  margin-top: 2.4rem;   /* 上の guide-list が罫線で終わるので、ここは罫線なし */
}
.sns-block__qr { width: 160px; height: auto; border-radius: 12px; }
.sns-block__text { font-size: 13.5px; color: rgba(255,255,255,.72); margin: 0 0 .6rem; line-height: 1.8; }
.sns-block__link {
  font-family: var(--display); font-size: 15px; font-weight: 500; letter-spacing: .04em; color: #fff;
  border-bottom: 1px solid var(--gold-light); padding-bottom: 1px;
}
.sns-block__link:hover { color: var(--gold-light); }
@media (max-width: 560px) {
  .sns-block { grid-template-columns: 96px 1fr; gap: 1rem; }
  .sns-block__qr { width: 96px; }
}

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.72); padding: clamp(3rem, 6vw, 4.5rem) 0 2rem; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.13); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo { height: 40px; width: auto; margin-bottom: 1.3rem; }
.footer-addr { font-style: normal; line-height: 2; font-size: 13.5px; letter-spacing: .04em; }
.footer-nav { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 2rem; }
@media (max-width: 480px) { .footer-nav { columns: 1; } }
.footer-nav li { break-inside: avoid; margin-bottom: .55rem; }
.footer-nav a { color: rgba(255,255,255,.72); font-size: 13.5px; letter-spacing: .04em; }
.footer-nav a:hover { color: var(--gold-light); }
.copyright { margin: 1.8rem 0 0; font-size: 11.5px; letter-spacing: .07em; color: rgba(255,255,255,.42); }

.to-top {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 90;
  width: 46px; height: 46px; background: var(--navy); color: #fff;
  display: grid; place-items: center; opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s, background .25s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--gold); color: #fff; }
.to-top::before { content: ""; width: 10px; height: 10px; border-top: 1.5px solid currentColor; border-left: 1.5px solid currentColor; transform: translateY(2px) rotate(45deg); }

/* ---------------------------------------------------------
   Sub pages
   --------------------------------------------------------- */
.page-hero { background: var(--navy); color: #fff; padding: calc(var(--header-h) + clamp(3rem, 7vw, 5.5rem)) 0 clamp(2.6rem, 6vw, 4.5rem); }
.page-hero__en { font-family: var(--display); font-size: clamp(2rem, 5.5vw, 3.6rem); font-weight: 400; letter-spacing: .02em; margin: 0; line-height: 1.1; }
.page-hero__ja { font-size: clamp(1rem, 2.2vw, 1.2rem); font-weight: 500; color: var(--gold-light); margin: .9rem 0 0; letter-spacing: .08em; line-height: 1.6; }
.crumbs { font-size: 12px; letter-spacing: .06em; color: var(--grey); padding: 1.1rem 0; border-bottom: 1px solid var(--line-soft); }
.crumbs a { color: var(--grey); }
.crumbs a:hover { color: var(--gold); }
.crumbs span + span::before { content: "／"; margin: 0 .5rem; color: var(--line); }

.prose { max-width: 800px; }
.prose h2 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); font-weight: 700; color: var(--navy); letter-spacing: .06em; margin: 3rem 0 1.1rem; padding-left: .85rem; border-left: 3px solid var(--gold); line-height: 1.5; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.02rem; font-weight: 700; color: var(--navy); margin: 2.2rem 0 .8rem; letter-spacing: .05em; }
.prose ul { margin: 0 0 1.6rem; padding: 0; list-style: none; }
.prose ul > li { position: relative; padding: .55rem 0 .55rem 1.5rem; line-height: 1.95; font-size: 15.5px; border-bottom: 1px solid var(--line-soft); }
.prose ul > li::before { content: ""; position: absolute; left: .3rem; top: 1.15rem; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); opacity: .7; }
.prose u { text-decoration: none; background: linear-gradient(transparent 62%, rgba(222,156,34,.32) 0); font-weight: 500; }
.prose strong { color: var(--navy); }

.callout { background: var(--bg-alt); border-left: 3px solid var(--navy); padding: 1.4rem 1.6rem; margin: 0 0 2.4rem; font-size: 15px; line-height: 1.95; }

.photo-note { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; margin: 1.2rem 0 2.6rem; }
.photo-note figure { margin: 0; display: flex; justify-content: center; }
.photo-note img { width: auto; max-width: 100%; max-height: 560px; border: 1px solid var(--line-soft); }

.back-link { display: inline-flex; align-items: center; gap: .6rem; margin-top: 3.5rem; font-size: 14px; letter-spacing: .06em; color: var(--navy); }
.back-link::before { content: "←"; transition: transform .28s var(--ease); }
.back-link:hover::before { transform: translateX(-3px); }