@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,500&family=Sarabun:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@600;700&display=swap');

:root{
  --ivory:#FBF3E7;
  --ivory-deep:#F3E6D2;
  --indigo:#161B33;
  --indigo-soft:#232A4D;
  --saffron:#F2A00C;
  --gold:#C9A227;
  --lacquer:#A8293C;
  --jade:#0E6E55;
  --ink:#2A2116;
  --paper-line: rgba(42,33,22,0.12);
  --shadow: 0 18px 40px rgba(22,27,51,0.18);
  --radius: 4px;
  --max: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--ink);
  font-family:'Sarabun','Noto Sans JP',sans-serif;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Fraunces','Noto Serif JP',serif;
  color:var(--indigo);
  line-height:1.25;
  margin:0 0 .5em;
  letter-spacing:.01em;
}
h1{font-weight:700;}
h2{font-weight:600;}
p{margin:0 0 1em;}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* language toggle visibility */
html[data-lang="ja"] .en{display:none;}
html[data-lang="en"] .ja{display:none;}
html[data-lang="ja"]{}
[lang-tag]{}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(22,27,51,0.98);
  border-bottom:1px solid rgba(201,162,39,0.35);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:flex-start;
  height:68px;max-width:none;margin:0;padding:0 32px;gap:36px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  color:var(--ivory);text-decoration:none;
  flex:1 1 auto;min-width:0;overflow:hidden;
}
.brand svg{flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;overflow:hidden;}
.brand-text .title{
  font-family:'Fraunces','Noto Serif JP',serif;
  font-size:1.2rem;font-weight:700;letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-text .sub{
  display:block;font-family:'Sarabun','Noto Sans JP',sans-serif;
  font-size:.6rem;letter-spacing:.2em;color:var(--saffron);
  font-weight:600;text-transform:uppercase;margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
nav.main-nav{display:none;}
nav.main-nav a{
  color:rgba(251,243,231,0.82);
  text-decoration:none;
  font-size:.86rem;
  padding:8px 12px;
  border-radius:3px;
  white-space:nowrap;
  transition:color .15s, background .15s;
}
nav.main-nav a:hover{color:var(--ivory);background:rgba(242,160,12,0.14);}
nav.main-nav a.active{color:var(--saffron);}
#navToggle{
  display:flex;background:none;border:0;color:var(--ivory);font-size:1.5rem;
  cursor:pointer;padding:4px 8px;align-items:center;flex:0 0 auto;
}
.nav-scroll{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.mobile-nav-open nav.main-nav{
  display:flex;flex-direction:column;position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--indigo);
  padding:20px 24px;overflow-y:auto;gap:4px;z-index:60;
}
.mobile-nav-open nav.main-nav a{padding:14px 4px;border-bottom:1px solid rgba(251,243,231,.1);font-size:1rem;}

/* Full-width screens: show nav inline, hide the toggle */
@media (min-width:1300px){
  nav.main-nav{
    display:flex;align-items:center;gap:2px;position:static;background:none;
    padding:0;overflow:visible;flex:0 1 auto;min-width:0;
  }
  nav.main-nav a{padding:8px 10px;font-size:.8rem;border-bottom:none;}
  #navToggle{display:none;}
  .nav-scroll{flex:0 1 auto;justify-content:flex-start;}
}
@media (max-width:600px){
  .site-header .wrap{padding:0 14px;gap:10px;}
  .brand-text .sub{display:none;}
  .brand-text .title{font-size:1.02rem;}
  .lang-switch{margin-left:6px;}
  .lang-switch button{padding:6px 9px;font-size:.72rem;}
  #navToggle{font-size:1.3rem;padding:4px 4px;}
}
.lang-switch{
  display:flex;border:1px solid rgba(201,162,39,0.55);border-radius:20px;overflow:hidden;flex:0 0 auto;margin-left:14px;
}
.lang-switch button{
  background:transparent;border:0;color:rgba(251,243,231,0.7);
  font-family:'Sarabun','Noto Sans JP',sans-serif;font-size:.78rem;font-weight:600;
  padding:7px 14px;cursor:pointer;transition:all .15s;
}
.lang-switch button.active{background:var(--saffron);color:var(--indigo);}

/* ===== Hero ===== */
.hero{
  position:relative;color:var(--ivory);
  min-height:64vh;display:flex;align-items:flex-end;
  background-size:cover;background-position:center;
  isolation:isolate;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg, rgba(22,27,51,.35) 0%, rgba(22,27,51,.55) 55%, rgba(16,20,40,.94) 100%);
}
.hero-inner{padding:64px 24px 46px;max-width:var(--max);margin:0 auto;width:100%;}
.eyebrow{
  display:inline-block;color:var(--saffron);font-weight:600;
  letter-spacing:.28em;font-size:.72rem;text-transform:uppercase;margin-bottom:14px;
}
.hero h1{color:var(--ivory);font-size:clamp(2.1rem,5vw,3.6rem);max-width:820px;}
.hero p.lead{color:rgba(251,243,231,.88);font-size:1.08rem;max-width:640px;margin-top:10px;}

.page-hero{min-height:40vh;}

/* ===== Garland divider — signature element ===== */
.garland{
  display:flex;justify-content:center;align-items:center;gap:0;
  margin:8px 0 0;height:26px;overflow:hidden;
}
.garland svg{display:block;height:26px;width:auto;}

/* ===== Sections ===== */
main{display:block;}
.section{padding:64px 0;}
.section.alt{background:var(--ivory-deep);}
.section.dark{background:var(--indigo);color:var(--ivory);}
.section.dark h2, .section.dark h3{color:var(--ivory);}
.section.dark .plaque h3{color:var(--lacquer);}
.section.dark .plaque p{color:#443a2c;}
.section.dark .note{color:var(--ink);}
.section.dark .note strong{color:var(--lacquer);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head .kicker{
  color:var(--lacquer);font-weight:600;letter-spacing:.18em;
  font-size:.72rem;text-transform:uppercase;display:block;margin-bottom:10px;
}
.section.dark .section-head .kicker{color:var(--saffron);}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);}

/* ===== Cards / grid ===== */
.grid{display:grid;gap:26px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}
}

.card{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 4px 14px rgba(22,27,51,0.06);
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.card .card-body{padding:18px 20px 22px;}
.card h3{font-size:1.08rem;margin-bottom:6px;}
.card p{font-size:.92rem;color:#443a2c;margin-bottom:0;}
.card .tag{
  display:inline-block;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--jade);font-weight:700;margin-bottom:8px;
}

.plaque{
  border:1px solid rgba(201,162,39,0.5);
  background:linear-gradient(180deg,#fff, var(--ivory-deep));
  border-radius:var(--radius);padding:26px 24px;
  color:var(--ink);
}
.plaque h3{font-size:1.05rem;color:var(--lacquer);margin-bottom:6px;}
.plaque p{color:#443a2c;font-size:.92rem;margin-bottom:0;}

/* nav index cards on homepage */
.nav-card{
  position:relative;color:var(--ivory);text-decoration:none;display:block;
  aspect-ratio:5/4;background-size:cover;background-position:center;
  border-radius:var(--radius);overflow:hidden;
}
.nav-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,27,51,.05),rgba(16,19,38,.88));}
.nav-card .label{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;z-index:2;}
.nav-card .label .num{color:var(--saffron);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;display:block;margin-bottom:4px;}
.nav-card h3{color:var(--ivory);font-size:1.12rem;margin-bottom:0;}
.nav-card:hover .label{}
.nav-card:hover{outline:2px solid var(--saffron);}

/* ===== Table ===== */
table{width:100%;border-collapse:collapse;font-size:.94rem;}
th,td{padding:11px 14px;border-bottom:1px solid var(--paper-line);text-align:left;}
thead th{
  background:var(--indigo);color:var(--ivory);font-family:'Sarabun','Noto Sans JP',sans-serif;
  font-weight:600;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
}
tbody tr:nth-child(even){background:rgba(201,162,39,0.06);}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--paper-line);}
.table-wrap table{margin:0;}
.table-wrap thead th:first-child{border-top-left-radius:var(--radius);}

/* ===== Currency converter box ===== */
.convert-box{
  background:var(--indigo);color:var(--ivory);border-radius:var(--radius);
  padding:30px 28px;display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:end;
}
.convert-box label{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--saffron);margin-bottom:8px;}
.convert-box input{
  width:100%;padding:12px 14px;border-radius:3px;border:1px solid rgba(251,243,231,.3);
  background:rgba(251,243,231,.06);color:var(--ivory);font-size:1.15rem;font-family:'Sarabun','Noto Sans JP',sans-serif;
}
.convert-box .eq{font-size:1.4rem;color:var(--saffron);text-align:center;padding-bottom:10px;}
@media (max-width:640px){.convert-box{grid-template-columns:1fr;}
.convert-box .eq{text-align:left;padding-bottom:0;}}

/* ===== timeline (history) ===== */
.timeline{border-left:2px solid rgba(201,162,39,0.5);margin-left:6px;}
.tl-item{position:relative;padding:0 0 40px 30px;}
.tl-item::before{
  content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--saffron);border:2px solid var(--indigo);
}
.tl-item .era{color:var(--lacquer);font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;display:block;margin-bottom:4px;}
.tl-item h3{margin-bottom:6px;font-size:1.2rem;}

/* ===== Pull quote / note ===== */
.note{
  border-left:3px solid var(--saffron);background:var(--ivory-deep);
  padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;font-size:.92rem;
  color:var(--ink);
}
.note strong{color:var(--lacquer);}

/* ===== two-col split ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
@media (max-width:860px){.split{grid-template-columns:1fr;}}
.split img{border-radius:var(--radius);box-shadow:var(--shadow);}
.split.reverse{direction:rtl;}
.split.reverse > *{direction:ltr;}

/* ===== Footer ===== */
footer{background:var(--indigo);color:rgba(251,243,231,.7);padding:46px 0 30px;}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;}
footer a{color:rgba(251,243,231,.75);text-decoration:none;font-size:.88rem;}
footer a:hover{color:var(--saffron);}
footer .foot-links{display:flex;flex-wrap:wrap;gap:14px 22px;}
footer .credit{width:100%;margin-top:26px;padding-top:18px;border-top:1px solid rgba(251,243,231,.14);font-size:.76rem;color:rgba(251,243,231,.45);}

/* buttons */
.btn{
  display:inline-block;background:var(--saffron);color:var(--indigo);
  font-weight:700;padding:12px 24px;border-radius:3px;text-decoration:none;font-size:.92rem;
  border:1px solid var(--saffron);transition:all .15s;
}
.btn:hover{background:transparent;color:var(--saffron);}
.btn.outline{background:transparent;color:var(--ivory);border-color:rgba(251,243,231,.5);}
.btn.outline:hover{background:rgba(251,243,231,.1);}

/* misc */
.small-caption{font-size:.78rem;color:#6b6050;margin-top:6px;}
ul.checklist{list-style:none;padding:0;margin:0;}
ul.checklist li{position:relative;padding-left:24px;margin-bottom:10px;}
ul.checklist li::before{content:"◆";position:absolute;left:0;top:0;color:var(--saffron);font-size:.7rem;top:.35em;}
.breadcrumb{font-size:.78rem;color:rgba(251,243,231,.6);margin-bottom:10px;}
.breadcrumb a{color:rgba(251,243,231,.6);text-decoration:none;}
.breadcrumb a:hover{color:var(--saffron);}

@media (max-width:760px){
  .section{padding:44px 0;}
}