/* ===== Shared site styles for sub-pages ===== */
:root{
  --ink:#0E2149;--ink-2:#2B3E6B;
  --paper:#ffffff;--paper-2:#f4f8fd;--paper-3:#e2ecf8;
  --gold:#5AB8E8;--gold-deep:#2E86C4;--gold-soft:#BFE0F5;
  --rule:#D5E3F2;--muted:#6B7A94;
  --serif:"Shippori Mincho","Noto Serif JP","Yu Mincho",serif;
  --sans:"Noto Sans JP","Yu Gothic",sans-serif;
  --latin:"Cormorant Garamond",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-feature-settings:"palt";-webkit-font-smoothing:antialiased}
body{
  font-size:14px;line-height:2;overflow-x:hidden;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle, rgba(90,184,232,0.16) 1.4px, transparent 1.8px),
    radial-gradient(circle, rgba(90,184,232,0.10) 1px, transparent 1.4px);
  background-size: 48px 48px, 48px 48px;
  background-position: 0 0, 24px 24px;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 40px}
@media (max-width:720px){.container{padding:0 22px}}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(14,33,73,.1)}
.nav-inner{display:flex;align-items:center;gap:32px;height:78px;padding:0 40px;max-width:1440px;margin:0 auto}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;margin-right:auto}
.brand-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;overflow:hidden}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.brand-text .jp{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.18em;line-height:1.2;color:var(--ink);display:block}
.brand-text .en{font-family:var(--latin);font-style:italic;font-size:11.5px;color:var(--gold-deep);letter-spacing:.22em;margin-top:5px;display:block}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;font-size:11.5px;letter-spacing:.24em;font-family:var(--sans);border-radius:0;transition:all .25s;border:1px solid var(--ink);background:var(--ink);color:#fff}
.btn:hover{background:var(--gold-deep);border-color:var(--gold-deep);transform:translateY(-1px)}
.btn.line{background:#06C755;border-color:#06C755}
.btn.line:hover{background:#04a544;border-color:#04a544}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn .arw{width:14px;height:1px;background:currentColor;position:relative}
.btn .arw::after{content:"";position:absolute;right:-1px;top:-3px;width:7px;height:7px;border-right:1px solid currentColor;border-top:1px solid currentColor;transform:rotate(45deg)}

/* SUBMENU */
.submenu{position:fixed;top:78px;left:0;right:0;z-index:99;background:#fff;border-bottom:1px solid var(--rule)}
.submenu-inner{max-width:1280px;margin:0 auto;padding:0 30px;display:flex;align-items:center;justify-content:center;height:58px}
.submenu .item{position:relative}
.submenu .item > a, .submenu-inner > a{position:relative;display:block;padding:0 18px;font-family:var(--serif);font-size:13.5px;font-weight:700;letter-spacing:.16em;color:var(--ink);line-height:58px;transition:color .2s;white-space:nowrap}
.submenu .item + .item::before, .submenu-inner > a + .item::before, .submenu-inner > .item + a::before, .submenu-inner > a + a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:var(--rule)}
.submenu a:hover,.submenu a.is-active{color:var(--gold-deep)}
.submenu a .en{display:block;font-family:var(--latin);font-style:italic;font-size:10px;font-weight:400;letter-spacing:.18em;color:var(--gold-deep);margin-top:-8px;line-height:1;opacity:.85;white-space:nowrap}
.submenu .has-drop > a.parent{cursor:default}
.submenu .has-drop > a::after{content:"▾";display:inline-block;margin-left:6px;font-size:9px;color:var(--gold-deep);vertical-align:1px}
.submenu .drop{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:240px;background:#fff;border:1px solid var(--rule);border-top:0;box-shadow:0 12px 30px rgba(14,33,73,.1);opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s;padding:8px 0}
.submenu .has-drop:hover .drop,.submenu .has-drop:focus-within .drop,.submenu .has-drop.is-open .drop{opacity:1;visibility:visible}
.submenu .drop a{display:block;padding:12px 22px;font-family:var(--serif);font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--ink);line-height:1.5;border-bottom:1px solid var(--rule);white-space:nowrap}
.submenu .drop a:last-child{border-bottom:0}
.submenu .drop a:hover{background:var(--paper-2);color:var(--gold-deep)}
.submenu .drop a .en{display:block;font-family:var(--latin);font-style:italic;font-size:10px;font-weight:400;color:var(--gold-deep);letter-spacing:.18em;margin-top:2px;line-height:1;opacity:.85}
@media (max-width:1180px){.submenu-inner{overflow-x:auto;justify-content:flex-start;padding:0 20px;height:50px}.submenu .item > a,.submenu-inner > a{padding:0 16px;font-size:12.5px;font-weight:700;line-height:50px;white-space:nowrap;letter-spacing:.14em}.submenu a .en{display:none}.submenu .drop{min-width:200px}}

/* PAGE HERO */
.page-hero{padding:200px 0 80px;text-align:center;border-bottom:1px solid var(--rule)}
.page-hero .crumbs{font-family:var(--latin);font-style:italic;font-size:12px;letter-spacing:.24em;color:var(--muted);margin-bottom:30px}
.page-hero .crumbs a{color:var(--gold-deep)}
.page-hero .en{font-family:var(--latin);font-style:italic;font-size:clamp(56px,8vw,110px);color:var(--paper-3);letter-spacing:.04em;line-height:1;font-weight:400;display:block}
.page-hero .en-small{font-family:var(--latin);font-style:italic;font-size:14px;letter-spacing:.28em;color:var(--gold-deep);display:block;margin-top:18px}
.page-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(28px,3.4vw,42px);letter-spacing:.18em;color:var(--ink);margin-top:18px;line-height:1.7}
.page-hero h1 .em{color:var(--gold-deep)}
.page-hero p{max-width:680px;margin:30px auto 0;font-size:14px;line-height:2.2;color:var(--ink-2)}

/* COMMON SECTIONS */
section{padding:120px 0;position:relative}
.sec-head{text-align:center;margin-bottom:64px}
.sec-head .en-small{font-family:var(--latin);font-style:italic;font-size:13px;letter-spacing:.26em;color:var(--gold-deep);display:block;margin-bottom:14px}
.sec-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.4vw,30px);letter-spacing:.22em;color:var(--ink);line-height:1.7}
.sec-head h2 .em{color:var(--gold-deep)}

/* CTA + FOOTER */
.cta{position:relative;padding:140px 0;background:linear-gradient(180deg,rgba(14,33,73,.85),rgba(14,33,73,.95)),var(--ink);color:#fff;text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;inset:24px;border:1px solid rgba(191,224,245,.3);pointer-events:none}
.cta .en-big{font-family:var(--latin);font-style:italic;font-size:clamp(44px,6vw,80px);color:rgba(191,224,245,.25);letter-spacing:.06em;line-height:1;margin-bottom:10px}
.cta h2{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3vw,36px);letter-spacing:.18em;line-height:1.7;margin-bottom:24px}
.cta h2 em{color:var(--gold-soft);font-style:normal}
.cta p{max-width:560px;margin:0 auto 36px;font-size:13.5px;line-height:2.2;color:rgba(255,255,255,.8)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta .btn.ghost{color:#fff;border-color:#fff}
.cta .btn.ghost:hover{background:#fff;color:var(--ink)}

footer{background:var(--paper);border-top:1px solid var(--rule);padding:48px 0 28px}
.foot-meta{display:flex;justify-content:space-between;font-size:10.5px;color:var(--muted);letter-spacing:.15em;flex-wrap:wrap;gap:12px}
.foot-meta .cc{font-family:var(--latin);font-style:italic}
.back-top{font-family:var(--latin);font-style:italic;font-size:12px;letter-spacing:.2em;color:var(--gold-deep)}

/* prose */
.prose{max-width:880px;margin:0 auto}
.prose h3{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:.14em;color:var(--ink);margin:36px 0 16px;line-height:1.7;border-left:3px solid var(--gold);padding-left:16px}
.prose h3:first-child{margin-top:0}
.prose p{font-size:14px;line-height:2.15;color:var(--ink-2);margin-bottom:18px}
.prose ul{margin:0 0 18px 24px}
.prose ul li{font-size:13.5px;line-height:2.05;color:var(--ink-2);margin-bottom:6px}
.prose .lead{font-family:var(--serif);font-size:16px;line-height:2.05;color:var(--ink);letter-spacing:.06em;margin-bottom:30px}