:root{
  --gold:#c8a45d;
  --text:#2f2b25;
  --muted:#7d756a;
  --soft:#fbf8f0;
  --line:#eee4d2;
  --dark:#2e281d;
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  line-height:2;
}
a{color:inherit;text-decoration:none}

/* Header */
.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:1000;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(200,164,93,.18);
}
.header-inner{
  max-width:1240px;
  height:82px;
  margin:0 auto;
  padding:0 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:block;
  line-height:0;
}
.logo img{
  display:block;
  width:auto;
  max-width:280px;
  max-height:54px;
}
.global-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-item{position:relative}
.nav-item>a{
  color:var(--muted);
  font-size:13px;
  letter-spacing:.12em;
}
.nav-item>a:hover{color:var(--gold)}
.nav-contact{
  padding:9px 22px;
  border:1px solid var(--gold);
  border-radius:999px;
  color:var(--gold)!important;
}
.dropdown{
  position:absolute;
  top:calc(100% + 20px);
  left:50%;
  min-width:220px;
  padding:18px 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 18px 48px rgba(70,50,20,.08);
  transform:translateX(-50%) translateY(8px);
  opacity:0;
  visibility:hidden;
  transition:.25s;
}
.nav-item:hover .dropdown{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.dropdown a{
  display:block;
  padding:9px 22px;
  color:var(--muted);
  font-size:13px;
}
.dropdown a:hover{
  color:var(--gold);
  background:var(--soft);
}
.menu-toggle{display:none}
.hamburger{display:none}

/* Hero */
.topic-hero{
  padding:172px 28px 92px;
  background:
    linear-gradient(to left,rgba(255,255,255,.05),rgba(255,255,255,.74),#fff 72%),
    radial-gradient(circle at 82% 38%, #d8c7a0 0%, #f4eee0 26%, #fff 58%);
}
.topic-inner{
  max-width:1120px;
  margin:0 auto;
}
.label{
  color:var(--gold);
  font-size:13px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
h1{
  margin:20px 0 18px;
  font-size:clamp(38px,5vw,64px);
  font-weight:400;
  line-height:1.35;
  letter-spacing:.08em;
}
.description{
  max-width:660px;
  color:var(--muted);
  font-size:17px;
}

/* Breadcrumb */
.breadcrumb{
  max-width:1120px;
  margin:0 auto;
  padding:22px 28px 0;
}
.breadcrumb ol{
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
}
.breadcrumb li{
  display:flex;
  align-items:center;
}
.breadcrumb li:not(:last-child)::after{
  content:">";
  margin-left:8px;
  color:var(--gold);
}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb li[aria-current="page"]{color:var(--text)}

/* Topics */
.page-wrap{
  max-width:1120px;
  margin:0 auto;
  padding:66px 28px 120px;
}
.topic-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:34px;
}
.topic-card{
  position:relative;
  min-height:360px;
  overflow:hidden;
  border-radius:28px;
  background:#ddd;
}
.topic-card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(
      to top,
      rgba(0,0,0,.76) 0%,
      rgba(0,0,0,.48) 46%,
      rgba(0,0,0,.18) 100%
    );
  transition:.35s;
}
.topic-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:var(--image);
  background-size:cover;
  background-position:center;
  transform:scale(1);
  transition:.55s ease;
}
.topic-card:hover::after{
  transform:scale(1.06);
}
.topic-card:hover::before{
  background:
    linear-gradient(
      to top,
      rgba(0,0,0,.84) 0%,
      rgba(0,0,0,.56) 46%,
      rgba(0,0,0,.26) 100%
    );
}
.topic-content{
  position:absolute;
  inset:auto 0 0;
  z-index:2;
  padding:34px;
  color:#fff;
}
.topic-en{
  color:var(--gold);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
}
.topic-title{
  margin:12px 0;
  font-size:30px;
  font-weight:400;
  line-height:1.45;
  letter-spacing:.08em;
}
.topic-desc{
  margin:0;
  color:rgba(255,255,255,.82);
  font-size:14px;
  line-height:1.9;
}
.topic-meta{
  margin-top:22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:rgba(255,255,255,.76);
  font-size:12px;
  letter-spacing:.12em;
}
.arrow{
  color:var(--gold);
  transition:.25s;
}
.topic-card:hover .arrow{
  transform:translateX(6px);
}

.topic-card.category-1{
  --image:radial-gradient(circle at 70% 35%, #bfa46b, #776044 38%, #2e281d 78%);
}
.topic-card.category-2{
  --image:radial-gradient(circle at 72% 38%, #9f8abf, #50435f 40%, #211d28 78%);
}
.topic-card.category-3{
  --image:radial-gradient(circle at 70% 35%, #c47d5f, #6c3f31 42%, #2b1e1a 78%);
}
.topic-card.category-4{
  --image:radial-gradient(circle at 70% 35%, #8abf8a, #425f42 42%, #1d281f 78%);
}
.topic-card.category-5{
  --image:radial-gradient(circle at 70% 35%, #d0b36b, #756331 42%, #282417 78%);
}
.topic-card.category-6{
  --image:radial-gradient(circle at 70% 35%, #7fa6bd, #3f5966 42%, #1c252a 78%);
}

/* CTA */
.topic-cta{
  margin-top:100px;
  padding:72px 48px;
  text-align:center;
  background:linear-gradient(135deg,#fff,#faf6ee);
  border:1px solid var(--line);
  border-radius:30px;
}
.topic-cta h2{
  margin:0;
  font-size:34px;
  font-weight:400;
  line-height:1.6;
}
.topic-cta p{
  max-width:620px;
  margin:24px auto 0;
  color:var(--muted);
}
.topic-cta a{
  display:inline-block;
  margin-top:30px;
  padding:14px 38px;
  background:var(--gold);
  color:#fff;
  border-radius:999px;
}

/* Footer */
.site-footer{
  background:var(--dark);
  color:#fff;
}
.footer-inner{
  max-width:1240px;
  margin:0 auto;
  padding:70px 40px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:56px;
}
.footer-logo{
  margin-bottom:22px;
}
.footer-logo img{
  display:block;
  width:auto;
  max-width:300px;
  max-height:72px;
}
.footer-address{
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-title{
  margin:0 0 20px;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.18em;
}
.footer-menu{
  margin:0;
  padding:0;
  list-style:none;
}
.footer-menu li{margin:9px 0}
.footer-menu a{
  color:rgba(255,255,255,.76);
  font-size:14px;
}
.footer-menu ul{
  margin:6px 0 16px 18px;
  padding:0;
  list-style:none;
}
.footer-menu ul a{
  color:rgba(255,255,255,.55);
  font-size:13px;
}
.copyright{
  padding:22px 24px;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.5);
  font-size:12px;
  letter-spacing:.12em;
}

/* Responsive */
@media(max-width:960px){
  .topic-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media(max-width:900px){
  .header-inner{
    height:70px;
    padding:0 22px;
  }
  .hamburger{
    display:block;
    width:36px;
    height:28px;
    position:relative;
    cursor:pointer;
    z-index:1002;
  }
  .hamburger span{
    position:absolute;
    left:0;
    width:100%;
    height:1px;
    background:var(--text);
    transition:.3s;
  }
  .hamburger span:nth-child(1){top:4px}
  .hamburger span:nth-child(2){top:14px}
  .hamburger span:nth-child(3){top:24px}

  .global-nav{
    position:fixed;
    top:70px;
    right:0;
    width:100%;
    height:calc(100vh - 70px);
    padding:34px 28px 80px;
    display:block;
    overflow-y:auto;
    background:rgba(255,255,255,.98);
    transform:translateX(100%);
    transition:.35s;
  }
  .menu-toggle:checked ~ .global-nav{
    transform:translateX(0);
  }
  .menu-toggle:checked + .hamburger span:nth-child(1){
    top:14px;
    transform:rotate(45deg);
  }
  .menu-toggle:checked + .hamburger span:nth-child(2){
    opacity:0;
  }
  .menu-toggle:checked + .hamburger span:nth-child(3){
    top:14px;
    transform:rotate(-45deg);
  }
  .nav-item{
    border-bottom:1px solid var(--line);
  }
  .nav-item>a{
    display:block;
    padding:18px 0;
    font-size:15px;
  }
  .dropdown{
    position:static;
    min-width:0;
    padding:0 0 16px 18px;
    border:0;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
    background:transparent;
  }
  .dropdown a{
    padding:7px 0;
    font-size:13px;
  }
  .nav-contact{
    display:inline-block!important;
    margin-top:22px;
  }

  .topic-hero{
    padding:138px 24px 72px;
  }
  .page-wrap{
    padding:56px 24px 96px;
  }
  .topic-grid{
    grid-template-columns:1fr;
  }
  .topic-card{
    min-height:320px;
  }
  .topic-title{
    font-size:26px;
  }
  .topic-cta{
    padding:56px 28px;
  }
  .topic-cta h2{
    font-size:28px;
  }
  .footer-inner{
    grid-template-columns:1fr;
    gap:36px;
    padding:56px 28px;
  }
}


/* ---- page styles ---- */


:root{
  --gold:#c8a45d;
  --text:#2f2b25;
  --muted:#7d756a;
  --soft:#fbf8f0;
  --line:#eee4d2;
  --dark:#2e281d;
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  line-height:2;
}
a{color:inherit;text-decoration:none}

.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:1000;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(200,164,93,.18);
}
.header-inner{
  max-width:1240px;
  height:82px;
  margin:0 auto;
  padding:0 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:block;
  line-height:0;
}
.logo img{
  display:block;
  width:auto;
  max-width:280px;
  max-height:54px;
}
.global-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-item{position:relative}
.nav-item>a{
  color:var(--muted);
  font-size:13px;
  letter-spacing:.12em;
}
.nav-item>a:hover{color:var(--gold)}
.nav-contact{
  padding:9px 22px;
  border:1px solid var(--gold);
  border-radius:999px;
  color:var(--gold)!important;
}
.dropdown{
  position:absolute;
  top:calc(100% + 20px);
  left:50%;
  min-width:220px;
  padding:18px 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 18px 48px rgba(70,50,20,.08);
  transform:translateX(-50%) translateY(8px);
  opacity:0;
  visibility:hidden;
  transition:.25s;
}
.nav-item:hover .dropdown{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.dropdown a{
  display:block;
  padding:9px 22px;
  color:var(--muted);
  font-size:13px;
}
.dropdown a:hover{
  color:var(--gold);
  background:var(--soft);
}
.menu-toggle{display:none}
.hamburger{display:none}

.archive-hero{
  padding:172px 28px 92px;
  background:
    linear-gradient(to left,rgba(255,255,255,.05),rgba(255,255,255,.74),#fff 72%),
    radial-gradient(circle at 82% 38%, #d8c7a0 0%, #f4eee0 26%, #fff 58%);
}
.archive-inner{
  max-width:1120px;
  margin:0 auto;
}
.label{
  color:var(--gold);
  font-size:13px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
h1{
  margin:20px 0 18px;
  font-size:clamp(38px,5vw,64px);
  font-weight:400;
  line-height:1.35;
  letter-spacing:.08em;
}
.description{
  max-width:660px;
  color:var(--muted);
  font-size:17px;
}

.breadcrumb{
  max-width:1120px;
  margin:0 auto;
  padding:22px 28px 0;
}
.breadcrumb ol{
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
}
.breadcrumb li{
  display:flex;
  align-items:center;
}
.breadcrumb li:not(:last-child)::after{
  content:">";
  margin-left:8px;
  color:var(--gold);
}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb li[aria-current="page"]{color:var(--text)}

.page-wrap{
  max-width:1120px;
  margin:0 auto;
  padding:66px 28px 120px;
}

.category-tabs{
  margin-bottom:72px;
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--line);
}
.category-tabs a{
  position:relative;
  padding-bottom:18px;
  color:var(--muted);
  font-size:14px;
  letter-spacing:.08em;
}
.category-tabs a.active{
  color:var(--gold);
}
.category-tabs a.active::after,
.category-tabs a:hover::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:100%;
  height:2px;
  background:var(--gold);
}

.section-title{
  margin:0 0 34px;
  font-size:30px;
  font-weight:400;
  letter-spacing:.08em;
}

.article-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:56px 34px;
}
.article-card{
  display:block;
}
.card-image-wrap{
  overflow:hidden;
  border-radius:22px;
  background:#f7f1e7;
}
.card-image{
  display:block;
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  background:
    linear-gradient(to bottom,rgba(255,255,255,.08),rgba(255,255,255,.66)),
    radial-gradient(circle at 70% 36%, #d8c7a0, #f7f1e7 42%, #fff 74%);
  transition:.5s ease;
}
.article-card:hover .card-image{
  transform:scale(1.05);
}
.card-body{
  padding:22px 4px 0;
}
.card-category{
  color:var(--gold);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.card-title{
  margin:12px 0 16px;
  font-size:24px;
  font-weight:400;
  line-height:1.65;
  letter-spacing:.04em;
  transition:.25s;
}
.article-card:hover .card-title{
  color:var(--gold);
}
.card-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.12em;
}
.arrow{
  color:var(--gold);
  transition:.25s;
}
.article-card:hover .arrow{
  transform:translateX(6px);
}

.pagination{
  margin-top:80px;
  display:flex;
  justify-content:center;
  gap:12px;
}
.pagination a{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--muted);
  font-size:13px;
}
.pagination a.active,
.pagination a:hover{
  border-color:var(--gold);
  background:var(--gold);
  color:#fff;
}

.archive-cta{
  margin-top:100px;
  padding:72px 48px;
  text-align:center;
  background:linear-gradient(135deg,#fff,#faf6ee);
  border:1px solid var(--line);
  border-radius:30px;
}
.archive-cta h2{
  margin:0;
  font-size:34px;
  font-weight:400;
  line-height:1.6;
}
.archive-cta p{
  max-width:620px;
  margin:24px auto 0;
  color:var(--muted);
}
.archive-cta a{
  display:inline-block;
  margin-top:30px;
  padding:14px 38px;
  background:var(--gold);
  color:#fff;
  border-radius:999px;
}

.site-footer{
  background:var(--dark);
  color:#fff;
}
.footer-inner{
  max-width:1240px;
  margin:0 auto;
  padding:70px 40px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:56px;
}
.footer-logo{
  margin-bottom:22px;
}
.footer-logo img{
  display:block;
  width:auto;
  max-width:300px;
  max-height:72px;
}
.footer-address{
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-title{
  margin:0 0 20px;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.18em;
}
.footer-menu{
  margin:0;
  padding:0;
  list-style:none;
}
.footer-menu li{margin:9px 0}
.footer-menu a{
  color:rgba(255,255,255,.76);
  font-size:14px;
}
.footer-menu ul{
  margin:6px 0 16px 18px;
  padding:0;
  list-style:none;
}
.footer-menu ul a{
  color:rgba(255,255,255,.55);
  font-size:13px;
}
.copyright{
  padding:22px 24px;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.5);
  font-size:12px;
  letter-spacing:.12em;
}

@media(max-width:960px){
  .article-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media(max-width:900px){
  .header-inner{
    height:70px;
    padding:0 22px;
  }
  .hamburger{
    display:block;
    width:36px;
    height:28px;
    position:relative;
    cursor:pointer;
    z-index:1002;
  }
  .hamburger span{
    position:absolute;
    left:0;
    width:100%;
    height:1px;
    background:var(--text);
    transition:.3s;
  }
  .hamburger span:nth-child(1){top:4px}
  .hamburger span:nth-child(2){top:14px}
  .hamburger span:nth-child(3){top:24px}

  .global-nav{
    position:fixed;
    top:70px;
    right:0;
    width:100%;
    height:calc(100vh - 70px);
    padding:34px 28px 80px;
    display:block;
    overflow-y:auto;
    background:rgba(255,255,255,.98);
    transform:translateX(100%);
    transition:.35s;
  }
  .menu-toggle:checked ~ .global-nav{transform:translateX(0)}
  .menu-toggle:checked + .hamburger span:nth-child(1){
    top:14px;
    transform:rotate(45deg);
  }
  .menu-toggle:checked + .hamburger span:nth-child(2){opacity:0}
  .menu-toggle:checked + .hamburger span:nth-child(3){
    top:14px;
    transform:rotate(-45deg);
  }
  .nav-item{
    border-bottom:1px solid var(--line);
  }
  .nav-item>a{
    display:block;
    padding:18px 0;
    font-size:15px;
  }
  .dropdown{
    position:static;
    min-width:0;
    padding:0 0 16px 18px;
    border:0;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
    background:transparent;
  }
  .dropdown a{
    padding:7px 0;
    font-size:13px;
  }
  .nav-contact{
    display:inline-block!important;
    margin-top:22px;
  }

  .archive-hero{
    padding:138px 24px 72px;
  }
  .page-wrap{
    padding:56px 24px 96px;
  }
  .article-grid{
    grid-template-columns:1fr;
    gap:48px;
  }
  .footer-inner{
    grid-template-columns:1fr;
    gap:36px;
    padding:56px 28px;
  }
}


/* ---- page styles ---- */


:root{
  --gold:#c8a45d;
  --text:#2f2b25;
  --muted:#7d756a;
  --soft:#fbf8f0;
  --line:#eee4d2;
  --dark:#2e281d;
}
*{box-sizing:border-box}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  line-height:2;
}
a{color:inherit;text-decoration:none}

.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:1000;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(200,164,93,.18);
}
.header-inner{
  max-width:1240px;
  height:82px;
  margin:auto;
  padding:0 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  display:block;
  line-height:0;
}
.logo img{
  display:block;
  width:auto;
  max-width:280px;
  max-height:54px;
}
.global-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-item{position:relative}
.nav-item>a{
  color:var(--muted);
  font-size:13px;
  letter-spacing:.12em;
}
.nav-item>a:hover{color:var(--gold)}
.nav-contact{
  padding:9px 22px;
  border:1px solid var(--gold);
  border-radius:999px;
  color:var(--gold)!important;
}
.dropdown{
  position:absolute;
  top:calc(100% + 20px);
  left:50%;
  min-width:220px;
  padding:18px 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 18px 48px rgba(70,50,20,.08);
  transform:translateX(-50%) translateY(8px);
  opacity:0;
  visibility:hidden;
  transition:.25s;
}
.nav-item:hover .dropdown{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.dropdown a{
  display:block;
  padding:9px 22px;
  color:var(--muted);
  font-size:13px;
}
.dropdown a:hover{
  color:var(--gold);
  background:var(--soft);
}
.menu-toggle{display:none}
.hamburger{display:none}

.hero{
  min-height:660px;
  padding-top:82px;
  display:flex;
  align-items:center;
  background:
    linear-gradient(to left,rgba(255,255,255,0) 0%,rgba(255,255,255,.28) 20%,rgba(255,255,255,.68) 42%,rgba(255,255,255,.95) 62%,#fff 78%),
    radial-gradient(circle at 78% 45%, #d8c7a0 0%, #f4eee0 25%, #fff 56%);
}
.hero-content{
  width:50%;
  padding-left:8vw;
  padding-right:32px;
}
.category{
  color:var(--gold);
  font-size:13px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
h1{
  margin:24px 0;
  font-size:clamp(36px,5vw,60px);
  font-weight:400;
  line-height:1.45;
  letter-spacing:.06em;
}
.lead{
  max-width:560px;
  color:var(--muted);
  font-size:17px;
}
.meta{
  margin-top:34px;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.14em;
}

.breadcrumb{
  max-width:1120px;
  margin:0 auto;
  padding:22px 28px 0;
}
.breadcrumb ol{
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
}
.breadcrumb li{
  display:flex;
  align-items:center;
}
.breadcrumb li:not(:last-child)::after{
  content:">";
  margin-left:8px;
  color:var(--gold);
}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb li[aria-current="page"]{color:var(--text)}

.article{
  max-width:780px;
  margin:0 auto;
  padding:70px 28px 120px;
}
.article p{
  margin:0 0 30px;
  font-size:17px;
}
.toc{
  margin:64px 0 76px;
  padding:38px 42px;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:20px;
}
.toc h2{
  margin:0 0 18px;
  color:var(--gold);
  font-size:18px;
  font-weight:400;
  letter-spacing:.18em;
}
.toc ol{
  margin:0;
  padding-left:22px;
}
.toc li{margin:12px 0}
.article h2{
  margin:76px 0 28px;
  padding-left:22px;
  border-left:3px solid var(--gold);
  font-size:28px;
  font-weight:400;
  letter-spacing:.08em;
}
blockquote{
  margin:48px 0;
  padding:32px 36px;
  background:var(--soft);
  border-left:4px solid var(--gold);
  color:#4a3c24;
}
.cta-mini{
  margin:78px 0;
  padding:48px 40px;
  text-align:center;
  background:var(--soft);
  border-radius:22px;
}
.cta-mini h2{
  margin:0 0 18px;
  padding:0;
  border:0;
  font-size:28px;
}
.cta-mini a{
  display:inline-block;
  margin-top:22px;
  padding:14px 38px;
  background:var(--gold);
  color:#fff;
  border-radius:999px;
}
.supervisor{
  margin:80px 0 0;
  padding:34px 38px;
  border:1px solid var(--line);
  border-radius:22px;
}
.supervisor h2{
  margin:0 0 14px;
  padding:0;
  border:0;
  color:var(--gold);
  font-size:18px;
  letter-spacing:.16em;
}
.supervisor p{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.cta{
  margin:100px auto 0;
  padding:80px 56px;
  text-align:center;
  background:linear-gradient(135deg,#fff,#faf6ee);
  border:1px solid var(--line);
  border-radius:30px;
}
.cta h2{
  margin:0;
  padding:0;
  border:0;
  font-size:38px;
  line-height:1.6;
}
.cta p{
  max-width:620px;
  margin:28px auto 0;
  color:var(--muted);
}
.cta-buttons{
  margin-top:34px;
  display:flex;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
}
.cta-buttons a{
  padding:14px 38px;
  border-radius:999px;
}
.cta-buttons a:first-child{
  background:var(--gold);
  color:#fff;
}
.cta-buttons a:last-child{
  border:1px solid var(--gold);
  color:var(--gold);
}

.site-footer{
  background:var(--dark);
  color:#fff;
}
.footer-inner{
  max-width:1240px;
  margin:0 auto;
  padding:70px 40px;
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:56px;
}
.footer-logo{
  margin-bottom:22px;
}
.footer-logo img{
  display:block;
  width:auto;
  max-width:300px;
  max-height:72px;
}
.footer-address{
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-title{
  margin:0 0 20px;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.18em;
}
.footer-menu{
  margin:0;
  padding:0;
  list-style:none;
}
.footer-menu li{margin:9px 0}
.footer-menu a{
  color:rgba(255,255,255,.76);
  font-size:14px;
}
.footer-menu ul{
  margin:6px 0 16px 18px;
  padding:0;
  list-style:none;
}
.footer-menu ul a{
  color:rgba(255,255,255,.55);
  font-size:13px;
}
.copyright{
  padding:22px 24px;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.5);
  font-size:12px;
  letter-spacing:.12em;
}

@media(max-width:900px){
  .header-inner{
    height:70px;
    padding:0 22px;
  }
  .hamburger{
    display:block;
    width:36px;
    height:28px;
    position:relative;
    cursor:pointer;
    z-index:1002;
  }
  .hamburger span{
    position:absolute;
    left:0;
    width:100%;
    height:1px;
    background:var(--text);
    transition:.3s;
  }
  .hamburger span:nth-child(1){top:4px}
  .hamburger span:nth-child(2){top:14px}
  .hamburger span:nth-child(3){top:24px}

  .global-nav{
    position:fixed;
    top:70px;
    right:0;
    width:100%;
    height:calc(100vh - 70px);
    padding:34px 28px 80px;
    display:block;
    overflow-y:auto;
    background:rgba(255,255,255,.98);
    transform:translateX(100%);
    transition:.35s;
  }
  .menu-toggle:checked ~ .global-nav{transform:translateX(0)}
  .menu-toggle:checked + .hamburger span:nth-child(1){
    top:14px;
    transform:rotate(45deg);
  }
  .menu-toggle:checked + .hamburger span:nth-child(2){opacity:0}
  .menu-toggle:checked + .hamburger span:nth-child(3){
    top:14px;
    transform:rotate(-45deg);
  }
  .nav-item{
    border-bottom:1px solid var(--line);
  }
  .nav-item>a{
    display:block;
    padding:18px 0;
    font-size:15px;
  }
  .dropdown{
    position:static;
    min-width:0;
    padding:0 0 16px 18px;
    border:0;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
    background:transparent;
  }
  .dropdown a{
    padding:7px 0;
    font-size:13px;
  }
  .nav-contact{
    display:inline-block!important;
    margin-top:22px;
  }
  .hero{
    min-height:570px;
    padding-top:70px;
    background:
      linear-gradient(to bottom,rgba(255,255,255,.94),rgba(255,255,255,.76),rgba(255,255,255,.97)),
      radial-gradient(circle at 72% 35%, #d8c7a0, #f7f1e7 38%, #fff 72%);
  }
  .hero-content{
    width:100%;
    padding:0 28px;
  }
  h1{font-size:34px}
  .article{padding-top:52px}
  .cta{padding:56px 28px}
  .cta h2{font-size:28px}
  .footer-inner{
    grid-template-columns:1fr;
    gap:36px;
    padding:56px 28px;
  }
}

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

/* Performance: let the browser render visible content first. */
.breadcrumb,
.page-wrap,
.topic-grid,
.topic-cta,
.article-grid,
.archive-cta,
.article,
.site-footer{
  content-visibility:auto;
  contain-intrinsic-size:auto 640px;
}

.hero,
.topic-hero,
.archive-hero{
  content-visibility:visible;
}

/* Article readability overrides */
.hero{
  min-height:460px;
  padding-top:82px;
}
.hero-content{
  width:min(760px, 100%);
  padding-left:8vw;
  padding-right:28px;
}
.hero .category{
  font-size:12px;
  letter-spacing:.18em;
}
.hero h1{
  max-width:760px;
  margin:18px 0;
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.55;
  letter-spacing:.04em;
}
.hero .lead{
  max-width:680px;
  font-size:16px;
}
.hero .meta{
  margin-top:24px;
}
.article{
  max-width:860px;
  font-size:16px;
}
.article p{
  margin:0 0 28px;
}
.article h2{
  margin:72px 0 26px;
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.55;
}
.article h3{
  margin:44px 0 18px;
  padding-bottom:10px;
  border-bottom:2px solid #f4dbe1;
  color:#4a3c24;
  font-size:clamp(19px,2.2vw,24px);
  font-weight:400;
  line-height:1.6;
}
.article ul{
  margin:22px 0 34px;
  padding:24px 28px 24px 48px;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:14px;
}
.article li{
  margin:8px 0;
  padding-left:4px;
}
.article li::marker{
  color:var(--gold);
}
.article table{
  width:100%;
  margin:28px 0 44px;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  box-shadow:0 14px 36px rgba(70,50,20,.06);
}
.article th,
.article td{
  padding:15px 17px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
  line-height:1.8;
}
.article th:last-child,
.article td:last-child{
  border-right:0;
}
.article tr:last-child td{
  border-bottom:0;
}
.article th{
  background:#f7f1e4;
  color:#4a3c24;
  font-weight:600;
}
.article tr:nth-child(even) td{
  background:#fffdf8;
}
.article pre{
  margin:28px 0 44px;
  padding:28px 30px;
  overflow:auto;
  background:
    linear-gradient(90deg,rgba(200,164,93,.12),rgba(255,255,255,0)),
    var(--soft);
  border:1px solid var(--line);
  border-left:5px solid var(--gold);
  border-radius:14px;
  color:#4a3c24;
  font-family:"Yu Gothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  font-size:15px;
  line-height:2;
  white-space:pre-wrap;
}
.post-eyecatch{
  position:relative;
  width:min(960px,calc(100% - 40px));
  margin:38px auto 46px;
  overflow:hidden;
  border-radius:16px;
  background:#2e281d;
  box-shadow:0 18px 44px rgba(70,50,20,.10);
  content-visibility:visible;
}
.post-eyecatch img{
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
  opacity:.86;
}
.post-eyecatch::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(to top,rgba(46,40,29,.86) 0%,rgba(46,40,29,.46) 48%,rgba(46,40,29,.12) 100%),
    linear-gradient(to right,rgba(46,40,29,.56),rgba(46,40,29,0) 62%);
  pointer-events:none;
}
.post-eyecatch figcaption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:1;
  padding:34px 38px;
  color:#fff;
}
.post-eyecatch figcaption span{
  display:block;
  margin-bottom:10px;
  color:var(--gold);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.post-eyecatch figcaption strong{
  display:block;
  max-width:720px;
  font-size:clamp(24px,3.4vw,38px);
  font-weight:400;
  line-height:1.55;
  letter-spacing:.04em;
}
.article.has-eyecatch{
  padding-top:18px;
}
.article-toc{
  margin:0 0 64px;
  padding:34px 38px;
  background:linear-gradient(135deg,#fff,#fbf6f7);
  border:1px solid #f0d7dd;
  border-radius:16px;
}
.article-toc h2{
  margin:0 0 16px;
  padding:0;
  border:0;
  color:var(--gold);
  font-size:18px;
  letter-spacing:.16em;
}
.article-toc ol{
  margin:0;
  padding-left:22px;
}
.article-toc li{
  margin:10px 0;
}
.article-toc a:hover{
  color:var(--gold);
}
.article details{
  margin:16px 0;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  overflow:hidden;
}
.article summary{
  cursor:pointer;
  padding:18px 22px;
  color:#4a3c24;
  background:#fff8f9;
  font-size:17px;
  line-height:1.7;
  list-style:none;
}
.article summary::-webkit-details-marker{
  display:none;
}
.article summary::after{
  content:"+";
  float:right;
  color:var(--gold);
  font-size:22px;
  line-height:1.2;
}
.article details[open] summary::after{
  content:"-";
}
.article details p{
  margin:0;
  padding:20px 22px 24px;
}
.article .diagram-box{
  margin:28px 0 44px;
  padding:28px;
  background:linear-gradient(135deg,#fbf8f0,#fff8f9);
  border:1px solid #f0d7dd;
  border-left:5px solid var(--gold);
  border-radius:16px;
}
.article .diagram-box ol,
.article .diagram-box ul{
  margin:0;
}
.article blockquote{
  border-radius:14px;
}
.cta,
.archive-cta,
.topic-cta,
.cta-mini{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  border:1px solid rgba(200,164,93,.36);
  background:
    linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,248,249,.94)),
    radial-gradient(circle at 82% 20%,rgba(200,164,93,.22),rgba(255,255,255,0) 34%);
  box-shadow:0 22px 58px rgba(70,50,20,.10);
}
.cta::before,
.archive-cta::before,
.topic-cta::before,
.cta-mini::before{
  content:"";
  position:absolute;
  inset:0;
  border-top:4px solid var(--gold);
  pointer-events:none;
}
.cta a,
.archive-cta a,
.topic-cta a,
.cta-mini a,
.cta-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:14px 36px;
  background:var(--gold);
  color:#fff!important;
  border:1px solid var(--gold);
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.cta a:hover,
.archive-cta a:hover,
.topic-cta a:hover,
.cta-mini a:hover,
.cta-button:hover{
  transform:translateY(-1px);
  box-shadow:0 12px 28px rgba(132,96,34,.18);
  background:#b99247;
}

@media(max-width:760px){
  .hero{
    min-height:0;
    padding:118px 0 58px;
  }
  .hero-content{
    padding:0 24px;
  }
  .hero h1{
    font-size:28px;
  }
  .article{
    padding:48px 22px 86px;
  }
  .article table{
    display:block;
    overflow-x:auto;
    white-space:nowrap;
  }
  .article th,
  .article td{
    padding:12px 14px;
  }
  .article ul{
    padding:20px 20px 20px 38px;
  }
  .post-eyecatch img{
    aspect-ratio:4 / 3;
  }
  .post-eyecatch{
    border-radius:12px;
  }
  .post-eyecatch figcaption{
    padding:24px;
  }
  .post-eyecatch figcaption strong{
    font-size:24px;
  }
  .article-toc{
    padding:26px 24px;
  }
}