:root{
  --navy:#062750;
  --navy-deep:#031e42;
  --gold:#bf862c;
  --gold-soft:#d9b76f;
  --ink:#0c244a;
  --muted:#687184;
  --paper:#fff;
  --soft:#fbfaf6;
  --line:rgba(191,134,44,.34);
  --shadow:0 18px 55px rgba(4,31,69,.08);
  --page:1440px;
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP","Times New Roman",serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

.site-nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(6,39,80,.08);
}
.site-nav__inner{
  width:min(var(--page),calc(100% - 40px));
  min-height:72px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--navy-deep);
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.9rem;
  letter-spacing:.08em;
}
.nav-brand img{width:45px;height:45px;object-fit:contain}
.site-nav nav{display:flex;align-items:center;gap:28px;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:.82rem;letter-spacing:.06em}
.site-nav nav a{position:relative;padding:8px 0}
.site-nav nav a::after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:1px;background:var(--gold);transition:right .2s ease}
.site-nav nav a:hover::after{right:0}

.hero{
  min-height:620px;
  display:grid;
  place-items:center;
  padding:80px 20px 55px;
  background:
    radial-gradient(circle at 50% 15%,rgba(217,183,111,.13),transparent 34%),
    #fff;
}
.hero__inner{
  width:min(1120px,100%);
  text-align:center;
}
.hero-logo{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:35px;
}
.hero-logo img{width:300px;max-width:29vw}
.hero-wordmark{
  color:var(--navy-deep);
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(7rem,13vw,13.4rem);
  font-weight:400;
  line-height:.8;
  letter-spacing:.02em;
}
.hero-tagline{
  margin:28px auto 0;
  color:var(--navy-deep);
  font-size:clamp(1.25rem,2.2vw,2rem);
  letter-spacing:.09em;
}
.hero-actions{
  margin-top:40px;
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}
.button{
  min-width:210px;
  display:inline-flex;
  justify-content:center;
  align-items:center;
  min-height:48px;
  padding:10px 24px;
  border-radius:999px;
  font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
  font-size:.88rem;
  letter-spacing:.07em;
  transition:transform .2s ease,box-shadow .2s ease;
}
.button:hover{transform:translateY(-2px)}
.button--primary{background:var(--navy-deep);color:#fff;box-shadow:0 10px 28px rgba(3,30,66,.16)}
.button--ghost{border:1px solid var(--navy-deep);background:#fff;color:var(--navy-deep)}

.section{padding:70px 20px}
.section__inner{width:min(var(--page),100%);margin:auto}

.meaning{padding-top:10px}
.meaning-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid rgba(191,134,44,.18);
  border-bottom:1px solid rgba(191,134,44,.18);
}
.meaning-card{
  min-height:160px;
  display:grid;
  grid-template-columns:125px 1fr;
  gap:20px;
  align-items:center;
  padding:24px 38px;
  position:relative;
}
.meaning-card+ .meaning-card{border-left:1px solid var(--line)}
.meaning-card__icon{width:115px;height:90px;object-fit:contain}
.meaning-card h2{margin:0 0 8px;color:var(--gold);font-size:1.25rem;font-weight:500;letter-spacing:.06em}
.meaning-card p{margin:0;font-size:.88rem;line-height:1.65}

.identity{background:linear-gradient(180deg,#fff 0%,#fbfaf7 100%)}
.section-heading{text-align:center;max-width:900px;margin:0 auto 42px}
.section-kicker{margin:0 0 8px;color:var(--gold);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase}
.section-heading h1,.next-page h2{margin:0;color:var(--navy-deep);font-size:clamp(2rem,3vw,3rem);font-weight:500;letter-spacing:.06em}
.section-heading>p:last-child{margin:16px auto 0;color:var(--muted);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:.95rem}

.usage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.usage-card{margin:0}
.usage-card img{
  width:100%;
  aspect-ratio:1.58/1;
  object-fit:cover;
  border:1px solid rgba(7,31,72,.08);
  background:#fff;
}
.usage-card figcaption{
  margin-top:12px;
  text-align:center;
  font-size:.84rem;
  letter-spacing:.08em;
}

.brand-formula{
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:18px 28px;
  font-size:clamp(.9rem,1.1vw,1.05rem);
  letter-spacing:.06em;
}
.brand-formula b{color:#647087;font-weight:400}
.brand-formula strong{color:var(--navy-deep)}

.next-page{
  background:var(--navy-deep);
  color:#fff;
  text-align:center;
}
.next-page__inner{max-width:850px}
.next-page h2{color:#fff}
.next-page p:not(.section-kicker){margin:18px auto 28px;color:rgba(255,255,255,.75);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif}
.next-page .button--primary{background:#fff;color:var(--navy-deep)}

footer{background:#021831;color:rgba(255,255,255,.64);padding:24px 20px;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;font-size:.76rem}
.footer-inner{width:min(var(--page),100%);margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

@media(max-width:1050px){
  .hero{min-height:520px}
  .meaning-card{grid-template-columns:90px 1fr;padding:22px}
  .meaning-card__icon{width:86px}
  .usage-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .site-nav__inner{width:calc(100% - 24px)}
  .site-nav nav a:not(:last-child){display:none}
  .hero{min-height:auto;padding:64px 16px 45px}
  .hero-logo{gap:15px}
  .hero-logo img{width:110px;max-width:31vw}
  .hero-wordmark{font-size:clamp(4.7rem,23vw,7rem)}
  .hero-tagline{font-size:1rem;line-height:1.8}
  .meaning-grid{grid-template-columns:1fr}
  .meaning-card{grid-template-columns:92px 1fr}
  .meaning-card+.meaning-card{border-left:0;border-top:1px solid var(--line)}
  .usage-grid{grid-template-columns:1fr}
  .section{padding:56px 14px}
  .section-heading{text-align:left}
  .brand-formula{justify-content:flex-start}
}
@media(max-width:430px){
  .nav-brand{font-size:1.55rem}
  .nav-brand img{width:38px;height:38px}
  .site-nav nav{font-size:.72rem}
  .hero-logo img{width:88px}
  .hero-wordmark{font-size:4.1rem}
  .hero-tagline{font-size:.88rem}
  .meaning-card{grid-template-columns:70px 1fr;padding:18px 8px}
  .meaning-card__icon{width:66px;height:70px}
  .meaning-card p{font-size:.8rem}
}