:root{
  --blue:#003f9e;
  --blue2:#0058c8;
  --deep:#002b72;
  --sky:#eff7ff;
  --text:#092451;
  --muted:#54657c;
  --line:#dbe8f7;
  --green:#279a45;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--text);background:#f7fbff;line-height:1.85}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,92%);margin:auto}
.loader{position:fixed;inset:0;background:#fff;z-index:9999;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:.45s}
.loader.hide{opacity:0;pointer-events:none}
.loader-name{font-size:22px;font-weight:900;color:var(--blue)}
.loader span{font-weight:800;color:var(--muted)}

.site-header{position:fixed;z-index:100;top:0;left:0;right:0;background:rgba(220,239,255,.72);backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,63,158,.12)}
.header-inner{height:74px;display:flex;align-items:center;gap:22px;padding:0 28px}
.brand{min-width:300px;color:var(--blue)}
.brand strong{font-size:24px;line-height:1.1;font-weight:900;display:block;letter-spacing:.02em}
.brand small{font-size:12px;font-weight:900;letter-spacing:.08em;display:block}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto;white-space:nowrap}
.nav a{height:74px;display:flex;align-items:center;border-bottom:3px solid transparent;font-weight:900;font-size:13px;color:#073577}
.nav a.active,.nav a:hover{border-color:var(--blue);color:var(--blue)}
.lang{display:flex;gap:4px;align-items:center}
.lang span{font-size:12px;border:1px solid rgba(0,63,158,.18);background:rgba(255,255,255,.82);padding:5px 10px;border-radius:4px;font-weight:800;color:#174174}
.lang span:first-child{background:var(--blue);color:white}
.menu-btn{display:none;margin-left:auto;border:0;background:var(--blue);color:white;border-radius:8px;padding:7px 11px;font-size:20px}

.hero{position:relative;height:520px;min-height:520px;background:url("../images/fuji-sakura.webp") center 38%/cover no-repeat;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(236,247,255,.92),rgba(236,247,255,.58) 37%,rgba(236,247,255,.12) 75%,rgba(236,247,255,.02))}
#sakuraCanvas{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero-inner{position:relative;z-index:3;height:100%;display:flex;align-items:center;padding-top:72px}
.hero-copy{max-width:560px;margin-top:20px}
.hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:900;color:#002f7e;font-size:clamp(40px,4.8vw,58px);line-height:1.35;margin:0 0 18px;letter-spacing:.06em;text-shadow:0 2px 12px rgba(255,255,255,.8)}
.hero p{font-size:16px;font-weight:900;color:#073577;margin:0 0 25px;line-height:2}
.btn{display:inline-flex;align-items:center;gap:12px;justify-content:center;background:var(--blue);color:#fff;border-radius:8px;padding:12px 28px;font-weight:900;box-shadow:0 12px 28px rgba(0,63,158,.2);transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn.small{padding:10px 20px;font-size:14px}
.hero-dots{position:absolute;z-index:4;left:50%;bottom:58px;transform:translateX(-50%);display:flex;gap:10px}
.hero-dots span{width:13px;height:13px;background:#fff;border-radius:999px;display:block;box-shadow:0 2px 9px rgba(0,0,0,.15)}
.hero-dots .active{background:var(--blue)}

.feature-band{position:relative;margin-top:-58px;z-index:6}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feature-card{background:rgba(255,255,255,.93);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 32px rgba(0,63,158,.12);padding:24px 18px;display:grid;grid-template-columns:52px 1fr 16px;gap:16px;align-items:center;transition:.22s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,63,158,.16)}
.feature-icon{font-size:34px;color:var(--blue);display:grid;place-items:center}
.feature-card h3{font-size:17px;color:var(--blue);margin:0 0 4px}
.feature-card p{font-size:13px;line-height:1.75;color:#25364e;margin:0}
.feature-card b{font-size:26px;color:var(--blue)}

.main-panel{background:linear-gradient(#f9fcff,#eef7ff);padding:46px 0 26px}
.panel-grid{display:grid;grid-template-columns:1fr .95fr;gap:16px;margin-bottom:24px}
.news-card,.training-banner,.quick-grid,.content-box,.message-box,.info-table,.card,.job-card,.permit-card,.permit-image,.pdf-box,.contact-card,.form,.download-list a,.sitemap-grid a,.faq details{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 32px rgba(0,63,158,.08)}
.section-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.section-head h2{font-size:26px;color:var(--blue);margin:0}
.section-head a{font-weight:900;color:var(--blue)}
.news-list article,.news-page article{display:grid;grid-template-columns:110px 86px 1fr 18px;gap:12px;align-items:center;padding:13px 24px;border-bottom:1px solid var(--line)}
.news-list article:last-child{border-bottom:0}
.news-list time,.news-page time{font-weight:800;color:#60708a}
.tag{font-size:12px;border-radius:4px;color:#fff;text-align:center;padding:3px 8px;font-weight:900}
.tag.blue{background:var(--blue2)}
.tag.green{background:var(--green)}
.news-list p,.news-page p{margin:0;color:#25364e;font-weight:800;font-size:14px}
.news-list b{font-size:22px;color:var(--blue)}
.training-banner{position:relative;overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr;min-height:250px}
.training-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f2f8ff 0%,rgba(242,248,255,.96) 37%,rgba(242,248,255,.55) 60%,rgba(242,248,255,0));z-index:2}
.training-text{position:relative;z-index:3;padding:34px 28px}
.training-text h2{font-size:24px;color:var(--blue);margin:0 0 10px}
.training-text p{font-weight:800;color:#20334e}
.training-banner img{width:100%;height:100%;object-fit:cover}

.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);overflow:hidden}
.quick-grid a{min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--blue);font-weight:900;border-right:1px solid var(--line);transition:.2s}
.quick-grid a:last-child{border-right:0}
.quick-grid a:hover{background:#f0f7ff}
.quick-grid span{font-size:38px}
.quick-grid b{font-size:14px}

.footer{background:var(--blue);color:#fff;padding:20px 0;text-align:center}
.footer-links{display:flex;align-items:center;justify-content:center;gap:16px;font-size:13px;margin-bottom:8px}
.footer-copy{font-size:13px;opacity:.95}
.backtop{position:fixed;right:24px;bottom:22px;width:56px;height:56px;border-radius:50%;background:var(--blue);color:#fff;border:1px solid rgba(255,255,255,.7);z-index:200;font-size:26px;display:none;box-shadow:0 10px 28px rgba(0,63,158,.25)}
.backtop.show{display:block}

.page-hero{position:relative;padding:130px 0 70px;background:linear-gradient(90deg,rgba(239,248,255,.94),rgba(239,248,255,.72)),url("../images/fuji-sakura.webp") center/cover no-repeat}
.eyebrow{color:var(--blue);font-size:13px;letter-spacing:.12em;font-weight:900;text-transform:uppercase;margin:0 0 8px}
.page-hero h1,h2{font-size:clamp(30px,3.5vw,44px);line-height:1.35;color:var(--blue);margin:0 0 14px}
.page-hero p{max-width:760px;color:#315b90;font-weight:800}
.section{padding:72px 0}
.pale{background:#f0f7ff}
.two-col,.permit-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.content-box,.message-box,.permit-card,.contact-card,.form,.pdf-box{padding:30px}
.content-box p,.message-box p{color:#43556c}
.info-table{overflow:hidden}
.info-table dl{display:grid;grid-template-columns:170px 1fr;margin:0;border-bottom:1px solid var(--line)}
.info-table dt{background:#f0f7ff;color:var(--blue);font-weight:900;padding:16px 20px}
.info-table dd{padding:16px 20px;margin:0}
.signature{text-align:right;color:var(--blue);font-weight:900}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{padding:28px;transition:.22s}
.card:hover{transform:translateY(-5px)}
.card span{font-size:30px;color:var(--blue);font-weight:900}
.card h3{color:var(--blue);margin:8px 0}
.card p{color:#536274}
.flow-grid,.job-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow-grid div,.job-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;box-shadow:0 12px 32px rgba(0,63,158,.08)}
.flow-grid span{display:grid;place-items:center;width:48px;height:48px;background:var(--blue);color:#fff;border-radius:999px;font-weight:900;margin-bottom:12px}
.flow-grid h3,.job-card h3{color:var(--blue)}
.job-card div{font-size:38px}
.note-box{background:#fff;border-left:5px solid var(--blue);border-radius:8px;padding:16px 20px;box-shadow:0 10px 28px rgba(0,63,158,.06)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{position:relative;border:0;background:none;padding:0;cursor:pointer;border-radius:8px;overflow:hidden;box-shadow:0 12px 32px rgba(0,63,158,.12)}
.gallery-item img{width:100%;height:230px;object-fit:cover;transition:.25s}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item span{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(90deg,rgba(0,63,158,.93),rgba(0,63,158,.65));color:#fff;font-weight:900;padding:9px 13px;text-align:left}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.86);z-index:999;align-items:center;justify-content:center;padding:40px 80px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:82vh;border-radius:8px}
.lightbox p{position:absolute;bottom:20px;color:#fff;font-weight:900}
.lightbox button{position:absolute;width:54px;height:54px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:36px;cursor:pointer}
.lightbox-close{top:24px;right:24px}
.lightbox-prev{left:24px}
.lightbox-next{right:24px}
.permit-card dl{display:grid;grid-template-columns:140px 1fr;gap:12px}
.permit-card dt{color:var(--blue);font-weight:900}
.permit-card dd{margin:0}
.permit-image{padding:14px}
.permit-image img{border-radius:6px}
.pdf-box iframe{width:100%;height:600px;border:0}
.fee-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:22px}
.fee-summary div{background:linear-gradient(135deg,var(--blue),var(--deep));color:#fff;border-radius:8px;padding:26px}
.fee-summary span{font-weight:900}
.fee-summary strong{display:block;font-size:36px}
.fee-table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:22px}
.fee-table{width:100%;border-collapse:collapse;min-width:720px}
.fee-table th,.fee-table td{padding:15px;border-bottom:1px solid var(--line);text-align:left}
.fee-table th{background:#f0f7ff;color:var(--blue)}
.download-list,.sitemap-grid{display:grid;gap:14px}
.download-list a,.sitemap-grid a{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-weight:900;color:var(--blue)}
.download-list span{background:var(--blue);color:#fff;border-radius:999px;padding:4px 12px}
.news-page{display:grid;gap:0}
.news-page article{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:14px;box-shadow:0 12px 32px rgba(0,63,158,.08)}
.faq details{padding:18px 22px;margin-bottom:14px}
.faq summary{font-weight:900;color:var(--blue);cursor:pointer}
.map{width:100%;height:280px;border:0;border-radius:8px}
label{display:block;margin-bottom:14px;font-weight:900;color:var(--blue)}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;margin-top:6px;font:inherit}
textarea{height:150px}
.form button{border:0;background:var(--blue);color:#fff;border-radius:8px;padding:13px 24px;font-weight:900}
.form p{font-size:13px;color:var(--muted)}
.sitemap-grid{grid-template-columns:repeat(3,1fr)}

@media(max-width:1180px){
  .menu-btn{display:block}
  .nav{position:absolute;top:74px;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:flex-start;padding:18px 28px;box-shadow:0 18px 40px rgba(0,63,158,.14)}
  .nav.open{display:flex}
  .nav a{height:auto;padding:8px 0}
  .lang{display:none}
  .brand{min-width:auto}
  .feature-grid,.cards{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:820px){
  .header-inner{height:68px;padding:0 16px}
  .brand strong{font-size:18px}
  .brand small{font-size:10px}
  .hero{height:650px;min-height:650px;background-position:center}
  .hero-inner{align-items:flex-start;padding-top:130px}
  .hero h1{font-size:34px}
  .feature-band{margin-top:-35px}
  .feature-grid,.panel-grid,.training-banner,.quick-grid,.two-col,.permit-grid,.contact-grid,.flow-grid,.job-grid,.gallery-grid,.fee-summary,.sitemap-grid{grid-template-columns:1fr}
  .training-banner{min-height:auto}
  .training-banner img{height:230px}
  .section{padding:55px 0}
  .news-list article,.news-page article{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .info-table dl{grid-template-columns:1fr}
  .permit-card dl{grid-template-columns:1fr}
  .lightbox{padding:40px 16px}
  .pdf-box iframe{height:470px}
}


/* ===== Premium refinement v1.1 ===== */
:root{
  --glass: rgba(255,255,255,.72);
  --shadow-soft: 0 18px 50px rgba(0,63,158,.11);
  --shadow-hover: 0 28px 70px rgba(0,63,158,.18);
}

body{
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.95), transparent 26rem),
    linear-gradient(180deg,#f9fcff 0%,#eef7ff 48%,#ffffff 100%);
}

.site-header{
  background:rgba(230,244,255,.64);
  box-shadow:0 8px 28px rgba(0,63,158,.05);
}
.site-header.scrolled{
  background:rgba(255,255,255,.88);
  box-shadow:0 12px 38px rgba(0,63,158,.11);
}
.brand strong{
  letter-spacing:.035em;
}
.brand small{
  opacity:.9;
}

.hero{
  height:640px;
  min-height:640px;
  background-position:center center;
}
.hero:after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:170px;
  background:linear-gradient(180deg,rgba(247,251,255,0),rgba(247,251,255,.96));
  z-index:1;
}
.hero-overlay{
  background:
    linear-gradient(90deg,rgba(238,248,255,.96),rgba(238,248,255,.62) 34%,rgba(238,248,255,.18) 68%,rgba(238,248,255,.02)),
    radial-gradient(circle at 70% 32%,rgba(255,255,255,.08),transparent 34rem);
}
.hero-copy{
  transform:translateY(-4px);
  animation:heroFadeUp .85s ease-out both;
}
.hero h1{
  font-size:clamp(44px,5.2vw,68px);
  text-shadow:0 2px 14px rgba(255,255,255,.78);
}
.hero p{
  max-width:650px;
  text-shadow:0 1px 10px rgba(255,255,255,.7);
}
.btn{
  border-radius:999px;
  box-shadow:0 14px 36px rgba(0,63,158,.24);
}
.btn.primary{
  background:linear-gradient(135deg,#003f9e,#005bd1);
}
.btn.primary:hover{
  box-shadow:0 20px 44px rgba(0,63,158,.32);
}

.feature-band{
  margin-top:-72px;
}
.feature-card{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.72);
  border-bottom:1px solid rgba(0,63,158,.14);
  border-radius:18px;
  box-shadow:var(--shadow-soft);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-hover);
}
.feature-icon{
  width:52px;
  height:52px;
  border-radius:16px;
  background:linear-gradient(135deg,#eaf4ff,#ffffff);
  box-shadow:inset 0 0 0 1px rgba(0,63,158,.08);
}
.feature-card h3{
  letter-spacing:.02em;
}

.main-panel{
  background:
    radial-gradient(circle at 10% 30%,rgba(255,255,255,.96),transparent 26rem),
    linear-gradient(180deg,#f7fbff,#edf7ff 58%,#ffffff);
  padding-top:58px;
}
.news-card,
.training-banner,
.quick-grid,
.content-box,
.message-box,
.info-table,
.card,
.job-card,
.permit-card,
.permit-image,
.pdf-box,
.contact-card,
.form,
.download-list a,
.sitemap-grid a,
.faq details{
  border-radius:18px;
  border:1px solid rgba(217,232,247,.92);
  box-shadow:var(--shadow-soft);
}
.news-card,
.training-banner{
  overflow:hidden;
}
.news-card:hover,
.training-banner:hover{
  box-shadow:var(--shadow-hover);
}
.section-head{
  background:linear-gradient(180deg,#fff,#f7fbff);
}
.news-list article{
  transition:.18s;
}
.news-list article:hover{
  background:#f5faff;
}
.training-banner:before{
  background:linear-gradient(90deg,#f2f8ff 0%,rgba(242,248,255,.98) 40%,rgba(242,248,255,.62) 64%,rgba(242,248,255,.04));
}
.training-banner img{
  filter:saturate(1.03) contrast(1.02);
}
.quick-grid{
  border-radius:18px;
}
.quick-grid a{
  background:rgba(255,255,255,.72);
  transition:.2s ease;
}
.quick-grid a:hover{
  background:#fff;
  transform:translateY(-4px);
  box-shadow:inset 0 -3px 0 var(--blue);
}
.quick-grid span{
  filter:drop-shadow(0 8px 12px rgba(0,63,158,.16));
}

.page-hero{
  padding-top:150px;
  border-bottom:1px solid rgba(0,63,158,.08);
}
.page-hero:after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:80px;
  background:linear-gradient(180deg,rgba(247,251,255,0),#f7fbff);
  pointer-events:none;
}
.section{
  position:relative;
}
.card,
.job-card,
.flow-grid div{
  transition:.22s ease;
}
.card:hover,
.job-card:hover,
.flow-grid div:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.card span{
  display:inline-flex;
  min-width:54px;
  height:54px;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:linear-gradient(135deg,#eaf4ff,#ffffff);
}

.gallery-item{
  border-radius:18px;
  box-shadow:var(--shadow-soft);
}
.gallery-item span{
  backdrop-filter:blur(8px);
}
.gallery-item:hover{
  box-shadow:var(--shadow-hover);
}
.footer{
  background:linear-gradient(135deg,#002b72,#0048ad);
}
.backtop{
  backdrop-filter:blur(12px);
  background:linear-gradient(135deg,#003f9e,#005bd1);
}

[data-animate]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .72s ease, transform .72s ease;
}
[data-animate].is-visible{
  opacity:1;
  transform:translateY(0);
}

@keyframes heroFadeUp{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(-4px)}
}

@media(max-width:820px){
  .hero{
    height:720px;
    min-height:720px;
  }
  .feature-band{
    margin-top:-44px;
  }
}