:root{
  --ink:#284c61;
  --ink-2:#3c687b;
  --blue:#5e9eb2;
  --blue-deep:#356f86;
  --aqua:#9bcbd1;
  --cream:#fbf8f0;
  --paper:#fffdf8;
  --mist:#eef6f6;
  --line:#d7e5e6;
  --soft:#f4f8f6;
  --shadow:0 18px 50px rgba(38,78,92,.10);
  --radius:24px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:#263d48;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:min(calc(100% - 32px),var(--container));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.fiction-strip{background:#e8f3f4;border-bottom:1px solid var(--line);color:var(--ink);font-size:.9rem}
.fiction-strip .container{display:flex;justify-content:center;padding:8px 0;text-align:center}
.utility{background:#fff;border-bottom:1px solid #edf1ef}
.utility-inner{min-height:38px;display:flex;justify-content:flex-end;align-items:center;gap:18px;color:#5d7179;font-size:.86rem}
.utility a:hover{color:var(--blue-deep)}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-main{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;max-width:430px}
.brand img{width:100%;height:auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-size:1.25rem}
.global-nav{display:flex;align-items:center;gap:3px}
.global-nav a,.nav-group>button{display:flex;align-items:center;min-height:48px;padding:0 13px;border:0;background:transparent;color:var(--ink);font-weight:700;font-size:.93rem;cursor:pointer;border-radius:10px}
.global-nav a:hover,.global-nav a.active,.nav-group>button:hover{background:var(--mist);color:var(--blue-deep)}
.nav-group{position:relative}
.nav-group .dropdown{display:none;position:absolute;top:48px;left:0;min-width:220px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.nav-group:hover .dropdown,.nav-group:focus-within .dropdown{display:block}
.nav-group .dropdown a{min-height:40px;padding:0 12px}

.hero{position:relative;min-height:620px;display:flex;align-items:stretch;overflow:hidden;background:#dceef1}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(250,248,240,.94) 0%,rgba(250,248,240,.78) 38%,rgba(250,248,240,.08) 72%,rgba(250,248,240,0) 100%)}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:620px}
.hero-copy{width:min(620px,60%);padding:80px 0}
.hero-kicker{margin:0 0 18px;color:var(--blue-deep);font-weight:800;letter-spacing:.15em;font-size:.9rem}
.hero h1{margin:0 0 22px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(2.5rem,5.3vw,5rem);line-height:1.22;letter-spacing:.04em;color:var(--ink)}
.hero-lead{font-size:1.12rem;color:#476571;max-width:42rem;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:800;box-shadow:0 8px 22px rgba(43,79,94,.08);transition:.2s}
.button:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(43,79,94,.14)}
.button.primary{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-deep) 100%);color:white;border-color:transparent}
.button.ghost{background:rgba(255,255,255,.72)}

.audience-panel{margin-top:-44px;position:relative;z-index:4}
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.audience-grid a{padding:22px;border-right:1px solid var(--line);text-align:center;font-weight:800;color:var(--ink);background:#fff}
.audience-grid a:last-child{border-right:0}
.audience-grid a:hover{background:var(--mist)}
.audience-grid small{display:block;font-weight:500;color:#71848c;margin-top:2px}

.section{padding:86px 0}
.section.soft{background:var(--soft)}
.section.mist{background:linear-gradient(180deg,#eef6f6 0%,#f8fbf9 100%)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
.eyebrow{margin:0 0 8px;color:var(--blue-deep);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;font-weight:900}
.section-heading h2,.page-title h1{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;color:var(--ink);letter-spacing:.04em}
.section-heading h2{font-size:clamp(1.85rem,3.2vw,2.8rem)}
.section-intro{max-width:650px;color:#60747c;margin:0}
.more-link{font-weight:800;color:var(--blue-deep);white-space:nowrap}

.important{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}
.important-main,.notice-list,.card,.feature,.panel,.news-card,.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.important-main{padding:30px;background:linear-gradient(135deg,#f3fbfb 0%,#fffdf8 100%)}
.label{display:inline-flex;align-items:center;min-height:30px;padding:0 11px;border-radius:999px;background:#dceff1;color:var(--blue-deep);font-size:.82rem;font-weight:900}
.important-main h3{margin:14px 0 10px;font-size:1.35rem;color:var(--ink)}
.important-main p{margin:0 0 18px;color:#5a7079}
.notice-list{overflow:hidden}
.notice-item{display:grid;grid-template-columns:105px 1fr;gap:15px;padding:18px 22px;border-bottom:1px solid #e8efed}
.notice-item:last-child{border-bottom:0}
.notice-item time{color:var(--blue-deep);font-weight:800;font-size:.9rem}
.notice-item p{margin:0;font-weight:700;color:#405963}

.cards{display:grid;gap:22px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{overflow:hidden}
.card img{width:100%;height:210px;object-fit:cover}
.card-body{padding:24px}
.card h3{margin:0 0 9px;color:var(--ink);font-size:1.25rem}
.card p{margin:0;color:#60747c}
.card .link-row{margin-top:16px;color:var(--blue-deep);font-weight:800}

.faculty-card{padding:26px;position:relative;overflow:hidden;background:#fff}
.faculty-card::after{content:"";position:absolute;width:110px;height:110px;border:1px solid #d9e9e9;border-radius:50%;right:-34px;bottom:-45px}
.faculty-card h3{margin:0 0 8px;color:var(--ink)}
.faculty-card p{margin:0;color:#64767d;font-size:.95rem}
.faculty-card ul{margin:14px 0 0;padding-left:1.2rem;color:#47606b}

.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.feature{overflow:hidden}
.feature img{width:100%;height:100%;min-height:360px;object-fit:cover}
.feature-copy{padding:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}
.feature-copy h3{margin:0 0 14px;font-size:1.55rem;color:var(--ink);font-family:"Yu Mincho","Hiragino Mincho ProN",serif}
.feature-copy p{margin:0 0 16px;color:#61777f}
.link-list{display:grid;gap:10px;margin-top:10px}
.link-list a{padding:12px 14px;background:var(--mist);border-radius:12px;font-weight:800;color:var(--blue-deep)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{padding:25px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px}
.stat strong{display:block;font-family:"Yu Mincho",serif;font-size:2rem;color:var(--blue-deep)}
.stat span{color:#60757e;font-size:.92rem}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{padding:24px}
.news-card time{display:block;color:var(--blue-deep);font-weight:900;font-size:.9rem;margin-bottom:8px}
.news-card h3{margin:0 0 8px;color:var(--ink);font-size:1.08rem}
.news-card p{margin:0;color:#667980}

.page-hero{background:linear-gradient(135deg,#edf7f7 0%,#fbf8f0 100%);border-bottom:1px solid var(--line)}
.page-title{padding:62px 0 54px}
.breadcrumb{font-size:.88rem;color:#6d7f86;margin-bottom:18px}
.page-title h1{font-size:clamp(2rem,4vw,3.4rem)}
.page-title p{margin:14px 0 0;max-width:760px;color:#5d747d;font-size:1.05rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.prose h2{font-family:"Yu Mincho",serif;color:var(--ink);font-size:2rem;margin:0 0 15px}
.prose h3{color:var(--ink);margin:24px 0 8px}
.prose p{color:#5f747c;margin:0 0 14px}
.quote{padding:28px;border-left:4px solid var(--aqua);background:#f3f9f8;border-radius:0 16px 16px 0;font-family:"Yu Mincho",serif;font-size:1.35rem;color:var(--ink)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:700px}
th,td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left}
th{background:#eff7f6;color:var(--ink)}
tr:last-child td{border-bottom:0}

.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.map-placeholder{min-height:350px;border-radius:var(--radius);border:1px solid var(--line);background:radial-gradient(circle at 50% 46%,rgba(108,174,187,.22) 0 7%,transparent 8%),linear-gradient(135deg,#eef7f7,#faf7ef);position:relative;overflow:hidden;box-shadow:var(--shadow)}
.map-placeholder::before,.map-placeholder::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(35deg,transparent 0 75px,rgba(88,144,160,.10) 76px 78px)}
.map-label{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;padding:18px 22px;border-radius:14px;box-shadow:var(--shadow);text-align:center;color:var(--ink);font-weight:800}

.travel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.travel-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.travel-card h3{margin:0 0 8px;color:var(--ink);font-size:1rem}
.travel-card strong{display:block;color:var(--blue-deep);font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:1.75rem;line-height:1.3;margin-bottom:10px}
.travel-card p{margin:0;color:#62777f;font-size:.94rem}
.boundary-note{padding:30px;background:linear-gradient(135deg,#f2f9f9 0%,#fffdf8 100%);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.boundary-note p{margin:0 0 12px;color:#586f78}
.boundary-note p:last-of-type{margin-bottom:0}

.site-footer{background:#294b5c;color:#f3f7f7;margin-top:40px}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:44px;padding:54px 0 36px}
.footer-brand img{width:360px;filter:brightness(0) invert(1);opacity:.95}
.footer-brand p{color:#dbe7e9;margin:16px 0 0}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-links h3{font-size:.92rem;margin:0 0 10px;color:#fff}
.footer-links a{display:block;color:#d4e2e5;margin:7px 0;font-size:.9rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:18px 0;display:flex;justify-content:space-between;gap:20px;color:#d5e2e4;font-size:.84rem}

@media(max-width:1050px){
  .global-nav{position:fixed;left:16px;right:16px;top:145px;display:none;flex-direction:column;align-items:stretch;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
  .global-nav.open{display:flex}
  .global-nav a,.nav-group>button{width:100%;justify-content:flex-start}
  .nav-group .dropdown{position:static;display:block;border:0;box-shadow:none;padding:0 0 0 14px}
  .nav-toggle{display:block}
  .important,.feature-grid,.split,.access-grid{grid-template-columns:1fr}
  .cards.four{grid-template-columns:repeat(2,1fr)}
  .travel-grid{grid-template-columns:repeat(2,1fr)}
  .cards.three,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
}
@media(max-width:720px){
  .utility{display:none}
  .header-main{min-height:74px}
  .brand{max-width:300px}
  .global-nav{top:106px}
  .hero{min-height:640px}
  .hero-media::after{background:linear-gradient(180deg,rgba(250,248,240,.88),rgba(250,248,240,.84) 55%,rgba(250,248,240,.38))}
  .hero-inner{min-height:640px;align-items:flex-end}
  .hero-copy{width:100%;padding:70px 0 62px}
  .hero h1{font-size:2.55rem}
  .audience-grid{grid-template-columns:1fr 1fr}
  .audience-grid a{border-bottom:1px solid var(--line)}
  .cards.four,.cards.three,.news-grid,.stats,.travel-grid{grid-template-columns:1fr}
  .section{padding:66px 0}
  .section-heading{align-items:flex-start;flex-direction:column}
  .notice-item{grid-template-columns:1fr;gap:5px}
  .footer-links{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}
}