:root{
  --navy:#003568;
  --deep:#002f61;
  --blue:#00569e;
  --gold:#c89d2c;
  --gold-light:#e9d7a6;
  --ink:#132f4b;
  --muted:#5b6b78;
  --line:#d9e1e8;
  --pale:#f5f8fb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"Yu Mincho","Hiragino Mincho ProN","BIZ UDPMincho","Noto Serif JP",serif;background:#fff;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
.container{width:min(1080px,calc(100% - 48px));margin:auto}
.header{height:86px;background:#fff;display:flex;align-items:center;border-bottom:1px solid #e8edf1;position:relative;z-index:20}
.header-inner{width:min(1180px,calc(100% - 36px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo-wrap{display:flex;align-items:center;gap:12px;min-width:260px}
.logo-wrap img{width:78px;height:68px;object-fit:contain}
.logo-name{font-size:12px;letter-spacing:.08em;color:#153450;line-height:1.5;white-space:nowrap}
.nav{display:flex;align-items:center;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif;font-weight:700;font-size:14px}
.nav a{padding:10px 22px;border-left:1px solid var(--gold-light);position:relative;white-space:nowrap}
.nav a:last-child{border-right:1px solid var(--gold-light)}
.nav a:hover{color:var(--gold)}

/* Hero */
.hero{position:relative;min-height:min(72vh,620px);display:flex;align-items:center;justify-content:center;overflow:hidden;background:#0a3a6b center/cover no-repeat;background-image:linear-gradient(rgba(8,40,74,.28),rgba(8,40,74,.38)),url("../assets/mes_image02.png")}
.hero-logo{position:relative;z-index:2;width:min(420px,72vw);height:auto;filter:drop-shadow(0 8px 28px rgba(0,30,60,.25))}
.hero-rule{height:3px;background:linear-gradient(90deg,transparent,var(--gold) 18%,var(--gold) 82%,transparent)}

/* News */
.news{position:relative;overflow:hidden;padding:88px 0 100px;background:#fff}
.news:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(180,196,210,.18) 1px,transparent 1px);background-size:100% 38px;pointer-events:none}
.news-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:150px 640px;
  grid-template-areas:
    "heading board"
    ". more";
  column-gap:48px;
  row-gap:36px;
  align-items:center;
  width:fit-content;
  max-width:100%;
  margin:0 auto;
  padding-right:180px; /* 右にはみ出すイラスト分 */
  box-sizing:content-box;
}
.news-heading{grid-area:heading;align-self:center;padding-top:0}
.news-heading .en{display:block;font-size:42px;line-height:1;letter-spacing:.06em;color:var(--navy);font-weight:700}
.news-heading .jp{display:block;margin-top:10px;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;font-weight:700;letter-spacing:.18em;color:var(--navy)}
.news-heading:after{content:"";display:block;width:48px;height:2px;background:var(--gold);margin-top:18px}
.news-board{grid-area:board;position:relative;z-index:1}
.news-panel{position:relative;z-index:1;background:#fff;border:1px solid var(--line)}
.news-list{list-style:none;margin:0;padding:0}
.news-list a{display:grid;grid-template-columns:108px 18px 1fr;align-items:center;gap:0;padding:22px 28px;border-bottom:1px solid var(--line);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;transition:background .2s}
.news-list li:last-child a{border-bottom:0}
.news-list a:hover{background:var(--pale)}
.news-list .date{font-size:13px;letter-spacing:.04em;color:#6a7d8c}
.news-list .sep{color:#c5ced6;text-align:center}
.news-list .title{font-size:15px;color:var(--ink);letter-spacing:.02em}
.news-illust{
  position:absolute;
  left:calc(100% - 36px);
  bottom:-22px;
  width:270px;
  z-index:2;
  pointer-events:none;
}
.news-illust img{width:100%;height:auto;display:block}
.news-more-wrap{grid-area:more;margin:0;text-align:center}
.news-more{display:inline-flex;align-items:center;gap:28px;min-width:220px;justify-content:space-between;padding:12px 18px 12px 22px;border:1px solid var(--gold);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;font-weight:700;color:var(--navy);background:#fff}
.news-more:after{content:"›";font-size:24px;line-height:1;color:var(--gold)}
.news-more:hover{background:#fffaf0}

/* Cards */
.cards{background:var(--navy);padding:72px 0 80px}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{display:flex;flex-direction:column;background:#fff;min-height:100%;overflow:hidden;transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:#dfe7ef}
.card-img img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .45s ease}
.card-img--school img{object-position:center 42%}
.card-img--class img{object-position:center 38%}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;flex:1;padding:28px 26px 24px}
.card-body h2{margin:0;font-size:24px;line-height:1.4;color:var(--navy);letter-spacing:.04em;font-weight:700}
.card-body .en{display:block;margin-top:6px;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:12px;letter-spacing:.16em;color:var(--gold);font-weight:700}
.card-body p{margin:18px 0 0;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;line-height:1.95;color:#445868;flex:1}
.card-more{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:13px;font-weight:700;color:var(--navy)}
.card-more:after{content:"›";font-size:22px;line-height:1;color:var(--gold)}

/* Contact */
.contact{position:relative;padding:96px 0 100px;color:#fff;background:center/cover no-repeat url("../assets/mes_image01.png")}
.contact:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(0,45,90,.86),rgba(0,55,105,.88))}
.contact-inner{position:relative;z-index:2;width:min(760px,calc(100% - 48px));margin:auto}
.contact h2{margin:0;text-align:center;font-size:32px;letter-spacing:.08em;font-weight:600}
.contact h2:after{content:"";display:block;width:46px;height:2px;background:var(--gold);margin:18px auto 42px}
.form-row{display:grid;grid-template-columns:160px 1fr;gap:14px;margin-bottom:14px;align-items:stretch}
.form-row label{display:flex;align-items:center;justify-content:center;background:var(--navy);border:1px solid rgba(255,255,255,.18);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;font-weight:700;letter-spacing:.06em;padding:14px 10px;text-align:center}
.form-row input,
.form-row textarea{width:100%;border:0;background:#fff;color:var(--ink);padding:14px 16px;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:15px}
.form-row textarea{min-height:150px;resize:vertical}
.form-row.textarea-row{align-items:stretch}
.form-row.textarea-row label{align-items:flex-start;padding-top:18px}
.privacy{display:flex;align-items:flex-start;gap:10px;justify-content:center;margin:28px 0 0;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:13px;line-height:1.7;color:rgba(255,255,255,.92)}
.privacy input{margin-top:4px;accent-color:var(--gold)}
.privacy a{color:#f0d78e;text-decoration:underline}
.submit-wrap{text-align:center;margin-top:28px}
.submit{min-width:180px;padding:14px 40px;border:1px solid var(--gold);background:var(--navy);color:#fff;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:15px;font-weight:700;letter-spacing:.18em;cursor:pointer}
.submit:hover{background:#002a52}
.tokai70-form-ok,.tokai70-form-ng{font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;line-height:1.7;text-align:center;padding:14px 16px;margin:0 0 24px;border:1px solid}
.tokai70-form-ok{background:rgba(255,255,255,.12);border-color:rgba(240,215,142,.55);color:#f5e6b8}
.tokai70-form-ng{background:rgba(120,20,20,.35);border-color:rgba(255,180,180,.45);color:#ffd6d6}

/* News archive / single */
.news-archive{padding:72px 0 96px;background:#fff}
.news-archive .page-head{margin:0 0 36px}
.news-archive .page-head .en{display:block;font-family:Georgia,"Times New Roman",serif;font-size:13px;letter-spacing:.18em;color:var(--gold);margin-bottom:8px}
.news-archive .page-head h1{margin:0;font-size:28px;letter-spacing:.08em;color:var(--navy);font-weight:600}
.news-archive .news-panel{max-width:720px;border:1px solid var(--line);background:#fff}
.news-single{padding:72px 0 96px;background:#fff}
.news-single .entry-date{display:block;font-size:13px;letter-spacing:.04em;color:#6a7d8c;margin-bottom:12px}
.news-single h1{margin:0 0 28px;font-size:26px;letter-spacing:.04em;color:var(--navy);line-height:1.5;font-weight:600}
.news-single .entry-body{font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:15px;line-height:1.9;color:var(--ink)}
.news-single .entry-body p{margin:0 0 1.2em}
.news-back{margin-top:40px}
.news-back a{font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;font-weight:700;color:var(--navy);border-bottom:1px solid var(--gold);padding-bottom:4px}

/* Footer */
.back-home{padding:52px 0;background:#fff;text-align:center}
.back-home a{display:inline-flex;align-items:center;gap:32px;padding:13px 18px 13px 20px;border-bottom:1px solid var(--gold);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-weight:700;font-size:14px;color:var(--navy)}
.back-home a:after{content:"›";font-size:26px;color:var(--gold)}
.footer{background:var(--navy);color:#d9e7f4;text-align:center;padding:23px 18px;font-family:Arial,"Hiragino Kaku Gothic ProN",sans-serif;font-size:11px;letter-spacing:.02em}

@media (max-width:980px){
  .news-inner{
    grid-template-columns:140px minmax(0,1fr);
    padding-right:120px;
    width:100%;
    box-sizing:border-box;
  }
  .news-illust{width:200px;left:calc(100% - 24px);bottom:-16px}
  .cards-grid{gap:18px}
  .card-body{padding:22px 18px 18px}
  .card-body h2{font-size:20px}
}
@media (max-width:800px){
  .header{height:auto;padding:12px 0}
  .header-inner{align-items:flex-start}
  .logo-name{display:none}
  .nav{font-size:12px;flex-wrap:wrap;justify-content:flex-end}
  .nav a{padding:8px 12px}
  .hero{min-height:52vh}
  .hero-logo{width:min(300px,70vw)}
  .news{padding:64px 0 72px}
  .news-inner{
    grid-template-columns:1fr;
    grid-template-areas:
      "heading"
      "board"
      "more";
    padding-right:0;
    width:100%;
    gap:20px;
  }
  .news-heading .en{font-size:34px}
  .news-illust{position:static;width:min(240px,70%);margin:12px auto 0;display:block}
  .news-list a{grid-template-columns:96px 14px 1fr;padding:18px 18px}
  .cards{padding:48px 0 56px}
  .cards-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .contact{padding:72px 0 80px}
  .contact h2{font-size:26px}
  .form-row{grid-template-columns:1fr;gap:8px}
  .form-row label{justify-content:flex-start;padding:12px 16px}
}
@media (max-width:560px){
  .container,.contact-inner{width:min(100% - 32px,1080px)}
  .header-inner{display:block}
  .logo-wrap{min-width:0;justify-content:center}
  .nav{margin-top:8px;justify-content:center}
  .nav a{border-left:0!important;border-right:0!important;padding:8px 9px}
  .news-list a{display:block}
  .news-list .sep{display:none}
  .news-list .date{display:block;margin-bottom:6px}
  .privacy{align-items:flex-start;text-align:left}
}

/* Opening */
#opening{
  z-index:1000;
  position:fixed;
  inset:0;
  display:flex;
  justify-content:center;
  align-items:center;
  background:var(--navy);
  opacity:1;
  visibility:visible;
  transition:opacity 1.2s ease,visibility 1.2s ease;
}
#opening .op_logo{
  width:min(360px,68vw);
  height:auto;
  opacity:0;
  transform:translateY(18px) scale(.94);
  filter:blur(8px);
}
body.is-opening{overflow:hidden}
body.op_end #opening{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}