:root{
  --green:#00FF7F;
  --green-dark:#008F4A;
  --green-soft:#E8FFF3;
  --ink:#202722;
  --muted:#667169;
  --line:#dfe7e1;
  --paper:#ffffff;
  --bg:#f7faf8;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);line-height:1.85;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-inner{width:min(1240px,calc(100% - 28px));margin:auto;display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#202722;white-space:nowrap}
.brand img{width:38px;height:38px;object-fit:contain}
.brand span{font-size:18px;letter-spacing:.01em}
.nav{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}
.nav a{padding:26px 0 22px;position:relative}
.nav a:hover,.nav a.current{color:var(--green-dark)}
.nav a.current:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:0;background:var(--green)}
.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:white;border-radius:8px;padding:8px 12px;font-weight:700}
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero-inner{padding:68px 0 62px}
.kicker{font-size:13px;color:var(--green-dark);font-weight:800;letter-spacing:.08em;margin:0 0 10px}
.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.38;margin:0;letter-spacing:.01em}
.hero p{max-width:900px;margin:22px 0 0;color:#3f4942}
.section{padding:72px 0}
.section.alt{background:var(--bg)}
.section-title{display:flex;align-items:center;gap:12px;margin:0 0 26px;font-size:28px}
.section-title:before{content:"";width:5px;height:28px;background:var(--green);border-radius:3px}
.prose{max-width:920px}
.prose p{margin:0 0 1.2em}
.notice-list{border-top:1px solid var(--line)}
.notice-row{display:grid;grid-template-columns:130px 1fr;gap:24px;padding:20px 4px;border-bottom:1px solid var(--line)}
.notice-row time{color:var(--muted);font-size:14px}
.notice-row strong{font-size:17px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.card{border:1px solid var(--line);background:#fff;border-radius:14px;padding:26px}
.card h2,.card h3{margin-top:0}
.card h3{font-size:19px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:white;border:1px solid var(--line)}
th,td{padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
th{width:210px;background:var(--green-soft);color:var(--green-dark)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:8px;background:var(--green-dark);color:#fff;font-weight:800}
.btn.sub{background:#fff;color:var(--green-dark);border:1px solid var(--green-dark)}
.officer-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.officer{border-bottom:1px solid var(--line);padding:15px 0}
.officer .role{font-size:13px;font-weight:800;color:var(--green-dark)}
.officer .name{font-size:19px;font-weight:800}
.officer .affil{color:var(--muted)}
.contact-box{border:1px solid var(--line);border-left:5px solid var(--green);background:var(--green-soft);padding:24px;border-radius:10px}
.site-footer{background:#173023;color:#eef5f0;padding:42px 0 22px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800}
.footer-brand img{width:34px;height:34px;object-fit:contain;background:white;border-radius:6px}
.footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px}
.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:18px;font-size:12px;color:#bed0c4}
.small{font-size:13px;color:var(--muted)}
@media(max-width:900px){
 .brand span{font-size:15px}
 .menu-btn{display:block}
 .nav{display:none;position:absolute;left:0;right:0;top:76px;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 20px;flex-direction:column;align-items:stretch;gap:0}
 .nav.open{display:flex}
 .nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
 .nav a.current:after{display:none}
 .grid-2,.officer-list,.footer-inner{grid-template-columns:1fr}
 .notice-row{grid-template-columns:1fr;gap:5px}
}

.form-section{max-width:900px}.form-box{border:1px solid var(--line);border-radius:14px;background:#fff;padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-field.full{grid-column:1/-1}
.form-field label,.field-title{display:block;font-weight:800;margin-bottom:7px}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 13px;border:1px solid #cbd7ce;border-radius:8px;background:#fff;font:inherit}
.form-field textarea{min-height:150px}.required{display:inline-block;background:#b63d47;color:#fff;border-radius:4px;font-size:10px;padding:1px 6px;margin-left:6px}
.radio-list{display:flex;gap:18px;flex-wrap:wrap;padding:12px 0}.radio-list label{font-weight:500}.radio-list input{width:auto}
.student-fields{display:none;background:var(--green-soft);border-radius:10px;padding:20px;margin-top:8px}.student-fields.show{display:grid}
.fee-result{border:2px solid var(--green);border-radius:10px;padding:18px 20px;background:#fff;margin-top:20px}.fee-result strong{color:var(--green-dark);font-size:24px}
.form-note{font-size:13px;color:var(--muted)}.preview-success{display:none;border:1px solid var(--green);background:var(--green-soft);padding:24px;border-radius:12px;margin-bottom:22px}.preview-success.show{display:block}
@media(max-width:700px){.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.form-box{padding:20px}}

.privacy-box{background:var(--green-soft);border:1px solid #cfe4d3;border-radius:10px;padding:20px;margin-top:8px}
.privacy-box h3{margin:0 0 10px;font-size:17px;color:var(--green-dark)}
.privacy-box p{margin:0;font-size:14px;line-height:1.8}
.postal-row{display:grid;grid-template-columns:190px auto;gap:12px;align-items:end}
.postal-button{min-height:46px;border:1px solid var(--green-dark);background:white;color:var(--green-dark);font-weight:800;border-radius:8px;padding:0 16px;cursor:pointer}
.address-status{font-size:13px;color:var(--muted);margin-top:6px}
.turnstile-box{border:1px solid #bfc9c1;border-radius:8px;background:#fafafa;min-height:70px;padding:15px 18px;display:flex;align-items:center;gap:12px;max-width:360px}
.turnstile-check{width:28px;height:28px;border:2px solid #89958d;border-radius:4px;background:white}
.turnstile-copy strong{display:block;font-size:14px}.turnstile-copy span{font-size:12px;color:var(--muted)}
@media(max-width:700px){.postal-row{grid-template-columns:1fr}.postal-button{width:100%}}

.notice-row{grid-template-columns:170px minmax(0,1fr)}
.notice-row time{white-space:nowrap}
@media(max-width:900px){
  .notice-row{grid-template-columns:150px minmax(0,1fr)}
}
@media(max-width:700px){
  .notice-row{grid-template-columns:1fr}
  .notice-row time{white-space:normal}
}

.form-field.is-invalid input,
.form-field.is-invalid select,
.form-field.is-invalid textarea,
.form-field.is-invalid .radio-list,
.form-field.is-invalid .cf-turnstile{
  border-color:#c62828;
  background:#fff7f7;
  box-shadow:0 0 0 2px rgba(198,40,40,.10);
}
.form-field.is-invalid > label,
.form-field.is-invalid > .field-title{
  color:#b71c1c;
}
.field-error{
  margin:7px 0 0;
  color:#b71c1c;
  font-size:13px;
  font-weight:700;
}

.validation-summary{margin:0 0 24px;padding:16px 18px;border:2px solid #c62828;border-radius:10px;background:#fff5f5;color:#8e0000}.validation-summary[hidden]{display:none}.validation-summary strong{display:block;margin-bottom:8px;font-size:16px}.validation-summary ul{margin:0;padding-left:1.4em}.validation-summary li{margin:4px 0}.form-field.is-invalid input:not([type="checkbox"]):not([type="radio"]),.form-field.is-invalid select,.form-field.is-invalid textarea,.form-field.is-invalid .radio-list,.form-field.is-invalid .cf-turnstile{border-color:#c62828!important;background:#fff5f5!important;box-shadow:0 0 0 2px rgba(198,40,40,.12)!important}.form-field.is-invalid>label,.form-field.is-invalid>.field-title{color:#b71c1c!important}.form-field.is-invalid input[type="checkbox"],.form-field.is-invalid input[type="radio"]{accent-color:#c62828;outline:2px solid #c62828;outline-offset:2px}.field-error{margin:7px 0 0;color:#b71c1c;font-size:13px;line-height:1.6;font-weight:700}