:root{--blue:#0753c7;--navy:#073174;--cyan:#24c7d9;--pale:#f3f8ff;--line:#d9e5f5;--text:#19304f;--orange:#ffb400;--shadow:0 14px 38px rgba(26,77,137,.10);--container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--text);background:#fff;line-height:1.75}a{color:inherit}.container{width:min(calc(100% - 40px),var(--container));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);border-bottom:1px solid #e5edf7;backdrop-filter:blur(10px)}.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:baseline;gap:10px;color:#135bbd;text-decoration:none}.brand b{font-size:31px;letter-spacing:.08em}.brand span{font-size:16px;font-weight:800;color:#1a4486}.header-actions{display:flex;align-items:center;gap:12px}.nav-corp-btn{display:inline-flex;align-items:center;gap:4px;padding:7px 14px;border-radius:999px;background:#f0f6ff;color:#075dcc;border:1.5px solid #b8d4f8;font-size:13px;font-weight:800;transition:all .2s ease;white-space:nowrap;text-decoration:none}.nav-corp-btn:hover{background:#075dcc;color:#fff;border-color:#075dcc;transform:translateY(-1px)}.back-link{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;border:2px solid #78a2df;background:#fff;color:#1550a6;font-weight:800;font-size:14px;text-decoration:none;transition:.2s}.back-link:hover{background:#eff6ff;transform:translateY(-1px)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 35%,#eef8ff 100%);padding:60px 0}.hero:after{content:"";position:absolute;width:650px;height:650px;border-radius:50%;right:-160px;top:-180px;background:repeating-radial-gradient(circle at center,rgba(22,117,225,.09) 0 2px,transparent 3px 22px)}.hero-inner-layout{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:20px}.hero-inner{position:relative;z-index:2;max-width:760px}.eyebrow,.section-heading p,.modal-step{font-weight:900;letter-spacing:.15em;color:var(--blue);font-size:13px}.hero h1{font-size:clamp(40px,5vw,72px);line-height:1.24;color:var(--navy);margin:12px 0 22px}.lead{font-size:18px;max-width:650px}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.tags span{padding:8px 14px;border:1px solid #bad4f5;background:rgba(255,255,255,.85);border-radius:999px;color:var(--blue);font-weight:700;font-size:14px;box-shadow:0 5px 12px rgba(20,87,160,.08)}.hero-art{position:relative;z-index:2;min-height:300px}.bubble{position:absolute;display:grid;place-items:center;border-radius:50%;box-shadow:var(--shadow);font-size:28px;font-weight:900}.b1{width:82px;height:82px;background:#ffecf2;color:#f04f7c;left:18%;top:8%}.b2{width:100px;height:100px;background:#e9fbff;color:#11a9c3;right:18%;top:35%}.b3{width:66px;height:66px;background:#fff6d9;color:#e5a000;left:34%;bottom:8%}
.section{padding:70px 0}.alt{background:var(--pale)}.section-heading{text-align:center;margin-bottom:40px}.section-heading p{margin:0}.section-heading h2{font-size:clamp(28px,3vw,42px);color:var(--navy);margin:6px 0}.intern-steps{max-width:980px;margin:auto}.step-card{display:grid;grid-template-columns:90px 110px 1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}.step-card:before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(var(--blue),var(--cyan))}.step-label{font-weight:900;color:var(--blue);letter-spacing:.08em}.step-icon{width:94px;height:94px;border-radius:24px;display:grid;place-items:center;background:linear-gradient(135deg,#eaf3ff,#e7fcff);color:var(--blue);font-weight:900}.step-card h3{margin:3px 0 8px;color:var(--navy);font-size:24px}.step-card p{margin:0}.step-type{font-size:13px;font-weight:900;color:var(--blue);letter-spacing:.08em}.factory-step:before{background:linear-gradient(#21b9cc,#54b978)}.factory-step .step-icon{background:linear-gradient(135deg,#e8fbfd,#effced);color:#138f80}.step-arrow{text-align:center;font-size:30px;color:var(--blue);font-weight:900;line-height:1.2;padding:8px}.experience-points{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:24px 0 0}.experience-points span{border-radius:999px;padding:7px 13px;background:#eef6ff;color:var(--blue);font-size:13px;font-weight:800}.note{text-align:center;color:#66768c;font-size:13px;margin-top:24px}.outline-list{max-width:900px;margin:auto;background:#fff;border-radius:22px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}.outline-list div{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--line)}.outline-list div:last-child{border:0}.outline-list dt,.outline-list dd{padding:18px 22px;margin:0}.outline-list dt{font-weight:900;color:var(--navy);background:#f9fbff}
.flow{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:38px}.flow div{display:flex;align-items:center;gap:8px;font-weight:800;color:#8290a3}.flow div span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#dce6f4}.flow .active{color:var(--blue)}.flow .active span{background:var(--blue);color:#fff}.flow i{width:48px;height:1px;background:#c9d6e7}.entry form{max-width:980px;margin:auto}.form-card{padding:34px;background:#fff;border:1px solid var(--line);border-radius:22px;margin-bottom:22px;box-shadow:var(--shadow)}.form-card h3{color:var(--navy);font-size:22px;border-left:5px solid var(--blue);padding-left:14px;margin:0 0 26px}.field-row{display:grid;gap:20px}.field-row.two{grid-template-columns:1fr 1fr}label,legend{font-weight:800;color:var(--navy);display:block;margin-bottom:22px}label b,.consent b{font-size:11px;background:#e84e64;color:white;padding:3px 8px;border-radius:999px;margin-left:6px}label>span,legend span{font-size:12px;color:#73849b;font-weight:600}input,select,textarea{width:100%;margin-top:8px;padding:14px 16px;border:1px solid #c9d8ec;border-radius:12px;background:#fbfdff;color:var(--text);font:inherit;outline:none;transition:.2s}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(7,83,199,.1)}input.invalid,select.invalid,textarea.invalid{border-color:#e34e61;background:#fff7f8}fieldset{border:0;padding:0;margin:0 0 22px}.check-grid,.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px}.check-grid label,.stage-grid label{margin:0}.check-grid input,.stage-grid input{position:absolute;opacity:0}.check-grid span,.stage-grid span{display:block;padding:13px 12px;border:1px solid #cddbec;border-radius:12px;text-align:center;color:var(--navy);background:#fff;font-weight:800;cursor:pointer;height:100%}.check-grid input:checked+span,.stage-grid input:checked+span{background:#eaf3ff;border-color:var(--blue);color:var(--blue);box-shadow:0 0 0 3px rgba(7,83,199,.08)}.stage-grid strong{display:block;font-size:12px;letter-spacing:.1em;color:var(--blue);margin-bottom:3px}.stage-grid small{font-size:11px;color:#6d7c91}.consent-card{text-align:center}.consent{display:flex;justify-content:center;align-items:center;gap:10px;margin:0}.consent input{width:22px;height:22px;margin:0}.consent-card p{font-size:13px;color:#718198;margin-bottom:0}.form-error{max-width:720px;margin:0 auto 18px;background:#fff0f2;color:#b5263b;border:1px solid #f3b2bd;border-radius:12px;padding:14px;text-align:center;font-weight:700}.primary-button,.secondary-button{border:0;border-radius:999px;padding:17px 30px;font-size:17px;font-weight:900;cursor:pointer;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:18px}.primary-button{background:linear-gradient(135deg,var(--blue),#0874dd);color:white;box-shadow:0 12px 26px rgba(7,83,199,.24);min-width:300px;margin:30px auto 0}.primary-button span{font-size:22px}.secondary-button{background:#eef3f9;color:var(--navy)}
.modal{position:fixed;inset:0;background:rgba(6,24,54,.62);z-index:100;display:grid;place-items:center;padding:24px}.modal[hidden]{display:none}.modal-panel{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:26px;padding:38px;position:relative;box-shadow:0 30px 70px rgba(0,0,0,.25)}.modal-panel h2{text-align:center;color:var(--navy);font-size:32px}.modal-step{text-align:center}.modal-close{position:absolute;right:20px;top:14px;border:0;background:transparent;font-size:30px;cursor:pointer}.confirm-content dl{display:grid;grid-template-columns:180px 1fr;margin:0}.confirm-content dt,.confirm-content dd{padding:12px;border-bottom:1px solid var(--line);margin:0}.confirm-content dt{font-weight:900;color:var(--navy)}.modal-actions{display:flex;gap:14px;margin-top:28px}.modal-actions button{flex:1;min-width:0;margin:0}.thanks{text-align:center}.thanks-icon{width:74px;height:74px;border-radius:50%;background:#e8f8f1;color:#0b9d66;display:grid;place-items:center;font-size:36px;font-weight:900;margin:auto}.contact-mini{background:var(--pale);border-radius:14px;padding:16px;margin:20px 0}.link-button{width:max-content}.modal-panel.thanks .primary-button{margin-top:20px}
footer{background:linear-gradient(135deg,#073c96,#0759bd);color:white;padding:21px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center}.footer-inner strong{font-size:20px}.footer-inner span{font-size:11px}
@media(max-width:800px){.brand b{font-size:24px}.brand span{font-size:13px}.header-actions{gap:8px}.nav-corp-btn{padding:6px 12px;font-size:12px}.back-link{padding:8px 14px;font-size:12px}.hero-inner-layout{grid-template-columns:1fr}.hero-art{display:none}.section{padding:50px 0}.step-card{grid-template-columns:1fr;text-align:center;padding:26px 20px}.step-icon{margin:auto}.stage-grid{grid-template-columns:1fr}.outline-list div{grid-template-columns:1fr}.outline-list dt{padding-bottom:4px}.outline-list dd{padding-top:4px}.field-row.two,.check-grid,.stage-grid{grid-template-columns:1fr}.form-card{padding:24px 18px}.flow i{width:20px}.confirm-content dl{grid-template-columns:1fr}.confirm-content dt{padding-bottom:2px}.confirm-content dd{padding-top:2px}.modal-panel{padding:30px 20px}.modal-actions{flex-direction:column-reverse}.primary-button{min-width:0;width:100%}.footer-inner{flex-direction:column;gap:8px;text-align:center}}

/* =========================================
   Page Top Button (ページトップへ戻るボタン)
   ========================================= */
.pagetop {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #075dcc, #073c96);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(7, 60, 150, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.2s ease, box-shadow 0.2s ease;
  z-index: 999;
  cursor: pointer;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.pagetop.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.pagetop:hover {
  background: linear-gradient(135deg, #0962d2, #0b489f);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(7, 60, 150, 0.38);
  color: #ffffff;
}

.pagetop-arrow {
  font-size: 14px;
  line-height: 1;
  font-weight: 900;
  margin-bottom: 2px;
  transition: transform 0.2s ease;
}

.pagetop:hover .pagetop-arrow {
  transform: translateY(-2px);
}

.pagetop-text {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1;
}

@media (max-width: 600px) {
  .pagetop {
    bottom: 20px;
    right: 20px;
    width: 46px;
    height: 46px;
  }
  .pagetop-arrow {
    font-size: 12px;
    margin-bottom: 1px;
  }
  .pagetop-text {
    font-size: 8px;
  }
}