:root{--myh-accent:#1f5f99;--myh-text:#172033;--myh-muted:#6b7280;--myh-line:#e5e7eb;--myh-bg:#f4f7fb}.myh-shell{box-sizing:border-box;width:100%;max-width:1180px;margin:32px auto;padding:0 18px;color:var(--myh-text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif}.myh-shell *{box-sizing:border-box}.myh-card,.myh-section{background:#fff;border:1px solid var(--myh-line);border-radius:18px;box-shadow:0 10px 30px rgba(25,40,70,.06)}.myh-login-shell{min-height:70vh;display:flex;align-items:center;justify-content:center}.myh-login-card{width:min(460px,100%);padding:36px}.myh-logo{display:block;max-height:60px;max-width:220px;margin:0 auto 18px}.myh-logo-text{text-align:center;font-size:24px;font-weight:800;letter-spacing:.02em;margin-bottom:18px}.myh-eyebrow{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--myh-accent);text-transform:uppercase}.myh-login-card .myh-eyebrow{text-align:center}.myh-login-card h1{text-align:center;font-size:28px;margin:8px 0}.myh-muted{color:var(--myh-muted)}.myh-login-card .myh-muted{text-align:center;margin-bottom:24px}.myh-login-card label{display:block;font-weight:700;margin:12px 0 6px}.myh-login-card input[type=text],.myh-login-card input[type=password]{width:100%;min-height:46px;border:1px solid #cfd6df;border-radius:10px;padding:10px 12px}.myh-login-card input[type=submit],.myh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;border-radius:10px;padding:0 18px;background:var(--myh-accent);color:#fff!important;font-weight:800;text-decoration:none;cursor:pointer}.myh-login-card input[type=submit]{width:100%;margin-top:8px}.myh-login-links{text-align:center;margin-top:18px;font-size:13px}.myh-login-links a{color:var(--myh-accent)}.myh-dashboard{background:var(--myh-bg);max-width:100%;padding:34px}.myh-dashboard-head{max-width:1180px;margin:0 auto 24px;display:flex;justify-content:space-between;gap:20px;align-items:flex-end}.myh-dashboard-head h1{margin:4px 0;font-size:34px}.myh-head-actions{display:flex;gap:10px;flex-wrap:wrap}.myh-btn-light{background:#fff;color:var(--myh-text)!important;border:1px solid var(--myh-line)}.myh-form{max-width:1180px;margin:0 auto}.myh-section{padding:26px;margin-bottom:20px}.myh-section h2{font-size:19px;margin:0 0 20px}.myh-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.myh-field{min-width:0}.myh-field-full{grid-column:1/-1}.myh-field label{display:block;font-size:13px;font-weight:800;margin-bottom:7px}.myh-field input,.myh-field textarea{width:100%;border:1px solid #cfd6df;border-radius:10px;padding:10px 12px;background:#fff;color:var(--myh-text);font:inherit}.myh-field input{min-height:44px}.myh-field textarea{resize:vertical}.myh-field small{display:block;margin-top:6px;color:var(--myh-muted);font-size:12px}.myh-preview{margin-bottom:10px;width:100%;height:150px;border-radius:12px;overflow:hidden;background:#eef2f6}.myh-preview img{width:100%;height:100%;object-fit:contain}.myh-savebar{position:sticky;bottom:12px;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;border:1px solid var(--myh-line);border-radius:16px;padding:14px 16px;box-shadow:0 14px 35px rgba(25,40,70,.14)}.myh-savebar span{font-size:13px;color:var(--myh-muted)}.myh-notice{max-width:1180px;margin:0 auto 18px;padding:13px 16px;border-radius:12px;background:#edf9f2;border:1px solid #b9e7c9;color:#176437;font-weight:700}@media(max-width:760px){.myh-dashboard{padding:20px 10px}.myh-dashboard-head{align-items:flex-start;flex-direction:column}.myh-grid{grid-template-columns:1fr}.myh-field-full{grid-column:auto}.myh-savebar{align-items:stretch;flex-direction:column}.myh-savebar .myh-btn{width:100%}.myh-login-card{padding:26px 20px}}