:root{--bg:#f4f6fb;--card:#ffffff;--text:#131722;--muted:#636a7b;--primary:#0d63f3;--danger:#e53e3e;--border:#e6e9f2}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 10% 10%,#ffffff 0,var(--bg) 45%);color:var(--text);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,sans-serif}a{color:var(--primary);text-decoration:none}.page-shell{min-height:100vh}.top-nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(17,20,28,.84);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08)}.top-nav,.top-nav a{color:#fff}.top-nav-brand{font-weight:800;letter-spacing:.02em}.top-nav-links{display:flex;flex-wrap:wrap;gap:12px}.top-nav-links a{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}.container{width:min(920px,92vw);margin:24px auto 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var(--border);border-radius:16px;box-shadow:0 8px 24px rgba(17,20,28,.06);padding:20px}.page-stack{display:grid;grid-gap:20px;gap:20px}.page-panel{padding:24px;border:1px solid rgba(13,99,243,.1);border-radius:24px;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.92)),linear-gradient(135deg,#fffdf8,#eef4ff 58%,#f2fbf4);box-shadow:0 18px 40px rgba(17,20,28,.06)}.page-heading{display:grid;grid-gap:8px;gap:8px}.page-kicker{margin:0;color:#9a5b00;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.page-title{margin:0;font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.12;letter-spacing:-.03em}.page-description{margin:0;max-width:44rem;color:#465168;line-height:1.8}.info-strip{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin:22px 0}.info-strip div{display:grid;grid-gap:4px;gap:4px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.78);border:1px solid rgba(19,23,34,.08)}.info-strip strong{font-size:.92rem}.info-strip span{color:#586378;font-size:.95rem}.section-title{margin:0 0 8px;font-size:1.4rem}.form-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:1fr 1fr}.full{grid-column:1/-1}.required-mark{color:var(--danger);font-weight:700}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 14px;background:rgba(255,255,255,.9);box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}textarea{min-height:140px}button{border:none;border-radius:14px;padding:12px 16px;cursor:pointer}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 22px rgba(13,99,243,.2)}a.btn-primary{display:inline-block}.btn-secondary{background:#ecf1ff;color:#234ea6;border:1px solid rgba(35,78,166,.08)}.btn-success{background:#1f9a5f;color:#fff;box-shadow:0 12px 22px rgba(31,154,95,.18)}.action-row,.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.item-layout{display:grid;grid-gap:16px;gap:16px;grid-template-columns:1fr 1fr;margin-top:16px}.item-card{border-radius:24px;overflow:hidden}.item-media{padding:10px;border-radius:18px;background:linear-gradient(135deg,#fff7df,#eef4ff)}.item-image{width:100%;height:auto;border-radius:16px;border:1px solid var(--border);display:block}.item-content{display:grid;align-content:start;grid-gap:10px;gap:10px}.item-label{margin:0;color:#9a5b00;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.item-price{margin:0;font-size:1.45rem;font-weight:800}.item-description{margin:0;padding:14px 16px;border-radius:16px;background:#f7f9fe}.item-link-row{margin:0}.empty-state{padding:32px 24px}.complete-panel,.empty-state{text-align:center}.complete-visual{margin-top:18px}.complete-visual img{width:min(260px,70vw);height:auto}.form-error{margin:16px 0 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