*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",Meiryo,sans-serif;color:#1d2733;background:#f3f6fa;line-height:1.7}
a{color:#0b5cab}main{max-width:760px;margin:0 auto;padding:12px}
.top{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#0b5cab}
.top a{color:#fff;text-decoration:none;font-weight:700}.top nav a{font-weight:400;margin-left:14px;font-size:.9rem}
.hero h1{font-size:1.45rem;line-height:1.4;margin:.6em 0 .3em}.hero h1 span{font-size:1.05rem;color:#0b5cab}
.card{background:#fff;border-radius:12px;padding:16px;margin:14px 0;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-weight:600;font-size:.95rem}
select{display:block;width:100%;margin-top:4px;font-size:1.1rem;padding:10px;border:1px solid #b9c4d0;border-radius:8px;background:#fff}
.days{margin-top:14px}.days input{width:100%;height:36px}
output{color:#c4380f;font-weight:700}
.go{width:100%;margin-top:12px;padding:14px;font-size:1.1rem;font-weight:700;color:#fff;background:#c4380f;border:0;border-radius:10px;cursor:pointer}
#result h2{margin:20px 0 4px}.summary{margin:0;color:#556}
.cat{background:#fff;border-radius:12px;padding:6px 14px;margin:12px 0;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.cat h3{margin:8px 0;border-left:5px solid #0b5cab;padding-left:8px}
.cat ul{list-style:none;margin:0;padding:0}.item{border-top:1px solid #e6ebf0;padding:10px 0}
.row{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.name{font-weight:700}.qty{font-weight:800;font-size:1.15rem;color:#c4380f;text-align:right}
.sub,.basis,.note,.src{font-size:.82rem;color:#556}.note{color:#335}.src a{color:#556}
.shop{display:flex;gap:8px;margin-top:8px;align-items:center;flex-wrap:wrap}
.btn{flex:1;min-width:130px;text-align:center;padding:10px;border-radius:8px;text-decoration:none;font-weight:700;font-size:.92rem}
.btn-rakuten{background:#bf0000;color:#fff}.btn-amazon{background:#ffd814;color:#111}
.pr{display:inline-block;font-size:.72rem;font-weight:800;border:1px solid #666;color:#444;border-radius:4px;padding:0 5px;line-height:1.5}
.pr-note{font-size:.85rem;background:#fff8e6;border:1px solid #f0d9a0;border-radius:8px;padding:8px 10px}
.actions{display:flex;gap:10px;margin:14px 0}.actions button{flex:1;padding:12px;border:1px solid #0b5cab;background:#fff;color:#0b5cab;border-radius:8px;font-weight:700;font-size:1rem}
.plain{padding-left:1.2em}.muted{color:#667;font-size:.85rem}.small{font-size:.9rem}
.srcs li{margin-bottom:12px}
details{border-top:1px solid #e6ebf0;padding:8px 0}summary{font-weight:700;cursor:pointer}
.tbl{border-collapse:collapse;width:100%}.tbl th,.tbl td{border:1px solid #dde3ea;padding:8px;text-align:left}.tbl th{background:#f3f6fa;width:30%}
footer{text-align:center;padding:20px 10px 40px;font-size:.85rem;color:#556}footer nav a{display:inline-block;margin:4px 8px;color:#556}
.empty{padding:10px}
@media print{.top,footer,#calc,.hero,.card,.shop,.actions,.pr-note{display:none!important}body{background:#fff}.cat{box-shadow:none;break-inside:avoid}.name:before{content:"□ "}}
.top{flex-wrap:wrap;gap:6px}.top nav{display:flex;flex-wrap:wrap;gap:4px 12px}.top nav a{margin-left:0}.top nav a[aria-current]{text-decoration:underline}
.answer{background:#eef5ff;border-left:5px solid #0b5cab;padding:10px 12px;border-radius:8px}
.meta{font-size:.8rem;color:#667;margin:.3em 0}.notice{font-size:.88rem;background:#fff8e6;border:1px solid #f0d9a0;border-radius:8px;padding:8px 10px}
h1 .sub1{display:block;font-size:1rem;color:#0b5cab;margin-top:.2em}article h1{font-size:1.4rem;line-height:1.4;margin:.6em 0 .3em}
.bc ol{list-style:none;padding:0;margin:8px 0 0;font-size:.8rem;display:flex;flex-wrap:wrap}.bc li+li:before{content:"›";margin:0 6px;color:#889}
.tw{overflow-x:auto}.data{border-collapse:collapse;width:100%;font-size:.88rem}.data caption{text-align:left;font-weight:700;padding:4px 0}
.data th,.data td{border:1px solid #dde3ea;padding:6px 8px;text-align:left;vertical-align:top}.data thead th{background:#f3f6fa}.data td.cite{font-size:.75rem}
.cta{display:inline-block;margin-top:6px;padding:10px 14px;background:#c4380f;color:#fff;border-radius:8px;text-decoration:none;font-weight:700}
.formh{margin:0 0 10px;font-size:1.1rem}
.data{min-width:560px}.data td.muted{min-width:120px}