html, body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: #f7f7f7;
  color: #222;
}

.container{
  max-width: 920px;
  margin: 24px auto;
  background: #fff;
  border: 1px solid #ddd;
  padding: 20px;
}

.header h1{
  margin: 0 0 6px 0;
  font-size: 22px;
}

.header .sub{
  font-weight: bold;
  margin: 0 0 6px 0;
}

.header .period{
  color: #444;
  margin: 0 0 14px 0;
}

/* ★説明文：上下の空白行（＝余白）をゼロにする */
.desc{
  background: #fafafa;
  border: 1px solid #eee;
  padding: 0;              /* ←上下含めてゼロ */
  margin: 0 0 16px 0;      /* 上はゼロ、下だけ残す */
}

/* ★desc内のpも余白ゼロ（空白行に見える原因を潰す） */
.desc-line{
  margin: 0;               /* ←上下ゼロ */
  padding: 6px 14px;       /* 行の内側だけ（読みやすさ） */
  line-height: 1.55;
}

.desc-line.head{
  font-weight: bold;
}

.desc-line.link a{
  color: #0b52b8;
  text-decoration: underline;
}

.panel{
  border: 1px solid #e5e5e5;
  padding: 16px;
}

.panel h2{
  margin: 0 0 10px 0;
  font-size: 18px;
}

.field{
  margin: 12px 0;
}

.field label{
  display: block;
  font-weight: bold;
  margin: 0 0 6px 0;
}

.field.required label::after{
  content: " *";
  color: #c00;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="number"],
.field textarea{
  width: 100%;
  box-sizing: border-box;
  padding: 8px;
  border: 1px solid #ccc;
}

.hint{
  font-size: 12px;
  color: #555;
  margin: 4px 0 0 0;
}

.radios label{
  margin-right: 14px;
  font-weight: normal;
}

.buttons{
  margin-top: 16px;
}

.btn{
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid #888;
  background: #f0f0f0;
  color: #111;
  text-decoration: none;
  cursor: pointer;
}

.btn.primary{
  background: #0b52b8;
  border-color: #0b52b8;
  color: #fff;
}

.errors{
  background: #fff3f3;
  border: 1px solid #f1b2b2;
  padding: 12px 14px;
  margin: 12px 0 16px 0;
}

.confirm{
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.confirm th, .confirm td{
  border: 1px solid #ddd;
  padding: 8px;
  vertical-align: top;
  text-align: left;
}

.confirm th{
  width: 34%;
  background: #fafafa;
}

.note{
  color: #444;
  margin: 0;
}

.note.small{
  font-size: 12px;
  margin-top: 12px;
}

.footer{
  margin-top: 18px;
  color: #666;
  text-align: center;
}

/* ====== 口数UI ====== */
.kuchisu-grid{
  border: 1px solid #eee;
  background: #fcfcfc;
  padding: 10px 12px;
}

.krow{
  display: flex;
  align-items: center;
  padding: 6px 0;
}

.krow.total{
  border-top: 1px dashed #ddd;
  margin-top: 6px;
  padding-top: 10px;
}

.klabel{
  width: 170px;
  font-weight: bold;
  color: #333;
}

.kinput{
  flex: 1;
  white-space: nowrap;
}

/* ★ここが本命：2桁の幅に固定（共通 width:100% を完全に潰す） */
.kinput .kuchisu2{
  width: 2.6em !important;   /* 2桁ぴったり */
  min-width: 2.6em !important;
  max-width: 2.6em !important;
  display: inline-block !important;
  padding: 6px 6px !important;
  text-align: right;
}

.unit{
  display: inline-block;
  margin-left: 6px;
  font-weight: bold;
}

.totalbox{
  display: inline-block;
  min-width: 2.6em;
  padding: 6px 8px;
  border: 1px solid #ccc;
  background: #fff;
  box-sizing: border-box;
  text-align: right;
}

.invalid{
  border-color: #d33 !important;
  background: #ffecec !important;
}