:root {
  --green-600: #15803D;
  --green-500: #22B14C;
  --green-500-tint: rgba(34, 177, 76, 0.12);
  --red-600: #b03a3a;
  --red-600-tint: #fbeaea;
  --gray-900: #222;
  --gray-700: #444;
  --gray-500: #6B7280;
  --gray-300: #d8d8d4;
  --gray-100: #F3F4F6;
  --font-family: "Noto Sans JP", "Segoe UI", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
body {
  font-family: var(--font-family);
  background: var(--gray-100);
  color: var(--gray-900);
  margin: 0;
  padding: 20px 16px 60px;
}
.wrap { max-width: 560px; margin: 0 auto; }
h1 { font-size: 19px; font-weight: 700; margin: 0; color: var(--gray-900); }
p.lead { font-size: 14.5px; color: var(--gray-700); margin: 0 0 18px; }

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--gray-300);
}
.app-header .app-logo { height: 48px; width: auto; display: block; }

.card {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.card-title { font-size: 13px; color: var(--gray-500); margin: 0 0 10px; font-weight: 600; }

.field {
  margin-bottom: 18px;
}
.field:last-child { margin-bottom: 0; }
.field label.field-label {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.field .hint { font-size: 12.5px; color: var(--gray-500); margin: 4px 0 0; }
.required-mark { color: var(--red-600); font-weight: 700; margin-left: 4px; font-size: 12px; }

label { font-size: 14px; color: #555; }
.radio-group { display: flex; flex-wrap: wrap; gap: 18px; font-size: 15px; }
.radio-group label { display: flex; align-items: center; gap: 6px; color: #222; }
.check-row { display: flex; align-items: center; gap: 8px; font-size: 14.5px; margin-top: 8px; }

input[type="text"], input[type="number"], input[type="date"], input[type="email"],
input[type="file"], select, textarea {
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  padding: 11px 12px;
  font-size: 16px; /* 16px avoids iOS auto-zoom on focus */
  font-family: inherit;
  width: 100%;
  background: #fff;
}
input[type="checkbox"], input[type="radio"] { width: 18px; height: 18px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px var(--green-500-tint);
}
textarea { min-height: 90px; resize: vertical; }

button {
  border: 1px solid var(--gray-300);
  background: #fff;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--gray-700);
  cursor: pointer;
}
button.primary, .btn-primary {
  background: var(--green-500);
  border-color: var(--green-500);
  color: #fff;
  font-weight: 700;
  width: 100%;
  padding: 16px;
  font-size: 17px;
  border-radius: 10px;
}
button.primary:hover, .btn-primary:hover { background: var(--green-600); border-color: var(--green-600); }

.error-banner {
  background: #fdecea;
  border: 1px solid #f5c2c0;
  color: #a12622;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 14px;
}
.error-banner ul { margin: 6px 0 0; padding-left: 18px; }

.line-friend-box { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; margin-top: 10px; }
.pc-only { display: none; }
@media (min-width: 700px) {
  .pc-only { display: block; }
}

.done-box { text-align: center; padding: 40px 20px; }
.done-box .icon-check { font-size: 48px; color: var(--green-600); }