/* Vantage Leverage Tool — clean, readable calculator UI */
.vlc {
  --vlc-accent: #f26522;
  --vlc-accent-dark: #d4550f;
  --vlc-ink: #1f2933;
  --vlc-muted: #6b7280;
  --vlc-line: #e5e7eb;
  --vlc-soft: #f7f8fa;
  font-family: inherit;
  color: var(--vlc-ink);
  background: #fff;
  border: 1px solid var(--vlc-line);
  border-radius: 14px;
  margin: 28px 0;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(31, 41, 51, 0.06);
  line-height: 1.6;
}
.vlc *,
.vlc *::before,
.vlc *::after {
  box-sizing: border-box;
}

/* Header */
.vlc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 22px;
  background: linear-gradient(135deg, #fff7f2 0%, #fdeee4 100%);
  border-bottom: 1px solid #f3d8c6;
}
.vlc-kicker {
  margin: 0 0 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--vlc-accent-dark);
}
.vlc-title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--vlc-ink);
}
.vlc-head-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.vlc-updated {
  font-size: 12px;
  color: var(--vlc-muted);
  white-space: nowrap;
}

/* Body layout — 入力の下に結果を縦積み */
.vlc-body {
  display: block;
}
.vlc-inputs {
  padding: 22px;
}
.vlc-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}
.vlc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.vlc-field label {
  font-size: 12.5px;
  font-weight: 700;
  color: #52616f;
}
.vlc-field select,
.vlc-field input {
  appearance: none;
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--vlc-ink);
  background: #fff;
  border: 1.5px solid var(--vlc-line);
  border-radius: 9px;
  padding: 10px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.vlc-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}
.vlc-field input:focus,
.vlc-field select:focus {
  outline: none;
  border-color: var(--vlc-accent);
  box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.15);
}

/* USD/JPY 換算レート手入力欄（フィード未取得かつ換算が必要な時だけJSで表示） */
.vlc-usdjpy-row {
  margin-top: 14px;
  padding: 12px 14px;
  background: #fff7f2;
  border: 1.5px solid var(--vlc-accent);
  border-radius: 10px;
}
.vlc-usdjpy-row label {
  color: var(--vlc-accent-dark);
}
.vlc-usdjpy-hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--vlc-muted);
}
/* .vlc-field の display:flex が hidden 属性を上書きしてしまうため明示的に打ち消す */
[data-vlc-usdjpy-field][hidden] {
  display: none !important;
}

/* 結果の説明（業者名・ロット数に応じて文章が切り替わる） */
.vlc-explain {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--vlc-soft);
  border: 1px solid var(--vlc-line);
  border-radius: 12px;
}
.vlc-explain-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 800;
  color: var(--vlc-ink);
}
.vlc-explain-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vlc-explain-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #374151;
}
.vlc-explain-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--vlc-accent);
}
[data-vlc-explain][hidden] {
  display: none !important;
}

.vlc-advanced {
  margin-top: 16px;
  border-top: 1px dashed var(--vlc-line);
  padding-top: 12px;
}
.vlc-advanced > summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--vlc-accent-dark);
  list-style: none;
}
.vlc-advanced > summary::-webkit-details-marker {
  display: none;
}
.vlc-advanced > summary::before {
  content: "＋ ";
}
.vlc-advanced[open] > summary::before {
  content: "− ";
}
.vlc-advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
  margin-top: 12px;
}
.vlc-status {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--vlc-muted);
  min-height: 1.2em;
}
.vlc-status[data-state="error"] {
  color: #c0392b;
}

/* Results */
.vlc-results {
  padding: 20px 22px 22px;
  background: var(--vlc-soft);
  border-top: 1px solid var(--vlc-line);
}
.vlc-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.vlc-hero-card {
  background: linear-gradient(140deg, var(--vlc-accent) 0%, var(--vlc-accent-dark) 100%);
  border-radius: 12px;
  padding: 16px 18px;
  color: #fff;
  box-shadow: 0 6px 16px rgba(242, 101, 34, 0.25);
}
.vlc-hero-card .vlc-r-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  opacity: 0.92;
  margin-bottom: 6px;
}
.vlc-hero-card .vlc-r-value {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.vlc-grid-results {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.vlc-r {
  background: #fff;
  border: 1px solid var(--vlc-line);
  border-radius: 10px;
  padding: 12px 14px;
}
.vlc-r span {
  display: block;
  font-size: 12px;
  color: var(--vlc-muted);
  margin-bottom: 4px;
}
.vlc-r strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--vlc-ink);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.vlc-note {
  margin: 0;
  padding: 13px 22px;
  font-size: 12px;
  color: var(--vlc-muted);
  background: #fff;
  border-top: 1px solid var(--vlc-line);
}

/* Responsive */
@media (max-width: 720px) {
  .vlc-grid-results {
    grid-template-columns: 1fr 1fr;
  }
  .vlc-title {
    font-size: 17px;
  }
  .vlc-hero-card .vlc-r-value {
    font-size: 22px;
  }
}
@media (max-width: 440px) {
  .vlc-grid2,
  .vlc-hero,
  .vlc-grid-results,
  .vlc-advanced-grid {
    grid-template-columns: 1fr;
  }
}