/* LoudBatch — Mac用 音量チェックアプリ (page-specific) --------------------- */

:root {
  --boost: #8f73ff;   /* 上げる補正（サイトのアクセント紫） */
  --cut: #ff9a62;     /* 下げる補正 */
  --target: #34d6c9;  /* 目標レベル */
  --meter-track: rgba(255, 255, 255, 0.06);
}

.lb-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 24px 0 8px;
}

.lb-hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  margin-bottom: 10px;
}

.lb-hero .for {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

.lb-hero .for span {
  color: var(--accent-2);
}

.lb-download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

.lb-download .meta .free {
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 600;
}

.lb-download .meta {
  font-size: 0.82rem;
  color: var(--text-faint);
  line-height: 1.6;
  margin: 0;
}

.num {
  font-variant-numeric: tabular-nums;
}

/* 補正イメージ ------------------------------------------------------------ */

.lb-meter {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 14px;
}

.lb-meter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.8rem;
}

.lb-meter-head .title {
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.lb-meter-head .goal {
  color: var(--target);
  font-variant-numeric: tabular-nums;
}

.lb-scale {
  position: relative;
  height: 16px;
  margin-left: 132px;
  font-size: 0.7rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

.lb-scale span {
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
}

.lb-rows {
  display: grid;
  gap: 10px;
}

.lb-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.lb-row .name {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-row .name small {
  display: block;
  color: var(--text-faint);
  font-size: 0.7rem;
}

.lb-bar {
  position: relative;
  height: 26px;
  background: var(--meter-track);
  border-radius: 6px;
}

.lb-bar .fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 6px 0 0 6px;
  background: linear-gradient(90deg, rgba(124, 92, 255, 0.12), rgba(124, 92, 255, 0.32));
}

.lb-bar .shift {
  position: absolute;
  top: 9px;
  height: 8px;
  border-radius: 4px;
}

.lb-bar .line {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 2px;
  border-radius: 1px;
  background: var(--target);
}

.lb-bar .gain {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.up { color: var(--boost); }
.down { color: var(--cut); }
.shift.up { background: var(--boost); }
.shift.down { background: var(--cut); }

.lb-meter-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 0.75rem;
  color: var(--text-faint);
}

.lb-meter-foot i {
  display: inline-block;
  width: 12px;
  height: 6px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
}

/* 比較 ------------------------------------------------------------------- */

.lb-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 820px;
  margin: 0 auto;
}

.lb-compare .item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 26px;
}

.lb-compare .item.mac {
  border-color: rgba(52, 214, 201, 0.45);
}

.lb-compare .who {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.lb-compare .mac .who {
  color: var(--accent-2);
}

.lb-compare .big {
  font-family: "Space Grotesk", "Inter", "Hiragino Sans", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 8px;
}

.lb-compare .item p:last-child {
  margin: 0;
  font-size: 0.88rem;
}

/* 手順 ------------------------------------------------------------------- */

.lb-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  counter-reset: step;
}

.lb-steps li {
  counter-increment: step;
}

.lb-steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-2);
  color: var(--accent-2);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  margin-bottom: 12px;
}

.lb-steps h3 {
  font-size: 1.02rem;
}

.lb-steps p {
  font-size: 0.9rem;
  margin: 0;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.86em;
  background: var(--surface-strong);
  color: var(--text);
  padding: 1px 6px;
  border-radius: 4px;
}

/* CSV -------------------------------------------------------------------- */

.lb-csv {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
}

.lb-csv table {
  border-collapse: collapse;
  width: 100%;
  min-width: 760px;
  font-size: 0.82rem;
}

.lb-csv th,
.lb-csv td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  color: var(--text);
}

.lb-csv th {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-weight: 500;
  font-size: 0.74rem;
  color: var(--text-dim);
  background: var(--surface);
}

.lb-csv td.n {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.lb-csv td.hl {
  color: var(--accent-2);
  font-weight: 600;
}

.lb-csv td.err {
  color: var(--cut);
}

.lb-csv tr:last-child td {
  border-bottom: 0;
}

.lb-note {
  margin-top: 16px;
  font-size: 0.9rem;
}

/* 仕様 ------------------------------------------------------------------- */

.lb-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  margin: 0;
}

.lb-spec div {
  display: grid;
  grid-template-columns: 8.5em minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.lb-spec dt {
  color: var(--text-faint);
  font-size: 0.88rem;
}

.lb-spec dd {
  margin: 0;
  font-size: 0.92rem;
}

.lb-scale-ref {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  font-size: 0.82rem;
  color: var(--text-faint);
}

.lb-scale-ref b {
  color: var(--text);
  font-weight: 600;
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}

.lb-license a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 900px) {
  .lb-hero { grid-template-columns: 1fr; gap: 36px; }
  .lb-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lb-spec { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .lb-compare, .lb-steps { grid-template-columns: 1fr; }
  .lb-row { grid-template-columns: 88px minmax(0, 1fr); }
  .lb-scale { margin-left: 100px; }
  .lb-spec div { grid-template-columns: 1fr; gap: 2px; }
}