/* ========================================================
   通信費年間試算ビジュアライザー v0.1 — year-cost styles
   LP共通 styles.css の変数・タイポを継承して上書き
   ======================================================== */

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ---- ヒーロー: LP本体より余白を絞る ---- */
.yc-hero { padding: 72px 0 56px; }
.yc-hero h1 {
  font-size: clamp(34px, 6.2vw, 56px);
  line-height: 1.12;
  margin-bottom: 24px;
}
.yc-hero .lead { margin-bottom: 28px; }

.yc-section { padding: 64px 0 96px; }
.yc-section + .yc-section { border-top: 1px solid var(--rule-soft); }

/* ---- 入力フォーム ---- */
.yc-form {
  border: 0;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.yc-field {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.yc-field-label {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.yc-field-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}
.yc-field-sub {
  font-size: 13px;
  color: var(--ink-mute);
  margin: -4px 0 8px;
  line-height: 1.7;
}

/* 数値入力 */
.yc-input-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 12px 16px;
  border: 1px solid var(--rule-soft);
  background: var(--paper);
  transition: border-color .2s ease;
  width: fit-content;
}
.yc-input-wrap:focus-within { border-color: var(--ink); }
.yc-input-prefix,
.yc-input-suffix {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--ink-mute);
}
.yc-input {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: none;
  width: 140px;
  padding: 4px 0;
  letter-spacing: 0.02em;
}
.yc-input::placeholder { color: var(--ink-mute); font-weight: 400; }
.yc-input::-webkit-outer-spin-button,
.yc-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.yc-input { -moz-appearance: textfield; }

/* スライダー */
.yc-slider-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 4px;
}
.yc-slider-value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.yc-slider-value .unit {
  font-size: 12px;
  color: var(--ink-mute);
  font-family: "Noto Sans JP", sans-serif;
  margin-left: 2px;
  font-weight: 400;
}
.yc-slider-range {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
}
.yc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--rule-soft);
  outline: none;
  margin: 8px 0 4px;
}
.yc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--ink);
}
.yc-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--ink);
}
.yc-slider:focus-visible::-webkit-slider-thumb {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* セグメント選択 */
.yc-segments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.yc-segment {
  position: relative;
  cursor: pointer;
}
.yc-segment input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.yc-segment span {
  display: inline-block;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  border: 1px solid var(--rule-soft);
  background: var(--paper);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
  line-height: 1.4;
}
.yc-segment:hover span {
  border-color: var(--ink-mute);
  color: var(--ink);
}
.yc-segment input:checked + span {
  border-color: var(--accent);
  color: var(--paper);
  background: var(--accent);
  font-weight: 700;
}
.yc-segment input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---- 結果セクション ---- */
.yc-result {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--rule-soft);
}
.yc-result-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  margin: 0 0 14px;
  font-weight: 500;
  text-transform: uppercase;
}
.yc-result-title {
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -0.022em;
  line-height: 1.3;
  margin: 0 0 28px;
  max-width: 26ch;
}

/* ハイライト数値 */
.yc-highlight {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 24px 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  margin: 0 0 40px;
}
@media (min-width: 540px) {
  .yc-highlight { grid-template-columns: 1fr 1fr; gap: 0; }
}
.yc-highlight > div {
  padding: 0 18px;
}
.yc-highlight > div:first-child { padding-left: 0; }
@media (min-width: 540px) {
  .yc-highlight > div + div { border-left: 1px solid var(--rule-soft); }
}
@media (max-width: 539px) {
  .yc-highlight > div + div {
    padding-top: 18px; margin-top: 18px;
    border-top: 1px solid var(--rule-soft);
    padding-left: 0;
  }
}
.yc-highlight dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 8px;
  font-weight: 500;
}
.yc-highlight dt small {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink-mute);
  margin-left: 8px;
}
.yc-highlight dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}
.yc-highlight .num {
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.022em;
}
.yc-highlight .unit {
  font-size: 13px;
  color: var(--ink-mute);
  font-family: "Noto Sans JP", sans-serif;
}
.yc-highlight .note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.yc-highlight .savings .num { color: var(--accent); }

/* ---- グラフ ---- */
.yc-chart-wrap {
  margin: 0 0 32px;
  padding: 0;
}
.yc-chart-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.yc-chart-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
  font-weight: 500;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  display: inline-block;
}
.yc-chart-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--ink-mute);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}
.yc-chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.yc-chart-legend-swatch {
  display: inline-block;
  width: 14px;
  height: 2px;
}
.yc-chart-legend-swatch.bar { background: var(--ink); height: 10px; width: 10px; }
.yc-chart-legend-swatch.bar-rakuten { background: var(--accent); height: 10px; width: 10px; }
.yc-chart-legend-swatch.current {
  background: transparent;
  border-top: 2px dashed #c0392b;
  height: 0;
}

.yc-chart-svg {
  width: 100%;
  height: auto;
  display: block;
  font-family: var(--mono);
  overflow: visible;
}
.yc-bar {
  fill: var(--ink);
  transform-origin: bottom;
  transform-box: fill-box;
}
.yc-bar.is-rakuten { fill: var(--accent); }
.yc-bar.is-cheapest:not(.is-rakuten) { fill: var(--ink-soft); }
.yc-bar-anim {
  animation: ycBarGrow .9s cubic-bezier(.2,.6,.2,1) both;
}
@keyframes ycBarGrow {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
.yc-bar-label {
  fill: var(--ink-mute);
  font-size: 11px;
  text-anchor: middle;
  letter-spacing: 0.04em;
}
.yc-bar-label.is-current {
  fill: var(--ink);
  font-weight: 700;
}
.yc-bar-value {
  fill: var(--ink);
  font-size: 12px;
  text-anchor: middle;
  font-weight: 700;
}
.yc-axis-line {
  stroke: var(--rule-soft);
  stroke-width: 1;
}
.yc-axis-label {
  fill: var(--ink-mute);
  font-size: 10px;
  letter-spacing: 0.04em;
}
.yc-current-line {
  stroke: #c0392b;
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
  fill: none;
}
.yc-current-label {
  fill: #c0392b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ---- 内訳テーブル ---- */
.yc-breakdown {
  margin: 32px 0 40px;
  border-top: 1px solid var(--rule-soft);
}
.yc-breakdown-row {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr 1fr;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 13px;
  align-items: baseline;
}
.yc-breakdown-row.is-head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  padding: 10px 0;
}
.yc-breakdown-row.is-rakuten {
  background: var(--accent-soft);
  padding-left: 8px;
  padding-right: 8px;
  margin: 0 -8px;
}
.yc-breakdown-name {
  font-weight: 700;
  color: var(--ink);
}
.yc-breakdown-row.is-head .yc-breakdown-name {
  font-weight: 500;
  color: var(--ink-mute);
}
.yc-breakdown-num {
  font-family: var(--mono);
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.yc-breakdown-total {
  font-family: var(--mono);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---- 注意点 ---- */
.yc-notes {
  margin: 32px 0 40px;
  padding-top: 24px;
  border-top: 1px solid var(--rule-soft);
}
.yc-notes-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-weight: 500;
  display: inline-block;
}
.yc-notes-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.yc-notes-list li {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}
.yc-notes-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.85em;
  width: 8px;
  height: 1px;
  background: var(--ink-mute);
}

/* ---- PR 表記 ---- */
.yc-pr {
  font-size: 12px;
  line-height: 1.8;
  margin: 32px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule-soft);
}
.yc-pr strong {
  font-family: var(--mono);
  color: var(--ink);
  margin-right: 6px;
}

/* ---- リセットボタン ---- */
.yc-reset {
  margin-top: 24px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  border: 1px solid var(--rule-soft);
  background: transparent;
  color: var(--ink-mute);
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
  line-height: 1;
}
.yc-reset:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---- レスポンシブ ---- */
@media (max-width: 720px) {
  .yc-hero { padding: 48px 0 40px; }
  .yc-hero h1 { font-size: clamp(28px, 8vw, 36px); }
  .yc-section { padding: 40px 0 80px; }
  .yc-breakdown-row {
    grid-template-columns: 1.2fr 1fr;
    gap: 4px 12px;
    row-gap: 4px;
  }
  .yc-breakdown-row.is-head { display: none; }
  .yc-breakdown-name { grid-column: 1 / 3; padding-bottom: 4px; }
  .yc-breakdown-num::before {
    content: attr(data-label);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mute);
    display: block;
    margin-bottom: 2px;
  }
  .yc-breakdown-total::before {
    content: "年間総額";
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mute);
    display: block;
    margin-bottom: 2px;
  }
}

/* ---- prefers-reduced-motion 対応 (LP共通CSSと併用) ---- */
@media (prefers-reduced-motion: reduce) {
  .yc-bar-anim {
    animation: none !important;
    transform: scaleY(1) !important;
  }
}