/* =========================================================
   whitening.css — ホワイトニングページ
   ========================================================= */

/* .p-mv__sub は common.css に移動済み（全 MV で使用するため） */

/* ----- Worries ----- */
.p-wh-worries__title {
  text-align: center;
  font-family: var(--font-jp-serif);
  font-size: clamp(22px, 3.2vw, 32px);
  margin-bottom: var(--sp-same);
  letter-spacing: 0.06em;
}
.p-wh-worries__title::before {
  content: "🦷";
  margin-right: 8px;
}
.p-wh-worries__list {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .p-wh-worries__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}
.p-wh-worries__item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--color-line);
}
.p-wh-worries__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.p-wh-worries__item p {
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.6;
}
.p-wh-worries__lead {
  margin-top: 32px;
  text-align: center;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

/* ----- About ----- */
.p-wh-about {
  position: relative;
  overflow: hidden;
}
.p-wh-about__sub {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  color: var(--color-text-sub);
  margin: -16px 0 var(--sp-same);
  letter-spacing: 0.1em;
}
.p-wh-about__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 768px) {
  .p-wh-about__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
  }
}
.p-wh-about__body p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text);
}
.p-wh-about__media img {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ----- Feature ----- */
.p-wh-feature {
  background: var(--color-base-soft);
}
.p-wh-feature__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}
@media (min-width: 768px) {
  .p-wh-feature__grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
  }
}
.p-wh-feature__media img {
  width: 100%;
  border-radius: var(--radius-sm);
}
.p-wh-feature__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.p-wh-feature__list li {
  padding: 24px 28px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-main);
}
.p-wh-feature__num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--color-white);
  background: var(--color-main);
  padding: 4px 12px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.p-wh-feature__list h3 {
  font-family: var(--font-jp-serif);
  font-size: 17px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.p-wh-feature__list p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

/* ----- Compare ----- */
.p-wh-compare__eyebrow {
  text-align: center;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-main-deep);
  margin-bottom: 12px;
}
.p-wh-compare__title {
  text-align: center;
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 3vw, 28px);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.p-wh-compare__title::before { content: "🦷"; margin-right: 8px; }
.p-wh-compare__lead {
  text-align: center;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-sub);
  margin-bottom: var(--sp-same);
}
.p-wh-compare__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .p-wh-compare__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.p-wh-compare__card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  text-align: center;
}
.p-wh-compare__card h3 {
  font-family: var(--font-jp-serif);
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--color-main-deep);
  letter-spacing: 0.05em;
}
.p-wh-compare__card img {
  width: 100%;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
}
.p-wh-compare__sub {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-bottom: 12px;
}
.p-wh-compare__txt {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 16px;
}
.p-wh-compare__meta {
  display: inline-block;
  font-size: 12px;
  padding: 4px 12px;
  border: 1px solid var(--color-main);
  color: var(--color-main-deep);
  border-radius: 999px;
  margin-bottom: 12px;
}
.p-wh-compare__price {
  font-family: var(--font-en);
  color: var(--color-main-deep);
  font-size: 24px;
}
.p-wh-compare__price small {
  font-size: 12px;
  margin-left: 4px;
  color: var(--color-text-sub);
}
.p-wh-compare__regular {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  color: var(--color-text-sub);
  text-decoration: line-through;
  margin-right: 8px;
}

/* ----- Flow ----- */
.p-wh-flow__title {
  text-align: center;
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 3vw, 28px);
  margin-bottom: var(--sp-same);
  letter-spacing: 0.06em;
}
.p-wh-flow__title::before { content: "🦷"; margin-right: 8px; }
.p-wh-flow__list {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .p-wh-flow__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}
.p-wh-flow__item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 0 0 20px;
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.p-wh-flow__step {
  display: block;
  background: var(--color-main);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 14px;
  padding: 8px 16px;
  letter-spacing: 0.1em;
}
.p-wh-flow__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 16px;
}
.p-wh-flow__item h3 {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  padding: 0 20px 8px;
  letter-spacing: 0.05em;
}
.p-wh-flow__item p {
  padding: 0 20px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

/* ----- Menu ----- */
.p-wh-menu__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.p-wh-menu__row {
  background: var(--color-main-soft);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  align-items: center;
}
.p-wh-menu__name strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}
.p-wh-menu__name span {
  font-size: 12px;
  color: var(--color-text-sub);
}
.p-wh-menu__price {
  font-family: var(--font-en);
  font-size: 22px;
  color: var(--color-main-deep);
  white-space: nowrap;
}
.p-wh-menu__price small {
  font-size: 11px;
  margin-left: 4px;
  color: var(--color-text-sub);
}
.p-wh-menu__regular {
  font-family: var(--font-jp-sans);
  font-size: 12px;
  color: var(--color-text-sub);
  text-decoration: line-through;
  margin-right: 8px;
}

/* 初回限定バッジ（比較カード） */
.p-wh-compare__badge {
  display: inline-block;
  background: var(--color-main);
  color: var(--color-white);
  font-family: var(--font-jp-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 2px;
  margin-right: 8px;
  vertical-align: middle;
}

/* オプション（パーフェクトホワイトプラス） */
.p-wh-menu__option {
  margin-top: 32px;
  padding: 28px 24px;
  border: 1px solid var(--color-main-soft);
  border-radius: var(--radius-sm);
  background: var(--color-base-soft);
}
.p-wh-menu__option-tag {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-main-deep);
  margin-bottom: 8px;
}
.p-wh-menu__option-title {
  font-family: var(--font-jp-serif);
  font-size: var(--fs-h6);
  color: var(--color-main-deep);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.p-wh-menu__option-text {
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--color-text);
}

/* ----- Recommend ----- */
.p-wh-recommend__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 768px) {
  .p-wh-recommend__grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
  }
}
.p-wh-recommend__sub {
  font-size: 14px;
  color: var(--color-text-sub);
  margin: -16px 0 24px;
  letter-spacing: 0.1em;
}
.p-wh-recommend__text {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 24px;
}
.p-wh-recommend__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.p-wh-recommend__list li {
  background: var(--color-main-soft);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  position: relative;
  padding-left: 36px;
}
.p-wh-recommend__list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  color: var(--color-main-deep);
  font-weight: 700;
}
.p-wh-recommend__media img {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ----- 4 Promises（MV直下4訴求） ----- */
.p-wh-promise {
  background: var(--color-base);
  padding-block: 48px;
}
@media (min-width: 768px) {
  .p-wh-promise { padding-block: 64px; }
}
.p-wh-promise__list {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) {
  .p-wh-promise__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}
.p-wh-promise__item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: center;
}
.p-wh-promise__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-main);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 20px;
  margin-bottom: 12px;
}
.p-wh-promise__title {
  font-family: var(--font-jp-serif);
  font-size: var(--fs-h6);
  color: var(--color-main-deep);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.p-wh-promise__text {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--color-text-sub);
}

/* ----- Comparison Table（セルフvs歯科） ----- */
.p-wh-vs__lead {
  text-align: center;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-sub);
  margin-bottom: var(--sp-same);
}
.p-wh-vs__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.p-wh-vs__table {
  width: 100%;
  min-width: 580px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13.5px;
  line-height: 1.7;
}
.p-wh-vs__table th,
.p-wh-vs__table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--color-line);
  vertical-align: middle;
}
.p-wh-vs__table thead th {
  font-family: var(--font-jp-sans);
  font-weight: 700;
  padding-block: 18px;
}
.p-wh-vs__head-row { width: 28%; background: transparent; }
.p-wh-vs__head--main {
  background: var(--color-main-soft);
  color: var(--color-main-deep);
  border-radius: 6px 6px 0 0;
  position: relative;
}
.p-wh-vs__head--sub {
  background: #F2F2F2;
  color: var(--color-text-sub);
  border-radius: 6px 6px 0 0;
}
.p-wh-vs__badge {
  display: inline-block;
  background: var(--color-main);
  color: var(--color-white);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-right: 8px;
  vertical-align: middle;
}
.p-wh-vs__table tbody th {
  text-align: left;
  background: var(--color-base);
  color: var(--color-text);
  font-weight: 700;
  width: 28%;
}
.p-wh-vs__table td.is-main {
  background: rgba(232, 215, 170, 0.18);
  color: var(--color-text);
  font-weight: 600;
}
.p-wh-vs__table tbody tr:last-child th,
.p-wh-vs__table tbody tr:last-child td {
  border-bottom: none;
}
.p-wh-vs__note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--color-text-mute);
  text-align: center;
}

/* ----- Machine（最新機器） ----- */
.p-wh-machine {
  background: var(--color-base);
}
.p-wh-machine__lead {
  text-align: center;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: 40px;
}
.p-wh-machine__lead strong {
  color: var(--color-main-deep);
}
.p-wh-machine__specs {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .p-wh-machine__specs {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}
.p-wh-machine__spec {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: center;
}
.p-wh-machine__spec-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-main-deep);
  margin-bottom: 8px;
}
.p-wh-machine__spec-value {
  font-family: var(--font-en);
  color: var(--color-main);
  line-height: 1;
  margin-bottom: 8px;
}
.p-wh-machine__spec-value strong {
  font-size: clamp(40px, 6vw, 56px);
  font-weight: 500;
}
.p-wh-machine__spec-value span {
  font-size: 16px;
  margin-left: 4px;
  color: var(--color-text-sub);
  letter-spacing: 0;
}
.p-wh-machine__spec-note {
  font-size: 12px;
  color: var(--color-text-sub);
}
.p-wh-machine__leds {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .p-wh-machine__leds {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}
.p-wh-machine__led {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  border-left: 4px solid var(--color-main);
}
.p-wh-machine__led--blue { border-left-color: #5DB2D8; }
.p-wh-machine__led--red { border-left-color: #D87878; }
.p-wh-machine__led--purple { border-left-color: #A285C8; }
.p-wh-machine__led-name {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
  color: var(--color-text);
}
.p-wh-machine__led-text {
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-sub);
}

/* ----- Gel（ジェルへのこだわり） ----- */
.p-wh-gel__lead {
  text-align: center;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: 40px;
}
.p-wh-gel__lead strong {
  color: var(--color-main-deep);
}
.p-wh-gel__points {
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .p-wh-gel__points { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.p-wh-gel__point {
  background: var(--color-base);
  border-radius: var(--radius-sm);
  padding: 28px;
}
.p-wh-gel__point-en {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-main);
  margin-bottom: 6px;
}
.p-wh-gel__point-title {
  font-family: var(--font-jp-serif);
  font-size: 17px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}
.p-wh-gel__point p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-sub);
}
.p-wh-gel__effects {
  background: var(--color-main-soft);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  text-align: center;
}
.p-wh-gel__effects-title {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  color: var(--color-main-deep);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.p-wh-gel__effects-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 12px;
}
.p-wh-gel__effects-list li {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--color-text);
  letter-spacing: 0.03em;
}

/* ----- Safety（安心の品質） ----- */
.p-wh-safety {
  background: var(--color-base-soft);
}
.p-wh-safety__lead {
  text-align: center;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: var(--sp-same);
}
.p-wh-safety__list {
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) {
  .p-wh-safety__list { grid-template-columns: 1fr 1fr; gap: 24px; }
}
.p-wh-safety__item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 24px 26px;
  border: 1px solid var(--color-line);
}
.p-wh-safety__item-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-white);
  background: var(--color-main);
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}
.p-wh-safety__item-title {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}
.p-wh-safety__item p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-sub);
}

/* ----- Trust（医療従事者選定 7冠） ----- */
.p-wh-trust__lead {
  text-align: center;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: var(--sp-same);
}
.p-wh-trust__lead strong {
  color: var(--color-main-deep);
}
.p-wh-trust__crowns {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-bottom: var(--sp-same);
  counter-reset: crown;
}
@media (min-width: 768px) {
  .p-wh-trust__crowns {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 20px;
  }
}
@media (min-width: 1100px) {
  .p-wh-trust__crowns {
    grid-template-columns: repeat(4, 1fr);
  }
}
.p-wh-trust__crowns li {
  counter-increment: crown;
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-main-soft);
  border-radius: var(--radius-sm);
  padding: 16px 18px 16px 56px;
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.p-wh-trust__crowns li::before {
  content: counter(crown);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-main);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.p-wh-trust__crowns li small {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--color-main-deep);
  letter-spacing: 0.05em;
}
.p-wh-trust__endorse {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .p-wh-trust__endorse { grid-template-columns: 1fr 1fr; gap: 24px; }
}
.p-wh-trust__endorse-item {
  background: var(--color-main-soft);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
}
.p-wh-trust__endorse-tag {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-main-deep);
  margin-bottom: 8px;
}
.p-wh-trust__endorse-name {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}
.p-wh-trust__endorse-text {
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-sub);
}
.p-wh-trust__source {
  font-size: 11.5px;
  color: var(--color-text-mute);
  text-align: center;
  line-height: 1.6;
}

/* c-heading の中央寄せモディファイア */
.c-heading--centered {
  justify-content: center;
  text-align: center;
}
.c-heading--centered::after { display: none; }