:root {
  --yellow: #ffe000;
  --yellow-deep: #f2c900;
  --yellow-soft: #fff9cf;
  --ink: #272824;
  --muted: #6b6c64;
  --green: #385e50;
  --green-soft: #dfeae4;
  --warm: #f7f5ef;
  --white: #ffffff;
  --line: #e4e2d9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(39, 40, 36, 0.08);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  height: 76px;
  left: 0;
  padding: 0 clamp(24px, 4vw, 72px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  justify-self: start;
}

.brand-mark {
  align-items: center;
  background: var(--yellow);
  display: inline-flex;
  font-size: 21px;
  height: 38px;
  justify-content: center;
  border-radius: 6px;
  width: 38px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-size: 15px;
  font-weight: 700;
}

.brand small {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 12px;
  margin-top: 4px;
}

.header-nav {
  display: flex;
  gap: clamp(24px, 3vw, 44px);
}

.header-nav a {
  color: #56574f;
  font-size: 15px;
  font-weight: 600;
}

.header-nav a:hover {
  color: #11120f;
}

.amazon-button {
  align-items: center;
  background: var(--ink);
  color: var(--white);
  display: inline-flex;
  font-size: 16px;
  font-weight: 700;
  gap: 24px;
  justify-content: space-between;
  min-height: 58px;
  min-width: 250px;
  padding: 0 18px 0 24px;
  border-radius: 8px;
  transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  white-space: nowrap;
}

.button-copy {
  align-items: baseline;
  display: inline-flex;
  gap: 10px;
  white-space: nowrap;
}

.button-price {
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  color: inherit;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding-left: 10px;
  white-space: nowrap;
}

.amazon-button:hover {
  background: var(--green);
  box-shadow: 0 10px 24px rgba(39, 40, 36, 0.18);
  transform: translateY(-2px);
}

.amazon-button:active {
  box-shadow: none;
  transform: translateY(0);
}

.amazon-button:focus-visible,
.site-header a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--yellow-deep);
  outline-offset: 3px;
}

.button-arrow {
  align-items: center;
  background: var(--yellow);
  color: var(--ink);
  display: inline-flex;
  font-size: 18px;
  height: 34px;
  justify-content: center;
  border-radius: 50%;
  width: 34px;
}

.amazon-button--compact {
  gap: 16px;
  justify-self: end;
  min-height: 44px;
  min-width: 285px;
  padding-left: 18px;
}

.amazon-button--compact .button-arrow {
  height: 28px;
  width: 28px;
}

.hero {
  display: grid;
  grid-template-areas: "copy visual";
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  min-height: min(720px, calc(100svh - 76px));
  overflow: hidden;
}

.hero-copy {
  align-self: center;
  grid-area: copy;
  max-width: 760px;
  padding: 70px clamp(32px, 7vw, 118px);
}

.eyebrow,
.section-kicker {
  color: var(--green);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 22px;
}

.hero h1 {
  font-size: clamp(50px, 6vw, 86px);
  font-weight: 800;
  line-height: 1.02;
  margin: 0;
}

.hero h1 span {
  display: block;
  font-size: 0.72em;
  font-weight: 700;
  margin-top: 8px;
}

.hero-tagline {
  color: #3d3e38;
  font-size: clamp(22px, 2.2vw, 32px);
  font-weight: 700;
  line-height: 1.5;
  margin: 28px 0 18px;
}

.hero-lead {
  color: var(--muted);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.8;
  margin: 0;
  max-width: 620px;
}

.hero-price {
  align-items: baseline;
  display: flex;
  gap: 10px;
  margin-top: 26px;
}

.hero-price > span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.hero-price strong {
  color: var(--ink);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.hero-price em {
  font-size: 21px;
  font-style: normal;
  margin-left: 3px;
}

.hero-price small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.hero-actions {
  align-items: center;
  display: flex;
  gap: 25px;
  margin-top: 32px;
}

.hero-actions p {
  border-left: 3px solid var(--yellow);
  margin: 0;
  padding-left: 15px;
}

.hero-meta {
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
}

.hero-visual {
  background: var(--yellow);
  grid-area: visual;
  min-height: 580px;
  overflow: hidden;
  position: relative;
}

.hero-visual::before,
.hero-visual::after {
  background: rgba(255, 255, 255, 0.55);
  content: "";
  height: 1px;
  position: absolute;
  transform: rotate(-24deg);
  width: 130%;
}

.hero-visual::before {
  left: -10%;
  top: 20%;
}

.hero-visual::after {
  bottom: 18%;
  left: -5%;
}

.product-stage {
  align-items: flex-end;
  display: flex;
  height: 100%;
  justify-content: center;
  padding: 58px 38px 0;
  position: relative;
  z-index: 2;
}

.hero-product {
  filter: drop-shadow(0 25px 28px rgba(82, 69, 0, 0.22));
  height: auto;
  max-height: 620px;
  object-fit: contain;
  width: min(76%, 430px);
}

.visual-caption {
  align-items: center;
  background: var(--white);
  border-radius: 6px;
  display: flex;
  gap: 10px;
  left: 30px;
  padding: 10px 14px;
  position: absolute;
  top: 30px;
  z-index: 3;
}

.visual-caption span {
  background: var(--green);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 7px;
}

.visual-caption strong {
  font-size: 14px;
}

.trust-section {
  background: var(--yellow);
  padding: 82px 0 88px;
}

.trust-heading {
  margin-bottom: 36px;
}

.trust-heading h2 {
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.35;
  margin: 0;
}

.trust-heading em {
  color: var(--green);
  font-style: normal;
}

.trust-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-card {
  background: var(--white);
  border: 1px solid rgba(39, 40, 36, 0.1);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(106, 91, 0, 0.12);
  min-height: 218px;
  padding: 26px 24px;
}

.trust-number,
.trust-card strong,
.trust-card p {
  display: block;
}

.trust-number {
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 22px;
}

.trust-card strong {
  font-size: 22px;
  line-height: 1.4;
}

.trust-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 14px 0 0;
}

.section-inner {
  margin: 0 auto;
  max-width: 1240px;
  padding-left: 30px;
  padding-right: 30px;
}

.intro-section {
  background: var(--warm);
  padding: 110px 0;
}

.intro-grid {
  align-items: center;
  display: grid;
  gap: clamp(50px, 7vw, 100px);
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
}

.intro-image-wrap {
  position: relative;
}

.intro-image-wrap::before {
  background: var(--yellow);
  content: "";
  border-radius: 8px;
  height: 72%;
  left: -18px;
  position: absolute;
  top: -18px;
  width: 72%;
}

.section-image {
  border-radius: 8px;
  height: auto;
  position: relative;
  width: 100%;
}

.section-kicker {
  margin-bottom: 18px;
}

.intro-copy h2,
.section-heading h2,
.quality-copy h2,
.routine-copy h2,
.final-copy h2 {
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 800;
  line-height: 1.45;
  margin: 0;
}

.intro-copy > p:not(.section-kicker),
.section-heading > p:last-child,
.routine-copy > p:not(.section-kicker) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
  margin: 25px 0 0;
}

.intro-specs {
  border-bottom: 1px solid #d5d2c8;
  border-top: 1px solid #d5d2c8;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 36px 0 0;
  padding: 20px 0;
}

.intro-specs div + div {
  border-left: 1px solid #d5d2c8;
}

.intro-specs div {
  padding-left: 18px;
}

.intro-specs div:first-child {
  padding-left: 0;
}

.intro-specs dt {
  color: var(--muted);
  font-size: 14px;
}

.intro-specs dd {
  font-size: 20px;
  font-weight: 700;
  margin: 6px 0 0;
}

.ingredients-section {
  padding: 120px 0;
}

.section-heading--center {
  margin: 0 auto 60px;
  max-width: 760px;
  text-align: center;
}

.section-heading h2 em {
  color: #ca9800;
  font-style: normal;
}

.ingredients-layout {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
}

.ingredients-photo {
  background: var(--yellow-soft);
  border-radius: 8px;
  overflow: hidden;
  padding: 14px;
  position: sticky;
  top: 100px;
  width: 100%;
}

.ingredients-photo img {
  border-radius: 5px;
  height: auto;
  width: 100%;
}

.ingredients-photo p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  padding: 12px 18px 14px;
}

.ingredient-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ingredient-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 190px;
  padding: 24px;
  position: relative;
}

.ingredient-item:nth-child(7) {
  grid-column: 1 / -1;
  min-height: 150px;
}

.ingredient-number {
  color: #b4b2aa;
  font-size: 15px;
  font-weight: 700;
  position: absolute;
  right: 20px;
  top: 20px;
}

.ingredient-item h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 20px;
}

.ingredient-item strong {
  display: block;
  font-size: clamp(27px, 3vw, 39px);
  font-weight: 800;
}

.ingredient-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 8px 0 0;
}

.quality-section {
  background: var(--green);
  color: var(--white);
  overflow: hidden;
  padding: 110px 0;
}

.quality-grid {
  align-items: center;
  display: grid;
  gap: clamp(50px, 7vw, 100px);
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
}

.section-kicker--light {
  color: var(--yellow);
}

.quality-copy h2 {
  font-size: clamp(32px, 3.8vw, 50px);
}

.quality-lead {
  color: #dbe5df;
  font-size: 17px;
  line-height: 1.8;
  margin: 24px 0 0;
}

.quality-points {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  margin-top: 38px;
}

.quality-points article {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  padding: 22px 0;
}

.quality-points h3 {
  font-size: 19px;
  margin: 0 0 6px;
}

.quality-points p {
  color: #cbd8d1;
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

.quality-image-wrap {
  position: relative;
}

.quality-image-wrap::after {
  border: 1px solid var(--yellow);
  border-radius: 8px;
  content: "";
  height: 100%;
  left: 18px;
  position: absolute;
  top: 18px;
  width: 100%;
}

.quality-image {
  border-radius: 8px;
  height: auto;
  position: relative;
  width: 100%;
  z-index: 1;
}

.routine-section {
  background: var(--yellow);
  overflow: hidden;
}

.routine-grid {
  align-items: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  min-height: 620px;
}

.routine-copy {
  padding: 80px 60px 80px 0;
}

.routine-copy .section-kicker {
  color: var(--ink);
}

.routine-copy > p:not(.section-kicker) {
  color: #575649;
  max-width: 600px;
}

.routine-number {
  align-items: baseline;
  border-top: 1px solid rgba(39, 40, 36, 0.35);
  display: flex;
  gap: 12px;
  margin-top: 35px;
  padding-top: 18px;
  width: 220px;
}

.routine-number strong {
  font-size: 78px;
  font-weight: 800;
  line-height: 1;
}

.routine-number span {
  font-size: 18px;
  font-weight: 700;
}

.routine-product {
  align-self: end;
  display: flex;
  justify-content: center;
  min-height: 620px;
  position: relative;
}

.routine-product::before {
  background: rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  content: "";
  height: 520px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -43%);
  width: 520px;
}

.routine-product img {
  align-self: end;
  filter: drop-shadow(0 22px 24px rgba(82, 69, 0, 0.2));
  height: auto;
  max-height: 570px;
  object-fit: contain;
  position: relative;
  width: min(82%, 360px);
  z-index: 2;
}

.routine-badge {
  align-items: center;
  background: var(--green);
  border-radius: 8px;
  color: var(--white);
  display: flex;
  flex-direction: column;
  height: 104px;
  justify-content: center;
  position: absolute;
  right: 5%;
  top: 80px;
  width: 104px;
  z-index: 3;
}

.routine-badge span {
  font-size: 14px;
}

.routine-badge strong {
  color: var(--yellow);
  font-size: 38px;
  line-height: 1;
}

.faq-section {
  padding: 120px 0;
}

.faq-grid {
  align-items: start;
  display: grid;
  gap: clamp(50px, 8vw, 120px);
  grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
}

.faq-grid .section-heading {
  position: sticky;
  top: 112px;
}

.faq-grid .section-heading h2 {
  font-size: clamp(36px, 4vw, 52px);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-size: 18px;
  font-weight: 700;
  justify-content: space-between;
  list-style: none;
  min-height: 82px;
  padding: 20px 4px;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  align-items: center;
  background: var(--yellow);
  border-radius: 6px;
  display: inline-flex;
  flex: 0 0 32px;
  font-size: 18px;
  height: 32px;
  justify-content: center;
  margin-left: 20px;
  transition: transform 180ms ease;
  width: 32px;
}

.faq-list details[open] .faq-plus {
  transform: rotate(45deg);
}

.faq-list details > p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  padding: 0 54px 28px 4px;
}

.final-cta {
  align-items: center;
  background: var(--warm);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  min-height: 600px;
  overflow: hidden;
  padding-left: max(30px, calc((100vw - 1180px) / 2));
}

.final-copy {
  padding: 80px 60px 80px 0;
  position: relative;
  z-index: 2;
}

.final-copy h2 {
  max-width: 700px;
}

.final-copy > p:not(.section-kicker) {
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 30px;
}

.final-product {
  align-items: flex-end;
  align-self: stretch;
  background: var(--yellow);
  display: flex;
  justify-content: center;
  position: relative;
}

.final-product::before {
  border: 1px solid rgba(39, 40, 36, 0.25);
  border-radius: 8px;
  content: "";
  height: 70%;
  position: absolute;
  top: 15%;
  width: 70%;
}

.final-product img {
  filter: drop-shadow(0 24px 25px rgba(82, 69, 0, 0.2));
  height: auto;
  max-height: 540px;
  object-fit: contain;
  position: relative;
  width: min(72%, 330px);
  z-index: 2;
}

footer {
  background: var(--ink);
  color: var(--white);
  display: grid;
  gap: 40px;
  grid-template-columns: 0.7fr 1.3fr auto;
  padding: 55px clamp(30px, 7vw, 120px);
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  font-size: 18px;
}

.footer-brand span {
  color: #a9aaa2;
  font-size: 14px;
  margin-top: 8px;
}

.footer-notes p {
  color: #a9aaa2;
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 5px;
}

.footer-links {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  gap: 10px;
  grid-column: 3;
  grid-row: 1;
}

.footer-links a {
  color: #d7d8d2;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-links a:hover {
  color: var(--yellow);
}

.copyright {
  align-self: end;
  color: #8f9088;
  font-size: 12px;
  grid-column: 3;
  grid-row: 2;
  margin: 0;
  white-space: nowrap;
}

.legal-page {
  background: var(--warm);
  min-height: 100vh;
}

.legal-header {
  align-items: center;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 72px;
  padding: 15px clamp(20px, 5vw, 70px);
}

.legal-back {
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.legal-content {
  margin: 0 auto;
  max-width: 840px;
  padding: 70px 24px 100px;
}

.legal-content h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.25;
  margin: 0 0 45px;
}

.legal-content h2 {
  border-left: 6px solid var(--yellow);
  font-size: 21px;
  margin: 42px 0 16px;
  padding-left: 14px;
}

.legal-content p,
.legal-content li {
  color: #4f504b;
  font-size: 16px;
  line-height: 1.9;
}

.legal-content ul {
  padding-left: 1.4em;
}

.legal-updated {
  color: var(--muted);
  font-size: 14px;
  margin-top: 50px;
}

.mobile-cta {
  display: none;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-nav {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  }

  .hero-copy {
    padding-left: 45px;
    padding-right: 45px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .ingredients-layout {
    grid-template-columns: 1fr;
  }

  .ingredients-photo {
    margin: 0 auto;
    max-width: 620px;
    position: static;
  }

  .quality-grid {
    gap: 55px;
  }

  footer {
    grid-template-columns: 1fr 2fr;
  }

  .copyright {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 60px;
    padding: 0 16px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    font-size: 12px;
  }

  .site-header > .amazon-button {
    display: none;
  }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: auto;
  }

  .hero-visual {
    min-height: 390px;
  }

  .product-stage {
    padding: 50px 20px 0;
  }

  .hero-product {
    max-height: 370px;
    width: min(68%, 270px);
  }

  .visual-caption {
    left: 16px;
    top: 16px;
  }

  .visual-caption span {
    font-size: 12px;
  }

  .visual-caption strong {
    font-size: 13px;
  }

  .hero-copy {
    max-width: none;
    padding: 32px 20px 40px;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 54px);
    line-height: 1.08;
  }

  .hero-tagline {
    font-size: 23px;
    line-height: 1.55;
    margin: 22px 0 18px;
  }

  .hero-lead {
    font-size: 17px;
    line-height: 1.8;
  }

  .hero-price {
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 7px 9px;
    margin-top: 24px;
  }

  .hero-price > span {
    flex-basis: 100%;
    font-size: 15px;
  }

  .hero-price strong {
    font-size: 44px;
  }

  .hero-price em {
    font-size: 21px;
  }

  .hero-price small {
    font-size: 14px;
  }

  .hero-actions {
    gap: 16px;
    margin-top: 26px;
    width: 100%;
  }

  .hero-actions .amazon-button {
    gap: 10px;
    padding-left: 16px;
    padding-right: 12px;
    width: 100%;
  }

  .amazon-button .button-copy {
    gap: 8px;
  }

  .amazon-button .button-price {
    font-size: 11px;
    padding-left: 8px;
  }

  .hero-meta {
    border-left-width: 4px !important;
    font-size: 16px;
    width: 100%;
  }

  .trust-section {
    padding: 56px 0 60px;
  }

  .trust-heading {
    margin-bottom: 28px;
  }

  .trust-heading h2 {
    font-size: clamp(30px, 8.5vw, 38px);
  }

  .trust-grid {
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-card {
    min-height: 180px;
    padding: 18px 16px;
  }

  .trust-number {
    font-size: 13px;
    margin-bottom: 16px;
  }

  .trust-card strong {
    font-size: 19px;
  }

  .trust-card p {
    font-size: 14px;
    line-height: 1.65;
    margin-top: 10px;
  }

  .section-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .intro-section,
  .ingredients-section,
  .quality-section,
  .faq-section {
    padding: 68px 0;
  }

  .intro-grid,
  .quality-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    gap: 42px;
  }

  .intro-copy h2,
  .section-heading h2,
  .quality-copy h2,
  .routine-copy h2,
  .final-copy h2 {
    font-size: clamp(30px, 8.5vw, 38px);
    line-height: 1.35;
  }

  .intro-copy > p,
  .section-heading > p,
  .routine-copy > p {
    font-size: 17px;
    line-height: 1.8;
  }

  .intro-specs {
    padding: 18px 0;
  }

  .intro-specs div {
    padding-left: 10px;
  }

  .intro-specs dt {
    font-size: 14px;
  }

  .intro-specs dd {
    font-size: 18px;
  }

  .section-heading--center {
    margin-bottom: 42px;
    text-align: left;
  }

  .ingredients-photo {
    border-radius: 8px;
    margin: 0;
    max-width: none;
    padding: 8px;
    width: 100%;
  }

  .ingredient-grid {
    grid-template-columns: 1fr;
  }

  .ingredient-item,
  .ingredient-item:nth-child(7) {
    grid-column: auto;
    min-height: 170px;
    padding: 24px 22px;
  }

  .ingredient-item h3 {
    font-size: 20px;
  }

  .ingredient-item strong {
    font-size: 36px;
  }

  .ingredient-item p,
  .ingredients-photo p {
    font-size: 14px;
  }

  .quality-grid {
    gap: 44px;
  }

  .quality-lead {
    font-size: 17px;
    line-height: 1.8;
  }

  .quality-points h3 {
    font-size: 19px;
  }

  .quality-points p {
    font-size: 16px;
  }

  .quality-image-wrap {
    margin: 0;
    width: 100%;
  }

  .quality-image-wrap::after {
    display: none;
  }

  .quality-image {
    border-radius: 8px;
  }

  .routine-grid {
    grid-template-columns: 1fr;
  }

  .routine-copy {
    padding: 68px 0 24px;
  }

  .routine-product {
    min-height: 470px;
  }

  .routine-product::before {
    height: 380px;
    width: 380px;
  }

  .routine-product img {
    max-height: 440px;
  }

  .routine-badge {
    right: 2%;
    top: 45px;
  }

  .faq-grid .section-heading {
    position: static;
  }

  .faq-list summary {
    font-size: 18px;
    min-height: 76px;
  }

  .faq-list details > p {
    font-size: 16px;
    padding-right: 44px;
  }

  .final-cta {
    grid-template-columns: 1fr;
    padding-left: 0;
  }

  .final-copy {
    padding: 68px 20px 46px;
  }

  .final-copy .amazon-button {
    gap: 10px;
    padding-left: 16px;
    padding-right: 12px;
    width: 100%;
  }

  .final-product {
    min-height: 400px;
  }

  .final-product img {
    max-height: 380px;
  }

  footer {
    gap: 30px;
    grid-template-columns: 1fr;
    padding: 50px 22px 130px;
  }

  .footer-notes p {
    font-size: 13px;
    line-height: 1.75;
    margin-bottom: 10px;
  }

  .copyright {
    grid-column: auto;
    grid-row: auto;
  }

  .footer-links {
    align-items: flex-start;
    grid-column: auto;
    grid-row: auto;
  }

  .mobile-cta {
    background: transparent;
    border: 0;
    bottom: max(10px, env(safe-area-inset-bottom));
    box-shadow: none;
    display: block;
    left: 50%;
    max-width: 440px;
    padding: 0;
    position: fixed;
    transform: translateX(-50%);
    width: calc(100% - 24px);
    z-index: 30;
  }

  .mobile-cta .amazon-button {
    background: var(--green);
    border: 1px solid #173f2d;
    border-radius: 6px;
    box-shadow: 0 10px 28px rgba(19, 62, 43, 0.34);
    color: var(--white);
    font-size: 15px;
    gap: 10px;
    min-height: 58px;
    min-width: 0;
    padding: 0 12px 0 20px;
    width: 100%;
  }

  .mobile-cta .amazon-button:hover {
    background: #173f2d;
    box-shadow: 0 10px 28px rgba(19, 62, 43, 0.34);
    transform: none;
  }

  .mobile-cta .amazon-button:active {
    transform: scale(0.99);
  }

  .mobile-cta .button-arrow {
    background: var(--white);
    color: var(--green);
    height: 36px;
    width: 36px;
  }
}

@media (max-width: 340px) {
  .amazon-button {
    font-size: 14px;
  }

  .amazon-button .button-price {
    font-size: 10px;
    padding-left: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}