.nutrition-page {
  background: var(--ivory);
}

/* =========================================
   SCROLL STORY
========================================= */
.nutrition-story {
  position: relative;
  background: #171513;
  color: #f6f1e8;
}

.nutrition-story-background {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  overflow: hidden;
  background: #171513;
}

.nutrition-story-image {
  position: absolute;
  inset: -1.5%;
  width: 103%;
  height: 103%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.025);
  filter: saturate(.82) contrast(.96) brightness(.82);
  transition:
    opacity 1750ms cubic-bezier(.22, 1, .36, 1),
    transform 5200ms cubic-bezier(.16, 1, .3, 1);
  will-change: opacity, transform;
}

.nutrition-story-image:nth-child(1) { object-position: 50% 55%; }
.nutrition-story-image:nth-child(2) { object-position: 50% 54%; }
.nutrition-story-image:nth-child(3) { object-position: 50% 55%; }
.nutrition-story-image:nth-child(4) { object-position: 56% 52%; }

.nutrition-story-image.is-active {
  opacity: 1;
  transform: scale(1);
}

.nutrition-story-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17,14,12,.55) 0%, rgba(17,14,12,.16) 47%, rgba(17,14,12,.32) 100%),
    linear-gradient(180deg, rgba(12,10,9,.12) 0%, rgba(12,10,9,.04) 58%, rgba(12,10,9,.36) 100%);
  pointer-events: none;
}

.nutrition-story-content {
  position: relative;
  z-index: 4;
  margin-top: -100svh;
}

.nutrition-scene {
  min-height: 108svh;
  padding: 150px max(7vw, 32px);
  display: flex;
  align-items: center;
}

.nutrition-scene-right {
  justify-content: flex-end;
}

.nutrition-story-copy {
  width: min(650px, 92%);
  padding: clamp(34px, 4vw, 52px);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(24,20,17,.66);
  box-shadow: 0 28px 80px rgba(0,0,0,.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nutrition-story-kicker,
.nutrition-kicker {
  margin: 0 0 24px;
  font-family: var(--sans);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.nutrition-story-kicker {
  color: rgba(255,255,255,.55);
}

.nutrition-story-copy h1,
.nutrition-story-copy h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", var(--serif);
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: -.035em;
}

.nutrition-story-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5.4rem);
}

.nutrition-story-copy h2 {
  font-size: clamp(2.25rem, 4vw, 4.35rem);
}

.nutrition-story-copy > p:not(.nutrition-story-kicker) {
  max-width: 540px;
  margin: 30px 0 0;
  color: rgba(255,255,255,.75);
  font-size: .92rem;
  line-height: 2.05;
}

.nutrition-story-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.16);
}

.nutrition-story-metrics-wide {
  grid-template-columns: repeat(2, 1fr);
}

.nutrition-story-metrics span {
  min-height: 104px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: rgba(25,21,18,.72);
}

.nutrition-story-metrics strong {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1;
}

.nutrition-story-metrics small {
  margin-top: 9px;
  color: rgba(255,255,255,.48);
  font-size: .56rem;
  letter-spacing: .14em;
}

.nutrition-story-link {
  display: inline-flex;
  align-items: center;
  gap: 36px;
  margin-top: 34px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,.58);
  color: #fff;
  font-size: .72rem;
  letter-spacing: .1em;
  transition: opacity 250ms ease;
}

.nutrition-story-link:hover { opacity: .62; }

/* =========================================
   SHARED CONTENT
========================================= */
.nutrition-content {
  width: min(calc(100% - (var(--pad) * 2)), 1220px);
  margin-inline: auto;
}

.nutrition-section-heading {
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(420px, 1.1fr);
  column-gap: clamp(48px, 8vw, 130px);
  align-items: end;
  margin-bottom: clamp(54px, 7vw, 88px);
}

.nutrition-section-heading .nutrition-kicker {
  grid-column: 1 / -1;
  color: #766f65;
}

.nutrition-section-heading h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", var(--serif);
  font-size: clamp(2rem, 3.1vw, 3.6rem);
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: -.03em;
}

.nutrition-section-heading > p:last-child {
  margin: 0 0 5px;
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 2;
}

.nutrition-section-heading-compact {
  display: block;
  max-width: 760px;
}

.nutrition-section-heading-compact .nutrition-kicker {
  margin-bottom: 20px;
}

/* =========================================
   EXPLAIN
========================================= */
.nutrition-explain {
  padding: clamp(105px, 10vw, 155px) 0;
  background: var(--ivory);
}

.nutrition-number-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.nutrition-number-card {
  min-height: 385px;
  padding: 31px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.nutrition-card-index {
  color: #8b8479;
  font-size: .58rem;
  letter-spacing: .16em;
}

.nutrition-number-card > strong {
  margin-top: 52px;
  font-family: var(--serif);
  font-size: clamp(3.1rem, 5vw, 5.2rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.05em;
}

.nutrition-number-card > strong small {
  display: block;
  margin-top: 12px;
  font-family: var(--sans);
  color: #827b70;
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .13em;
}

.nutrition-number-card h3 {
  margin-top: auto;
  padding-top: 42px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", var(--serif);
  font-size: 1.28rem;
  font-weight: 400;
  line-height: 1.55;
}

.nutrition-number-card p {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: .82rem;
  line-height: 1.95;
}

.nutrition-data-note {
  margin-top: 26px;
  color: #8a8379;
  font-size: .68rem;
  line-height: 1.8;
}

/* =========================================
   ANALYSIS
========================================= */
.nutrition-analysis {
  padding: clamp(105px, 10vw, 150px) 0;
  background: #1b1815;
  color: #fff;
}

.nutrition-analysis .nutrition-kicker {
  color: rgba(255,255,255,.45);
}

.nutrition-analysis-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,.18);
  border-left: 1px solid rgba(255,255,255,.18);
}

.nutrition-analysis-grid > div {
  min-height: 130px;
  padding: 25px 24px;
  border-right: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.18);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nutrition-analysis-grid span {
  color: rgba(255,255,255,.5);
  font-size: .68rem;
  letter-spacing: .07em;
}

.nutrition-analysis-grid strong {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 2.2rem);
  font-weight: 400;
}

.nutrition-analysis-energy {
  background: #514036;
}

/* =========================================
   FEEDING
========================================= */
.nutrition-feeding {
  padding: clamp(105px, 10vw, 155px) 0;
  background: #f7f4ed;
}

.nutrition-feeding-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(44px, 8vw, 120px);
  align-items: end;
}

.nutrition-feeding-intro .nutrition-section-heading {
  margin-bottom: 0;
}

.nutrition-feeding-lead {
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 2;
}

.nutrition-table-wrap {
  width: 100%;
  margin-top: 64px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nutrition-feeding-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.nutrition-feeding-table th,
.nutrition-feeding-table td {
  min-width: 76px;
  padding: 21px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
}

.nutrition-feeding-table th {
  color: #777168;
  font-size: .68rem;
  font-weight: 500;
}

.nutrition-feeding-table th:first-child {
  min-width: 130px;
  text-align: left;
}

.nutrition-feeding-table td {
  font-family: var(--serif);
  font-size: 1.08rem;
}

.nutrition-life-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 62px;
  border-top: 1px solid var(--line);
}

.nutrition-life-card {
  min-height: 270px;
  padding: 32px 30px 26px 0;
}

.nutrition-life-card + .nutrition-life-card {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.nutrition-life-card > span {
  color: #888177;
  font-size: .58rem;
  letter-spacing: .14em;
}

.nutrition-life-card h3 {
  margin-top: 50px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", var(--serif);
  font-size: 1.55rem;
  font-weight: 400;
}

.nutrition-life-card p {
  margin-top: 17px;
  color: var(--ink-soft);
  font-size: .82rem;
  line-height: 2;
}

.nutrition-adjust {
  margin-top: 76px;
  padding: clamp(38px, 5vw, 62px);
  background: #ded8cd;
}

.nutrition-adjust .nutrition-kicker {
  color: #777168;
}

.nutrition-adjust h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", var(--serif);
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 400;
  line-height: 1.45;
}

.nutrition-adjust > p:last-child {
  max-width: 720px;
  margin-top: 22px;
  color: #57534d;
  font-size: .86rem;
  line-height: 2;
}

/* =========================================
   RECIPES
========================================= */
.nutrition-recipes {
  padding: clamp(105px, 10vw, 155px) 0;
  background: var(--ivory);
}

.nutrition-recipe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.nutrition-recipe-card {
  min-height: 600px;
  padding: 27px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(155deg, #e7e2d8 0%, #f7f4ed 78%);
  border: 1px solid rgba(23,23,21,.07);
  border-radius: 16px;
  transition: transform 450ms cubic-bezier(.22,1,.36,1), box-shadow 450ms ease;
}

.nutrition-recipe-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 28px 60px rgba(25,20,14,.10);
}

.nutrition-recipe-card > span {
  color: rgba(23,23,21,.5);
  font-size: .6rem;
  letter-spacing: .15em;
}

.nutrition-recipe-card img {
  width: 100%;
  height: 405px;
  margin: 10px 0 18px;
  object-fit: contain;
  filter: drop-shadow(0 24px 24px rgba(20,16,11,.11));
  transition: transform 550ms cubic-bezier(.22,1,.36,1);
}

.nutrition-recipe-card:hover img {
  transform: translateY(-7px) scale(1.02);
}

.nutrition-recipe-card > div {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(23,23,21,.13);
}

.nutrition-recipe-card h3 {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 400;
}

.nutrition-recipe-card p {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  color: #716b62;
  font-size: .72rem;
}

.nutrition-recipe-card b {
  font-weight: 400;
  transition: transform 250ms ease;
}

.nutrition-recipe-card:hover b { transform: translateX(5px); }

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 900px) {
  .nutrition-section-heading,
  .nutrition-feeding-intro {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .nutrition-number-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nutrition-analysis-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nutrition-recipe-card {
    min-height: 520px;
  }

  .nutrition-recipe-card img {
    height: 330px;
  }
}

@media (max-width: 700px) {
  .nutrition-story-image {
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .nutrition-story-image:nth-child(1) { object-position: 46% center; }
  .nutrition-story-image:nth-child(2) { object-position: 46% center; }
  .nutrition-story-image:nth-child(3) { object-position: 44% center; }
  .nutrition-story-image:nth-child(4) { object-position: 56% center; }

  .nutrition-story-background::after {
    background: linear-gradient(180deg, rgba(15,13,11,.10) 0%, rgba(15,13,11,.18) 45%, rgba(15,13,11,.60) 100%);
  }

  .nutrition-scene,
  .nutrition-scene-right {
    min-height: 108svh;
    padding: 105px 20px 46px;
    align-items: flex-end;
    justify-content: flex-start;
  }

  .nutrition-story-copy {
    width: 100%;
    padding: 27px 24px 29px;
    background: rgba(24,20,17,.67);
  }

  .nutrition-story-copy h1 { font-size: clamp(2.55rem, 12vw, 3.55rem); }
  .nutrition-story-copy h2 { font-size: clamp(2.15rem, 10vw, 3rem); }

  .nutrition-story-copy > p:not(.nutrition-story-kicker) {
    margin-top: 22px;
    font-size: .82rem;
    line-height: 1.9;
  }

  .nutrition-story-metrics {
    margin-top: 25px;
  }

  .nutrition-story-metrics span {
    min-height: 88px;
    padding: 15px 12px;
  }

  .nutrition-story-metrics strong {
    font-size: 1.6rem;
  }

  .nutrition-story-metrics small {
    font-size: .47rem;
  }

  .nutrition-number-grid {
    grid-template-columns: 1fr;
  }

  .nutrition-number-card {
    min-height: 340px;
  }

  .nutrition-analysis-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nutrition-analysis-grid > div {
    min-height: 115px;
    padding: 20px 17px;
  }

  .nutrition-table-wrap {
    margin-right: calc(var(--pad) * -1);
    width: calc(100% + var(--pad));
    padding-right: var(--pad);
  }

  .nutrition-life-grid {
    grid-template-columns: 1fr;
  }

  .nutrition-life-card {
    min-height: 0;
    padding: 28px 0 30px;
  }

  .nutrition-life-card + .nutrition-life-card {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .nutrition-life-card h3 {
    margin-top: 25px;
  }

  .nutrition-recipe-grid {
    grid-template-columns: 1fr;
  }

  .nutrition-recipe-card {
    min-height: 520px;
  }

  .nutrition-recipe-card img {
    height: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nutrition-story-image {
    transition: opacity 250ms linear;
    transform: none;
  }
}

/* =========================================
   QUICK NAV — NUTRITION PAGE
   PC: left bottom / Mobile: bottom center
========================================= */
.nutrition-quicknav {
  position: fixed;
  left: max(24px, var(--pad));
  bottom: 26px;
  z-index: 920;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity 320ms ease,
    transform 320ms cubic-bezier(.22, 1, .36, 1),
    visibility 0s linear 320ms;
}

.nutrition-quicknav.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.nutrition-quicknav-inner {
  width: fit-content;
  max-width: calc(100vw - 48px);
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(24,20,17,.72);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition:
    background-color 300ms ease,
    border-color 300ms ease,
    box-shadow 300ms ease;
}

.nutrition-quicknav a {
  position: relative;
  padding: 9px 17px 10px;
  color: rgba(255,255,255,.58);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .1em;
  white-space: nowrap;
  transition: color 220ms ease, background-color 220ms ease;
}

.nutrition-quicknav a + a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28%;
  bottom: 28%;
  width: 1px;
  background: rgba(255,255,255,.13);
  transition: background-color 300ms ease;
}

.nutrition-quicknav a:hover,
.nutrition-quicknav a.is-active {
  color: #fff;
}

.nutrition-quicknav a.is-active {
  background: rgba(255,255,255,.08);
}

/* アイボリー系セクション上では自動的に明るいUIへ */
.nutrition-quicknav.is-light .nutrition-quicknav-inner {
  border-color: rgba(23,23,21,.12);
  background: rgba(250,248,243,.90);
  box-shadow: 0 10px 30px rgba(20,18,15,.06);
}

.nutrition-quicknav.is-light a {
  color: rgba(23,23,21,.48);
}

.nutrition-quicknav.is-light a + a::before {
  background: rgba(23,23,21,.10);
}

.nutrition-quicknav.is-light a:hover,
.nutrition-quicknav.is-light a.is-active {
  color: #171715;
}

.nutrition-quicknav.is-light a.is-active {
  background: rgba(23,23,21,.055);
}

#nutrition-design,
#analysis,
#feeding-guide {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

@media (max-width: 700px) {
  .nutrition-quicknav {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .nutrition-quicknav-inner {
    width: 100%;
    max-width: none;
    justify-content: center;
  }

  .nutrition-quicknav a {
    flex: 1 1 0;
    padding: 9px 8px 10px;
    text-align: center;
    font-size: .59rem;
    letter-spacing: .07em;
  }

  #nutrition-design,
  #analysis,
  #feeding-guide {
    scroll-margin-top: calc(var(--header-height) + 18px);
  }
}