:root {
  --ink: #171c19;
  --muted: #68736d;
  --paper: #f8f9f5;
  --white: #ffffff;
  --soft: #edf1ea;
  --line: #dce3dd;
  --green: #2f6d58;
  --green-dark: #163d31;
  --orange: #ef9b2d;
  --blue: #2e9dd6;
  --red: #e94135;
  --shadow: 0 24px 80px rgba(29, 43, 36, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.78;
  overflow-x: hidden;
  padding-bottom: 78px;
}

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

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

.paw-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.paw {
  position: absolute;
  width: var(--paw-size, 74px);
  height: var(--paw-size, 74px);
  opacity: 0.5;
  filter: drop-shadow(0 12px 20px rgba(22, 61, 49, 0.12));
  transform: translate3d(0, 0, 0) rotate(var(--paw-rotate, -14deg));
  animation: pawDrift var(--paw-speed, 13s) ease-in-out infinite alternate;
}

.paw::before,
.paw::after {
  position: absolute;
  content: "";
}

.dog-paw {
  --paw-color: rgba(47, 109, 88, 0.82);
}

.dog-paw::before {
  left: 27%;
  bottom: 8%;
  width: 46%;
  height: 42%;
  background: var(--paw-color);
  border-radius: 48% 48% 54% 54%;
}

.dog-paw::after {
  inset: 0;
  background:
    radial-gradient(circle at 25% 27%, var(--paw-color) 0 11%, transparent 12%),
    radial-gradient(circle at 43% 16%, var(--paw-color) 0 11%, transparent 12%),
    radial-gradient(circle at 59% 18%, var(--paw-color) 0 11%, transparent 12%),
    radial-gradient(circle at 76% 31%, var(--paw-color) 0 10%, transparent 11%);
}

.cat-paw {
  --paw-color: rgba(239, 155, 45, 0.74);
}

.cat-paw::before {
  left: 31%;
  bottom: 12%;
  width: 38%;
  height: 36%;
  background: var(--paw-color);
  border-radius: 54% 54% 48% 48%;
}

.cat-paw::after {
  inset: 0;
  background:
    radial-gradient(circle at 30% 28%, var(--paw-color) 0 9%, transparent 10%),
    radial-gradient(circle at 45% 18%, var(--paw-color) 0 9%, transparent 10%),
    radial-gradient(circle at 61% 20%, var(--paw-color) 0 9%, transparent 10%),
    radial-gradient(circle at 72% 34%, var(--paw-color) 0 8%, transparent 9%);
}

.paw-1 {
  --paw-size: 82px;
  --paw-rotate: -18deg;
  --paw-speed: 12s;
  left: 7%;
  top: 17%;
}

.paw-2 {
  --paw-size: 58px;
  --paw-rotate: 24deg;
  --paw-speed: 15s;
  left: 25%;
  top: 9%;
  animation-delay: -3s;
}

.paw-3 {
  --paw-size: 68px;
  --paw-rotate: 14deg;
  --paw-speed: 11s;
  right: 12%;
  top: 18%;
  animation-delay: -6s;
}

.paw-4 {
  --paw-size: 48px;
  --paw-rotate: -28deg;
  --paw-speed: 14s;
  right: 31%;
  top: 36%;
  animation-delay: -1s;
}

.paw-5 {
  --paw-size: 88px;
  --paw-rotate: 20deg;
  --paw-speed: 16s;
  left: 12%;
  bottom: 15%;
  animation-delay: -9s;
}

.paw-6 {
  --paw-size: 54px;
  --paw-rotate: -10deg;
  --paw-speed: 13s;
  right: 8%;
  bottom: 20%;
  animation-delay: -5s;
}

.paw-7 {
  --paw-size: 62px;
  --paw-rotate: -34deg;
  --paw-speed: 12s;
  left: 42%;
  bottom: 7%;
  animation-delay: -7s;
}

.paw-8 {
  --paw-size: 46px;
  --paw-rotate: 31deg;
  --paw-speed: 15s;
  left: 52%;
  top: 22%;
  animation-delay: -4s;
}

.paw-9 {
  --paw-size: 72px;
  --paw-rotate: 8deg;
  --paw-speed: 17s;
  right: 23%;
  bottom: 38%;
  animation-delay: -10s;
}

.paw-10 {
  --paw-size: 50px;
  --paw-rotate: -18deg;
  --paw-speed: 14s;
  left: 32%;
  bottom: 32%;
  animation-delay: -2s;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

@keyframes pawDrift {
  from {
    transform: translate3d(-8px, 10px, 0) rotate(var(--paw-rotate, -14deg)) scale(0.96);
  }

  to {
    transform: translate3d(12px, -14px, 0) rotate(calc(var(--paw-rotate, -14deg) + 7deg)) scale(1.04);
  }
}

@media (prefers-reduced-motion: reduce) {
  .paw {
    animation: none;
  }
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px clamp(20px, 4vw, 56px);
  background: rgba(248, 249, 245, 0.86);
  border-bottom: 1px solid rgba(220, 227, 221, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo {
  width: clamp(84px, 7vw, 104px);
  height: auto;
}

.site-nav {
  display: flex;
  gap: clamp(14px, 2.2vw, 30px);
  color: #34413b;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: auto;
  display: block;
  overflow: hidden;
  padding: 116px 0 0;
  background:
    linear-gradient(180deg, rgba(248, 249, 245, 0.98) 0%, rgba(237, 241, 234, 0.92) 48%, #f4f4f4 100%);
}

.hero-empathy {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
  padding-bottom: clamp(32px, 5.4vw, 70px);
}

.hero-empathy-copy {
  min-width: 0;
  text-align: center;
}

.hero-empathy-copy h1 {
  max-width: 980px;
  margin-right: auto;
  margin-bottom: 20px;
  margin-left: auto;
  color: var(--green-dark);
  font-size: clamp(38px, 4.2vw, 64px);
  line-height: 1.12;
}

.hero-empathy-copy p:not(.kicker) {
  max-width: 820px;
  margin-right: auto;
  margin-bottom: 0;
  margin-left: auto;
  color: #4d5a54;
  font-size: clamp(16px, 1.55vw, 20px);
  font-weight: 800;
  line-height: 1.9;
}

.hero-empathy-photos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 16px);
  width: min(100%, 1120px);
  margin: 0 auto;
}

.hero-empathy-photos figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(220, 227, 221, 0.92);
  border-radius: 8px;
  box-shadow: 0 18px 54px rgba(29, 43, 36, 0.13);
}

.hero-empathy-photos figure:nth-child(2) {
  transform: translateY(18px);
}

.hero-empathy-photos img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-empathy-photos figure:nth-child(1) img {
  object-position: 38% 50%;
}

.hero-empathy-photos figure:nth-child(2) img {
  object-position: 46% 50%;
}

.hero-empathy-photos figure:nth-child(3) img {
  object-position: 54% 50%;
}

.hero-empathy-photos figure:nth-child(4) img {
  object-position: 50% 44%;
}

.hero-empathy-photos figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(23, 28, 25, 0.12);
  font-size: clamp(15px, 1.35vw, 18px);
  font-weight: 900;
  line-height: 1.25;
}

.hero-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  background: #f4f4f4;
}

@media (min-width: 961px) {
  .hero {
    padding-top: 96px;
  }

  .hero-empathy {
    gap: 30px;
    padding-bottom: 42px;
  }

  .hero-empathy-copy h1 {
    max-width: 900px;
    margin-bottom: 16px;
    font-size: clamp(44px, 3.55vw, 58px);
  }

  .hero-empathy-copy p:not(.kicker) {
    max-width: 760px;
    font-size: 18px;
    line-height: 1.75;
  }
}

.snapshot {
  position: relative;
  z-index: 1;
  margin-top: -18px;
}

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

.snapshot-grid article {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(220, 227, 221, 0.94);
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(29, 43, 36, 0.08);
}

.snapshot-grid strong,
.snapshot-grid p {
  margin: 0;
}

.snapshot-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green-dark);
  font-size: 19px;
}

.snapshot-grid p {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-family: "Outfit", "Noto Sans JP", sans-serif;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: break-word;
}

h1 {
  margin-bottom: 20px;
  color: #3a3939;
  font-size: clamp(48px, 4.9vw, 86px);
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.22;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  margin-bottom: 9px;
  font-size: 22px;
  line-height: 1.42;
  letter-spacing: 0;
}

.headline-line {
  display: block;
}

@media (min-width: 761px) {
  .headline-line {
    white-space: nowrap;
  }
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
  line-height: 1.25;
}

.button.primary {
  color: var(--white);
  background: var(--green-dark);
  box-shadow: 0 16px 34px rgba(22, 61, 49, 0.24);
}

.button.secondary {
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(22, 61, 49, 0.22);
}

.button.light {
  color: var(--green-dark);
  background: var(--white);
}

.button.dark {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
}

.line-button {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 42%),
    linear-gradient(135deg, #19d96a 0%, #06c755 48%, #00a844 100%);
  border-color: rgba(255, 255, 255, 0.36);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -5px 0 rgba(0, 126, 48, 0.28),
    0 16px 34px rgba(6, 199, 85, 0.26),
    0 8px 0 rgba(0, 130, 51, 0.18);
  text-shadow: 0 1px 0 rgba(0, 82, 34, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.line-button::before,
.floating-line-button span::before {
  position: absolute;
  top: -40%;
  left: -24%;
  width: 42%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  content: "";
  transform: rotate(18deg);
}

.line-button:hover,
.floating-line-button:hover span {
  filter: brightness(1.04);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.54),
    inset 0 -5px 0 rgba(0, 126, 48, 0.25),
    0 20px 42px rgba(6, 199, 85, 0.32),
    0 10px 0 rgba(0, 130, 51, 0.18);
}

.line-button:active,
.floating-line-button:active span {
  transform: translateY(2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.36),
    inset 0 -2px 0 rgba(0, 126, 48, 0.24),
    0 8px 18px rgba(6, 199, 85, 0.24),
    0 3px 0 rgba(0, 130, 51, 0.16);
}

.floating-line-button {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: inline-flex;
  width: 100%;
  min-height: 70px;
  align-items: center;
  justify-content: center;
  padding: 18px 28px;
  background: rgba(104, 115, 109, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow: 0 -10px 30px rgba(23, 28, 25, 0.12);
  backdrop-filter: blur(8px);
}

.floating-line-button span {
  position: relative;
  display: inline-flex;
  overflow: hidden;
  min-width: min(360px, calc(100vw - 56px));
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 15px 34px;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 42%),
    linear-gradient(135deg, #19d96a 0%, #06c755 48%, #00a844 100%);
  border-radius: 8px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -5px 0 rgba(0, 126, 48, 0.28),
    0 12px 28px rgba(6, 199, 85, 0.3),
    0 7px 0 rgba(0, 130, 51, 0.18);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.25;
  text-shadow: 0 1px 0 rgba(0, 82, 34, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.line-cta {
  padding: clamp(34px, 5vw, 58px) 0;
  background: rgba(255, 255, 255, 0.86);
}

.line-cta-top {
  padding-top: clamp(28px, 4vw, 48px);
}

.line-cta-middle {
  background:
    radial-gradient(circle at 82% 12%, rgba(6, 199, 85, 0.12), transparent 28%),
    rgba(237, 241, 234, 0.9);
}

.line-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(18px, 4vw, 42px);
  align-items: center;
  padding: clamp(24px, 4vw, 38px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 58px rgba(29, 43, 36, 0.08);
}

.line-cta-inner > div {
  min-width: 0;
}

.line-cta-inner h2 {
  margin-bottom: 12px;
  font-size: clamp(25px, 3vw, 38px);
  overflow-wrap: break-word;
}

.line-cta-inner p:not(.kicker) {
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 700;
  overflow-wrap: break-word;
}

@media (min-width: 961px) {
  .line-button {
    min-width: 300px;
    min-height: 72px;
    padding: 20px 38px;
    font-size: 20px;
  }
}

.video-proof {
  padding: clamp(58px, 7vw, 92px) 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(239, 155, 45, 0.16), transparent 30%),
    rgba(237, 241, 234, 0.92);
}

.video-proof-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
}

.video-proof-copy {
  min-width: 0;
}

.video-proof-copy h2 {
  max-width: 560px;
  margin-bottom: 18px;
  font-size: clamp(34px, 4.2vw, 58px);
}

.video-proof-copy p:not(.kicker) {
  margin-bottom: 0;
  color: #4d5a54;
  font-size: clamp(16px, 1.45vw, 19px);
  font-weight: 800;
  line-height: 1.9;
}

.video-proof-card {
  background: var(--white);
  border-color: var(--line);
  box-shadow: 0 24px 72px rgba(29, 43, 36, 0.14);
}

.video-proof-card .research-video-copy p:not(.kicker) {
  color: var(--muted);
}

.customer-reviews {
  padding: clamp(64px, 8vw, 104px) 0;
  background:
    radial-gradient(circle at 84% 16%, rgba(239, 155, 45, 0.12), transparent 28%),
    rgba(255, 255, 255, 0.92);
}

.customer-reviews .section-title {
  max-width: 760px;
}

.customer-reviews-frame {
  width: min(100%, 900px);
  margin: 0 auto;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(239, 155, 45, 0.26);
  border-radius: 14px;
  box-shadow: 0 24px 72px rgba(29, 43, 36, 0.13);
}

.customer-reviews-frame img {
  width: 100%;
  height: auto;
}

.customer-reviews-frame a {
  display: block;
}

.customer-reviews-note {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.pet-goods {
  padding: clamp(58px, 7vw, 92px) 0;
  background: rgba(255, 255, 255, 0.82);
}

.product-intro {
  position: relative;
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: clamp(22px, 4vw, 54px);
  align-items: center;
  margin-bottom: clamp(44px, 6vw, 78px);
  padding: clamp(24px, 4vw, 46px);
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 18%, rgba(239, 155, 45, 0.16), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(237, 241, 234, 0.84));
  border: 1px solid rgba(220, 227, 221, 0.9);
  border-radius: 8px;
  box-shadow: 0 22px 70px rgba(29, 43, 36, 0.1);
}

.product-intro::before {
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 6px;
  content: "";
  pointer-events: none;
}

.product-intro-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.product-intro-copy h2 {
  max-width: 560px;
  margin-bottom: 16px;
  font-size: clamp(30px, 3.4vw, 48px);
}

.product-intro-copy p:not(.kicker) {
  max-width: 560px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
}

.product-intro-visual {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: clamp(8px, 1.2vw, 14px);
}

.product-intro-visual img {
  width: 100%;
  filter: drop-shadow(0 28px 30px rgba(29, 43, 36, 0.16));
}

.pet-goods-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(28px, 5vw, 66px);
  align-items: center;
}

.pet-goods-copy h2 {
  max-width: 660px;
  margin-bottom: 18px;
  font-size: clamp(30px, 3.8vw, 50px);
}

.pet-goods-copy {
  min-width: 0;
}

.pet-goods-copy p:not(.kicker) {
  color: var(--muted);
  font-size: 18px;
}

.pet-goods-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.pet-goods-tags li {
  padding: 9px 14px;
  color: var(--green-dark);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.pet-goods-visuals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.pet-goods-visuals figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #f7f8f5;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 48px rgba(29, 43, 36, 0.08);
}

.pet-goods-visuals img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.pet-goods-visuals figure:nth-child(1) img {
  object-position: 48% 50%;
}

.pet-goods-visuals figure:nth-child(2) img {
  object-position: 42% 50%;
}

.pet-goods-visuals figure:nth-child(3) img {
  object-position: 52% 50%;
}

.pet-goods-visuals figcaption {
  min-height: 66px;
  padding: 14px;
  color: #34413b;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.35;
}

.section {
  padding: clamp(76px, 10vw, 136px) 0;
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section-title {
  max-width: 830px;
  margin-bottom: 44px;
}

.section-title.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-title p:not(.kicker) {
  color: var(--muted);
  font-size: 18px;
}

.worry {
  background: rgba(255, 255, 255, 0.82);
}

.worry-grid,
.proof-grid,
.caution-grid,
.reward-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.worry-grid article,
.proof-grid article,
.caution-grid p,
.reward-grid article {
  min-height: 190px;
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(29, 43, 36, 0.06);
}

.worry-grid span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--orange);
  font-family: "Outfit", sans-serif;
  font-weight: 900;
}

.worry-grid p,
.product-copy p,
.proof-grid p,
.expert p,
.spec-layout p,
.reward-grid p,
.faq-layout p,
.note,
.site-footer p {
  color: var(--muted);
}

.product {
  background: linear-gradient(180deg, var(--soft), var(--paper));
}

.product-lifestyle-frame {
  position: relative;
  margin: 0 0 clamp(34px, 5vw, 64px);
  padding: clamp(8px, 1.2vw, 14px);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 249, 245, 0.74)),
    rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(220, 227, 221, 0.92);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(29, 43, 36, 0.12);
}

.product-lifestyle-frame::before {
  position: absolute;
  inset: clamp(8px, 1.2vw, 14px);
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 6px;
  content: "";
  pointer-events: none;
}

.product-lifestyle-frame img {
  width: 100%;
  aspect-ratio: 16 / 7;
  border-radius: 6px;
  object-fit: cover;
  object-position: center 62%;
}

.product-layout,
.spec-layout,
.expert-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(30px, 6vw, 74px);
  align-items: center;
}

.product-visual {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.product-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding: 14px 14px 14px 38px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.feature-list li::before {
  position: absolute;
  left: 15px;
  color: var(--green);
  content: "✓";
}

.research .kicker {
  color: #bcd9ca;
}

.operation {
  background: var(--paper);
}

.operation-guide {
  display: grid;
  gap: 22px;
}

.operation-guide-card {
  margin: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 18px 58px rgba(29, 43, 36, 0.08);
}

.operation-guide-card img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.detail-grid article {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 42px rgba(29, 43, 36, 0.06);
}

.led-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
}

.led {
  display: block;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px rgba(23, 28, 25, 0.08), 0 8px 18px rgba(23, 28, 25, 0.1);
}

.led.red {
  background: var(--red);
}

.led.blue {
  background: var(--blue);
}

.led.white {
  background: var(--white);
  border: 1px solid var(--line);
}

.led-row p {
  margin: 0;
  color: var(--muted);
}

.led-row strong {
  color: var(--ink);
}

.included-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.included-list li {
  position: relative;
  padding-left: 24px;
  color: #34413b;
  font-weight: 800;
}

.included-list li::before {
  position: absolute;
  left: 0;
  color: var(--orange);
  content: "•";
}

.research {
  color: var(--white);
  background: #18362c;
}

.research .section-title p:not(.kicker),
.research .note {
  color: rgba(255, 255, 255, 0.78);
}

.proof-grid article {
  min-height: 190px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.proof-grid strong {
  display: block;
  margin-bottom: 20px;
  color: var(--orange);
  font-family: "Outfit", sans-serif;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1;
}

.proof-grid h3 {
  font-size: clamp(19px, 1.4vw, 22px);
  text-wrap: balance;
}

.proof-grid p {
  color: rgba(255, 255, 255, 0.76);
  text-wrap: pretty;
}

.effect-chart {
  margin: 32px 0 0;
  padding: clamp(10px, 1.4vw, 14px);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(8, 22, 18, 0.22);
}

.effect-chart img {
  width: 100%;
  border-radius: 10px;
}

.effect-chart figcaption {
  margin-top: 14px;
  color: rgba(24, 54, 44, 0.8);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.research-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 34px;
}

.research-video-grid-single {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.research-video-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 20px 58px rgba(8, 22, 18, 0.16);
}

.video-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: rgba(8, 22, 18, 0.34);
}

.video-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.24s ease;
}

.video-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 22, 18, 0.08), rgba(8, 22, 18, 0.46));
  content: "";
}

.video-frame:hover img {
  transform: scale(1.04);
}

.video-play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  display: inline-flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  padding: 10px 22px 10px 12px;
  color: var(--white);
  background: #06c755;
  border: 3px solid rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  box-shadow: 0 18px 36px rgba(8, 22, 18, 0.34);
  font-size: 18px;
  font-weight: 900;
  text-align: center;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}

.video-play-icon {
  position: relative;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.video-play-icon::before {
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid var(--white);
  content: "";
}

.research-video-copy {
  padding: clamp(20px, 2.5vw, 28px);
}

.research-video-copy h3 {
  margin-bottom: 12px;
}

.research-video-copy p:not(.kicker) {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.timeline {
  display: grid;
  gap: 1px;
  overflow: hidden;
  margin-top: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.timeline div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 22px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.07);
}

.timeline span {
  color: #bcd9ca;
  font-family: "Outfit", sans-serif;
  font-weight: 900;
}

.timeline p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.note {
  margin: 28px 0 0;
  font-size: 13px;
}

.expert {
  background:
    radial-gradient(circle at top left, rgba(239, 155, 45, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(237, 241, 234, 0.92));
}

.expert-layout {
  grid-template-columns: minmax(280px, 0.84fr) minmax(0, 1.16fr);
  align-items: start;
}

.expert-visual {
  display: grid;
  gap: 18px;
}

.expert-photo-shell {
  position: relative;
  padding: clamp(18px, 2.2vw, 22px);
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(239, 155, 45, 0.2), transparent 26%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(237, 243, 239, 0.92));
  border: 1px solid rgba(220, 227, 221, 0.94);
  border-radius: 26px;
  box-shadow: 0 28px 80px rgba(29, 43, 36, 0.12);
}

.expert-photo-shell::before {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 20px;
  content: "";
  pointer-events: none;
}

.expert-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 1;
  padding: 9px 14px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(47, 109, 88, 0.16);
  border-radius: 999px;
  box-shadow: 0 14px 26px rgba(29, 43, 36, 0.08);
  font-family: "Outfit", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.expert-photo {
  width: 100%;
  aspect-ratio: 4 / 4.1;
  border-radius: 20px;
  object-fit: cover;
  object-position: center 18%;
  filter: saturate(0.94) contrast(1.05);
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.98), rgba(242, 244, 240, 0.9));
}

.expert-credentials {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(220, 227, 221, 0.92);
  border-radius: 18px;
}

.expert-name,
.expert-role {
  margin: 0;
}

.expert-name {
  color: var(--green-dark);
  font-size: 26px;
  font-weight: 900;
}

.expert-role {
  color: #4d5b54;
  font-weight: 800;
}

.expert-copy h2 {
  max-width: 760px;
}

.expert-quote {
  margin: 28px 0 24px;
  padding: 24px 26px;
  background: rgba(47, 109, 88, 0.06);
  border: 1px solid rgba(47, 109, 88, 0.12);
  border-radius: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.expert-quote p {
  margin: 0;
  color: var(--green-dark);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1.7;
}

.expert-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.expert-highlights article {
  min-height: 188px;
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(220, 227, 221, 0.94);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(29, 43, 36, 0.06);
}

.expert-highlights strong {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 18px;
}

.expert-highlights p,
.expert-note {
  margin: 0;
}

.expert-note {
  margin-top: 18px;
  font-size: 13px;
}

.spec {
  background: linear-gradient(180deg, var(--paper), var(--soft));
}

.spec-list {
  display: grid;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 18px 58px rgba(29, 43, 36, 0.08);
}

.spec-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  border-bottom: 1px solid var(--line);
}

.spec-list div:last-child {
  border-bottom: 0;
}

.spec-list dt,
.spec-list dd {
  margin: 0;
  padding: 17px 20px;
}

.spec-list dt {
  color: var(--green);
  background: #edf3ef;
  font-weight: 900;
}

.spec-list dd {
  font-weight: 800;
}

.caution {
  background: rgba(255, 255, 255, 0.82);
}

.caution-grid {
  grid-template-columns: repeat(3, 1fr);
}

.caution-grid p {
  min-height: 150px;
  margin: 0;
  color: #34413b;
  font-weight: 800;
}

.rewards {
  background: rgba(248, 249, 245, 0.84);
}

.reward-grid {
  grid-template-columns: repeat(4, 1fr);
}

.reward-grid article {
  min-height: 220px;
  padding: 24px;
  position: relative;
  background: var(--white);
}

.reward-grid .featured {
  border-color: rgba(239, 155, 45, 0.56);
  box-shadow: 0 22px 70px rgba(239, 155, 45, 0.16);
  transform: translateY(-10px);
}

.reward-label {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 6px 12px;
  color: var(--white) !important;
  background: var(--orange);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.reward-grid strong {
  display: block;
  margin: 18px 0;
  color: var(--green-dark);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.35;
}

.faq {
  background: rgba(255, 255, 255, 0.84);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(30px, 6vw, 74px);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(29, 43, 36, 0.05);
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--ink);
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 22px 22px;
}

.support {
  padding: clamp(86px, 11vw, 148px) 0;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 18%, rgba(239, 155, 45, 0.22), transparent 28%),
    linear-gradient(120deg, rgba(16, 45, 36, 0.98), rgba(47, 109, 88, 0.94));
}

.support-inner {
  max-width: 840px;
}

.support .kicker {
  color: #bcd9ca;
}

.support p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.site-footer {
  padding: 34px 0;
  color: var(--white);
  background: #101916;
}

.footer-layout {
  display: grid;
  grid-template-columns: 0.46fr 1fr;
  gap: 32px;
  align-items: center;
}

.footer-brand .brand-logo {
  filter: brightness(0) invert(1);
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

@media (max-width: 960px) {
  .site-header {
    position: sticky;
    padding: 14px 20px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: clamp(32px, 6vw, 56px) 0 0;
  }

  .hero-image {
    width: 100%;
    height: auto;
    min-height: 0;
    object-fit: contain;
  }

  .hero-empathy,
  .hero-empathy-photos {
    grid-template-columns: 1fr;
  }

  .hero-empathy {
    gap: 24px;
    padding-bottom: 34px;
  }

  .hero-empathy-copy {
    text-align: center;
  }

  .hero-empathy-copy h1,
  .hero-empathy-copy p:not(.kicker) {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-empathy-copy h1 {
    max-width: 640px;
    font-size: clamp(31px, 7vw, 48px);
  }

  .hero-empathy-photos {
    gap: 12px;
  }

  .hero-empathy-photos figure:nth-child(2) {
    transform: none;
  }

  .hero-empathy-photos img {
    aspect-ratio: 16 / 9;
  }

  .snapshot-grid,
  .worry-grid,
  .proof-grid,
  .reward-grid,
  .product-intro,
  .pet-goods-layout,
  .product-layout,
  .spec-layout,
  .expert-layout,
  .faq-layout,
  .footer-layout,
  .caution-grid,
  .detail-grid,
  .line-cta-inner,
  .video-proof-layout,
  .research-video-grid {
    grid-template-columns: 1fr;
  }

  .line-cta-inner {
    align-items: stretch;
  }

  .worry-grid,
  .proof-grid,
  .reward-grid,
  .caution-grid {
    gap: 14px;
  }

  .worry-grid article,
  .proof-grid article,
  .reward-grid article,
  .caution-grid p {
    min-height: auto;
  }

  .reward-grid .featured {
    transform: none;
  }

  .pet-goods-visuals {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-intro {
    padding: 28px 22px;
  }

  .snapshot {
    margin-top: 0;
    padding-top: 18px;
  }

  .product-intro-visual {
    order: -1;
  }

  .expert-highlights {
    grid-template-columns: 1fr;
  }

  .expert-highlights article {
    min-height: auto;
  }

  .expert-photo {
    aspect-ratio: 1 / 1.05;
  }

  .expert-copy h2 {
    max-width: none;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: 74px;
  }

  .hero-empathy-copy h1 {
    font-size: 29px;
  }

  .hero-empathy-copy p:not(.kicker) {
    width: 100%;
    max-width: 330px;
    font-size: 15px;
    line-height: 1.8;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .video-play-badge {
    min-height: 52px;
    padding: 8px 18px 8px 10px;
    font-size: 15px;
  }

  .video-play-icon {
    width: 34px;
    height: 34px;
  }

  .video-play-icon::before {
    border-top-width: 8px;
    border-bottom-width: 8px;
    border-left-width: 12px;
  }

  .line-cta-inner {
    padding: 24px;
  }

  .line-cta-inner p:not(.kicker) {
    font-size: 15px;
    line-height: 1.75;
  }

  .floating-line-button {
    min-height: 64px;
    padding: 10px 20px;
  }

  .floating-line-button span {
    min-width: min(320px, calc(100vw - 40px));
    min-height: 48px;
    padding: 12px 22px;
    font-size: 17px;
  }

  .snapshot-grid article {
    padding: 16px 18px;
  }

  .snapshot-grid strong {
    font-size: 18px;
  }

  .support-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .pet-goods-visuals {
    grid-template-columns: 1fr;
  }

  .product-intro-copy h2 {
    max-width: 310px;
    font-size: 27px;
    word-break: normal;
  }

  .product-intro-copy p:not(.kicker) {
    max-width: 280px;
    font-size: 16px;
    word-break: normal;
  }

  .video-proof-copy,
  .product-intro-copy,
  .product-copy,
  .pet-goods-copy {
    text-align: center;
  }

  .video-proof-copy h2,
  .video-proof-copy p:not(.kicker),
  .product-intro-copy h2,
  .product-intro-copy p:not(.kicker),
  .product-copy h2,
  .product-copy p:not(.kicker),
  .pet-goods-copy h2,
  .pet-goods-copy p:not(.kicker) {
    margin-right: auto;
    margin-left: auto;
  }

  .pet-goods-tags {
    justify-content: center;
  }

  .research .section-title h2 {
    max-width: 340px;
    margin-right: auto;
    margin-left: auto;
    font-size: 34px;
    line-height: 1.34;
  }

  .research .section-title p:not(.kicker) {
    max-width: 320px;
    margin-right: auto;
    margin-left: auto;
    font-size: 18px;
    line-height: 1.75;
  }

  .proof-grid article {
    padding: 24px;
  }

  .proof-grid strong {
    margin-bottom: 18px;
    font-size: 52px;
  }

  .proof-grid h3 {
    font-size: 20px;
  }

  .proof-grid p {
    font-size: 16px;
    line-height: 1.85;
  }

  .caution .section-title {
    text-align: center;
  }

  .caution .section-title h2 {
    max-width: 320px;
    margin-right: auto;
    margin-left: auto;
    font-size: 34px;
    line-height: 1.3;
  }

  .spec-layout h2 {
    max-width: 340px;
    font-size: 34px;
    line-height: 1.3;
  }

  .product-intro-visual {
    padding: 0;
  }

  .pet-goods-copy h2,
  .pet-goods-copy p {
    max-width: 330px;
    word-break: normal;
  }

  .pet-goods-copy h2 {
    font-size: 28px;
  }

  .pet-goods-visuals img {
    aspect-ratio: 16 / 9;
  }

  .product-lifestyle-frame img {
    aspect-ratio: 4 / 3;
    object-position: 41% 65%;
  }

  .pet-goods-visuals figcaption {
    min-height: auto;
  }

  .timeline div,
  .spec-list div {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 46px;
  }

  h2 {
    font-size: 30px;
  }

}