/* 日本語を文節の切れ目で改行する。Chrome以外では無視されるだけなので安全 */
body { word-break: auto-phrase; }

:root {
  --ink: #263531;
  --ink-soft: #53615d;
  --cream: #f5f1e9;
  --paper: #fffdf8;
  --sage: #7f968e;
  --sage-dark: #405d55;
  --sage-pale: #dce7e2;
  --sand: #dfcfb7;
  --line: rgba(38, 53, 49, 0.15);
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(46, 65, 59, 0.13);
  --radius-large: 32px;
  --radius-medium: 20px;
  --container: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

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

button {
  color: inherit;
  font: inherit;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 120px 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--sage-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-weight: 600;
  letter-spacing: 0.03em;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(42px, 4.2vw, 60px);
  line-height: 1.3;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.42;
}

h3 {
  line-height: 1.55;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  border-bottom: 1px solid transparent;
  background: rgba(255, 253, 248, 0.82);
  backdrop-filter: blur(18px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(38, 53, 49, 0.06);
}

.header-inner {
  display: flex;
  width: min(calc(100% - 48px), 1280px);
  min-height: 84px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: block;
  width: 188px;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav > a:not(.button) {
  position: relative;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: var(--sage-dark);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
}

.button {
  display: inline-flex;
  min-height: 58px;
  padding: 14px 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.button:hover,
.button:focus-visible {
  background: var(--sage-dark);
  transform: translateY(-2px);
}

.button svg {
  width: 20px;
  height: 20px;
  transition: transform 0.25s ease;
}

.button:hover svg,
.button:focus-visible svg {
  transform: translateX(4px);
}

.button-small {
  min-height: 46px;
  padding: 10px 19px;
  font-size: 12px;
}

.hero {
  position: relative;
  min-height: 820px;
  padding: 164px 0 100px;
  overflow: hidden;
  background: var(--cream);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(370px, 0.78fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
}

.hero-copy {
  min-width: 0;
  padding-top: 18px;
}

.hero-lead {
  max-width: 610px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
}

.text-link {
  border-bottom: 1px solid currentColor;
  color: var(--sage-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero-points {
  display: flex;
  margin: 34px 0 0;
  padding: 0;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 10px 24px;
  list-style: none;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
}

.hero-points svg {
  width: 15px;
  height: 15px;
  color: var(--sage-dark);
  stroke-width: 2.5;
}

.hero-visual {
  position: relative;
  display: grid;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 1;
  isolation: isolate;
  justify-self: end;
  place-items: center;
}

.hero-visual::before {
  position: absolute;
  z-index: -2;
  inset: 5%;
  border: 1px solid rgba(64, 93, 85, 0.45);
  border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, rgba(255, 255, 255, 0.95), rgba(220, 231, 226, 0.72) 55%, rgba(223, 207, 183, 0.35));
  content: "";
}

.product-halo {
  position: absolute;
  z-index: -1;
  width: 64%;
  height: 64%;
  border: 1px solid rgba(64, 93, 85, 0.2);
  border-radius: 50%;
  transform: rotate(-16deg);
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: 112%;
  height: auto;
  filter: drop-shadow(0 28px 32px rgba(38, 53, 49, 0.24));
  object-fit: contain;
}

.hero-note {
  position: absolute;
  right: -30px;
  bottom: 34px;
  z-index: 3;
  width: 220px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.91);
  box-shadow: 0 18px 50px rgba(38, 53, 49, 0.15);
  backdrop-filter: blur(14px);
}

.hero-note span,
.hero-note strong,
.hero-note small {
  display: block;
}

.hero-note span {
  margin-bottom: 6px;
  color: var(--sage-dark);
  font-family: Georgia, serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.hero-note strong {
  margin-bottom: 4px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 18px;
}

.hero-note small {
  color: var(--ink-soft);
  font-size: 11px;
}

.soft-orb {
  position: absolute;
  border-radius: 50%;
  background: rgba(127, 150, 142, 0.12);
  filter: blur(2px);
}

.soft-orb-one {
  top: 130px;
  right: 34%;
  width: 170px;
  height: 170px;
}

.soft-orb-two {
  right: -180px;
  bottom: -260px;
  width: 620px;
  height: 620px;
  background: rgba(223, 207, 183, 0.28);
}

.section-heading {
  max-width: 790px;
  margin-bottom: 58px;
}

.section-heading > p:last-child,
.section-intro,
.faq-heading > p:last-child {
  color: var(--ink-soft);
}

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

.centered > p:last-child {
  max-width: 650px;
  margin-right: auto;
  margin-bottom: 0;
  margin-left: auto;
}

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

.concern-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.concern-card {
  position: relative;
  min-height: 350px;
  padding: 38px 34px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-medium);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.concern-card:hover {
  border-color: rgba(64, 93, 85, 0.35);
  box-shadow: 0 18px 45px rgba(38, 53, 49, 0.08);
  transform: translateY(-5px);
}

.concern-card::after {
  position: absolute;
  right: -45px;
  bottom: -70px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--sage-pale);
  content: "";
  opacity: 0.5;
}

.icon-wrap {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 48px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--sage-dark);
  place-items: center;
}

.icon-wrap svg {
  width: 26px;
  height: 26px;
}

.card-number {
  position: absolute;
  top: 32px;
  right: 30px;
  color: var(--sage);
  font-family: Georgia, serif;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.concern-card h3 {
  margin-bottom: 14px;
  font-size: 20px;
}

.concern-card > p:last-child {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.bridge-copy {
  margin: 70px 0 0;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: clamp(24px, 3.1vw, 38px);
  line-height: 1.7;
  text-align: center;
}

.features {
  background: #e8efec;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(60px, 9vw, 120px);
}

.mode-demo {
  position: relative;
  min-height: 590px;
  padding: 32px;
  border: 1px solid rgba(64, 93, 85, 0.13);
  border-radius: var(--radius-large);
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.demo-head p,
.demo-head span {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.mode-switch {
  display: grid;
  margin-top: 28px;
  padding: 5px;
  border-radius: 999px;
  background: var(--cream);
  grid-template-columns: 1fr 1fr;
}

.mode-switch button {
  min-height: 46px;
  padding: 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.mode-switch button.is-active {
  background: var(--sage-dark);
  box-shadow: 0 7px 20px rgba(64, 93, 85, 0.22);
  color: var(--white);
}

.mode-switch button:focus-visible,
.faq-item button:focus-visible,
.menu-button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(64, 93, 85, 0.42);
  outline-offset: 4px;
}

.mode-product-stage {
  position: relative;
  display: grid;
  width: 310px;
  height: 310px;
  margin: 36px auto 18px;
  place-items: center;
}

.mode-product-stage::before {
  position: absolute;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 231, 226, 0.95), rgba(220, 231, 226, 0.15) 68%, transparent 70%);
  content: "";
}

.mode-product-stage img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  max-width: 285px;
  max-height: 285px;
  filter: drop-shadow(0 20px 24px rgba(38, 53, 49, 0.2));
  object-fit: contain;
  transition: transform 0.45s ease;
}

.mode-ring {
  position: absolute;
  border: 1px solid rgba(64, 93, 85, 0.22);
  border-radius: 50%;
  transition: width 0.45s ease, height 0.45s ease, opacity 0.45s ease;
}

.mode-ring-one {
  width: 250px;
  height: 250px;
}

.mode-ring-two {
  width: 300px;
  height: 300px;
}

.mode-demo[data-selected-mode="focus"] .mode-product-stage img {
  transform: scale(0.93) rotate(-4deg);
}

.mode-demo[data-selected-mode="focus"] .mode-ring-one {
  width: 220px;
  height: 220px;
}

.mode-demo[data-selected-mode="focus"] .mode-ring-two {
  width: 260px;
  height: 260px;
  opacity: 0.45;
}

.mode-label {
  margin-bottom: 4px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
}

.mode-demo > small {
  display: block;
  color: var(--ink-soft);
  font-size: 10px;
  text-align: center;
}

.feature-copy h2 {
  margin-bottom: 24px;
}

.section-intro {
  margin-bottom: 42px;
}

.feature-list article {
  display: grid;
  padding: 22px 0;
  border-top: 1px solid rgba(38, 53, 49, 0.17);
  grid-template-columns: 48px 1fr;
  gap: 16px;
}

.feature-list article:last-child {
  border-bottom: 1px solid rgba(38, 53, 49, 0.17);
}

.feature-index {
  padding-top: 2px;
  color: var(--sage-dark);
  font-family: Georgia, serif;
  font-size: 12px;
}

.feature-list h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.feature-list p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

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

.split-heading {
  display: grid;
  max-width: none;
  align-items: end;
  grid-template-columns: 1.15fr 0.65fr;
  gap: 100px;
}

.split-heading h2,
.split-heading p {
  margin-bottom: 0;
}

.product-gallery {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr 0.9fr;
  gap: 22px;
}

.product-shot,
.scene-use-panel {
  position: relative;
  min-height: 500px;
  margin: 0;
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.product-shot {
  display: grid;
  background: linear-gradient(145deg, #eef2f0, #ddd9d0);
  place-items: center;
}

.product-shot img {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 24px rgba(38, 53, 49, 0.18));
  object-fit: contain;
  transition: transform 0.6s ease;
}

.product-shot-detail img {
  width: 135%;
  max-width: none;
  object-fit: cover;
  object-position: center;
}

.product-shot-single img {
  width: 112%;
  height: auto;
}

.product-shot:hover img {
  transform: scale(1.035);
}

.product-shot figcaption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 14px;
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(12px);
}

.product-shot figcaption span,
.product-shot figcaption strong {
  display: block;
}

.product-shot figcaption span {
  margin-bottom: 3px;
  color: var(--sage-dark);
  font-family: Georgia, serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.product-shot figcaption strong {
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: 17px;
}

.scene-use-panel {
  padding: 36px 30px;
  background: var(--sage-dark);
  color: var(--white);
}

.scene-use-panel .eyebrow {
  color: var(--sage-pale);
}

.scene-use-panel h3 {
  margin-bottom: 28px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: clamp(25px, 2.4vw, 34px);
  font-weight: 600;
  line-height: 1.55;
}

.scene-use-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.scene-use-panel li {
  display: grid;
  padding: 17px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  align-items: center;
  grid-template-columns: 36px 1fr;
  gap: 14px;
}

.scene-use-panel li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.scene-use-panel li svg {
  width: 24px;
  height: 24px;
  color: var(--sage-pale);
}

.scene-use-panel li strong,
.scene-use-panel li small {
  display: block;
}

.scene-use-panel li strong {
  margin-bottom: 2px;
  font-size: 14px;
}

.scene-use-panel li small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
}

.voice-panel {
  position: relative;
  display: grid;
  width: min(900px, 94%);
  margin: 90px auto 0;
  padding: 52px 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.voice-panel::before {
  position: absolute;
  top: 8px;
  left: 22px;
  color: var(--sage-pale);
  content: "“";
  font-family: Georgia, serif;
  font-size: 110px;
  line-height: 1;
}

.voice-label {
  margin-bottom: 12px;
  color: var(--sage-dark);
  font-family: Georgia, serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.voice-panel p {
  position: relative;
  z-index: 1;
  margin-bottom: 10px;
  font-family: "Yu Mincho", "YuMincho", serif;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.8;
}

.voice-panel small {
  color: var(--ink-soft);
  font-size: 11px;
}

.faq-cta {
  padding-bottom: 70px;
  background: var(--cream);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 9vw, 120px);
}

.faq-heading {
  position: sticky;
  top: 120px;
  align-self: start;
}

.faq-heading h2 {
  font-size: clamp(34px, 4vw, 50px);
}

.faq-item {
  border-top: 1px solid rgba(38, 53, 49, 0.2);
}

.faq-item:last-child {
  border-bottom: 1px solid rgba(38, 53, 49, 0.2);
}

.faq-item h3 {
  margin: 0;
}

.faq-item button {
  display: flex;
  width: 100%;
  min-height: 86px;
  padding: 22px 6px;
  border: 0;
  background: transparent;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  text-align: left;
}

.faq-item button span {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  font-weight: 700;
}

.faq-item button b {
  color: var(--sage-dark);
  font-family: Georgia, serif;
  font-size: 18px;
}

.faq-item button i {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.faq-item button i::before,
.faq-item button i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.faq-item button i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item button[aria-expanded="true"] i::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-answer p {
  min-height: 0;
  margin: 0;
  padding: 0 52px 0 42px;
  color: var(--ink-soft);
  overflow: hidden;
  font-size: 14px;
  transition: padding 0.3s ease;
}

.faq-item:has(button[aria-expanded="true"]) .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item:has(button[aria-expanded="true"]) .faq-answer p {
  padding-bottom: 27px;
}

.purchase-panel {
  display: grid;
  margin-top: 110px;
  padding: clamp(44px, 7vw, 84px);
  border-radius: var(--radius-large);
  background: var(--sage-dark);
  color: var(--white);
  align-items: center;
  grid-template-columns: 1fr auto;
  gap: 60px;
  overflow: hidden;
}

.purchase-panel .eyebrow {
  color: var(--sage-pale);
}

.purchase-panel h2 {
  margin-bottom: 16px;
}

.purchase-panel p:last-child {
  max-width: 610px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.purchase-action {
  display: grid;
  min-width: 260px;
  gap: 11px;
  text-align: center;
}

.button-light {
  border-color: var(--white);
  background: var(--white);
  color: var(--ink);
}

.button-light:hover,
.button-light:focus-visible {
  border-color: var(--sand);
  background: var(--sand);
  color: var(--ink);
}

.purchase-action small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
}

.medical-note {
  max-width: 790px;
  margin: 25px auto 0;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: center;
}

.site-footer {
  padding: 46px 0;
  background: var(--cream);
}

.footer-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
}

.brand-footer {
  width: 190px;
  justify-self: start;
}

.footer-inner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.footer-inner > small {
  justify-self: end;
  color: var(--ink-soft);
  font-family: Georgia, serif;
  font-size: 10px;
}

@media (max-width: 1000px) {
  .site-nav {
    gap: 18px;
  }

  .site-nav > a:not(.button) {
    display: none;
  }

  .hero-grid {
    gap: 48px;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  }

  .hero-note {
    right: -10px;
  }

  .feature-grid {
    gap: 55px;
  }

  .split-heading {
    gap: 50px;
  }

  .product-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .scene-use-panel {
    min-height: auto;
    grid-column: 1 / -1;
  }

  .purchase-panel {
    grid-template-columns: 1fr;
  }

  .purchase-action {
    width: min(100%, 330px);
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 76px;
  }

  .container,
  .header-inner {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 82px 0;
  }

  .header-inner {
    min-height: 72px;
  }

  .brand {
    width: 158px;
  }

  .menu-button {
    display: grid;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 0;
    border-radius: 50%;
    background: var(--cream);
    cursor: pointer;
    place-items: center;
  }

  .menu-button svg {
    width: 23px;
    height: 23px;
  }

  .menu-close {
    display: none;
  }

  .menu-button[aria-expanded="true"] .menu-open {
    display: none;
  }

  .menu-button[aria-expanded="true"] .menu-close {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    padding: 38px 24px;
    background: var(--paper);
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav > a:not(.button) {
    display: block;
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

  .site-nav .button {
    margin-top: 28px;
  }

  .hero {
    min-height: auto;
    padding: 122px 0 74px;
  }

  .hero-grid,
  .feature-grid,
  .split-heading,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 58px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    width: calc(100% - 14px);
    max-width: 480px;
    justify-self: start;
  }

  .hero-visual img {
    height: auto;
  }

  .hero-note {
    right: -14px;
    bottom: 26px;
    width: 205px;
  }

  .soft-orb-one {
    display: none;
  }

  .section-heading {
    margin-bottom: 42px;
  }

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

  .concern-card {
    min-height: 0;
  }

  .bridge-copy {
    margin-top: 48px;
  }

  .feature-grid {
    gap: 58px;
  }

  .mode-demo {
    min-height: 540px;
    padding: 24px 20px;
  }

  .mode-product-stage {
    width: 270px;
    height: 270px;
    margin-top: 38px;
  }

  .mode-ring-two {
    width: 260px;
    height: 260px;
  }

  .split-heading {
    align-items: start;
    gap: 12px;
  }

  .product-gallery {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .product-shot,
  .scene-use-panel {
    min-height: 390px;
  }

  .scene-use-panel {
    min-height: auto;
    grid-column: auto;
  }

  .voice-panel {
    width: 100%;
    margin-top: 65px;
    padding: 44px 22px;
  }

  .voice-panel::before {
    left: 0;
  }

  .faq-grid {
    gap: 36px;
  }

  .faq-heading {
    position: static;
  }

  .faq-answer p {
    padding-right: 6px;
    padding-left: 6px;
  }

  .purchase-panel {
    margin-top: 72px;
    padding: 40px 26px;
    gap: 32px;
  }

  .purchase-action {
    width: 100%;
    min-width: 0;
  }

  .footer-inner {
    justify-items: center;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .brand-footer,
  .footer-inner > small {
    justify-self: center;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-visual img {
    height: 460px;
  }

  .hero-note {
    width: 188px;
    padding: 18px;
  }

  .hero-points {
    display: grid;
  }

  .demo-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .mode-switch button {
    font-size: 12px;
  }

  .mode-product-stage {
    width: 244px;
    height: 244px;
  }

  .mode-product-stage::before {
    width: 190px;
    height: 190px;
  }

  .mode-ring-two {
    width: 236px;
    height: 236px;
  }
}

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

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