:root {
  --md-sys-color-primary: #7B6651;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #EDD9C6;
  --md-sys-color-on-primary-container: #2C1800;
  --md-sys-color-secondary: #7A7060;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #E4D8C7;
  --md-sys-color-on-secondary-container: #261A0D;
  --md-sys-color-tertiary: #8A7D6E;
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: #E8DDD0;
  --md-sys-color-on-tertiary-container: #221712;
  --md-sys-color-surface: #FAF7F3;
  --md-sys-color-on-surface: #1E1B18;
  --md-sys-color-surface-variant: #E5DDD4;
  --md-sys-color-on-surface-variant: #4A433B;
  --md-sys-color-surface-container-lowest: #FFFFFF;
  --md-sys-color-surface-container-low: #F4F0EB;
  --md-sys-color-surface-container: #EEEAE4;
  --md-sys-color-surface-container-high: #E8E4DE;
  --md-sys-color-surface-container-highest:#E3DED8;
  --md-sys-color-inverse-surface: #342F2B;
  --md-sys-color-inverse-on-surface: #F4EFE8;
  --md-sys-color-inverse-primary: #D9B89A;
  --md-sys-color-outline: #7A7168;
  --md-sys-color-outline-variant: #CEC5BB;
  --md-sys-shape-corner-extra-small: 4px;
  --md-sys-shape-corner-small: 8px;
  --md-sys-shape-corner-medium: 12px;
  --md-sys-shape-corner-large: 16px;
  --md-sys-shape-corner-extra-large: 28px;
  --md-sys-shape-corner-full: 9999px;
  --md-sys-elevation-level0: none;
  --md-sys-elevation-level1: 0px 1px 2px rgba(0,0,0,.10), 0px 1px 3px 1px rgba(0,0,0,.07);
  --md-sys-elevation-level2: 0px 1px 2px rgba(0,0,0,.10), 0px 2px 6px 2px rgba(0,0,0,.07);
  --md-sys-elevation-level3: 0px 1px 3px rgba(0,0,0,.10), 0px 4px 8px 3px rgba(0,0,0,.07);
  --md-state-hover-opacity: 0.08;
  --md-state-pressed-opacity: 0.12;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Roboto", "Noto Sans JP", sans-serif;
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

em {
  font-style: normal;
}

a {
  text-decoration: none;
}

.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}

.section-overline {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--md-sys-color-primary);
  margin-bottom: 8px;
}

.section-heading {
  font-size: 28px;
  line-height: 36px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  max-width: 960px;
  margin: 0 auto;
}

.top-app-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--md-sys-color-surface);
  display: flex;
  align-items: center;
  padding: 0 24px;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
.top-app-bar.scrolled {
  background: var(--md-sys-color-surface-container);
  box-shadow: var(--md-sys-elevation-level2);
}
.top-app-bar__content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-app-bar__right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  font-size: 22px;
  line-height: 28px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  user-select: none;
}
.logo__dot {
  color: var(--md-sys-color-primary);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  position: relative;
  overflow: hidden;
  transition: background 0.2s;
}
.nav-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-primary);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.nav-link:hover::after {
  opacity: var(--md-state-hover-opacity);
}

.assist-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 16px 0 8px;
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-outline);
  background: transparent;
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: default;
}
.assist-chip .material-symbols-outlined {
  font-size: 18px;
  color: var(--md-sys-color-primary);
}

.btn-filled {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  box-shadow: var(--md-sys-elevation-level1);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.btn-filled::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-on-primary);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.btn-filled:hover {
  box-shadow: var(--md-sys-elevation-level2);
}
.btn-filled:hover::after {
  opacity: var(--md-state-hover-opacity);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  position: relative;
  overflow: hidden;
}
.btn-text .material-symbols-outlined {
  font-size: 18px;
}
.btn-text::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-primary);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.btn-text:hover::after {
  opacity: var(--md-state-hover-opacity);
}

.hero {
  padding: 88px 24px 80px;
  text-align: center;
}
.hero__inner {
  max-width: 720px;
  margin: 0 auto;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 16px 0 8px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  margin-bottom: 32px;
}
.hero__eyebrow .material-symbols-outlined {
  font-size: 18px;
}
.hero__heading {
  font-size: clamp(36px, 6.5vw, 57px);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: -0.25px;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 24px;
}
.hero__heading .accent {
  color: var(--md-sys-color-primary);
}
.hero__body {
  font-size: 16px;
  line-height: 26px;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 500px;
  margin: 0 auto 40px;
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.features {
  max-width: 1008px;
  margin: 0 auto;
  padding: 64px 24px 80px;
  scroll-margin-top: 64px;
}
.features__header {
  margin-bottom: 32px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-medium);
  box-shadow: var(--md-sys-elevation-level1);
  padding: 24px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease, box-shadow 0.2s ease;
}
.card.visible {
  opacity: 1;
  transform: translateY(0);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.card:hover {
  box-shadow: var(--md-sys-elevation-level2);
}
.card:hover::after {
  opacity: var(--md-state-hover-opacity);
}
.card:nth-child(1) {
  transition-delay: 0s;
}
.card:nth-child(2) {
  transition-delay: 0.08s;
}
.card:nth-child(3) {
  transition-delay: 0.16s;
}
.card:nth-child(4) {
  transition-delay: 0s;
}
.card:nth-child(5) {
  transition-delay: 0.08s;
}
.card:nth-child(6) {
  transition-delay: 0.16s;
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.card__icon .material-symbols-outlined {
  font-size: 24px;
  color: var(--md-sys-color-on-secondary-container);
}
.card__chip {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.card h3 {
  font-size: 16px;
  line-height: 24px;
  font-weight: 500;
  letter-spacing: 0.15px;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 8px;
}
.card p {
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  letter-spacing: 0.25px;
  color: var(--md-sys-color-on-surface-variant);
}

.plans {
  max-width: 1008px;
  margin: 0 auto;
  padding: 0 24px 80px;
  scroll-margin-top: 64px;
}
.plans__header {
  margin-bottom: 8px;
}
.plans__subtext {
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  letter-spacing: 0.25px;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 8px;
  margin-bottom: 40px;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 400px));
  gap: 16px;
  justify-content: center;
}

.plan-card {
  background: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--md-sys-elevation-level1);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease, box-shadow 0.2s ease;
}
.plan-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.plan-card:nth-child(1) {
  transition-delay: 0s;
}
.plan-card:nth-child(2) {
  transition-delay: 0.08s;
}
.plan-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.plan-card:hover {
  box-shadow: var(--md-sys-elevation-level2);
}
.plan-card:hover::after {
  opacity: var(--md-state-hover-opacity);
}
.plan-card--recommended {
  background: var(--md-sys-color-primary-container);
  box-shadow: var(--md-sys-elevation-level2);
}
.plan-card--recommended .plan-price__period {
  font-size: 14px;
  font-weight: 600;
  color: var(--md-sys-color-primary);
  letter-spacing: 0.1px;
}

.plan-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.plan-paid-label {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 22px;
  line-height: 28px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 8px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 20px;
}
.plan-price__amount {
  font-size: 32px;
  line-height: 40px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
}
.plan-price__period {
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
  letter-spacing: 0.4px;
  color: var(--md-sys-color-on-surface-variant);
}

.plan-divider {
  border: none;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}
.plan-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  letter-spacing: 0.25px;
  color: var(--md-sys-color-on-surface-variant);
}
.plan-features .material-symbols-outlined {
  font-size: 16px;
  color: var(--md-sys-color-secondary);
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 20;
  flex-shrink: 0;
}

.plan-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border-radius: var(--md-sys-shape-corner-full);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  text-decoration: none;
  border: none;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.plan-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.plan-cta:hover::after {
  opacity: 0.08;
}
.plan-cta--outlined {
  border: 1px solid var(--md-sys-color-outline);
  background: transparent;
  color: var(--md-sys-color-primary);
}
.plan-cta--outlined::after {
  background: var(--md-sys-color-primary);
}
.plan-cta--filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-sys-elevation-level1);
}
.plan-cta--filled::after {
  background: var(--md-sys-color-on-primary);
}
.plan-cta--filled:hover {
  box-shadow: var(--md-sys-elevation-level2);
}

.concept {
  background: var(--md-sys-color-surface-container-low);
  padding: 64px 24px;
}
.concept__inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.concept__copy .section-overline {
  margin-bottom: 12px;
}
.concept__copy h2 {
  font-size: 28px;
  line-height: 36px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 20px;
}
.concept__copy p {
  font-size: 14px;
  line-height: 22px;
  font-weight: 400;
  letter-spacing: 0.25px;
  color: var(--md-sys-color-on-surface-variant);
}
.concept__visual-card {
  background: var(--md-sys-color-surface-container-lowest);
  border-radius: var(--md-sys-shape-corner-large);
  box-shadow: var(--md-sys-elevation-level2);
  overflow: hidden;
}

.mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-primary-container);
}

.mock-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--md-sys-color-on-primary-container);
}

.mock-points {
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: var(--md-sys-color-on-primary-container);
}
.mock-points .material-symbols-outlined {
  font-size: 16px;
  color: var(--md-sys-color-primary);
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 20;
  align-self: center;
}
.mock-points__value {
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
}
.mock-points__unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--md-sys-color-on-surface-variant);
}

.mock-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  min-height: 52px;
  opacity: 0;
  transform: translateX(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.mock-list-item.visible {
  opacity: 1;
  transform: translateX(0);
}
.mock-list-item:nth-child(2) {
  transition-delay: 0s;
}
.mock-list-item:nth-child(3) {
  transition-delay: 0.08s;
}
.mock-list-item:nth-child(4) {
  transition-delay: 0.16s;
}
.mock-list-item:nth-child(5) {
  transition-delay: 0.24s;
}
.mock-list-item + .mock-list-item {
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.mock-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 2px;
  border: 2px solid var(--md-sys-color-outline);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
}
.mock-checkbox.checked {
  background: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
}
.mock-checkbox.checked .material-symbols-outlined {
  font-size: 13px;
  color: var(--md-sys-color-on-primary);
  font-variation-settings: "FILL" 1, "wght" 700, "GRAD" 0, "opsz" 20;
}

.mock-task-label {
  flex: 1;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.25px;
  color: var(--md-sys-color-on-surface);
}
.mock-task-label.done {
  text-decoration: line-through;
  color: var(--md-sys-color-on-surface-variant);
}

.mock-point-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.mock-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--md-sys-color-surface-container);
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
.mock-footer__label {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  letter-spacing: 0.4px;
}
.mock-footer__value {
  font-size: 13px;
  font-weight: 500;
  color: var(--md-sys-color-primary);
}

footer {
  padding: 32px 24px;
  text-align: center;
  background: var(--md-sys-color-surface);
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
footer p {
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
  letter-spacing: 0.4px;
  color: var(--md-sys-color-on-surface-variant);
}

.footer-links {
  margin-top: 8px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--md-sys-color-primary);
}

.lang-selector {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 40px;
  padding: 0 12px 0 8px;
  border-radius: var(--md-sys-shape-corner-full);
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.lang-btn .material-symbols-outlined {
  font-size: 20px;
}
.lang-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.lang-btn:hover::after {
  opacity: var(--md-state-hover-opacity);
}
.lang-btn.open .lang-arrow {
  transform: rotate(180deg);
}

.lang-arrow {
  font-size: 20px !important;
  transition: transform 0.2s ease;
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--md-sys-color-surface-container);
  border-radius: var(--md-sys-shape-corner-extra-small);
  box-shadow: var(--md-sys-elevation-level3);
  min-width: 128px;
  overflow: hidden;
  display: none;
  z-index: 200;
  padding: 8px 0;
}
.lang-menu.open {
  display: block;
}

.lang-menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  height: 48px;
  padding: 0 12px;
  border: none;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.25px;
  text-align: left;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.lang-menu-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.lang-menu-item:hover::after {
  opacity: var(--md-state-hover-opacity);
}
.lang-menu-item.active {
  color: var(--md-sys-color-primary);
  font-weight: 500;
}
.lang-menu-item.active::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-primary);
  opacity: 0.08;
  pointer-events: none;
}

@media (max-width: 768px) {
  .top-app-bar {
    padding: 0 16px;
  }
  .assist-chip {
    display: none;
  }
  .hero {
    padding: 64px 16px 56px;
  }
  .features {
    padding: 48px 16px 64px;
  }
  .features__grid {
    grid-template-columns: 1fr 1fr;
  }
  .plans {
    padding: 0 16px 64px;
  }
  .plan-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .concept {
    padding: 48px 16px;
  }
  .concept__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 520px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
  .hero__body br {
    display: none;
  }
}