:root {
  --blue: #0066ff;
  --blue-deep: #004bd6;
  --blue-soft: #eaf4ff;
  --ink: #071733;
  --ink-muted: #42526e;
  --line: #dce6f4;
  --surface: #ffffff;
  --surface-soft: #f5f9ff;
  --red: #ff4c48;
  --green: #22b573;
  --yellow: #ffd252;
  --pink: #ffdfe3;
  --shadow: 0 22px 60px rgba(18, 57, 114, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}

section {
  scroll-margin-top: 110px;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(18px, 2.6vw, 36px);
  min-height: 84px;
  padding: 0 max(32px, calc((100vw - 1360px) / 2));
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(7, 23, 51, 0.08);
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 34px rgba(7, 23, 51, 0.12);
}

.logo,
.site-nav {
  display: flex;
  align-items: center;
}

.logo {
  gap: 14px;
  color: var(--blue);
  font-weight: 900;
}

.logo-text {
  font-size: clamp(1.25rem, 2.1vw, 2rem);
  letter-spacing: 0.01em;
  line-height: 1;
}

.logo-mark {
  display: block;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(0, 102, 255, 0.16);
}

.site-nav {
  justify-content: flex-end;
  gap: clamp(26px, 4vw, 58px);
  font-size: 1rem;
  font-weight: 800;
}

.site-nav a {
  color: #0d1930;
}

.site-nav a:hover {
  color: var(--blue);
}

.header-login-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(0, 102, 255, 0.28);
  border-radius: 8px;
  color: var(--surface);
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(0, 102, 255, 0.2);
  font-size: 0.98rem;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  transition: transform 160ms ease, background 160ms ease;
}

.header-login-button:hover,
.header-login-button:focus-visible {
  color: var(--surface);
  background: var(--blue-deep);
  outline: none;
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(380px, 0.82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: clamp(22px, 3vw, 44px);
  min-height: 640px;
  padding: clamp(48px, 5vw, 72px) max(28px, calc((100vw - 1360px) / 2)) clamp(42px, 5vw, 64px);
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 20%, rgba(0, 102, 255, 0.1), rgba(0, 102, 255, 0) 18%),
    linear-gradient(180deg, #f8fbff 0%, #eff7ff 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(155deg, transparent 0 40%, rgba(205, 231, 255, 0.74) 40% 100%);
  pointer-events: none;
}

.hero-bg-ring {
  position: absolute;
  border: 34px solid rgba(0, 102, 255, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.hero-bg-ring-left {
  top: 48px;
  left: -118px;
  width: 260px;
  height: 260px;
}

.hero-bg-ring-right {
  right: 88px;
  bottom: 74px;
  width: 150px;
  height: 150px;
  border-width: 22px;
  opacity: 0.58;
}

.hero-shape {
  position: absolute;
  right: -8vw;
  bottom: -34%;
  width: 70vw;
  height: 72%;
  background: rgba(219, 239, 255, 0.9);
  border-top-left-radius: 70% 100%;
  transform: rotate(-6deg);
  pointer-events: none;
}

.hero-copy,
.device-stage {
  position: relative;
  z-index: 2;
}

.hero-copy {
  padding-left: min(2vw, 18px);
  max-width: 560px;
}

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

h1,
h2,
h3 {
  font-family: "Noto Sans JP", "Inter", sans-serif;
  letter-spacing: 0;
  line-height: 1.28;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 4vw, 4rem);
  font-weight: 900;
}

.hero-title span {
  display: block;
  white-space: nowrap;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.7rem, 2.8vw, 2.65rem);
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
  font-weight: 900;
}

.hero-lead {
  max-width: 560px;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: clamp(1.02rem, 1.35vw, 1.28rem);
  font-weight: 800;
  line-height: 1.72;
}

.brand-catch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--blue-deep);
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
  font-weight: 900;
  line-height: 1.45;
}

.brand-catch::before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: var(--blue);
}

.brand-catch span {
  color: var(--blue);
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
  font-weight: 900;
}

.hero-sub {
  margin-bottom: 28px;
  color: var(--ink);
  font-size: clamp(0.96rem, 1.1vw, 1.08rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 176px;
  min-height: 58px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--surface);
  background: linear-gradient(135deg, var(--blue) 0%, #087dff 100%);
  box-shadow: 0 14px 30px rgba(0, 102, 255, 0.25);
}

.device-stage {
  display: flex;
  align-items: center;
  justify-content: center;
}

.tablet-photo {
  display: block;
  width: min(760px, 100%);
  height: auto;
  filter: drop-shadow(0 28px 42px rgba(18, 57, 114, 0.16));
}

.features,
.seo-section,
.intro,
.faq,
.contact {
  padding: clamp(58px, 7vw, 84px) max(28px, calc((100vw - 1360px) / 2));
}

.features {
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.seo-section {
  background: #ffffff;
}

.seo-content {
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0%, rgba(0, 102, 255, 0.1), rgba(0, 102, 255, 0) 34%),
    var(--surface-soft);
}

.seo-content h2 {
  max-width: 760px;
}

.seo-content p:not(.section-kicker) {
  max-width: 820px;
  color: var(--ink-muted);
  font-weight: 700;
}

.seo-content p:last-child {
  margin-bottom: 0;
}

.section-heading {
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  margin-top: 34px;
}

.feature-card {
  position: relative;
  min-height: 210px;
  padding: clamp(24px, 2.5vw, 34px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-button {
  appearance: none;
  width: 100%;
  padding-bottom: clamp(54px, 4.8vw, 66px);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.feature-button:hover,
.feature-button:focus-visible,
.feature-button[aria-expanded="true"] {
  border-color: rgba(0, 102, 255, 0.45);
  box-shadow: 0 24px 64px rgba(0, 102, 255, 0.18);
  transform: translateY(-2px);
  outline: none;
}

.feature-title {
  display: block;
  margin-bottom: 10px;
  font-family: "Noto Sans JP", "Inter", sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.28;
}

.feature-text {
  display: block;
  color: var(--ink-muted);
  font-weight: 700;
}

.feature-more {
  position: absolute;
  right: clamp(20px, 2.2vw, 28px);
  bottom: clamp(18px, 2vw, 26px);
  display: inline-flex;
  align-items: center;
  margin-top: 0;
  color: var(--blue);
  font-size: 0.92rem;
  font-weight: 900;
}

.feature-more::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 160ms ease;
}

.feature-button[aria-expanded="true"] .feature-more::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.feature-card p {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.feature-icon {
  display: block;
  width: 68px;
  height: 68px;
  margin-bottom: 22px;
  color: var(--blue);
}

.record-icon {
  position: relative;
  border: 5px solid var(--blue);
  border-radius: 10px;
  background:
    linear-gradient(var(--blue) 0 0) 16px 18px / 30px 4px no-repeat,
    linear-gradient(var(--blue) 0 0) 16px 32px / 24px 4px no-repeat,
    linear-gradient(var(--blue) 0 0) 16px 46px / 34px 4px no-repeat,
    #ffffff;
}

.record-icon::before,
.record-icon::after {
  content: "";
  position: absolute;
}

.record-icon::before {
  top: -5px;
  right: -5px;
  width: 22px;
  height: 22px;
  border-left: 5px solid var(--blue);
  border-bottom: 5px solid var(--blue);
  border-bottom-left-radius: 8px;
  background: var(--blue-soft);
}

.record-icon::after {
  right: 7px;
  bottom: 8px;
  width: 22px;
  height: 8px;
  background: var(--blue);
  border-radius: 999px;
  transform: rotate(-36deg);
}

.people-icon {
  position: relative;
}

.people-icon span {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: var(--blue);
}

.people-icon span:nth-child(1) {
  top: 5px;
  left: 24px;
  width: 23px;
  height: 23px;
}

.people-icon span:nth-child(2) {
  top: 18px;
  left: 1px;
  width: 20px;
  height: 20px;
}

.people-icon span:nth-child(3) {
  top: 18px;
  right: 1px;
  width: 20px;
  height: 20px;
}

.people-icon::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 4px;
  height: 30px;
  border-radius: 24px 24px 8px 8px;
  background: var(--blue);
}

.chart-icon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 8px;
  padding-top: 10px;
}

.chart-icon span {
  display: block;
  border-radius: 3px 3px 0 0;
  background: var(--blue);
}

.chart-icon span:nth-child(1) {
  height: 34px;
}

.chart-icon span:nth-child(2) {
  height: 50px;
}

.chart-icon span:nth-child(3) {
  height: 64px;
}

.feature-detail {
  grid-column: 1 / -1;
  order: 10;
  display: grid;
  grid-template-columns: minmax(240px, 430px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.feature-detail[hidden] {
  display: none;
}

.feature-detail-image {
  width: min(100%, 430px);
  justify-self: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.feature-detail-image img {
  display: block;
  width: 100%;
  max-height: 520px;
  height: auto;
  object-fit: contain;
}

.analysis-gallery {
  position: relative;
  width: min(100%, 460px);
  justify-self: center;
}

.analysis-gallery .feature-detail-image {
  width: 100%;
}

.analysis-image img[hidden] {
  display: none;
}

.gallery-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 72px;
  border: 0;
  border-radius: 999px;
  color: rgba(7, 23, 51, 0.34);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 8px 22px rgba(18, 57, 114, 0.12);
  font-size: 2.4rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.gallery-arrow:hover,
.gallery-arrow:focus-visible {
  color: rgba(0, 102, 255, 0.72);
  background: rgba(255, 255, 255, 0.9);
  outline: none;
  transform: translateY(-50%) scale(1.04);
}

.gallery-arrow-prev {
  left: -16px;
}

.gallery-arrow-next {
  right: -16px;
}

.feature-detail-copy h3 {
  margin-bottom: 16px;
  font-size: clamp(1.6rem, 2.6vw, 2.45rem);
}

.feature-detail-copy p:last-child {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 54px;
  align-items: center;
  background: var(--surface-soft);
}

.section-kicker {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro-copy p:not(.section-kicker),
.contact-panel p {
  color: var(--ink-muted);
  font-weight: 700;
}

.intro-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  background: rgba(0, 102, 255, 0.06);
  font-size: 0.92rem;
}

.intro-steps {
  display: grid;
  gap: 16px;
}

.intro-steps div {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(18, 57, 114, 0.08);
}

.intro-steps span {
  grid-row: 1 / 3;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--surface);
  background: var(--blue);
  font-weight: 900;
}

.intro-steps strong {
  font-size: 1.1rem;
  font-weight: 900;
}

.intro-steps p {
  margin: 4px 0 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.faq {
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.faq-list {
  display: grid;
  gap: 16px;
  max-width: 960px;
  margin: 32px auto 0;
}

.faq-list article {
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(18, 57, 114, 0.08);
}

.faq-list h3 {
  margin-bottom: 8px;
  font-size: clamp(1.12rem, 2vw, 1.35rem);
}

.faq-list p {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.contact {
  background: #ffffff;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 0.68fr);
  gap: 40px;
  align-items: start;
  padding: 42px;
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0%, rgba(0, 102, 255, 0.12), rgba(0, 102, 255, 0) 34%),
    var(--surface-soft);
  border: 1px solid var(--line);
}

.contact-copy {
  max-width: 620px;
  padding-top: 4px;
}

.contact-copy .section-kicker {
  margin-bottom: 10px;
}

.contact-copy h2 {
  margin-bottom: 14px;
  max-width: 520px;
}

.contact-copy p:not(.section-kicker) {
  max-width: 520px;
  margin-bottom: 0;
  line-height: 1.85;
}

.contact-form label {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 900;
}

.form-field {
  margin-bottom: 16px;
}

.form-field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 700;
  min-height: 56px;
  padding: 0 16px;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.form-row input {
  width: 100%;
  min-height: 56px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 700;
}

.form-row button {
  min-width: 132px;
  min-height: 56px;
  border: 0;
  border-radius: 8px;
  color: var(--surface);
  background: var(--blue);
  font-weight: 900;
  cursor: pointer;
}

.form-row button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-message {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--blue);
  font-weight: 800;
}

.form-message.is-error {
  color: var(--red);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px max(32px, calc((100vw - 1360px) / 2));
  color: #d7e7ff;
  background: #071733;
  font-weight: 800;
}

.site-footer a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 4px;
  white-space: nowrap;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #8fc4ff;
  outline: none;
}

.policy-page {
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 44%);
}

.policy-hero,
.policy-content {
  padding-left: max(28px, calc((100vw - 980px) / 2));
  padding-right: max(28px, calc((100vw - 980px) / 2));
}

.policy-hero {
  padding-top: clamp(56px, 7vw, 92px);
  padding-bottom: clamp(30px, 5vw, 54px);
}

.policy-hero h1 {
  margin-bottom: 18px;
}

.policy-hero p:not(.section-kicker) {
  max-width: 760px;
  color: var(--ink-muted);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  font-weight: 700;
}

.policy-content {
  display: grid;
  gap: 18px;
  padding-bottom: clamp(64px, 8vw, 104px);
}

.policy-content article {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(18, 57, 114, 0.08);
}

.policy-content h2 {
  margin-bottom: 10px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.policy-content p {
  margin-bottom: 0;
  color: var(--ink-muted);
  font-weight: 700;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 50%;
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 14px 34px rgba(0, 102, 255, 0.28);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--blue-deep);
  outline: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 540ms ease, transform 540ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .site-header {
    gap: 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    text-align: center;
  }

  .device-stage {
    width: min(760px, 100%);
    justify-self: center;
  }

  .hero-copy {
    justify-self: center;
    padding-left: 0;
  }

  .brand-catch {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .intro,
  .contact-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 78px;
    padding: 10px 20px;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
    gap: 24px;
    overflow-x: auto;
    padding: 4px 0;
    font-size: 0.95rem;
  }

  .header-login-button {
    min-width: 96px;
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.92rem;
  }

  .hero,
  .features,
  .seo-section,
  .intro,
  .faq,
  .contact {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-actions,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    display: grid;
    gap: 18px;
  }

  .feature-detail {
    order: 0;
    grid-template-columns: 1fr;
  }

  .feature-detail-image {
    width: min(100%, 380px);
  }

  .analysis-gallery {
    width: min(100%, 420px);
  }

  .button {
    min-width: 0;
    width: min(100%, 230px);
    min-height: 54px;
    font-size: 1rem;
  }

  .tablet-photo {
    width: min(620px, 100%);
  }
}

@media (max-width: 560px) {
  .logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }

  .logo-text {
    font-size: 1rem;
  }

  .site-header {
    gap: 12px;
    padding: 10px 14px;
  }

  .site-nav {
    gap: 18px;
    font-size: 0.9rem;
  }

  .header-login-button {
    min-width: 86px;
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.86rem;
  }

  .hero {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  h1 {
    margin-bottom: 18px;
    font-size: clamp(2rem, 9.4vw, 2.45rem);
    line-height: 1.34;
  }

  .hero-lead {
    margin-bottom: 16px;
    font-size: 0.96rem;
    line-height: 1.75;
  }

  .brand-catch {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 0.9rem;
  }

  .brand-catch::before {
    width: 24px;
  }

  .hero-sub {
    margin-bottom: 22px;
    font-size: 0.9rem;
  }

  .hero-actions {
    gap: 14px;
  }

  .button {
    width: 100%;
    min-height: 52px;
  }

  .tablet-photo {
    width: min(520px, 100%);
  }

  .features,
  .seo-section,
  .intro,
  .faq,
  .contact {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .feature-card,
  .contact-panel {
    padding: 26px 22px;
  }

  .feature-button {
    padding-bottom: 58px;
  }

  .feature-more {
    right: 22px;
    bottom: 20px;
  }

  .feature-detail {
    padding: 18px;
  }

  .feature-detail-image {
    width: min(100%, 320px);
  }

  .analysis-gallery {
    width: min(100%, 330px);
  }

  .gallery-arrow {
    width: 32px;
    height: 58px;
    font-size: 2rem;
  }

  .gallery-arrow-prev {
    left: -10px;
  }

  .gallery-arrow-next {
    right: -10px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-row button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 46px;
    height: 46px;
    font-size: 1.18rem;
  }
}

@media (max-width: 380px) {
  .logo {
    gap: 8px;
  }

  .logo-text {
    font-size: 0.94rem;
  }

  h1 {
    font-size: clamp(1.88rem, 9vw, 2.1rem);
  }
}