:root {
  --choose-pink: #ff3d86;
  --choose-violet: #7456ff;
  --choose-blue: #35a8ff;
  --choose-line: #06c755;
  --choose-ink: #121217;
  --choose-mist: #f7f7fb;
  --surface-white: #ffffff;
  --text-muted: #5f6877;
  --border-soft: #e5e7eb;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 30px;
  --radius-pill: 999px;
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-floating: 0 20px 60px rgba(31, 38, 135, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--choose-ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 61, 134, 0.13), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(53, 168, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--choose-mist) 100%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
  letter-spacing: 0;
  line-break: strict;
  overflow-wrap: break-word;
}

img {
  max-inline-size: 100%;
  height: auto;
}

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

.seo-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.seo-container {
  width: calc(100% - 40px);
  max-width: 1180px;
  margin-inline: auto;
  min-width: 0;
}

.seo-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}

.seo-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
}

.seo-logo img {
  width: 44px;
  height: 44px;
  border-radius: 15px;
}

.seo-logo-text {
  display: grid;
  gap: 2px;
}

.seo-logo-main {
  font-size: 28px;
  line-height: 1;
}

.seo-logo-sub {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
}

.seo-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #303645;
  font-size: 14px;
  font-weight: 700;
}

.seo-nav a {
  white-space: nowrap;
}

.seo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 0;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--choose-pink);
  box-shadow: 0 16px 42px rgba(255, 61, 134, 0.24);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
}

.seo-btn-line {
  background: #047536;
  box-shadow: 0 14px 34px rgba(4, 117, 54, 0.22);
}

.seo-btn-secondary {
  color: var(--choose-ink);
  background: #fff;
  border: 1px solid var(--border-soft);
  box-shadow: none;
}

.seo-hero {
  padding: clamp(54px, 8vw, 96px) 0 clamp(42px, 7vw, 80px);
}

.seo-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 76px);
}

.seo-eyebrow {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 10px 18px;
  border: 1px solid rgba(255, 61, 134, 0.25);
  border-radius: var(--radius-pill);
  color: var(--choose-pink);
  background: rgba(255, 61, 134, 0.08);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}

.seo-hero h1 {
  max-width: 760px;
  margin: 26px 0 0;
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
  text-wrap: balance;
}

.seo-hero h1.seo-title-single-line {
  max-width: 100%;
  font-size: clamp(18px, 3.2vw, 46px);
  line-height: 1.18;
  white-space: nowrap;
  text-wrap: nowrap;
}

.seo-gradient {
  background: linear-gradient(90deg, var(--choose-pink), var(--choose-violet), var(--choose-blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.seo-lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: #2b3140;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.7;
}

.seo-body {
  max-width: 690px;
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.9;
}

.seo-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.seo-note-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.seo-note-list li {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.82);
  color: #303645;
  font-size: 13px;
  font-weight: 800;
}

.seo-phone {
  width: min(100%, 390px);
  margin-inline: auto;
  padding: 10px;
  border: 1px solid rgba(18, 18, 23, 0.12);
  border-radius: 44px;
  background: #101116;
  box-shadow: var(--shadow-floating);
}

.seo-phone img {
  display: block;
  width: 100%;
  border-radius: 36px;
  aspect-ratio: 820 / 1775;
  object-fit: cover;
}

.seo-section {
  padding: clamp(54px, 8vw, 92px) 0;
}

.seo-section-head {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.seo-section h2 {
  margin: 14px 0 0;
  font-size: clamp(32px, 4.8vw, 52px);
  font-weight: 900;
  line-height: 1.18;
  text-wrap: balance;
}

.seo-section h2.seo-nowrap-title {
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: nowrap;
}

.seo-section-head p {
  margin: 18px auto 0;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.9;
}

.seo-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.seo-card,
.seo-area-card,
.seo-faq-item {
  min-width: 0;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-card);
}

.seo-card {
  padding: 26px;
}

.seo-card h3,
.seo-area-card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.45;
}

.seo-card h3 a {
  color: var(--choose-blue);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.seo-card p,
.seo-area-card p {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.8;
}

.seo-area-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.seo-area-card {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.seo-area-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.seo-area-meta span {
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 61, 134, 0.08);
  color: var(--choose-pink);
  font-size: 13px;
  font-weight: 850;
}

.seo-path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.seo-path-step {
  padding: 20px 16px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-lg);
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.seo-path-step strong {
  display: block;
  color: var(--choose-pink);
  font-size: 13px;
  font-weight: 900;
}

.seo-path-step span {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.5;
}

.seo-cta-panel {
  display: grid;
  gap: 22px;
  width: 100%;
  max-inline-size: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 44px);
  border: 1px solid rgba(255, 61, 134, 0.18);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(255, 61, 134, 0.1), rgba(116, 86, 255, 0.08), rgba(53, 168, 255, 0.1));
  text-align: center;
  box-shadow: var(--shadow-card);
}

.seo-cta-panel h2 {
  margin: 0;
}

.seo-section h2.seo-balanced-cta-title {
  display: grid;
  gap: 6px;
  justify-items: center;
  width: 100%;
  max-inline-size: 100%;
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.18;
  text-wrap: initial;
}

.seo-balanced-cta-title span {
  display: block;
  max-width: 100%;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}

.seo-faq-list {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
}

.seo-faq-item {
  padding: 20px 22px;
}

.seo-faq-item h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.55;
}

.seo-faq-item p {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.8;
}

.seo-answer-panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid rgba(255, 61, 134, 0.18);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-card);
}

.seo-answer-panel h2 {
  margin: 0;
  font-size: clamp(31px, 4.2vw, 48px);
}

.seo-answer-lead {
  max-width: 920px;
  margin: 0;
  color: #303645;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 750;
  line-height: 1.9;
}

.seo-answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.seo-answer-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 61, 134, 0.06), rgba(53, 168, 255, 0.06));
}

.seo-answer-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.45;
}

.seo-answer-card p {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.8;
}

.seo-fact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.seo-fact-list div {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius-md);
  background: #fff;
}

.seo-fact-list dt {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
}

.seo-fact-list dd {
  margin: 6px 0 0;
  color: var(--choose-ink);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.55;
}

.seo-footer {
  padding: 38px 0 44px;
  border-top: 1px solid rgba(229, 231, 235, 0.95);
  background: #fff;
}

.seo-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-inline-size: 100%;
  color: #303645;
  font-size: 14px;
  font-weight: 750;
}

.seo-footer-links a {
  min-width: 0;
  white-space: nowrap;
}

.seo-copyright {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 650;
}

.seo-fixed-line {
  position: fixed;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 14px));
  z-index: 30;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: #047536;
  box-shadow: 0 16px 40px rgba(4, 117, 54, 0.25);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  text-align: center;
}

.nowrap {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .seo-nav {
    display: none;
  }

  .seo-hero-grid {
    grid-template-columns: 1fr;
  }

  .seo-phone {
    width: min(74vw, 380px);
  }

  .seo-card-grid,
  .seo-area-grid,
  .seo-answer-grid {
    grid-template-columns: 1fr;
  }

  .seo-path {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: calc(82px + env(safe-area-inset-bottom));
  }

  .seo-container {
    width: calc(100% - 28px);
    max-width: 760px;
  }

  .seo-header-inner {
    min-height: 66px;
  }

  .seo-logo img {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  .seo-logo-main {
    font-size: 25px;
  }

  .seo-logo-sub {
    display: none;
  }

  .seo-btn {
    width: 100%;
    min-height: 52px;
    padding-inline: 16px;
    font-size: 14px;
  }

  .seo-header .seo-btn {
    display: none;
  }

  .seo-hero {
    padding-top: 42px;
  }

  .seo-hero h1 {
    font-size: clamp(34px, 9vw, 42px);
    line-height: 1.2;
  }

  .seo-hero h1.seo-title-single-line {
    font-size: clamp(17px, 5.2vw, 22px);
    line-height: 1.24;
  }

  .seo-lead {
    font-size: 17px;
  }

  .seo-body {
    font-size: 15px;
  }

  .seo-cta-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .seo-phone {
    width: min(88vw, 340px);
    padding: 7px;
    border-radius: 40px;
  }

  .seo-phone img {
    border-radius: 33px;
  }

  .seo-section {
    padding: 52px 0;
  }

  .seo-section-head {
    text-align: left;
  }

  .seo-section h2 {
    font-size: clamp(29px, 8vw, 36px);
    line-height: 1.24;
  }

  .seo-section h2.seo-nowrap-title {
    font-size: clamp(21px, 6vw, 28px);
    line-height: 1.22;
  }

  .seo-section h2.seo-balanced-cta-title {
    gap: 7px;
    font-size: clamp(19px, 5vw, 21px);
    line-height: 1.22;
  }

  .seo-answer-panel {
    gap: 18px;
    padding: 24px 18px;
    border-radius: 28px;
  }

  .seo-answer-panel h2 {
    font-size: clamp(28px, 7.5vw, 34px);
  }

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

  .seo-cta-panel {
    gap: 20px;
    padding: 28px 18px;
    border-radius: 28px;
  }

  .seo-card,
  .seo-area-card,
  .seo-faq-item {
    border-radius: 26px;
  }

  .seo-card,
  .seo-area-card {
    padding: 22px;
  }

  .seo-card h3,
  .seo-area-card h3 {
    font-size: 19px;
  }

  .seo-area-meta span {
    font-size: 12px;
  }

  .seo-footer-inner {
    display: grid;
    justify-items: center;
    text-align: center;
  }

  .seo-footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, max-content));
    justify-content: center;
    gap: 12px 18px;
    width: 100%;
  }
}