@charset "UTF-8";
/* 復帰LP専用。既存テーマから独立させ、開発・本番で同じ生成CSSを読み込みます。 */
:root {
  --cb-ink: #14253e;
  --cb-muted: #52637a;
  --cb-blue: #175dc4;
  --cb-navy: #0c1a31;
  --cb-line: #dce4ee;
  --cb-tint: #f3f6fb;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}

body.comeback {
  margin: 0;
  color: var(--cb-ink);
  background: #fff;
  font: 16px/1.85 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.comeback h1, .comeback h2, .comeback h3, .comeback h4, .comeback p, .comeback figure {
  margin: 0;
}

.comeback h1, .comeback h2 {
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.45;
  text-wrap: balance;
}

.comeback h2 {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
}

.comeback h3 {
  font-size: 1.16rem;
  line-height: 1.65;
}

.comeback h4 {
  font-size: 1rem;
  line-height: 1.7;
}

.comeback a {
  color: var(--cb-blue);
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}

.comeback a:hover {
  text-decoration-thickness: 2px;
}

.comeback img {
  display: block;
  max-width: 100%;
  height: auto;
}

.comeback [hidden] {
  display: none !important;
}

.comeback :focus-visible {
  outline: 3px solid #c37300;
  outline-offset: 5px;
}

.comeback p {
  overflow-wrap: anywhere;
}

.cb-container {
  width: min(1200px, 100% - 96px);
  margin-inline: auto;
}

.cb-section {
  padding-block: 104px;
}

.cb-section-heading {
  max-width: 920px;
  margin-bottom: 48px;
}

.cb-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--cb-blue);
  margin-bottom: 18px !important;
}

.cb-eyebrow > span {
  margin-right: 14px;
}

.cb-section-lead {
  color: var(--cb-muted);
  max-width: 780px;
  margin-top: 20px !important;
}

.cb-skip {
  position: absolute;
  top: 8px;
  left: 12px;
  transform: translateY(-180%);
  background: white;
  padding: 12px 20px;
  z-index: 20;
}

.cb-skip:focus {
  transform: none;
}

.cb-header {
  border-bottom: 1px solid #e6ebf2;
  background: #fff;
}

.cb-header-inner {
  min-height: 82px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.cb-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 44px;
}

.cb-brand img {
  width: 119px;
  height: auto;
}

.cb-header nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 0.86rem;
  font-weight: 600;
}

.cb-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  color: var(--cb-ink);
}

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

.cb-header .cb-header-cta {
  gap: 16px;
  border-left: 1px solid var(--cb-line);
  padding-left: 30px;
  color: var(--cb-blue);
}

.cb-hero {
  color: #fff;
  background: radial-gradient(ellipse at 88% 25%, #153c62 0, transparent 54%), var(--cb-navy);
  padding: 56px 0 28px;
  position: relative;
}

.cb-hero-eyebrow {
  display: flex;
  align-items: center;
  color: #c8d6ea;
  margin-bottom: 38px !important;
}

.cb-hero-eyebrow > span {
  height: 7px;
  width: 7px;
  background: #7ddfd1;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(125, 223, 209, 0.0823529412);
  flex-shrink: 0;
}

.cb-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.cb-new-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 13px;
  color: #d4e4fd;
  font-size: 0.88rem;
  margin-bottom: 24px;
}

.cb-badge {
  color: #a3f0e4;
  border: 1px solid #548a91;
  background: #173943;
  border-radius: 4px;
  padding: 1px 9px;
  font-size: 0.72rem;
  font-weight: 700;
}

.cb-hero h1 {
  font-size: clamp(2.3rem, 4.1vw, 3.7rem);
  letter-spacing: -0.05em;
  line-height: 1.42;
}

.cb-hero h1 > span {
  display: block;
}

.cb-hero .cb-hero-platforms {
  font-size: 0.56em;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.cb-lead {
  color: #c1cee0;
  margin: 25px 0 30px !important;
  font-size: 1rem;
  line-height: 2;
  max-width: 500px;
}

.cb-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 17px 24px;
  min-height: 58px;
  color: #fff !important;
  background: var(--cb-blue);
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.6;
  transition: background-color 0.15s, box-shadow 0.15s;
  box-shadow: 0 5px 14px rgba(11, 53, 96, 0.0784313725);
}

.cb-button:hover {
  background: #114da9;
  box-shadow: 0 7px 22px rgba(11, 53, 96, 0.168627451);
}

.cb-hero .cb-button, .cb-final .cb-button {
  background: #fff;
  color: #124f9e !important;
}

.cb-hero .cb-button:hover, .cb-final .cb-button:hover {
  background: #dfeeff;
}

.cb-cta-note {
  color: #b6c9de;
  font-size: 0.73rem;
  margin-top: 13px !important;
}

.cb-product {
  background: #122841;
  border: 1px solid #37536f;
  border-radius: 14px;
  box-shadow: 0 36px 60px rgba(2, 11, 24, 0.3137254902);
  padding: 19px;
  transform: translateY(8px);
}

.cb-product-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.74rem;
  color: #d0dff1;
}

.cb-product-dot {
  width: 6px;
  height: 6px;
  background: #9fd5fd;
  border-radius: 50%;
}

.cb-version {
  margin-left: auto;
  color: #adc3df;
  border: 1px solid #496281;
  padding: 0 7px;
  border-radius: 3px;
  font-size: 0.7rem;
}

.cb-main-screen {
  border-radius: 4px;
  width: 100%;
}

.cb-product figcaption {
  color: #b7c8df;
  margin-top: 9px;
  font-size: 0.68rem;
}

.cb-product figcaption a {
  color: #c9e3ff;
}

.cb-product figcaption a, .cb-settings figcaption a {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin-left: 12px;
}

.cb-product-inputs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.72rem;
  margin: 19px 0 15px;
  color: #d1dff1;
}

.cb-product-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: center;
  border-top: 1px solid #334963;
  padding-top: 16px;
}

.cb-product-platforms span {
  font-size: 0.64rem;
  padding: 3px 8px;
  background: #1f3650;
  border-radius: 3px;
  color: #b9cce1;
}

.cb-product-platforms .cb-supported-new {
  background: #254d5a;
  color: #b9f8e9;
}

.cb-hero-note {
  margin-top: 54px !important;
  padding-top: 22px;
  border-top: 1px solid #35465e;
  font-size: 0.77rem;
  color: #b4c4d9;
}

.cb-exchange-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 64px;
}

.cb-exchange-visual {
  min-height: 390px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.cb-astro-visual {
  background: #101d2d;
  color: #fff;
}

.cb-exchange-number {
  position: absolute;
  left: 26px;
  top: 18px;
  font-size: 0.75rem;
  opacity: 0.65;
  letter-spacing: 0.13em;
}

.cb-exchange-name {
  font-size: clamp(2.5rem, 4.4vw, 4.3rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.2;
  position: relative;
}

.cb-astro-star {
  color: #edff94;
  font-size: 0.65em;
  position: absolute;
  right: -40px;
  top: -16px;
}

.cb-exchange-signature {
  position: absolute;
  bottom: 22px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.cb-orbit {
  position: absolute;
  width: 320px;
  height: 320px;
  border: 1px solid #536758;
  border-radius: 50%;
  transform: rotate(-35deg) scaleY(0.62);
  opacity: 0.5;
  z-index: -1;
}

.cb-orbit::after {
  content: "";
  position: absolute;
  inset: -38px;
  border: 1px solid #3b514c;
  border-radius: 50%;
}

.cb-tag {
  display: inline-block;
  color: #174f9c;
  font-size: 0.7rem;
  border: 1px solid #b8cce7;
  background: #f2f7fe;
  border-radius: 4px;
  padding: 2px 9px;
  margin-bottom: 17px;
  font-weight: 700;
}

.cb-exchange-intro {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 24px !important;
}

.cb-benefit {
  border-left: 3px solid #1b69c9;
  padding: 0 0 0 20px;
  margin: 26px 0 23px;
}

.cb-benefit p, .cb-baba-benefits p {
  color: var(--cb-muted);
  font-size: 0.91rem;
  margin-top: 9px;
}

.cb-fine {
  color: #596a7d;
  font-size: 0.75rem;
  line-height: 1.85;
}

.cb-source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.73rem;
  min-height: 32px;
  margin-top: 7px;
}

.cb-baba-heading {
  margin: 86px 0 40px;
  max-width: 980px;
}

.cb-baba-grid {
  grid-template-columns: 1.15fr 0.85fr;
}

.cb-baba-visual {
  background: #eaf3fb;
  color: #17416e;
}

.cb-baba-visual .cb-exchange-name {
  font-size: clamp(2.2rem, 3.5vw, 3.5rem);
}

.cb-baba-globe {
  position: absolute;
  height: 290px;
  width: 290px;
  border-radius: 50%;
  border: 1px solid #abc4de;
  z-index: -1;
  background: repeating-linear-gradient(0deg, transparent 0 46px, #bdd0e5 47px, transparent 48px);
  opacity: 0.62;
}

.cb-baba-globe::before, .cb-baba-globe::after {
  content: "";
  position: absolute;
  inset: 0 47px;
  border: 1px solid #abc4de;
  border-radius: 50%;
}

.cb-baba-globe::after {
  inset: 0 105px;
}

.cb-baba-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 22px;
}

.cb-baba-benefits h3 {
  font-size: 1rem;
}

.cb-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
}

.cb-existing {
  margin-top: 70px;
  border: 1px solid var(--cb-line);
  border-radius: 10px;
  padding: 35px 38px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 40px;
}

.cb-existing > div p {
  font-size: 0.88rem;
  color: var(--cb-muted);
  margin-top: 10px;
}

.cb-existing-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-content: center;
  gap: 12px;
}

.cb-existing-list li {
  font-size: 0.96rem;
  font-weight: 650;
  background: #f4f7fb;
  padding: 13px;
  text-align: center;
  border-radius: 5px;
}

.cb-existing > .cb-fine {
  grid-column: 1/-1;
  border-top: 1px solid var(--cb-line);
  padding-top: 18px;
}

.cb-features {
  background: var(--cb-tint);
}

.cb-flow {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 24px;
  margin: 0 0 46px;
  padding: 0;
}

.cb-flow li {
  position: relative;
  background: white;
  border: 1px solid var(--cb-line);
  border-radius: 9px;
  padding: 25px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.cb-flow li + li::before {
  content: "→";
  position: absolute;
  left: -21px;
  color: #61738d;
}

.cb-flow h3 {
  font-size: 0.89rem;
}

.cb-flow p {
  font-size: 0.72rem;
  color: var(--cb-muted);
  margin-top: 6px;
}

.cb-flow-symbol {
  background: #eaf2ff;
  height: 36px;
  width: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  color: #1b60b8;
  border-radius: 6px;
  font-size: 1.3rem;
  font-weight: 700;
}

.cb-flow .cb-flow-amt {
  background: #153b69;
  border-color: #153b69;
  color: #fff;
}

.cb-flow-amt p {
  color: #ccdced;
}

.cb-feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
  margin-bottom: 35px;
}

.cb-feature {
  padding: 28px 0;
  border-top: 1px solid #cfdbea;
  position: relative;
}

.cb-feature h3 {
  padding-left: 24px;
  font-size: 1.08rem;
}

.cb-feature-mark {
  width: 8px;
  height: 8px;
  background: #2974cf;
  position: absolute;
  top: 40px;
  border-radius: 2px;
}

.cb-feature p {
  color: var(--cb-muted);
  font-size: 0.9rem;
  margin-top: 10px;
}

.cb-settings {
  padding: 24px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--cb-line);
}

.cb-settings img {
  width: 100%;
  border: 1px solid #e4e9f1;
}

.cb-settings figcaption {
  color: var(--cb-muted);
  font-size: 0.73rem;
  margin-top: 15px;
  text-align: center;
}

.cb-restart {
  scroll-margin-top: 20px;
}

.cb-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cb-steps > li {
  display: grid;
  grid-template-columns: 55px 1fr;
  gap: 30px;
  position: relative;
  padding-bottom: 35px;
}

.cb-steps > li + li {
  padding-top: 4px;
}

.cb-steps > li::before {
  content: "";
  position: absolute;
  top: 50px;
  bottom: 0;
  left: 23px;
  width: 1px;
  background: #d9e4f2;
}

.cb-steps > li:last-child::before {
  display: none;
}

.cb-step-number {
  background: #edf4ff;
  border: 1px solid #c2d7f0;
  color: #195eb6;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 600;
}

.cb-steps h3 {
  margin: 6px 0 10px;
  font-size: 1.25rem;
}

.cb-steps p {
  color: var(--cb-muted);
  font-size: 0.92rem;
}

.cb-steps a:not(.cb-button) {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.87rem;
}

.cb-button-small {
  font-size: 0.89rem;
  margin-top: 18px;
  min-height: 48px;
  padding: 12px 22px;
}

.cb-account-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 18px;
}

.cb-account-paths > div {
  border: 1px solid var(--cb-line);
  border-radius: 8px;
  padding: 23px 25px 14px;
}

.cb-account-paths h4 {
  margin-bottom: 10px;
}

.cb-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 20px;
}

.cb-conditions {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  margin-top: 20px;
  padding: 32px 38px;
  border: 1px solid var(--cb-line);
  background: #f6f9fd;
  border-radius: 10px;
}

.cb-conditions > div + div {
  border-left: 1px solid #d2ddec;
  padding-left: 44px;
}

.cb-conditions h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.cb-conditions p {
  color: var(--cb-muted);
  font-size: 0.88rem;
}

.cb-conditions .cb-free {
  font-size: 1.8rem;
  font-weight: 750;
  line-height: 1.4;
  color: var(--cb-blue);
  margin-bottom: 10px;
}

.cb-conditions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
}

/* 購入条件の直後に割引と適用方法をまとめ、指定コードに関する条件も同じ枠内で読めるようにする。 */
.cb-promotion {
  margin-top: 24px;
  border: 1px solid #a8c4ec;
  border-top: 4px solid var(--cb-blue);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}

.cb-promotion-offer {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 36px;
  padding: 34px 38px;
  align-items: center;
}

.cb-promotion h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.cb-promotion-intro {
  margin-top: 12px !important;
  color: var(--cb-muted);
  font-size: 0.9rem;
}

.cb-promotion-prices {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-block: 24px 16px;
}

.cb-promotion-prices > div {
  display: grid;
  gap: 4px;
}

.cb-promotion-prices > div > span {
  font-size: 0.75rem;
  color: var(--cb-muted);
}

.cb-promotion-prices s {
  font-size: 1.05rem;
  color: var(--cb-muted);
}

.cb-promotion-prices strong {
  font-size: clamp(1.3rem, 2.3vw, 1.85rem);
  line-height: 1.5;
  color: var(--cb-blue);
}

.cb-promotion-arrow {
  color: var(--cb-blue);
  font-size: 1.5rem;
}

.cb-promotion-codebox {
  border: 1px dashed #9bb8df;
  border-radius: 8px;
  padding: 24px;
  background: #f5f9ff;
}

.cb-promotion-codebox p {
  font-size: 0.85rem;
  color: var(--cb-muted);
}

/* コードは画像にせず、そのまま選択・コピーできる文字として表示する。 */
.cb-promotion-code {
  display: block;
  width: fit-content;
  margin-block: 8px 14px;
  font: 700 2.15rem/1.4 ui-monospace, Consolas, monospace;
  letter-spacing: 0.1em;
  color: var(--cb-ink);
  user-select: all;
}

.cb-promotion-codebox a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  margin-top: 10px;
  font-size: 0.88rem;
}

.cb-promotion-notes {
  padding: 22px 38px;
  border-top: 1px solid var(--cb-line);
  background: #f8fafd;
}

.cb-promotion-notes h4 {
  font-size: 0.87rem;
  margin-bottom: 8px;
}

.cb-promotion-notes p {
  color: var(--cb-muted);
  font-size: 0.8rem;
}

.cb-promotion-notes p + p {
  margin-top: 8px;
}

.cb-environment {
  font-size: 0.79rem;
  color: var(--cb-muted);
  margin-top: 22px !important;
}

.cb-faq {
  border-top: 1px solid var(--cb-line);
  padding-top: 78px;
}

.cb-faq-grid {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 70px;
}

.cb-faq-grid > div > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-size: 0.88rem;
  margin-top: 24px;
}

.cb-faq-list details {
  border-bottom: 1px solid var(--cb-line);
}

.cb-faq-list details:first-child {
  border-top: 1px solid var(--cb-line);
}

.cb-faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 0.96rem;
  font-weight: 650;
}

.cb-faq-list summary::-webkit-details-marker {
  display: none;
}

.cb-faq-list summary span {
  color: var(--cb-blue);
  font-size: 1.5rem;
  font-weight: 400;
  flex-shrink: 0;
  line-height: 1;
}

.cb-faq-list details[open] summary span {
  transform: rotate(45deg);
}

.cb-faq-list details > p {
  color: var(--cb-muted);
  font-size: 0.89rem;
  padding: 0 26px 24px 0;
}

.cb-final {
  padding: 76px 0 66px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 120%, #164574, transparent 80%), var(--cb-navy);
  color: #fff;
}

.cb-final-star {
  display: block;
  color: #a8e6da;
  font-size: 2rem;
  margin-bottom: 14px;
}

.cb-final p:not(.cb-cta-note) {
  color: #c6d5e9;
  max-width: 760px;
  margin: 20px auto 28px;
}

.cb-final .cb-cta-note {
  margin-top: 16px !important;
}

.cb-footer {
  background: #f6f8fb;
  padding: 38px 0 26px;
}

.cb-risk {
  font-size: 0.74rem;
  color: #55657b;
  max-width: 1100px;
}

.cb-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 28px;
  margin: 20px 0;
}

.cb-footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.77rem;
  color: #334962;
}

.cb-footer-bottom {
  border-top: 1px solid var(--cb-line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.65rem;
  color: #627288;
}

.cb-sticky {
  display: none;
}

@media (min-width: 1600px) {
  .cb-hero {
    padding-top: 70px;
  }
  .cb-hero-grid {
    min-height: 410px;
  }
}
@media (max-width: 1050px) {
  .cb-container {
    width: calc(100% - 64px);
  }
  .cb-header nav {
    gap: 20px;
  }
  .cb-header .cb-header-cta {
    padding-left: 20px;
  }
  .cb-hero-grid, .cb-exchange-grid {
    gap: 32px;
  }
  .cb-hero h1 {
    font-size: 2.6rem;
  }
  .cb-button {
    gap: 18px;
    padding-inline: 20px;
    font-size: 0.91rem;
  }
  .cb-flow {
    gap: 20px;
  }
  .cb-flow li {
    padding: 20px 14px;
    gap: 10px;
  }
  .cb-flow li + li::before {
    left: -19px;
  }
  .cb-flow-symbol {
    display: none;
  }
  .cb-baba-benefits {
    grid-template-columns: 1fr;
    gap: 17px;
  }
  .cb-faq-grid {
    gap: 40px;
  }
}
@media (max-width: 767px) {
  html {
    scroll-padding-top: 18px;
    scroll-padding-bottom: 104px;
  }
  .cb-container {
    width: calc(100% - 40px);
  }
  .cb-section {
    padding-block: 62px;
  }
  .cb-header-inner {
    min-height: 68px;
    gap: 16px;
  }
  .cb-brand img {
    width: 119px;
  }
  .cb-header nav > a:not(.cb-header-cta) {
    display: none;
  }
  .cb-header .cb-header-cta {
    border: 0;
    padding: 0;
    font-size: 0.77rem;
    gap: 8px;
  }
  .cb-hero {
    padding-top: 30px;
    padding-bottom: 23px;
  }
  .cb-hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .cb-hero-eyebrow {
    font-size: 0.69rem;
    margin-bottom: 26px !important;
    letter-spacing: 0.03em;
  }
  .cb-new-line {
    margin-bottom: 19px;
  }
  .cb-hero h1 {
    font-size: clamp(2rem, 7.5vw, 3.5rem);
  }
  .cb-hero .cb-hero-platforms {
    font-size: 0.62em;
    margin-bottom: 7px;
  }
  .cb-lead {
    font-size: 0.92rem;
    margin: 20px 0 23px !important;
    max-width: 600px;
  }
  .cb-hero .cb-button {
    width: 100%;
  }
  .cb-cta-note {
    font-size: 0.66rem;
    text-align: center;
  }
  .cb-product {
    transform: none;
    padding: 14px;
    border-radius: 10px;
  }
  .cb-product-heading {
    margin-bottom: 12px;
  }
  .cb-product-inputs {
    margin-top: 13px;
  }
  .cb-hero-note {
    margin-top: 28px !important;
    font-size: 0.69rem;
    padding-top: 18px;
  }
  .cb-section-heading {
    margin-bottom: 30px;
  }
  .cb-eyebrow {
    font-size: 0.72rem;
    margin-bottom: 13px !important;
  }
  .cb-exchange-grid, .cb-baba-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .cb-exchange-visual {
    min-height: 210px;
  }
  .cb-exchange-name {
    font-size: 3.6rem;
  }
  .cb-exchange-signature {
    bottom: 15px;
  }
  .cb-baba-visual .cb-exchange-name {
    font-size: 3.1rem;
  }
  .cb-baba-grid .cb-exchange-visual {
    order: -1;
  }
  .cb-exchange-intro {
    font-size: 0.94rem;
  }
  .cb-baba-heading {
    margin: 55px 0 28px;
  }
  .cb-baba-benefits {
    gap: 22px;
  }
  .cb-existing {
    margin-top: 42px;
    padding: 25px 22px;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cb-existing-list li {
    font-size: 0.79rem;
    padding: 12px 5px;
  }
  .cb-fine {
    font-size: 0.72rem;
  }
  .cb-flow {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 28px;
  }
  .cb-flow li {
    padding: 18px 20px;
    gap: 16px;
  }
  .cb-flow li + li::before {
    content: "↓";
    left: 50%;
    top: -24px;
  }
  .cb-flow-symbol {
    display: grid;
  }
  .cb-feature-grid {
    grid-template-columns: 1fr;
    margin-bottom: 12px;
  }
  .cb-feature {
    padding-block: 24px;
  }
  .cb-feature-mark {
    top: 35px;
  }
  .cb-feature h3 {
    font-size: 1rem;
  }
  .cb-settings {
    padding: 10px;
  }
  .cb-settings figcaption {
    font-size: 0.68rem;
    margin-top: 10px;
  }
  .cb-steps > li {
    grid-template-columns: 36px 1fr;
    gap: 16px;
    padding-bottom: 27px;
  }
  .cb-step-number {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }
  .cb-steps > li::before {
    left: 17px;
    top: 40px;
  }
  .cb-steps h3 {
    font-size: 1.07rem;
    margin-top: 1px;
  }
  .cb-account-paths {
    grid-template-columns: 1fr;
    gap: 13px;
  }
  .cb-account-paths > div {
    padding: 18px 17px 12px;
  }
  .cb-account-paths h4 {
    font-size: 0.88rem;
  }
  .cb-steps p {
    font-size: 0.87rem;
  }
  .cb-steps .cb-button {
    width: 100%;
    gap: 12px;
    font-size: 0.85rem;
    padding-inline: 12px;
  }
  .cb-conditions {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 23px;
  }
  .cb-conditions > div + div {
    border-left: 0;
    border-top: 1px solid #d2ddec;
    padding: 22px 0 0;
  }
  .cb-promotion-offer {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
  .cb-promotion-prices {
    gap: 12px;
  }
  .cb-promotion-codebox {
    padding: 20px;
  }
  .cb-promotion-notes {
    padding: 22px 24px;
  }
  .cb-faq-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cb-faq-grid > div > a {
    margin-top: 12px;
  }
  .cb-faq-list summary {
    font-size: 0.89rem;
    padding-block: 19px;
  }
  .cb-final {
    padding-block: 54px;
  }
  .cb-final h2 {
    font-size: 1.8rem;
  }
  .cb-final p:not(.cb-cta-note) {
    font-size: 0.91rem;
  }
  .cb-final .cb-button {
    width: 100%;
  }
  .cb-footer {
    padding-bottom: calc(30px + env(safe-area-inset-bottom));
  }
  .cb-footer-bottom {
    flex-direction: column;
  }
  .cb-footer-links {
    gap: 0 16px;
  }
  /* 下端に余白を予約し、フォーカス移動やアンカー先を追従ボタンで隠しません。 */
  .cb-sticky {
    display: block;
    position: fixed;
    z-index: 10;
    bottom: 0;
    inset-inline: 0;
    background: rgba(255, 255, 255, 0.9803921569);
    padding: 10px 20px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid #c9d8eb;
    box-shadow: 0 -4px 20px rgba(12, 26, 49, 0.0705882353);
  }
  .cb-sticky .cb-button {
    width: 100%;
    min-height: 50px;
    padding: 12px;
    font-size: 0.86rem;
  }
}
@media (max-width: 359px) {
  .cb-container {
    width: calc(100% - 32px);
  }
  .cb-brand img {
    width: 108px;
  }
  .cb-header .cb-header-cta {
    font-size: 0.7rem;
  }
  .cb-button {
    font-size: 0.85rem;
    gap: 10px;
    padding-inline: 12px;
  }
  .cb-product-inputs {
    gap: 10px;
  }
  .cb-account-paths > div {
    padding-inline: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .cb-button {
    transition: none;
  }
}