:root {
  --cream: #f8f5ef;
  --paper: #fffdf9;
  --ink: #171513;
  --muted: #6f6a64;
  --soft-muted: #918b84;
  --line: #ded8cf;
  --orange: #e85002;
  --orange-soft: #f8ded0;
  --orange-pale: #fff1e9;
  --shadow: 0 24px 70px rgba(40, 26, 14, 0.11);
  --radius-lg: 32px;
  --radius-md: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 83% 2%, rgba(248, 222, 208, 0.76), transparent 26rem),
    var(--cream);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--orange);
  color: #fff;
}

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

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

button {
  border: 0;
  color: inherit;
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(222, 216, 207, 0.84);
  background: rgba(248, 245, 239, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.brand-name {
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -0.045em;
}

.brand-name small {
  margin-left: 5px;
  color: var(--soft-muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 620;
}

.site-nav a,
.quiet-link,
.footer-link {
  transition: color 180ms ease;
}

.site-nav a:hover,
.quiet-link:hover,
.footer-link:hover {
  color: var(--orange);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 8px 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.08em;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang-toggle:hover {
  background: var(--ink);
  color: #fff;
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  align-items: center;
  gap: clamp(44px, 8vw, 120px);
  min-height: min(820px, calc(100vh - 76px));
  padding: clamp(78px, 10vw, 138px) 0 clamp(86px, 11vw, 150px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.eyebrow,
.section-kicker,
.screen-label,
.footer-overline {
  margin: 0;
  color: var(--orange);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 690px;
  margin: 26px 0 28px;
  font-size: clamp(3.5rem, 7.5vw, 7.35rem);
  font-weight: 790;
  letter-spacing: -0.095em;
  line-height: 0.93;
}

.hero h1 span,
.hero h1 em {
  display: block;
}

.hero h1 em {
  color: var(--orange);
  font-style: normal;
}

.hero-lede {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 19px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 0 23px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 22px rgba(232, 80, 2, 0.2);
}

.button--orange {
  background: var(--orange);
  color: #fff;
}

.button--dark {
  background: var(--ink);
  color: #fff;
}

.quiet-link {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.quiet-link::after {
  display: inline-block;
  margin-left: 8px;
  color: var(--orange);
  content: "↘";
  font-size: 17px;
  transition: transform 180ms ease;
}

.quiet-link:hover::after {
  transform: translate(2px, 2px);
}

.hero-note {
  max-width: 480px;
  margin: 25px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  color: var(--soft-muted);
  font-size: 11px;
  line-height: 1.7;
}

.hero-visual {
  position: relative;
  min-height: 650px;
}

.hero-visual::before {
  position: absolute;
  top: 8%;
  right: 0;
  width: min(32vw, 450px);
  height: min(32vw, 450px);
  border-radius: 50%;
  background: var(--orange-soft);
  content: "";
}

.hero-visual::after {
  position: absolute;
  right: 6%;
  bottom: 8%;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(232, 80, 2, 0.36);
  border-radius: 50%;
  content: "";
}

.hero-phone {
  position: absolute;
  top: 4%;
  right: 13%;
  z-index: 2;
  width: min(67%, 354px);
  margin: 0;
  padding: 8px;
  border: 1px solid rgba(23, 21, 19, 0.92);
  border-radius: 40px;
  background: var(--ink);
  box-shadow: var(--shadow);
  transform: rotate(3deg);
}

.hero-phone img {
  display: block;
  width: 100%;
  border-radius: 32px;
  background: #fff;
}

.hero-phone::before {
  position: absolute;
  top: 16px;
  left: 50%;
  z-index: 1;
  width: 78px;
  height: 18px;
  border-radius: 99px;
  background: var(--ink);
  content: "";
  transform: translateX(-50%);
}

.visual-label {
  position: absolute;
  top: 6%;
  left: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(23, 21, 19, 0.14);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.82);
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.visual-label::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  content: "";
}

.hero-mascot {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 4;
  width: min(43%, 215px);
  filter: drop-shadow(0 16px 15px rgba(42, 25, 13, 0.14));
  transform: rotate(-6deg);
}

.hero-mascot img {
  display: block;
  width: 100%;
}

.mascot-caption {
  position: absolute;
  right: -58px;
  bottom: 30px;
  width: 108px;
  padding: 9px 11px;
  border-radius: 15px 15px 15px 2px;
  background: var(--ink);
  color: #fff;
  font-size: 10px;
  font-weight: 680;
  line-height: 1.45;
  transform: rotate(6deg);
}

.section {
  padding: clamp(88px, 12vw, 170px) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: clamp(2.4rem, 5.2vw, 5.2rem);
  font-weight: 760;
  letter-spacing: -0.085em;
  line-height: 0.99;
}

.section-intro {
  max-width: 590px;
  margin: 23px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.flow-section {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(46px, 10vw, 150px);
}

.flow-list {
  margin: 3px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.flow-item {
  display: grid;
  grid-template-columns: 53px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 18px;
  padding: 25px 0 24px;
  border-bottom: 1px solid var(--line);
}

.flow-number {
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.flow-item h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 740;
  letter-spacing: -0.045em;
}

.flow-item p {
  max-width: 410px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.flow-mark {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border: 1px solid var(--orange);
  border-radius: 50%;
}

.showcase-shell {
  padding: clamp(28px, 5vw, 70px);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.showcase-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
  gap: clamp(48px, 8vw, 120px);
}

.showcase-copy {
  position: sticky;
  top: 115px;
}

.showcase-copy .section-heading {
  font-size: clamp(2.4rem, 4.8vw, 4.7rem);
}

.showcase-note {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 42px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.showcase-note strong {
  color: var(--orange);
  font-size: 24px;
  letter-spacing: -0.06em;
}

.showcase-note span {
  color: var(--soft-muted);
  font-size: 11px;
  line-height: 1.5;
}

.screen-collage {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: clamp(12px, 1.8vw, 22px);
  min-height: 0;
  padding: 12px 4px 26px;
}

.screen-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: #fff;
  box-shadow: 0 18px 38px rgba(40, 26, 14, 0.11);
}

.screen-card--primary {
  transform: translateY(18px) rotate(-2deg);
}

.screen-card--secondary {
  transform: translateY(74px) rotate(3deg);
}

.screen-card--tertiary {
  transform: translateY(-4px) rotate(-1deg);
}

.screen-card--login {
  display: none;
}

.screen-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 53px;
  padding: 0 17px;
  border-bottom: 1px solid var(--line);
  color: var(--soft-muted);
  font-size: 10px;
  font-weight: 740;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.screen-card-head::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  content: "";
}

.screen-card img {
  display: block;
  width: 100%;
  height: auto;
}

.screen-card-caption {
  padding: 16px 17px 19px;
  border-top: 1px solid var(--line);
}

.screen-card-caption p {
  margin: 0;
  color: var(--soft-muted);
  font-size: 10px;
  font-weight: 680;
}

.screen-card-caption h3 {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 740;
  letter-spacing: -0.04em;
}

.mascot-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 1.08fr);
  align-items: stretch;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--orange);
  color: #fff;
}

.mascot-copy {
  padding: clamp(32px, 6vw, 76px);
}

.mascot-copy .section-kicker {
  color: #ffd8c5;
}

.mascot-copy .section-heading {
  max-width: 520px;
  margin-top: 21px;
  font-size: clamp(2.4rem, 4.9vw, 5rem);
}

.mascot-copy .section-intro {
  color: rgba(255, 255, 255, 0.8);
}

.mascot-quote {
  max-width: 470px;
  margin: 36px 0 0;
  padding-left: 15px;
  border-left: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  font-size: 13px;
  line-height: 1.8;
}

.mascot-stage {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  background:
    radial-gradient(circle at 52% 42%, rgba(255, 255, 255, 0.7), transparent 15rem),
    var(--orange-pale);
}

.mascot-stage::after {
  position: absolute;
  right: 14%;
  bottom: 12%;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(232, 80, 2, 0.28);
  border-radius: 50%;
  content: "";
}

.mascot-stage img {
  position: absolute;
  right: 4%;
  bottom: -5%;
  z-index: 1;
  width: 94%;
  max-width: 600px;
  filter: drop-shadow(0 20px 16px rgba(78, 36, 8, 0.18));
  transform: rotate(-2deg);
}

.feature-section {
  padding-top: clamp(76px, 10vw, 126px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 58px;
  border-top: 1px solid var(--ink);
}

.feature-item {
  min-height: 210px;
  padding: 24px 26px 26px 0;
  border-bottom: 1px solid var(--line);
}

.feature-item + .feature-item {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.feature-index {
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 700;
}

.feature-item h3 {
  margin: 39px 0 10px;
  font-size: 21px;
  font-weight: 740;
  letter-spacing: -0.045em;
}

.feature-item p {
  max-width: 300px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.closing {
  padding: clamp(110px, 17vw, 220px) 0;
  text-align: center;
}

.closing .section-heading {
  max-width: 820px;
  margin-right: auto;
  margin-left: auto;
}

.closing .section-intro {
  margin-right: auto;
  margin-left: auto;
}

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

.site-footer {
  padding: 31px 0 42px;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  margin: 9px 0 0;
  font-size: 25px;
  font-weight: 770;
  letter-spacing: -0.07em;
}

.footer-slogan {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 670;
}

.footer-lower {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 30px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--soft-muted);
  font-size: 10px;
  line-height: 1.6;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.notice-dialog {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(23, 21, 19, 0.2);
  backdrop-filter: blur(8px);
}

.notice-dialog.hidden {
  display: none;
}

.notice-card {
  width: min(100%, 390px);
  padding: 29px;
  border-radius: 24px;
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(23, 21, 19, 0.2);
}

.notice-card h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.05em;
}

.notice-card p {
  margin: 12px 0 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.notice-card .button {
  width: 100%;
}

@media (max-width: 850px) {
  .container {
    width: min(calc(100% - 36px), 680px);
  }

  .header-inner {
    min-height: 68px;
    gap: 16px;
    min-width: 0;
    position: relative;
  }

  .site-nav {
    display: none !important;
  }

  .lang-toggle {
    display: flex !important;
    position: absolute;
    top: 50%;
    right: 0;
    margin-left: 0;
    flex-shrink: 0;
    transform: translateY(-50%);
    width: 42px;
    height: 34px;
    padding: 0;
    background: var(--paper);
  }

  .lang-toggle:hover {
    transform: translateY(calc(-50% - 1px));
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 36px;
    padding-top: 78px;
  }

  .hero h1 {
    max-width: 560px;
    font-size: clamp(3.45rem, 14vw, 6.5rem);
  }

  .hero-visual {
    min-height: 570px;
  }

  .hero-visual::before {
    right: 7%;
    width: min(72vw, 450px);
    height: min(72vw, 450px);
  }

  .hero-phone {
    right: 12%;
    width: min(63%, 340px);
  }

  .hero-mascot {
    left: 3%;
    width: min(40%, 190px);
  }

  .flow-section,
  .showcase-grid,
  .mascot-section {
    grid-template-columns: 1fr;
  }

  .showcase-copy {
    position: static;
  }

  .screen-collage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: 0;
    margin-top: 18px;
    padding-right: 0;
    padding-left: 0;
  }

  .mascot-stage {
    min-height: 380px;
  }

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

  .feature-item,
  .feature-item + .feature-item {
    min-height: 0;
    padding: 24px 0;
    border-left: 0;
  }

  .feature-item h3 {
    margin-top: 28px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 30px), 520px);
  }

  .brand-name small {
    display: none;
  }

  .hero {
    padding-top: 62px;
  }

  .hero h1 {
    margin-top: 22px;
    max-width: 100%;
    font-size: clamp(3rem, 14vw, 5.2rem);
    letter-spacing: -0.12em;
    overflow-wrap: anywhere;
  }

  .hero-lede {
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
    margin-top: 30px;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 470px;
  }

  .hero-phone {
    top: 1%;
    right: 4%;
    width: min(62%, 265px);
    border-radius: 31px;
  }

  .hero-phone img {
    border-radius: 24px;
  }

  .visual-label {
    top: 1%;
    left: 0;
    padding: 8px 10px;
    font-size: 9px;
  }

  .hero-mascot {
    bottom: 1%;
    left: -2%;
    width: 44%;
  }

  .mascot-caption {
    right: -40px;
    bottom: 11px;
    width: 92px;
    font-size: 9px;
  }

  .section {
    padding: 86px 0;
  }

  .section-heading {
    font-size: clamp(2.55rem, 13vw, 4.1rem);
  }

  .flow-section {
    gap: 42px;
  }

  .flow-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 11px;
  }

  .flow-mark {
    display: none;
  }

  .flow-item h3 {
    font-size: 19px;
  }

  .showcase-shell {
    padding: 25px 18px 32px;
    border-radius: 25px;
  }

  .showcase-copy .section-heading {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .screen-collage {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 8px 4px 18px;
  }

  .screen-card {
    border-radius: 18px;
  }

  .screen-card--primary,
  .screen-card--secondary,
  .screen-card--tertiary {
    transform: none;
  }

  .screen-card--secondary {
    transform: rotate(1.5deg);
  }

  .screen-card-head {
    min-height: 39px;
    padding: 0 10px;
    font-size: 8px;
  }

  .screen-card-caption {
    padding: 11px 10px 13px;
  }

  .screen-card-caption p {
    font-size: 8px;
  }

  .screen-card-caption h3 {
    font-size: 13px;
  }

  .mascot-copy {
    padding: 39px 25px 45px;
  }

  .mascot-copy .section-heading {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .mascot-stage {
    min-height: 295px;
  }

  .footer-main {
    flex-direction: column;
  }

  .footer-actions {
    gap: 16px;
  }

  .footer-lower {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}