:root {
  --paper: #f4f2ec;
  --paper-deep: #ebe8df;
  --ink: #14171d;
  --ink-soft: #515760;
  --ink-faint: #747a83;
  --navy: #061b3b;
  --blue: #1e67d8;
  --blue-soft: #dce9fb;
  --line: #d2cfc7;
  --white: #ffffff;
  --font-ui: "Yu Gothic UI", "Yu Gothic", "Hiragino Sans", "BIZ UDPGothic", Meiryo, sans-serif;
  --font-mincho: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "BIZ UDPMincho", serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --shell: 1240px;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(6, 27, 59, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 27, 59, .018) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

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

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  letter-spacing: -.055em;
  line-height: 1.12;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 20;
  padding: .7rem 1rem;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.section-space {
  padding-block: clamp(7rem, 12vw, 11rem);
}

.section-kicker,
.eyebrow,
.feature-number {
  margin-bottom: 1.4rem;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.4;
  text-transform: uppercase;
}

/* Header */
.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 242, 236, .92);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.brand-logo {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.logomark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.logotype {
  width: 174px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: .82rem;
  font-weight: 600;
}

.site-nav a {
  text-decoration: none;
  transition: color .2s ease;
}

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

.header-status {
  justify-self: end;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .06em;
}

/* Hero */
.hero {
  overflow: hidden;
  padding-block: clamp(5.5rem, 9vw, 9rem) clamp(7rem, 10vw, 10rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr);
  align-items: center;
  gap: clamp(3.5rem, 7vw, 7rem);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero h1 {
  max-width: 9ch;
  margin-bottom: 2rem;
  font-size: clamp(4rem, 8.2vw, 7.4rem);
  line-height: .99;
  letter-spacing: -.075em;
}

.hero-lead {
  max-width: 42rem;
  margin-bottom: 2.4rem;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.55vw, 1.26rem);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.1rem 1.5rem;
}

.hero-actions p {
  margin: 0;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.5;
}

.store-button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem 1.25rem;
  border: 1px solid var(--navy);
  border-radius: 5px;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  line-height: 1.15;
  text-decoration: none;
}

.store-button svg {
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  fill: currentColor;
}

.store-button small {
  display: block;
  margin-bottom: .2rem;
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .06em;
}

.store-button--disabled {
  cursor: default;
  opacity: .82;
}

.type-board {
  position: relative;
  min-height: 560px;
  padding: 1.35rem 1.7rem 1.6rem;
  overflow: hidden;
  border-radius: 28px 4px 28px 4px;
  color: var(--white);
  background: var(--navy);
  box-shadow: 22px 26px 0 var(--blue-soft);
}

.type-board::after {
  content: "Aa";
  position: absolute;
  right: -1.1rem;
  bottom: -5.8rem;
  color: rgba(255, 255, 255, .035);
  font-family: var(--font-mincho);
  font-size: 17rem;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.type-board-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
  color: rgba(255, 255, 255, .58);
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
}

.type-sample {
  min-height: 116px;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
}

.type-index,
.type-label {
  color: rgba(255, 255, 255, .5);
  font-family: var(--font-mono);
  font-size: .66rem;
}

.type-label {
  align-self: end;
  padding-bottom: 1rem;
}

.type-word {
  font-size: clamp(2.5rem, 4.5vw, 4.45rem);
  letter-spacing: -.08em;
  line-height: 1;
}

.type-sample--mincho .type-word {
  font-family: var(--font-mincho);
  font-weight: 700;
}

.type-sample--gothic .type-word {
  font-family: "Yu Gothic", "BIZ UDPGothic", sans-serif;
  font-weight: 700;
}

.type-sample--rounded .type-word {
  font-family: Meiryo, "Yu Gothic", sans-serif;
  font-weight: 700;
}

.type-sample--mono .type-word {
  color: #7eaff8;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -.06em;
}

/* Facts */
.facts {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, .3);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.facts-grid div {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 2rem;
  border-left: 1px solid var(--line);
}

.facts-grid div:last-child {
  border-right: 1px solid var(--line);
}

.facts-grid strong {
  margin-bottom: .25rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
}

.facts-grid span {
  color: var(--ink-faint);
  font-size: .8rem;
}

/* Statement */
.statement-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 4rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.statement-grid h2,
.section-heading h2,
.classification h2,
.requirements h2 {
  margin-bottom: 2rem;
  font-size: clamp(3.1rem, 6.8vw, 6.4rem);
  letter-spacing: -.075em;
}

.statement-copy {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 2;
}

.product-glimpse {
  position: relative;
}

.glimpse-window {
  aspect-ratio: 16 / 6.6;
  overflow: hidden;
  border: 1px solid #1f2b3e;
  border-radius: 4px;
  background: var(--navy);
  box-shadow: 0 30px 70px rgba(6, 27, 59, .16);
}

.glimpse-window img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.product-glimpse figcaption,
.feature-shot figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .85rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: .69rem;
  line-height: 1.5;
}

/* Feature chapters */
.features {
  padding-top: 1rem;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 4rem;
  padding-top: clamp(7rem, 12vw, 11rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  border-top: 1px solid var(--line);
}

.section-heading h2 {
  margin: 0;
}

.feature-story {
  display: grid;
  grid-template-columns: minmax(270px, .78fr) minmax(0, 1.5fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7.5rem);
  padding-block: clamp(5rem, 9vw, 8rem);
  border-top: 1px solid var(--line);
}

.feature-story:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-story--reverse .feature-copy {
  grid-column: 2;
}

.feature-story--reverse .feature-shot {
  grid-row: 1;
  grid-column: 1;
}

.feature-copy h3 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.2rem, 4.4vw, 4.25rem);
}

.feature-copy > p:not(.feature-number) {
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.95;
}

.feature-note {
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  color: var(--ink) !important;
  font-size: .9rem !important;
  line-height: 1.75 !important;
}

.plain-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.plain-list li {
  padding-block: .75rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .82rem;
}

.feature-shot {
  margin: 0;
}

.feature-shot img {
  width: 100%;
  border: 1px solid #c4c7cc;
  border-radius: 5px;
  background: var(--white);
  box-shadow: 0 24px 55px rgba(6, 27, 59, .12);
}

.feature-shot--accent {
  position: relative;
}

.feature-shot--accent::before {
  content: "";
  position: absolute;
  inset: -18px 22% 36% -18px;
  z-index: -1;
  background: var(--blue-soft);
}

/* Classification */
.classification {
  padding-bottom: clamp(7rem, 12vw, 11rem);
}

.classification-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(4rem, 9vw, 9rem);
  padding-top: clamp(7rem, 12vw, 11rem);
  border-top: 1px solid var(--line);
}

.classification h2 {
  margin: 0;
}

.classification-copy > p {
  margin-bottom: 1.7rem;
  color: var(--ink-soft);
  font-size: 1.06rem;
  line-height: 2;
}

.classification-steps {
  margin: 3.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.classification-steps li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.classification-steps span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: .72rem;
}

/* Privacy */
.privacy-band {
  border-block: 1px solid #b9cce8;
  background: var(--blue-soft);
}

.privacy-band-inner {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 4rem;
  padding-block: clamp(5rem, 8vw, 7rem);
}

.privacy-mark {
  margin: 0;
  color: rgba(30, 103, 216, .18);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -.08em;
  line-height: 1;
  writing-mode: vertical-rl;
}

.privacy-band h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(2.2rem, 4.8vw, 4.6rem);
}

.privacy-band p:not(.privacy-mark) {
  max-width: 44rem;
  margin-bottom: 1.6rem;
  color: #33445e;
}

.privacy-band a {
  color: #0e4fae;
  font-weight: 700;
}

/* Requirements */
.requirements-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(4rem, 9vw, 9rem);
}

.requirements h2 {
  font-size: clamp(3rem, 5.5vw, 5.3rem);
}

.spec-list {
  margin: 3.5rem 0 0;
  border-top: 1px solid var(--ink);
}

.requirements .spec-list {
  margin-top: 2.25rem;
}

.spec-list div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding-block: .9rem;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: .72rem;
}

.spec-list dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

.faq-list h3 {
  margin-bottom: 2rem;
  font-size: 1.6rem;
  letter-spacing: -.04em;
}

.faq-item {
  padding-block: 1.6rem;
  border-top: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-item h4 {
  margin-bottom: .65rem;
  font-size: 1.05rem;
  letter-spacing: -.025em;
}

.faq-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
}

/* Final chapter */
.final-cta {
  color: var(--white);
  background: var(--navy);
}

.final-cta-inner {
  position: relative;
  padding-block: clamp(7rem, 12vw, 11rem);
  overflow: hidden;
}

.final-cta-inner::after {
  content: "FP";
  position: absolute;
  right: -1.5rem;
  bottom: -5.5rem;
  color: rgba(255, 255, 255, .04);
  font-family: var(--font-ui);
  font-size: clamp(12rem, 34vw, 34rem);
  font-weight: 700;
  letter-spacing: -.14em;
  line-height: .8;
  pointer-events: none;
}

.final-cta .section-kicker {
  color: #7eaff8;
}

.final-cta h2 {
  position: relative;
  z-index: 1;
  max-width: 11ch;
  margin-bottom: 3rem;
  font-size: clamp(3.4rem, 7.6vw, 7.2rem);
  letter-spacing: -.075em;
}

.store-button--light {
  position: relative;
  z-index: 1;
  border-color: var(--white);
  color: var(--navy);
  background: var(--white);
  opacity: 1;
}

.site-footer {
  padding-block: 2.2rem;
  border-top: 1px solid rgba(255, 255, 255, .15);
  color: rgba(255, 255, 255, .68);
  background: var(--navy);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 2.5rem;
  font-size: .75rem;
}

.footer-inner p {
  margin: 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--white);
  font-weight: 700;
}

.footer-brand img {
  border-radius: 7px;
}

.site-footer a:hover {
  color: var(--white);
}

/* Legal page */
.legal-header-inner {
  grid-template-columns: 1fr auto;
}

.back-link {
  color: var(--ink-soft);
  font-size: .8rem;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover {
  color: var(--blue);
}

.legal-hero {
  padding-block: clamp(5rem, 9vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.legal-hero-inner {
  display: flex;
  align-items: flex-end;
}

.legal-hero h1 {
  max-width: 12em;
  font-size: clamp(3rem, 7vw, 6.4rem);
  letter-spacing: -.075em;
}

.legal-body {
  padding-block: clamp(5rem, 9vw, 8rem);
}

.legal-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-bottom: 2rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: .72rem;
}

.legal-body section {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 4rem;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.legal-body section:last-child {
  border-bottom: 1px solid var(--line);
}

.legal-body section > div {
  min-width: 0;
}

.legal-number {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
}

.legal-body h2 {
  margin-bottom: 1.4rem;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  letter-spacing: -.055em;
}

.legal-body section > div > p,
.legal-body li {
  max-width: 48rem;
  color: var(--ink-soft);
  line-height: 2;
}

.legal-body ul {
  max-width: 48rem;
  margin: 1.5rem 0;
  padding-left: 1.35rem;
}

.legal-body li + li {
  margin-top: .4rem;
}

.legal-body code {
  font-family: var(--font-mono);
  font-size: .85em;
  word-break: break-all;
}

.legal-table-wrap {
  width: 100%;
  max-width: 48rem;
  min-width: 0;
  margin: 1.5rem 0;
  overflow-x: auto;
}

.legal-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  color: var(--ink-soft);
  font-size: .9rem;
  line-height: 1.7;
  text-align: left;
}

.legal-table th,
.legal-table td {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  vertical-align: top;
}

.legal-table th {
  color: var(--ink);
  font-size: .76rem;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 1020px) {
  .site-nav {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

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

  .hero-copy {
    max-width: 760px;
  }

  .type-board {
    width: min(100%, 720px);
    min-height: 490px;
    justify-self: end;
  }

  .feature-story,
  .feature-story--reverse {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .feature-story--reverse .feature-copy,
  .feature-story--reverse .feature-shot {
    grid-row: auto;
    grid-column: auto;
  }

  .feature-copy {
    max-width: 650px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .section-space {
    padding-block: 6.5rem;
  }

  .site-header {
    backdrop-filter: none;
  }

  .header-inner {
    min-height: 70px;
  }

  .logotype {
    width: 145px;
  }

  .header-status {
    display: none;
  }

  .hero {
    padding-block: 4.5rem 6rem;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 17vw, 5.4rem);
  }

  .hero-lead br {
    display: none;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .type-board {
    min-height: 420px;
    padding: 1rem 1.1rem 1.3rem;
    border-radius: 20px 3px 20px 3px;
    box-shadow: 12px 14px 0 var(--blue-soft);
  }

  .type-sample {
    min-height: 89px;
    grid-template-columns: 26px 1fr auto;
    gap: .55rem;
  }

  .type-word {
    font-size: clamp(2.1rem, 11vw, 3.4rem);
  }

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

  .facts-grid div {
    min-height: 102px;
    padding: 1.2rem;
    border-bottom: 1px solid var(--line);
  }

  .facts-grid div:nth-child(2) {
    border-right: 1px solid var(--line);
  }

  .statement-grid,
  .section-heading,
  .classification-grid,
  .privacy-band-inner,
  .requirements-grid,
  .legal-body section {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .legal-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .statement-grid h2,
  .section-heading h2,
  .classification h2,
  .requirements h2 {
    font-size: clamp(2.8rem, 13vw, 4.4rem);
  }

  .glimpse-window {
    aspect-ratio: 16 / 9;
  }

  .product-glimpse figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: .25rem;
  }

  .section-heading {
    padding-top: 6.5rem;
  }

  .feature-story {
    padding-block: 5rem;
  }

  .feature-copy h3 {
    font-size: clamp(2.2rem, 11vw, 3.7rem);
  }

  .feature-shot figcaption {
    display: block;
  }

  .classification-grid {
    padding-top: 6.5rem;
  }

  .privacy-mark {
    display: none;
  }

  .spec-list div {
    grid-template-columns: 6rem 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-inner p {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}