:root {
  --of-ai: #1D2654;
  --of-aiMid: #3446A8;
  --of-washi: #F7F3EA;
  --of-surface: #FFFFFF;
  --of-kinari: #D6CAB2;
  --of-sumi: #1B1D24;
  --of-sumi2: #5A5E6B;
  --of-line: #DDD6C8;
  --of-shu: #B83A26;
  --of-disabled: #9B9EA8;
  --of-space-0: 0px;
  --of-space-1: 4px;
  --of-space-2: 8px;
  --of-space-3: 12px;
  --of-space-4: 16px;
  --of-space-5: 24px;
  --of-space-6: 32px;
  --of-space-7: 48px;
  --of-space-8: 64px;
  --of-radius-sm: 8px;
  --of-radius-md: 12px;
  --of-radius-lg: 20px;
  --of-font-display: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --of-font-text: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --of-ai: #11142A;
    --of-surface: #1B2042;
    --of-aiMid: #9AAEF5;
    --of-sumi: #EEEAE0;
    --of-sumi2: #A6ABC2;
    --of-line: #2C3360;
    --of-kinari: #7F90E0;
    --of-shu: #F08A70;
    --of-disabled: #5E6382;
  }
}
:root {
  color-scheme: light dark;
  --color-bg: #F7F3EA;              
  --color-surface: #FFFDF8;         
  --color-field: #EEE9DE;           
  --color-chip: #E4E2E3;            
  --color-text: #1B1D24;            
  --color-text-muted: #5A5E6B;      
  --color-heading: #1B1D24;         
  --color-border: #E2DBCC;          
  --color-wave: #CEC5B2;            
  --color-accent: #3446A8;          
  --color-accent-hover: #1D2654;
  --color-focus: #3446A8;
  --color-on-accent: #F7F3EA;
  --color-brand: #1D2654;           
  --color-on-brand: #F7F3EA;        
  --color-on-brand-muted: #C1C0C5;  
  --color-band: #1D2654;            
  --color-band-ink: #F7F3EA;        
  --color-band-muted: #C1C0C5;
  --color-band-eyebrow: #F08A70;    
  --color-mark-ground: #1D2654;     
  --color-bezel: #17191F;           
  --shadow: 0 24px 60px rgba(29, 38, 84, 0.16);
  --color-placeholder-bg: #FFF1C7;
  --color-placeholder-text: #5C4200;
  --font-display: var(--of-font-display);
  --font-sans: var(--of-font-text);
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --text-xs: 0.8125rem;                           
  --text-sm: 0.9375rem;                           
  --text-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);   
  --text-lead: clamp(1.0625rem, 0.95rem + 0.45vw, 1.25rem);  
  --text-h3: 1.25rem;
  --text-h2: clamp(2.25rem, 1.6rem + 2.2vw, 3.25rem);        
  --text-h2-ja: clamp(1.875rem, 1.45rem + 1.5vw, 2.625rem);  
  --text-band: clamp(2.5rem, 1.7rem + 2.8vw, 4rem);          
  --text-h1: clamp(3.125rem, 2.1rem + 3.6vw, 5rem);          
  --text-h1-ja: clamp(2.75rem, 1.95rem + 2.8vw, 4.25rem);    
  --leading-display: 1.15;
  --leading-body: 1.6;
  --leading-body-ja: 1.9;
  --space-1: var(--of-space-1);
  --space-2: var(--of-space-2);
  --space-3: var(--of-space-3);
  --space-4: var(--of-space-4);
  --space-6: var(--of-space-5);
  --space-8: var(--of-space-6);
  --space-12: var(--of-space-7);
  --space-16: var(--of-space-8);
  --radius-sm: var(--of-radius-sm);
  --radius-md: var(--of-radius-md);
  --radius-lg: var(--of-radius-lg);
  --page-max: 70rem;      
  --gutter: 2rem;         
  --measure: 45rem;       
  --section-y: 5.5rem;    
  --focus-ring: 3px solid var(--color-focus);
}
@media (max-width: 40rem) {
  :root {
    --gutter: 1.25rem;
    --section-y: 4rem;
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #11142A;
    --color-surface: #1A1E3C;
    --color-field: #1F2448;
    --color-chip: #242A46;          
    --color-text: #EEEAE0;
    --color-text-muted: #A6ABC2;
    --color-heading: #EEEAE0;
    --color-border: #262B52;
    --color-wave: #3A4070;
    --color-accent: #9AAEF5;
    --color-accent-hover: #EEEAE0;
    --color-focus: #9AAEF5;
    --color-on-accent: #11142A;
    --color-brand: #EEEAE0;         
    --color-on-brand: #11142A;
    --color-on-brand-muted: #48495A;
    --color-band: #1F2448;          
    --color-band-ink: #EEEAE0;
    --color-band-muted: #A6ABC2;
    --color-band-eyebrow: #F08A70;
    --color-mark-ground: #1D2654;
    --color-bezel: #05060C;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    --color-placeholder-bg: #3D3010;
    --color-placeholder-text: #FFE39A;
  }
}
@font-face {
  font-family: "Zen Old Mincho";
  src: url("/assets/fonts/zen-old-mincho-600.c8d71e91da.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  overflow-wrap: anywhere;
}
html:lang(ja) body {
  line-height: var(--leading-body-ja);
  overflow-wrap: break-word;
  line-break: strict;
}
html:lang(ja) :is(h1, h2, h3, .display, summary, .lead, .btn, .buy p, .promises p, .facts p) {
  word-break: auto-phrase;
}
img,
svg {
  max-width: 100%;
}
img {
  height: auto;
}
a {
  color: var(--color-accent);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--color-accent-hover);
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
h1,
h2,
h3,
.display {
  color: var(--color-heading);
  line-height: var(--leading-display);
  margin: 0 0 var(--space-4);
  text-wrap: balance;
}
h1,
h2,
.display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.005em;
}
h1 {
  font-size: var(--text-h1);
}
html:lang(ja) h1 {
  font-size: var(--text-h1-ja);
}
h2 {
  font-size: var(--text-h2);
}
html:lang(ja) h2 {
  font-size: var(--text-h2-ja);
}
h3 {
  font-size: var(--text-h3);
  font-weight: 700;
}
p,
ul,
ol,
dl,
table {
  margin: 0 0 var(--space-4);
}
ul,
ol {
  padding-inline-start: 1.4em;
}
li + li {
  margin-top: var(--space-2);
}
code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--color-field);
  border-radius: 4px;
  padding: 0 0.3em;
}
.icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 20;
  padding: var(--space-2) var(--space-4);
  background: var(--color-brand);
  color: var(--color-on-brand);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-4);
  color: var(--color-on-brand);
}
main:focus {
  outline: none;
}
.header-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 5rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-right: auto;
}
.logo {
  gap: 10px;
  color: var(--color-heading);
  text-decoration: none;
}
.logo:hover {
  color: var(--color-heading);
}
.mark {
  display: block;
  flex: none;
  line-height: 0;
}
.mark img,
.app-icon img {
  display: block;
  border-radius: 22.5%;
  background: var(--color-mark-ground);
}
.logo--header .mark img {
  width: 30px;
  height: 30px;
}
.logo--footer .mark img {
  width: 26px;
  height: 26px;
}
.logo__name {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: 0;
}
.logo--footer .logo__name {
  font-size: 1.25rem;
}
.site-nav ul,
.footer-nav ul {
  display: flex;
  gap: var(--space-1) var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav li + li,
.footer-nav li + li {
  margin-top: 0;
}
.site-nav a,
.footer-nav a {
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-3);
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.site-nav a:hover,
.footer-nav a:hover {
  color: var(--color-text);
  background: var(--color-field);
}
.site-nav a[aria-current] {
  color: var(--color-text);
  font-weight: 600;
}
.lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px 4px 4px 10px;
  border-radius: 999px;
  background: var(--color-field);
  color: var(--color-text-muted);
}
.lang .icon--globe {
  width: 1.125rem;
  height: 1.125rem;
  margin-right: 4px;
}
.lang a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 36px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.lang a:hover {
  color: var(--color-text);
}
.lang a[aria-current] {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--space-6);
  font-size: 1rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.btn--brand {
  background: var(--color-brand);
  color: var(--color-on-brand);
}
.btn--brand:hover {
  color: var(--color-on-brand);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}
@media (max-width: 52rem) {
  .site-nav,
  .get-app {
    display: none;
  }
  .header-row {
    min-height: 4.5rem;
    gap: var(--space-3);
  }
}
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0;
  margin-top: var(--section-y);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4) var(--space-6);
}
.footer-row .logo {
  margin-right: 0;
}
.footer-row .lang {
  justify-self: end;
}
.footer-note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--text-xs);
}
@media (max-width: 52rem) {
  .footer-row {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .footer-row .lang {
    justify-self: start;
  }
  .footer-nav ul {
    margin-left: calc(-1 * var(--space-3));
  }
}
.section {
  padding: var(--section-y) 0;
}
.eyebrow {
  display: block;
  margin: 0 0 var(--space-3);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-chip);
}
.lead {
  color: var(--color-text-muted);
  font-size: var(--text-lead);
  max-width: 36rem;
}
.muted {
  color: var(--color-text-muted);
}
.small {
  font-size: var(--text-sm);
}
.badge {
  display: inline-flex;
  border-radius: 10px;
}
.badge img {
  display: block;
  height: 50px;
  width: auto;
}
.badge-soon {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 var(--space-6);
  border-radius: 12px;
  border: 1px dashed var(--color-text-muted);
  color: var(--color-text);
  font-weight: 600;
}
.buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  margin-top: var(--space-8);
}
.buy p {
  margin: 0;
  max-width: 19rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.device {
  background: var(--color-bezel);
  box-shadow: var(--shadow);
}
.device img {
  display: block;
  width: 100%;
}
.device--phone {
  width: min(300px, 78vw);
  padding: 10px;
  border-radius: 50px;
}
.device--phone img {
  border-radius: 40px;
}
.device--tablet {
  width: min(540px, 100%);
  padding: 12px;
  border-radius: 36px;
}
.device--tablet img {
  border-radius: 24px;
}
.wave {
  display: block;
  width: 100%;
  color: var(--color-wave);
  pointer-events: none;
}
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-8) 0 var(--space-12);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: var(--space-8);
}
.hero h1 {
  margin-bottom: var(--space-6);
}
.hero-media {
  position: relative;
  min-height: 760px;
}
.hero-media .device--tablet {
  position: absolute;
  right: -40px;
  top: 0;
}
.hero-media .device--phone {
  position: absolute;
  left: -10px;
  bottom: 0;
  width: 240px;
  padding: 8px;
  border-radius: 42px;
}
.hero-media .device--phone img {
  border-radius: 34px;
}
.wave--hero {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 40px;
  height: 120px;
  z-index: 0;
}
@media (max-width: 60rem) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-media {
    min-height: 0;
    display: flex;
    justify-content: center;
    padding-bottom: var(--space-8);
  }
  .hero-media .device--tablet {
    display: none;
  }
  .hero-media .device--phone {
    position: static;
    width: min(300px, 78vw);
    padding: 10px;
    border-radius: 50px;
  }
  .hero-media .device--phone img {
    border-radius: 40px;
  }
  .wave--hero {
    bottom: 22%;
  }
}
.promises {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.promises li {
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-8) var(--space-6);
}
.promises li + li {
  border-left: 1px solid var(--color-border);
}
.promises .icon {
  color: var(--color-accent);
  margin-top: 2px;
}
.promises h3 {
  font-size: 1.0625rem;
  margin: 0 0 var(--space-1);
}
.promises p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
@media (max-width: 52rem) {
  .promises {
    grid-template-columns: 1fr;
  }
  .promises li {
    padding: var(--space-6) 0;
  }
  .promises li + li {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }
}
.story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-12);
  padding: var(--section-y) 0;
}
.story-media {
  display: flex;
  justify-content: center;
}
.story--flip .story-media {
  order: -1;
}
.story p:not(.eyebrow) {
  color: var(--color-text-muted);
  font-size: var(--text-lead);
  max-width: 30rem;
}
@media (max-width: 52rem) {
  .story {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .story--flip .story-media {
    order: 0;
  }
}
.band {
  background: var(--color-band);
  color: var(--color-band-ink);
}
.band .story h2 {
  color: var(--color-band-ink);
  font-size: var(--text-band);
}
.band .story p:not(.eyebrow) {
  color: var(--color-band-muted);
}
.band .eyebrow {
  color: var(--color-band-eyebrow);
}
.pricing h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}
.plans {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 54rem;
  margin: 0 auto;
}
.plan {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.plan__label {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}
.plan__amount {
  margin: 0;
  font-size: clamp(2.5rem, 2rem + 1.6vw, 3.25rem);
  line-height: 1.1;
}
.plan__unit {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 0.25em;
}
.plan__sub {
  margin: var(--space-1) 0 var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.plan ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
}
.plan li {
  display: flex;
  gap: var(--space-3);
  font-size: 1rem;
}
.plan > p.muted {
  font-size: 1rem;
}
.plan--pro .plan__amount {
  margin-bottom: var(--space-6);
}
.plan li .icon {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.3em;
}
.plan__note {
  margin: 0;
  font-size: var(--text-xs);
}
.plan--pro {
  background: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--color-on-brand);
}
.plan--pro .plan__amount,
.plan--pro li {
  color: var(--color-on-brand);
}
.plan--pro .plan__label,
.plan--pro .plan__unit,
.plan--pro .plan__note,
.plan--pro .icon {
  color: var(--color-on-brand-muted);
}
@media (max-width: 52rem) {
  .plans {
    grid-template-columns: 1fr;
  }
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-12);
  align-items: start;
}
.split > div > h2 {
  margin-bottom: var(--space-4);
}
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 44px;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.arrow-link .icon,
.more .icon {
  width: 1rem;
  height: 1rem;
}
.facts {
  list-style: none;
  margin: 0;
  padding: 0;
}
.facts li {
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}
.facts li:first-child {
  padding-top: 0;
}
.facts .icon {
  color: var(--color-accent);
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2em;
}
.facts h3 {
  font-size: 1.0625rem;
  margin: 0 0 var(--space-1);
}
.facts p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.section-rule {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 0;
}
@media (max-width: 52rem) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}
.gcards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}
.gcard {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color 120ms ease;
}
.gcards li + li {
  margin-top: 0;
}
.gcard:hover {
  border-color: var(--color-accent);
}
.gcard h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-3);
  text-wrap: pretty;
}
.gcard h3 a {
  color: var(--color-heading);
  text-decoration: none;
}
.gcard h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
}
.gcard h3 a:focus-visible {
  outline: none;
}
.gcard:has(a:focus-visible) {
  outline: var(--focus-ring);
  outline-offset: 3px;
}
.gcard p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}
.gcard .more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: auto;
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
}
@media (max-width: 60rem) {
  .gcards {
    grid-template-columns: 1fr;
  }
}
.guides-head h2 {
  margin-bottom: var(--space-8);
}
.faq details {
  border-bottom: 1px solid var(--color-border);
}
.faq details:first-of-type {
  border-top: 1px solid var(--color-border);
}
.faq summary {
  position: relative;
  display: block;
  min-height: 44px;
  padding: var(--space-4) var(--space-12) var(--space-4) 0;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: var(--space-2);
  top: var(--space-3);
  color: var(--color-text-muted);
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.4;
}
.faq details[open] > summary::after {
  content: "−";
}
.faq summary:hover {
  color: var(--color-accent);
}
.faq > div > p.small {
  margin-top: var(--space-4);
}
.faq details > p {
  margin: 0 0 var(--space-6);
  padding-right: var(--space-12);
  color: var(--color-text-muted);
}
.closing {
  position: relative;
  text-align: center;
  padding: var(--section-y) 0 0;
}
.closing .app-icon {
  display: block;
  width: 72px;
  margin: 0 auto var(--space-6);
}
.closing h2 {
  margin-bottom: var(--space-8);
}
.closing .badge,
.closing .badge-soon {
  position: relative;
  z-index: 1;
}
.wave--end {
  height: 120px;
  margin-top: calc(-1 * var(--space-4));
}
.layout-home .site-footer {
  margin-top: 0;
}
.article-col {
  max-width: var(--measure);
  margin: 0 auto;
  padding-top: var(--space-12);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
}
.breadcrumb li + li {
  margin-top: 0;
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-text-muted);
  font-weight: 400;
}
.breadcrumb a {
  text-decoration: none;
}
.article h1 {
  font-size: clamp(2.25rem, 1.7rem + 2vw, 3.25rem);
  margin-bottom: var(--space-3);
}
html:lang(ja) .article h1 {
  font-size: clamp(2rem, 1.55rem + 1.6vw, 2.75rem);
}
.article h2 {
  font-size: clamp(1.625rem, 1.4rem + 0.8vw, 2rem);
  margin-top: var(--space-12);
}
html:lang(ja) .article h2 {
  font-size: clamp(1.5rem, 1.3rem + 0.7vw, 1.75rem);
}
.article h3 {
  margin-top: var(--space-8);
}
.article .meta {
  margin: 0 0 var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.article .lead {
  max-width: none;
}
.wave--rule {
  height: 40px;
  margin: var(--space-8) 0 var(--space-4);
}
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}
.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.75rem;
  margin-top: var(--space-4);
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-chip);
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--text-xs);
  display: grid;
  place-items: center;
}
.figure {
  margin: var(--space-12) 0;
  text-align: center;
}
.figure .device {
  margin: 0 auto;
}
.figure figcaption {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.note {
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
}
.note > :last-child {
  margin-bottom: 0;
}
.table-scroll {
  overflow-x: auto;
  margin: var(--space-6) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: var(--text-sm);
}
caption {
  text-align: start;
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
}
th,
td {
  text-align: start;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  vertical-align: top;
}
.article .faq summary {
  font-weight: 600;
}
.article .faq details > :not(summary) {
  color: var(--color-text);
}
.cta-card {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-16);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.cta-card .app-icon {
  flex: none;
  line-height: 0;
}
.cta-card__text {
  flex: 1;
}
.cta-card__text p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.cta-card .cta-card__title {
  margin: 0 0 var(--space-1);
  color: var(--color-heading);
  font-size: 1.5rem;
}
@media (max-width: 40rem) {
  .cta-card {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6);
  }
}
.more-guides {
  padding-top: var(--section-y);
}
.more-guides h2 {
  font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem);
  margin-bottom: var(--space-6);
}
.index-page h1 {
  margin-bottom: var(--space-4);
}
.index-page .lead {
  margin-bottom: var(--space-12);
}
.ph {
  background: var(--color-placeholder-bg);
  color: var(--color-placeholder-text);
  border-radius: 4px;
  padding: 0 0.3em;
  font-family: var(--font-mono);
  font-size: 0.92em;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  .site-header,
  .site-footer,
  .skip-link,
  .cta-card,
  .wave {
    display: none;
  }
}