@charset "UTF-8";

:root {
  color-scheme: light dark;
  --background: #f7f7f5;
  --surface: #ffffff;
  --surface-raised: #fbfbfa;
  --text-primary: #171816;
  --text-secondary: #62645e;
  --text-inverse: #f9faf7;
  --border: #dedfd9;
  --border-strong: #c9cbc4;
  --accent: #1f5545;
  --accent-hover: #174437;
  --accent-soft: #e2eee8;
  --accent-warm: #ee7358;
  --focus: #2f7b64;
  --shadow: 0 24px 70px rgba(31, 39, 35, 0.08);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --container-width: 1160px;
  --header-height: 68px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", YuGothic, "Noto Sans JP", sans-serif;
}

[data-theme="dark"] {
  --background: #101210;
  --surface: #171a18;
  --surface-raised: #1c201d;
  --text-primary: #f2f3ef;
  --text-secondary: #a9ada5;
  --text-inverse: #101210;
  --border: #30342f;
  --border-strong: #444a43;
  --accent: #8dcbb6;
  --accent-hover: #a8dbc9;
  --accent-soft: #203a31;
  --accent-warm: #f28b72;
  --focus: #94d8c0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--background); color: var(--text-primary); font-family: var(--font-sans); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: 4px; }
::selection { background: var(--accent-soft); color: var(--text-primary); }

.skip-link { position: fixed; z-index: 999; top: 8px; left: 8px; transform: translateY(-150%); padding: 10px 16px; border-radius: 8px; background: var(--text-primary); color: var(--background); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 40px), var(--container-width)); margin-inline: auto; }
.section { padding: 112px 0; }
.section-muted { background: var(--surface); border-block: 1px solid var(--border); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .14em; line-height: 1.4; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.18; letter-spacing: -.04em; }
h1 { margin-bottom: 28px; font-size: clamp(3.25rem, 8.4vw, 7.5rem); font-weight: 680; }
h1 span { color: var(--accent); }
h2 { margin-bottom: 24px; font-size: clamp(2rem, 4vw, 3.7rem); font-weight: 650; }
h3 { margin-bottom: 16px; font-size: clamp(1.65rem, 2.4vw, 2.5rem); }
p { margin-top: 0; }

.site-header { position: sticky; z-index: 100; top: 0; min-height: var(--header-height); border-bottom: 1px solid color-mix(in srgb, var(--border) 78%, transparent); background: color-mix(in srgb, var(--background) 86%, transparent); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.header-inner { display: flex; align-items: center; min-height: var(--header-height); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: .92rem; font-weight: 700; letter-spacing: -.01em; text-decoration: none; }
.brand-mark { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 9px; background: var(--text-primary); color: var(--background); font-size: .78rem; font-weight: 800; }
.site-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.site-nav a { color: var(--text-secondary); font-size: .84rem; font-weight: 600; text-decoration: none; transition: color .2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text-primary); }
.header-actions { display: flex; align-items: center; gap: 6px; margin-left: 28px; order: 3; }
.icon-button { display: grid; width: 38px; height: 38px; padding: 0; place-items: center; border: 1px solid transparent; border-radius: 50%; background: transparent; color: var(--text-primary); cursor: pointer; }
.icon-button:hover { background: var(--surface); border-color: var(--border); }
.menu-toggle { display: none; gap: 4px; }
.menu-toggle span { display: block; width: 17px; height: 1.5px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-5.5px) rotate(-45deg); }

.hero { min-height: calc(100svh - var(--header-height)); display: grid; align-items: center; padding: 80px 0 92px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); align-items: center; gap: 70px; }
.hero-lead { max-width: 570px; margin-bottom: 38px; color: var(--text-secondary); font-size: clamp(1.08rem, 1.7vw, 1.35rem); }
.hero-object { display: flex; justify-content: center; }
.app-icon-stage { position: relative; display: grid; width: min(100%, 390px); aspect-ratio: 4 / 5; place-items: center; overflow: hidden; border: 1px solid var(--border); border-radius: 42px; background: var(--surface); box-shadow: var(--shadow); }
.app-icon-stage::before { position: absolute; width: 210px; height: 210px; border: 1px solid var(--border); border-radius: 50%; content: ""; }
.app-icon-stage img { position: relative; z-index: 1; border-radius: 38px; box-shadow: 0 14px 40px rgba(20, 45, 37, .16); }
.brand-stage-mark { position: relative; z-index: 1; display: grid; width: 150px; height: 150px; place-items: center; border-radius: 38px; background: var(--text); color: var(--background); font-size: 4.5rem; font-weight: 800; box-shadow: 0 14px 40px rgba(20, 45, 37, .16); }
.stage-label { position: absolute; bottom: 27px; color: var(--text-secondary); font-size: .64rem; font-weight: 700; letter-spacing: .2em; }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; font-size: .9rem; font-weight: 700; line-height: 1.2; text-decoration: none; transition: background-color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--text-primary); color: var(--background); }
.button-primary:hover { background: var(--accent); color: var(--text-inverse); }
.button-secondary { border-color: var(--border-strong); background: transparent; color: var(--text-primary); }
.button-secondary:hover { border-color: var(--text-primary); }
.button-light { background: #f8faf7; color: #17251f; }
.button-light:hover { background: #ffffff; }
.button.is-placeholder { opacity: .62; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.text-link { color: var(--accent); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 50px; margin-bottom: 54px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 470px; margin: 0 0 4px auto; color: var(--text-secondary); }
.app-catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 330px)); gap: 18px; }
.app-select-card { display: block; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-decoration: none; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.app-select-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-3px); }
.app-select-card:focus-visible { border-color: var(--focus); }
.app-select-visual { position: relative; display: grid; aspect-ratio: 16 / 10; place-items: center; overflow: hidden; border-bottom: 1px solid var(--border); background: var(--accent-soft); }
.app-select-visual::before { position: absolute; width: 190px; height: 190px; border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent); border-radius: 50%; content: ""; }
.app-select-visual img { position: relative; z-index: 1; border-radius: 25px; box-shadow: 0 13px 35px rgba(24, 58, 47, .18); }
.app-select-content { padding: 27px 28px 30px; }
.app-select-content h3 { margin-bottom: 10px; font-size: 1.65rem; }
.app-select-content > p:not(.tag) { margin-bottom: 26px; color: var(--text-secondary); }
.app-select-action { color: var(--accent); font-size: .9rem; font-weight: 700; }
.empty-state { max-width: 720px; padding: clamp(32px, 6vw, 60px); border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.empty-state h2, .empty-state h3 { margin-bottom: 12px; }
.empty-state > :last-child { margin-bottom: 0; color: var(--text-secondary); }
.tag { display: inline-flex; margin-bottom: 25px; padding: 7px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .72rem; font-weight: 700; }
.message-grid { display: grid; grid-template-columns: .6fr 1.4fr; gap: 70px; }
.message-grid > div { max-width: 700px; }
.message-grid p:not(.eyebrow) { margin-bottom: 30px; color: var(--text-secondary); font-size: 1.08rem; }
.support-panel { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; padding: clamp(34px, 6vw, 70px); border-radius: var(--radius-lg); background: #193f34; color: #f6faf7; }
.support-panel .eyebrow { color: #9ed1bf; }
.support-panel h2 { margin-bottom: 14px; }
.support-panel p:not(.eyebrow) { margin-bottom: 0; color: #c6d9d2; }

.site-footer { padding: 76px 0 30px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding-bottom: 65px; }
.footer-brand { margin-bottom: 16px; }
.footer-grid p { color: var(--text-secondary); font-size: .9rem; }
.footer-grid nav { display: grid; grid-template-columns: repeat(2, minmax(100px, 1fr)); gap: 15px 30px; justify-self: end; width: min(100%, 350px); }
.footer-grid nav a { color: var(--text-secondary); font-size: .88rem; text-decoration: none; }
.footer-grid nav a:hover { color: var(--text-primary); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 26px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: .75rem; }
.footer-bottom p { margin: 0; }

.reveal { animation: reveal .7s cubic-bezier(.22,1,.36,1) both; }
.reveal-delay { animation-delay: .12s; }
@keyframes reveal { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --background: #101210; --surface: #171a18; --surface-raised: #1c201d; --text-primary: #f2f3ef; --text-secondary: #a9ada5; --text-inverse: #101210; --border: #30342f; --border-strong: #444a43; --accent: #8dcbb6; --accent-hover: #a8dbc9; --accent-soft: #203a31; --accent-warm: #f28b72; --focus: #94d8c0; --shadow: 0 24px 70px rgba(0,0,0,.28);
  }
}

@media (max-width: 820px) {
  :root { --header-height: 62px; }
  .container { width: min(calc(100% - 32px), var(--container-width)); }
  .section { padding: 80px 0; }
  .header-inner { flex-wrap: wrap; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: grid; }
  .site-nav { display: none; order: 4; width: 100%; margin: 0; padding: 10px 0 18px; border-top: 1px solid var(--border); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 8px 2px; font-size: 1rem; }
  .hero { min-height: auto; padding: 76px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-inline: auto; }
  .app-icon-stage { width: min(82vw, 350px); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .section-heading > p { margin-left: 0; }
  .app-feature-card { grid-template-columns: 1fr; }
  .app-feature-visual { min-height: 310px; }
  .message-grid { grid-template-columns: 1fr; gap: 24px; }
  .support-panel { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--container-width)); }
  .brand { font-size: .84rem; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hero { padding: 64px 0 70px; }
  .app-icon-stage img { width: 138px; }
  .section { padding: 68px 0; }
  .app-feature-content { padding: 34px 24px 38px; }
  .button-row { align-items: stretch; flex-direction: column; }
  .button-row .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; padding-bottom: 42px; }
  .footer-grid nav { justify-self: start; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Subpages */
.page-hero { padding: 92px 0 72px; }
.page-hero-inner { max-width: 780px; }
.page-hero h1 { margin-bottom: 24px; color: var(--text-primary); font-size: clamp(2.8rem, 6vw, 5.6rem); font-weight: 800; letter-spacing: -.025em; }
.page-hero p:not(.eyebrow) { max-width: 680px; color: color-mix(in srgb, var(--text-primary) 82%, var(--background)); font-size: clamp(1.05rem, 1.8vw, 1.25rem); font-weight: 500; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; color: var(--text-secondary); font-size: .78rem; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--text-primary); }
.content-shell { width: min(calc(100% - 40px), 840px); margin-inline: auto; }
.prose { font-size: 1rem; }
.prose h2 { margin: 72px 0 22px; padding-top: 4px; font-size: clamp(1.55rem, 2.6vw, 2.2rem); letter-spacing: -.025em; }
.prose h3 { margin: 34px 0 12px; font-size: 1.2rem; letter-spacing: -.015em; }
.prose p, .prose li { color: var(--text-secondary); }
.prose ul { padding-left: 1.25em; }
.prose li + li { margin-top: 6px; }
.prose a { color: var(--accent); }
.prose a.button-primary { color: var(--background); }
.prose a.button-primary:hover { color: var(--text-inverse); }
.notice { margin: 30px 0; padding: 20px 22px; border: 1px solid var(--border); border-left: 4px solid var(--accent-warm); border-radius: var(--radius-sm); background: var(--surface); }
.notice strong { display: block; margin-bottom: 4px; color: var(--text-primary); }
.notice p { margin-bottom: 0; }
.meta-line { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 36px; color: var(--text-secondary); font-size: .82rem; }

.app-hero { padding: 90px 0 110px; }
.app-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); align-items: center; gap: 80px; }
.app-identity { display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.app-identity img { width: 76px; border-radius: 19px; box-shadow: 0 8px 24px rgba(20,45,37,.14); }
.app-identity span { color: var(--text-secondary); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.app-hero h1 { margin-bottom: 24px; font-size: clamp(3rem, 6.6vw, 6rem); }
.app-hero .hero-lead { margin-bottom: 34px; }
.phone-frame { width: min(100%, 320px); margin-inline: auto; padding: 14px; border: 1px solid var(--border-strong); border-radius: 48px; background: var(--text-primary); box-shadow: var(--shadow); }
.phone-screen { display: grid; aspect-ratio: 9 / 18.5; place-items: center; overflow: hidden; border-radius: 36px; background: var(--accent-soft); color: var(--accent); text-align: center; }
.phone-screen > img { width: 100%; height: 100%; object-fit: cover; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-card { min-height: 0; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.feature-card-media { aspect-ratio: 4 / 3; margin: 0; overflow: hidden; border-bottom: 1px solid var(--border); background: var(--accent-soft); }
.feature-card-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-card-content { padding: 30px 34px 34px; }
.feature-number { display: block; margin-bottom: 24px; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .1em; }
.feature-card h3 { margin-bottom: 10px; font-size: 1.35rem; }
.feature-card p { margin: 0; color: var(--text-secondary); }
.verification-badge { display: inline-flex; margin-top: 16px; padding: 4px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-secondary); font-size: .68rem; font-weight: 700; }
.screenshots-track { display: grid; grid-auto-columns: minmax(230px, 29%); grid-auto-flow: column; gap: 18px; overflow-x: auto; padding: 4px 4px 24px; scroll-snap-type: x mandatory; scrollbar-color: var(--border-strong) transparent; }
.screenshot-item { margin: 0; scroll-snap-align: start; }
.screenshot-item img { width: 100%; aspect-ratio: 1242 / 2688; object-fit: cover; border: 1px solid var(--border); border-radius: 28px; background: var(--surface); box-shadow: 0 16px 44px rgba(20, 45, 37, .1); }
.screenshot-item figcaption { padding: 14px 8px 0; color: var(--text-secondary); font-size: .82rem; font-weight: 600; text-align: center; }
.link-panels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.link-panel { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; min-height: 240px; padding: 38px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.link-panel:hover { border-color: var(--accent); transform: translateY(-2px); }
.link-panel h3 { margin-bottom: 8px; }
.link-panel p { margin: 0; color: var(--text-secondary); }
.link-panel > span { color: var(--accent); font-size: 1.5rem; }

.support-list { display: grid; gap: 16px; }
.support-app-card { display: flex; align-items: center; gap: 22px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); text-decoration: none; transition: border-color .2s ease; }
.support-app-card:hover { border-color: var(--accent); }
.support-app-card img { width: 68px; border-radius: 17px; }
.support-app-card div { flex: 1; }
.support-app-card h2 { margin: 0 0 5px; font-size: 1.25rem; }
.support-app-card p { margin: 0; color: var(--text-secondary); font-size: .9rem; }
.support-app-card > span { color: var(--accent); }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { position: relative; padding: 25px 46px 25px 0; cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { position: absolute; top: 24px; right: 8px; color: var(--accent); content: "+"; font-size: 1.4rem; font-weight: 400; line-height: 1; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 38px 25px 0; }
.faq-answer p:last-child, .faq-answer ul:last-child { margin-bottom: 0; }
.report-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 28px; padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.report-grid li { color: var(--text-secondary); }

.contact-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 42px 0; }
.contact-option { padding: 25px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.contact-option strong { display: block; margin-bottom: 4px; font-weight: 750; }
.contact-option span { color: color-mix(in srgb, var(--text-primary) 78%, var(--surface)); font-size: .95rem; font-weight: 500; }
.email-card { padding: clamp(30px, 6vw, 60px); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); border-radius: var(--radius-lg); background: var(--accent-soft); text-align: center; }
.email-card h2 { font-size: clamp(1.75rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -.025em; text-wrap: balance; }
.email-card > p:not(.eyebrow) { color: var(--text-primary); font-weight: 500; }
.email-address { display: block; margin: 20px 0 26px; color: var(--text-primary); font-size: clamp(1.25rem, 3vw, 2.1rem); font-weight: 750; text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); text-decoration-thickness: 2px; }
.error-page { display: grid; min-height: calc(100svh - var(--header-height)); place-items: center; padding: 70px 0; text-align: center; }
.error-code { margin: 0; color: var(--accent); font-size: clamp(5rem, 18vw, 12rem); font-weight: 700; letter-spacing: -.08em; line-height: .9; }
.error-page h1 { margin: 26px 0 16px; font-size: clamp(2rem, 4vw, 3.2rem); }
.error-page p { margin-bottom: 30px; color: var(--text-secondary); }

@media (max-width: 820px) {
  .content-shell { width: min(calc(100% - 32px), 840px); }
  .app-hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .app-hero-copy { text-align: center; }
  .app-identity { justify-content: center; }
  .app-hero .hero-lead { margin-inline: auto; }
  .app-hero .button-row { justify-content: center; }
  .screenshots-track { grid-auto-columns: minmax(210px, 50%); }
}

@media (max-width: 560px) {
  .page-hero { padding: 64px 0 48px; }
  .content-shell { width: min(calc(100% - 28px), 840px); }
  .prose h2 { margin-top: 54px; }
  .app-hero { padding: 62px 0 78px; }
  .app-identity { flex-direction: column; }
  .feature-grid, .link-panels, .contact-options, .report-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-card-content { padding: 26px 24px 30px; }
  .feature-number { margin-bottom: 20px; }
  .screenshots-track { grid-auto-columns: minmax(210px, 76%); }
  .link-panel { min-height: 200px; padding: 28px; }
  .support-app-card { align-items: flex-start; }
}