:root {
  --ink: #172033;
  --ink-soft: #334155;
  --muted: #516273;
  --line: #dde4ee;
  --base: #f5f7fb;
  --white: #fff;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --teal-soft: #dff8f3;
  --mint-surface: #f2fcfc;
  --mint-line: #bde4e4;
  --lavender-surface: #f6f6fb;
  --lavender-line: #d8d8e7;
  --maru-surface: #fffaf0;
  --maru-line: #f0dcb5;
  --shadow: 0 12px 28px rgb(15 118 110 / 10%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--base); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; line-height: 1.7; }
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
p, li { overflow-wrap: anywhere; }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; padding: 0; list-style: none; counter-reset: steps; }
.step-grid > li { padding: 1.3rem; background: var(--white); border: 1px solid var(--line); border-radius: 16px; counter-increment: steps; }
.step-grid > li::before { content: counter(steps, decimal-leading-zero); display: block; color: var(--teal); font-weight: 800; margin-bottom: .6rem; }
.step-grid p { margin: .7rem 0 0; color: var(--muted); }
.help-detail { margin: 1rem 0; border: 1px solid var(--line); border-radius: 12px; background: var(--white); padding: 0 1rem; }
.help-detail summary { cursor: pointer; min-height: 48px; padding: .75rem 0; font-weight: 700; }
.help-detail p { margin-top: .5rem; }
.guide-intro { max-width: 740px; }
.guide-sections { padding-top: 1rem; }
.guide-sections > section { padding: 2rem 0; border-top: 1px solid var(--line); scroll-margin-top: 1rem; }
.guide-sections h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.guide-links { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.5rem 0; }
.guide-links a { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem .9rem; background: var(--white); border: 1px solid var(--line); border-radius: 999px; text-decoration: none; }
.guide-sections ul, .guide-sections ol { padding-left: 1.4rem; }
.coorganizer-steps { counter-reset: coorganizer; list-style: none; padding: 0 !important; }
.coorganizer-steps > li { padding: 1.25rem 0; border-top: 1px solid var(--line); }
.coorganizer-steps > li:first-child { border-top: 0; }
.coorganizer-steps h3 { margin: 0 0 .35rem; }
.coorganizer-steps h3::before { counter-increment: coorganizer; content: counter(coorganizer) ". "; color: var(--teal); }
.coorganizer-steps p { margin: .4rem 0 .8rem; }
.coorganizer-screen { max-width: 28rem; padding: 1rem; background: var(--white); border-radius: 12px; }
.coorganizer-screen-title { display: block; color: var(--muted); font-size: .85rem; font-weight: 700; }
.coorganizer-sample-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .15rem; align-items: center; padding: .2rem; border-radius: 9px; background: #eff6f3; text-align: center; font-size: .72rem; line-height: 1.25; }
.coorganizer-sample-nav > * { padding: .55rem .1rem; }
.coorganizer-sample-nav strong { border-radius: 7px; background: var(--white); }
.coorganizer-sample-heading { display: flex; justify-content: space-between; align-items: center; gap: .6rem; margin: .7rem 0; }
.coorganizer-sample-heading span { padding: .25rem .4rem; border: 1px solid var(--mint-line); border-radius: 7px; font-size: .72rem; }
.coorganizer-sample-picker { display: grid; gap: .45rem; }
.coorganizer-sample-picker > div { display: grid; grid-template-columns: 3rem minmax(0, 1fr); column-gap: .6rem; align-items: center; padding: .5rem; border: 1px solid var(--mint-line); border-radius: 9px; }
.coorganizer-sample-picker img { grid-row: span 2; display: block; width: 3rem; height: 3rem; object-fit: contain; }
.coorganizer-sample-picker small { color: var(--muted); line-height: 1.35; }
.coorganizer-sample-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .2rem; margin-top: .6rem; padding: .2rem; border-radius: 8px; background: #eff6f3; text-align: center; font-size: .8rem; }
.coorganizer-sample-modes > * { padding: .45rem .2rem; }
.coorganizer-sample-modes strong { border-radius: 6px; background: var(--white); }
.coorganizer-sample-status { color: var(--muted); font-size: .78rem; }
.coorganizer-sample-compose { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .4rem; align-items: center; margin-top: .7rem; font-size: .8rem; }
.coorganizer-sample-compose span { padding: .6rem; border: 1px solid var(--mint-line); border-radius: 8px; color: var(--muted); }
.coorganizer-sample-compose strong { padding: .6rem; border: 1px solid var(--teal); border-radius: 8px; color: var(--teal-dark); }
.coorganizer-screen .coorganizer-user, .coorganizer-screen .coorganizer-assistant { width: fit-content; max-width: 95%; padding: .55rem .8rem; border-radius: 12px; }
.coorganizer-screen .coorganizer-user { margin-left: auto; background: #def3e9; }
.coorganizer-screen .coorganizer-assistant { background: #edf7f5; }
.coorganizer-screen-action { display: inline-block; min-height: 44px; padding: .55rem .8rem; border-radius: 9px; background: #e0f2ee; color: #115e59; font-weight: 700; }
.coorganizer-search-screen { display: grid; gap: .6rem; border: 1px solid #b7d5cb; }
.coorganizer-search-screen p { margin: 0; }
.coorganizer-search-screen .coorganizer-screen-action { display: block; min-height: 44px; background: #087e72; color: #fff; text-align: center; }
.coorganizer-field { display: block; width: 100%; padding: .55rem .7rem; border: 1px solid #b7d5cb; border-radius: 8px; background: #fff; overflow-wrap: anywhere; }
.coorganizer-screen-note { color: var(--muted); font-size: .85rem; }
.coorganizer-ad-note { padding: .9rem 0; border-top: 1px solid var(--line); }
.legal-page { max-width: 880px; }
.legal-page > section { padding: 1.8rem 0; border-top: 1px solid var(--line); scroll-margin-top: 1rem; }
.legal-page > section:first-of-type { margin-top: 2rem; }
.legal-page h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); }
.legal-page a { color: var(--teal-dark); text-underline-offset: 0.2rem; }
.policy-status { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: 1.5rem; padding: 0.55rem 0.8rem; border: 1px solid var(--mint-line); border-radius: 10px; background: var(--mint-surface); color: var(--ink-soft); font-weight: 700; }
.policy-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.policy-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.policy-table th, .policy-table td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.policy-table th { background: var(--mint-surface); color: var(--teal-dark); }
.policy-table tr:last-child td { border-bottom: 0; }
.legal-list { display: grid; gap: 0.45rem; padding-left: 1.4rem; }
.operator-list { display: grid; gap: 0; margin: 2rem 0; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.operator-list div { display: grid; grid-template-columns: 11rem 1fr; border-bottom: 1px solid var(--line); }
.operator-list div:last-child { border-bottom: 0; }
.operator-list dt, .operator-list dd { margin: 0; padding: 0.8rem 1rem; }
.operator-list dt { background: var(--mint-surface); color: var(--teal-dark); font-weight: 800; }
.contact-card { padding: 1.25rem; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.contact-card p:last-child { margin-bottom: 0; }

.service-notice { padding: 0.55rem 1rem; border-bottom: 1px solid var(--mint-line); background: var(--mint-surface); color: var(--ink-soft); font-size: 0.84rem; line-height: 1.55; }
.service-notice p { display: flex; justify-content: center; align-items: baseline; gap: 0.65rem; max-width: 1120px; margin: 0 auto; }
.service-notice strong { color: var(--teal-dark); letter-spacing: 0.04em; }

.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 10; padding: 0.6rem 1rem; border-radius: 10px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 1rem; }

.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; width: min(1120px, calc(100% - 3rem)); min-height: 68px; margin: 0 auto; background: var(--white); }
.site-header::before { position: absolute; z-index: -1; right: 0; left: 0; height: 68px; border-bottom: 1px solid var(--line); background: var(--white); content: ""; }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--teal); text-decoration: none; font-size: 0.92rem; font-weight: 700; }
.brand strong { display: block; color: var(--teal-dark); font-size: 1.18rem; line-height: 1.05; }
.brand-mark { width: 2.25rem; height: 2.25rem; border-radius: 0.7rem; }
nav { display: flex; gap: 1.2rem; color: var(--ink-soft); font-size: 0.88rem; font-weight: 750; }
nav a { text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--teal); text-decoration: underline; text-underline-offset: 0.25rem; }

.hero { padding: clamp(1.5rem, 4vw, 3.5rem) 1.5rem 2.5rem; background: var(--base); }
.hero-scene { position: relative; width: min(1120px, 100%); min-height: clamp(29rem, 45vw, 33rem); margin: 0 auto; overflow: hidden; border: 1px solid #d7e7e7; border-radius: 20px; background: linear-gradient(120deg, #f1fbfb, #fff8ee); box-shadow: var(--shadow); }
.hero-scene::before { position: absolute; z-index: 1; inset: 0; background: linear-gradient(90deg, rgb(255 255 255 / 96%) 0%, rgb(255 255 255 / 90%) 44%, rgb(255 255 255 / 26%) 63%, transparent 77%); content: ""; }
.hero-visual { position: absolute; inset: 0 -10% 0 10%; margin: 0; }
.hero-visual img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-copy { position: relative; z-index: 2; width: min(50%, 36rem); padding: clamp(2rem, 5vw, 4.25rem); }
.eyebrow, .role-label, .plan-kicker { margin: 0 0 0.55rem; color: var(--teal); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.05em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.1rem; font-size: clamp(2.25rem, 4vw, 3.45rem); line-height: 1.2; letter-spacing: -0.025em; }
h2 { margin-bottom: 0.85rem; font-size: clamp(1.8rem, 3.5vw, 3rem); line-height: 1.35; letter-spacing: -0.015em; }
h3 { font-size: 1.22rem; line-height: 1.45; }
.lead { color: var(--muted); font-size: clamp(1rem, 1.45vw, 1.13rem); }
.lead span { display: block; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.55rem; }
.app-entry-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; margin-top: 1.25rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0.7rem 1rem; border: 1px solid transparent; border-radius: 10px; text-decoration: none; font-weight: 800; transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 8px 20px rgb(15 118 110 / 18%); outline: 3px solid rgb(15 118 110 / 20%); outline-offset: 3px; }
.button-primary { background: var(--teal); color: var(--white); }
.button-primary:hover, .button-primary:focus-visible { background: var(--teal-dark); }
.button-secondary { border-color: #a7d6d0; background: rgb(255 255 255 / 76%); color: var(--teal-dark); }
.small-note, .legal-note, .plan-status { color: var(--muted); font-size: 0.9rem; }
.small-note { margin: 1rem 0 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.1rem 0 0; padding: 0; list-style: none; }
.hero-points li { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.32rem 0.55rem; border: 1px solid rgb(15 118 110 / 16%); border-radius: 999px; background: rgb(255 255 255 / 72%); color: var(--ink-soft); font-size: 0.78rem; font-weight: 700; }
.point-icon { display: inline-block; width: 0.7rem; height: 0.7rem; border: 2px solid var(--teal); border-radius: 50%; }
.point-calendar { border-radius: 0.18rem; }
.point-place { border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.point-message { position: relative; border-radius: 0.18rem; }
.point-message::after { position: absolute; right: -0.2rem; bottom: -0.22rem; width: 0.25rem; height: 0.25rem; border-right: 2px solid var(--teal); border-bottom: 2px solid var(--teal); content: ""; }

.intro { width: min(900px, calc(100% - 3rem)); margin: 0 auto; padding: 2.75rem 0; color: var(--ink-soft); text-align: center; font-size: clamp(1.1rem, 2vw, 1.42rem); }
.intro p { margin: 0; padding: 1.35rem 1.75rem; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.intro strong { color: var(--teal); }

.section { width: min(1120px, calc(100% - 3rem)); margin: 0 auto; padding: 5.5rem 0; }
.section-heading { width: min(660px, 100%); margin-bottom: 2.2rem; }
.section-heading > p:last-child { color: var(--muted); }
.feature-grid, .beta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.feature-card { position: relative; display: flex; min-height: 18rem; padding: 1.5rem 1.25rem 1.5rem 1.5rem; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; }
.feature-copy { position: relative; z-index: 1; width: min(69%, 13rem); }
.feature-copy h3 { margin: 0 0 0.65rem; font-size: 1.45rem; }
.feature-copy p:last-child { margin-bottom: 0; color: var(--muted); font-size: 0.92rem; }
.feature-card > img { position: absolute; right: 0.25rem; bottom: 0; width: min(47%, 9.5rem); max-height: 82%; object-fit: contain; object-position: bottom; }
.role-atsumaru { border-color: var(--lavender-line); background: linear-gradient(125deg, var(--lavender-surface), var(--white)); }
.role-atsumaru .role-label { color: #5f528b; }
.role-tsumari { border-color: var(--mint-line); background: linear-gradient(125deg, var(--mint-surface), var(--white)); }
.role-maru { border-color: var(--maru-line); background: linear-gradient(125deg, var(--maru-surface), var(--white)); }
.role-maru .role-label { color: #9a6a21; }

.plans { width: 100%; padding-inline: max(1.5rem, calc((100% - 1120px) / 2)); background: #eef7f6; }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.plan-card { position: relative; display: flex; flex-direction: column; min-height: 23rem; padding: 1.8rem 1.8rem 6rem; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 10px 28px rgb(23 32 51 / 7%); }
.plan-maru { border-color: var(--maru-line); background: linear-gradient(130deg, #fff8ea, var(--white)); }
.plan-tsumari { border-color: var(--mint-line); background: linear-gradient(130deg, #effafa, var(--lavender-surface)); }
.plan-maru .plan-kicker { color: #9a6a21; }
.plan-card h3 { margin-bottom: 0.65rem; font-size: clamp(1.5rem, 2.3vw, 1.85rem); }
.character-voice { min-height: 3.5rem; color: var(--ink-soft); }
.plan-card ul { display: grid; gap: 0.2rem; padding-left: 1.2rem; }
.plan-status { margin: auto 0 0; max-width: calc(100% - 6.3rem); }
.plan-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.85rem; }
.plan-tags span { padding: 0.18rem 0.5rem; border: 1px solid currentcolor; border-radius: 999px; color: var(--teal-dark); font-size: 0.75rem; font-weight: 750; }
.plan-maru .plan-tags span { color: #97621c; }
.plan-price { position: absolute; right: 1.5rem; bottom: 1.45rem; margin: 0; color: var(--ink); font-size: 2.55rem; font-weight: 900; letter-spacing: -0.08em; line-height: 1; }
.plan-price span { margin-left: 0.12rem; font-size: 0.82rem; letter-spacing: 0; }
.legal-note { margin: 1.3rem 0 0; }

.beta { margin-top: 5.5rem; margin-bottom: 5.5rem; padding: clamp(2rem, 5vw, 4rem); border: 1px solid #a7e7d7; border-radius: 20px; background: radial-gradient(circle at 94% 12%, #dff8f3 0, transparent 28%), linear-gradient(135deg, #f0fdf9, #f7fbff); text-align: center; }
.beta .section-heading { margin-inline: auto; }
.beta-grid { margin-bottom: 2rem; text-align: left; }
.beta-grid article { min-height: 13rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 16px; background: rgb(255 255 255 / 88%); }
.beta-grid h3 { margin: 0.6rem 0; }
.beta-grid p { margin-bottom: 0; color: var(--muted); font-size: 0.92rem; }
.promise-icon { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--teal-soft); color: var(--teal); }
.promise-icon::after { font-weight: 900; font-size: 1rem; }
.promise-person::after { content: "●"; }
.promise-circle::after { content: "○"; font-size: 1.5rem; }
.promise-check::after { content: "✓"; }

.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2.5rem max(1.5rem, calc((100% - 1120px) / 2)); background: var(--ink); color: #e9f1f3; font-size: 0.84rem; }
.site-footer p { margin-bottom: 0.3rem; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; color: var(--white); font-size: 1rem; font-weight: 800; }
.footer-brand img { width: 1.5rem; height: 1.5rem; border-radius: 0.45rem; }
.footer-links { display: grid; max-width: 34rem; color: #b7c8cf; text-align: right; }

.status-main { min-height: calc(100vh - 16rem); display: grid; place-items: center; padding: 4rem 1.5rem; }
.status-card { width: min(100%, 720px); padding: clamp(1.5rem, 5vw, 3rem); border-radius: 1.75rem; background: var(--white); box-shadow: 0 1rem 3rem rgba(23, 32, 51, 0.1); }
.status-card h1 { margin: 0.3rem 0 1.5rem; font-size: clamp(2rem, 7vw, 3.5rem); }
.status-indicator { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.2rem; padding: 1rem 1.2rem; border-radius: 1rem; background: #e6f7ef; color: #126142; }
.status-indicator span { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: #1b9a64; box-shadow: 0 0 0 0.35rem rgba(27, 154, 100, 0.14); }

@media (max-width: 1024px) {
  .hero-scene { display: flex; min-height: 0; flex-direction: column; }
  .hero-scene::before { display: none; }
  .hero-copy { order: 1; width: 100%; padding: clamp(2rem, 5vw, 3rem); background: linear-gradient(135deg, #f8fffe, #fffaf2); }
  .hero-visual { position: relative; order: 2; width: 100%; aspect-ratio: 1862 / 845; }
  .hero-visual img { object-fit: contain; }
  .lead span { display: inline; }
  .lead span:not(:last-child)::after { content: " "; }
}

@media (max-width: 760px) {
  .step-grid { grid-template-columns: 1fr; }
  .service-notice { padding-inline: 1rem; }
  .service-notice p { display: block; }
  .service-notice strong { display: block; margin-bottom: 0.1rem; }
  .site-header { align-items: flex-start; width: min(100% - 2rem, 1120px); min-height: 0; padding-block: 0.8rem; flex-wrap: wrap; gap: 0.6rem; }
  .site-header::before { height: 7.1rem; }
  nav { display: grid; width: 100%; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.25rem; font-size: 0.72rem; }
  nav a { display: grid; min-height: 44px; padding: 0.3rem 0; place-items: center; text-align: center; }
  .hero { padding: 1rem 1rem 2.25rem; }
  .hero-scene { border-radius: 16px; }
  .hero-copy { padding: 1.5rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-points { gap: 0.35rem; }
  .hero-points li { font-size: 0.74rem; }
  .intro { width: min(100% - 2rem, 900px); padding: 2.25rem 0; }
  .intro p { padding: 1.15rem; }
  .section { width: min(100% - 2rem, 1120px); padding-block: 3.75rem; }
  .feature-grid, .beta-grid, .plan-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 15.5rem; }
  .feature-card > img { width: 8.5rem; }
  .plans { padding-inline: 1rem; }
  .plan-card { min-height: 0; }
  .plan-status { max-width: calc(100% - 5.5rem); }
  .beta { width: min(100% - 2rem, 1120px); margin: 3.75rem auto; padding: 1.5rem; }
  .beta-grid article { min-height: 0; }
  .site-footer { flex-direction: column; padding: 2rem 1rem; }
  .footer-links { text-align: left; }
  .operator-list div { grid-template-columns: 1fr; }
  .operator-list dt { padding-bottom: 0.25rem; }
  .operator-list dd { padding-top: 0.25rem; }
  .policy-table { min-width: 520px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover, .button:focus-visible { transform: none; }
}