:root { color-scheme: light; --ink: #1b1823; --muted: #615b6e; --purple: #3617ce; --purple-deep: #25104e; --line: #e8e3f1; --soft: #f1eff8; --page: #f8f7fc; --radius: 18px; font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; color: var(--ink); background: var(--page); font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; font-size: 16px; line-height: 1.75; word-break: keep-all; overflow-wrap: anywhere; letter-spacing: -.025em; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #916b00; outline-offset: 5px; }
img { max-width: 100%; object-fit: contain; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { line-height: 1.35; }
[hidden] { display: none !important; }
html:not(.js) .feature-buttons { display: none; }
html:not(.js) [data-panel][hidden] { display: grid !important; margin-top: 24px; }
.shell { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 12px; background: #fff; border: 2px solid var(--purple); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0; font-size: 22px; font-weight: 800; letter-spacing: -.055em; }
.brand img { flex-shrink: 0; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
.site-nav a { padding-block: 10px; }
.site-nav a:hover, .text-link:hover, .site-footer a:hover { color: var(--purple); }
.site-nav .header-contact { border-radius: 999px; border: 1px solid var(--line); padding: 10px 18px; display: flex; gap: 14px; }
.site-nav .header-contact:hover { border-color: var(--purple); }
.menu-toggle { background: #fff; border: 1px solid var(--line); min-height: 44px; padding: 8px 14px; border-radius: 12px; color: var(--ink); }
.menu-toggle:not([hidden]) { display: none; }
.hero { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 48px; padding-block: 82px 64px; }
.eyebrow { font-size: 14px; font-weight: 700; color: var(--purple); margin-bottom: 20px; }
h1 { font-size: clamp(40px, 3.8vw, 56px); letter-spacing: -.065em; line-height: 1.28; font-weight: 800; }
h1 em { color: var(--purple); font-style: normal; }
.hero-description { color: var(--muted); margin-top: 26px; font-size: 17px; line-height: 1.9; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; min-height: 52px; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 700; font-size: 15px; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.primary { color: white; background: var(--purple); }
.primary:hover { background: #2a11a8; }
.secondary { background: #fff; border-color: #d3ccdf; }
.secondary:hover { border-color: var(--purple); color: var(--purple); }
.white { background: white; color: var(--purple); }
.white:hover { background: #f1eff8; }
.text-link { display: inline-flex; align-items: center; gap: 14px; font-size: 14px; font-weight: 700; min-height: 44px; padding-block: 9px; text-decoration: underline; text-underline-offset: 5px; }
.hero-note { margin-top: 22px; font-size: 13px; color: var(--muted); }
.hero-product { min-width: 0; color: #fff; background: linear-gradient(135deg, #25104e 0%, #3617ce 65%, #7346e6 100%); border-radius: 24px; padding: 27px 30px 20px; box-shadow: 0 18px 42px rgba(54,23,206,.16); }
.day-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14px; font-weight: 700; padding-bottom: 22px; }
.example-label { border: 1px solid #ffffff50; border-radius: 999px; padding: 3px 9px; font-size: 12px; font-weight: 400; white-space: nowrap; }
.day-flow { margin: 0; padding: 0; list-style: none; }
.day-flow li { display: grid; grid-template-columns: 52px minmax(0,1fr); gap: 16px; padding: 22px 0; border-top: 1px solid #ffffff30; }
.day-time { font-size: 12px; padding-top: 3px; color: #e5dcff; }
.day-flow strong { display: block; font-size: 21px; line-height: 1.4; letter-spacing: -.035em; }
.day-flow p { font-size: 14px; margin-top: 8px; color: #ece5ff; line-height: 1.7; }
.day-tag { display: inline-block; margin-top: 12px; font-size: 12px; padding: 4px 10px; border-radius: 6px; background: #ffffff18; color: #f5f1ff; }
.day-footer { border-top: 1px solid #ffffff30; padding-top: 18px; display: flex; justify-content: space-between; gap: 16px; font-size: 12px; color: #ece5ff; }
.quick-section { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; padding-bottom: 12px; }
.quick-item { display: flex; align-items: center; gap: 14px; padding: 25px 20px; border-block: 1px solid var(--line); transition: background .2s; }
.quick-item:hover { background: #f0ecff; }
.quick-number { font-size: 13px; color: var(--purple); font-weight: 700; }
.quick-item h2 { font-size: 18px; letter-spacing: -.04em; }
.quick-item p { color: var(--muted); font-size: 13px; margin-top: 3px; }
.quick-item > span:last-child { margin-left: auto; color: var(--purple); }
.section { padding-block: 100px; }
h2 { font-size: clamp(30px, 3.1vw, 42px); letter-spacing: -.055em; line-height: 1.35; font-weight: 800; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.section-heading .eyebrow, .parent-copy .eyebrow { margin-bottom: 14px; }
.section-heading > p { font-size: 15px; color: var(--muted); line-height: 1.9; padding-bottom: 4px; }
.feature-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.feature-buttons button { background: white; border: 1px solid #d3ccdf; border-radius: 999px; padding: 11px 22px; min-height: 48px; font-size: 14px; font-weight: 700; color: var(--muted); transition: background .2s, color .2s, border-color .2s; }
.feature-buttons button:hover { border-color: var(--purple); color: var(--purple); }
.feature-buttons button[aria-pressed="true"] { background: var(--purple); color: #fff; border-color: var(--purple); }
.feature-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; border: 1px solid var(--line); border-radius: var(--radius); padding: 48px; background: #fff; min-height: 590px; }
.feature-copy .eyebrow { margin-bottom: 15px; }
.feature-copy h3 { font-size: clamp(27px, 2.5vw, 34px); letter-spacing: -.05em; margin-bottom: 20px; }
.feature-copy > p:not(.eyebrow):not(.feature-benefit) { color: var(--muted); line-height: 1.9; }
.check-list { list-style: none; margin: 24px 0; padding: 0; font-size: 14px; }
.check-list li { margin-top: 10px; padding-left: 23px; position: relative; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--purple); font-weight: 700; }
.feature-benefit { border-top: 1px solid var(--line); padding-top: 20px; font-size: 16px; font-weight: 650; line-height: 1.8; }
.feature-visual { min-width: 0; padding: 24px; background: var(--page); border-radius: 16px; }
.sheet { border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 4px 20px #1b182307; padding: 22px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.sheet-kicker { font-size: 12px; color: var(--muted); }
.sheet h4 { font-size: 20px; letter-spacing: -.04em; }
.sheet-head h4 { margin-top: 8px; }
.sheet-description { font-size: 13px; color: var(--muted); margin-top: 8px; }
.pill { display: inline-block; font-size: 12px; line-height: 1.6; border-radius: 999px; padding: 3px 10px; white-space: nowrap; }
.purple { background: #f0ecff; color: var(--purple); }
.neutral { background: #efedf4; color: #615b6e; }
.pin-example { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin: 22px 0; }
.pin-example span { display: grid; place-items: center; border: 1px solid #d3ccdf; border-radius: 10px; padding: 8px 0; font-size: 28px; font-weight: 700; }
.attendance-result { display: flex; align-items: center; gap: 12px; background: var(--soft); padding: 13px; border-radius: 10px; font-size: 14px; }
.attendance-result p { font-size: 12px; color: var(--muted); }
.check-mark { color: var(--purple); font-size: 22px; }
.notification-example { margin-top: 16px; padding: 18px 22px; border: 1px solid #e9dec0; border-radius: 14px; background: #fff9e9; font-size: 14px; }
.message-label { font-size: 12px; color: #72602c; }
.notification-example p { margin-top: 7px; line-height: 1.8; }
figcaption { font-size: 12px; color: var(--muted); margin-top: 14px; line-height: 1.65; }
.report-example-visual { padding: 0; background: transparent; text-align: center; }
.report-example-link { display: block; width: min(100%, 300px); margin-inline: auto; border-radius: 20px; }
.report-example-link img { display: block; width: 100%; height: auto; }
.report-example-visual .text-link { color: var(--purple); }
.report-delivery-note { background: var(--soft); border-radius: 12px; padding: 18px; margin-block: 22px; }
.report-delivery-note > div { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.report-delivery-note b { font-size: 15px; }
.report-delivery-note p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.delivery-label { border: 1px solid #d3ccdf; background: #fff; color: var(--purple); border-radius: 999px; padding: 3px 10px; font-size: 12px; font-weight: 700; }
.report-periods { display: grid; grid-template-columns: repeat(3,1fr); list-style: none; padding: 0; margin: 20px 0 0; gap: 8px; text-align: center; }
.report-periods li { border-top: 2px solid #d7cbff; padding-top: 10px; }
.report-periods b { display: block; font-size: 14px; color: var(--purple); }
.report-periods span { font-size: 12px; color: var(--muted); }
.schedule-row { display: grid; grid-template-columns: 45px minmax(0,1fr); gap: 12px; margin-top: 14px; }
.schedule-row time { font-size: 12px; color: var(--muted); padding-top: 10px; }
.schedule-row > div { border-left: 3px solid #8e70ff; background: #f2eeff; padding: 12px; border-radius: 8px; }
.schedule-row strong { display: block; font-size: 14px; }
.schedule-row p { color: var(--muted); font-size: 12px; margin-top: 5px; }
.student-names { display: block; font-size: 12px; margin-top: 8px; }
.makeup-row > div { background: #f2f1f5; border-left-color: #9b92aa; }
.makeup-timeline { list-style: none; padding: 0; margin: 0; }
.makeup-timeline li { display: flex; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.makeup-timeline li:last-child { padding-bottom: 0; }
.makeup-timeline li > span { color: var(--purple); font-size: 13px; font-weight: 700; }
.makeup-timeline b { font-size: 15px; }
.makeup-timeline p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.parent-section { background: #eeebf6; padding-block: 86px; }
.parent-layout { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 90px; }
.section-description { margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.parent-point { margin-top: 24px; padding-top: 20px; border-top: 1px solid #d8d2e6; }
.parent-point > b { font-size: 16px; }
.parent-point > p { margin-top: 6px; color: var(--muted); font-size: 14px; }
.parent-preview { width: min(100%, 365px); justify-self: center; }
.parent-preview figcaption { text-align: center; }
.phone-sheet { border: 1px solid #d3ccdf; border-radius: 26px; background: white; overflow: hidden; box-shadow: 0 16px 40px #25104e0c; }
.phone-brand { display: flex; align-items: center; gap: 7px; padding: 17px 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
.phone-brand > span { margin-left: auto; color: var(--muted); font-size: 12px; }
.phone-body { padding: 26px 22px 8px; }
.phone-body h3 { font-size: 21px; margin-top: 8px; letter-spacing: -.04em; }
.child-schedule { background: var(--page); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-top: 22px; }
.child-schedule > span { font-size: 12px; color: var(--muted); }
.child-schedule > b { display: block; font-size: 17px; margin-top: 5px; }
.child-schedule > p { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; font-size: 13px; margin-top: 9px; }
.phone-row { display: flex; align-items: center; gap: 10px; padding-block: 21px; border-bottom: 1px solid var(--line); }
.phone-icon { background: var(--soft); color: var(--purple); border-radius: 10px; width: 38px; height: 38px; display: grid; place-items: center; flex-shrink: 0; font-size: 12px; }
.phone-row b { font-size: 14px; }
.phone-row p { font-size: 12px; color: var(--muted); margin-top: 3px; }
.phone-row > span:last-child { margin-left: auto; color: var(--muted); }
.phone-bottom { padding: 18px 0; font-size: 12px; color: var(--muted); text-align: center; }
.operations-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0 30px; }
.operations-grid > article { border-top: 1px solid #d3ccdf; padding: 28px 0 34px; }
.operation-heading { display: flex; align-items: center; gap: 12px; }
.operation-icon { display: inline-grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; border: 1px solid #e0d8fa; border-radius: 12px; background: #f0ecff; color: var(--purple); }
.operation-icon svg { display: block; width: 23px; height: 23px; }
.operation-index { font-size: 12px; color: var(--purple); font-weight: 700; }
.operations-grid h3 { margin-top: 18px; font-size: 21px; letter-spacing: -.045em; }
.operations-grid p { font-size: 15px; color: var(--muted); margin-top: 12px; line-height: 1.85; }
.story-section { background: #fff; border-block: 1px solid var(--line); padding-block: 90px; }
.story-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; }
.story-copy { padding-top: 5px; }
.story-copy p { color: var(--muted); line-height: 1.95; margin-top: 22px; }
.story-copy .story-lead { margin-top: 0; color: var(--ink); font-size: 23px; font-weight: 700; line-height: 1.7; }
.story-copy .text-link { margin-top: 22px; color: var(--purple); }
.faq-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 70px; }
.faq-layout > div > .text-link { margin-top: 22px; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid #d3ccdf; }
.faq-list summary { list-style: none; font-size: 16px; font-weight: 650; padding: 24px 0; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { font-size: 21px; font-weight: 400; color: var(--purple); flex-shrink: 0; }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-list details p { color: var(--muted); font-size: 15px; line-height: 1.9; padding: 0 25px 25px 0; }
.closing { background: var(--purple-deep); color: #fff; }
.closing-inner { padding-block: 64px; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.closing p { font-size: 14px; color: #ddd2ff; margin-bottom: 12px; }
.closing h2 { font-size: clamp(28px, 3vw, 38px); }
.closing .button { flex-shrink: 0; }
.site-footer { padding-block: 38px 28px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-top .brand { font-size: 20px; }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 13px; color: var(--muted); }
.footer-top nav a { padding-block: 8px; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; margin-top: 24px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: var(--muted); }
@media (max-width: 1100px) {
  .shell { width: calc(100% - 48px); }
  .site-nav { gap: 18px; }
  .hero { gap: 30px; padding-block: 62px 48px; }
  .hero-product { padding: 24px; }
  .day-flow li { gap: 10px; grid-template-columns: 43px minmax(0,1fr); }
  .day-flow strong { font-size: 19px; }
  .quick-item { padding-inline: 8px; gap: 10px; }
  .quick-item h2 { font-size: 17px; }
  .feature-panel { padding: 32px; gap: 30px; }
  .feature-visual { padding: 16px; }
  .parent-layout, .story-layout { gap: 50px; }
  .operations-grid { grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 40px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 92px; }
  .shell { width: min(100% - 40px, 620px); }
  .header-inner { min-height: 72px; flex-wrap: wrap; gap: 0; }
  .brand { font-size: 21px; }
  .menu-toggle:not([hidden]) { display: block; }
  .site-nav { width: 100%; flex-wrap: wrap; gap: 8px 20px; padding-block: 14px; }
  .js .site-nav { position: absolute; top: calc(100% + 8px); left: 20px; right: 20px; width: auto; flex-direction: column; align-items: stretch; gap: 4px; border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 10px; box-shadow: 0 12px 32px #25104e12; }
  .js .site-nav:not(.is-open) { display: none; }
  .js .site-nav a { min-height: 44px; padding: 10px 14px; }
  .js .site-nav .header-contact { margin-top: 4px; justify-content: space-between; border-radius: 10px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 48px 40px; }
  h1 { font-size: clamp(38px, 7.5vw, 52px); }
  .hero-description { font-size: 16px; }
  .hero-product { padding: 24px; }
  .day-flow strong { font-size: 21px; }
  .quick-section { grid-template-columns: 1fr; gap: 0; }
  .quick-item { padding: 19px 4px; border-top: 0; gap: 18px; }
  .quick-item:first-child { border-top: 1px solid var(--line); }
  .quick-item h2 { font-size: 18px; }
  .section { padding-block: 64px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 18px; margin-bottom: 28px; }
  .section-heading > p br { display: none; }
  .feature-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .feature-buttons button { padding: 10px 12px; border-radius: 12px; }
  .feature-panel { grid-template-columns: 1fr; gap: 30px; padding: 28px; min-height: 0; }
  .feature-copy h3 { font-size: 29px; }
  .feature-visual { width: 100%; }
  .parent-section, .story-section { padding-block: 64px; }
  .parent-layout, .story-layout { grid-template-columns: 1fr; gap: 38px; }
  .parent-preview { width: min(100%,365px); }
  .story-layout h2 br:last-child { display: none; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .closing-inner { flex-direction: column; align-items: flex-start; padding-block: 50px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 18px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}
@media (max-width: 480px) {
  .shell { width: calc(100% - 32px); }
  .brand img { width: 34px; height: 34px; }
  .eyebrow { font-size: 13px; }
  h1 { font-size: clamp(32px, 8.8vw, 42px); }
  h2 { font-size: 29px; }
  .hero { padding-top: 38px; }
  .hero-description br, .desktop-break { display: none; }
  .actions { align-items: stretch; }
  .actions .primary, .actions .secondary { width: 100%; }
  .hero-product { border-radius: 18px; padding: 20px; }
  .day-heading { align-items: flex-start; font-size: 13px; }
  .day-flow li { grid-template-columns: 1fr; gap: 7px; padding-block: 18px; }
  .day-flow strong { font-size: 20px; }
  .day-flow p { font-size: 14px; }
  .day-time { padding-top: 0; }
  .day-footer { font-size: 12px; }
  .feature-panel { padding: 23px 18px; }
  .feature-copy h3 { font-size: 27px; }
  .feature-buttons button { font-size: 13px; padding-inline: 6px; }
  .feature-visual { padding: 12px; }
  .sheet { padding: 16px; }
  .sheet-head { flex-wrap: wrap; gap: 7px; }
  .sheet h4 { font-size: 18px; }
  .pin-example { gap: 7px; }
  .notification-example { padding: 15px; }
  .report-periods { gap: 4px; }
  .report-periods span { font-size: 12px; }
  .schedule-row { grid-template-columns: 39px minmax(0,1fr); gap: 6px; }
  .schedule-row > div { padding: 10px; }
  .operations-grid { grid-template-columns: 1fr; }
  .operations-grid > article { padding-block: 24px; }
  .operations-grid h3 { margin-top: 10px; }
  .story-copy .story-lead { font-size: 21px; }
  .faq-list summary { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}