:root {
  --blue: #006bd6;
  --blue2: #0a8dff;
  --deep: #082b5b;
  --navy: #061b39;
  --sky: #eaf5ff;
  --pale: #f6fbff;
  --text: #1d2636;
  --muted: #667085;
  --pink: #ef3f8f;
  --yellow: #ffe45c;
  --white: #fff;
  --line: #dfeaf6;
  --shadow: 0 18px 45px rgba(0, 72, 160, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  line-height: 1.75;
  background: #fff;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid #e8eef6;
  backdrop-filter: blur(10px);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-weight: 900; background: linear-gradient(135deg, #0b8dff, #083b86); box-shadow: var(--shadow); flex: 0 0 auto; }
.brand-ja { display: block; font-size: 18px; font-weight: 900; line-height: 1.1; }
.brand-en { display: block; font-size: 12px; color: var(--muted); }
.global-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 800; }
.global-nav a { padding: 8px 0; }
.nav-contact { color: #fff; background: var(--blue); border-radius: 999px; padding: 9px 16px !important; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 10px; cursor: pointer; }
.menu-button span { display: block; height: 3px; background: var(--deep); border-radius: 99px; margin: 5px 0; transition: .2s; }
.menu-button.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-button.is-open span:nth-child(2) { opacity: 0; }
.menu-button.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.hero { padding: 88px 0 76px; background: radial-gradient(circle at 82% 20%, #dff1ff 0, transparent 34%), linear-gradient(180deg, #f7fbff 0%, #fff 100%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 52px; align-items: center; }
.eyebrow { color: var(--blue); font-weight: 900; letter-spacing: .08em; margin: 0 0 12px; }
h1, h2, h3 { color: #092448; }
h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.18; margin: 0 0 22px; letter-spacing: -.035em; }
h1 span { color: var(--blue); background: linear-gradient(transparent 62%, var(--yellow) 62%); }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.25; margin: 0 0 16px; letter-spacing: -.025em; }
h3 { font-size: 21px; line-height: 1.35; margin: 12px 0 8px; }
.lead { font-size: 18px; color: #415065; margin: 0 0 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-width: 160px; padding: 13px 24px; border-radius: 999px; font-weight: 900; box-shadow: var(--shadow); }
.btn-primary { color: #fff; background: linear-gradient(135deg, #0084ff, #0056bd); }
.btn-outline { color: var(--deep); background: #fff; border: 1px solid #cfe2f7; }
.btn-white { background: #fff; color: var(--blue); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.hero-points li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; font-weight: 800; color: var(--deep); }
.hero-visual { min-height: 460px; position: relative; }
.mock { background: #fff; border: 10px solid #0f2649; box-shadow: var(--shadow); }
.desktop { width: 78%; height: 320px; border-radius: 22px; position: absolute; left: 0; top: 38px; padding: 26px; background: linear-gradient(145deg, #fff, #e8f5ff); }
.mock-bar { height: 18px; width: 110px; border-radius: 99px; background: #c5d7e8; margin-bottom: 42px; }
.mock-main { font-weight: 900; font-size: 26px; color: var(--deep); }
.mock-cards { display: flex; gap: 15px; margin-top: 55px; }
.mock-cards span { flex: 1; height: 62px; border-radius: 14px; background: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.08); }
.phone { width: 205px; min-height: 372px; border-radius: 34px; position: absolute; right: 10px; top: 85px; padding: 20px 15px; }
.phone-notch { width: 70px; height: 8px; background: #13233f; border-radius: 99px; margin: 0 auto 20px; }
.phone strong { display: block; text-align: center; color: var(--blue); margin-bottom: 10px; }
.chat { font-size: 13px; padding: 10px 12px; border-radius: 14px; margin: 9px 0; }
.chat.q { background: #eef4fb; }
.chat.a { background: var(--blue); color: #fff; margin-left: 24px; }

.problem { padding: 54px 0; background: var(--navy); color: #fff; }
.problem h2 { color: #fff; }
.problem-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
.problem-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.problem-list p { margin: 0; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; padding: 14px 16px; font-weight: 800; }

.section { padding: 78px 0; }
.section-title { text-align: center; max-width: 760px; margin: 0 auto 38px; }
.section-title p:last-child { color: var(--muted); }
.card-grid { display: grid; gap: 22px; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 28px 22px; box-shadow: var(--shadow); }
.card p { color: var(--muted); margin: 0; }
.card-icon { font-size: 42px; display: inline-block; }
.blue-section { background: linear-gradient(135deg, #eaf5ff, #f8fbff); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.reverse { direction: rtl; }
.reverse > * { direction: ltr; }
.check-list { list-style: none; margin: 24px 0 0; padding: 0; }
.check-list li { margin: 10px 0; font-weight: 800; }
.check-list li::before { content: "✓"; color: var(--blue); font-weight: 900; margin-right: 8px; }
.ai-panel { background: #fff; border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.sns-panel { position: relative; min-height: 320px; }
.shop-screen { width: 75%; height: 240px; border-radius: 24px; background: linear-gradient(145deg, #fff, #f0f8ff); border: 1px solid #d7e7f8; box-shadow: var(--shadow); display: grid; place-items: center; font-size: 30px; font-weight: 900; color: var(--deep); }
.sns-badge { position: absolute; right: 0; color: #fff; font-weight: 900; border-radius: 999px; padding: 16px 24px; box-shadow: var(--shadow); }
.facebook { top: 35px; background: #1877f2; }
.instagram { bottom: 55px; background: linear-gradient(135deg, #feda75, #d62976, #4f5bd5); }
.mini-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; }
.mini-cards span { background: var(--pale); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-weight: 900; color: var(--deep); }
.light-section { background: #fbfdff; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.case-grid span { text-align: center; padding: 16px 10px; border-radius: 16px; background: #fff; border: 1px solid var(--line); font-weight: 800; color: var(--deep); }
.flow-section { background: linear-gradient(180deg, #fff, #f8fbff); }
.flow-list { counter-reset: flow; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.flow-list li { counter-increment: flow; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); }
.flow-list li::before { content: counter(flow, decimal-leading-zero); display: block; color: var(--blue); font-size: 28px; font-weight: 900; margin-bottom: 10px; }
.flow-list strong { display: block; font-size: 20px; color: var(--deep); margin-bottom: 8px; }
.flow-list span { color: var(--muted); }
.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px 20px; box-shadow: 0 8px 24px rgba(0,72,160,.06); }
summary { cursor: pointer; font-weight: 900; color: var(--deep); }
details p { color: var(--muted); margin: 12px 0 0; }
.cta { background: linear-gradient(135deg, #006bd6, #083b86); color: #fff; text-align: center; padding: 74px 0; }
.cta h2 { color: #fff; }
.cta p { font-size: 18px; }
.site-footer { background: #061b39; color: #cbd7e6; padding: 30px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-name { color: #fff; font-size: 18px; font-weight: 900; margin: 0; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }

@media (max-width: 980px) {
  .menu-button { display: block; }
  .global-nav {
    display: none;
    position: absolute;
    top: 73px;
    left: 12px;
    right: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 14px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .global-nav.is-open { display: flex; }
  .global-nav a { padding: 13px 14px; border-bottom: 1px solid #eef3f8; }
  .global-nav a:last-child { border-bottom: 0; text-align: center; margin-top: 8px; }
  .hero-grid, .split, .problem-grid { grid-template-columns: 1fr; }
  .reverse { direction: ltr; }
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-list { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { min-height: 430px; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 24px, 1120px); }
  .brand-en { display: none; }
  .brand-ja { font-size: 16px; }
  .hero { padding: 54px 0 58px; }
  h1 { font-size: 34px; }
  .lead { font-size: 16px; }
  .btn { width: 100%; }
  .hero-points { display: grid; grid-template-columns: 1fr; }
  .desktop { width: 92%; left: 0; height: 290px; }
  .phone { right: 0; transform: scale(.88); transform-origin: top right; }
  .problem-list, .card-grid.four, .card-grid.three, .case-grid, .flow-list, .mini-cards { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
  .shop-screen { width: 90%; }
  .sns-badge { right: 4px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

.contact-section { background: linear-gradient(180deg, #fbfdff, #fff); }
.contact-form { max-width: 860px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-form label { display: block; font-weight: 900; color: var(--deep); }
.contact-form label span { display: block; margin-bottom: 7px; }
.contact-form em { font-style: normal; color: #fff; background: var(--pink); border-radius: 999px; font-size: 12px; padding: 2px 8px; margin-left: 6px; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid #cfe2f7; border-radius: 14px; padding: 13px 14px; font: inherit; background: #fbfdff; outline: none; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(0, 107, 214, .12); background: #fff; }
.message-label { margin-top: 18px; }
.form-submit { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 24px; }
.form-submit p { color: var(--muted); margin: 0; font-size: 14px; }
.form-message { max-width: 860px; margin: 0 auto 18px; border-radius: 18px; padding: 16px 20px; font-weight: 800; }
.form-message p { margin: 4px 0; }
.form-message.success { color: #075b34; background: #e9fff4; border: 1px solid #bdeed7; }
.form-message.error { color: #8a1230; background: #fff0f4; border: 1px solid #f6c7d4; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 620px) {
  .contact-form { padding: 22px 16px; border-radius: 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-submit .btn { width: 100%; }
}