:root {
  --ink: #0e2d61; --ink2: #3e4f72; --muted: #8a90a3; --line: #eceef2; --band: #f6f7f9;
  --coral: #0f9188; --coral2: #1ab0a6; --violet: #0e2d61; --tint: #e6f6f4;
  --grad: linear-gradient(90deg, #1ab0a6 0%, #1592a6 45%, #0e2d61 100%);
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.nw { white-space: nowrap; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* header */
.gh { position: sticky; top: 0; z-index: 10; background: #fffffff2; backdrop-filter: blur(12px); border-bottom: 1px solid #f1f2f5; }
.gh-in { display: flex; align-items: center; gap: 28px; max-width: 1180px; margin: auto; padding: 12px 24px; }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; font-size: 1.5rem; font-weight: 800; letter-spacing: .02em; }
.logo img { border-radius: 0; }
.gnav { display: flex; gap: 26px; margin-left: auto; font-size: .875rem; font-weight: 700; }
.gnav a { text-decoration: none; }
.gnav a:hover { color: var(--coral); }
.pill { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; background: linear-gradient(90deg, #1ab0a6, #0f8f9a); color: #fff; font-weight: 800; letter-spacing: .06em; text-decoration: none; box-shadow: 0 8px 20px #0f918840; transition: transform .15s, box-shadow .15s; }
.pill:hover { transform: translateY(-2px); box-shadow: 0 12px 26px #0f918855; }
.pill-sm { padding: 8px 18px; font-size: .8125rem; }
.pill-lg { min-width: 260px; padding: 16px 32px; font-size: 1.0625rem; }
.pill-white { background: #fff; color: var(--coral); box-shadow: 0 8px 24px #0000001f; }
.note { margin: 10px 0 0; font-size: .6875rem; color: var(--muted); }

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(120deg, #f2fbfa 0%, #eef8f9 50%, #eef1f8 100%); }
.hero-in { position: relative; display: grid; grid-template-columns: minmax(0, 470px) 1fr; align-items: center; gap: 40px; max-width: 1180px; margin: auto; padding: 56px 24px 72px; }
.hero-card { position: relative; z-index: 2; padding: 40px 36px 32px; border-radius: 28px; background: #fff; box-shadow: 0 20px 60px #0e2d6114; text-align: center; }
.hero-kicker { margin: 0; font-size: .875rem; font-weight: 800; letter-spacing: .2em; color: var(--coral); }
.hero h1 { margin: 6px 0 14px; font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.3; font-weight: 900; letter-spacing: .02em; }
.hero h1 .grad { font-size: 1.12em; }
.hero-lead { margin: 0 0 14px; font-size: .9375rem; color: var(--ink2); font-weight: 600; }
.hero-points { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 0 0 22px; padding: 0; list-style: none; }
.hero-points li { padding: 3px 12px; border-radius: 999px; background: var(--tint); font-size: .75rem; font-weight: 700; color: var(--coral); }
.hero-visual { position: relative; height: 560px; }
.blob { position: absolute; inset: 0 -120px -40px 30px; border-radius: 48% 52% 46% 54% / 55% 45% 55% 45%; background: linear-gradient(135deg, #1ab0a6 0%, #1592a6 45%, #0e2d61 100%); opacity: .9; }
.phone { position: absolute; width: 250px; border-radius: 36px; border: 8px solid #0e2d61; background: #fff; box-shadow: 0 30px 60px #0e2d6140; }
.phone-front { left: 34%; top: 40px; z-index: 2; }
.phone-back { left: 8%; top: 110px; transform: rotate(-8deg); opacity: .96; }
.float { position: absolute; z-index: 3; padding: 8px 16px; border-radius: 999px; background: #fff; font-size: .875rem; font-weight: 800; box-shadow: 0 10px 24px #0e2d611f; animation: bob 4s ease-in-out infinite; }
.f1 { right: 4%; top: 70px; color: #1d9b72; }
.f2 { right: 0; top: 270px; color: var(--coral); animation-delay: -1.3s; }
.f3 { left: 2%; bottom: 40px; color: #0e2d61; animation-delay: -2.6s; }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* values */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 980px; margin: -36px auto 0; padding: 0 24px; position: relative; z-index: 3; }
.value { padding: 22px; border-radius: 20px; background: #fff; box-shadow: 0 12px 34px #0e2d6114; text-align: center; }
.value b { display: block; font-size: 1.75rem; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.value span { font-size: .8125rem; font-weight: 700; color: var(--ink2); }

/* sections */
.sec { max-width: 1180px; margin: auto; padding: 96px 24px; }
.sec-head { margin-bottom: 48px; }
.sec-head h2 { display: inline-block; margin: 0; font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 900; letter-spacing: .04em; }
.en { margin: 2px 0 0; font-size: .875rem; font-weight: 800; color: var(--coral); letter-spacing: .04em; }
.sec-lead { margin: 14px 0 0; font-size: 1rem; color: var(--ink2); }
.feat { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 56px; margin: 0 0 72px; }
.feat.rev .feat-text { order: 2; }
.feat-kicker { display: inline-block; margin: 0; font-size: 1.75rem; font-weight: 900; }
.feat h3 { margin: 6px 0 12px; font-size: 1.375rem; font-weight: 800; }
.feat p { margin: 0; color: var(--ink2); }
.feat-img { display: grid; place-items: center; padding: 36px; border-radius: 32px; background: linear-gradient(135deg, #eefaf8, #eef2fa); }
.feat-img img { width: 240px; border-radius: 30px; border: 7px solid #0e2d61; box-shadow: 0 24px 48px #0e2d6130; }
.band-pink { max-width: none; background: linear-gradient(180deg, #f1faf9, #eef6f9); }
.band-pink > * { max-width: 1132px; margin-left: auto; margin-right: auto; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding: 0; list-style: none; text-align: center; }
.steps img { width: 200px; margin: 0 auto 18px; border-radius: 26px; border: 6px solid #0e2d61; box-shadow: 0 18px 36px #0e2d6126; }
.step { display: inline-block; padding: 4px 16px; border-radius: 8px; background: var(--coral); color: #fff; font-size: .8125rem; font-weight: 800; letter-spacing: .06em; }
.steps h3 { margin: 12px 0 6px; font-size: 1.25rem; }
.steps p { margin: 0; color: var(--ink2); font-size: .9375rem; }
.safety { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 0; list-style: none; }
.safety li { padding: 26px 24px; border-radius: 22px; border: 1px solid var(--line); background: #fff; }
.s-ico { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--tint); color: var(--coral); }
.s-ico svg { width: 26px; height: 26px; }
.safety h3 { margin: 14px 0 6px; font-size: 1.125rem; }
.safety p { margin: 0; font-size: .875rem; color: var(--ink2); }
.cta-band { padding: 72px 24px; text-align: center; color: #fff; background: linear-gradient(120deg, #1ab0a6 0%, #1592a6 50%, #0e2d61 100%); }
.cta-band h2 { margin: 0; font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 900; letter-spacing: .04em; }
.cta-band p { margin: 8px 0 26px; font-weight: 700; }
.cta-band .note { color: #ffffffd9; margin-top: 14px; }
.faq { max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; gap: 14px; padding: 22px 4px; cursor: pointer; list-style: none; font-weight: 800; font-size: 1.0625rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; margin-left: auto; font-size: 1.4rem; line-height: 1; color: var(--coral); }
.faq details[open] summary::after { content: '−'; }
.faq b { color: var(--coral); font-size: 1.25rem; line-height: 1.3; }
.faq details p { display: flex; gap: 14px; margin: 0; padding: 0 4px 22px; color: var(--ink2); }
.faq details p b { color: #0e2d61; }

/* footer */
.gf { background: var(--band); }
.gf-in { max-width: 1180px; margin: auto; padding: 48px 24px 40px; text-align: center; }
.gf .logo { justify-content: center; }
.gf-tag { margin: 6px 0 18px; font-weight: 700; color: var(--ink2); }
.sns { display: flex; justify-content: center; gap: 14px; margin: 0 0 22px; padding: 0; list-style: none; }
.sns a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: #fff; color: var(--ink); box-shadow: 0 4px 12px #0e2d6114; }
.sns a:hover { color: var(--coral); }
.sns svg { width: 22px; height: 22px; fill: none; }
.gf-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; font-size: .8125rem; font-weight: 700; }
.gf-links a { text-decoration: none; }
.gf-note { margin: 18px 0 0; font-size: .75rem; color: var(--muted); }
.copy { margin: 6px 0 0; font-size: .75rem; color: var(--muted); }

/* sub pages */
.sub-hero { padding: 72px 24px 64px; text-align: center; background: linear-gradient(120deg, #f2fbfa 0%, #eef8f9 50%, #eef1f8 100%); }
.sub-hero h1 { margin: 8px 0 12px; font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 900; line-height: 1.35; }
.sub-hero .hero-lead { max-width: 640px; margin: 0 auto 24px; }
.steps-text li { padding: 28px 20px; border-radius: 22px; background: #fff; border: 1px solid var(--line); }
.press-logos { display: flex; flex-wrap: wrap; gap: 24px; }
.press-logos figure { margin: 0; padding: 20px; border-radius: 20px; border: 1px solid var(--line); text-align: center; }
.press-logos figcaption { margin-top: 10px; font-size: .8125rem; font-weight: 700; }

/* legal pages */
.doc { max-width: 820px; margin: auto; padding: 56px 24px 80px; }
.doc h1 { font-size: 1.75rem; margin: 0 0 6px; }
.doc .updated { margin: 0 0 28px; color: var(--muted); font-size: .8125rem; }
.doc h2 { margin: 32px 0 8px; font-size: 1.125rem; }
.doc p, .doc li { color: var(--ink2); font-size: .9375rem; }
.doc .draft { padding: 14px 18px; border-radius: 14px; background: var(--tint); color: var(--coral); font-weight: 700; font-size: .875rem; }

@media (max-width: 900px) {
  .gnav { display: none; }
  .gh-in { justify-content: space-between; }
  .hero-in { grid-template-columns: 1fr; padding: 28px 16px 64px; gap: 0; }
  .hero-card { padding: 30px 22px 24px; }
  .hero-visual { height: 460px; margin-top: 24px; }
  .blob { inset: 10px -60px 0 -60px; }
  .phone { width: 200px; border-width: 6px; border-radius: 30px; }
  .phone-front { left: 40%; top: 20px; }
  .phone-back { left: 4%; top: 70px; }
  .f1 { right: 2%; top: 10px; } .f2 { right: -2%; top: 300px; } .f3 { left: 0; bottom: 10px; }
  .values { grid-template-columns: 1fr; margin-top: -30px; padding: 0 16px; }
  .sec { padding: 72px 16px; }
  .feat, .feat.rev { grid-template-columns: 1fr; gap: 24px; margin-bottom: 56px; }
  .feat.rev .feat-text { order: 0; }
  .steps, .safety { grid-template-columns: 1fr; }
  .pill-lg { min-width: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .float { animation: none; } .pill { transition: none; } }