/* ＹＫプランニング HP制作サイト — shared styles */
:root {
  --ink: #0f172a;
  --ink-2: #334155;
  --mute: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --navy: #0b1224;
  --blue: #3b82f6;
  --blue-soft: #60a5fa;
  --pink: #ec4899;
  --pink-soft: #f472b6;
  --grad: linear-gradient(135deg, #60a5fa 0%, #f472b6 100%);
  --grad-strong: linear-gradient(135deg, #2563eb 0%, #db2777 100%);
  --radius: 18px;
  --shadow: 0 24px 50px -30px rgba(15, 23, 42, .35);
  --max: 1160px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Noto Sans JP', sans-serif; color: var(--ink); background: var(--bg); line-height: 1.9; letter-spacing: .03em; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.en { font-family: 'Outfit', sans-serif; letter-spacing: .04em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: .08em; }
.brand img { width: 30px; height: 30px; }
.brand small { display: block; font-size: 10px; font-weight: 500; color: var(--mute); letter-spacing: .12em; line-height: 1; }
.gnav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; }
.gnav a:not(.btn) { position: relative; padding: 4px 0; color: var(--ink-2); }
.gnav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--grad); transform: scaleX(0); transition: transform .3s; transform-origin: left; }
.gnav a:not(.btn):hover::after, .gnav a[aria-current="page"]::after { transform: scaleX(1); }
.gnav a[aria-current="page"] { color: var(--ink); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }
.menu-toggle span:nth-child(1) { top: 15px; } .menu-toggle span:nth-child(2) { top: 21px; } .menu-toggle span:nth-child(3) { top: 27px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-weight: 700; font-size: 14px; border: 1px solid transparent; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s, color .25s; font-family: inherit; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad-strong); color: #fff; box-shadow: 0 14px 30px -14px rgba(219, 39, 119, .55); }
.btn-primary:hover { box-shadow: 0 18px 34px -14px rgba(219, 39, 119, .7); }
.btn-ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink-2); }
.btn-dark { background: var(--navy); color: #fff; }
.btn-lg { padding: 16px 34px; font-size: 15px; }

/* Sections */
section { padding: 110px 0; }
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head .eyebrow { display: inline-block; font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 13px; letter-spacing: .2em; color: var(--pink); margin-bottom: 8px; }
.sec-head h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.5; letter-spacing: .06em; }
.sec-head p { color: var(--mute); margin-top: 14px; font-size: 15px; }
.bg-soft { background: var(--bg-soft); }
.bg-navy { background: var(--navy); color: #e2e8f0; }
.bg-navy .sec-head p { color: #94a3b8; }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }

/* Page hero (sub pages) */
.page-hero { padding: 90px 0 70px; background: radial-gradient(ellipse at 20% 0%, rgba(96,165,250,.18), transparent 55%), radial-gradient(ellipse at 90% 20%, rgba(244,114,182,.16), transparent 50%), var(--bg-soft); text-align: center; }
.page-hero .eyebrow { font-family: 'Outfit', sans-serif; font-weight: 600; letter-spacing: .2em; font-size: 13px; color: var(--pink); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.4; margin: 8px 0 16px; letter-spacing: .06em; }
.page-hero p { color: var(--ink-2); max-width: 640px; margin: 0 auto; }

/* CTA band */
.cta { background: var(--navy); color: #fff; text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: -40% -10% auto; height: 120%; background: radial-gradient(ellipse at 30% 50%, rgba(96,165,250,.35), transparent 60%), radial-gradient(ellipse at 75% 50%, rgba(244,114,182,.3), transparent 60%); pointer-events: none; }
.cta .wrap { position: relative; }
.cta h2 { font-size: clamp(24px, 3vw, 36px); line-height: 1.6; }
.cta p { color: #cbd5e1; margin: 14px 0 32px; }
.cta .btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }

/* Footer */
.site-footer { background: #070b16; color: #94a3b8; padding: 56px 0 30px; font-size: 13px; }
.site-footer .cols { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 34px; }
.site-footer .brand { color: #fff; }
.site-footer nav { display: flex; gap: 26px; flex-wrap: wrap; }
.site-footer nav a:hover { color: #fff; }
.site-footer .copy { border-top: 1px solid #1e293b; padding-top: 22px; text-align: center; font-size: 12px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .gnav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 24px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(0,0,0,.25); transform: translateY(-130%); transition: transform .4s; z-index: -1; }
  .gnav.open { transform: none; }
  .gnav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .gnav .btn { margin-top: 16px; }
  section { padding: 80px 0; }
}