/* SASENAI 新HP 共通スタイル（簡易版） */
:root {
  --ink: #394868;          /* 本文・見出し（ネイビー） */
  --ink-soft: #6b7590;
  --line: #e7e9f0;
  --bg: #ffffff;
  --bg-soft: #fbf8f9;
  --pink: #e198a6;         /* アクセント（ベタ塗りのメインには使わない） */
  --pink-tint: #fbeef1;
  --teal: #a2d7dd;         /* アクセント */
  --teal-tint: #eaf6f7;
  --navy: #394868;
  --radius: 16px;
  --header-h: 80px;
  --font: "Zen Maru Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
}
@media (min-width: 1024px) { :root { --header-h: 112px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 64px); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.9; font-weight: 500; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .container { padding: 0 24px; } }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---------- 背景の装飾 ---------- */
.page-bg { position: absolute; inset: 0 0 auto 0; height: 760px; pointer-events: none; z-index: -1; overflow: hidden;
  background:
    radial-gradient(520px 420px at 12% 18%, rgba(225,152,166,.16), transparent 70%),
    radial-gradient(560px 460px at 88% 8%, rgba(162,215,221,.22), transparent 70%),
    radial-gradient(600px 400px at 60% 70%, rgba(225,152,166,.08), transparent 70%);
}

/* ---------- ヘッダー ---------- */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 40; transition: background .3s, box-shadow .3s; }
.site-header.is-scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); max-width: 1280px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 1024px) { .site-header__inner { padding: 0 56px; } }
.site-header__logo img { height: 40px; width: auto; }
@media (min-width: 1024px) { .site-header__logo img { height: 48px; } }
.site-nav { display: none; gap: 32px; align-items: center; font-weight: 700; font-size: 15px; }
.site-nav a { text-decoration: none; transition: color .2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--pink); }
@media (min-width: 1024px) { .site-nav { display: flex; } }
.site-header__spacer { width: 120px; display: none; }
@media (min-width: 1024px) { .site-header__spacer { display: block; } }

.menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 0; border-radius: 999px; background: rgba(255,255,255,.8); box-shadow: 0 2px 10px rgba(57,72,104,.1); cursor: pointer; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { content: ""; display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: transform .25s, background .25s; }
.menu-btn span::before { position: absolute; top: -6px; } .menu-btn span::after { position: absolute; top: 6px; }
.menu-btn[aria-expanded="true"] span { background: transparent; }
.menu-btn[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
@media (min-width: 1024px) { .menu-btn { display: none; } }

.mobile-nav { position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; box-shadow: 0 12px 24px rgba(57,72,104,.08); border-top: 1px solid var(--line); padding: 8px 16px 20px; z-index: 39; }
.mobile-nav a { display: block; padding: 14px 4px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--line); }
.mobile-nav a:last-child { border-bottom: 0; }
@media (min-width: 1024px) { .mobile-nav { display: none !important; } }

/* ---------- ページ見出し ---------- */
.page-hero { padding: calc(var(--header-h) + 40px) 0 24px; text-align: center; }
.page-hero__en { margin: 0; font-size: 48px; line-height: 1.2; font-weight: 700; letter-spacing: .04em;
  background: linear-gradient(135deg, var(--pink) 55%, var(--teal) 75%); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (min-width: 768px) { .page-hero__en { font-size: 72px; } }
.page-hero__ja { margin: 12px 0 0; font-size: 18px; font-weight: 700; letter-spacing: .08em; }
@media (min-width: 768px) { .page-hero__ja { font-size: 20px; } }

/* ---------- お問い合わせ導線 ---------- */
.contact-cta { padding: 72px 0 88px; text-align: center; background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.contact-cta__label { margin: 0; font-size: 14px; font-weight: 700; letter-spacing: .2em; color: var(--pink); }
.contact-cta__title { margin: 8px 0 12px; font-size: 24px; line-height: 1.5; }
@media (min-width: 768px) { .contact-cta__title { font-size: 30px; } }
.contact-cta__text { margin: 0 0 28px; color: var(--ink-soft); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 32px; border-radius: 999px; background: var(--navy); color: #fff; font-weight: 700; text-decoration: none; transition: transform .2s, box-shadow .2s; box-shadow: 0 6px 18px rgba(57,72,104,.18); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(57,72,104,.22); }

/* ---------- フッター ---------- */
.site-footer { padding: 56px 0 32px; border-top: 1px solid var(--line); background: #fff; }
@media (min-width: 768px) { .site-footer { padding: 80px 0 40px; } }
.site-footer__grid { display: grid; gap: 48px; }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1fr 1fr; align-items: center; } }
.site-footer__brand { display: flex; flex-direction: column; align-items: center; text-align: center; }
.site-footer__brand img { height: 96px; width: auto; margin-bottom: 20px; }
.site-footer__tagline { margin: 0 0 20px; font-size: 14px; color: var(--ink-soft); line-height: 1.8; }
.sns { display: flex; gap: 28px; }
.sns a { display: inline-flex; width: 24px; height: 24px; color: var(--ink); transition: transform .2s, color .2s; }
.sns a:hover { transform: scale(1.1); color: var(--pink); }
.sns svg { width: 100%; height: 100%; fill: currentColor; }
.site-footer__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.site-footer__links h3 { margin: 0 0 12px; font-size: 14px; letter-spacing: .08em; }
.site-footer__links ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.site-footer__links li { margin-bottom: 8px; }
.site-footer__links a { text-decoration: none; color: var(--ink-soft); }
.site-footer__links a:hover { color: var(--pink); }
.site-footer__copy { margin: 48px 0 0; text-align: center; font-size: 12px; color: var(--ink-soft); }

/* footer-ext：フッターの外部リンク（新しいタブ）に移動マーク */
.site-footer__links a[target="_blank"]::after{content:'';display:inline-block;width:.85em;height:.85em;margin-left:.3em;vertical-align:-.05em;background-color:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 4h6v6'/%3E%3Cpath d='M20 4l-9 9'/%3E%3Cpath d='M18 14v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h5'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 4h6v6'/%3E%3Cpath d='M20 4l-9 9'/%3E%3Cpath d='M18 14v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1h5'/%3E%3C/svg%3E") center/contain no-repeat;opacity:.75}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}