/* =====================================================
   contact.css（Final / Glass Enhanced / Clean）
   - 共通（font / header / nav / dropdown / burger / reveal / footer / buttons）は site.css に完全委譲
   - ここには「ページ固有」のみを置く
   - 対象HTML：contact.html（p.contact-note / form-actions / contact-submit-btn）
   ===================================================== */

:root{
  --ink:#163a5c;
  --ink2:#244e7a;

  --paper1:#faf7ef;
  --paper2:#f5f1e8;

  --card-border: rgba(25,90,166,.15);
  --shadow: 0 20px 40px rgba(0,0,0,.10);
}

/* =====================================================
   Page base（site.css の --page-bg / --page-fg を正攻法で差し替え）
===================================================== */
body.contact-page{
  --page-bg:
    radial-gradient(1200px 800px at 10% -10%, rgba(255,255,255,.8) 0%, rgba(255,255,255,0) 60%),
    linear-gradient(180deg, var(--paper1) 0%, var(--paper2) 100%);
  --page-fg: var(--ink);

  color: var(--page-fg);
}

/* 画像は崩れ防止 */
img{ display:block; max-width:100%; height:auto; }

/* =====================================================
   Hero（contact固有：画像指定はここ）
===================================================== */
.sub-hero{
  position:relative;
  min-height:220px;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
  margin-top:64px; /* fixed header offset */
}

.sub-hero--contact{
  /* ★タイトル帯背景画像：ここで指定しています */
  background:url("../images/contact01.jpg") center/cover no-repeat;
}

.sub-hero__overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(22,58,92,.78) 0%, rgba(22,58,92,.72) 100%);
}

.sub-hero__inner{ position:relative; z-index:1; }

.sub-hero__title{
  margin:0;
  font-size:clamp(26px,3vw,36px);
  font-weight:900;
  letter-spacing:.02em;
  color:#eaf4ff;
  text-shadow:0 2px 14px rgba(0,0,0,.35);
}

.sub-hero__lead{
  margin:6px 0 0;
  font-size:14px;
  letter-spacing:.14em;
  color:#bfe2ff;
  text-transform:uppercase;
}

/* =====================================================
   Layout（contact固有：フォーム幅）
===================================================== */
.sub-main{ padding:40px 0; }

.sub-container{
  max-width:760px;
  margin:0 auto;
  padding:0 20px;
}

/* =====================================================
   Contact Note : Glass Card（強化版）
   ※ HTMLは <p class="contact-note reveal-up"> ... </p>
===================================================== */
.contact-note{
  position:relative;
  padding:22px 24px 18px;
  margin:0 0 32px;
  border-radius:16px;

  /* ガラス本体 */
  background: rgba(255,255,255,.45);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);

  border:1px solid rgba(255,255,255,.55);

  box-shadow:
    0 18px 36px rgba(25,90,166,.22),
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -1px 0 rgba(255,255,255,.25);
}

/* 上部ハイライト（ガラス反射） */
.contact-note::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.38), rgba(255,255,255,0) 42%);
  pointer-events:none;
}

/* テキスト */
.contact-note-title{
  display:block;
  margin:0;
  font-size:17px;
  line-height:1.9;
  font-weight:800;
  color:#1d3e63;
  letter-spacing:.01em;
  position:relative;
  padding-bottom:10px; /* 下線の余白 */
}

/* 全文アンダーライン */
.contact-note-title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background: linear-gradient(to right, #195aa6, #7fb6ff);
  border-radius:2px;
  transition: width .9s ease .45s;
}

/* revealで伸びる（site.css の is-inview を利用） */
.contact-note.reveal-up.is-inview .contact-note-title::after{
  width:100%;
}

.contact-note-sub{
  display:block;
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:#2a527f;
}

/* リンクは控えめに強調 */
.contact-note a{
  color:#195aa6;
  font-weight:900;
  text-decoration:none;
  border-bottom:1px solid rgba(25,90,166,.35);
}
.contact-note a:hover{ opacity:.85; }

/* =====================================================
   Form（白カード）
===================================================== */
.contact-form{
  background:#ffffff;
  border-radius:16px;
  padding:28px 26px;
  box-shadow: var(--shadow);
  border:1px solid var(--card-border);
}

.form-row{ margin-bottom:18px; }

.form-row label{
  display:block;
  margin-bottom:6px;
  font-weight:800;
  color:#195aa6;
  letter-spacing:.01em;
}

/* HTML側は .req を使っているので一致させる */
.form-row .req{
  color:#d93b3b;
  margin-left:4px;
  font-weight:900;
}

.form-row input,
.form-row textarea{
  width:100%;
  padding:12px 14px;
  border-radius:10px;
  border:1px solid rgba(25,90,166,.25);
  font-size:15px;
  background:#ffffff;
  color:#163a5c;
  outline:none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-row input:focus,
.form-row textarea:focus{
  border-color: rgba(14,165,233,.55);
  box-shadow: 0 0 0 4px rgba(14,165,233,.14);
}

.form-row textarea{
  min-height:140px;
  resize:vertical;
}

/* =====================================================
   Actions / Submit Button（index風 / シャープ長方形）
===================================================== */
.form-actions{
  text-align:center;
  margin-top:24px;
}

.contact-submit-btn{
  display:inline-block;
  position:relative;
  overflow:hidden;
  padding:14px 40px;

  /* 丸をやめてシャープに */
  border-radius:10px;

  background:#0ea5e9;
  color:#ffffff;
  font-weight:900;
  letter-spacing:.04em;
  border:2px solid #0ea5e9;
  cursor:pointer;

  box-shadow:0 16px 32px rgba(14,165,233,.35);
  transition: color .3s ease, background .3s ease, transform .2s ease, box-shadow .2s ease;
}

/* 白いスライド */
.contact-submit-btn::before{
  content:"";
  position:absolute;
  top:0;
  right:-60px;
  width:100%;
  height:100%;
  border-right:60px solid transparent;
  border-bottom:60px solid #ffffff;
  transform: translateX(-100%);
  transition: transform .3s ease;
  z-index:0;
}

/* hover */
.contact-submit-btn:hover{
  color:#0ea5e9;
  background:#ffffff;
  transform:translateY(-2px);
  box-shadow:0 22px 40px rgba(14,165,233,.45);
}
.contact-submit-btn:hover::before{ transform: translateX(0); }

/* テキストを最前面に */
.contact-submit-btn span{
  position:relative;
  z-index:1;
}

/* =====================================================
   Responsive
===================================================== */
@media (max-width: 640px){
  .sub-container{ padding:0 14px; }
  .contact-note{ padding:18px 16px 16px; }
  .contact-form{ padding:20px 16px; }
  .contact-submit-btn{ width:100%; }
}