/* =====================================================
   airline.css（Page-only / site.css+site.js compatible）
   - 共通（font / header / nav / dropdown / burger / reveal / underline / footer / buttons）は site.css に委譲
   - ここには「ページ固有」のみを置く
   - 画像：
       airline01.jpg : タイトル帯背景
       airline02.jpg : 仕向け地一覧の画像
       airline03.jpg : routes帯の背景（スクロール）
===================================================== */

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

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

/* services系ページの配色（schedule/seaairservicesと同思想） */
body.services-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);
}

/* ===== Sub Hero（ページ固有） ===== */
.sub-hero{
  position:relative;
  min-height:220px;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
  margin-top:64px;
}
.sub-hero--airline{
  background:url("../images/airline01.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(28px,3.2vw,40px);
  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:13px;
  letter-spacing:.16em;
  color:#bfe2ff;
  text-transform:uppercase;
}

/* ===== Layout ===== */
.sub-main{ padding:34px 0 0; }
.sub-container{
  max-width:1100px;
  margin:0 auto;
  padding:40px 20px;
}

/* ===== Small label ===== */
.al-label{
  margin:0 0 10px;
  font-size:13px;
  letter-spacing:.18em;
  font-weight:900;
  color:#195aa6;
  text-transform:uppercase;
}

/* ================= Map-like section ================= */
.al-section--map{ padding: 6px 0 0; }

.al-map-head{ margin:0 0 12px; }

.al-lead{
  margin:10px 0 0;
  color: var(--ink2);
  line-height:1.95;
}

/* 画像は大きめ・説明領域として強めに */
.al-map-figure{
  margin:14px 0 0;
  border-radius:16px;
  overflow:hidden;
  background:#ffffff;
  border: 1px solid rgba(25,90,166,.14);
  box-shadow:
    0 26px 52px rgba(0,0,0,.14),
    0 14px 30px rgba(0,0,0,.10);
}
.al-map-figure img{
  width:100%;
  height:auto;
  display:block;
}

/* ================= SERVICE MENU思想（背景スクロール + ガラスリンク） ================= */
.svc-menu-block{
  position:relative;
  margin-top: 26px;
  padding: 92px 0;
  color:#f6fbff;

  background: url("../images/airline03.jpg") center/cover no-repeat fixed;

  border-top:1px solid rgba(255,255,255,.10);
  border-bottom:1px solid rgba(255,255,255,.10);
  overflow:hidden;
}
.svc-menu-block::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: rgba(14,165,233,.42);
  z-index:0;
}

.svc-menu-inner{
  position:relative;
  z-index:1;
  max-width:1100px;
  margin:0 auto;
  padding: 0 20px;
}

.svc-menu-head{
  max-width:1100px;
  margin: 0 0 22px;
}

.svc-menu-label{
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.18em;
  font-weight:900;
  color:#ffffff;
  text-transform:uppercase;
  text-shadow: 0 2px 12px rgba(0,0,0,.26);
}
.svc-menu-title{
  margin:0 0 12px;
  color:#ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,.32), 0 0 18px rgba(255,255,255,.28);
}
.svc-menu-desc{
  margin:0;
  color:#f0f6ff;
  text-shadow: 0 2px 12px rgba(0,0,0,.26);
}

/* grid */
.svc-menu-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap:14px;
}
@media (max-width:1024px){
  .svc-menu-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width:560px){
  .svc-menu-grid{ grid-template-columns: 1fr; }
}

/* linkcard（services.html思想） */
.ui-linkcard{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:6px;

  border-radius:16px;
  padding:16px 14px;

  overflow:hidden;
  transition: color .30s ease, border-color .30s ease, box-shadow .20s ease, transform .20s ease;
  box-shadow: 0 18px 34px rgba(0,0,0,.22);
}

/* buttonとしても同見た目 */
.ui-linkcard--pdf{
  border:0;
  text-align:left;
  cursor:pointer;
}

.ui-linkcard--dark{
  color:#f6fbff;
  background: rgba(255,255,255,.25);
  border: 1px solid rgba(174,227,255,.30);
  backdrop-filter: blur(10px) saturate(135%);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
}
.ui-linkcard--dark .ui-linkcard__title,
.ui-linkcard--dark .ui-linkcard__sub{
  text-shadow: 0 2px 10px rgba(0,0,0,.22);
}

/* 斜め全面スライド */
.ui-linkcard::before{
  content:"";
  position:absolute;
  inset:-20%;
  z-index:0;
  background: rgba(255,255,255,.92);
  transform: translateX(-120%) skewX(-14deg);
  transition: transform .30s ease;
  pointer-events:none;
}

@media (hover:hover){
  .ui-linkcard:hover::before{
    transform: translateX(0) skewX(-14deg);
  }
  .ui-linkcard--dark:hover{
    color:#0e5ea6;
    border-color: rgba(255,255,255,.92);
    box-shadow: 0 22px 40px rgba(0,0,0,.26);
    transform: translateY(-2px);
  }
}

.ui-linkcard__title,
.ui-linkcard__sub{
  position:relative;
  z-index:1;
}
.ui-linkcard__title{
  font-weight:900;
  letter-spacing:.01em;
}
.ui-linkcard__sub{
  font-size:13px;
  opacity:.92;
}

/* SPは fixed を避ける */
@media (max-width: 768px){
  .svc-menu-block{
    padding: 78px 0;
    background-attachment: scroll;
    background: url("../images/airline03.jpg") center/cover no-repeat;
  }
}

/* ================= PDF Modal ================= */
.pdf-backdrop{
  position: fixed;
  inset: 0;
  z-index: 60000;
  background: rgba(0,0,0,.64);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
body.pdf-open .pdf-backdrop{
  opacity: 1;
  pointer-events: auto;
}

.pdf-modal{
  position: fixed;
  inset: 0;
  z-index: 60010;
  display: grid;
  place-items: center;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
body.pdf-open .pdf-modal{
  opacity: 1;
  pointer-events: auto;
}

.pdf-modal__panel{
  width: min(1100px, 100%);
  height: min(720px, 88vh);
  border-radius: 16px;
  overflow: hidden;

  background: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.65);
  box-shadow:
    0 34px 80px rgba(0,0,0,.45),
    0 18px 44px rgba(0,0,0,.26);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);

  display: grid;
  grid-template-rows: auto 1fr;
}

.pdf-modal__bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 12px 12px;

  background: linear-gradient(180deg, rgba(14,165,233,.12), rgba(255,255,255,0));
  border-bottom: 1px solid rgba(25,90,166,.12);
}
.pdf-modal__title{
  margin:0;
  font-weight:900;
  color:#163a5c;
  letter-spacing:.01em;
}
.pdf-modal__actions{
  display:flex;
  align-items:center;
  gap: 10px;
}
.pdf-modal__open{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  font-weight:800;
  font-size:13px;
  padding: 8px 10px;
  border-radius: 10px;
  color:#195aa6;
  background: rgba(25,90,166,.08);
  border: 1px solid rgba(25,90,166,.14);
}
.pdf-modal__open:hover{ background: rgba(25,90,166,.12); }

.pdf-modal__close{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(25,90,166,.14);
  background: rgba(25,90,166,.08);
  color:#163a5c;
  font-size: 20px;
  cursor: pointer;
}
.pdf-modal__close:hover{ background: rgba(25,90,166,.12); }

.pdf-modal__body{
  position: relative;
  background: #ffffff;
}
.pdf-modal__frame{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
}

/* SP：高さ調整 */
@media (max-width: 640px){
  .sub-container{ padding:34px 14px; }
  .svc-menu-inner{ padding:0 14px; }
  .pdf-modal__panel{
    height: min(72vh, 640px);
  }
}