/* ===== TOPWIND18 サイト共通スタイル =====
   ブランドカラー: ロゴのネイビー × ティール（青緑）
*/
:root {
  --navy: #2b4d8f;
  --navy-deep: #1d3a70;
  --teal: #0fa3a8;
  --teal-dark: #0b8489;
  --blue: #3d78c0;
  --sky: #f2f9fd;
  --sky-2: #e2f1fa;
  --ink: #22324e;
  --ink-soft: #55657f;
  --line: #dfe8f2;
  --white: #ffffff;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--ink);
  line-height: 1.8;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal-dark); text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== ヘッダー ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand { display: flex; align-items: center; }

.brand img { height: 34px; width: auto; }

.global-nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
}

.global-nav a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}

.global-nav a:hover,
.global-nav a[aria-current="page"] {
  background: var(--sky-2);
  color: var(--navy-deep);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
}

/* ===== ヒーロー（写真） ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: url("images/hero-beach.jpg") center 60% / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(255, 255, 255, 0.82) 34%,
    rgba(255, 255, 255, 0.35) 62%,
    rgba(255, 255, 255, 0.05) 100%);
}

.hero-inner { position: relative; width: 100%; padding: 90px 0; }

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--teal-dark);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  margin-bottom: 24px;
}

.hero .eyebrow::before {
  content: "";
  width: 42px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 800;
  line-height: 1.38;
  color: var(--navy-deep);
  letter-spacing: 0.02em;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero p.lead {
  margin-top: 20px;
  max-width: 30em;
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 500;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(15, 163, 168, 0.35);
}

.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.92);
  color: var(--navy);
  border: 1px solid rgba(43, 77, 143, 0.3);
}

.btn-ghost:hover { background: var(--white); transform: translateY(-2px); }

/* ===== セクション共通 ===== */
.section { padding: 88px 0; }

.section.alt { background: linear-gradient(180deg, var(--sky), var(--sky-2)); }

.section-head { text-align: center; margin-bottom: 52px; }

.section-head .en {
  display: block;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--navy-deep);
}

.section-head p.desc {
  margin-top: 14px;
  color: var(--ink-soft);
}

/* ===== 強みカード（写真付き） ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(43, 77, 143, 0.07);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(43, 77, 143, 0.13); }

.feature-card .photo {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.feature-card .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card .body { padding: 26px 24px 30px; }

.feature-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-card h3::before {
  content: "";
  width: 8px;
  height: 22px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--teal), var(--blue));
  flex-shrink: 0;
}

.feature-card p { font-size: 0.94rem; color: var(--ink-soft); }

/* ===== 写真ギャラリー（サービス上部） ===== */
.photo-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 44px;
}

.photo-duo figure {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(43, 77, 143, 0.12);
}

.photo-duo img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

/* ===== サービス一覧 ===== */
.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
}

.service-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: 0 2px 10px rgba(43, 77, 143, 0.05);
}

.service-item .num {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: var(--white);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
}

.service-item h3 { font-size: 1.02rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }

.service-item p { font-size: 0.9rem; color: var(--ink-soft); }

/* ===== 写真バンド ===== */
.photo-band {
  position: relative;
  background: url("images/sky-wing.jpg") center / cover no-repeat fixed;
  padding: 110px 20px;
  text-align: center;
  color: var(--white);
}

.photo-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(29, 58, 112, 0.82), rgba(11, 132, 137, 0.62));
}

.photo-band .inner { position: relative; }

.photo-band h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; letter-spacing: 0.03em; }

.photo-band p { margin-top: 12px; opacity: 0.92; font-size: 1rem; }

/* ===== CTA帯 ===== */
.cta-band {
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 45%, var(--teal-dark));
  color: var(--white);
  text-align: center;
  padding: 76px 20px;
}

.cta-band h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; }

.cta-band p { margin-top: 12px; opacity: 0.9; }

.cta-band .btn {
  margin-top: 28px;
  background: var(--white);
  color: var(--navy-deep);
}

.cta-band .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25); }

/* ===== ページヘッダー（下層） ===== */
.page-header {
  background: linear-gradient(150deg, var(--sky) 0%, var(--sky-2) 55%, #d2ebf7 100%);
  padding: 68px 0;
  text-align: center;
}

.page-header .en {
  display: block;
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-header h1 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 800; color: var(--navy-deep); }

/* ===== 会社概要テーブル ===== */
.company-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(43, 77, 143, 0.06);
}

.company-table th,
.company-table td {
  padding: 20px 26px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 0.97rem;
  vertical-align: top;
}

.company-table tr:last-child th,
.company-table tr:last-child td { border-bottom: none; }

.company-table th {
  width: 200px;
  background: var(--sky);
  color: var(--navy);
  font-weight: 700;
  white-space: nowrap;
}

/* ===== お問い合わせ ===== */
.contact-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  box-shadow: 0 6px 22px rgba(43, 77, 143, 0.10);
}

.contact-card .photo img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.contact-card .body { padding: 38px 32px 44px; }

.contact-card .mail-label {
  font-size: 0.82rem;
  color: var(--teal-dark);
  font-weight: 700;
  letter-spacing: 0.2em;
}

.contact-card .mail-address {
  display: inline-block;
  margin-top: 10px;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  font-weight: 800;
  color: var(--navy-deep);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.contact-card .mail-btn { margin-top: 24px; }

.contact-note {
  max-width: 640px;
  margin: 26px auto 0;
  background: #fff8ef;
  border: 1px solid #f0ddc2;
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 0.9rem;
  color: #96610b;
  text-align: center;
}

/* ===== フッター ===== */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 50px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand .name { font-weight: 700; color: var(--white); font-size: 1.05rem; }

.footer-brand .addr { font-size: 0.85rem; margin-top: 6px; opacity: 0.8; }

.footer-nav ul { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; }

.footer-nav a { color: rgba(255, 255, 255, 0.85); font-size: 0.9rem; }

.footer-nav a:hover { color: var(--white); text-decoration: underline; }

.copyright {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
  text-align: center;
  opacity: 0.7;
}

/* ===== レスポンシブ ===== */
@media (max-width: 760px) {
  .header-inner { height: 60px; }

  .brand img { height: 26px; }

  .nav-toggle { display: block; }

  .global-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    display: none;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  }

  .global-nav.open { display: block; }

  .global-nav ul { flex-direction: column; gap: 0; padding: 10px 0; }

  .global-nav a { border-radius: 0; padding: 14px 24px; }

  .hero { min-height: 480px; }

  .hero::before {
    background: linear-gradient(180deg,
      rgba(255, 255, 255, 0.94) 0%,
      rgba(255, 255, 255, 0.82) 55%,
      rgba(255, 255, 255, 0.4) 100%);
  }

  .hero-inner { padding: 64px 0; }

  .section { padding: 60px 0; }

  .feature-grid { grid-template-columns: 1fr; }

  .photo-duo { grid-template-columns: 1fr; }

  .photo-duo img { height: 190px; }

  .photo-band { background-attachment: scroll; padding: 80px 20px; }

  .company-table th { width: 118px; padding: 16px; }

  .company-table td { padding: 16px; }

  .contact-card .photo img { height: 170px; }

  .contact-card .body { padding: 30px 22px 36px; }

  .footer-inner { flex-direction: column; }
}
