/* ============================================================
   HARUKAZE common.css
   全ページ共通スタイル
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;600&family=Noto+Sans+JP:wght@400;500&family=Shippori+Mincho:wght@400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --color-navy:  #1E3A5F;
  --color-sky:   #0EA5E9;
  --color-pink:  #FF8FAB;
  --color-ice:   #E0F2FE;
  --color-white: #FFFFFF;

  /* ディスプレイ（見出し）用フォント */
  --font-display: 'Cormorant Garamond', 'Shippori Mincho', serif;

  /* Girls LAB 用 */
  --girls-gray:      #F2F2F0;
  --girls-gray-mid:  #D0CECE;
  --girls-pink:      #FF2D78;
  --girls-pink-sub:  #FF85AB;
  --girls-text:      #1A1A1A;
  --girls-white:     #FFFFFF;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, "Noto Sans JP", sans-serif;
  font-weight: 400;
  line-height: 1.8;
  color: #333;
  background: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.4;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-navy);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

/* ロゴ */
.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.5;
  gap: 2px;
}

.nav-logo-sub {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: #fff;
  opacity: 0.8;
}

.nav-logo-main {
  font-size: 22px;
  font-weight: 600;
  font-family: var(--font-display);
  color: #fff;
  letter-spacing: 0.18em;
  text-transform: none;
  font-feature-settings: "palt";
  background: linear-gradient(135deg, #fff 0%, rgba(224,242,254,0.9) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

/* PC メニュー */
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  font-size: 13px;
  color: #fff;
  opacity: 0.9;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.nav-links a:hover {
  opacity: 1;
}

/* CTAボタン */
.nav-cta {
  display: inline-block;
  background: var(--color-sky);
  color: #fff !important;
  opacity: 1 !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s !important;
  white-space: nowrap;
}

.nav-cta:hover {
  background: #0284c7 !important;
  transform: translateY(-1px);
}

/* ハンバーガー */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルオーバーレイ */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.mobile-nav-overlay.open {
  display: flex;
}

.mobile-nav-overlay a {
  font-size: 18px;
  color: #fff;
  letter-spacing: 0.08em;
  transition: opacity 0.2s;
}

.mobile-nav-overlay a:hover {
  opacity: 0.7;
}

.mobile-nav-overlay .nav-cta {
  margin-top: 8px;
  font-size: 16px;
  padding: 12px 32px;
}

/* モバイルナビ：区切り線 */
.mobile-nav-divider {
  width: 100%;
  border: none;
  border-top: 1px solid rgba(255,255,255,0.2);
  margin: 8px 0 4px;
}

/* モバイルナビ：女性ラベル */
.mobile-nav-girls-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

/* モバイルナビ：Girls LABリンク（ピンク） */
.mobile-nav-girls {
  font-size: 18px !important;
  color: var(--girls-pink) !important;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.mobile-nav-girls:hover {
  opacity: 0.75;
}

/* ロゴ main：長いテキスト対応 */
.nav-logo-main {
  font-size: 18px !important;
}

/* body に nav 分のパディング */
body {
  padding-top: 64px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: #fff;
  padding: 60px 24px 32px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-bottom: 40px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-line-btn { display: none !important; }
.footer-line-btn:hover {}

.footer-girls-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.45);
  margin-top: 32px;
  margin-bottom: 8px;
}

.footer-girls-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-pink) !important;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  transition: opacity 0.2s;
}

.footer-girls-link:hover {
  opacity: 0.75;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 20px;
  margin-top: 8px;
}

/* ============================================================
   FLOATING BUTTONS
   ============================================================ */

/* LINE フローティングボタン（右下）— 非表示 */
.float-line-btn { display: none !important; }
.float-line-btn:hover {}

/* サイドフローティングボタン（右端） */
.float-side-btns {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.float-side-btn {
  display: block;
  background: var(--color-sky);
  color: #fff;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding: 20px 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 8px 0 0 8px;
  box-shadow: -2px 2px 10px rgba(0,0,0,0.15);
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}

.float-side-btn:hover {
  background: #0284c7;
  transform: translateX(-3px);
}

/* ============================================================
   共通ユーティリティ
   ============================================================ */

/* セクション共通 */
.section {
  padding: 80px 24px;
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-ice {
  background: var(--color-ice);
}

.section-navy {
  background: var(--color-navy);
  color: #fff;
}

/* セクション見出し */
.section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 16px;
}

.section-navy .section-title {
  color: #fff;
}

.section-sub {
  font-size: 15px;
  color: #555;
  margin-bottom: 48px;
}

.section-navy .section-sub {
  color: rgba(255,255,255,0.8);
}

/* ボタン共通 */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-navy {
  background: var(--color-navy);
  color: #fff;
}

.btn-navy:hover {
  background: #142b4a;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(30,58,95,0.3);
}

.btn-sky {
  background: var(--color-sky);
  color: #fff;
}

.btn-sky:hover {
  background: #0284c7;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(14,165,233,0.3);
}

.btn-line {
  background: #06C755;
  color: #fff;
}

.btn-line:hover {
  background: #05a847;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(6,199,85,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-sky);
  border: 2px solid var(--color-sky);
}

.btn-outline:hover {
  background: var(--color-sky);
  color: #fff;
  transform: translateY(-2px);
}

/* ピンクタグ */
.tag-pink {
  display: inline-block;
  background: var(--color-pink);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 14px;
  letter-spacing: 0.06em;
}

/* skyタグ */
.tag-sky {
  display: inline-block;
  background: var(--color-sky);
  color: #fff;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 14px;
}

/* カード */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-ice);
  border-radius: 12px;
  padding: 28px;
}

/* テキストリンク */
.text-link {
  color: var(--color-sky);
  font-size: 14px;
  transition: opacity 0.2s;
}

.text-link:hover {
  opacity: 0.7;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .section {
    padding: 60px 20px;
  }

  .float-side-btn {
    font-size: 10px;
    padding: 14px 8px;
  }

  .float-line-btn {
    bottom: 16px;
    right: 16px;
    font-size: 13px;
    padding: 12px 16px;
  }
}

@media (min-width: 769px) {
  .site-nav {
    padding: 0 40px;
  }

  .footer-inner {
    padding: 0;
  }
}

/* ============================================================
   ディスプレイフォント — タイトル・キャッチコピー
   Shippori Mincho を全ページのメインタイトルに適用
   ============================================================ */
.hero-title,
.page-hero-title,
.cta-title,
.girls-hero-title {
  font-family: var(--font-display);
}
