@charset "UTF-8";
/* ==========================================================================
   common.scss — 共通基盤スタイル
   Reset · Base · Variables · Layout · Header · Navigation · Footer · Animation
   ========================================================================== */
/* --------------------------------------------------------------------------
   1. モダン CSS リセット
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  -ms-text-size-adjust: none;
      text-size-adjust: none;
}

html, body {
  overflow-x: clip;
}

input,
button,
textarea,
select {
  appearance: none;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  outline: none;
  -webkit-appearance: none;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}
a:hover {
  opacity: 0.7;
  transition: 0.2s;
}

fieldset {
  border: none;
}

img,
video,
svg,
canvas {
  display: block;
  height: auto;
  max-width: 100%;
}

button,
[type=button],
[type=reset],
[type=submit] {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   2. CSS カスタムプロパティ
   -------------------------------------------------------------------------- */
:root {
  /* レイアウト */
  --container-width: 1200px;
  --container-padding: clamp(1.25rem, 5vw, 2.5rem);
  /* スペーシング */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  /* カラー */
  --color-bg: #ffffff;
  --color-bg-subtle: #f5f5f3;
  --color-primary: #333333;
  --color-text: #333333;
  --color-text-muted: #888883;
  --color-accent: #c8a96e;
  --color-border: rgba(0, 0, 0, 0.1);
  --color-nav-text: #080e2a;
  --color-toggle-top: #3754ed;
  --color-toggle-mid: #131b62;
  /* オーバーレイ */
  --color-overlay-bg: #0f0f0f;
  --color-overlay-text: #f0ede8;
  /* フォント — 日本語優先スタック */
  --font-body: "Hiragino Kaku Gothic ProN", "Hiragino Sans",
                  "BIZ UDPGothic", Meiryo, sans-serif;
  --font-display: "Hiragino Mincho ProN", "Yu Mincho",
                  "YuMincho", serif;
  /* フォントサイズ */
  --text-2xs: 0.8125rem; /* 13px */
  --text-xs: 0.75rem; /* 12px */
  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-md: 1.125rem; /* 18px */
  --text-lg: 1.375rem; /* 22px */
  --text-xl: 1.75rem; /* 28px */
  --text-2xl: 2.25rem; /* 36px */
  --text-3xl: clamp(2rem, 5vw, 3.5rem);
  /* 行間 */
  --leading-tight: 1.3;
  --leading-snug: 1.5;
  --leading-normal: 1.8;
  --leading-lg: 2;
  /* モーション */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
  --duration-fast: 180ms;
  --duration-base: 300ms;
  --duration-slow: 520ms;
  /* 角丸 */
  --radius-sm: 4px;
  --radius-md: 8px;
  /* ヘッダー */
  --header-height: 4.5rem;
}

/* --------------------------------------------------------------------------
   3. ベーススタイル
   -------------------------------------------------------------------------- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: #ffffff;
  color: #333333;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans",
                  "BIZ UDPGothic", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.menu-open {
  overflow: hidden;
}

:focus-visible {
  border-radius: 4px;
  outline: 2px solid #c8a96e;
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   4. レイアウト
   -------------------------------------------------------------------------- */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.container {
  margin-inline: auto;
  max-width: 1200px;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
  width: 100%;
}

.site-main {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* PC / SP 表示切り替え */

.sp {
  display: none;
}

/* --------------------------------------------------------------------------
   5. ヘッダー — PC
   初期状態: 背景なし（ページ最上部）
   .is-sticky 付与後: 背景表示（スクロール後の固定状態）
   -------------------------------------------------------------------------- */
.site-header {
  background-color: transparent;
  height: 4.5rem;
  position: sticky;
  top: 0;
  transition: background-color 300ms cubic-bezier(0.16, 1, 0.3, 1), border-color 300ms cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 100;
  /* スクロール後: 背景・ブラーを表示 */
}
.site-header.is-sticky {
  backdrop-filter: blur(12px);
  background-color: color-mix(in srgb, #ffffff 90%, transparent);
  border-bottom-color: rgba(0, 0, 0, 0.1);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 4rem;
  height: 4.5rem;
  justify-content: center;
}

.logo-img {
  display: block;
  height: 28px;
  width: auto;
}

.global-nav--desktop ul {
  align-items: center;
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  color: #080e2a;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  transition: color 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover {
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   6. スマホ専用: 固定ロゴ（オーバーレイの上に常時表示）
   -------------------------------------------------------------------------- */
.logo--fixed {
  align-items: center;
  display: none;
  height: 4.5rem;
  left: clamp(1.25rem, 5vw, 2.5rem);
  position: fixed;
  top: 0;
  z-index: 200;
}
.logo--fixed a {
  align-items: center;
  display: flex;
}

/* --------------------------------------------------------------------------
   7. ハンバーガーボタン（デスクトップでは非表示）
   -------------------------------------------------------------------------- */
.menu-toggle {
  align-items: center;
  display: none;
  flex-direction: column;
  gap: 8px;
  height: 2.5rem;
  justify-content: center;
  padding: 0.25rem;
  position: fixed;
  right: clamp(1.25rem, 5vw, 2.5rem);
  top: calc((4.5rem - 2.5rem) / 2);
  width: 2.5rem;
  z-index: 200;
}

.menu-toggle__bar {
  background-color: #3754ed;
  border-radius: 2px;
  display: block;
  height: 2px;
  -webkit-transform-origin: center;
          transform-origin: center;
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1), background-color 300ms cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 300ms cubic-bezier(0.16, 1, 0.3, 1), background-color 300ms cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 300ms cubic-bezier(0.16, 1, 0.3, 1), background-color 300ms cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  width: 22px;
}
.menu-toggle__bar:nth-child(2) {
  background-color: #131b62;
}

/* メニューが開いているとき: ✕ に変形 */
.menu-toggle.is-active .menu-toggle__bar {
  background-color: #131b62;
}
.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  -webkit-transform: translateY(10px) rotate(45deg);
          transform: translateY(10px) rotate(45deg);
}
.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  -webkit-transform: translateY(0) rotate(-45deg);
          transform: translateY(0) rotate(-45deg);
}
.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  -webkit-transform: translateY(-7px) rotate(-45deg);
          transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   ヘッダー — SP
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   8. スマホ専用: フルスクリーンオーバーレイナビ
   -------------------------------------------------------------------------- */
.overlay-nav {
  align-items: center;
  background-color: #ffffff;
  color: #f0ede8;
  display: none; /* デスクトップでは完全に非表示 */
  flex-direction: column;
  height: 100%;
  inset: 0;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  transition: opacity 520ms cubic-bezier(0.16, 1, 0.3, 1), visibility 520ms cubic-bezier(0.16, 1, 0.3, 1);
  visibility: hidden;
  width: 100%;
  z-index: 150;
}
.overlay-nav.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.overlay-nav__list {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.overlay-nav__link {
  color: #080e2a;
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  opacity: 0.85;
  transition: opacity 180ms cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 180ms cubic-bezier(0.16, 1, 0.3, 1), transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 180ms cubic-bezier(0.16, 1, 0.3, 1), transform 180ms cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.overlay-nav__link:hover, .overlay-nav__link:focus-visible {
  opacity: 1;
  -webkit-transform: translateX(4px);
          transform: translateX(4px);
}

/* スタガーフェードイン */
.overlay-nav.is-open .overlay-nav__list li {
  -webkit-animation: nav-fadein 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
          animation: nav-fadein 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(1) {
  -webkit-animation-delay: 60ms;
          animation-delay: 60ms;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(2) {
  -webkit-animation-delay: 100ms;
          animation-delay: 100ms;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(3) {
  -webkit-animation-delay: 140ms;
          animation-delay: 140ms;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(4) {
  -webkit-animation-delay: 180ms;
          animation-delay: 180ms;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(5) {
  -webkit-animation-delay: 220ms;
          animation-delay: 220ms;
}
.overlay-nav.is-open .overlay-nav__list li:nth-child(6) {
  -webkit-animation-delay: 260ms;
          animation-delay: 260ms;
}

@-webkit-keyframes nav-fadein {
  from {
    opacity: 0;
    -webkit-transform: translateY(14px);
            transform: translateY(14px);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}

@keyframes nav-fadein {
  from {
    opacity: 0;
    -webkit-transform: translateY(14px);
            transform: translateY(14px);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}
/* --------------------------------------------------------------------------
   9. モバイル切り替え（〜767px）
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   10. フッター
   -------------------------------------------------------------------------- */
.site-footer {
  padding: 120px 0;
}
.site-footer .container {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
}

.footer__copy {
  color: #888883;
  font-size: 0.875rem;
}

.footer__nav ul {
  display: flex;
  gap: 1.5rem;
}
.footer__nav a {
  color: #888883;
  font-size: 0.875rem;
  transition: color 180ms cubic-bezier(0.16, 1, 0.3, 1);
}
.footer__nav a:hover {
  color: #333333;
}

/* --------------------------------------------------------------------------
   11. スクロールアニメーション
   -------------------------------------------------------------------------- */
.fade-up {
  opacity: 0;
  -webkit-transform: translateY(24px);
          transform: translateY(24px);
  transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1), -webkit-transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1), transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
  transition: opacity 1.4s cubic-bezier(0.22, 1, 0.36, 1), transform 1.4s cubic-bezier(0.22, 1, 0.36, 1), -webkit-transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-left {
  opacity: 0;
  -webkit-transform: translateX(60px);
          transform: translateX(60px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scale-in {
  opacity: 0;
  -webkit-transform: scale(0.9);
          transform: scale(0.9);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.motion-down {
  opacity: 0;
  -webkit-transform: translateY(-100px);
          transform: translateY(-100px);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.motion-left {
  opacity: 0;
  -webkit-transform: translateX(-100px);
          transform: translateX(-100px);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.motion-right {
  opacity: 0;
  -webkit-transform: translateX(100px);
          transform: translateX(100px);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), transform 1.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Visible state: 全アニメーション共通 */
.fade-up.is-visible,
.fade-left.is-visible,
.scale-in.is-visible,
.motion-down.is-visible,
.motion-left.is-visible,
.motion-right.is-visible {
  opacity: 1;
  -webkit-transform: none;
          transform: none;
}

/* Delay utilities */
.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

.delay-5 {
  transition-delay: 0.5s;
}

/* バックグラウンドイメージのアニメーション（共通ベース） */
.feature.analyze::before, .feature.replay .replay__in::before, .feature.rec::before {
  opacity: 0;
  -webkit-transform: translateY(60px);
          transform: translateY(60px);
  transition: opacity 0.8s ease-in-out, -webkit-transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.8s ease-in-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.8s ease-in-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.6s;
}

.feature.analyze.is-visible::before, .feature.replay .replay__in.is-visible::before, .feature.rec.is-visible::before {
  opacity: 1;
  -webkit-transform: none;
          transform: none;
}

@media screen and (max-width: 600px) {
  .pc {
    display: none;
  }
  .sp {
    display: inline-block;
  }
  .logo-img {
    height: 17px;
  }
  .header-bar {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.9);
    height: 4.5rem;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    -webkit-backdrop-filter: blur(12px);
    z-index: 120;
  }
  /* PC用ヘッダーを非表示 */
  .site-header {
    display: none;
  }
  /* 固定ロゴを表示 */
  .logo--fixed {
    display: flex;
  }
  /* ハンバーガーボタンを表示 */
  .menu-toggle {
    display: flex;
  }
  /* オーバーレイを flex で使えるよう display を切り替え */
  .overlay-nav {
    display: flex;
  }
  .site-footer {
    padding: 80px 0;
  }
  .site-footer .container {
    align-items: flex-start;
    flex-direction: column;
  }
}