@charset "UTF-8";
/*
 * common.css — 全ページ共通の土台とパーツ
 * リセット / コンテナ三段幅 / fixedヘッダー / ドロワー / フッター /
 * ボタン / ユーティリティ / スクロール演出ベース / 固定CTAバー
 * 色やサイズの実値は tokens.css の変数を参照する。
 */

/* ============================================================
   リセット & ベース
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

/* オーバースクロール（スマホ/Macで画面を引っ張った際）の余白色。
   html にのみ指定し body は白のままにすることで、引っ張り領域だけ #169dda にし、
   コンテンツのデザイン（色）には影響を与えない。 */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: var(--fw-normal);
  line-height: var(--lh-base);
  color: var(--c-text);
  overflow-x: hidden;
  background-color: var(--c-bg-darker);
}

img, svg, video { max-width: 100%; height: auto; vertical-align: middle; }
img { border: 0; }

h1, h2, h3, h4 { font-weight: var(--fw-medium); line-height: var(--lh-tight); margin: 0; }
p { margin: 0; }
strong, b { font-weight: var(--fw-bold); }
em { font-style: italic; }

a { color: var(--c-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: 4px; }

/* フォント切替時の CLS 抑制 */
@font-face {
  font-family: 'Inter-fallback';
  src: local('Arial');
  size-adjust: 100%;
  ascent-override: 90%;
  descent-override: 22%;
  line-gap-override: 0%;
}

/* ============================================================
   コンテナ（三段幅）
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--page-max); }

.section { padding-block: clamp(2.5rem, 6vw, 5rem); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ============================================================
   ボタン
   ============================================================ */
.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 44px;
  padding: .65em 1.6em;
  border-radius: var(--radius-pill);
  font-weight: var(--fw-cta);
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transform: translateY(0);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}
/* 背景・枠線だけを拡大する層。文字（本体）は等倍のままなのでぼやけない */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: inherit;
  border: inherit;
  transform: scale(1);
  transition: transform var(--dur) var(--ease);
}
.btn:hover { text-decoration: none; }
.btn.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-button-hover);
}
.btn.btn:hover::before {
  transform: scale(1.03);
}
.btn.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow);
}
.btn.btn:active::before {
  transform: scale(.99);
}
.btn-primary { background: var(--c-blue); color: #fff; box-shadow: var(--shadow-blue); }
.btn-primary:hover { background: var(--c-blue-strong); }
.btn-ghost { background: transparent; color: var(--c-text); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-blue); color: var(--c-blue); }
.btn-light { background: #fff; color: var(--c-blue); }
.btn-outline-light { background: transparent; color: #fff; border-color: #ffffff80; }
.btn-outline-light.btn:hover,
.btn-outline-light.btn:active {
  background: #fff;
  border-color: currentColor;
  color: var(--btn-outline-invert-color, var(--c-bg-dark));
  box-shadow: none;
  transform: none;
}
.btn-outline-light.btn:hover::before,
.btn-outline-light.btn:active::before {
  transform: none;
}
.btn-block { width: 100%; }

/* ============================================================
   ヘッダー（fixed）
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  width: 100%;
  height: var(--header-h);
  background: var(--c-bg-dark);
  color: var(--c-text-invert);
  display: flex;
  align-items: stretch;
  box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.3);
}
.site-header__inner {
  width: 100%;
  max-width: var(--header-max);
  margin-inline: auto;
  padding-right: var(--container-pad);
  display: flex;
  align-items: center;
  gap: 0;
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--header-h);
  height: var(--header-h);
  background: var(--c-cyan);
  flex: 0 0 auto;
  transition: background-color var(--dur) var(--ease);
}
.site-header__logo img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
}
.site-header:not(.site-header--home) .site-header__logo {
  background: var(--c-bg-dark);
  position: relative;
}
.site-header:not(.site-header--home) .site-header__logo:hover {
  background: var(--c-bg-dark);
  text-decoration: none;
}
/* 背景は黒のまま、白い「5」の上に #169dda の「5」を重ねて opacity でフェードさせる */
.site-header:not(.site-header--home) .site-header__logo::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--c-cyan);
  -webkit-mask: url(/data/img/cmn/5.png) center / contain no-repeat;
  mask: url(/data/img/cmn/5.png) center / contain no-repeat;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.site-header:not(.site-header--home) .site-header__logo:hover::after {
  opacity: 1;
}
.site-nav {
  margin-left: var(--header-nav-offset);
  flex: 0 0 auto;
}
.site-nav ul {
  display: flex;
  flex-wrap: nowrap;
  gap: 2.4rem;
  align-items: center;
}
.site-nav li { flex: 0 0 auto; }
.site-header--home .site-nav {
  margin-left: var(--header-nav-offset);
}
.site-header--home .site-nav ul {
  gap: 0;
}
.site-nav a {
  color: var(--c-text-invert);
  font-size: .875rem;
  font-weight: var(--fw-medium);
  padding: .5rem 0;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.site-nav a:hover { color: var(--c-blue-light); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--c-cyan); }
.site-header--home .site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--header-h);
  padding: 0 1.4rem;
}
.site-header--home .site-nav a:hover,
.site-header--home .site-nav a[aria-current="page"] {
  background: #169dda;
  color: #fff;
  text-decoration: none;
}
.site-header:not(.site-header--home) .site-nav {
  margin-left: var(--header-nav-offset);
}
.site-header:not(.site-header--home) .site-nav ul {
  gap: 0;
}
.site-header:not(.site-header--home) .site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--header-h);
  padding: 0 1.4rem;
}
.site-header:not(.site-header--home) .site-nav a:hover,
.site-header:not(.site-header--home) .site-nav a[aria-current="page"] {
  background: #169dda;
  color: #fff;
  text-decoration: none;
}

.header-cta {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  gap: 1.1rem;
  align-items: center;
  margin-left: auto;
}
.header-cta li { flex: 0 0 auto; }
.header-cta .btn {
  min-height: 40px;
  padding: .45em 2em;
  font-size: .85rem;
  white-space: nowrap;
}
.header-cta .btn-trial {
  background: var(--grad-trial);
  border-color: var(--c-blue);
  border-radius: var(--radius-pill-lg);
  box-shadow: none;
}
/* 背景はグラデーション（background-image）のため transition で補間できない。
   ホバー色を別レイヤーで重ね、opacity をフェードさせてアニメーションさせる */
.header-cta .btn-trial::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-blue-strong) 100%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.header-cta .btn-trial:hover::after { opacity: 1; }
.header-cta .btn-trial.btn:hover::after { transform: scale(1.03); }
.header-signin {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 40px;
  color: var(--c-text-invert);
  font-size: .875rem;
  font-weight: var(--fw-medium);
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
}
.header-signin:hover { color: var(--c-text-invert); text-decoration: none; }
.header-signin img { width: 25px; height: 25px; flex-shrink: 0; }

/* ハンバーガーボタン */
.nav-toggle {
  display: none;
  width: var(--header-h);
  height: var(--header-h);
  margin-left: auto;
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  flex: 0 0 auto;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 26px; height: 2px;
  margin: 0 auto;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { position: absolute; top: -8px; }
.nav-toggle span::after { position: absolute; top: 8px; }
.nav-toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(90deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; opacity: 0; }

/* 本文をヘッダー高さ分だけ押し下げる */
.has-fixed-header { padding-top: var(--header-h); }
:target { scroll-margin-top: calc(var(--header-h) + 1rem); }

/* ============================================================
   スマホ用ドロワーメニュー
   ============================================================ */
.drawer {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--c-bg-darker);
  color: var(--c-text-invert);
  padding-top: var(--header-h);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), visibility 0s linear var(--dur);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.drawer.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
.drawer__nav {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem 3rem;
  text-align: center;
}
.drawer__nav ul {
  max-width: 360px;
  margin-inline: auto;
}
.drawer__nav li { border-bottom: 0; }
.drawer__nav ul a {
  display: block;
  padding: .48rem 1rem;
  color: #d6dae0;
  font-size: 1.25rem;
  font-weight: var(--fw-medium);
  letter-spacing: .02em;
}
.drawer__nav ul a:hover { color: var(--c-cyan); text-decoration: none; }
.drawer__support {
  margin-top: 2.6rem;
  text-align: center;
}
.drawer__support .tel {
  margin-top: .35rem;
  font-size: 2.25rem;
  font-weight: var(--fw-bold);
  color: #fff;
  letter-spacing: .03em;
  line-height: 1.2;
}
.drawer__support .tel a {
  color: #fff;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
}
.drawer__support p:not(.tel) {
  color: var(--c-text-invert-muted);
  font-size: .95rem;
}
.drawer__support .drawer__hours {
  margin-top: .65rem;
  color: #fff;
  font-size: .9rem;
}
.drawer__cta {
  display: grid;
  gap: .75rem;
  width: min(100%, 222px);
  margin: 2.1rem auto 0;
}
.drawer__cta .btn {
  min-height: 43px;
  padding: .55em 1em;
  border-radius: 9px;
  color: #fff;
  font-size: .95rem;
}
.drawer__cta .btn-outline-light {
  --btn-outline-invert-color: var(--c-bg-dark);
  border-color: #ffffff7a;
}
.drawer__cta .btn-outline-light:hover {
  background: #fff;
  border-color: currentColor;
  color: var(--btn-outline-invert-color);
}

body.no-scroll { overflow: hidden; }

/* ============================================================
   フッター
   ============================================================ */
footer {
  padding-bottom: env(safe-area-inset-bottom);
  background-color: #1E1E1E;
}
.site-footer {
  background: var(--c-bg-darker);
  color: var(--c-text-invert-muted);
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.site-footer a { color: var(--c-text-invert-muted); }
.site-footer a:hover { color: #fff; text-decoration: none; }
.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
  align-items: start;
}
.footer-brand a { display: inline-block; }
.footer-brand img {
  width: 150px;
  max-width: none;
  height: auto;
}
.footer-cols {
  display: grid;
  gap: 2.5rem 3rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.footer-col {
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-col li + li { margin-top: .65rem; }
.footer-col a {
  font-size: .875rem;
  line-height: 1.5;
  text-decoration: none;
}
.footer-support {
  text-align: center;
}
.footer-support__label {
  margin: 0 0 .5rem;
  font-size: .75rem;
  color: var(--c-text-invert-muted);
}
.footer-support__tel {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: var(--fw-bold);
  letter-spacing: .02em;
  line-height: 1.2;
}
.footer-support__tel a { color: #fff; text-decoration: none; }
.footer-support__hours {
  margin: 0 0 1.25rem;
  font-size: .75rem;
  color: var(--c-text-invert-muted);
}
.footer-support .footer-cta {
  display: grid;
  gap: .65rem;
  max-width: 280px;
  margin-inline: auto;
  justify-items: center;
}
.footer-support .btn-outline-light {
  --btn-outline-invert-color: var(--c-bg-darker);
  border-color: #ffffff8c;
  font-weight: var(--fw-cta);
  font-size: .75rem;
  width: 160px;
  color: #fff;
}
.footer-support .btn-outline-light:hover {
  background: #fff;
  border-color: currentColor;
  color: var(--btn-outline-invert-color);
}
.footer-bottom {
  margin-top: clamp(2rem, 4vw, 5rem);
  font-size: .75rem;
  text-align: center;
  color: #ffffff73;
}
.footer-bottom a {
  color: inherit;
  text-decoration: none;
}
.footer-bottom a:hover {
  color: #fff;
  text-decoration: none;
}

@media (min-width: 901px) {
  .footer-grid {
    display: grid;
    align-items: start;
    /* ロゴ | 可変余白(min 2rem) | メニュー | 電話番号 */
    grid-template-columns: auto minmax(2rem, 1fr) auto auto;
    column-gap: 0;
  }
  .footer-brand {
    grid-column: 1;
  }
  .footer-cols {
    grid-column: 3;
    grid-template-columns: auto auto;
    gap: 4rem;
  }
  .footer-col a {
    white-space: nowrap;
  }
  .footer-support {
    grid-column: 4;
    margin-left: 3rem;
    margin-right: 30px;
  }
  .footer-support__label,
  .footer-support__hours {
    white-space: nowrap;
  }
  /* PC でのフォントサイズ切替（旧 clamp 最大値） */
  .footer-support__tel {
    font-size: 1.375rem;
  }
}

/* ハンバーガーメニュー表示時（900px以下）はロゴ＋コピーライトのみ */
@media (max-width: 900px) {
  .footer-cols,
  .footer-support {
    display: none;
  }
  .footer-grid {
    justify-items: center;
    gap: 1.5rem;
  }
  .footer-bottom {
    margin-top: 1.5rem;
  }
}

/* ============================================================
   固定CTAバー（料金プラン等）
   ============================================================ */
.sticky-cta {
  position: sticky;
  bottom: 0;
  z-index: var(--z-sticky-bar);
  background: #ffffffeb;
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--c-line);
  box-shadow: 0 -8px 24px -12px #11182740;
}
.sticky-cta__inner {
  display: flex; align-items: center; gap: 1rem;
  padding-block: .75rem;
  flex-wrap: wrap;
}
.sticky-cta__info { display: flex; align-items: baseline; gap: .5rem; }
.sticky-cta__plan { font-weight: var(--fw-bold); }
.sticky-cta__price { font-size: 1.25rem; font-weight: var(--fw-bold); color: var(--c-blue); }
.sticky-cta__actions { margin-left: auto; display: flex; gap: .6rem; }

/* ============================================================
   カルーセル
   ============================================================ */
.carousel { position: relative; }
.carousel__viewport { overflow: hidden; }
.carousel__track {
  display: flex;
  transition: transform var(--dur) var(--ease);
}
.carousel__slide { flex: 0 0 100%; min-width: 0; }
.carousel__dots {
  display: flex; justify-content: center; gap: .55rem;
  margin-top: 1.5rem;
}
.carousel-dot {
  width: 11px; height: 11px; padding: 0;
  border: 0; border-radius: 50%;
  background: #cfd6e0; cursor: pointer;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.carousel-dot[aria-current="true"] { background: var(--c-blue); transform: scale(1.15); }
.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--c-line); background: #ffffffe6;
  font-size: 1.2rem; cursor: pointer; z-index: 2;
}
.carousel__btn--prev { left: .5rem; }
.carousel__btn--next { right: .5rem; }
@media (max-width: 600px) { .carousel__btn { display: none; } }

/* ============================================================
   スクロール演出ベース（TOP限定で .reveal を付与）
   初期表示は可視。JS 有効時のみ非表示→フェードイン（白画面防止）
   ============================================================ */
.reveal {
  opacity: 1;
  transform: none;
}
html.js-reveal-ready .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
html.js-reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 子要素を1つずつ時間差で出現させるグループ（親自体は動かさない） */
html.js-reveal-ready .reveal--children:not(.is-visible),
html.js-reveal-ready .reveal--children.is-visible {
  opacity: 1;
  transform: none;
  transition: none;
}
html.js-reveal-ready .reveal--children:not(.is-visible) .reveal-item {
  opacity: 0;
  transform: translateY(24px);
  will-change: opacity, transform;
}
html.js-reveal-ready .reveal--children.is-visible .reveal-item {
  opacity: 1;
  transform: none;
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  transition-delay: calc(var(--reveal-i, 0) * .07s);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn,
  .btn.btn:hover,
  .btn.btn:active {
    transform: none;
    transition: none;
  }
  .header-cta .btn-trial::after,
  .header-cta .btn-trial.btn:hover::after {
    transform: none;
    transition: none;
  }
  html.js-reveal-ready .reveal:not(.is-visible),
  html.js-reveal-ready .reveal.is-visible,
  html.js-reveal-ready .reveal--children:not(.is-visible) .reveal-item,
  html.js-reveal-ready .reveal--children.is-visible .reveal-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ============================================================
   レスポンシブ: ヘッダー切替
   ============================================================ */
@media (min-width: 901px) and (max-width: 1000px) {
  .site-header__inner {
    padding-right: clamp(.3rem, 1vw, .5rem);
  }
  .site-header--home .site-nav,
  .site-header:not(.site-header--home) .site-nav {
    margin-left: clamp(.75rem, 2vw, 1.25rem);
  }
  .site-header--home .site-nav a,
  .site-header:not(.site-header--home) .site-nav a {
    padding-inline: clamp(.5rem, 1.5vw, .9rem);
  }
}

@media (max-width: 900px) {
  .site-nav, .header-cta { display: none; }
  .site-header__inner { padding-right: 0; }
  .nav-toggle { display: block; }
}