/*
 * TSUGI+ Special Page Stylesheet
 * Filename: tsugitasu.css
 * Version: 4.0 FINAL
 */

/* --- Reset & Base --- */
.l-header-gnav a {
 font-size: 15px !important;
}
.l-header-gnav li {
 padding: 3px 5px!important;/* デフォルトより小さく */
}
/* お問い合わせボタン（右上）のサイズ・文字調整 */
.l-header__btn a {
 font-size: 13px;         /* ← デフォルトより小さめ。
 padding: 5px 30px;       /* ← ボタンの縦横サイズを調整 */
 border-radius: 4px;      /* ← 少し丸みを弱める（現状が強ければ） */
 line-height: 1.2;        /* ← テキストの高さを揃える */
}

:root {
    --color-primary: #005BAC; /* NTTデータブルーを意識した信頼感のある青 */
    --color-secondary: #D4AF37; /* 品のあるゴールド系 */
    --color-text: #333333;
    --color-background: #FFFFFF;
    --color-light-gray: #F5F7FA;
    --color-border: #E0E0E0;
    --font-family-base: 'Noto Sans JP', sans-serif;
    --content-width: 1100px;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.8;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.4;
}

.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 20px;
}

.content-section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--color-light-gray);
}

.sp-only { display: none; }
@media (max-width: 768px) {
    .sp-only { display: block; }
    .pc-only { display: none; }
}

/* --- Header & Footer Placeholders --- */
.header-placeholder, .footer-placeholder {
    background: #f0f0f0;
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 1.9rem;
}

/* --- Hero Section (h1) --- */
.hero {
    position: relative;
    height: 400px;
    display: flex;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-background);
    background-image: url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-title-main {
   text-shadow: 0 8px 20px rgba(0,0,0,0.4); /* ←影を濃くして可読性アップ */
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 91, 172, 0.5) 0%, rgba(0, 50, 100, 0.5) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.25) 5%, transparent 30%),
        radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.3) 10%, transparent 40%);
    transform: translate(-50%, -50%) rotate(0deg);
    animation: rotate-background 60s linear infinite;
    z-index: 0;
}

@keyframes rotate-background {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 20px;
}

.hero-title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 1px rgba(0,0,0,0.2);
}

.hero-title-main {
    display: block;
    font-size: 4.5rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    margin: 10px 0;
    text-shadow: 0 2px 2px rgba(0,0,0,0.2);
}

.hero-title-reading {
    display: block;
    font-size: 1.8rem;
    font-weight: 400;
    text-shadow: 0 2px 1px rgba(0,0,0,0.2);
}

.hero-catchphrase {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.4;
    margin-top: 20px;
    text-shadow: 0 px 2px rgba(0,0,0,0.2);
}

/* --- Sticky Navigation --- */
.sticky-nav {
    /* background-color: ThreeDFace; */
    background-color: #dcdcdc; /* または #ffffff / 任意の色 */
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: -1px; /* 1px上げることで下のボーダーが見えるようにする */
    z-index: 100;
    transition: box-shadow 1.5s;
}

.sticky-nav.is-fixed {
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.sticky-nav-list {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
    margin: 0 auto;
    max-width: var(--content-width);
    padding: 0 20px;
}

.sticky-nav-list li a {
    display: block;
    padding: 15px 20px;
    color: #000080;
    font-weight: 520;
    font-size: 1.15rem; /* 文字サイズを1.1rem (16px) に変更 */
    text-decoration: none;
    position: relative;
}

.sticky-nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: width 0.3s;
}

.sticky-nav-list li a:hover::after,
.sticky-nav-list li a.active::after {
    width: 100%;
}

.nav-contact-button {
    background-color: var(--color-secondary);
    color: var(--color-background) !important;
    border-radius: 50px;
    padding: 8px 20px !important;
    margin-left: 20px;
    transition: background-color 0.3s;
}

.nav-contact-button:hover {
    background-color: #ffd700;
    opacity: 1;
}
.nav-contact-button::after {
    display: none !important;
}


/* --- Section Title --- */
.section-title {
    font-size: 2.2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.3;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.1em 1;
}

.section-title.anim-title::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 20px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: -1;
}

.section-title.anim-title.is-animated::before {
    transform: scaleX(1);
}

.section-title-sub {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.section-lead {
    font-size: 1.05rem;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto 60px auto;
}

/* --- Card Grid (経営課題) --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    background-color: #f5f5f5;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 15px rgba(0,0,0,0.3);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px auto;
    color: var(--color-primary);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.card-text {
    font-size: 1.05rem;
    text-align: left;
}

/* --- Before/After Section --- */
.before-after {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
    margin-bottom: 40px;
}

.before-after-item {
    width: 40%;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
}

.before-after-item h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.before-after-item p {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.before-after-item ul {
    list-style: none;
    padding: 0;
}

.before-after-item ul li {
    background-color: rgba(0,0,0,0.05);
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    font-weight: 00;
}

.before {
    background-color: #fff;
    border: 2px solid #ccc;
    color: #666;
}
.before h4 { color: #666; }
.before ul li { background-color: #f0f0f0; }

.after {
    background-color: var(--color-primary);
    color: #fff;
    border: 2px solid var(--color-primary);
}
.after h4 { color: #fff; }
.after ul li { background-color: rgba(255,255,255,0.15); }

.arrow {
    display: flex;
    align-items: center;
    font-size: 3rem;
    color: var(--color-primary);
}
.arrow svg { width: 60px; height: 60px; }



/* サムネイル側の調整（1000px） */
.use-img {
  padding: 16px;
  text-align: center;
}
.use-img .feature-image {
  max-width: 1000px;
  margin: 0 auto;
}
.use-img .feature-image img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in; /* クリックで拡大が分かるように */
}

.serviceuse-img {
  padding: 16px;
  text-align: center;
}
.serviceuse-img  {
  max-width: 1000px;
  margin: 0 auto;
}
.serviceuse-img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in; /* クリックで拡大が分かるように */
}

/* モーダルの基本スタイル */
.modal {
  position: fixed;
  inset: 0; /* top/right/bottom/left: 0 */
  display: none;         /* 初期は非表示 */
  align-items: center;   /* 中央揃え */
  justify-content: center;
  z-index: 1000;
}
.modal.is-open {
  display: flex;
}

/* 背景オーバーレイ */
.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

/* コンテンツラッパー */
.modal__content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  margin: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: modalIn 0.18s ease-out;
}

/* 表示画像 */
.modal__content img {
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  border-radius: 6px;
}

/* 閉じるボタン */
.modal__close {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 999px;
  width: 36px;
  height: 36px;
  font-size: 24px;
  line-height: 34px;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

/* キャプション */
.modal__caption {
  margin-top: 8px;
  color: #fff;
  text-align: center;
}

/* ふわっと表示アニメ */
@keyframes modalIn {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

/* 背景スクロールロック時のスタイル */
body.modal-lock {
  overflow: hidden;
}
/* 既存のモーダル画像スタイルに追加/修正 */
.modal__content img {
  max-width: 90vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  border-radius: 6px;

  /* 追加: 透過画像の背景を白で塗る */
  background: #fff;         /* 画像の透明部分白塗り */
  padding: 100;               /* 余白 */
}

/* effectセクションにのみ適用されるようにスコープを限定 */
.effect-section {
  max-width: 1050px;       /* 横幅を最大1000pxに */
  margin: 0 auto;          /* センターリング */
  padding: 24px 16px;
  box-sizing: border-box;
}

.effect-section__wrap {
  width: 100%;
}

.effect-section__title {
  text-align: center;      /* centerタグの代替 */
  margin: 0 0 12px;
}

.effect-section__lead {
  margin: 0 0 20px;
}

.effect-section__heading {
  margin: 24px 0 12px;
}

.effect-section__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;                /* ラベル間の間隔 */
  margin-bottom: 8px;
  justify-content: center;   /* 中央揃え */
}

/* 薄い青色のボタン風ラベル（非インタラクティブ） */
.effect-section__label {
  display: inline-block;
  background-color: #e6f2ff;  /* 薄い青 */
  color: #0b3d91;             /* 文字色（濃い青） */
  border: 1px solid #c9e0ff;  /* 薄い青の枠線 */
  border-radius: 8px;         /* 角丸 */
  padding: 10px 18px;
  font-size: 18px;
  line-height: 1.8;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04); /* ごく薄い影（任意） */
  cursor: default;            /* 実ボタンではないので通常カーソル */
}

/* スマホ向け調整 */
@media (max-width: 600px) {
  .effect-section {
  justify-content: center;
    padding: 20px 12px;
  }
  .effect-section__label {
    border-radius: 6px;
    font-size: 13px;
  }
}

/* --- Simulation Box --- */
.simulation-box {
    background: #fff;
    border: 2px dashed var(--color-secondary);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 950px;
    margin: 40px auto 0;
    text-align: center;
}

.simulation-title {
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.simulation-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.simulation-item .sim-label {
    font-size: 1.1rem;
    color: #666;
}

.simulation-item .sim-value {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
}

.simulation-item .sim-value.highlight {
    color: #0000CC ;
}

.simulation-item .sim-unit {
    font-size: 1.2rem;
    font-weight: 700;
    margin-left: 5px;
}

.sim-arrow {
    font-size: 2.5rem;
    color: #808080;
    font-weight: 900;
}

.simulation-note {
    margin-top: 20px;
    font-size: 1.1rem;
    color: #666;
}

/* --- Value Grid (提供価値) - Alternate Layout --- */
.value-grid-alt {
    display: grid;
    gap: 80px;
}

.value-item-alt {
    display: flex;
    align-items: center;
    gap: 5%;
}

.value-item-alt.reverse {
    flex-direction: row-reverse;
}

.value-image-alt {
    width: 50%;
    flex-shrink: 0;
}
.value-image-alt img {
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.value-content-alt {
    width: 45%;
}

.value-title-alt {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-primary);
    line-height: 1.5;
}

.value-text-alt {
    font-size: 1rem;
}
.value-text-alt small {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    color: #666;
}

/* --- Feature Grid (拡張性) --- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.feature-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.feature-img-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.feature-text {
    font-size: 0.95rem;
}

/* ========== 導入プロセス ========== */

:root {
  --color-gold: #c8a600;       /* ゴールド */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-border: #e0e0e0;
}

/* コンテナ */

.process-flow-container {
  position: relative;
  padding: 60px 0;

}

/* 横ライン */
.process-flow-container::before {
  content: '';
  position: absolute;
  top: 85px; /* 丸の中心に合わせる */
  left: 10%;
  right: 10%;
  height: 10px;
  background-color: var(--color-border);
  z-index: 0;
}

/* 全体レイアウト */

.process-flow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  flex-wrap: wrap; /* スマホ時に折り返し */

}

/* 各ステップ */

.process-step {
  width: 22%;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
  margin-bottom: 50px;

}

/* 二重円デザイン */
.process-number {
  position: relative;
  background-color: var(--color-white);
  color: var(--color-black);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px auto;
  font-weight: 700;
  font-size: 1.3rem;
  border: 4px solid var(--color-white);
  box-shadow: 0 0 0 4px var(--color-gold);
  transition: all 0.4s ease;
  cursor: pointer;
}

/* ホバー時のアニメーション */
.process-step:hover .process-number {
  background-color: var(--color-gold);
  color: var(--color-white);
  transform: scale(1.15);
  box-shadow: 0 0 0 4px var(--color-gold), 0 0 20px rgba(200, 166, 0, 0.6);

}

/* タイトルとテキスト */

.process-title {

  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.process-text {
  font-size: 0.9rem;
  text-align: left;
  color: #555;
  line-height: 1.6;

}

/* ========= レスポンシブ対応 ========= */

@media screen and (max-width: 1024px) {
  .process-step {
    width: 45%;
    margin-bottom: 60px;
  }
  .process-flow-container::before {
    left: 10%;
    right: 10%;
    top: 85px;
  }
}

@media screen and (max-width: 767px) {
  .process-flow {
    flex-direction: column;
    align-items: center;
  }
  .process-step {
    width: 100%;
    max-width: 340px;
  }
  .process-flow-container::before {
    content: none; /* 線を消す */
  }
}

/* --- FAQ Section --- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

/* 質問行：Qとテキストの縦位置を下ぞろえ（またはベースライン揃え） */
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 20px 0;
    cursor: pointer;
    display: flex;
    /* 下ぞろえにしたい場合 
    align-items: flex-end; */
    /* ベースラインで揃えたいならこちらを推奨 */
    /* align-items: baseline; */
    font-family: inherit;
    font-size: 1.2rem;   /* 質問テキスト */
    font-weight: 700;
}

.faq-question span {
    color: var(--color-primary);
    font-weight: 900;
    font-size: 1.5rem;   /* Qのサイズ */
    margin-right: 15px;
    line-height: 1;      /* 縦位置調整の安定化に有効 */
}

/* プラスアイコンはそのまま */
.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-left: auto;
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

/* 回答のコンテナはアコーディオン用のトランジション */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
}

/* 回答の行構造を2カラム風にする（Aラベル + 本文） */
.faq-answer p {
    display: grid;                 /* flexよりgridの方がコントロールしやすい */
    grid-template-columns: auto 1fr;
    column-gap: 15px;
    align-items: baseline;            
    padding: 0 20px 20px 45px;
    margin: 0;
    font-size: 1.2rem;               /* 回答テキストの日本語のサイズ（調整可能） */
    line-height: 1.8;              /* 読みやすさ向上 */
}

/* Aラベルのスタイル（サイズは1.3remのまま） */
.faq-answer span {
    color: var(--color-secondary);
    font-weight: 900;
    font-size: 1.5rem;             /* Aのサイズ */
    line-height: 1;                /* 縦位置のぶれを抑える */
}

/* 回答本文のテキストに個別指定したい場合はクラスを分ける */
.faq-answer p .answer-text {
    font-size: 1rem;               /* ここで回答日本語のサイズを確実に指定 */
    line-height: 1.8;
}

/* --- Contact Section --- */
.contact-section {
    background-color: var(--color-primary);
    color: var(--color-background);
    text-align: center;
    padding: 35px 0;  /* 上下 */
}

.contact-section .container { /* 修正点: コンテナ全体を中央揃えに */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-section .section-title,
.contact-section .section-title-sub {
    color: var(--color-background);
}
.contact-section .section-title.anim-title::before {
    background-color: var(--color-secondary);
}

.contact-section .section-lead {
    color: rgba(255,255,255,0.9);
}

.contact-info {
    background-color: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 600px;
    width: 100%;
    margin: 0 auto 20px auto;
    font-size: 1.1rem;
    line-height: 2;
}

.contact-button {
    display: inline-block;
    background-color: var(--color-secondary);
    color: var(--color-background);
    padding: 15px 50px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

.contact-button:hover {
    background-color: #b89b2e;
    opacity: 1;
}

.contact-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

/* --- 追従Sticky Contact Button --- */
.contact-sticky-button {
 position: fixed;
 bottom: 120px;
 right: 30px;
 width: 100px; /* ← ボタン全体の大きさ */
 height: 100px;
 background-color: var(--color-secondary);
 color: var(--color-background);
 border-radius: 50%;
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 text-align: center;
 font-weight: 700;
 font-size: 0.7rem;
 line-height: 1.2;
 box-shadow: 0 5px 15px rgba(0,0,0,0.2);
 z-index: 500;
 transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s;
 opacity: 0;
 transform: translateY(50px);
 pointer-events: none;
}
.contact-sticky-button.is-visible {
 opacity: 1;
 transform: translateY(0);
 pointer-events: auto;
}
/* --- SVGアイコン調整 --- */
.contact-sticky-button .icon {
 width: 35px;  /* ← アイコンサイズ調整ここ！ */
 height: 35px;
 margin-bottom: 2px;
 flex-shrink: 0;
}
/* SVGがcurrentColorで塗られるので、ボタンのcolorが反映される */
.contact-sticky-button .icon path {
 fill: currentColor;
}
/* --- Hover効果 --- */
.contact-sticky-button:hover {
 transform: scale(1.05);
 opacity: 1;
}


/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .content-section { padding: 80px 0; }

    .sticky-nav-list li a {
        padding: 14px 11px;
        font-size: 0.7rem; /* レスポンシブでは少し小さく */
    }
    .nav-contact-button {
        padding: 6px 15px !important;
    }

    .value-item-alt, .value-item-alt.reverse {
        flex-direction: column;
        gap: 30px;
    }
    .value-image-alt, .value-content-alt {
        width: 100%;
    }
    .value-title-alt {
        text-align: center;
    }

    .process-flow {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    .process-step {
        width: 80%;
        max-width: 400px;
    }
    .process-flow-container::before {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        width: 4px;
        top: 80px;
        bottom: 80px;
        height: auto;
    }
}

@media (max-width: 768px) {
    .content-section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .section-lead { font-size: 1.05rem; margin-bottom: 40px; }

    .hero { height: 400px; }
    .hero-title-main { font-size: 3rem; }
    .hero-catchphrase { font-size: 1.2rem; }

    .sticky-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .sticky-nav-list {
        justify-content: flex-start;
        padding: 0 10px;
        width: max-content;
    }
    .nav-contact-button { margin-left: 10px; }

    .card-grid, .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .before-after {
        flex-direction: column;
        gap: 20px;
    }
    .before-after-item {
        width: 100%;
    }
    .arrow {
        transform: rotate(90deg);
        margin: 10px auto;
    }

    .simulation-content {
        flex-direction: column;
    }

    .contact-sticky-button {
        width: 80px;
        height: 80px;
        right: 15px;
        bottom: 15px;
    }
    .contact-sticky-button .icon {
        width: 24px;
        height: 24px;
    }
    .contact-sticky-button span {
        font-size: 11px;
    }
}
/* ==============================================
  ヘッダー＆フッターの文字サイズ調整（追加CSS）
  ============================================== */
/* 上部ナビゲーションバー（ソリューション／イベントセミナー／導入事例など） */
.l-header-nav a,
.gnav-area a {
 font-size: 13px !important;
}
/* 右上のお問い合わせボタン */
.l-header .c-button,
.l-header .c-header-contact a {
 font-size: 20px !important;
 padding: 10px 10px; /* 必要に応じてボタンサイズ調整 */
}
/* フッターの大メニュー */
.l-footer-lower-nav a {
 font-size: 15.5px !important;
}
/* フッター下部のサブメニュー（サイトマップ・お問い合わせなど） */
.l-footer-lower-subnav a {
 font-size: 13px !important;
}
/* ==============================================
  フッター：コピーライト部分
  ============================================== */
.l-footer-lower-copyright small {
 font-size: 13px !important;  /* ←ここで文字サイズ変更 */
 color: #FFF;                 /* ←色を変えたい場合（任意） */
 letter-spacing: 0.03em;      /* ←字間を微調整（任意） */
}


/* --- Zoom Image（事前の軽い動き + 拡大表示）--- */
.zoom-image {
 transition: transform 0.3s ease;
 cursor: zoom-in;
}
/* マウスオーバー時の軽い動き */
.zoom-image:hover {
 transform: scale(1.05);
 opacity: 0.95;
}
/* 拡大表示（クリック後にJSで付与） */
.zoom-overlay {
 position: fixed;
 top: 0;
 left: 0;
 width: 100vw;
 height: 100vh;
 background-color: rgba(0,0,0,0.7);
 display: flex;
 align-items: center;
 justify-content: center;
 z-index: 9999;
 cursor: zoom-out;
}
.zoom-overlay img {
 max-width: 70vw;
 max-height: 70vh;
 border-radius: 6px;
 box-shadow: 0 4px 30px rgba(0,0,0,0.4);
 transition: transform 0.3s ease;
}

/* ===========================================
  マウスオーバーはいったんなしかな、クリックに変更
  =========================================== */
.zoom-image {
 transition: transform 0.5s ease;  /* ゆっくり拡大 */
}
.zoom-image:hover {
 transform: scale(1.8);            /* 1.0 → 1.02倍に拡大 */
}
/*.zoom-image:hover {
 transform: scale(1.02);
 box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* --- Zoom Image（CSSのみで拡大）--- */
.value-image-alt {
 overflow: hidden; /* はみ出し防止 */
 display: inline-block;
 border-radius: 8px;
 transition: transform 0.3s ease;
}
.value-image-alt img.zoom-image {
 transition: transform 0.5s ease;
 cursor: zoom-in;
}
.value-image-alt:hover img.zoom-image {
 transform: scale(1.5); /* ← 拡大率。自然に見せるなら1.05?1.15が目安 */
}*/