/* ナビゲーションバーの余白調整 */
body {
    padding-top: 56px;
    background-color: #f7f5ee; /* ベージュ系 */
    position: relative;
}
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("../images/ten_simple.png") center center / 400px auto
        no-repeat;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

/* ヒーローエリア：背景固定パララックス風 */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    text-align: center;
    color: #222;
    position: relative;
    z-index: 1;
}
.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 2;
}
.hero > .container {
    position: relative;
    z-index: 3;
    padding-top: 25vh;
    padding-bottom: 0;
}

/* モダンでシンプルなテキスト装飾 */
.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    color: #222;
}
.hero p.lead {
    font-size: 1.3rem;
    color: #444;
}

/* スクロール時のスライドアニメーション */
.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 2, 0.3, 1),
        transform 0.7s cubic-bezier(0.4, 2, 0.3, 1);
}
.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ポートフォリオカードのホバー演出 */
.portfolio-img-wrapper {
    position: relative;
    overflow: hidden;
}
.portfolio-img-wrapper img {
    transition: transform 0.4s cubic-bezier(0.4, 2, 0.3, 1);
    display: block;
    width: 100%;
    height: auto;
}
.portfolio-hover {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
    pointer-events: none;
}
.portfolio-img-wrapper:hover img {
    transform: scale(1.08);
}
.portfolio-img-wrapper:hover .portfolio-hover {
    opacity: 1;
    pointer-events: auto;
}
.portfolio-hover-text {
    text-align: center;
}

/* プロフィール画像 */
img.rounded-circle {
    border: 4px solid #e3e6ea;
}

#works {
  padding-top: 200px; /* ナビバーの高さ＋α */
}

#project {
  padding-top: 100px; /* ナビバー分＋α */
}

#project h2 {
  margin-top: 2.5rem; /* 見出し下の余白を広げる */
  margin-bottom: 3.5rem; /* 見出し下の余白を広げる */
}

.portfolio-card {
  max-width: 380px;
  margin: 0 auto;
  transition: box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.portfolio-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  transform: translateY(-8px) scale(1.03);
  z-index: 2;
}
.portfolio-img-wrapper img {
  height: 180px;
  object-fit: cover;
  width: 100%;
  border-radius: 8px 8px 0 0;
}
.card-body {
  padding: 1rem 1.2rem 1.2rem 1.2rem;
  background: hwb(42 85% 11%);
  border-radius: 0 0 8px 8px;
}
.card-title {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}
.card-text {
  font-size: 0.97rem;
  color: #444;
}