@charset "UTF-8";

html {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 100%;
  font-weight: 100;
}

body {
  color: #fff;
  background-color: #222222;
}

/* ===== スクロール連動フェードイン ===== */
.js-fadein {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
  will-change: opacity, transform;
}

.js-fadein.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 写真用：少し回転＋スケールで動きを強調 */
.js-fadein--photo {
  transform: translateY(40px) scale(0.92);
}
.js-fadein--photo.is-visible {
  transform: translateY(0) scale(1);
}

/* prefers-reduced-motion 対応：アニメ無効化 */
@media (prefers-reduced-motion: reduce) {
  .js-fadein,
  .js-fadein--photo {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== ヘッダー ===== */
.header {
  position: relative;
  background-color: #222222;
  padding-bottom: 3px; /* アクセントライン分の余白 */
}
.header-wrap {
  position: relative;
  display: flex;
  padding: 16px 3%;
  justify-content: space-between;
  align-items: center;
  max-width: 1600px;
  margin: 0 auto;
}

.header-wrap__left {
  display: flex;
  gap: 24px;
  align-items: center;
}

/* ロゴ枠：ホバーで少し浮く */
.header-wrap__left__radio {
  display: block;
  width: 220px;
  padding: 10px 14px;
  background-color: #fff;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}
.header-wrap__left__radio:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 179, 201, 0.25);
}
.header-wrap__left__radio img {
  width: 100%;
  display: block;
}

/* プロジェクトタイトル（header_footer.png）*/
.header-wrap__left__project {
  position: relative;
}
.header-wrap__left__project a {
  display: block;
  line-height: 0; /* インライン余白除去 */
  transition: opacity 0.25s ease;
}
.header-wrap__left__project a:hover {
  opacity: 0.8;
}
.header-wrap__left__project img {
  display: block;
  width: 220px;
  height: auto;
}
.header-wrap__left__project p {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}
.header-wrap__left__project p small {
  font-family: "Lato", sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #ffb3c9;
  line-height: 1;
}
.header-wrap__left__project p {
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

/* nav から右側を一塊で右寄せにする */
.header-wrap__nav {
  margin-left: auto;
}

/* ナビ右横の Radio momo ロゴ（小さめ） */
.header-wrap__radio {
  display: block;
  width: 120px;
  margin-left: 20px;
  padding: 10px 15px;
  background-color: #fff;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}
.header-wrap__radio:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 179, 201, 0.25);
}
.header-wrap__radio img {
  width: 100%;
  height: auto;
  display: block;
}

/* ナビ */
.header-wrap__nav {
  margin-top: 0;
}
.header-wrap__nav__list {
  display: flex;
  gap: 36px;
  align-items: center;
}
.header-wrap__nav__list a {
  position: relative;
  font-family: "Lato", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: #fff;
  text-decoration: none;
  padding: 6px 0;
}
.header-wrap__nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: #ffb3c9;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.35s ease;
}
.header-wrap__nav__list a:hover {
  color: #ffb3c9;
}
.header-wrap__nav__list a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* ===== ハンバーガーボタン ===== */
.ham {
  display: none; /* PC ではボタンを隠す */
  position: relative;
  z-index: 110; /* オーバーレイより上 */
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.ham__bar {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background-color: #fff;
  transition:
    transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1),
    opacity 0.2s ease,
    background-color 0.2s ease;
}

.ham__bar:nth-child(1) {
  top: 14px;
}
.ham__bar:nth-child(2) {
  top: 21px;
}
.ham__bar:nth-child(3) {
  top: 28px;
}

/* 開閉時：上下が X 形に */
.ham.is-open .ham__bar {
  background-color: #ffb3c9;
}
.ham.is-open .ham__bar:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}
.ham.is-open .ham__bar:nth-child(2) {
  opacity: 0;
}
.ham.is-open .ham__bar:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* ===== ハンバーガーオーバーレイメニュー ===== */
.ham-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(20, 20, 20, 0.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.ham-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.ham-menu__nav ul {
  display: flex;
  flex-direction: column;
  gap: 36px;
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.ham-menu__nav a {
  display: inline-block;
  font-family: "Lato", sans-serif;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: #fff;
  text-decoration: none;
  padding: 8px 4px;
  position: relative;
  transform: translateY(20px);
  opacity: 0;
  transition:
    color 0.25s ease,
    transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1),
    opacity 0.5s ease;
}

.ham-menu.is-open .ham-menu__nav a {
  transform: translateY(0);
  opacity: 1;
}
.ham-menu.is-open .ham-menu__nav li:nth-child(1) a {
  transition-delay: 0.1s;
}
.ham-menu.is-open .ham-menu__nav li:nth-child(2) a {
  transition-delay: 0.18s;
}
.ham-menu.is-open .ham-menu__nav li:nth-child(3) a {
  transition-delay: 0.26s;
}

.ham-menu__nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: #ffb3c9;
  transform: translateX(-50%);
  transition: width 0.3s ease;
}
.ham-menu__nav a:hover {
  color: #ffb3c9;
}
.ham-menu__nav a:hover::after {
  width: 70%;
}

/* メニュー開閉時の body スクロール固定 */
body.is-ham-open {
  overflow: hidden;
}

/* ===== フッター（全ページ共通） ===== */
.footer {
  background-color: #ffb3c9;
  color: #000;
  padding: 80px 5% 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

.footer__logo {
  display: inline-block;
  background-color: #fff;
  padding: 18px 28px;
}
.footer__logo img {
  width: 170px;
  height: auto;
  display: block;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* フッターのプロジェクトロゴ画像（header_footer.png） */
.footer__brand-link {
  display: inline-block;
  line-height: 0;
  transition: opacity 0.25s ease;
}
.footer__brand-link:hover {
  opacity: 0.85;
}
.footer__brand {
  display: block;
  width: 280px;
  height: auto;
  /* 画像を黒シルエット化 */
  -webkit-filter: brightness(0);
  filter: brightness(0);
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.footer__copy {
  font-size: 12px;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

@media (max-width: 1280px) {
  .header-wrap {
    padding: 12px 4%;
    gap: 12px;
  }
  .header-wrap__left__project img {
    width: 150px;
  }

  /* モバイル：通常ナビ非表示、ハンバーガー表示 */
  .header-wrap__nav {
    display: none;
  }
  .header-wrap__radio {
    display: none;
  }
  .ham {
    display: block;
  }

  /* フッター */
  .footer {
    padding: 70px 5% 40px;
  }
  .footer__logo img {
    width: 140px;
  }
  .footer__brand {
    width: 200px;
  }
}