@charset "utf-8";
html {
  scroll-behavior: smooth;
}

html {
  scroll-behavior: smooth;
}

:root {
  --primary-color: #1c8c87;
  --primary-light: #4fc3bd;
  --primary-bg: #e6f7f6;
  --accent-color: #ff8d22;
  --text-dark: #413229;
  --bg-light: #f7f7f7;
  --glass-white: rgba(255, 255, 255, 0.25);
}
*,
::before,
::after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}
body {
  margin: 0;
  font-family: sans-serif;
  background: #1c8c87;
  color: #f7f7f7;
  overflow-x: hidden;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* HEADER */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding-top: 10px;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: auto;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;
}

/* ナビカード ガラスナビ */

.nav-card {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(14px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  height: 80px;
}

.nav-card:hover {
  box-shadow: 20px 40px 40px rgba(0, 0, 0, 0.3);
}

/* ロゴ */

.logo {
  transform: scale(1.2);
  transform-origin: left center;
}

.logo a {
  display: inline-block;
}

.logo img {
  width: 150px;
  height: auto;
  animation: floatLogo 4s ease-in-out infinite;
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.2));
}

@keyframes floatLogo {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-8px);
  }

  100% {
    transform: translateY(0px);
  }
}
/* メニュー */

.nav-menu {
  display: flex;
  list-style: none;
  z-index: 1;
}

.nav-menu a {
  display: flex;
  flex-direction: column;

  align-items: center;
  justify-content: center;

  padding: 0 20px;
  height: 80px;

  text-decoration: none;
  color: #413229;

  transition: 0.3s;
}

.nav-menu li {
  border-right: 1px solid rgba(255, 255, 255, 0.6);
}

.nav-menu li:last-child {
  border-right: none;
}

.nav-menu img {
  width: 90px;
  height: 60px;
  margin-bottom: 6px;
}

/* 文字 */

.nav-menu span {
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* ホバー */

.nav-menu li:hover {
  background: #ff8d22eb;
  border-radius: 20px;
}

.nav-menu li:hover span {
  color: white;
}

/* ハンバーガー */

.menu-btn {
  width: 80px;
  height: 80px;
  background: #1c8c87;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;

  cursor: pointer;

  border-radius: 18px; /* 角丸 */
  transition: 0.3s; /* アニメーション */
}

.menu-btn:hover {
  background: #222;
  transform: translateY(-3px);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.6);
}

.menu-btn span {
  width: 26px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: 0.3s;
}

/* ハンバーガーアニメーション */

.menu-btn span {
  transition: 0.3s;
}

/* 1本目 */

.menu-btn.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

/* 2本目 */

.menu-btn.active span:nth-child(2) {
  opacity: 0;
}

/* 3本目 */

.menu-btn.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* 全体（レール） */
.scroll-indicator {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);

  width: 2px;
  height: 380px;

  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;

  z-index: 999;
}

.scroll-arrow {
  font-size: 12px;
  color: #00ff55;
  margin-top: 5px;
  position: absolute;

  left: 50%;
  transform: translateX(-50%);
}

/* 動くバー */
.scroll-bar {
  position: absolute;
  width: 100%;
  height: 0%;
  background: #00ff55;
  border-radius: 10px;

  transition: height 0.1s linear;
  box-shadow: 0 0 10px #00ff55;
}

/* 丸 */
.scroll-thumb {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 50%);

  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #00ff55;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 0 10px #00ff55;
}

.scroll-text {
  position: absolute;
  right: 10px;

  writing-mode: vertical-rl;
  text-orientation: mixed;

  font-size: 10px;
  letter-spacing: 3px;
  color: #00ff55;

  margin-bottom: 10px;
  animation: scrollBlink 1.5s infinite;
}
@keyframes scrollBlink {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

.to-top {
  position: fixed;
  bottom: 60px;
  right: 60px;

  width: 80px;
  height: 80px;

  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.to-top .circle-text {
  position: absolute;
  inset: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  color: #ff8d22eb;
  font-size: 10px;
  letter-spacing: 0.15em;
  white-space: nowrap;

  animation: spin 15s linear infinite;
}

/* 矢印 */
.to-top .to-top-arrow {
  position: absolute;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);

  color: #ff8d22eb;
  font-size: 28px;
  line-height: 1;

  z-index: 10;
}

/* 回転 */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}
/* 文字 */
.to-top .circle-text span {
  position: absolute;
  top: 50%;
  left: 50%;
  pointer-events: none;
  transform-origin: 0 50%;
  font-size: 10px;
  color: #ff8d22eb;

  margin: 0;
  padding: 0;
}

/* メイン */

.project-bg-text {
  position: absolute;
  left: 120px;
  top: 30%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.2; /* ←うっすらがポイント */
}

/* 画像を縦にする */
.project-bg-text img {
  max-width: 600px;
  transform: rotate(90deg);
  transform-origin: left top;
}

.service-sticky {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

.service-block {
  margin-right: 80px;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* タイトル */
.sticky-left {
  position: sticky;
  top: 220px;

  display: flex;
  flex-direction: column;
  align-items: center; /* ←横中央 */
  justify-content: center;

  margin: 100px auto 20px; /* ←ブロック自体も中央 */
  padding: 0;
  margin-left: 60px;
  margin-right: 60px;
  max-width: 50%;

  text-align: center;

  font-size: 42px;
  font-weight: bold;
  letter-spacing: 0.1em;
  color: #413229;
  text-shadow: 0 0 20px #f7f7f7;
}

.sticky-left img {
  width: 450px;
  margin-left: 40px;
  margin-top: 30px;
  margin-bottom: 60px;
  border-radius: 50px;
}

.sticky-left p {
  font-size: 46px;
  margin-top: 10px;
  align-items: center;
}

/* 右 */
.sticky-right {
  flex: 1;
  margin-top: 100px;
  letter-spacing: 0.1em;
}

.service-block {
  background: none;
  box-shadow: none;
  backdrop-filter: none;

  border-bottom: 1px solid rgba(0, 0, 0, 0.1);

  padding: 20px 0;
  margin-bottom: 20px;

  transition: 0.3s;
}

/* ホバーでライン強調 */
.service-block:hover {
  border-bottom: 1px solid #00ff55;
}

/* タイトル */
.service-block h3 {
  font-size: 32px;
  margin: 5px 0 10px;
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px #413229;
}

/* 説明 */
.service-block p {
  font-size: 24px;
  margin: 5px 0 10px;
  opacity: 0.8;
}

/* リスト */
.service-block ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.service-nav li a {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 20px;
  text-decoration: none;
  color: #413229;
  transition: 0.3s;
}

.service-nav li a:hover {
  border-color: #00ff55;
  color: #00ff55;
  background: rgba(0, 255, 85, 0.06);
}

/* フェードは軽く */
.fade-up {
  opacity: 0;
  transform: translateY(10px);
  transition: 0.5s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* スライダー */

.service-slider {
  position: relative;
  overflow: hidden;
  margin-top: 60px;
}

.service-slider::before,
.service-slider::after {
  content: "";
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
}

.service-slider::before {
  left: 0;
  background: linear-gradient(to right, #1c8c87, transparent);
}

.service-slider::after {
  right: 0;
  background: linear-gradient(to left, #1c8c87, transparent);
}

.slider-track {
  display: flex;
  width: max-content;
  animation: sliderLoop 20s linear infinite;
  will-change: transform;
}

/* 画像 */
.slider-track img {
  width: 300px;
  height: 200px;
  object-fit: cover;
  flex-shrink: 0;
  margin-right: 20px;
  border-radius: 12px;
  transition: 0.3s;
  opacity: 0.8;
}

.slider-track img:hover {
  transform: scale(1.05);
  opacity: 1;
}

/* 無限スクロール */
@keyframes sliderLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.service-detail {
  position: relative;
  padding: 120px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

/* アクティブ位置の線 */
.service-detail .active-line {
  position: absolute;
  left: calc(95px + 15px); /* ←今の中央位置そのまま */
  width: 1px;
  height: 60px;

  background: #00ff55;
  border-radius: 10px;

  box-shadow: 0 0 10px #00ff55;

  transition:
    top 0.3s ease,
    height 0.3s ease;
}

html {
  scroll-behavior: smooth;
}
/* ブロック */
.service-item {
  position: relative;
  display: flex;
  gap: 30px;
  padding: 30px 0;
  scroll-margin-top: 120px;
}

.service-detail::before,
.service-detail::after {
  left: calc(105px + 15px);
}

/* 番号（でかくて薄い） */
.num {
  font-size: 60px;
  font-weight: bold;
  opacity: 0.2;
  width: 80px;
  flex-shrink: 0;
  text-align: right;
}

/* コンテンツ */
.content {
  flex: 1;
}

/* タイトル */
.content h2 {
  font-size: 26px;
  letter-spacing: 1px;
}

/* キャッチ */
.content h4 {
  font-size: 18px;
  color: #00ff55;
  margin: 5px 0 10px;
}

/* 本文 */
.content p {
  font-size: 16px;
  line-height: 1.7;
  opacity: 0.75;
}

/* ホバーでちょい動き */
.service-item:hover {
  transform: translateX(8px);
  transition: 0.3s;
}

/* フェード */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.6s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* footer */

.footer {
  background: #1c8c87;
  color: #f7f7f7;
  padding: 60px 20px;
}

.footer-inner {
  max-width: 1100px;
  margin: auto;
  text-align: center;
}

.footer-logo {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 30px;
}

.footer-logo img {
  width: 100px;
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-nav a {
  color: #f7f7f7;
  text-decoration: none;
  opacity: 0.8;
}

.footer-nav a:hover {
  opacity: 1;
}

.copyright {
  font-size: 14px;
  opacity: 0.6;
}

/* ===== overlay ===== */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;

  background: rgba(0, 0, 0, 0.4);

  opacity: 0;
  visibility: hidden;

  transition: 0.3s;
}

#menu-btn:checked ~ .overlay {
  opacity: 1;
  visibility: visible;
}

#menu-btn:checked + .btn span {
  background: transparent;
}

#menu-btn:checked + .btn span::before {
  transform: rotate(45deg);
}

#menu-btn:checked + .btn span::after {
  transform: rotate(-45deg);
}

/* ===== hamburger ===== */

#menu-btn {
  display: none;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 60px;
  height: 60px;
  background: #1c8c87;
  backdrop-filter: blur(10px);
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  z-index: 2000;
}

.btn span {
  display: block;
  width: 34px;
  height: 3px;
  background: #fff;
  position: relative;
}

.btn span::before,
.btn span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 32px;
  height: 3px;
  background: #333;
  transition: 0.3s;
}

.btn span::before {
  top: -10px;
}

.btn span::after {
  top: 10px;
}

#menu-btn:checked + .btn span {
  background: transparent;
}

#menu-btn:checked + .btn span::before {
  transform: rotate(45deg);
  top: 0;
}

#menu-btn:checked + .btn span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .logo img {
    width: 100px;
  }

  /* ハンバーガー */

  .btn {
    display: flex;
  }

  .nav-menu {
    flex-direction: column; /* ←縦並び */
    align-items: flex-start; /* ←左揃え */
    gap: 30px;

    width: 100%;
  }

  .nav-menu li {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    width: 100%;
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  /* ナビカード */

  .nav-card {
    position: fixed;

    top: 0;
    left: -100%;

    width: 50%;
    height: 60vh;

    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);

    flex-direction: column;
    justify-content: center;

    transition: 0.3s ease;
  }

  #menu-btn:checked ~ .nav-card {
    left: 0;
  }

  .hero-logo {
    width: 260px;
  }

  .project-inner h2 {
    font-size: 28px;
  }

  .service-sticky {
    padding: 60px 20px;
    flex-direction: column; /* ←縦にする */
  }

  .sticky-left {
    position: static;
    margin: 40px auto;
    padding: 0 20px;

    max-width: 100%;
    text-align: center;

    font-size: 32px;
    line-height: 1.6;
  }

  .sticky-left img {
    width: 100%;
    max-width: 300px;
  }

  .sticky-left p {
    font-size: 24px;
  }

  .sticky-right {
    margin-top: 30px;
  }

  .service-block {
    margin-right: 0;
    padding: 15px 0;
  }

  .service-block h3 {
    font-size: 22px;
  }

  .service-block p {
    font-size: 16px;
  }

  .slider-track img {
    width: 200px;
    height: 140px;
  }

  .service-item {
    flex-direction: column;
    gap: 10px;
  }

  .num {
    font-size: 40px;
    text-align: left;
  }

  .active-line {
    display: none;
  }

  .container {
    padding: 60px 20px;
  }
}

@media (min-width: 901px) {
  .btn {
    display: none;
  }
}

/* スマホ */
@media (max-width: 768px) {
  .project-bg-text img {
    max-width: 400px;
  }
}

@media (max-width: 480px) {
  .project-bg-text img {
    max-width: 280px;
  }
}
