@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700;1,900&display=swap");
:root {
  --color-primary: #2f2c2a;
  --color-primary-light: #817e7c;
  --color-primary-pale: #b4b3b3;
  --color-secondary: #ffffff;
  --color-accent: #1b86d4;
  --header-height: 50px;
  --font-family: "Objective", "游ゴシック体", "Yu Gothic", YuGothic, "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", "Meiryo", sans-serif;
  --font-family-title: "Merriweather", serif;
  --font-size: 16px;
}
body {
  position: relative;
  overflow-x: hidden;
  font-family: var(--font-family);
  font-size: var(--font-size);
  color: var(--color-primary);
  min-height: 100svh;
  min-height: -webkit-fill-available;
  overscroll-behavior: none;
  letter-spacing: 2px;
  height: 100%;
}
body.fixed {
  overflow: hidden;
}

.mouse-stalker {
  display: none;
}

.desc h2 {
  font-size: 1.75rem;
  font-family: var(--font-family-title);
}
.desc h3 {
  font-size: 1.5rem;
  font-family: var(--font-family-title);
}
.desc h4 {
  font-size: 1.25rem;
  font-family: var(--font-family-title);
}
.desc .text {
  margin: 1.5rem auto;
}
.desc .text p {
  line-height: 2;
}
.desc .text p + p {
  margin-top: 0.5rem;
}

a {
  text-decoration: none;
}

.en {
  font-family: var(--font-family-title);
}

/* Responsive */
.pc {
  display: none;
}

.sp {
  display: block;
}

.button {
  margin-top: 1rem;
  display: inline-block;
}
.button a {
  text-decoration: none;
  color: var(--color-secondary);
  padding: 1rem 2rem;
  background-color: var(--color-primary);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  padding: 1rem 0.75rem;
  width: 100%;
  height: var(--header-height);
  overflow: hidden;
  z-index: 99999;
  background: none;
}
header .logo a img {
  width: 180px;
}

/* noise */
.noise {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  background-image: url(../images/noise.png);
  background-size: 150px 150px;
  opacity: .4;
}

#mv {
  position: relative;
  width: 100%;
  height: calc(250vh - var(--header-height));
  background-color: var(--color-secondary);
}
#mv .concept-box {
  position: relative;
  width: 100%;
  height: calc(290vh - var(--header-height));
}
#mv .concept-box .concept {
  position: sticky;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9;
}
#mv .concept-box .concept h1 {
  position: relative;
  font-size: clamp(2rem, 3.5vw, 5rem);
  color: var(--color-accent);
  font-family: var(--font-family-title);
  text-align: center;
  line-height: normal;
}
#mv .concept-box .concept h1 strong {
  color: #d4521b;
}
#mv .expanding-box {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  /* background-color: var(--color-primary); */
}

section {
  position: relative;
  padding: 5rem 0;
  z-index: 99;
}
section .wrapper {
  padding: 0 1.25rem;
}

#about {
  color: var(--color-secondary);
}
#about .desc .profile-box {
  margin-top: 1rem;
}
#about .desc .profile-box h3 small {
  font-size: 0.5em;
  padding-right: 0.25rem;
}
#about .desc .about-flex {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
#about .desc .about-flex .about-img svg {
  stroke: #FFFFFF; /* 線の色 */
  stroke-width: 2; /* 線の太さ */
  fill: none; /* 塗りつぶしを無効に */
}

/* #portfolio */
#portfolio {
  background-color: var(--color-secondary);
}
#portfolio .title h2 {
  margin-bottom: 1rem;
}
#portfolio .portfolio-mock {
  position: relative;
  margin-top: 3rem;
  overflow: hidden;
  z-index: 999;
}
#portfolio .portfolio-mock .mock-pc {
  width: 73.25vw;
  height: auto;
}
#portfolio .portfolio-mock .mock-sp {
  position: absolute;
  top: 0;
  right: 0;
  width: 22vw;
  height: auto;
  z-index: 99;
}
#portfolio .portfolio-mock .portfolio-mock-img {
  position: absolute;
  top: 3.25vw;
  left: 4vw;
  width: 100%;
}
#portfolio .portfolio-mock .portfolio-mock-img .portfolio-works > * {
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: top;
     object-position: top;
}
#portfolio .portfolio-mock .portfolio-mock-img .portfolio-works .works-pc {
  width: clamp(200px, 54.5vw, 1000px);
  aspect-ratio: 16/10;
  height: 34vw;
  margin-left: clamp(20px, 5.5vw, 75px);
}
#portfolio .portfolio-mock .portfolio-mock-img .portfolio-works .works-sp {
  position: absolute;
  right: 5vw;
  width: 19.5vw;
  height: 39.5vw;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc {
  margin-top: 1rem;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc h3 {
  font-size: 1rem;
  text-align: center;
  line-height: normal;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc .desc-detail {
  text-align: center;
  padding: .25rem;
  margin-top: .5rem;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc .tech {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc .tech li {
  list-style: none;
}
#portfolio .portfolio-mock .portflio-mock-desc .portfolio-desc .tech li i {
  font-size: 1.5rem;
}
.portfolio-select {
  position: fixed;
  top: 50%;
  left: 0;
  width: 100%;
  height: auto;
  transition: none; /* GSAPで制御 */
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  /* 初期状態はGSAPで設定 */
}
.portfolio-select.active {
  pointer-events: auto;
}
.portfolio-close-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: rgba(47, 44, 42, 0.9);
  border: 2px solid var(--color-secondary);
  border-radius: 50%;
  color: var(--color-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: none; /* GSAPで制御 */
  pointer-events: auto; /* クリック可能にする */
}
.portfolio-close-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.portfolio-close-btn i {
  pointer-events: none;
}
.portfolio-select ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.5rem;
  width: 100%;
  perspective: 1000px;
}
.portfolio-select ul li {
  list-style: none;
  width: calc(25% - 0.5rem);
  box-shadow: 0 0 10px rgba(1, 1, 1, 1);
  transform-style: preserve-3d;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0); /* GPUアクセラレーション */
}
.portfolio-select ul li a {
  overflow: hidden;
}
.portfolio-select ul li a img {
  width: 100%;
  height: 45vw;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: top;
     object-position: top;
}
.portfolio-select ul li a .site-title {
  display: none;
}

#skills {
  color: var(--color-secondary);
}
#skills .chart-box {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
#skills .chart-box canvas {
  width: 100%;
  height: auto;
}

#contact {
  background-color: var(--color-secondary);
}
#contact form .form-block {
  display: flex;
  flex-direction: column;
  margin-top: 1.5rem;
}
#contact form .form-block label {
  padding-bottom: 1rem;
  font-size: 0.825em;
  color: var(--color-primary);
}
#contact form .form-block input, #contact form .form-block textarea {
  padding: 1rem;
  border: 1px solid var(--color-primary-light);
  background-color: var(--color-primary);
  color: var(--color-secondary);
}
#contact form .form-block input:focus, #contact form .form-block textarea:focus {
  outline: 0;
  border: 1px solid var(--color-accent);
  box-shadow: 2px 2px 10px var(--color-accent);
}
#contact form .form-block textarea {
  min-height: 10rem;
}
#contact form .form-block .submit-btn {
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
  display: inline-block;
  width: fit-content;
  padding: 0.5rem 3rem;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  border: none;
  font-size: var(--font-size);
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.5s;
}
#contact form .form-block .submit-btn::before {
  content: "";
  width: 4rem;
  height: 2px;
  background-color: var(--color-primary-light);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateX(50%);
  cursor: pointer;
  transition: all 0.5s;
}
#contact form .form-block .submit-btn .loading {
  display: none;
  align-items: center;
  gap: 10px;
}
#contact form .form-block .submit-btn .loading.is-loading .default {
  display: none;
}
#contact form .form-block .submit-btn .loading.is-loading .loading {
  display: flex;
}
#contact form .form-block .submit-btn .loading .spinner {
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid #fff;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
}
/* サンクスページ専用のレイアウト */
body.page-thanks {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}
body.page-thanks main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0; /* flexboxで縮小を許可 */
}
#contact-thanks {
  background-color: var(--color-secondary);
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  min-height: 0; /* flexboxで縮小を許可 */
}
#contact-thanks .wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
}
#contact-thanks .desc {
  margin-bottom: 2rem;
}
#contact-thanks .button {
  margin-top: 2rem;
}
body.page-thanks footer {
  flex-shrink: 0; /* フッターは縮小しない */
}

/* #shadow */
#shadow {
  width: 100%;
  height: 100svh;
  background-color: var(--color-secondary);
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  opacity: .5;
}
#shadow.active {
  display: block;
}

/* footer */
footer {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  bottom: 0;
  z-index: 99;
}
footer .footer-logo a img {
  width: 100%;
}
footer .footer-links {
  margin-top: 2rem;
}
footer .footer-links ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
footer .footer-links ul li {
  list-style: none;
}
footer .footer-links ul li a {
  color: var(--color-secondary);
  font-size: 2rem;
}
footer .copy {
  margin-top: 2rem;
  padding: 1rem;
  text-align: center;
  color: var(--color-primary-light);
}

/* Animation */
.target {
  opacity: 1; /* GSAPで制御するため、初期状態は表示 */
  transition: all 2s;
}
.target.is-show {
  opacity: 1;
}
/* GSAPアニメーション用の初期状態（JSで制御） */
.target.animate-ready {
  opacity: 0;
}
.target.is-show.draw {
  animation: draw 3s ease forwards;
}

@keyframes draw {
  0% {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    fill: transparent;
  }
  50% {
    stroke-dashoffset: 0;
    fill: transparent;
  }
  100% {
    stroke-dashoffset: 0;
    fill: #FFFFFF;
  }
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ローディングアニメーション */
#page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.loader-content {
  text-align: center;
}
.loader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top: 4px solid var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 2rem;
}
.loader-text {
  color: var(--color-secondary);
  font-family: var(--font-family-title);
  font-size: 1.5rem;
  letter-spacing: 3px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ポートフォリオカード3D効果 */
.portfolio-select li {
  transition: none; /* GSAPで制御 */
  transform-style: preserve-3d;
}

/* フォーム入力アニメーション */
#contactForm input:focus,
#contactForm textarea:focus {
  transition: transform 0.3s ease;
}

/* ヘッダーアニメーション */
header {
  transition: transform 0.3s ease;
}

/* フッターアイコンアニメーション */
.footer-links a {
  transition: transform 0.3s ease;
  display: inline-block;
}

/* ポートフォリオモック3D効果 */
.portfolio-mock {
  transform-style: preserve-3d;
  perspective: 1000px;
}

@media (min-width: 768px) {
  section .wrapper {
    padding: 0;
    width: 80%;
    max-width: 740px;
    margin: auto;
  }

  /* #about */
  #about .desc .about-flex {
    flex-direction: row;
    align-items: center;
  }
  #about .desc .about-flex .text-box {
    width: 70%;
  }
  #about .desc .about-flex .about-img {
    width: 30%;
  }
}
@media (min-width: 1024px) {
  :root {
    --font-size: 1.1vw;
  }
  .button a {
    transition: all 0.5s;
  }
  .button a:hover {
    background-color: var(--color-accent);
  }
  .mouse-stalker {
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    position: fixed;
    top: -5px;
    left: -5px;
    width: 10px;
    height: 10px;
    background: var(--color-secondary);
    border-radius: 50%;
    transform: translate(0, 0);
    transition: transform 0.1s, width 0.2s, height 0.2s, top 0.2s, left 0.2s;
    transition-timing-function: ease-out;
    z-index: 99999;
    mix-blend-mode: difference;
  }
  .mouse-stalker.is_active {
    /* サイズはJavaScriptで動的に設定される */
    border-radius: 50px;
  }
  .mouse-stalker-text {
    font-size: 0;
    color: var(--color-primary);
    font-family: var(--font-family-title);
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease, font-size 0.2s ease;
    pointer-events: none;
  }
  .mouse-stalker.is_active .mouse-stalker-text {
    font-size: 0.625rem;
    opacity: 1;
  }
  .desc h2 {
    font-size: 3rem;
  }
  .desc h3 {
    font-size: 1.75rem;
  }
  header .logo a {
    transition: all 0.5s;
  }
  header .logo a img {
    width: 230px;
  }
  header .logo a:hover {
    opacity: 0.7;
  }

  #mv .concept-box .concept h1 br {
    display: none;
  }
  #mv .expanding-box {
    width: 500px;
    height: 500px;
  }
  section .wrapper {
    min-width: 980px;
    max-width: 1980px;
    width: 80%;
  }

  /* #portfolio */
  #portfolio .desc {
    display: flex;
  }
  #portfolio .portfolio-mock {
    width: 100%;
    cursor: pointer;
  }
  #portfolio .portfolio-mock .mock-pc {
    width: 54vw;
  }
  #portfolio .portfolio-mock .mock-sp {
    top: 2rem;
    width: 15vw;
  }
  #portfolio .portfolio-mock .portfolio-mock-img {
    top: 2.25vw;
  }
  #portfolio .portfolio-mock .portfolio-mock-img .portfolio-works .works-pc {
    width: 40.25vw;
    height: 25.25vw;
    margin-left: 2.95vw;
  }
  #portfolio .portfolio-mock .portfolio-mock-img .portfolio-works .works-sp {
    top: 2rem;
    width: 13vw;
    height: 26.5vw;
  }
  .portfolio-select ul {
    width: 60%;
    gap: 1rem;
  }
  .portfolio-select ul li {
    width: calc(20% - 1rem);
  }
  .portfolio-select ul li a img {
    height: 20vw;
  }
  .portfolio-close-btn {
    top: 1.5rem;
    right: 1.5rem;
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }

  #contact .wrapper {
    display: flex;
    gap: 3rem;
  }
  #contact .wrapper form {
    width: 100%;
  }
  #contact .wrapper form .form-block:nth-child(2) {
    margin-top: 0;
  }
  #contact form .form-block.submit-btn:hover::before {
    right: -15px;
  }
  #contact form .form-block.submit-btn:hover input[type=submit] {
    background-color: var(--color-accent);
  }
  footer .copy {
    padding: 1.25rem;
  }
}