@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

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

/* =========================
   Header
========================= */
.header {
  width: 100%;
  height: 80px;
  background-color: #111;
  border-bottom: 3px solid #111;
}

.header-inner {
  width: min(100%, 1280px);
  height: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.header-logo img {
  width: 110px;
}

.header-logo p {
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 45px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-item a {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1;
  transition: opacity 0.3s ease;
}

.nav-item a:hover {
  opacity: 0.6;
}

.nav-item a:focus-visible,
.contact-btn:focus-visible,
.works-arrow:focus-visible,
.footer-icon:focus-visible {
  outline: 2px solid #444;
  outline-offset: 3px;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 40px;
  border-radius: 20px;
  background-color: #ffffff;
  color: #111;
  font-weight: 600;
  line-height: 1;
  cursor: default;
  transition:
    background-color 0.3s ease,
    transform 0.3s ease,
    opacity 0.3s ease;
}

.contact-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* =========================
   FV
========================= */
.fv {
  background: #ffffff;
  min-height: 820px;
  overflow: hidden;
  position: relative;
  border-bottom: 4px solid #111;
}

.fv-inner {
  position: relative;
  min-height: 820px;
  z-index: 2;
}

.fv-copy {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 5;
}

.fv-title {
  margin: 0;
  line-height: 1;
  letter-spacing: 0.04em;
}

.fv-title img {
  display: block;
  width: min(680px, 80vw);
  height: auto;
  opacity: 0;
  animation: fadeUpSingle 1.2s ease 0.4s forwards;
}

.fv-title p {
  display: block;
  color: #111;
  font-size: clamp(64px, 10vw, 160px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: fadeUpSingle 1.2s ease 0.4s forwards;
}

.fv-subtitle {
  margin: 16px 0 0;
  color: #111;
  font-size: clamp(14px, 1vw, 18px);
  letter-spacing: 0.08em;
  font-family: "Kosugi Maru", sans-serif;
  opacity: 0;
  animation: fadeUpSingle 1s ease 0.6s forwards;
}

.fv-lines {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 4;
}

.fv-lines span {
  display: block;
  height: 4px;
  background: #111;
  border-radius: 999px;
  opacity: 0;
}

/* 左上 */
.fv-lines--top-left {
  top: 10px;
  left: 0;
  align-items: flex-start;
}

.fv-lines--top-left span:nth-child(1) {
  width: 1050px;
  animation: slideInLeft 0.8s ease 0.15s forwards;
}

.fv-lines--top-left span:nth-child(2) {
  width: 800px;
  animation: slideInLeft 0.8s ease 0.25s forwards;
}

.fv-lines--top-left span:nth-child(3) {
  width: 500px;
  animation: slideInLeft 0.8s ease 0.35s forwards;
}

.fv-lines--top-left span:nth-child(4) {
  width: 250px;
  animation: slideInLeft 0.8s ease 0.45s forwards;
}

/* 右下 */
.fv-lines--bottom-right {
  right: 0;
  bottom: 10px;
  align-items: flex-end;
}

.fv-lines--bottom-right span:nth-child(1) {
  width: 250px;
  animation: slideInRight 0.8s ease 0.15s forwards;
}

.fv-lines--bottom-right span:nth-child(2) {
  width: 500px;
  animation: slideInRight 0.8s ease 0.25s forwards;
}

.fv-lines--bottom-right span:nth-child(3) {
  width: 800px;
  animation: slideInRight 0.8s ease 0.35s forwards;
}

.fv-lines--bottom-right span:nth-child(4) {
  width: 1000px;
  animation: slideInRight 0.8s ease 0.45s forwards;
}

.fv-network {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  perspective: 1400px;
  opacity: 0;
  animation: networkFade 1.2s ease 0.6s forwards;
}

.fv-network img {
  display: block;
  width: 100%;
  height: auto;
  transform-origin: center center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
}

/* 左下 */
.fv-network--left {
  left: -180px;
  bottom: -170px;
  width: min(44vw, 760px);
}

.fv-network--left img {
  animation: networkFloatLeft 16s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite alternate;
}

/* 右上 */
.fv-network--right {
  right: -180px;
  top: -170px;
  width: min(44vw, 760px);
}

.fv-network--right img {
  animation: networkFloatRight 16s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite alternate;
}

/* =========================
   Animation
========================= */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-80px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(80px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeUpSingle {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes networkFade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes networkFloatLeft {
  0% {
    transform:
      rotateX(10deg) rotateY(-12deg) rotateZ(-2deg) translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform:
      rotateX(8deg) rotateY(-8deg) rotateZ(0deg) translate3d(6px, 5px, 0) scale(1.01);
  }

  100% {
    transform:
      rotateX(6deg) rotateY(-5deg) rotateZ(2deg) translate3d(12px, 10px, 0) scale(1.02);
  }
}

@keyframes networkFloatRight {
  0% {
    transform:
      rotate(180deg) rotateX(10deg) rotateY(12deg) rotateZ(2deg) translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform:
      rotate(180deg) rotateX(8deg) rotateY(8deg) rotateZ(0deg) translate3d(-6px, -5px, 0) scale(1.01);
  }

  100% {
    transform:
      rotate(180deg) rotateX(6deg) rotateY(5deg) rotateZ(-2deg) translate3d(-12px, -10px, 0) scale(1.02);
  }
}

/* =========================
   Profile
========================= */
.profile {
  position: relative;
  width: 100%;
  height: 900px;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 背景アニメーション */
.profile-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.profile-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform:
    translate3d(calc((var(--mx, 0.5) - 0.5) * 14px),
      calc((var(--my, 0.5) - 0.5) * 14px),
      0);
  transition: transform 0.18s ease-out;
}

.profile-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1440px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-card {
  width: min(92%, 850px);
  min-height: 620px;
  background: #ffffff;
  border: 4px solid #111;
  border-radius: 28px;
  padding: 48px 96px 54px;
  box-sizing: border-box;
}

.profile-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  color: #111;
  margin: 0 0 40px;
}

/* 元のProfile表デザインを残すための既存スタイル */
.profile-list {
  width: 100%;
  border-top: 1px solid #111;
}

.profile-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  padding: 32px 40px;
  border-bottom: 1px solid #111;
  align-items: start;
}

.profile-item dt {
  font-size: 13px;
  font-weight: 700;
  color: #111;
  line-height: 2;
}

.profile-item dd {
  font-size: 14px;
  line-height: 2;
  color: #111;
}

.topic-label {
  display: block;
}

.label-ja {
  display: block;
  font-size: 13px;
  font-weight: 700;
  line-height: 2;
}

.label-en {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: #444;
  white-space: nowrap;
}

.value-ja {
  display: block;
  font-size: 14px;
  line-height: 2;
}

.value-en {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: #444;
}

.split {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.profile-demo-line {
  width: 100%;
  border-top: 1px solid #111;
  border-bottom: 1px solid #111;
  padding: 64px 40px;
  color: #111;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.8;
  letter-spacing: 0.08em;
  text-align: center;
}

/* ================================
   Profile表のみ 1カラム切り替え / 750px
================================ */
@media screen and (max-width: 750px) {

  .profile-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 20px 24px;
  }

  .topic-label {
    display: flex;
    align-items: baseline;
    gap: 16px;
  }

  .label-en {
    position: static;
    transform: none;
    white-space: nowrap;
  }

  .profile-item dd {
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
  }

  .value-ja,
  .value-en {
    display: inline;
  }

}

/* =========================
   Typing Panel Animation
========================= */
.typing-card {
  position: absolute;
  min-width: 220px;
  max-width: 460px;
  padding: 16px 18px;
  border: 3px solid;
  border-radius: 20px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease,
    width 0.08s linear;
}

.typing-card.theme-light {
  background: #fff;
  color: #111;
  border-color: #111;
}

.typing-card.theme-dark {
  background: #111;
  color: #fff;
  border-color: #fff;
}

.typing-card.show {
  opacity: 1;
  transform: translateY(0);
}

.typing-card.fade-out {
  opacity: 0;
  transform: translateY(-16px);
}

.typing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.typing-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-weight: 700;
}

.typing-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.typing-meta {
  white-space: nowrap;
  font-weight: 500;
  opacity: 1;
}

.typing-body {
  font-family:
    "SFMono-Regular",
    "Consolas",
    "Menlo",
    "Monaco",
    "Courier New",
    monospace;
  font-size: 19px;
  line-height: 1.6;
  min-height: 1.6em;
  word-break: break-word;
}

.typing-line {
  display: inline;
  white-space: nowrap;
}

.typing-measure {
  position: absolute;
  left: -9999px;
  top: -9999px;
  visibility: hidden;
  white-space: nowrap;
  font-family:
    "SFMono-Regular",
    "Consolas",
    "Menlo",
    "Monaco",
    "Courier New",
    monospace;
  font-size: 16px;
  line-height: 1.6;
  padding: 0;
  border: 0;
}

.cursor {
  display: inline-block;
  width: 0.7ch;
  margin-left: 1px;
  animation: blink 0.92s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.typing-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 9px;
}

.typing-progress {
  position: relative;
  flex: 1;
  height: 4px;
  border: 1px solid currentColor;
  border-radius: 999px;
  overflow: hidden;
  background: transparent;
}

.typing-progress>span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: currentColor;
  transition: width 0.08s linear;
}

.typing-state {
  flex-shrink: 0;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0.72;
}

/* =========================
   Works
========================= */
.works {
  position: relative;
  height: 900px;
  background:
    radial-gradient(circle, rgba(111, 111, 111, 0.05) 2px, transparent 2px),
    #111;
  background-size: 30px 30px;
  overflow: hidden;

  --works-card-w: clamp(250px, 55vw, 800px);
  --works-card-h: calc(var(--works-card-w) * 0.625);
  --works-frame-w: calc(var(--works-card-w) + clamp(24px, 2vw, 20px));
  --works-frame-h: calc(var(--works-card-h) + clamp(24px, 2vw, 20px));
  --works-gap: clamp(40px, 7vw, 120px);
  --works-arrow-size: clamp(52px, 4.5vw, 64px);
  --works-arrow-offset: clamp(12px, 3vw, 46px);
}

.works-inner {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

.works-title {
  position: absolute;
  top: 132px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  margin: 0;
  z-index: 5;
}

.works-corner {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}

.corner-svg {
  display: block;
  overflow: visible;
}

.works-corner--outer .corner-svg {
  width: 63px;
  height: 63px;
}

.works-corner--inner .corner-svg {
  width: 32px;
  height: 32px;
}

.works-corner--outer.works-corner--top-left {
  top: 36px;
  left: 36px;
}

.works-corner--outer.works-corner--top-right {
  top: 36px;
  right: 36px;
}

.works-corner--outer.works-corner--bottom-left {
  bottom: 36px;
  left: 36px;
}

.works-corner--outer.works-corner--bottom-right {
  bottom: 36px;
  right: 36px;
}

.works-corner--inner.works-corner--top-left {
  top: 56px;
  left: 56px;
}

.works-corner--inner.works-corner--top-right {
  top: 56px;
  right: 56px;
}

.works-corner--inner.works-corner--bottom-left {
  bottom: 56px;
  left: 56px;
}

.works-corner--inner.works-corner--bottom-right {
  bottom: 56px;
  right: 56px;
}

.works-corner--top-right .corner-svg {
  transform: scaleX(-1);
  transform-origin: center;
}

.works-corner--bottom-left .corner-svg {
  transform: scaleY(-1);
  transform-origin: center;
}

.works-corner--bottom-right .corner-svg {
  transform: scale(-1, -1);
  transform-origin: center;
}

.works-slider {
  position: absolute;
  top: 212px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
}

.works-stage {
  position: relative;
  width: 100%;
  height: clamp(470px, 58vw, 520px);
  margin: 0 auto;
}

.works-center-frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--works-frame-w);
  height: var(--works-frame-h);
  transform: translate(-50%, -50%);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 0 0 3px rgba(111, 111, 111, 0.08);
  z-index: 1;
  pointer-events: none;
}

.works-track-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--works-card-w);
  height: var(--works-card-h);
  transform: translate(-50%, -50%);
  overflow: hidden;
  z-index: 2;
}

.works-track {
  display: flex;
  align-items: center;
  gap: var(--works-gap);
  height: 100%;
  transition: transform 0.65s ease;
  will-change: transform;
}

.works-card {
  position: relative;
  flex: 0 0 var(--works-card-w);
  width: var(--works-card-w);
  height: var(--works-card-h);
  display: block;
  border-radius: 16px;
  overflow: hidden;
  transform: scale(0.78);
  transform-origin: center center;
  transition: transform 0.65s ease;
}

.works-card.is-center {
  transform: scale(1);
}

.works-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.works-card picture {
  display: block;
  width: 100%;
  height: 100%;
}

.works-card--demo {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0)),
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.18), transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.10), transparent 28%),
    #222;
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: default;
}

.works-card__demo-bg {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0 28px,
      rgba(255, 255, 255, 0.045) 28px 30px
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0 28px,
      rgba(255, 255, 255, 0.045) 28px 30px
    );
  opacity: 0.9;
}

.works-card__demo-text {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #ffffff;
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  z-index: 1;
}

.works-arrow {
  position: absolute;
  top: 50%;
  width: var(--works-arrow-size);
  height: var(--works-arrow-size);
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  opacity: 0.42;
  z-index: 4;
  transform: translateY(-50%);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.works-arrow:hover {
  opacity: 0.72;
  transform: translateY(-50%) scale(1.04);
}

.works-arrow img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.works-arrow--prev {
  left: calc(50% - (var(--works-card-w) / 2) - var(--works-arrow-size) - var(--works-arrow-offset));
}

.works-arrow--next {
  right: calc(50% - (var(--works-card-w) / 2) - var(--works-arrow-size) - var(--works-arrow-offset));
}

.works-indicators {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  gap: 16px;
  z-index: 5;
}

.works-indicator {
  width: 54px;
  height: 5px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: background-color 0.3s ease, opacity 0.3s ease;
}

.works-indicator.is-active {
  background: #fff;
}

/* =========================
   Contact
========================= */
.contact {
  background: #111;
  padding: 0;
}

.contact-inner {
  position: relative;
  background: #ffffff;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-panel {
  position: relative;
  z-index: 3;
  width: min(1000px, calc(100vw - 64px));
  min-height: 350px;
  background: #111;
  border: 15px solid #111;
  border-radius: 0 100px 0 100px;
  box-shadow: inset 0 0 0 4px #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 4vw, 56px);
  padding: 0 clamp(24px, 7vw, 96px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-panel:hover {
  transform: translateY(-4px);
  box-shadow:
    inset 0 0 0 4px #ffffff,
    0 16px 40px rgba(0, 0, 0, 0.18);
}

.contact-panel__text {
  color: #ffffff;
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  min-width: 0;
}

.contact-panel__icon {
  z-index: 1;
  flex: 0 0 auto;
  width: clamp(72px, 10vw, 100px);
  height: clamp(72px, 10vw, 100px);
  border-radius: clamp(16px, 2vw, 20px);
  background: #ffffff;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-panel__icon img {
  display: block;
  width: clamp(38px, 5.6vw, 56px);
  height: clamp(38px, 5.6vw, 56px);
  object-fit: contain;
}

.contact-panel__icon span {
  position: absolute;
  inset: 0;
}

.contact-panel__icon span::before,
.contact-panel__icon span::after {
  content: "";
  position: absolute;
  background: #111;
  border-radius: 999px;
}

.contact-panel__icon span::before {
  width: 46px;
  height: 6px;
  top: 52px;
  left: 30px;
}

.contact-panel__icon span::after {
  width: 24px;
  height: 6px;
  top: 44px;
  left: 52px;
  transform: rotate(45deg);
  transform-origin: right center;
}

.contact-deco {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.contact-deco .sq {
  position: absolute;
  display: block;
  border-radius: 10px;
  transform: rotate(45deg);
  animation: contactFloat 7s ease-in-out infinite;
}

.contact-deco .sq.fill {
  background: #111;
}

.contact-deco .sq.outline {
  border: 3px solid #111;
  background: transparent;
}

.contact-deco .sq.xs {
  width: 28px;
  height: 28px;
}

.contact-deco .sq.sm {
  width: 64px;
  height: 64px;
}

.contact-deco .sq.md {
  width: 120px;
  height: 120px;
}

.contact-deco .sq.lg {
  width: 180px;
  height: 180px;
}

.contact-deco--left .sq:nth-child(1) { top: 10px;  left: -34px; animation-delay: 0s; }
.contact-deco--left .sq:nth-child(2) { top: 240px; left: 20px;  animation-delay: 0.8s; }
.contact-deco--left .sq:nth-child(3) { top: 135px; left: 195px; animation-delay: 1.6s; }
.contact-deco--left .sq:nth-child(4) { top: 450px; left: 126px; animation-delay: 2.2s; }
.contact-deco--left .sq:nth-child(5) { top: -30px; left: 198px; animation-delay: 1.2s; }
.contact-deco--left .sq:nth-child(6) { top: 30px;  left: 450px; animation-delay: 2.6s; }
.contact-deco--left .sq:nth-child(7) { top: 340px; left: 300px; animation-delay: 3s; }

.contact-deco--right .sq:nth-child(1) { top: 250px; right: 300px; animation-delay: 0.2s; }
.contact-deco--right .sq:nth-child(2) { top: 500px; right: 200px; animation-delay: 1.3s; }
.contact-deco--right .sq:nth-child(3) { top: 300px; right: 150px; animation-delay: 2s; }
.contact-deco--right .sq:nth-child(4) { top: 400px; right: -24px; animation-delay: 2.8s; }
.contact-deco--right .sq:nth-child(5) { top: 400px; right: 300px; animation-delay: 1.1s; }
.contact-deco--right .sq:nth-child(6) { top: 500px; right: 450px; animation-delay: 2.4s; }
.contact-deco--right .sq:nth-child(7) { top: 100px; right: 100px; animation-delay: 3.1s; }

@keyframes contactFloat {
  0%, 100% { transform: rotate(45deg) translate3d(0, 0, 0); }
  50%       { transform: rotate(45deg) translate3d(0, -10px, 0); }
}

/* =========================
   Footer
========================= */
.footer {
  position: relative;
  background: #ffffff;
  padding: 28px 20px;
  border-top: 5px solid #111;
}

.footer-copy-right {
  display: block;
  text-align: center;
  font-size: 14px;
  color: #111;
  line-height: 1;
}

/* ================================
   Works スライダー縦表示 / 750px
================================ */
@media screen and (max-width: 750px) {

  .works-slider {
    top: 230px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
  }

  .works-stage {
    position: relative;
    width: 100%;
    height: 470px;
  }

  .works-center-frame {
    top: 50%;
    left: 50%;
    width: 284px;
    height: 458px;
    transform: translate(-50%, -50%);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    box-shadow: 0 0 0 3px rgba(111, 111, 111, 0.12);
  }

  .works-track-wrap {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250px;
    height: 430px;
    transform: translate(-50%, -50%);
    overflow: hidden;
  }

  .works-track {
    display: flex;
    align-items: center;
    gap: 76px;
    height: 100%;
    transition: transform 0.65s ease;
    will-change: transform;
  }

  .works-card {
    flex: 0 0 250px;
    width: 250px;
    height: 430px;
    border-radius: 12px;
    transform: scale(1);
  }

  .works-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .works-arrow--prev {
    display: none;
  }

  .works-arrow {
    top: 50%;
    width: 52px;
    height: 52px;
    transform: translateY(-50%);
    opacity: 0.42;
  }

  .works-arrow:hover {
    transform: translateY(-50%);
  }

  .works-arrow--next {
    right: 12px;
  }

  .works-indicators {
    position: absolute;
    top: 50%;
    bottom: auto;
    left: 34px;
    right: auto;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 18px;
    z-index: 5;
  }

  .works-indicator {
    width: 3px;
    height: 52px;
    border-radius: 999px;
  }

  .works-indicator.is-active {
    opacity: 1;
  }

  .footer {
    padding: 18px 0 28px;
  }

  .footer-copy-right {
    margin-top: 8px;
    font-size: 12px;
  }

}

/* ========================================
   Responsive / SP 430px
======================================== */
@media screen and (max-width: 430px) {

  /* -------------------------
     Header
  ------------------------- */
  .header {
    height: 80px;
  }

  .header-inner {
    padding-left: 20px;
    padding-right: 20px;
    justify-content: space-between;
  }

  .header-logo {
    flex-shrink: 0;
  }

  .header-logo img {
    width: 110px;
  }

  .header-logo p {
    font-size: 24px;
  }

  .header-nav {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .nav-item a {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
  }

  .contact-btn {
    position: relative;
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    border-radius: 15px;
    font-size: 0;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  .contact-btn::before {
    content: "";
    width: 20px;
    height: 20px;
    background: url("mail.svg") center / contain no-repeat;
    display: block;
  }

  /* -------------------------
     FV
  ------------------------- */
  .fv {
    min-height: 820px;
    overflow: hidden;
  }

  .fv-inner {
    min-height: 820px;
  }

  .fv-copy {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    padding: 0 20px;
    text-align: center;
  }

  .fv-title img {
    width: 50%;
    max-width: 230px;
    min-width: 170px;
    margin: 0 auto;
  }

  .fv-title p {
    font-size: clamp(56px, 22vw, 92px);
  }

  .fv-subtitle {
    margin-top: 15px;
    font-size: 14px;
    line-height: 1;
  }

  .fv-lines--top-left {
    top: 12px;
    left: 0;
  }

  .fv-lines--top-left span:not(:first-child) {
    display: none;
  }

  .fv-lines--top-left span:first-child {
    display: block;
    width: 70px;
  }

  .fv-lines--bottom-right {
    right: 0;
    bottom: 12px;
    align-items: flex-end;
  }

  .fv-lines--bottom-right span:not(:last-child) {
    display: none;
  }

  .fv-lines--bottom-right span:last-child {
    display: block;
    width: 70px;
  }

  .fv-network {
    position: absolute;
    z-index: 1;
    pointer-events: none;
  }

  .fv-network img {
    display: block;
    width: 100%;
    height: auto;
  }

  .fv-network--left {
    width: 760px;
    left: -400px;
    bottom: -200px;
  }

  .fv-network--right {
    width: 760px;
    right: -400px;
    top: -200px;
  }

  /* -------------------------
     Profile
  ------------------------- */
  #profile {
    height: 900px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .profile-inner {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .profile-card {
    position: relative;
    width: 350px;
    height: 612px;
    min-height: 612px;
    padding: 0;
    border: 3px solid #111;
    border-radius: 30px;
    background: #fff;
    box-sizing: border-box;
    overflow: hidden;
  }

  .profile-title {
    position: absolute;
    top: 48px;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
  }

  .profile-demo-line {
    position: absolute;
    top: 123px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    padding: 64px 12px;
    font-size: 18px;
  }

  .profile-list {
    position: absolute;
    top: 123px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    border-top: 1px solid #111;
  }

  .profile-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 16px 12px;
    border-bottom: 1px solid #111;
    height: auto;
  }

  .profile-item dt {
    width: auto;
    text-align: left;
  }

  .profile-item dd {
    width: auto;
    text-align: left;
  }

  .label-ja,
  .value-ja {
    font-size: 13px;
    line-height: 1.6;
    color: #111;
  }

  .label-en,
  .value-en {
    font-size: 10px;
    line-height: 1.4;
    color: #444;
  }

  .split {
    gap: 6px;
    flex-wrap: nowrap;
  }

  /* -------------------------
     Contact
  ------------------------- */
  .contact-inner {
    min-height: 600px;
  }

  .contact-panel {
    width: 310px;
    height: 350px;
    min-height: 350px;
    border-width: 10px;
    border-radius: 0 100px;
    box-shadow: inset 0 0 0 3px #ffffff;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    padding: 0;
  }

  .contact-panel:hover {
    transform: none;
  }

  .contact-panel__text {
    position: relative;
    top: -10px;
    font-size: 32px;
    line-height: 1;
  }

  .contact-panel__icon {
    position: relative;
    top: -10px;
    width: 100px;
    height: 100px;
    border-radius: 20px;
  }

  .contact-panel__icon img {
    width: 56px;
    height: 56px;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}