@charset "utf-8";

:root {
  --font-en: "gotham", sans-serif;
  --font-jp: "Noto Sans JP", sans-serif;

  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semi-bold: 600;
  --weight-bold: 700;

  --bg-main: #f9f9f7;
  --inverted-bg-main: #060608;
  --bg-sub: #eceae6;
  --bg-element: #d1cdc7;
  --bg-extra: #f1f0ed;

  --text-main: #2d2e30;
  --inverted-text-main: #d2d1cf;
  --text-heading: #4a3f35;
  --inverted-text-heading: #b5c0ca;
  --text-muted: #8c867e;

  --accent-heading: #9e6d51;
  --inverted-accent-heading: #51829e;
  
  --white: #ffffff;

  --header-height: 97px;

  --border-website-mock: rgba(209,205,199,0.8);
  --border-banner-mock: rgba(140, 134, 126, 0.6);
  --border-other-works: rgba(140, 134, 126, 0.5);
  --shadow-website-mock: rgba(74,63,53,0.08);
  --shadow-banner-mock: rgba(74, 63, 53, 0.1);
  --shadow-coding-card: rgba(74, 63, 53, 0.06);
  --shadow-design-card: rgba(74, 63, 53, 0.07);
  --shadow-color-palette: rgba(45, 46, 48,0.2);
  --shadow-layout-overview: rgba(74, 63, 53, 0.15);
  --overlay-other-work: rgba(74, 63, 53, 0.8);
  --overlay-about: rgba(236, 234, 230, 0.1);
}

html {
  font-size: 100%;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-main);
  font-size: 0.875rem;
  font-family: var(--font-jp);
  font-weight: var(--weight-regular);
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

main {
  overflow-x: clip;
}


/* 画像角丸 */
.img-container {
  border-radius: 40px;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .img-container {
    border-radius: 32px;
  }
}

@media (max-width: 560px) {
  .img-container {
    border-radius: 24px;
  }
}

@media (max-width: 375px) {
  .img-container {
    border-radius: 16px;
  }
}



/* セクション幅 */
.inner-section {
  display: block;
  width: 80%;
  max-width: 1152px;
  margin-inline: auto;
}

@media (max-width: 1024px) {
  .inner-section {
    width: 85%;
  }
}

@media (max-width: 560px) {
  .inner-section {
    width: 100%;
    padding-inline: 32px;
    margin-inline: 0;
  }
}

@media (max-width: 440px) {
  .inner-section {
    padding-inline: 20px;
  }
}

.u-uppercase {
  text-transform: uppercase !important;
  font-family: var(--font-en);
  line-height: 1.2;
}



/* ヘッダー */
.site-header {
  width: 100%;
  padding: 1.59375rem 0;
  position: fixed;
  background-color: transparent;
  z-index: 10000;
  mix-blend-mode: difference;
}

@media (max-width: 1024px) {
  .site-header {
    padding: 1rem 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0.5rem 0;
  }
}

.header-wrapper {
  width: calc(80% + 20px);
  max-width: 1172px;
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 1024px) {
  .header-wrapper {
    width: 100%;
    padding-inline: 40px;
    margin-inline: 0;
  }
}

@media (max-width: 798px) {
  .header-wrapper {
    padding-inline: 32px;
  }
}

@media (max-width: 560px) {
  .header-wrapper {
    padding-inline: 20px;
  }
}


.logo {
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  color: var(--white);
}

.logo a {
  padding: 16px 10px;
}

.accent-logo {
  color: var(--inverted-accent-heading);
}

.hamburger-btn {
  display: none;
}

.header-nav-pc .nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  font-size: 0.75rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  color: var(--white);
}

.nav-list .nav-item a {
  position: relative;
  padding: 16px 10px;
}

.nav-list .nav-item a::before {
  content: url('../img/paw.svg');
  width: 20px;
  height: 20px;
  position: absolute;
  top: -4px;
  right: -4px;
  transform: scale(0);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-list .nav-item a:hover::before {
  transform: scale(0.6);
  opacity: 1;
}

.header-nav-sp {
  display: none;
}


@media (max-width: 1024px) {
  .header-nav-pc {
    display: none;
  }

  .hamburger-btn {
    display: block;
    position: relative;
    width: 44px;
    height: 44px;
    z-index: 10001;
    cursor: pointer;
    transition: all 0.4s;
  }

  .hamburger-btn span {
    display: block;
    position: absolute;
    left: 6px;
    top: 50%;
    width: 32px;
    height: 2px;
    background: var(--inverted-text-heading);
    transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
  }

  .hamburger-btn span:nth-child(1) {
    transform: translateY(-11px);
  }

  .hamburger-btn span:nth-child(2) {
    opacity: 1;
  }

  .hamburger-btn span:nth-child(3) {
    transform: translateY(11px);
  }

  .hamburger-btn.is-active span:nth-child(1) {
    transform: rotate(45deg);
  }

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

  .hamburger-btn.is-active span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .header-nav-sp {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    padding: 64px 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh;
    background: var(--bg-main);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.5s ease, visibility 0.5s;
    z-index: 9999;
  }

  .header-nav-sp.is-active {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-list-sp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    font-size: 1.25rem;
    font-weight: var(--weight-regular);
    letter-spacing: 0.04em;
    color: var(--text-heading);
  }

  .nav-list-sp .nav-item a {
    padding: 10px 20px;
  }
}


/* セクションタイトル関係 */
.section-title {
  font-family: var(--font-en);
  font-size: 5.25rem;
  letter-spacing: 0.03em;
  color: var(--text-heading);
  margin-bottom: 72px;
  margin-left: -0.3rem;
  overflow-wrap: normal;
}

@media (max-width: 1024px) {
  .section-title {
    font-size: clamp(4.25rem, 3.043rem + 3.448vw, 5.25rem);
    margin-bottom: 56px;
  }
}

@media (max-width: 798px) {
  .section-title {
    margin-left: -0.2rem;
  }
}

@media (max-width: 560px) {
  .section-title {
    font-size: clamp(3.5rem, 1.980rem + 6.486vw, 4.25rem);
  }
}

@media (max-width: 440px) {
  .section-title {
    margin-bottom: 40px;
    margin-left: -0.1rem;
  }
}

/* 大見出しのアニメーション */
.js-fade-blur {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(15px);
  transition: 
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.js-fade-blur.is-active {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.section-subtitle {
  font-family: var(--font-en);
  font-size: clamp(2rem, 1.172rem + 1.66vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  text-transform: capitalize;
}

@media (max-width: 798px) {
  .section-subtitle {
    font-size: clamp(1.75rem, 1.528rem + 0.946vw, 2rem);
  }
}

.section-subtitle-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.subh-decoration {
  width: 3px;
  height: 1.75rem;
  border-radius: 3px;
  background-color: var(--text-muted);
}

@media (max-width: 1024px) {
  .subh-decoration {
    height: 1.5rem;
  }
}

@media (max-width: 560px) {
  .subh-decoration {
    height: 1.4rem;
  }
}

.subh-decoration.color-text-heading {
  background-color: var(--text-heading);
}

.section-subtitle.color-text-heading {
  color: var(--text-heading);
}

.jp-sub-heading {
  line-height: 1.2;
  color: var(--text-heading);
}



.u-mb-large {
  margin-bottom: 96px;
}

@media (max-width: 1024px) {
  .u-mb-large {
    margin-bottom: 72px;
  }
}

@media (max-width: 798px) {
  .u-mb-large {
    margin-bottom: 64px;
  }
}

@media (max-width: 560px) {
  .u-mb-large {
    margin-bottom: 56px;
  }
}



/* ボタン関係 */
.btn-wrapper {
  position: relative;
  overflow: hidden;
  display: inline-block;
  border: 2px solid var(--accent-heading);
  border-radius: 24px;
  box-shadow: 0 5px 15px var(--shadow-coding-card);
  transition: all 0.3s ease;
}

@media (max-width: 1024px) {
  .btn-wrapper {
    background-color: var(--text-heading);
    border: 2px solid var(--text-heading);
  }
}

@media (max-width: 560px) {
  .btn-wrapper {
    border-radius: 20px;
    margin-inline: auto;
  }
}

.btn-wrapper::before {
  content: url('../img/paw.svg');
  width: 28px;
  height: 28px;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%) scale(0);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@media (max-width: 1024px) {
  .btn-wrapper::before {
    transform: translateY(-50%) scale(0.7);
    opacity: 1;
  }
}

.btn-wrapper:hover {
  background-color: var(--text-heading);
  border: 2px solid var(--text-heading);
}

.btn-wrapper:hover::before {
  transform: translateY(-50%) scale(0.7);
  opacity: 1;
}

.btn {
  padding: 1.25rem 3.5rem;
  font-family: var(--font-en);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--accent-heading);
}

@media (max-width: 1024px) {
  .btn {
    color: var(--white);
  }
}

@media (max-width: 560px) {
  .btn {
    padding: 1rem 3.25rem;
  }
}

.btn-wrapper:hover .btn {
  color: var(--white);
}

.accent-color {
  color: var(--accent-heading);
}


/* 足跡 */
.p-paw-transition {
  position: relative;
  width: 124px;
  margin-inline: auto;
  height: 182px;
  margin-top: 120px;
  margin-bottom: -20px;
  z-index: 10;
  pointer-events: none;
}

@media (max-width: 798px) {
  .p-paw-transition {
    margin-top: 100px
  }
}

@media (max-width: 375px) {
  .p-paw-transition {
    margin-top: 80px;
  }
}

/* 足跡共通設定 */
.connect-paw {
  position: absolute;
  width: 24px;
  height: 24px;
  background: url('../img/section-paw.svg') no-repeat center / contain;
  opacity: 0;
  /* 角度を変数 --r で受け取る（デフォルト0度） */
  rotate: var(--r, 0deg);
  transform: scale(0.5);
  transition:
    opacity 0.3s ease-out,
    transform 0.3s ease-out;
}


/* 2歩目を「右端」にするための計算 
  2歩目の左端の位置 = 100% - 24px (自身の幅)
*/
.paw-2 {
  top: 104px;
  left: calc(100% - 24px);
}

.paw-1 {
  top: 0;
  left: calc(100% - 24px - 8px);
}

.paw-3 {
  top: 152px; /* 104px + 24px */
  left: calc(100% - 24px - 96px);
}

.p-paw-transition.is-reversed {
  margin-top: 24px;
  margin-bottom: 0;
}

/* 2歩目が左端（left: 0）に来るパターン */
.is-reversed .paw-2 {
  top: 104px;
  left: 0;
}

.is-reversed .paw-1 {
  top: 0;
  left: 8px;
}

.is-reversed .paw-3 {
  top: 152px;
  left: 96px;
}


/* 角度だけを個別に指定する（rotateプロパティを直接使わず変数に入れる） */
.paw-1 {
  --r: 175deg;
  top: 0;
  left: calc(100% - 24px - 8px);
}

.paw-2 {
  --r: -175deg;
  top: 104px;
  left: calc(100% - 24px);
}

.paw-3 {
  --r: 175deg;
  top: 152px;
  left: calc(100% - 24px - 96px);
}

/* 反転バージョンの角度 */
.is-reversed .paw-1 {
  --r: 135deg;
  left: 8px;
}

.is-reversed .paw-2 {
  --r: 145deg;
  left: 0;
}

.is-reversed .paw-3 {
  --r: 135deg;
  left: 96px;
}


.p-paw-transition.is-active .connect-paw {
  opacity: 1;
  transform: scale(1);
}

/* 時間差でトコトコ出す設定 */
.is-active .paw-1 {
  transition-delay: 0.2s;
}

.is-active .paw-2 {
  transition-delay: 0.5s;
}

.is-active .paw-3 {
  transition-delay: 0.8s;
}


/* フッターのthanksセクション */
.thanks {
  padding-top: 100px;
}

.end-roll-container {
  width: 100%;
  overflow: hidden;
  background: transparent;
  margin-bottom: 80px;
}

@media (max-width: 1024px) {
  .end-roll-container {
    margin-bottom: 64px;
  }
}

@media (max-width: 560px) {
  .end-roll-container {
    margin-bottom: 48px;
  }
}

.end-roll-inner {
  display: flex;
  gap: 3rem;
  width: max-content;
  flex-wrap: nowrap;
  will-change: transform;
  backface-visibility: hidden;
  perspective: 1000;
}

.end-roll {
  display: flex;
  align-items: center;
  gap: 3rem;
}

@media (max-width: 1024px) {
  .end-roll-inner,
  .end-roll {
    gap: 2.5rem;
  }
}

@media (max-width: 560px) {
  .end-roll-inner,
  .end-roll {
    gap: 1.75rem;
  }
}

.message-title {
  font-family: var(--font-en);
  font-size: 8rem;
  letter-spacing: 0.04em;
  -webkit-text-stroke-width: 2px;
  -webkit-text-stroke-color: var(--bg-element);
  color: transparent;
  text-rendering: optimizeSpeed; /* テキストのレンダリングを「速度優先」にする */
}

@media (max-width: 1024px) {
  .message-title {
    font-size: clamp(6rem, 4.190rem + 5.172vw, 7.5rem);
  }
}

@media (max-width: 560px) {
  .message-title {
    font-size: clamp(5.5rem, 4.486rem + 4.324vw, 6rem);
  }
}

.message-decoration {
  width: 4.5rem;
  height: 4.5rem;
}

@media (max-width: 1024px) {
  .message-decoration {
    width: 4rem;
    height: 4rem;
  }
}

@media (max-width: 798px) {
  .message-decoration {
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (max-width: 560px) {
  .message-decoration {
    width: 2.5rem;
    height: 2.5rem;
  }
}

.thanks-message-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  text-align: center;
  margin-bottom: 56px;
}

@media (max-width: 798px) {
  .thanks-message-container {
    margin-bottom: 40px;
    padding-inline: 20px;
  }
}

@media (max-width: 560px) {
  .thanks-message-container {
    gap: 0.875rem;
  }
}

.thanks-message-title {
  font-size: 1.5rem;
  letter-spacing: 0.1em;
}

.thanks-message-title br {
  display: none;
}

@media (max-width: 560px) {
  .thanks-message-title {
    font-size: 1.25rem;
    line-height: 1.5;
  }

  .thanks-message-title br {
    display: block;
  }

  .thanks-message {
    font-size: 0.75rem;
    line-height: 1.6;
    width: 80%;
  }

  .thanks-message br {
    display: none;
  }

  .punctuation-mark {
    display: none;
  }
}

@media (max-width: 375px) {
  .thanks-message {
    width: 95%;
  }
}

.footer-mail-address {
  text-align: center;
  margin-bottom: 16px;
  padding-inline: 20px;
}

.footer-decoration {
  width: 50%;
}

.footer-end {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.copyright {
  transform: translate(64px, -16px);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}


@media (max-width: 1024px) {
  .copyright {
    transform: translate(48px, -16px);
  }
}

@media (max-width: 798px) {
  .copyright {
    transform: translate(32px, -16px);
  }
}

@media (max-width: 560px) {
  .copyright {
    transform: translate(20px, -10px);
  }
}



/* .website-cardのアニメーション */
.js-fade-up {
  opacity: 0;
  transform: translateY(15px);
  transition:
    opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.js-fade-up.is-active {
  opacity: 1;
  transform: translateY(0);
}




/* tool-cardのアニメーション */
.js-fade-scale {
  opacity: 0;
  transform: scale(0.97);
  transition: 
    opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 画面内に入ったとき */
.js-fade-scale.is-active {
  opacity: 1;
  transform: scale(1);
}

.tools-container>div:nth-of-type(1) {
  transition-delay: 0s;
}

.tools-container>div:nth-of-type(2) {
  transition-delay: 0.15s;
}

.tools-container>div:nth-of-type(3) {
  transition-delay: 0.3s;
}

.tools-container>div:nth-of-type(4) {
  transition-delay: 0.45s;
}