@charset "UTF-8";

@import url("./reset.css");

/* rem基準: デザイン幅1540px → min(10px, calc(100vw / 1540 * 10)); SP時 calc(100vw / 390 * 10) */
:root {
  --color-bg-dark: #111;
  --color-bg-black: #000;
  --color-bg-red: #c03036;
  --color-bg-white: #fff;
  --color-text-white: #fff;
  --color-text-black: #000;
  --font-serif: "Noto Sans CJK JP", sans-serif;
}

/* Webフォント（ローカル）を読み込み */
@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 100;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Thin.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-ExtraLight.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Light.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Regular.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Medium.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-SemiBold.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Bold.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-ExtraBold.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Sans CJK JP";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("../fonts/Noto_Sans_JP/NotoSansJP-Black.ttf") format("truetype");
}

html {
  font-size: min(10px, calc(100vw / 1540 * 10), calc(100dvh / 982 * 10));
}

@media (max-width: 768px) {
  html {
    font-size: calc(100vw / 390 * 10);
  }
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* レスポンシブ用 */

@media (min-width: 769px) {
  .sp {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .pc {
    display: none !important;
  }
}

/* Block: intro (全体フレーム) */
.intro {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  background: var(--color-bg-white);
}

.intro::after {
  position: fixed;
  z-index: 10;
  top: -20vh;
  bottom: -20vh;
  left: 0;
  mix-blend-mode: luminosity;
  pointer-events: none;
  display: block;
  content: "";
  width: 100%;
  animation-name: all_bg;
  animation-duration: 10s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

@keyframes all_bg {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  100% {
    opacity: 0.4;
    transform: translateY(-10vw) scale(1.1);
  }
}

.l-loading {
  pointer-events: none;
  position: fixed;
  z-index: 99999;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--color-bg-white);
  animation: l-loading 1s cubic-bezier(0.59, 0.69, 0.54, 1);
  animation-delay: 5s;
  animation-fill-mode: both;
}

/* 下層からトップへ遷移時（html.-topEntryIntro7）：ローディングは出さない */
html.-topEntryIntro7 .l-loading {
  display: none !important;
  animation: none;
}

@keyframes l-loading {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  20% {
    opacity: 1;
  }

  80% {
    opacity: 0;
  }

  100% {
    opacity: 0;
    transform: scale(2);
    z-index: -1;
  }
}

.l-loading__logo {
  width: 20rem;
  opacity: 0;
  animation: fadeIn 1s 0.5s ease-in forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.l-loading__logoMark {
  --logoMark-w: 956;
  --logoMark-h: 652;
  /* 幅956 / 高さ652 */
  transform-origin: center calc(100% / var(--logoMark-h) * 274);
  animation: l-loading__logoMark 2s cubic-bezier(0.59, 0.69, 0.54, 1);
}

@keyframes l-loading__logoMark {
  0% {
    transform: rotate(calc(360deg * -6));
  }

  100% {
    transform: rotate(0deg);
  }
}

.l-loading__logoMark-left {
  animation: l-loading__logoMark-left cubic-bezier(0.59, 0.69, 0.54, 1) forwards;
  animation-duration: 1.5s;
  animation-delay: 1s;
  animation-fill-mode: backwards;
}

@keyframes l-loading__logoMark-left {
  0% {
    transform: translateX(calc(100% / var(--logoMark-w) * -50));
  }

  80% {
    transform: translateX(calc(100% / var(--logoMark-w) * -120));
  }

  100% {
    transform: translateX(0%);
  }
}

.l-loading__logoMark-right {
  animation: l-loading__logoMark-right cubic-bezier(0.59, 0.69, 0.54, 1) forwards;
  animation-duration: 1.5s;
  animation-delay: 1s;
  animation-fill-mode: backwards;
}

@keyframes l-loading__logoMark-right {
  0% {
    transform: translateX(calc(100% / var(--logoMark-w) * 50));
  }

  80% {
    transform: translateX(calc(100% / var(--logoMark-w) * 120));
  }

  100% {
    transform: translateX(0%);
  }
}

.l-loading__logoType path {
  animation: l-loading__logoType cubic-bezier(0.59, 0.69, 0.54, 1) forwards;
  animation-duration: 0.5s;
  animation-delay: 3s;
  animation-fill-mode: both;
}

@keyframes l-loading__logoType {
  0% {
    opacity: 0;
    transform: translateX(calc(100% / var(--logoMark-w) * -50));
  }

  100% {
    opacity: 1;
    transform: translateX(0%);
  }
}

.l-loading__logoType path {
  animation-delay: calc(3s + (0.06s * (var(--n, 0))));
}

.l-loading__logoType path:nth-of-type(1) {
  --n: 0;
}

.l-loading__logoType path:nth-of-type(2) {
  --n: 1;
}

.l-loading__logoType path:nth-of-type(3) {
  --n: 2;
}

.l-loading__logoType path:nth-of-type(4) {
  --n: 3;
}

.l-loading__logoType path:nth-of-type(5) {
  --n: 4;
}

.l-loading__logoType path:nth-of-type(6) {
  --n: 5;
}

.l-loading__logoType path:nth-of-type(7) {
  --n: 6;
}

.l-loading__logoType path:nth-of-type(8) {
  --n: 7;
}

.l-loading__logoType path:nth-of-type(9) {
  --n: 8;
}

.l-loading__logoType path:nth-of-type(10) {
  --n: 9;
}

.l-loading__logoType path:nth-of-type(11) {
  --n: 10;
}

.l-loading__logoType path:nth-of-type(12) {
  --n: 11;
}

.l-loading__logoType path:nth-of-type(13) {
  --n: 12;
}

.l-loading__logoType path:nth-of-type(14) {
  --n: 13;
}

.l-loading__logoType path:nth-of-type(15) {
  --n: 14;
}

.l-loading__logoType path:nth-of-type(16) {
  --n: 15;
}

/* パララックス: 負の animation-delay で進捗位置にキーフレームを合わせる
   --parallax-progress が 0〜100 のとき、delay = progress * -0.01s (duration 1s) で該当フレームを表示
   animation は paused + fill-mode: both で「止まった状態」を表示 */
.parallax-origin {
  --parallax-duration: 1;
}

.parallax-origin .parallax-item {
  animation-fill-mode: both;
  animation-timing-function: linear;
  animation-play-state: paused;
  animation-duration: calc(var(--parallax-duration) * 1s);
  animation-delay: calc(var(--parallax-progress, 0) * var(--parallax-duration) * -0.01s);
}

.parallax-shot {
  transition: 0.5s cubic-bezier(0.59, 0.69, 0.54, 1);
}

/* ==========================================================================
  セクション共通（.intro__section はレイアウトのみ）
========================================================================== */
.intro__section {
  position: relative;
  z-index: 5;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  min-height: 400vh;
  margin-top: -100dvh;
  padding-top: 100dvh;
  flex-shrink: 0;
  background: url("../images/common/bg_line1.svg") repeat-y, url("../images/common/bg_line2.svg") repeat-y, url("../images/common/bg_line3.svg") repeat-y;
  background-size: 100vw auto;
  background-position: top calc(-1px * var(--now-scroll-y) * 1.2) center, top calc(-1px * var(--now-scroll-y) * 0.8) center, top calc(-1px * var(--now-scroll-y) * 0.4) center;
  background-attachment: fixed;
}

.intro__section-bg {
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 0;
  bottom: -100%;
  animation-name: intro__section-bg;
}

@keyframes intro__section-bg {
  10% {
    opacity: 0;
    top: 100%;
  }

  30% {
    opacity: 1;
    top: 0;
  }
}

.intro__section-bg2 {
  opacity: 0.4;
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 0;
  bottom: -100%;
  animation-name: intro__section-bg2;
}

@keyframes intro__section-bg2 {
  0% {
    opacity: 0;
    top: 100%;
  }

  25% {
    opacity: 0.4;
    top: 0;
  }
}

.intro__section-bgArrow {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
  animation-name: intro__section-bgArrow;
}

.intro__section-bgArrow::before {
  display: block;
  content: "";
  aspect-ratio: 1512 / 390;
  width: 100%;
  background: url("../images/top/bg-connect_arrow.png") no-repeat;
  background-size: 100% auto;
  background-position: top center;
}

.intro__section-bgArrow::after {
  flex: 1;
  display: block;
  content: "";
  background: #fff;
  width: 100%;
  height: 100dvh;
}

@keyframes intro__section-bgArrow {
  0% {
    top: 0;
    opacity: 0;
    background-position: top center;
  }

  20% {
    top: -200vh;
    opacity: 1;
    background-position: bottom center;
  }
}

.intro__section-inner {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100dvh;
  padding-top: calc(var(--headerHeight, 8.9rem) / 4);
}

@media (max-width: 768px) {
  .intro__section-inner {
    padding-top: calc(var(--headerHeight, 4.8rem) / 2);
  }
}

.intro__section-inner.parallax-item {
  animation-name: intro__section-inner;
}

@keyframes intro__section-inner {
  0% {
    /* filter: blur(1rem); */
    opacity: 0;
    transform: scale(0.8) translateY(100dvh);
  }

  20% {
    /* filter: blur(1rem); */
    opacity: 0;
    transform: scale(0.9) translateY(40vh);
  }

  50% {
    filter: blur(0);
    opacity: 1;
    transform: scale(1);
  }

  90% {
    filter: blur(0);
    opacity: 1;
    transform: scale(1);
  }

  100% {
    /* filter: blur(1rem); */
    opacity: 0;
    transform: scale(1);
  }
}

.intro__textBox {
  --letterSpacing: 0.01em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8.9rem;
  animation-name: intro__textBox;
}

@media (max-width: 768px) {
  .intro__textBox {
    gap: 2.4rem;
  }
}

@keyframes intro__textBox {
  0% {
    letter-spacing: -1em;
  }

  25% {
    letter-spacing: var(--letterSpacing);
  }

  30% {
    letter-spacing: var(--letterSpacing);
  }

  100% {
    /* letter-spacing: 1em; */
  }
}

.intro__textBox .intro__head {
  transition: 1s ease opacity, 1s ease transform;
  opacity: 0;
  transform: translateY(5em);
}

.intro__textBox.--fire .intro__head {
  opacity: 1;
  transform: translateY(0);
}

.intro__textBox .intro__body {
  transition: 1s ease opacity, 1s ease transform;
  transition-delay: 0.75s;
  opacity: 0;
  transform: translateY(5em);
}

.intro__textBox.--fire .intro__body {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   ヘッダー（上部固定）
   ========================================================================== */
.p-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 3.9rem 4.2rem;
}

@media (max-width: 768px) {
  .p-header {
    padding: 1.2rem 0 0 1.6rem;
  }
}

.p-header__logo {
  display: inline-block;
  width: 6.6rem;
}

@media (max-width: 768px) {
  .p-header__logo {
    display: inline-block;
    width: 4.8rem;
  }
}

/* ==========================================================================
   intro-1: 黒背景（メインコピー）
   ========================================================================== */
.intro-1 {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.intro-1__bg {
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 0;
  bottom: -100%;
  /* background: var(--color-bg-white); */
}

.intro-1 .intro-1_inner {
  animation-name: intro-1__inner;
}

@keyframes intro-1__inner {
  50% {
    filter: blur(0);
    opacity: 1;
    transform: scale(1);
  }

  90% {
    filter: blur(0);
    opacity: 1;
    transform: scale(1);
  }

  100% {
    /* filter: blur(1rem); */
    opacity: 0;
    transform: scale(1);
  }
}

.intro-1__textBox {
  animation-name: intro-1__heading-wrap;
  animation-duration: 1s;
  animation-delay: 5s;
  animation-timing-function: ease-out;
}

@keyframes intro-1__heading-wrap {
  0% {
    opacity: 0;
    transform: scale(5);
    filter: blur(2rem);
  }

  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

.intro-1__heading-wrap {
  margin: 0;
  text-align: center;
}

.intro-1__heading {
  position: relative;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 0;
  letter-spacing: 0.6rem;
  text-align: center;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-1__heading {
    letter-spacing: 0.3rem;
  }
}

.intro-1__heading-main {
  font-size: 4.6rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-1__heading-main {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-1__heading-sub {
  font-size: 3rem;
  letter-spacing: 0.45rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-1__heading-sub {
    font-size: 1.8rem;
  }
}

.intro-1__body-wrap {
  text-align: center;
}

.intro-1__body {
  position: relative;
  top: 0;
  left: auto;
  transform: none;
  display: inline-block;
  width: auto;
  margin: 0;
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  white-space: nowrap;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-1__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-1__body p {
  margin: 0 0 1em 0;
}

.intro-1__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .intro-1__body {
    white-space: normal;
  }
}

.intro-1__scroll {
  pointer-events: none;
  position: absolute;
  bottom: 3rem;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  margin-top: 4rem;
  opacity: 0;
  transform: translateY(1rem);
  animation: intro-1__scroll-in 1s cubic-bezier(0.59, 0.69, 0.54, 1) 7s forwards;
}

@keyframes intro-1__scroll-in {
  0% {
    opacity: 0;
    transform: translateY(50%);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.intro-1__scroll-text {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.8rem;
  line-height: normal;
  letter-spacing: 0.9rem;
  text-align: center;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-1__scroll-text {
    font-size: 1.4rem;
  }
}

.intro-1__scroll-arrow {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 5.6rem;
  flex-shrink: 0;
  animation: intro-1__scroll-arrow-fade 1.8s ease-in-out 7s infinite;
}

@media (max-width: 768px) {
  .intro-1__scroll-arrow {
    height: 3.2rem;
  }
}

@keyframes intro-1__scroll-arrow-fade {
  0% {
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  55% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

/* 棒部分（0から伸びるアニメーション・ループ） */
.intro-1__scroll-arrow-line {
  display: block;
  width: 0.2rem;
  background: var(--color-text-black);
  flex-shrink: 0;
  transform-origin: top center;
  animation: intro-1__scroll-arrow-line 1.8s ease-in-out 7s infinite;
}

@keyframes intro-1__scroll-arrow-line {
  0% {
    flex: 0;
  }

  55% {
    flex: auto;
  }

  100% {
    flex: auto;
  }
}

.intro-1__scroll-arrow-triangle {
  display: block;
  width: 0.9rem;
  flex-shrink: 0;
  object-fit: contain;
}

@media (max-width: 768px) {
  .intro-1__scroll-arrow-triangle {
    width: 0.6rem;
  }
}

/* ==========================================================================
   intro-2: 黒背景（見出し＋本文）
   ========================================================================== */
.intro-2 {
  color: var(--color-text-black);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9.1rem;
  padding: 3rem 6.4rem 0;
}

@media (max-width: 768px) {
  .intro-2 {
    gap: 2.4rem;
    padding: 1.2rem 0 0 1.6rem;
  }
}

.intro-2__inner {
  gap: 9.1rem;
}

.intro-2__bg {
  /* background: var(--color-bg-white); */
}

.intro-2__bg2 {
  opacity: 0.4;
  /* background: var(--color-bg-white); */
}

.intro-2__heading-wrap {
  text-align: center;
}

.intro-2__heading {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 0;
  text-align: center;
  color: var(--color-text-black);
}

.intro-2__heading-main {
  font-size: 4.6rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-2__heading-main {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-2__heading-sub {
  font-size: 3rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-2__heading-sub {
    font-size: 1.8rem;
  }
}

.intro-2__body-wrap {
  text-align: center;
}

.intro-2__body {
  position: relative;
  top: 0;
  left: auto;
  transform: none;
  display: inline-block;
  width: auto;
  margin: 0;
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  white-space: nowrap;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-2__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-2__body p {
  margin: 0 0 1em 0;
}

.intro-2__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .intro-2__body {
    white-space: normal;
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: 35rem;
  }
}

/* ==========================================================================
   intro-3: 赤背景（見出し＋本文）
   ========================================================================== */
.intro-3 {
  color: var(--color-text-black);
  text-align: center;
}

.intro-3__bg {
  /* background: var(--color-bg-white); */
}

.intro-3__bg2 {
  opacity: 0.4;
  /* background: var(--color-bg-white); */
}

.intro-3__heading-wrap {
  text-align: center;
}

.intro-3__inner {
  gap: 5.2rem;
}

@media (max-width: 768px) {
  .intro-3__inner {
    gap: 2.4rem;
  }
}

.intro-3__heading {
  position: relative;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 8rem;
  font-size: 4.6rem;
  text-align: center;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-3__heading {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-3__body-wrap {
  width: 100%;
  text-align: center;
}

.intro-3__body {
  position: relative;
  top: 0;
  left: auto;
  transform: none;
  display: inline-block;
  width: auto;
  margin: 0;
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  white-space: nowrap;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-3__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-3__body p {
  margin: 0 0 1em 0;
}

.intro-3__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .intro-3__body {
    white-space: normal;
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: 35rem;
  }
}

/* ==========================================================================
   intro-4: 白背景（フェーズ見出し＋左寄せ本文）
   ========================================================================== */
.intro-4 {
  position: relative;
  color: var(--color-text-black);
}

.intro-4__bg {
  background: var(--color-bg-white);
}

.intro-4__bg2 {
  opacity: 0.4;
  background: var(--color-bg-white);
}

.intro-4__inner {
  gap: 5.2rem;
}

@media (max-width: 768px) {
  .intro-4__inner {
    gap: 2.4rem;
  }
}

.intro-4__heading-wrap {
  text-align: center;
}

.intro-4__heading {
  position: relative;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: calc(80 / 46);
  text-align: center;
  color: var(--color-text-black);
}

.intro-4__heading-main {
  font-size: 4.6rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-4__heading-main {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-4__heading-sub {
  font-size: 3rem;
  letter-spacing: 0.45rem;
  line-height: normal;
}

@media (max-width: 768px) {
  .intro-4__heading-sub {
    font-size: 1.8rem;
    line-height: 160%;
  }
}

.intro-4__body {
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-4__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-4__list {
  list-style: none;
  padding-left: 1em;
}

.intro-4__list-item::before {
  content: "・";
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

@media (max-width: 768px) {
  .intro-4__list {
    line-height: 160%;
  }
}

.intro-4__body p {
  margin: calc(1em / 22 * 44) 0 1em 0;
}

@media (max-width: 768px) {
  .intro-4__body p {
    text-align: center;
  }
}

.intro-4__link {
  transition: inherit;
  text-decoration: underline;
  text-decoration-skip-ink: none;
}

@media (max-width: 768px) {
  .intro-4__body {
    padding: 0 3.2rem;
  }
}

/* ==========================================================================
   intro-6: 白背景（見出し＋中央本文）
   ========================================================================== */
.intro-6 {
  color: var(--color-text-black);
  text-align: center;
}

.intro-6__heading-wrap {
  text-align: center;
}

.intro-6__heading {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: calc(80 / 46);
  font-size: 4.6rem;
  text-align: center;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-6__heading {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-6__body-wrap {
  width: 100%;
  text-align: center;
}

.intro-6__body {
  position: relative;
  top: 0;
  left: auto;
  transform: none;
  display: inline-block;
  width: auto;
  margin: 0;
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  white-space: nowrap;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-6__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-6__body p {
  margin: 0 0 1em 0;
}

.intro-6__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .intro-6__body {
    white-space: normal;
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: 35rem;
  }
}

/* ==========================================================================
   intro-7: 白背景 INDEX（見出し＋ラベル＋ボックス＋本文＋フッター）
   ========================================================================== */
.intro-7 {
  color: var(--color-text-black);
  height: 200vh;
  min-height: 200vh;
}

.intro-7__inner {
  gap: 0;
  min-height: auto;
  height: auto;
  flex: auto;
}

.intro-7 .intro__textBox {
  gap: 4.2rem;
  margin: auto 0;
}

@media (max-width: 768px) {
  .intro-7 .intro__textBox {
    gap: 2.4rem;
  }
}

.intro-7__heading-wrap {
  margin: 0;
  text-align: center;
}

.intro-7__heading {
  transition: 1s ease-out opacity, 1s ease-out transform;
  opacity: 0;
  transform: translateY(5em);
  position: relative;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 0;
  text-align: center;
  color: var(--color-text-black);
}

.intro__textBox.--fire .intro-7__heading {
  opacity: 1;
  transform: translateY(0);
}

.intro-7__heading-main,
.intro-7__heading-sub {
  line-height: calc(80 / 46);
}

.intro-7__heading-main {
  font-size: 4.6rem;
}

@media (max-width: 768px) {
  .intro-7__heading-main {
    font-size: 2.2rem;
    line-height: 160%;
  }
}

.intro-7__heading-sub {
  font-size: 3rem;
  letter-spacing: 0.45rem;
}

@media (max-width: 768px) {
  .intro-7__heading-sub {
    font-size: 1.8rem;
    line-height: 160%;
  }
}

.intro-7__label-wrap {
  transition: 1s ease-out opacity, 1s ease-out transform;
  transition-delay: 0.5s;
  opacity: 0;
  transform: translateY(5em);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24.1rem;
  height: 8.9rem;
  border: 0.1rem solid var(--color-text-black);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .intro-7__label-wrap {
    width: 16rem;
    height: 5.6rem;
  }
}

.intro__textBox.--fire .intro-7__label-wrap {
  opacity: 1;
  transform: translateY(0);
}

.intro-7__label {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  margin: 0;
  font-size: 2.4rem;
  line-height: 1;
  text-align: center;
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-7__label {
    font-size: 1.4rem;
    line-height: 160%;
  }
}

.intro-7__box {
  position: absolute;
  left: 63.5rem;
  top: 42.8rem;
  width: 24.1rem;
  height: 8.9rem;
  border: 0.1rem solid var(--color-text-black);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .intro-7__box {
    left: 50%;
    transform: translateX(-50%);
  }
}

.intro-7__body {
  margin: 0;
  font-size: 2.2rem;
  line-height: calc(44 / 22);
  color: var(--color-text-black);
}

@media (max-width: 768px) {
  .intro-7__body {
    font-size: 1.4rem;
    line-height: 220%;
  }
}

.intro-7__list {
  list-style: none;
  padding-left: 1em;
}

.intro-7__list-item::before {
  content: "・";
  display: inline-block;
  line-height: 160%;
  width: 1em;
  margin-left: -1em;
}

.intro-7__body {
  transition: 1s ease-out opacity, 1s ease-out transform;
  transition-delay: 1s;
  opacity: 0;
  transform: translateY(5em);
}

.intro__textBox.--fire .intro-7__body {
  opacity: 1;
  transform: translateY(0);
}

.intro-7__body p+p {
  margin-top: 0;
}

.intro-7__line-wrap {
  width: 0;
  height: 10.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-7__footer {
  transform: translateY(100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  margin: 0;
  padding: 0;
  font-size: 1.6rem;
  line-height: 8rem;
  letter-spacing: 0.08rem;
  text-align: center;
  color: var(--color-text-black);
  background: #fff;
}

@media (max-width: 768px) {
  .intro-7__footer {
    font-size: 1.2rem;
    line-height: 1.6;
    letter-spacing: 0;
    /* border-bottom: 0.1rem solid var(--color-text-black); */
  }
}

.intro-7__footer.--fire {
  transform: translateY(0);
}

.intro-7__footer-lineTop {
  transition-duration: 1s;
  transform-origin: center right;
  transform: scaleX(0);
  width: 100%;
  height: 0.1rem;
  background: #000;
}

.intro-7__footer-lineTop.--fire {
  transform: scaleX(1);
}

.intro-7__footer-inner {
  display: flex;
  width: 100%;
}

.intro-7__footer-link {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  font-weight: 400;
  color: inherit;
  text-decoration: none;
  padding: 1.3rem 0 1.5rem;
}

.intro-7__line {
  width: 0.1rem;
}

.intro-7__line::before {
  transition: 1s ease-out;
  transition-delay: 0.2s;
  transform-origin: center bottom;
  transform: scaleY(0);
  display: block;
  content: "";
  width: 100%;
  height: 100%;
  background: #000;
}

.intro-7__line.--fire::before {
  transform: scaleY(1);
}

@media (max-width: 768px) {
  .intro-7__body {
    padding-left: 2rem;
    padding-right: 2rem;
    max-width: 35rem;
  }

  .intro-7__box {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* add Hashimoto */

.intro-7__footer br {
  display: none;
}

@media (max-width: 768px) {
  .intro-7__footer br {
    display: block;
  }
}

.intro-4__list-item span {
  text-decoration: underline;
}