@charset "UTF-8"; 
/* ===================================
   Reset & Base
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto Mono', 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    font-weight: 700;
    color: #585858;
    background-color: #f1ede7;
    display: block;
}

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

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

ul {
    list-style: none;
}

::selection {
  background: #C6D61A; /* ← 好きな色に変更OK */
  color: #585858;         /* 選択された文字色 */
}

/* Safari対応 */
::-moz-selection {
  background: #C6D61A;
  color: #585858;
}
/* ===================================
   nav
=================================== */
.nav {
  opacity: 0;
  pointer-events: none;
  display: flex;
  transition: opacity .6s cubic-bezier(.25,.8,.25,1);
  position: fixed;
  width: 100%;
  height: 100vh;
  gap: 10vw;
  justify-content: flex-end;
  align-items: center;
  background: rgba(241, 237, 231, 0.90);
  z-index: 10;
}

.nav.is-active {
  opacity: 1;
  pointer-events: auto;
}
.nav__btn {
  width: 3vw;
  position: fixed;
  right: 4%;
  top: 5%;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transform: rotate(0deg);
  transition: opacity .6s ease, transform .6s cubic-bezier(.25,.8,.25,1);
}
/* nav が開いたら回転 */
.nav__btn.is-rotate {
  transform: rotate(180deg);
}

.nav__btn.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.nav__title p {
  font-size: 5rem;
  font-weight: 700;
}
.nav__list {
  display: flex;
  height: 100vh;
  padding: 2.6vw 5vw;
  flex-direction: column;
  gap: 1vw;
  justify-content: center;
  position: relative;
}

.nav__item {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 1vw 4vw;
}
.nav__text {
  font-size: 2rem;
  line-height: 3vw;
  white-space: nowrap;
}
.nav__line {
  width: 12vw;
  fill: #585858;
}

.nav__line svg {
  width: 100%;
  height: auto;
}

/* 線 */
.nav__line .line {
  transform-origin: right center;
  transform: scaleX(1);
  transition: transform 0.6s cubic-bezier(.25,.8,.25,1);
}

/* 丸は固定（何もしない） */
.nav__line .dot {
  transform: unset;
}

/* ホバー時 */
.nav__item.is-open .nav__line .line {
  transform: scaleX(0);
}
/* ===== アコーディオン ===== */
.nav__item a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-6px);
  transition:
    max-height 0.5s ease,
    opacity 0.3s ease,
    transform 0.3s ease;
  text-decoration: none;
  font-size: 1.4rem;
  line-height: 3vw;
  z-index: 4;
}

.nav__item a:hover {
    transition: ease-in-out .3s;
    color: #d6863c;
}

/* 展開時 */
.nav__item.is-open a {
  max-height: 5vw; /* 行数に応じて調整 */
  opacity: 1;
  transform: translateY(0);
}
.nav__item-home {
  display: flex;
  align-items: flex-start;
  flex-direction: row;
  justify-content: space-between;
  position: relative;
  padding: 1vw 4vw;
}
.nav__text-home {
  font-size: 2rem;
  white-space: nowrap;
}

.nav__text-home a:hover {
    transition: ease-in-out .3s;
    color: #d6863c;
}
/* ===================================
Home Container
=================================== */
.home {
  background-color: #f1ede7;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 0 5vw;
}

.indexbg {
  background-image: url(../images/index/indexbackground.png);
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
}
.indexbg-img {
  background-color: rgba(241, 237, 231, 0.9);
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
}
/* ===================================
First View (FV)
=================================== */
.fv {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.fv__content {
  display: flex;
  width: 100%;
  justify-content: center;
  gap: 7vw;
}

/* ===================================
Title
=================================== */
.title {
  display: flex;
  position: relative;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 35vw;
}

.title__vector {
  position: absolute;
  width: 40vw;
}

.title__inner {
  display: flex;
  flex-direction: column;
  gap: 2vw;
}

.title__maintitle {
  font-size: 4.4vw;
  color: #c6d61a;
  z-index: 1;
}

.title__subtitle {
  font-size: 1.8rem;
  font-weight: 400;
  color: #c6d61a;
  z-index: 1;
}

.marker-line {
  position: relative;
  opacity: 0;
  animation: textFadeIn 0.8s ease forwards;
}
.marker-line::before {
  content: "";
  position: absolute;
  left: -0.08em;
  bottom: 0em;
  width: 105%;
  height: 1.3em;
  background: #585858;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: left;
  animation: markerDraw 0.6s ease forwards;
}
@keyframes textFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes markerDraw {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.marker-line:nth-of-type(1) {
  animation-delay: 0.2s;
}
.marker-line:nth-of-type(1)::before {
  animation-delay: 0.5s;
}
.marker-line:nth-of-type(2) {
  animation-delay: 0.6s;
}
.marker-line:nth-of-type(2)::before {
  animation-delay: 0.9s;
}
.marker-line:nth-of-type(3) {
  animation-delay: 1.3s;
}
.marker-line:nth-of-type(3)::before {
  animation-delay: 1.6s;
}
.marker-line:nth-of-type(4) {
  animation-delay: 1.7s;
}
.marker-line:nth-of-type(4)::before {
  animation-delay: 2s;
}
.marker-line:nth-of-type(5) {
  animation-delay: 2.1s;
}
.marker-line:nth-of-type(5)::before {
  animation-delay: 2.4s;
}
/* ===================================
content
=================================== */
.content {
  display: flex;
  align-items: center;
  padding: 6vw 0;
}

.content__list {
  display: flex;
  flex-direction: column;
  gap: 1vw;
}

.content__item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 1vw 4vw;
}

/* タイトル行 */
.content__text {
  font-size: 2.3rem;
  line-height: 2.5vw;
  cursor: pointer;
}
.content__line {
  transform: translateY(-50%);
  width: 12vw;
}
.content__line svg {
  width: 100%;
  height: auto;
}

/* 線 */
.content__line .line {
  transform-origin: right center;
  transform: scaleX(1.1);
  transition: transform 0.6s cubic-bezier(.25,.8,.25,1);
}
.content__line .dot {
  transform: unset;
}
.content__item.is-open .content__line .line {
  transform: scaleX(0);
}

/* ===== アコーディオン ===== */
.content__item a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-6px);
  transition: max-height 0.5s ease, opacity 0.3s ease, transform 0.3s ease;
  color: #585858;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 2.5vw;
  z-index: 4;
}
.content__item a:hover {
  transition: ease-in-out .3s;
  color: #c6d61a;
}
/* 展開時 */
.content__item.is-open a {
  max-height: 5vw; /* 行数に応じて調整 */
  opacity: 1;
  transform: translateY(0);
}
/* ===================================
Stance Section
=================================== */
.stance {
  position: relative;
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 10vw;
  z-index: 1;
}

.stance__title {
  display: flex;
  width: 7vw;
  padding: 4vw 0;
  justify-content: flex-end;
  z-index: 1;
}
.stance__section {
  display: flex;
  padding: 5vw 0;
  flex-direction: column;
  z-index: 1;
}
.stance__main {
  display: flex;
  align-items: center;
  position: relative;
  gap: 1vw;
  justify-content: flex-end;
  padding: 0 1vw;
}

.stance__line1 {
  height: 38vw;
  position: absolute;
  bottom: -1px;
  left: 6vw;
}

.line1-dot {
  transform: scale(0.8) translateX(15%);
  transition: .5s ease;
  cursor: pointer;
  pointer-events: all;
}

.line1-dot:hover {
  animation: none; 
  transform: scale(1);
}
.stance.is-active .line1-dot {
  animation: dot-drop 3s cubic-bezier(.25,.8,.25,1) forwards;
  transform: scale(0.9);
}

@keyframes dot-drop {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(43vw);
  }
}
/* ▼ PC：dotがゆっくり戻る */
.dot-return {
  animation: dot-return-anim 0.9s cubic-bezier(.25,.8,.25,1) forwards;
}
@keyframes dot-return-anim {
  from { transform: translateY(43vw) scale(0.85); }
  to   { transform: translateY(0) scale(0.9); }
}

/* ▼安定（戻った後に暴れない） */
.stance:not(.is-active) .line1-dot {
  animation-play-state: paused;
}

.dot-ui {
  position: absolute;
  left: 6.2vw;             /* dot位置に合わせて調整OK */
  top: -17.5vw;              /* 丸のちょい上に */
  transform: translateX(-20%);
  display: flex;
  gap: .2vw;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  pointer-events: none;  /* ←SVGクリックを邪魔しない */
}

/* 矢印（SVG風の細身矢印） */
.dot-arrow {
  width: 1vw;
  height: 1vw;
  border-left: 2px solid #c6d61a;
  border-bottom: 2px solid #c6d61a;
  transform: rotate(-45deg); /* ↘ が下方向に見える */
  animation: arrow-float 1.4s ease-in-out infinite;
}

/* ふわっと上下するアニメーション */
@keyframes arrow-float {
  0%   { transform: translateY(0) rotate(-45deg); opacity: 0.4; }
  50%  { transform: translateY(-4px) rotate(-45deg); opacity: 1; }
  100% { transform: translateY(0) rotate(-45deg); opacity: 0.4; }
}

.dot-ui-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: #585858;
  background: rgba(255,255,255,0.9);
  padding: .4vw .8vw;
  border-radius: 8px;
  border: 2px solid #C6D61A;
  animation: dot-ui-blink 1.4s ease-in-out infinite;
  letter-spacing: 0.08em;
}

/* 点滅アニメ */
@keyframes dot-ui-blink {
  0% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-4px); }
  100% { opacity: 0.3; transform: translateY(0); }
}

/* スクロールやクリック後は非表示（任意） */
.stance.is-active .dot-ui {
  opacity: 0;
  transition: .3s ease;
}

.stance__main-title {
  display: flex;
  width: 45vw;
  height: 25vw;
  padding: 1vw;;
}

.stance__text-box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3vw;
  position: relative;
}

.stance__text-box::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 7px solid #c6d61a;
  background-color: white;
  border-radius: 50px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(.25,.8,.25,1);
  pointer-events: none;
}
.stance__text-box.is-framed::before {
  transform: scaleX(1);
}

.stance__text-content {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2vw 0;
}

.stance__text {
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 35px;
  letter-spacing: -1.5px;
  width: 25vw;
  padding: 1vw;
}

.stance__text-bg {
  display: flex;
  width: 30vw;
  padding: 1vw 0;
}

.stance__text-content,
.stance__text-bg {
  opacity: 0;
  transform: translateY(10px);
  transition:opacity 1s ease,transform 1s ease;
}

.stance__text-box.is-show .stance__text-content,
.stance__text-box.is-show .stance__text-bg {
  opacity: 1;
  transform: translateY(0);
}

.stance__decoration {
  position: absolute;
  left: 3%;
  top: 17%;
  width: 40vw;
}
/* ===================================
Product Section
=================================== */
.product {
  position: relative;
  width: 100%;
}

.product__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 5vw 10vw 5vw 7vw;
}

.product__title {
  width: 35vw;
}

.product__section {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.product__wrapper {
  display: flex;
  align-items: center;
  gap: 1vw;
  padding: 3vw 0;
  margin: auto;
}

.slide-btn {
  border: 2px solid #585858;
  width: 3vw;
  height: 3vw;
  border-radius: 50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:.35s cubic-bezier(.25,.8,.25,1);
}
.slide-btn svg path {
  stroke: #585858;
}
.arrow-icon {
  width: 1.8vw;
  height: 1.8vw;
  transition: .3s ease;
}
.slide-btn:hover {
  transform: scale(1.07) translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.slide-btn:hover .arrow-icon {
  stroke-width: 4.5;
}

/* スクロールバー非表示 */
.product__slider {
  overflow: hidden;
  width: 70vw;
}
.product__list {
  display: flex;
  gap: 3vw;
  transition: transform .6s cubic-bezier(.25,.8,.25,1);
}
.product__item {
  width: 22vw;
  height: 22vw;
  flex-shrink: 0;
  transition: ease .5s;
}
/* hoverで浮き出し + 停止（JSで止まる） */
.product__item:hover {
  transform: scale(1.08);
}

/* 画像 */
.product__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* スクロールバー非表示 */
.product__slider::-webkit-scrollbar { 
  display: none; 
}

.product__link {
  position: relative;
  font-size: 2.5rem;
  line-height: 55px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.3s ease;
}
.product__link:hover {
  transform: translateY(-2px);
}

/* 下線（擬似要素で制御） */
.product__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.2em;
  width: 100%;
  height: 3px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* 矢印 */
.product__link .arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* hover */
.product__link:hover::after {
  transform: scaleX(0);
  transform-origin: right;
}

.product__link:hover .arrow {
  transform: translateX(8px);
}

.product__subtitle {
  position: absolute;
  right: 5%;
  top: 7%;
  background-color: #f1ede7;
  border-radius: 20px;
  border: 7px solid #585858;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2vw 0.5vw;
}

.product__subtitle-text {
  font-size: 2rem;
  line-height: 50px;
  color: #585858;
  letter-spacing: 15.5px;
  writing-mode: vertical-rl;
}

/* ===================================
Work Section
=================================== */
.work {
  position: relative;
  width: 100%;
}

.work__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2vw;
  padding: 5vw 5vw 5vw 10vw;
  position: relative;
}

.work__title {
  width: 25vw;
}

.work__section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6vw;
  width: 100%;
  z-index: 4;
}

.work__box {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1vw;
  z-index: 5;
}

.work__box-image {
  position: relative;
  height: 26vw;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 元の overlay の役割をここに移行 */
.work__box-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.75);
  z-index: -1; /* 背面に配置 */
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.9s cubic-bezier(.4,0,.2,1);
}

/* アニメ開始トリガー */
.work__box.is-active .work__box-image::before {
  transform: scaleY(1); /* 好みで調整OK */
}

.work__box-image img {
  width: 14vw;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.work__box-title {
  position: absolute;
  left: -23%;
  bottom: 5%;
  width: 20vw;
  background-color: #585858;
  padding: 0.8vw;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Roboto Mono', 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  letter-spacing: 2px;
  color: #ebebeb;
}

.work__box-text {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  font-size: 1.4rem;
  line-height: 25px;
  letter-spacing: -0.8px;
}
.work__linkbox {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 1vw 0;
  width: 100%
}

.work__link {
  position: relative;
  font-size: 2.2rem;
  line-height: 55px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.3s ease;
}
.work__link:hover {
  transform: translateY(-2px);
}

/* 下線（擬似要素で制御） */
.work__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.2em;
  width: 100%;
  height: 3px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* 矢印 */
.work__link .arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* hover */
.work__link:hover::after {
  transform: scaleX(0);
  transform-origin: right;
}

.work__link:hover .arrow {
  transform: translateX(8px);
}

.work__subtitle {
  position: absolute;
  right: 5%;
  top: 7%;
  background-color: #f1ede7;
  border-radius: 20px;
  border: 7px solid #585858;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2vw 0.5vw;
  z-index: 5;
}

.work__subtitle-text {
  font-weight: 700;
  font-size: 2rem;
  line-height: 50px;
  letter-spacing: 15.5px;
  writing-mode: vertical-rl;
}

.work__decoration {
  position: absolute;
}

.work__decoration--yellow-top {
  right: -3%;
  top: 3%;
  height: 30%;
}

.work__decoration--yellow-bottom {
  left: -2%;
  bottom: 8%;
  width: 30vw;
  height: 30vw;
}

/* ===================================
Contact Section
=================================== */
.contact {
  display: flex;
  padding: 2vw 7vw;
  width: 100%;
  background-color: #edd61c;
  z-index: 1;
}

.contact__box {
  display: flex;
  width: 100%;
  align-items: center;
  padding: 0.7vw;
}

.contact__title img {
  width: 30vw;
}

.contact__text-container {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 1.5vw 5vw 0 5vw;
}

.contact__text {
  font-weight: 500;
  font-size: 1.3rem;
  line-height: 20px;
}

.contact__link {
  position: relative;
  font-size: 1.5rem;
  line-height: 35px;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.3s ease;
}
.contact__link:hover {
  transform: translateY(-2px);
}

/* 下線（擬似要素で制御） */
.contact__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.2em;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* 矢印 */
.contact__link .arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(.25,.8,.25,1);
}

/* hover */
.contact__link:hover::after {
  transform: scaleX(0);
  transform-origin: right;
}

.contact__link:hover .arrow {
  transform: translateX(8px);
}

/* ===================================
Navigation Buttons
=================================== */
.topbtn {
  position: absolute;
  right: 4%;
  bottom: 1%;
  z-index: 1;
  width: 3vw;
  height: 3vw;
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.topbtn svg {
  width: 100%;
  height: 100%;
  animation: topbtn-bounce 2.4s infinite;
  transform-origin: center;
  animation-delay: 0.6s;
}
@keyframes topbtn-bounce {
  0%   { transform: translateY(0); }
  15%  { transform: translateY(-8px); }
  30%  { transform: translateY(0); }
  45%  { transform: translateY(-4px); }
  60%  { transform: translateY(0); }
  100% { transform: translateY(0); }
}

.topbtn:hover svg {
  animation-play-state: paused;
  transform: translateY(-6px) scale(1.05);
  transition: transform 0.25s cubic-bezier(.25,.8,.25,1);
}
.topbtn:active svg {
  transform: translateY(-2px) scale(0.98);
}
@media (prefers-reduced-motion: reduce) {
  .topbtn svg {
    animation: none;
  }
}

/* ======================================================================
   RESPONSIVE（1024px TABLET）
====================================================================== */
@media (max-width: 1024px) {
  .home {
    gap: 10vw;
  }
  .fv {
    height: 50vh;
  }
/* ===================================
Title
=================================== */
  .title { 
    gap: 40vw;
  }
  .title__subtitle {
    font-size: 1.4rem;
  }
  .title__vector {
    width: 35vw;
  }
/* ===================================
content
=================================== */
  .content__item {
    padding: 0.5vw 0vw;
  }
  .content__text {
    font-size: 1.5rem;
  }
  .content__line {
    width: 16vw;
    right: -0.5vw;
  }
/* ===================================
stance
=================================== */
  .stance { 
    gap: 6vw; 
  }
  .stance__title {
    width: 9vw;
    position: absolute;
    top: -8vw;
    left: 7vw;
  }
  .stance__main-title {
    width: 55vw;
  }
  .stance__line1 { 
    height: 45vw; 
  }
  .stance.is-active .line1-dot {
    animation: dot-drop 1.5s cubic-bezier(.25,.8,.25,1) forwards;
    transform: scale(0.9);
  }

  @keyframes dot-drop {
    from {
      transform: translateY(0);
    }
    to {
      transform: translateY(63vw);
    }
  }
  .dot-ui {
    display: none;
  }
  .stance__text {
    font-size: 1.4rem;
    line-height: 25px;
    width: 40vw;
  }
  .stance__text-bg {
    width: 25vw;
  }
  .stance__decoration {
    left: -10%;
    width: 50vw;
    top: 5%;
  }
/* ===================================
product
=================================== */

  .product__content {
    align-items: center;
  }
  .product__title {
    width: 45vw;
    margin-right: 35vw;
  }
  .product__slider {
    width: 80vw;
  }
  .product__item { 
    width: 25vw; 
    height: 30vw; 
  }
  .product__subtitle {
    border-radius: 20px;
    border: 6px solid #585858;
  }
  .product__subtitle-text {
    font-size: 1.8rem;
    line-height: 40px;
  }
  .slide-btn {
    width: 4vw;
    height: 4vw;
  }
  .product__link {
    font-size: 2rem;
    line-height: 50px;
  }
/* ===================================
work
=================================== */
  .work__content {
    align-items: center;
  }
  .work__title {
    margin-right: 55vw;
    width: 30vw;
  }
  .work__section { 
    display: flex;
    gap: 8vw;
    padding: 5vw 15vw;
    flex-direction: column;
  }
  .work__box-title {
    left: -30%;
    bottom: 5%;
    width: 30vw;
  }
  .work__box-image {
    height: 40vw;
  }
  .work__box-image img {
    width: 25vw;
  }
  .work__link {
    font-size: 1.8rem;
    line-height: 50px;
  }
}

/* ======================================================================
   RESPONSIVE（810px SP）
====================================================================== */
@media (max-width: 769px) {
  .home {
    gap: 10vw;
  }
/* ===================================
Title
=================================== */
  .title { 
    gap: 0;
  }
  .title__maintitle { 
    font-size: 2.5rem; 
  }
  .title__subtitle {
    font-size: 1.2rem;
  }
  .title__vector {
    position: static;
    width: 35vw;
  }
/* ===================================
content
=================================== */
  .content {
    display: none;
  }
/* ===================================
stance
=================================== */
  .stance__title {
    top: -18vw;
  }
  .stance__section {
    gap: 10vw;
  }
  .stance__main-title {
    width: 65vw;
  }
  .stance__line1 { 
    display: none;
  }
  .stance__text-box {
    flex-direction: column;
    padding: 5vw;
  }
  .stance__text {
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 20px;
    width: 100%;
  }
  .stance__text-bg {
    width: 50vw;
  }
  .stance__decoration {
    left: -5%;
    top: -2vw;
  }
/* ===================================
product
=================================== */

  .product__content {
    align-items: center;
    gap: 5vw;
    padding: 5vw 10vw;
  }
  .product__title {
    width: 55vw;
    margin-right: 20vw;
  }
  .product__slider {
    width: 75vw;
  }
  .product__item { 
    width: 25vw; 
    height: 30vw; 
  }
  .product__subtitle {
    border-radius: 10px;
    border: 3px solid #585858;
    top: 6%;
  }
  .product__subtitle-text {
    font-size: 1.3rem;
    line-height: 20px;
    letter-spacing: 1vw;
    text-align: center;
    writing-mode: unset;
  }
  .product__wrapper {
    gap: 3vw;
  }
  .slide-btn {
    width: 5vw;
    height: 5vw;
  }
  .arrow-icon {
    width: 4vw;
    height: 4vw;
  }
  .product__link {
    font-size: 1.3rem;
    line-height: 30px;
  }
  .product__link::after {
    height: 1.6px;
  }
/* ===================================
work
=================================== */
  .work__content {
    align-items: center;
  }
  .work__title {
    margin-right: 40vw;
    width: 35vw;
  }
  .work__section { 
    display: flex;
    gap: 8vw;
    padding: 5vw;
    flex-direction: column;
  }
  .work__box-title {
    left: -20%;
    bottom: 5%;
    width: 60vw;
    font-size: 1.4rem;
  }
  .work__subtitle {
    border-radius: 10px;
    border: 3px solid #585858;
    top: 1%;
  }
  .work__subtitle-text {
    font-size: 1.3rem;
    line-height: 20px;
    letter-spacing: 1vw;
    text-align: center;
    writing-mode: unset;
  }
  .work__box-image {
    height: 65vw;
  }
  .work__box-image img {
    width: 40vw;
  }
  .work__box-text {
    font-size: 1.2rem;
  }
  .work__link {
    font-size: 1.3rem;
    line-height: 30px;
  }
  .work__link::after {
    height: 1.6px;
  }
  .work__decoration--yellow-top {
    right: -5%;
    top: 3%;
    width: 50vw;
  }
}