@charset "UTF-8";

/* =========================
   Base
========================= */
:root {
  --color-white: #ffffff;
  --color-black: #000000;
  --color-navy: #114978;
  --color-navy-deep: #0c3659;
  --color-hover-fill: rgba(177, 194, 208, 0.75);
  --header-z: 100;
  --menu-z: 200;
  --transition: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-white);
  font-family:
    "Yu Gothic",
    "YuGothic",
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    sans-serif;
  background: #000;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pc-only {
  display: flex;
}

.sp-only {
  display: none;
}

/* =========================
   Header
========================= */
.lp-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--header-z);
  padding: 24px 32px 0;
}

.lp-header__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.lp-header__logo {
  display: inline-block;
  width: 92px;
}

.lp-header__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.lp-header__menu {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 6px;
}

.lp-header__menu a {
  position: relative;
  display: inline-block;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  padding-bottom: 6px;
  transition: opacity var(--transition);
}

.lp-header__menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-white);
  transition: width var(--transition);
}

.lp-header__menu a:hover::after {
  width: 100%;
}

.lp-header__contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 110px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.04em;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.lp-header__contact:hover {
  background: var(--color-hover-fill);
  border-color: var(--color-hover-fill);
  color: var(--color-white);
}

/* =========================
   MV
========================= */
.mv {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #000;
}

.mv__bg,
.mv__overlay {
  position: absolute;
  inset: 0;
}

.mv__bg {
  background: url("../images/mv-bg.png") no-repeat center center / cover;
}

.mv__overlay {
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.12) 50%,
    rgba(0, 0, 0, 0.35) 100%
  );
}

.mv__content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.mv__title {
  position: absolute;
  top: 49%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  font-family:
    "Yu Gothic",
    "YuGothic",
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    sans-serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-align: center;
  white-space: nowrap;
}

.mv__scroll {
  position: absolute;
  bottom: 78px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.mv__scroll-arrow {
  display: block;
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(45deg);
}

/* =========================
   SP Hamburger
========================= */
.lp-header__hamburger {
  position: relative;
  width: 38px;
  height: 30px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.lp-header__hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

.lp-header__hamburger span:nth-child(1) {
  top: 3px;
}

.lp-header__hamburger span:nth-child(2) {
  top: 14px;
}

.lp-header__hamburger span:nth-child(3) {
  top: 25px;
}

/* =========================
   SP Menu
========================= */
.sp-menu {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--menu-z);
  width: 100%;
  height: 100vh;
  background: #000;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform 0.45s ease,
    opacity 0.35s ease,
    visibility 0.35s ease;
}

.sp-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.sp-menu__inner {
  height: 100%;
  padding: 30px 24px 40px;
  display: flex;
  flex-direction: column;
}

.sp-menu__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.sp-menu__logo {
  display: inline-block;
  width: 92px;
}

.sp-menu__close {
  position: relative;
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.sp-menu__close span {
  position: absolute;
  top: 16px;
  left: 2px;
  width: 30px;
  height: 2px;
  background: var(--color-white);
}

.sp-menu__close span:nth-child(1) {
  transform: rotate(45deg);
}

.sp-menu__close span:nth-child(2) {
  transform: rotate(-45deg);
}

.sp-menu__nav {
  margin-top: 36px;
}

.sp-menu__list {
  border-top: 1px solid rgba(255, 255, 255, 0.6);
}

.sp-menu__list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.sp-menu__list a {
  display: block;
  padding: 22px 0 20px;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.sp-menu__cta {
  margin-top: 30px;
  display: grid;
  gap: 12px;
}

.sp-menu__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 54px;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.04em;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.sp-menu__btn--line {
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  color: var(--color-white);
}

.sp-menu__btn--line:hover {
  background: var(--color-hover-fill);
  border-color: var(--color-hover-fill);
}

.sp-menu__btn--fill {
  border: 1px solid var(--color-white);
  background: var(--color-white);
  color: var(--color-black);
}

.sp-menu__btn--fill:hover {
  background: transparent;
  color: var(--color-white);
}

@media screen and (max-width: 768px) {
  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }

  .lp-header {
    padding: 30px 16px 0;
  }

  .lp-header__logo {
    width: 90px;
  }

  .mv {
    min-height: 100svh;
  }

  .mv__content {
    min-height: 100svh;
  }

  .mv__title {
    top: 48%;
    font-size: 20px;
    letter-spacing: 0.14em;
    width: 100%;
    padding: 0 20px;
  }

  .mv__scroll {
    bottom: 92px;
    font-size: 14px;
  }
}

.mv__scroll{
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;

  animation: scrollMove 2s ease-in-out infinite;
}

@keyframes scrollMove{
  0%{
    transform: translate(-50%,0);
  }

  50%{
    transform: translate(-50%,10px);
  }

  100%{
    transform: translate(-50%,0);
  }
}

/* =========================
   下部追従CTA
========================= */
.cta-fixed{
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 80px;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;

  /* 初期は非表示 */
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  pointer-events: none;

  transition:
    opacity .35s ease,
    transform .35s ease,
    visibility .35s ease;
}

.cta-fixed.is-show{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.cta-inner{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  max-width: 760px;
  padding: 0 20px;
}

.cta-btn{
  width: 200px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #fff;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.04em;
  transition:
    background-color .3s ease,
    color .3s ease,
    border-color .3s ease;
}

.cta-line{
  background: transparent;
  color: #fff;
}

.cta-line:hover{
  background: #9a9a9a;
  border-color: #9a9a9a;
  color: #fff;
}

.cta-fill{
  background: #f1f1f1;
  color: #000;
  border-color: #f1f1f1;
}

.cta-fill:hover{
  background: transparent;
  color: #fff;
  border-color: #fff;
}

body{
  padding-bottom: 80px;
}

@media screen and (max-width: 768px){
  .cta-fixed{
    height: 72px;
  }

  .cta-inner{
    gap: 10px;
    padding: 0 12px;
  }

  .cta-btn{
    width: calc((100% - 20px) / 3);
    min-width: 0;
    height: 34px;
    font-size: 13px;
    letter-spacing: 0.02em;
  }

  body{
    padding-bottom: 72px;
  }
}

/* =========================
   共通
========================= */
.inner{
  width: min(100% - 80px, 1100px);
  margin: 0 auto;
}

.section-pad{
  padding: 200px 0;
}

.section-title{
  margin: 0;
  color: #fff;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.js-fade-left{
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 1s ease,
    transform 1s cubic-bezier(.22,.61,.36,1);
}

.js-fade-left.is-show{
  opacity: 1;
  transform: translateX(0);
}

/* =========================
   3セクション共通背景
========================= */
.lp-flow-bg{
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 0%, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 10%, rgba(0,0,0,0) 24%),
    linear-gradient(120deg, #5b5656 0%, #474343 20%, #353333 48%, #1f2023 78%, #07090d 100%);
}

.lp-flow-bg::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 30%, rgba(18,31,54,0.18) 0%, rgba(18,31,54,0) 30%),
    radial-gradient(circle at 85% 85%, rgba(6,16,28,0.35) 0%, rgba(6,16,28,0) 28%);
  mix-blend-mode: screen;
  opacity: .9;
}

.lp-flow-bg::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .08;
  background-image:
    radial-gradient(rgba(255,255,255,.8) .4px, transparent .4px);
  background-size: 4px 4px;
}

/* =========================
   Concept
========================= */
.concept{
  position: relative;
  z-index: 1;
}

.concept__head{
  display: flex;
  align-items: flex-start;
  gap: 46px;
}

.concept__line{
  position: relative;
  width: 10px;
  height: 300px;
  flex: 0 0 auto;
  margin-top: 6px;
}

.concept__line::before{
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.95) 0%,
    rgba(255,255,255,0.88) 18%,
    rgba(255,255,255,0.55) 58%,
    rgba(255,255,255,0.18) 82%,
    rgba(255,255,255,0) 100%
  );
}

.concept__line::after{
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.16) 0%,
    rgba(255,255,255,0.08) 45%,
    rgba(255,255,255,0.03) 75%,
    rgba(255,255,255,0) 100%
  );
  filter: blur(1.2px);
}

.concept__titleWrap{
  display: flex;
  align-items: center;
  gap: 36px;
}

.section-title--concept{
  font-size: 40px;
}

.concept__sub{
  margin: 8px 0 0;
  color: #fff;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 24px;
  line-height: 1;
  letter-spacing: .06em;
}

.concept__body{
  margin-top: -220px;
  padding-left: 60px;
  display: grid;
  grid-template-columns: 1.1fr .95fr;
  gap: 80px;
  align-items: center;
  color:rgba(255,255,255,0.88);
  letter-spacing:0.03em;
}

.concept__lead p{
  margin: 0;
  color: #fff;
  font-size: 28px;
  line-height: 55px;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.concept__text p{
  color: #fff;
  font-size: 16px;
  line-height: 45px;
}

/* =========================
   Address
========================= */
/* =========================
   Address
========================= */
.address{
  position: relative;
  z-index: 1;
  padding-top: 40px;
}

.address__layout{
  display: grid;
  grid-template-columns: minmax(0, 58vw) minmax(0, 1fr);
  align-items: center;
}

.address__galleryWrap{
  width: 100%;
}

.address__gallery{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  height: 800px;
  overflow: hidden;
  max-width: 50%;   /* 左エリアの最大幅 */
}

.address__col{
  display: flex;
  flex-direction: column;
  gap: 16px;
  will-change: transform;
}

.address__col--up{
  animation: addressLoopUp 100s linear infinite;
}

.address__col--down{
  animation: addressLoopDown 100s linear infinite;
}

@keyframes addressLoopUp{
  0%{ transform: translateY(0); }
  100%{ transform: translateY(-50%); }
}

@keyframes addressLoopDown{
  0%{ transform: translateY(-50%); }
  100%{ transform: translateY(0); }
}

.address__item{
  overflow: hidden;
  background: rgba(255,255,255,.04);
}

.address__item--wide{
  aspect-ratio: 1.4 / 1;
}

.address__item--square{
  aspect-ratio: 1 / 1;
}

.address__item img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.address__content{
  width: 100%;
}

.address__info{
  max-width: 420px;
  margin-left: 40px; /* 画像との間 */
  color: #fff;
}

.address__postal{
  margin: 0 0 36px;
  font-size: 14px;
  line-height: 2;
  letter-spacing: .18em;
}

.address__note{
  margin: 0 0 5px;
  font-size: 12px;
  line-height: 25px;
}

.address__layout{
  grid-template-columns: 56vw 1fr;
}

.address__gallery{
  max-width: 720px;
}

.address__info{
  margin-left: 20px;
}

/* =========================
   Team building
========================= */
.team{
  position: relative;
  z-index: 1;
}

.team__inner{
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 90px;
  align-items: center;
}

.team__chartWrap{
  margin-top: 70px;
}

.team__chartWrap{
  margin-top: 70px;
}

.team__chartImg{
  width: 520px;
  max-width: 100%;
  margin: 0 auto;
}

.team__chartImg img{
  display: block;
  width: 100%;
  height: auto;
}

.team__right{
  color: #fff;
}

.team__copy{
  margin: 0 0 48px;
  font-family:
    "Yu Gothic",
    "YuGothic",
    "Hiragino Sans",
    sans-serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .03em;
  text-align: right;
}

.team__text{
  margin: 0 0 18px;
  font-size: 20px;
  line-height: 2;
  text-align: right;
}

.team__text .br2 {
    display: none;
} 

/* =========================
   Tablet / SP
========================= */
@media screen and (max-width: 1024px){
  .section-pad{
    padding: 90px 0;
  }

  .inner{
    width: min(100% - 48px, 1100px);
  }

  .section-title{
    font-size: 44px;
  }

  .concept__body{
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
    padding-left: 0;
  }

  .concept__text{
    padding-top: 0;
  }

  .address__inner,
  .team__inner{
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .address__gallery{
    height: 720px;
  }

  .team__right{
    text-align: center;
  }
  .team__text .br2 {
    display: block;
} 
.team__text .br1 {
    display: none;
} 
}


@media screen and (max-width: 768px){
  .section-pad{
    padding: 72px 0;
  }

  .inner{
    width: min(100% - 32px, 1100px);
  }

  .section-title{
    font-size: 25px;
  }

  .concept__head{
    gap: 24px;
  }

  .concept__line{
    height: 160px;
  }

  .concept__titleWrap{
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .section-title--concept{
    font-size: 40px;
  }

  .concept__lead p{
    font-size: 14px;
    line-height: 25px;
  }
  .concept__body {
    gap:20px;
  }

  .concept__text p{
    font-size: 14px;
    line-height: 2;
  }

  .address__gallery{
    height: 520px;
    gap: 10px;
  }

  .address__col{
    gap: 10px;
  }

  .address__postal{
    font-size: 15px;
    line-height: 1.9;
    letter-spacing: .08em;
  }

  .address__note{
    font-size: 12px;
    line-height: 1.8;
  }

  .team__chart{
    padding: 30px 10px 60px;
  }

  .team__pentagon{
    width: 210px;
    height: 210px;
  }

  .team__label{
    font-size: 12px;
  }

  .team__label--top-left{
    left: 12px;
  }

  .team__label--top-right{
    right: 0;
  }

  .team__label--right{
    right: -4px;
    width: 68px;
  }

  .team__label--left{
    left: 0;
  }

  .team__copy{
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
  }

  .team__text{
    font-size: 13px;
    line-height: 1.9;
    text-align: center;
  }
  .concept__lead p .br {
    display: none;
  }
}

@media screen and (max-width: 768px){
  .address{
    padding-top: 20px;
  }

  .address__layout{
    display: block;
  }

  .address__galleryWrap{
    padding-left: 0;
    margin-bottom: 40px;
  }

  .address__gallery{
    max-width: none;
    width: 100%;
    height: 420px;
    gap: 8px;
    grid-template-columns: repeat(2, 1fr);
  }

  .address__col{
    gap: 8px;
  }

  .address__col--up{
    animation: addressLoopUpSp 40s linear infinite;
  }

  .address__col--down{
    animation: addressLoopDownSp 40s linear infinite;
  }

  @keyframes addressLoopUpSp{
    0%{ transform: translateY(0); }
    100%{ transform: translateY(-50%); }
  }

  @keyframes addressLoopDownSp{
    0%{ transform: translateY(-50%); }
    100%{ transform: translateY(0); }
  }

  .address__content .inner{
    width: min(100% - 32px, 1100px);
  }

  .address__info{
    max-width: none;
    margin-left: 0;
  }
}

@media screen and (max-width: 768px){
  .team__chartWrap{
    margin-top: 40px;
  }

  .team__chartImg{
    width: 100%;
    max-width: 320px;
  }
}

@media screen and (max-width: 768px){
  .address{
    padding-top: 20px;
  }

  .address__layout{
    display: block;
  }

  .address__galleryWrap{
    width: 100%;
    padding-left: 0;
    margin-bottom: 36px;
  }

  .address__gallery{
    width: 100%;
    max-width: none;
    height: 430px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    overflow: hidden;
  }

  .address__col{
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
    will-change: transform;
  }

  .address__col--up{
    animation: addressLoopUpSp 30s linear infinite;
  }

  .address__col--down{
    animation: addressLoopDownSp 30s linear infinite;
  }

  @keyframes addressLoopUpSp{
    0%{
      transform: translateY(0);
    }
    100%{
      transform: translateY(calc(-50% - 5px));
    }
  }

  @keyframes addressLoopDownSp{
    0%{
      transform: translateY(calc(-50% - 5px));
    }
    100%{
      transform: translateY(0);
    }
  }

  .address__item{
    width: 100%;
    overflow: hidden;
  }

  .address__item--wide{
    aspect-ratio: 1 / 0.78;
  }

  .address__item--square{
    aspect-ratio: 1 / 1;
  }

  .address__item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .address__content .inner{
    width: min(100% - 32px, 1100px);
  }

  .address__info{
    max-width: none;
    margin-left: 0;
  }

  .address__postal{
    font-size: 15px;
    line-height: 1.9;
    letter-spacing: .08em;
    margin-bottom: 20px;
  }

  .address__note{
    font-size: 12px;
    line-height: 1.8;
  }
}

/* 初期状態ではSP用の横ループは非表示 */
.address__rows{
  display: none;
}

@media screen and (max-width: 768px){
  .address__gallery{
    display: block;
    width: 100%;
    max-width: none;
    height: auto;
    overflow: hidden;
  }

  /* PC用縦列は非表示 */
  .address__col{
    display: none;
  }

  /* SP用 二段横ループ表示 */
  .address__rows{
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: hidden;
  }

  .address__row{
    display: flex;
    gap: 10px;
    width: max-content;
    will-change: transform;
  }

  .address__row--left{
    animation: addressRowLoopLeft 100s linear infinite;
  }

  .address__row--right{
    animation: addressRowLoopRight 100s linear infinite;
  }

  @keyframes addressRowLoopLeft{
    0%{
      transform: translateX(0);
    }
    100%{
      transform: translateX(calc(-50% - 5px));
    }
  }

  @keyframes addressRowLoopRight{
    0%{
      transform: translateX(calc(-50% - 5px));
    }
    100%{
      transform: translateX(0);
    }
  }

  .address__item{
    flex: 0 0 auto;
    width: 150px;
    height: 120px;
    overflow: hidden;
  }

  .address__item--wide{
    aspect-ratio: 1.4 / 1;
  }

  .address__item--square{
    aspect-ratio: 1 / 1;
  }

  .address__item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  .address__galleryWrap{
    width: 100%;
    padding-left: 0;
    margin-bottom: 36px;
  }

  .address__content .inner{
    width: min(100% - 32px, 1100px);
  }

  .address__info{
    max-width: none;
    margin-left: 0;
  }
}

.concept__text p .br {
    display: none;
}

@media screen and (max-width: 1024px){
  .concept{
    padding-top: 100px;
    padding-bottom: 100px;
  }

  .concept .inner{
    width: min(100% - 48px, 1100px);
  }

  .concept__head{
    align-items: flex-start;
    gap: 18px;
  }

  .concept__line{
    width: 10px;
    height: 300px;
    margin-top: 4px;
    flex: 0 0 auto;
  }

  .concept__titleWrap{
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 30px;
    flex-wrap: nowrap;
  }

  .section-title--concept{
    font-size: 25px;
    line-height: 1.1;
    letter-spacing: 0.01em;
    white-space: nowrap;
  }

  .concept__sub{
    margin: 0;
    font-size: 14px;
    line-height: 1;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .concept__body{
    margin-top: -240px;
    padding-left: 28px;
    display: block;
  }

  .concept__lead{
    max-width: 320px;
  }

  .concept__lead p{
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    letter-spacing: 0.01em;
  }

  .concept__text{
    padding-top: 28px;
    max-width: 320px;
  }

  .concept__text p{
    margin: 0 0 12px;
    font-size: 13px;
    line-height: 2.2;
    letter-spacing: 0.01em;
  }
  .concept__text p .br {
    display: block;
}
}

/* =========================
   Works
========================= */
.works{
  position: relative;
  background: #000;
}

.works__track{
  position: relative;
}

.works__panel{
  position: sticky;
  top: 0;
  min-height: 100svh;
  background-image: var(--bg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  overflow: hidden;
}

.works__overlay{
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.18);
  z-index: 1;
}

.works__content{
  position: relative;
  z-index: 2;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.works__text{
  width: 100%;
  max-width: 980px;
  text-align: center;
  color: #fff;
}

.works__title{
  margin: 0 0 20px;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 25px;
  font-weight: 600;
}

.works__desc{
  margin: 0 auto;
  max-width: 1050px;
  font-size: 16px;
  line-height: 25px;
}

.works__btn{
  position: relative;
  isolation: isolate;
  overflow: hidden;

  margin: 30px auto 0;
  width: 200px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  border: 1px solid rgba(255,255,255,.95);
  border-radius: 999px;

  color: #fff;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.04em;

  background: transparent;
  backdrop-filter: blur(3px);

  transition:
    transform .3s ease,
    border-color .3s ease;
}

.works__btn::before{
  content: "";
  position: absolute;
  inset: 8px;
  z-index: -1;

  border-radius: 999px;
  background: rgba(255,255,255,.10);
  filter: blur(8px);

  transform: scale(1);
  transform-origin: center;
  transition:
    transform .35s ease,
    background-color .35s ease,
    opacity .35s ease;
}

.works__btn:hover::before{
  transform: scale(1.18);
  background: rgba(255,255,255,.16);
}
.works__btn:hover{
  transform: translateY(0px) scale(1.03);
}

.works__btn span{
  display: inline-block;
  transform: translateY(0px);
}

/* スライド順が分かるように重なり制御 */
.works__panel:nth-child(1){ z-index: 1; }
.works__panel:nth-child(2){ z-index: 2; }
.works__panel:nth-child(3){ z-index: 3; }
.works__panel:nth-child(4){ z-index: 4; }
.works__panel:nth-child(5){ z-index: 5; }
.works__panel:nth-child(6){ z-index: 6; }
.works__panel:nth-child(7){ z-index: 7; }
.works__panel:nth-child(8){ z-index: 8; }
.works__panel:nth-child(9){ z-index: 9; }
.works__panel:nth-child(10){ z-index: 10; }
.works__panel:nth-child(11){ z-index: 11; }
.works__panel:nth-child(12){ z-index: 12; }

@media screen and (max-width: 1024px){
  .works__title{
    font-size: 20px;
    margin-bottom: 24px;
  }

  .works__desc{
    font-size: 14px;
    line-height: 1.8;
    max-width: 820px;
  }

}

@media screen and (max-width: 768px){
  .works__panel{
    min-height: 100svh;
    background-position: center center;
  }

  .works__content.inner{
    width: min(100% - 40px, 1100px);
  }

  .works__text{
    max-width: none;
  }

  .works__title{
    margin: 0 0 18px;
    font-size: 20px;
    line-height: 1.3;
  }

  .works__desc{
    font-size: 14px;
    line-height: 1.9;
    max-width: 100%;
  }
}


/* =========================
   Footer
========================= */
.footer{
  background: #000;
  color: #fff;
}

.footer__main{
  padding: 110px 0 72px;
}

.footer__inner{
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 74px;
  align-items: start;
}

.footer__brand{
  padding-top: 8px;
}

.footer__logo{
  display: inline-block;
  width: 132px;
}

.footer__logo img{
  display: block;
  width: 100%;
  height: auto;
}

.footer__navWrap{
  display: flex;
  flex-direction: column;
  gap: 34px;
}

.footer__navRow{
  display: flex;
  align-items: center;
  gap: 54px;
}

.footer__navLink{
  position: relative;
  display: inline-block;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.footer__navLink::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: #fff;
  transition: width .3s ease;
}

.footer__navLink:hover::after{
  width: 100%;
}

.footer__worksRow{
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 42px;
  align-items: start;
}

.footer__worksLabel{
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.footer__worksList{
  display: flex;
  flex-wrap: wrap;
  column-gap: 30px;
  row-gap: 15px;
  padding-top: 0px;
}

.footer__worksLink{
  display: inline-block;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: opacity .3s ease;
}

.footer__worksLink:hover{
  opacity: .68;
}

.footer__bottom{
  background:#222;
  padding: 14px 28px 12px;
}

.footer__bottomInner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__policy{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.footer__policy a{
  transition: opacity .3s ease;
}

.footer__policy a:hover{
  opacity: .7;
}

.footer__copy{
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* =========================
   Footer Tablet
========================= */
@media screen and (max-width: 1024px){
  .footer__main{
    padding: 50px 0 50px;
  }

  .footer__inner{
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .footer__logo{
    width: 120px;
  }

  .footer__navRow{
    gap: 36px;
    flex-wrap: wrap;
  }

  .footer__navLink,
  .footer__worksLabel{
    font-size: 20px;
  }

  .footer__worksRow{
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer__worksList{
    column-gap: 28px;
    row-gap: 18px;
  }

  .footer__worksLink{
    font-size: 16px;
  }

  .footer__bottomInner{
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__copy{
    white-space: normal;
  }
}

/* =========================
   Footer SP
========================= */
@media screen and (max-width: 768px){
  .footer__main{
    padding: 64px 0 46px;
  }

  .footer__inner{
    gap: 34px;
  }

  .footer__logo{
    width: 98px;
  }

  .footer__navWrap{
    gap: 24px;
  }

  .footer__navRow{
    gap: 24px 30px;
  }

  .footer__navLink{
    font-size: 18px;
  }

  .footer__worksLabel{
    font-size: 18px;
  }

  .footer__worksList{
    gap: 10px;
    padding-top: 0;
  }

  .footer__worksLink{
    font-size: 13px;
    line-height: 1.6;
    white-space: normal;
  }

  .footer__bottom{
    padding: 14px 20px 20px;
  }

  .footer__policy{
    font-size: 11px;
    gap: 6px;
  }

  .footer__copy{
    font-size: 11px;
  }
}




/* =========================
   Archive detail
========================= */
.archive-page{
  background: #000;
}

.archive-detail{
  background: #000;
}

.archive-kv{
  position: relative;
  background: #000;
}

.archive-kv__image{
  width: 100%;
  height: 100svh;
}

.archive-kv__image img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.archive-intro{
  position: relative;
  overflow: hidden;
  padding: 150px 0 150px;
  background:
    radial-gradient(circle at 0% 0%, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 10%, rgba(0,0,0,0) 24%),
    linear-gradient(120deg, #5b5656 0%, #474343 20%, #353333 48%, #1f2023 78%, #07090d 100%);
}

.archive-intro::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 30%, rgba(18,31,54,0.18) 0%, rgba(18,31,54,0) 30%),
    radial-gradient(circle at 85% 85%, rgba(6,16,28,0.35) 0%, rgba(6,16,28,0) 28%);
  mix-blend-mode: screen;
  opacity: .9;
}

.archive-intro__inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 34px;
}

.archive-intro__line{
  position: relative;
  width: 10px;
  min-height: 200px;
}

.archive-intro__line::before{
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.95) 0%,
    rgba(255,255,255,0.75) 45%,
    rgba(255,255,255,0.08) 100%
  );
}

.archive-intro__content{
  text-align: center;
  color: #fff;
}

.archive-intro__title{
  margin: 0 0 26px;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.archive-intro__text{
  margin: 0 auto;
  max-width: 860px;
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 0.03em;
}

.archive-gallery{
  margin: 68px auto 0;
  max-width: 920px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.archive-gallery__item{
  overflow: hidden;
}

.archive-gallery__item img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.archive-gallery__item--wide{
  aspect-ratio: 1.55 / 1;
}

.archive-gallery__item--square{
  aspect-ratio: 1.55 / 1;
}

.archive-back{
  background:
    linear-gradient(110deg, #1f1f21 0%, #343434 45%, #252628 100%);
  text-align: center;
  padding: 18px 20px;
}

.archive-back__link{
  display: inline-block;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: #fff;
  transition: opacity .3s ease;
}

.archive-back__link:hover{
  opacity: .75;
}


.archive-intro__title{
  position: relative;
  margin: 0 0 26px;
  font-family:
    "Yu Mincho",
    "YuMincho",
    "Hiragino Mincho ProN",
    serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.archive-intro__title::before{
  content: "";
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 1px;
  background: #fff;
}

/* =========================
   Archive detail SP
========================= */
@media screen and (max-width: 768px){
  .archive-kv__image{
    height: 58svh;
  }

  .archive-intro{
    padding: 140px 0 100px;
  }

  .archive-intro__inner{
    grid-template-columns: 15px 1fr;
    gap: 15px;
  }

  .archive-intro__line{
    min-height: 120px;
  }

  .archive-intro__title{
    margin-bottom: 18px;
    font-size: 20px;
  }

  .archive-intro__text{
    font-size: 14px;
    line-height: 2;
  }

  .archive-gallery{
    margin-top: 38px;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .archive-back{
    padding: 15px 20px 15px;
  }
  .archive-intro__title::before {
    content: "";
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 1px;
    background: #fff;
}
}

.archive-gallery__item{
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .8s ease,
    transform .8s cubic-bezier(.22,.61,.36,1);
}

.archive-gallery__item.is-show{
  opacity: 1;
  transform: translateY(0);
}

.archive-gallery__item img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}


/* =========================
   Archive lightbox
========================= */
.archive-gallery__trigger{
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.archive-gallery__trigger img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .35s ease, opacity .35s ease;
}

.archive-gallery__trigger:hover img{
  transform: scale(1.03);
  opacity: .92;
}

.lightbox{
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s ease, visibility .3s ease;

  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.lightbox.is-open{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox__overlay{
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .78);
}

.lightbox__dialog{
  position: relative;
  z-index: 1;
  width: min(92vw, 1200px);
  max-height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.lightbox__image{
  max-width: 100%;
  max-height: calc(90vh - 20px);
  display: block;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}

.lightbox__close{
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: #fff;
  font-size: 36px;
  line-height: 1;
  cursor: pointer;
}

@media screen and (max-width: 768px){
  .lightbox__dialog{
    width: min(92vw, 1200px);
    margin-top: 0;
  }

  .lightbox__close{
    top: -40px;
    width: 32px;
    height: 32px;
    font-size: 30px;
  }
}