/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  --bg: #F5F0EA;
  --text: #4B423A;
  --sub: #989898;
  --pc-title-size: 32px;
  --sp-title-size: 22px;
  --border: #C1C1C1;
  --section-space: 140px;
  --inner-width: 80%;
  --content-width: 1200px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  opacity: 1;
  transition: opacity .5s ease;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

body.fade-out {
  opacity: 0;
}

html,
body {
  overscroll-behavior: none;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  padding: 28px;
  z-index: 1000;
  transition: transform .35s ease;
}

/* 下層ページ */
.kassa .header,
.collection .header {
  background-color: #fff;
}

.header.hide {
  transform: translateY(-100%);
}

.header-logo {
  display: block;
  width: 140px;
}

.header-logo img {
  display: block;
  width: 100%;
  height: auto;
}

/* --- Menu Button --- */
.menu-button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  right: 28px;
  z-index: 1001;
}

.home .menu-button span {
  display: block;
  width: 24px;
  height: 1px;
  background: #ffffff;
  box-shadow: 0 0 4px rgba(255, 255, 255, .6);
}

.collection .menu-button span,
.kassa .menu-button span {
  display: block;
  width: 24px;
  height: 1px;
  background: #111;
  box-shadow: 0 0 4px rgba(255, 255, 255, .6);
}

/* --- Menu Panel --- */
.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  width: 400px;
  height: 100vh;
  padding: 80px 20px;
  background: white;
  transform: translateX(100%);
  transition: .5s ease;
  z-index: 2000;

}

.menu-panel.active {
  transform: translateX(0);
}

.menu-panel .menu-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-item a {
  display: block;
  color: #4B423A;
  text-decoration: none;
}

.menu-item:not(:last-child)::after {
  content: "";
  display: block;
  width: 340px;
  height: 0.8px;
  margin: 0 auto;
  background: #C1C1C1;
}

.close-button {
  position: absolute;
  top: 30px;
  right: 30px;
  background: none;
  border: none;
  font-size: 30px;
}

/* --- Header & Panel (Responsive) --- */
@media (min-width: 769px) {
  .menu-panel {
    text-align: left;
  }
  .menu-item a {
    padding: 20px 16px;
    font-size: 20px;
    text-align: left;
  }

  /*
  .menu-item:not(:last-child)::after {
    margin-top: 20px;
  } */

  .business-link {
    display: block;
    margin-top: auto;
    color: #989898;
    font-size: 16px;
    text-decoration: none;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .header {
    height: 80px;
    padding: 0;
  }
  .header-logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
  }

  .menu-button {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
  }
  .menu-panel {
    width: 90%;
    height: 90vh;
    text-align: center;
  }
  .menu-item a {
    padding: 24px 0;
    font-size: 20px;
    text-align: center;
  }
  .business-link {
    display: block;
    margin-top: auto;
    color: var(--sub);
    font-size: 14px;
    text-decoration: none;
    text-align: center;
  }
}

/* =================
   Responsive <br>
================= */

/* PCのみ表示 */
.pc-br{
    display:inline;
}

/* SPのみ表示 */
.sp-br{
    display:none;
}

@media (max-width:768px){

    .pc-br{
        display:none;
    }

    .sp-br{
        display:inline;
    }

}

/* ==========================================================================
   Main & Common Layout
   ========================================================================== */
.brand-page {
  width: 100%;
}

.page-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 80px 0;
}

.page-hero-inner {
  width: var(--inner-width);
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
}

/* --- Typography --- */
.page-title {
  color: #4B423A;
  font-family: "Cormorant Garamond", serif;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .08em;
  text-align: center;
}

.page-subtitle {
  color: #9A9080;
  font-family: "Aktiv Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.5;
}

.page-text {
  margin: 0;
  color: #9A9080;
  font-family: "Aktiv Grotesk", sans-serif;
  line-height: 1.8;
  text-align: left;
}

/* --- Typography (Responsive) --- */
@media (min-width: 769px) {
  .kassa .page-subtitle {
    text-align: center;
  }
  .page-subtitle {
    margin: 0 0 40px;
    font-size: 20px;
  }
  .page-text {
    font-size: 20px;
  }
  .page-title-large {
    font-size: 72px;
    margin: 0 0 48px;
  }
  .page-title-moisturegel {
    font-size: 60px;
    margin: 0 0 48px;
  }
}

@media (max-width: 768px) {
  .page-subtitle {
    font-size: 16px;
    text-align: center;
  }

  .kassa .page-subtitle {
    text-align: center;
  }
  
  .page-text {
    font-size: 16px;
  }
  .page-title-large {
    font-size: 36px;
    margin: 0 0 24px;
  }
}

/* --- CTA Button --- */
.cta-button {
  display: block;
  margin: auto;
  padding: 12px 28px;
  border: 1px solid #C9A96E;
  border-radius: 3px;
  background: transparent;
  color: #C9A96E;
  font-family: "Aktiv Grotesk", sans-serif;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-align: center;
  transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}

@media (min-width: 769px) {
  .cta-button {
    width: 400px;
    font-size: 16px;
    margin: 60px auto;
  }
  .cta-button:hover {
    background: #C9A96E;
    color: #3D2B1A;
  }
}

@media (max-width: 768px) {
  .cta-button {
    font-size: 14px;
    margin: 0 40px;
  }
}

/* ==========================================================================
   Product Section
   ========================================================================== */
.product-image {
  width: 100%;
}

.product-image picture,
.product-image img {
  display: block;
  width: 100%;
}

.product-image img {
  height: auto;
}

.spec-item dt,
.spec-item dd,
.colon {
  margin: 0;
  color: #9A9080;
  font-family: "Aktiv Grotesk", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

/* --- Product PC --- */
@media (min-width: 769px) {
  .product-content {
    width: var(--inner-width);
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 60px;
    margin: 0 auto;
  }

  .product-image {
    margin-bottom: 48px;
  }

  .product-textarea {
    max-width: 42vw;
  }

  .product-divider {
    width: 1px;
    background: #D7CCC0;
    align-self: stretch;
    flex-shrink: 0;
  }
  
  .spec-list-kassa {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 26vw;
    margin: 0;
    padding-top: 132px;
  }

  .spec-list-gel {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 380px;
    margin: 0;
    padding-top: 312px;
  }

  .spec-item {
    display: grid;
    grid-template-columns: 170px 20px 1fr;
    align-items: start;
  }

  .spec-item dt {
    position: relative;
  }

  .spec-item dt::after {
    content: "：";
    position: absolute;
    right: 0px;
  }

  .spec-item dd {
    width: 200px;
  }
}

/* --- Product SP --- */
@media (max-width: 768px) {
  .product-section {
    margin-bottom: 64px;
  }

  .product-content {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .product-textarea {
    width: 100%;
    max-width: none;
    padding: 0 10% 10% 10%;
  }

  .product-divider {
    width: 90%;
    height: 1px;
    background: #D7CCC0;
    margin: 0 auto;
  }

  .spec-list-kassa,
  .spec-list-gel {
    width: 100%;
    max-width: none;
    padding: 10%;
  }

  .spec-item {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
  }

  .spec-item dt {
    position: relative;
  }

  .spec-item dt::after {
    content: "：";
    position: absolute;
    right: -12px;
  }

  .product-border {
    width: 85%;
  }
}

/* ==========================================================================
   TOP (Concept & Discover)
   ========================================================================== */
.concept-slide {
  position: relative;
  width: 100%;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.concept-slide.is-show {
  opacity: 1;
  transform: translateY(0);
}

.concept-slide img {
  display: block;
  width: 100%;
  height: auto;
}

.overlay-text {
  position: absolute;
  color: white;
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: var(--pc-title-size);
  line-height: 1.3;
  letter-spacing: .08em;
}

.discover {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}

.discover-inner {
  display: flex;
  flex-direction: column;
  padding: 40px;
}

.logo {
  text-align: center;
}

.logo img {
  height: auto;
  margin-left: 8px;
}

.discover-text {
  font-family: "Cormorant Garamond", serif;
}

.discover-link {
  display: block;
  color: var(--text);
  font-family: "Cormorant Garamond", serif;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.business-link {
  display: block;
  margin-top: auto;
  color: var(--sub);
  text-decoration: none;
}

/* --- TOP PC --- */
@media (min-width: 769px) {
  .position-01 { top: 80%; left: 6%; }
  .position-02 { top: 78%; right: 18%; }
  .position-03 { bottom: 14%; left: 10%; }
  .position-04 { bottom: 10%; left: 7%; }
  .position-05 { bottom: 12%; left: 65%; }

  .discover-inner { min-height: 100vh; }
  .logo img { width: 400px; }
  .discover-text { font-size: 32px; margin-top: 16vh; margin-bottom: 60px; }
  .discover-link { font-size: 24px; margin-top: 60px; }
  .business-link { font-size: 14px; }
}

/* --- TOP SP --- */
@media (max-width: 768px) {
  .overlay-text { font-size: var(--sp-title-size); }
  .position-01 { bottom: 6%; left: 6%; }
  .position-02 { left: 6%; bottom: 4%; }
  .position-03 { bottom: 6%; left: 10%; }
  .position-04 { bottom: 4%; left: 10%; }
  .position-05 { top: 16%; left: 12%; }

  .discover-inner { height: 70vh; }
  .logo { margin-top: 20px; }
  .logo img { width: 260px; }
  .discover-text { font-size: 20px; }
  .discover-link { font-size: 24px; margin-top: 70px; }
  .business-link { font-size: 14px; }
}

/* ==========================================================================
   COLLECTION
   ========================================================================== */
.collection-list {
  padding: 0 0 var(--section-space);
}

.collection-item {
  margin-bottom: var(--section-space);
}

.collection-item:last-child {
  margin-bottom: 0;
}

.collection-image img {
  width: 100%;
}

.collection-content {
  width: min(90%, 700px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.collection-content .page-title {
  margin-bottom: 32px;
}

.collection-content .page-subtitle {
  margin-bottom: 48px;
}

.collection-content .cta-button {
  margin: 0;
}

/* --- Collection Responsive --- */
@media (min-width: 769px) {
  .collection-content .page-title {
    font-size: 68px;
  }
}

/* --- PC用の基本スタイル --- */
.collection-content .page-title-g4u {
  color: #4B423A;
  font-family: "Cormorant Garamond", serif;
  font-size: 60px; /* PCサイズ */
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .08em;
  text-align: center;
  margin-bottom: 32px; /* 単位（px）を補完 */
}

/* --- SP（スマホ）用のスタイル --- */
@media (max-width: 768px) {
  .collection-content .page-title {
    margin-bottom: 0;
    font-size: 52px;
  }

  .collection-content .page-subtitle {
    margin-bottom: 16px;
  }

  /* 共通部分はPC用を引き継ぐため、変更点だけを記述 */
  .collection-content .page-title-g4u {
    font-size: 36px; /* SPサイズに上書き */
    margin-bottom: 0; /* SP余白に上書き */
  }
}

/*==================================================
Footer
==================================================*/

.footer{

    background:#4B423A;
    color:#F5F0EA;

    padding:100px 0 42px;

}

.footer-inner{

    width:90%;
    max-width:1200px;

    margin:0 auto;

    display:grid;

    grid-template-columns:28% 72%;

    gap:80px;

    align-items:start;

}

.footer-title{

    font-family:"Cormorant Garamond", serif;

    font-size:20px;

    font-weight:500;

    letter-spacing:.14em;

    text-transform:uppercase;

    margin:0 0 34px;

}

.footer p,
.footer a{

    font-family:"Aktiv Grotesk", sans-serif;

    font-size:15px;

    font-weight:300;

    line-height:2;

    letter-spacing:.03em;

}

.company-name{

    margin-bottom:18px;

}

.company-link{

    display:inline-flex;

    align-items:center;

    gap:8px;

    color:#C9A96E;

    text-decoration:none;

    transition:.35s;

}

.company-link:hover{

    opacity:.75;

}

.notice-space{

    margin-top:18px;

}

.footer-copy{

    width:90%;

    max-width:1200px;

    margin:72px auto 0;

    padding-top:30px;

    border-top:1px solid rgba(255,255,255,.15);

    text-align:center;

    font-family:"Aktiv Grotesk", sans-serif;

    font-size:13px;

    letter-spacing:.08em;

    color:rgba(245,240,234,.8);

}


/*==============================
SP
==============================*/

@media (max-width:768px){

.footer{

    padding:72px 0 34px;

}

.footer-inner{

    grid-template-columns:1fr;

    gap:56px;

}

.footer-title{

    font-size:24px;

    margin-bottom:22px;

}

.footer p,
.footer a{

    font-size:14px;

    line-height:1.9;

}

.footer-copy{

    margin-top:56px;

    padding-top:24px;

    font-size:12px;

}

}