/* ============================================================
   Base
============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&family=Noto+Sans+JP:wght@300;400&display=swap');

:root {
  --gold:    #bfab88;
  --gold-lt: #b59866;
  --gold-ex: #c7a780;
  --dark:    #1a1a1a;
  --navy:    #1a2340;
  --navy-dk: #161e2b;
  --white:   #ffffff;
  --cream:   #f8f8f8;
  --gray:    #ebebeb;
  --text:    #333333;
  --serif: 'Noto Serif JP', serif;
  --sans:  'Noto Sans JP', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--serif);
  color: var(--dark);
  background: var(--white);
  line-height: 1.8;
  overscroll-behavior: none;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============================================================
   Header
============================================================ */
#header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1060;
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .4s ease, padding .4s ease, box-shadow .4s ease;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  padding-right: 100px;
}

#header.scrolled {
  background: rgba(255,255,255,.97);
  padding: 14px 48px;
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
}

.header-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo img {
  height: 68px;
  width: auto;
  transition: opacity .3s;
}

.logo-white { display: block; }
.logo-black { display: none; }

#header.scrolled .logo-white { display: none; }
#header.scrolled .logo-black { display: block; }

/* PC Nav */
.header-nav { display: flex; align-items: center; gap: 36px; }

.header-nav a {
  font-family: var(--serif);
  font-size: .95rem;
  font-weight: 400;
  letter-spacing: .15em;
  color: var(--white);
  position: relative;
  transition: color .3s;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s;
}

.header-nav a:hover::after { width: 100%; }

#header.scrolled .header-nav a { color: var(--dark); }

/* Hamburger */
.hamburger {
  position: fixed;
  top: 52px;
  right: 48px;
  transform: translateY(-50%);
  transition: top .4s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  z-index: 8200;
}

.hamburger span {
  display: block;
  width: 30px; height: 1px;
  background: var(--white);
  transition: all .35s ease;
}

#header.scrolled ~ .hamburger span { background: var(--dark); }
#header.scrolled ~ .hamburger { top: 48px; }
.hamburger.open span { background: var(--dark); }

.hamburger.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* Drawer */
.drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(340px, 100vw);
  height: 100vh;
  background: var(--white);
  z-index: 8100;
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(.77,0,.175,1);
  overflow-y: auto;
  padding: 100px 48px 60px;
}

.drawer.open { transform: translateX(0); }

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 8000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s;
}

.drawer-overlay.open { opacity: 1; pointer-events: all; }
.drawer-nav { display: flex; flex-direction: column; gap: 0; }
.drawer-nav .drawer-section { margin-bottom: 28px; }

.drawer-nav .drawer-parent {
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--dark);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.drawer-nav .drawer-parent::before {
  content: '→';
  color: var(--gold);
  font-size: .75rem;
}

.drawer-nav .drawer-children { display: flex; flex-direction: column; gap: 8px; padding-left: 20px; }
.drawer-nav .drawer-children a {
  font-size: .8rem;
  color: #666;
  letter-spacing: .05em;
  transition: color .2s;
}

.drawer-nav .drawer-children a:hover { color: var(--gold); }

/* ============================================================
   MV
============================================================ */
#mv {
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.mv-bg {
  position:absolute;
  inset:0;
  background: url('../images/mv_bg.jpg') center center / cover no-repeat;
  z-index: 0;
}

.mv-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 10%;
}

.mv-copy {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  color: var(--white);
}

.mv-copy-divider {
  width: 2px;
  flex-shrink: 0;
  background-color:#69624d;
  margin-right: 24px;
}

.mv-sub {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--serif);
  font-size: clamp(.95rem, 1.3vw, 1.25rem);
  letter-spacing: .3em;
  color: #fff;
  font-weight: 500;
  white-space: nowrap;
  margin-right: 40px;
}

.mv-copy h1 {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: clamp(1.9rem, 3.1vw, 2.7rem);
  font-weight: 300;
  letter-spacing: .3em;
  line-height: 1.6;
  white-space: nowrap;
}

.mv-right {
  position: absolute;
  right: 3.5%;
  bottom: 3.5%;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 16px;
  width: clamp(180px, 20vw, 240px);
}

.mv-map {
position: absolute;
right: 0;
bottom:0;
width: clamp(180px, 20vw, 240px);
object-fit: contain;
}

.mv-flag-wrap {
position: absolute;
right: 0;
bottom:0;
display: flex;
flex-direction: column;
align-items: center;
gap: 8px;
}

.mv-flag {
  width: clamp(38px, 3.4vw, 52px);
}

.mv-tagline {
  color: rgba(255,255,255,1);
  letter-spacing: .1em;
  white-space: nowrap;
  font-size: clamp(.8rem, 1vw, .95rem);
}


/* ============================================================
   Section Common
============================================================ */
.section-label {
  font-size: .9rem;
  letter-spacing: .25em;
  color: var(--gold);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  letter-spacing:8px;
  line-height: 1.4;
}

.section-divider {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 20px auto 0;
}

.section-desc {
  font-size: 1rem;
  color: #333;
  letter-spacing:2px;
  line-height: 2;
  margin-top: 40px;
}

.btn-outline_l {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 32px;
  margin: 30px 0 0 0;
  max-width: 400px;
  min-width: 300px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: .12em;
  transition: background .3s, color .3s;
}
.btn-outline_l::after { content: '→'; }
.btn-outline_l:hover { background: var(--gold); color: var(--white); }

.btn-outline_c {
  display: inline-flex;
  align-items: center;
  justify-content:center;
  text-align: center;
  position: relative;
  padding: 20px 32px;
  max-width: 400px;
  min-width: 300px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: .12em;
  transition: background .3s, color .3s;
}
.btn-outline_c::after {
position: absolute;
right: 32px;
content: '→';
}
.btn-outline_c:hover { background: var(--gold); color: var(--white); }

/* ============================================================
   About
============================================================ */
#about {
  background: var(--cream);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.about-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

.about-title-v {
  writing-mode: vertical-rl;
  font-size: clamp(2rem, 2.5vw, 3.2rem);
  font-weight:600;
  letter-spacing: .3em;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 40px;
}

.about-map {
  width: min(600px, 120%);
  opacity: 1;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
}

div.about-label-bg {
font-size: clamp(2.5rem, 5.5vw, 4.5rem);
font-weight: 700;
color: rgba(143,115,54,.08);
letter-spacing: .1em;
position: absolute;
bottom: -40px;
left: 50%;
transform: translateX(-50%);
white-space: nowrap;
pointer-events: none;
font-family: var(--serif);
}
p.about-label-bg {
bottom:-50px;font-size:clamp(1rem,2vw,1.1rem);
color:rgba(143,115,54,.35);
letter-spacing:.25em;
font-family: var(--serif);
position: absolute;
bottom: -50px;
left: 50%;
transform: translateX(-50%);
white-space: nowrap;
pointer-events: none;
}

.about-left-wrap {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 40px 0;
    font-family: var(--serif);
}

.about-right { position: relative; z-index: 1; }

.about-right h3 {
  font-size: clamp(1.2rem, 2.1vw, 1.6rem);
  font-weight: 500;
  letter-spacing: .15em;
  margin-bottom: 28px;
}

.about-right p {
  font-size: 1rem;
  color: #555;
  line-height: 2.2;
  margin-bottom: 16px;
  letter-spacing: .06em;
}

.about-right .btn-outline { margin-top: 36px; }

/* ============================================================
   Activity
============================================================ */
#activity {
background-image: url("../images/pattern_bg01.jpg");
background-size:125px;
position: relative;
padding: 120px 0;
}

.activity-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 ;
}

.activity-header { text-align: center; margin-bottom: 64px; }

.activity-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  padding: 0 50px;
  margin-bottom: 56px;
}

.activity-card {
  display: flex;
  align-items: center;
  background: var(--white);
  overflow: hidden;
  transition: box-shadow .3s;
  cursor: pointer;
}

.activity-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,.1); }

.activity-card-img {
  width: 45%;
  aspect-ratio: 4/3;
  overflow: hidden;
  flex-shrink: 0;
}

.activity-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.activity-card:hover .activity-card-img img { transform: scale(1.05); }

.activity-card-body {
flex: 1;
padding:0 40px;
position: relative;
}

.activity-card-num {
position: absolute;
top:-35px;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: .2em;
  font-weight: 600;
}

.activity-card-title {
  font-size: clamp(1.0rem, 1.5vw, 1.2rem);
  font-weight: 600;
  letter-spacing: .12em;
  color: :#333;
  border-left:1px solid var(--gold);
  margin: 0 0 0 10px;
  padding: 5px 0 5px 20px;
}

.activity-card-arrow {
  color: var(--gold);
  margin-left: auto;
  font-size: 1.3rem;
  padding-right: 28px;
}

.activity-footer { text-align: center; }

/* ============================================================
   News
============================================================ */
#news {
  background: var(--cream);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.news-kiku {
  position: absolute;
  right:5%; top: 80px;
  width: min(350px, 45vw);
  opacity: 1;
  pointer-events: none;
}

.news-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
  position: relative;
  z-index: 1;
}

.news-header { text-align: center; margin-bottom: 60px; }

.news-list { margin-bottom: 56px; }

.news-item a{
  display: flex;
  align-items: center;
  gap: 24px;
  padding:40px;
  background-color: #fff;
  transition: opacity .3s;
  margin: 0 0 5px 0;
}

.news-item a:hover { opacity: .7; }

.news-date {
  font-size: .9rem;
  color: var(--gold);
  letter-spacing:0;
  white-space: nowrap;
  min-width: 90px;
}

.news-cat {
  font-size: .8rem;
  min-width: 150px;
  letter-spacing: 3px;
  background-color: #f3efe7;
  padding: 10px 10px;
  white-space: nowrap;
  color: #8f7336;
  text-align: center;
}

.news-title {
  font-size: 1rem;
  letter-spacing: .05em;
  flex: 1;
  color: var(--dark);
}

.news-arrow {
  color: var(--gold);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.news-footer { text-align: center; }

/* ============================================================
   SNS
============================================================ */
#sns {
  background: var(--gray);
  padding: 100px 0;
}

.sns-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
  display: flex;
  align-items: center;
  gap: 60px;
}

.sns-left {
text-align: center;
max-width: 30%;
}

.sns-grid {
  display: flex;
  gap: 16px;
  flex: 1;
border-left:1px solid var(--gold-ex);
padding: 0 0 0 60px;
}

.sns-card {
  flex: 1;
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 30px 15px;
  transition: box-shadow .3s, transform .3s;
  cursor: pointer;
}

.sns-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); transform: translateY(-4px); }

.sns-card img { width: 65px; height: 65px; object-fit: contain; }

.sns-card span {
  
  font-size: .72rem;
  letter-spacing: .1em;
  color: #333;
}

/* ============================================================
   CTA
============================================================ */
#cta {
background-image: url("../images/pattern_bg02.jpg");
background-size:125px;
position: relative;
padding: 120px 0;
}

.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 50px;
  position: relative;
  z-index: 1;
}

.cta-header { text-align: center; margin-bottom: 60px; color: var(--white); }

.cta-header .section-label { color: var(--gold-lt); }
.cta-header .section-title { color: var(--white); }

.cta-header p {
  margin-top: 40px;
  line-height: 2;
  letter-spacing:2px;
}

.cta-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.cta-card {
  border: 1px solid rgba(143,115,54,.6);
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px 35px;
  color: var(--white);
  transition: background .3s, border-color .3s;
}

.cta-card:hover { background: rgba(143,115,54,.1); border-color: var(--gold); }

.cta-card img { width: 70px; }

.cta-card-divider { width: 1px; height: 65px; background: var(--gold);  }

.cta-card-text { flex: 1; }

.cta-card-text h4 {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing:5px;
  margin-bottom: 6px;
}

.cta-card-text p {
  color:#fff;
  letter-spacing:2px;
}

.cta-card-arrow { color: var(--gold-lt); font-size: 1.4rem; }

/* ============================================================
   Footer
============================================================ */
#footer {
  background: var(--navy-dk);
  position: relative;
  overflow: hidden;
}

.footer-bg {
  position: absolute;
  inset: 0;
  background: url('../images/footer_bg.jpg') center bottom / 100% no-repeat;
  opacity: .8;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 50px 120px;
}

.footer-top {
  text-align: center;
}

.footer-top p {
font-size: 0.9em;
  letter-spacing: .2em;
  color:#fff;
  margin-bottom: 20px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.footer-logo img { height:70px; width: auto; }


.footer-divider {
  width: 100px;
  height: 1px;
  margin: 40px auto;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--gold) 50%,
    transparent 100%
  );
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding:30px 0;
}

.footer-nav-col {}

.footer-nav-parent {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: 10px;
}

.footer-nav-parent::before { content: '→'; color: var(--gold); font-size: .9rem; }

.footer-nav-children { display: flex; flex-direction: column; gap: 10px; }

.footer-nav-children a {
  font-size: .8rem;
  color:#fff;
  letter-spacing: .06em;
  transition: color .2s;
  padding: 0 0 0 28px;
}

.footer-nav-children a:hover { color: var(--gold-lt); }

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 50px;
  padding: 60px 0 30px 0;
}

.footer-sns a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap:  10px;
  transition: opacity .3s;
}

.footer-sns a:hover { opacity: .7; }
.footer-sns img { width: 50px; object-fit: contain; }

.footer-sns span {
font-size: .65rem;
letter-spacing: .1em;
color: var(--gold-lt);
}


.footer-c_divider {
  width: 60%;
  height: 1px;
  margin: 40px auto;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--gold) 50%,
    transparent 100%
  );
}

.footer-copy {
  text-align: center;
  padding: 0px 0;
}

.footer-copy p {
font-size: .6rem;
letter-spacing: .15em;
color: var(--gold-lt);
}

/* ============================================================
   Back to Top
============================================================ */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px; height: 60px;
  background: var(--navy);
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .4s, transform .4s, background .3s;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
}

#back-to-top.visible { opacity: 1; transform: translateY(0); }
#back-to-top:hover { background: var(--gold); }
#back-to-top:hover svg path { stroke: var(--white); }

#back-to-top svg { width: 24px; height: 24px; }
#back-to-top svg path { stroke: var(--gold); stroke-width: 1.5; fill: none; }