:root{
  --ink:#1c1a19;
  --ink-soft:#5b5551;
  --line:#e4ded6;
  --bg:#fbf9f6;
  --tint:#f3efe9;
  --gold:#a98b54;
  --gold-dark:#8a7040;
  --max:1120px;
  --serif:"Cormorant Garamond",serif;
  --sans:"Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.9;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 48px,var(--max));margin-inline:auto}

/* header */
.header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,249,246,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo__mark{
  display:block;font-family:var(--serif);font-size:26px;letter-spacing:.14em;line-height:1.1;
}
.logo__sub{display:block;font-size:8.5px;letter-spacing:.2em;color:var(--ink-soft)}
.nav{display:flex;align-items:center;gap:28px;font-size:13px;letter-spacing:.06em}
.nav a{position:relative;padding-block:4px}
.nav a:not(.nav__cta)::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .3s;
}
.nav a:not(.nav__cta):hover::after{width:100%}
.nav__cta{
  border:1px solid var(--gold);color:var(--gold-dark);
  padding:9px 20px !important;border-radius:999px;transition:.3s;
}
.nav__cta:hover{background:var(--gold);color:#fff}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:22px;height:1px;background:var(--ink);transition:.3s}

/* hero */
.hero{position:relative;min-height:calc(100svh - 100px);display:flex;align-items:center;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(60% 55% at 78% 28%,rgba(169,139,84,.22),transparent 70%),
    radial-gradient(45% 45% at 18% 78%,rgba(120,140,160,.18),transparent 70%),
    linear-gradient(160deg,#fdfcfa 0%,#f1ece4 55%,#e8e2d8 100%);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    conic-gradient(from 210deg at 76% 34%,transparent 0deg,rgba(255,255,255,.75) 26deg,transparent 52deg,rgba(169,139,84,.35) 120deg,transparent 170deg,rgba(255,255,255,.6) 250deg,transparent 300deg);
  mask:radial-gradient(38% 38% at 76% 34%,#000 0%,transparent 72%);
  -webkit-mask:radial-gradient(38% 38% at 76% 34%,#000 0%,transparent 72%);
}
.hero__inner{position:relative;padding-block:96px}
.hero__en{font-family:var(--serif);font-size:15px;letter-spacing:.24em;color:var(--gold-dark);margin-bottom:22px}
.hero__title{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(32px,4.8vw,62px);line-height:1.32;letter-spacing:.05em;margin-bottom:26px;
}
.hero__lead{font-size:15px;color:var(--ink-soft);margin-bottom:40px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}
.hero__scroll{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  font-size:10px;letter-spacing:.3em;color:var(--ink-soft);display:grid;justify-items:center;gap:8px;
}
.hero__scroll span{width:1px;height:46px;background:linear-gradient(var(--gold),transparent)}

.btn{
  display:inline-block;font-size:13px;letter-spacing:.12em;
  padding:15px 34px;border-radius:999px;transition:.3s;border:1px solid transparent;
}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--gold-dark)}
.btn--ghost{border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}

/* section */
.section{padding-block:104px}
.section--tint{background:var(--tint)}
.section__en{font-family:var(--serif);font-size:13px;letter-spacing:.3em;color:var(--gold-dark);text-transform:uppercase}
.section__title{
  font-size:clamp(24px,3.4vw,34px);font-weight:400;letter-spacing:.1em;
  margin:6px 0 52px;position:relative;padding-bottom:20px;
}
.section__title::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:1px;background:var(--gold)}

/* about */
.about{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:start}
.about__text p+p{margin-top:20px}
.about__points{list-style:none;display:grid;gap:18px}
.about__points li{
  background:#fff;border:1px solid var(--line);border-radius:4px;padding:22px 24px;
  font-size:13.5px;color:var(--ink-soft);
}
.about__points span{display:block;font-family:var(--serif);color:var(--gold);letter-spacing:.2em;font-size:13px}
.about__points strong{display:block;font-weight:500;color:var(--ink);margin-bottom:4px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:34px 30px;transition:.3s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(28,26,25,.07)}
.card__num{font-family:var(--serif);font-size:15px;letter-spacing:.2em;color:var(--gold);margin-bottom:14px}
.card h3{font-size:16px;font-weight:500;letter-spacing:.05em;margin-bottom:12px}
.card p{font-size:13.5px;color:var(--ink-soft);line-height:1.85}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.gallery__item figcaption{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-top:12px;font-size:13.5px;letter-spacing:.06em;
}
.gallery__item figcaption span{font-family:var(--serif);font-size:11px;letter-spacing:.16em;color:var(--ink-soft)}
.ph{aspect-ratio:4/3;border-radius:3px;position:relative;overflow:hidden}
.ph::after{
  content:"";position:absolute;inset:0;
  background:conic-gradient(from 45deg,rgba(255,255,255,.55),transparent 30%,rgba(255,255,255,.35) 60%,transparent 85%);
  mix-blend-mode:screen;
}
.ph--1{background:linear-gradient(140deg,#cfd6dc,#9fa9b4)}
.ph--2{background:linear-gradient(140deg,#d8c6d6,#9d7e9c)}
.ph--3{background:linear-gradient(140deg,#e6d6bc,#bd9d6c)}
.ph--4{background:linear-gradient(140deg,#c9d8cf,#87a394)}
.ph--5{background:linear-gradient(140deg,#e2cfc7,#b79187)}
.ph--6{background:linear-gradient(140deg,#dcdcea,#9fa0c2)}
.note{margin-top:22px;font-size:12px;color:var(--ink-soft)}

/* table */
.table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line)}
.table th,.table td{padding:18px 22px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{width:200px;font-weight:500;background:#fdfbf8;letter-spacing:.06em}
.table tr:last-child th,.table tr:last-child td{border-bottom:0}

/* contact */
.contact{text-align:center}
.contact .section__title{display:inline-block;padding-inline:0}
.contact .section__title::after{left:50%;transform:translateX(-50%)}
.contact__lead{color:var(--ink-soft);font-size:14.5px;margin-bottom:34px}

/* footer */
.footer{background:var(--ink);color:#e9e4dd;padding-block:44px}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.logo--footer .logo__sub{color:#9c948b}
.footer small{font-size:11.5px;letter-spacing:.06em;color:#9c948b}

@media (max-width:820px){
  .about{grid-template-columns:1fr;gap:34px}
  .nav{
    position:fixed;inset:76px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--bg);border-bottom:1px solid var(--line);
    padding:8px 24px 24px;display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line)}
  .nav__cta{text-align:center;margin-top:18px;border-bottom:1px solid var(--gold) !important}
  .nav__toggle{display:flex}
  .section{padding-block:74px}
}

/* ===== philosophy（ICHICARAに込めた想い） ===== */
.philosophy{
  position:relative;
  color:#f4efe7;
  padding-block:110px;
  overflow:hidden;
}
.philosophy__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(70% 90% at 80% 10%,rgba(169,139,84,.35),transparent 65%),
    radial-gradient(60% 80% at 10% 90%,rgba(169,139,84,.18),transparent 65%),
    linear-gradient(150deg,#26231f 0%,#1c1a19 60%,#151312 100%);
}
.philosophy__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 42%,rgba(255,255,255,.07) 50%,transparent 58%);
}
.philosophy__inner{position:relative;text-align:center}
.philosophy__en{
  font-family:var(--serif);font-size:13px;letter-spacing:.34em;
  text-transform:uppercase;color:#cdae76;
}
.philosophy__title{
  font-size:clamp(26px,4.2vw,40px);font-weight:400;letter-spacing:.14em;
  margin:14px 0 18px;
}
.philosophy__title::after{
  content:"";display:block;width:56px;height:1px;margin:26px auto 0;
  background:linear-gradient(90deg,transparent,#cdae76,transparent);
}
.philosophy__list{
  list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  margin-top:54px;text-align:center;
}
.philosophy__list li{
  border:1px solid rgba(205,174,118,.28);
  background:rgba(255,255,255,.035);
  border-radius:4px;padding:40px 26px;
  transition:.35s;
}
.philosophy__list li:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(205,174,118,.55);
  transform:translateY(-4px);
}
.philosophy__mark{
  display:flex;align-items:baseline;justify-content:center;
  width:62px;height:62px;margin:0 auto 22px;
  border:1px solid rgba(205,174,118,.5);border-radius:50%;
  font-family:var(--serif);font-size:26px;line-height:62px;
  letter-spacing:.02em;color:#d8bb85;
}
.philosophy__mark small{font-size:11px;letter-spacing:.06em;margin-left:2px}
.philosophy__list p{
  font-size:clamp(15px,1.5vw,17px);font-weight:400;line-height:1.95;letter-spacing:.06em;
  text-wrap:balance;
}

@media (max-width:820px){
  .philosophy{padding-block:76px}
  .philosophy__title{font-size:clamp(21px,5.6vw,28px);letter-spacing:.06em}
  .philosophy__list{grid-template-columns:1fr;gap:18px;margin-top:40px}
  .philosophy__list li{padding:30px 22px;display:flex;align-items:center;gap:20px;text-align:left}
  .philosophy__mark{margin:0;flex:0 0 52px;width:52px;height:52px;font-size:22px;line-height:52px}
}

/* ===== ロゴ画像 ===== */
.logo__img{
  display:block;height:40px;width:auto;margin-bottom:2px;
}
.logo--footer .logo__img{height:32px}
.hero__logo{
  width:min(330px,60vw);height:auto;margin-bottom:26px;
}
@media (max-width:820px){
  .logo__img{height:28px}
  .hero__logo{width:min(260px,66vw);margin-bottom:20px}
}

.br-sp{display:none}
@media (max-width:820px){.br-sp{display:inline}}

.contact__actions{justify-content:center}
.table td a{border-bottom:1px solid var(--line);transition:.3s}
.table td a:hover{color:var(--gold-dark);border-color:var(--gold)}

/* ===== NEWS ===== */
.news-list{list-style:none;border-top:1px solid var(--line)}
.news-list__item{border-bottom:1px solid var(--line)}
.news-list__link{
  display:grid;grid-template-columns:120px 1fr 24px;align-items:baseline;gap:18px;
  padding:22px 6px;transition:.3s;
}
.news-list__link:hover{background:rgba(255,255,255,.7)}
.news-list__date{
  font-family:var(--serif);font-size:14px;letter-spacing:.12em;color:var(--gold-dark);
}
.news-list__title{font-size:15px;line-height:1.8}
.news-list__arrow{
  justify-self:end;color:var(--gold);font-size:13px;transition:transform .3s;
}
.news-list__link:hover .news-list__arrow{transform:translateX(4px)}
.news-more{margin-top:40px;text-align:center}

.pager{display:flex;justify-content:center;gap:10px;margin-top:40px}
.pager__item{
  min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:999px;font-size:13px;transition:.3s;background:#fff;
}
.pager__item:hover{border-color:var(--gold);color:var(--gold-dark)}
.pager__item.is-current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 下層ページ（NEWS一覧・詳細） */
.page-head{padding-top:72px}
.article{max-width:760px}
.article__date{
  display:block;font-family:var(--serif);font-size:14px;letter-spacing:.12em;
  color:var(--gold-dark);margin:6px 0 10px;
}
.article__title{
  font-size:clamp(22px,3vw,30px);font-weight:400;letter-spacing:.06em;line-height:1.6;
  padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:34px;
}
.article__body{font-size:15.5px;line-height:2.05}

@media (max-width:820px){
  .news-list__link{grid-template-columns:1fr 20px;gap:6px 14px;padding:18px 4px}
  .news-list__date{grid-column:1 / -1}
  .news-list__arrow{align-self:center}
  .page-head{padding-top:56px}
}

/* 下層ページでもフッターを最下部に */
body{min-height:100svh;display:flex;flex-direction:column}
main{flex:1 0 auto}
.footer{flex-shrink:0}

/* ===== ヒーローのキービジュアル（自動切替） ===== */
.hero__inner{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.86fr);
  align-items:center;gap:36px;
}
.hero__text{min-width:0}

.kv{
  position:relative;width:100%;aspect-ratio:1/1;
  max-width:560px;margin-inline:auto;
}
.kv::before{
  content:"";position:absolute;inset:-6%;
  background:radial-gradient(closest-side,rgba(255,255,255,.85),rgba(255,255,255,0) 72%);
  pointer-events:none;
}
.kv__img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;
  opacity:0;transform:scale(1.03);
  transition:opacity 1.2s ease, transform 6s ease-out;
  will-change:opacity;
}
.kv__img.is-active{opacity:1;transform:scale(1)}

@media (max-width:900px){
  .hero{min-height:auto}
  .hero__inner{grid-template-columns:1fr;gap:18px;padding-block:52px 44px}
  .hero__logo{width:min(230px,58vw);margin-bottom:16px}
  .hero__lead{margin-bottom:30px}
  .kv{max-width:min(320px,70vw);order:2}
  .hero__text{order:1}
  .hero__scroll{display:none}
}
@media (prefers-reduced-motion: reduce){
  .kv__img{transition:opacity .4s linear;transform:none}
  .kv__img.is-active{transform:none}
}

/* 取扱いアイテム：画像準備中のプレースホルダ */
.ph{display:grid;place-items:center}
.ph__label{
  position:relative;z-index:1;
  font-family:var(--serif);font-size:15px;letter-spacing:.2em;
  color:rgba(255,255,255,.95);text-shadow:0 1px 6px rgba(0,0,0,.22);
  padding:8px 18px;border:1px solid rgba(255,255,255,.65);border-radius:999px;
  background:rgba(255,255,255,.14);backdrop-filter:blur(2px);
}

/* ===== 「ICHICARA」の輝き ===== */
.shine-wrap{position:relative;display:inline-block}
.shine{position:relative;display:inline-block}

/* 1文字ずつ。金属質のグラデーションをゆっくり循環させる */
.shine__ch{
  display:inline-block;
  background-image:linear-gradient(176deg,
    #fffdf8 0%, #f7eedd 22%, #e5d2b1 44%,
    #fffaf0 58%, #ede0c9 78%, #fbf5ea 100%);
  background-size:100% 320%;
  background-position:0 20%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}

/* 小さな星のきらめき（位置・大きさ・間隔は HTML 側で指定） */
.spark{
  position:absolute;display:block;pointer-events:none;
  opacity:0;transform:scale(.1) rotate(0deg);
  background:
    radial-gradient(closest-side,rgba(255,255,255,.95),rgba(255,250,235,.3) 36%,rgba(255,255,255,0) 72%),
    conic-gradient(from 0deg,
      rgba(255,255,255,0) 0deg,  rgba(255,255,255,1) 4deg,  rgba(255,255,255,0) 9deg,
      rgba(255,255,255,0) 81deg, rgba(255,255,255,1) 90deg, rgba(255,255,255,0) 99deg,
      rgba(255,255,255,0) 171deg,rgba(255,255,255,1) 180deg,rgba(255,255,255,0) 189deg,
      rgba(255,255,255,0) 261deg,rgba(255,255,255,1) 270deg,rgba(255,255,255,0) 279deg);
  filter:drop-shadow(0 0 8px rgba(255,245,220,1)) drop-shadow(0 0 16px rgba(255,228,170,.55));
}

/* ===== 再生：画面に入ったときだけ ===== */

/* 文字が1字ずつ立ち上がり、以降はゆっくり艶が流れる */
.philosophy.is-shining .shine__ch{
  animation:
    ic-letter .9s cubic-bezier(.16,.8,.24,1) backwards,
    ic-sheen  9s  ease-in-out infinite;
  animation-delay:
    calc(var(--i) * 70ms),
    calc(1.0s + var(--i) * 40ms);
}
@keyframes ic-letter{
  from{opacity:0;transform:translateY(.3em) scale(.94);filter:blur(7px)}
  60% {opacity:1}
  to  {opacity:1;transform:none;filter:blur(0)}
}
@keyframes ic-sheen{
  0%,100%{background-position:0 20%}
  50%    {background-position:0 80%}
}

/* きらめきは各自のタイミングで瞬く（duration/delay は HTML 側） */
.philosophy.is-shining .spark{
  animation-name:ic-twinkle;
  animation-iteration-count:infinite;
  animation-timing-function:ease-in-out;
}
@keyframes ic-twinkle{
  0%,100%{opacity:0;transform:scale(.08) rotate(0deg)}
  8%     {opacity:1;transform:scale(1)    rotate(20deg)}
  15%    {opacity:.4;transform:scale(.62) rotate(32deg)}
  22%    {opacity:.95;transform:scale(.9) rotate(44deg)}
  36%    {opacity:0;transform:scale(.15)  rotate(64deg)}
}

@media (prefers-reduced-motion: reduce){
  .philosophy.is-shining .shine__ch,
  .philosophy.is-shining .spark{animation:none}
  .shine__ch{background-image:none;color:#f4efe7;-webkit-text-fill-color:#f4efe7}
  .spark{display:none}
}

/* ===== お問い合わせフォーム ===== */
.form{
  max-width:680px;margin:0 auto;text-align:left;
  display:grid;gap:22px;
}
.form__row{display:grid;gap:8px}
.form__cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.form__label{
  font-size:13px;letter-spacing:.08em;color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.form__req{
  font-size:10px;letter-spacing:.1em;color:#fff;background:var(--gold);
  padding:3px 8px;border-radius:2px;
}
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form textarea{
  font-family:inherit;font-size:15px;line-height:1.8;color:var(--ink);
  width:100%;padding:13px 16px;background:#fff;
  border:1px solid var(--line);border-radius:3px;
  transition:border-color .25s, box-shadow .25s;
}
.form textarea{resize:vertical;min-height:150px}
.form input:focus,.form textarea:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(169,139,84,.14);
}
.form__actions{text-align:center;margin-top:6px}
.form__actions .btn{cursor:pointer;border:0;font-family:inherit}
.form__note{
  text-align:center;font-size:12.5px;color:var(--ink-soft);
}
.form__note a{border-bottom:1px solid var(--line)}
.form__note a:hover{color:var(--gold-dark);border-color:var(--gold)}

/* 自動送信対策（画面には出さない） */
.form__trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-error{
  max-width:680px;margin:0 auto 26px;text-align:left;list-style:none;
  background:#fdf1ef;border:1px solid #edcdc8;color:#a8463c;
  padding:16px 20px;border-radius:4px;font-size:13.5px;line-height:1.9;
}

@media (max-width:820px){
  .form__cols{grid-template-columns:1fr;gap:22px}
}