@charset "utf-8";
/* =========================================================================
   éternel — Bridal Jewelry
   Faithful reproduction base: ith (ateliermarriage.com)
   Palette α: 象牙 × 墨 × シャンパン金 × 宵闇ネイビー差し色
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400;1,500&family=Julius+Sans+One&family=Zen+Old+Mincho:wght@400;500;700;900&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{line-height:1.9;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img,svg,video{display:block;max-width:100%;height:auto}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,h5{font-weight:inherit;line-height:1.4}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- tokens ---------- */
:root{
  /* fonts */
  --serif-ja:"Zen Old Mincho","Hiragino Mincho ProN","游明朝","Yu Mincho",serif;
  --serif-en:"Cormorant Garamond","Times New Roman",var(--serif-ja);
  --label-en:"Julius Sans One",var(--serif-en);
  --sans-ja:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans","游ゴシック",Meiryo,sans-serif;

  /* palette α */
  --ivory:#F6F2EA;
  --ivory-2:#EFE8DA;      /* 一段濃い象牙（面の切替）*/
  --ivory-3:#E9E1CF;
  --ink:#1A1A1A;          /* 墨（見出し）*/
  --text:#4D4D4D;         /* 本文（ith継承の柔らかいダーク）*/
  --text-mid:#7B7264;     /* キャプション・補助 */
  --gold:#A88A5C;         /* シャンパン金（主アクセント）*/
  --gold-deep:#8A6E40;    /* 濃い金（hover/線）*/
  --gold-pale:#C9B189;
  --navy:#2A3F52;         /* 宵闇ネイビー（差し色・石の神秘）*/
  --navy-deep:#1B2A38;    /* ダーク面 */
  --navy-2:#22384A;
  --border:#D9D0BE;       /* 象牙に合う細枠 */
  --border-soft:#E4DCCB;

  /* layout（ith実値）*/
  --contents-max:1000px;
  --contents-narrow:800px;
  --contents-wide:1180px;
  --pad:24px;
  --pad-lg:40px;
  --marginal:1920px;
  --header-h:76px;
  --header-h-sp:60px;

  /* motion（ith実値）*/
  --dur:.3s;
  --dur-slow:.8s;
  --ease:cubic-bezier(0.65,0.05,0.36,1);
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --parallax-move:30px;
}

/* ---------- base ---------- */
body{
  font-family:var(--sans-ja);
  font-weight:400;
  font-size:15px;
  color:var(--text);
  background:var(--ivory);
  letter-spacing:.04em;
  overflow-x:hidden;
  word-break:normal;
  overflow-wrap:anywhere;
  line-break:strict;
}
::selection{background:rgba(168,138,92,.22);color:var(--ink)}

.wrap{width:100%;max-width:var(--contents-max);margin-inline:auto;padding-inline:var(--pad)}
.wrap--narrow{max-width:var(--contents-narrow)}
.wrap--wide{max-width:var(--contents-wide)}
@media(min-width:900px){.wrap{padding-inline:var(--pad-lg)}}

.u-serif{font-family:var(--serif-ja)}
.u-en{font-family:var(--serif-en)}
.u-gold{color:var(--gold)}

/* section rhythm */
.section{padding-block:clamp(76px,11vw,140px);position:relative}
.section--tight{padding-block:clamp(56px,8vw,96px)}
.section--ivory2{background:var(--ivory-2)}
.section--dark{background:var(--navy-deep);color:#E8E3D8}

/* =========================================================================
   section heading（ith構造：ラテン + 和明朝。éternelは思想を主役に）
   ========================================================================= */
.sec-head{text-align:center;margin-bottom:clamp(40px,5vw,64px)}
.sec-head__en{
  display:block;
  font-family:var(--label-en);
  font-size:11px;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--gold);
  margin-left:.42em;
}
.sec-head__en::before{content:"";display:inline-block;width:26px;height:1px;background:var(--gold);vertical-align:middle;margin-right:14px;transform:translateY(-2px)}
.sec-head__en::after{content:"";display:inline-block;width:26px;height:1px;background:var(--gold);vertical-align:middle;margin-left:14px;transform:translateY(-2px)}
.sec-head__ja{
  font-family:var(--serif-ja);
  font-weight:500;
  color:var(--ink);
  font-size:clamp(24px,4.2vw,38px);
  line-height:1.5;
  letter-spacing:.08em;
  margin-top:20px;
}
.sec-head__lead{
  margin-top:24px;font-size:14.5px;line-height:2.15;color:var(--text);
}
.section--dark .sec-head__ja{color:#F3EFE4}
.section--dark .sec-head__lead{color:#CFC8B8}
.sec-head.-left{text-align:left}
.sec-head.-left .sec-head__en::before{display:none}

/* =========================================================================
   buttons（ith c-button 系を éternel に）
   ========================================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.9em;
  font-family:var(--label-en);letter-spacing:.24em;text-transform:uppercase;
  font-size:12px;line-height:1;
  padding:19px 42px;
  border:1px solid var(--ink);color:var(--ink);
  background:transparent;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
  position:relative;
}
.btn__ja{font-family:var(--sans-ja);letter-spacing:.14em;font-size:12.5px;font-weight:500}
.btn:hover{background:var(--ink);color:var(--ivory)}
.btn.-primary{background:var(--gold);border-color:var(--gold);color:#fff}
.btn.-primary:hover{background:var(--gold-deep);border-color:var(--gold-deep)}
.btn.-ghost-light{border-color:rgba(255,255,255,.5);color:#F3EFE4}
.btn.-ghost-light:hover{background:#F3EFE4;color:var(--navy-deep);border-color:#F3EFE4}
.btn.-lg{padding:22px 56px}
.btn.-full{width:100%}

/* text link with arrow (ith "詳細を見る →") */
.arrow-link{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--label-en);letter-spacing:.22em;text-transform:uppercase;font-size:11.5px;color:var(--ink);
  padding-bottom:6px;position:relative;
}
.arrow-link::after{content:"";width:34px;height:1px;background:var(--ink);transition:width var(--dur) var(--ease)}
.arrow-link:hover::after{width:52px}
.section--dark .arrow-link{color:#EDE7D9}
.section--dark .arrow-link::after{background:#EDE7D9}

/* =========================================================================
   header
   ========================================================================= */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  height:var(--header-h-sp);
  display:flex;align-items:center;
  transition:background var(--dur) var(--ease),height var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.header__inner{width:100%;max-width:var(--marginal);margin-inline:auto;padding-inline:var(--pad);display:flex;align-items:center;justify-content:space-between}
.header__logo{display:flex;flex-direction:column;line-height:1;transition:color var(--dur) var(--ease)}
.header__logo-name{font-family:var(--serif-en);font-weight:500;font-size:25px;letter-spacing:.14em;color:var(--ink)}
.header__logo-tag{font-family:var(--label-en);font-size:8.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-top:4px;margin-left:.34em}
.header__nav{display:none}
.header__right{display:flex;align-items:center;gap:22px}
.header__reserve{
  display:none;align-items:center;gap:10px;
  font-family:var(--label-en);letter-spacing:.2em;text-transform:uppercase;font-size:11px;
  color:#fff;background:var(--gold);padding:13px 26px;
  transition:background var(--dur) var(--ease);
}
.header__reserve:hover{background:var(--gold-deep)}
.header__burger{width:30px;height:16px;position:relative;flex:0 0 auto}
.header__burger span{position:absolute;left:0;width:100%;height:1.4px;background:var(--ink);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease),background var(--dur) var(--ease)}
.header__burger span:nth-child(1){top:0}
.header__burger span:nth-child(2){top:50%;transform:translateY(-50%)}
.header__burger span:nth-child(3){bottom:0}

/* hero (transparent) state */
.header.is-hero{background:transparent}
.header.is-hero .header__logo-name{color:#fff}
.header.is-hero .header__logo-tag{color:var(--gold-pale)}
.header.is-hero .header__burger span{background:#fff}
/* solid state (after scroll) */
.header.is-solid{background:rgba(246,242,234,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(0,0,0,.05)}
.header.is-solid .header__logo-name{color:var(--ink)}
.header.is-solid .header__burger span{background:var(--ink)}

@media(min-width:900px){
  .header{height:var(--header-h)}
  .header__inner{padding-inline:var(--pad-lg)}
  .header__nav{display:flex;gap:34px}
  .header__nav a{font-family:var(--label-en);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;position:relative;padding-block:6px;transition:color var(--dur) var(--ease)}
  .header__nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width var(--dur) var(--ease)}
  .header__nav a:hover::after{width:100%}
  .header.is-hero .header__nav a{color:#F1ECE0}
  .header__reserve{display:inline-flex}
  .header__burger{display:none}
}

/* =========================================================================
   drawer (mobile menu)
   ========================================================================= */
.drawer{position:fixed;inset:0;z-index:99;background:var(--navy-deep);color:#EDE7D9;
  padding:calc(var(--header-h-sp) + 40px) var(--pad) 48px;
  opacity:0;visibility:hidden;transition:opacity .5s var(--ease),visibility .5s var(--ease);overflow-y:auto}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__list{display:flex;flex-direction:column;gap:4px}
.drawer__list a{display:flex;align-items:baseline;gap:16px;padding:18px 4px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer__en{font-family:var(--serif-en);font-size:22px;letter-spacing:.1em;color:#F3EFE4;min-width:auto}
.drawer__ja{font-size:12px;letter-spacing:.14em;color:var(--gold-pale)}
.drawer__reserve{margin-top:34px}
body.is-locked{overflow:hidden}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--navy-deep)}
.hero__bg{position:absolute;inset:-6% 0;z-index:0;
  background-color:#141F2A;
  background-image:
    linear-gradient(180deg,rgba(20,31,42,.42) 0%,rgba(20,31,42,.12) 32%,rgba(20,31,42,.28) 62%,rgba(20,31,42,.62) 100%),
    url(../images/hero-pc.jpg);
  background-size:cover;background-size:cover;
  background-position:center 62%;
  background-repeat:no-repeat;
  will-change:transform;
}
@media(max-width:680px){
  .hero__bg{
    background-image:
      linear-gradient(180deg,rgba(20,31,42,.4) 0%,rgba(20,31,42,.1) 34%,rgba(20,31,42,.3) 64%,rgba(20,31,42,.6) 100%),
      url(../images/hero-sp.jpg);
    background-position:center 58%;
  }
}
.hero__bg::after{content:"";position:absolute;inset:0;background:radial-gradient(closest-side at 50% 40%,rgba(255,255,255,.06),transparent 64%)}
.hero__vignette{position:absolute;inset:0;z-index:1;background:radial-gradient(120% 120% at 50% 40%,transparent 52%,rgba(10,16,22,.5) 100%)}
.hero__inner{position:relative;z-index:2;text-align:center;color:#fff;padding-inline:var(--pad)}
.hero__mark{font-family:var(--serif-en);font-weight:400;font-size:clamp(54px,11.5vw,122px);letter-spacing:.08em;line-height:1;color:#fff}
.hero__mark em{font-style:italic;font-weight:400}
.hero__rule{width:1px;height:56px;background:linear-gradient(180deg,var(--gold-pale),transparent);margin:30px auto 26px}
.hero__copy{font-family:var(--serif-ja);font-weight:500;font-size:clamp(17px,2.6vw,23px);letter-spacing:.28em;line-height:2.1;color:#F1ECE0}
.hero__sub{margin-top:22px;font-size:12.5px;letter-spacing:.22em;color:rgba(240,236,226,.72);font-family:var(--label-en);text-transform:uppercase}
.hero__scrollhint{display:none}
@media(min-width:900px){
  .hero__inner{transform:translateY(-4%)}
}

/* =========================================================================
   INTRO / PHILOSOPHY excerpt
   ========================================================================= */
.intro{text-align:center;background:var(--ivory)}
.intro__en{font-family:var(--label-en);font-size:11px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold)}
.intro__lead{
  font-family:var(--serif-ja);font-weight:500;color:var(--ink);
  font-size:clamp(20px,3.4vw,32px);line-height:2.05;letter-spacing:.12em;margin-top:30px;
}
.intro__body{margin-top:36px;font-size:15px;line-height:2.3;color:var(--text)}
.intro__body p+p{margin-top:1.6em}

/* pull-quote (思想の一節) */
.quote{position:relative;text-align:center;padding-block:clamp(72px,10vw,128px);background:var(--ivory-2)}
.quote__text{font-family:var(--serif-ja);font-weight:500;color:var(--ink);font-size:clamp(22px,3.8vw,36px);line-height:1.95;letter-spacing:.12em}
.quote__mark{font-family:var(--serif-en);font-size:80px;color:var(--gold);opacity:.5;line-height:0;display:block;margin-bottom:18px}

/* =========================================================================
   COLLECTION (RING) — cards
   ========================================================================= */
.collection__grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
@media(min-width:720px){.collection__grid{grid-template-columns:1fr 1fr}}
.col-card{display:block;position:relative;background:var(--ivory);transition:transform var(--dur-slow) var(--ease)}
.col-card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#2c4257,#1d2d3c)}
.col-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease-out)}
.col-card:hover .col-card__media img{transform:scale(1.05)}
.col-card__no{position:absolute;top:20px;left:20px;z-index:2;font-family:var(--serif-en);font-size:14px;letter-spacing:.14em;color:rgba(255,255,255,.85)}
.col-card__body{padding:26px 6px 4px}
.col-card__en{font-family:var(--label-en);font-size:10.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold)}
.col-card__ja{font-family:var(--serif-ja);font-weight:500;font-size:21px;color:var(--ink);margin-top:12px;letter-spacing:.08em}
.col-card__desc{margin-top:12px;font-size:13.5px;line-height:2;color:var(--text)}
.col-card__more{margin-top:18px}

/* small item row (刻印 / オーダー等 横並び) */
.mini-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--border-soft);border:1px solid var(--border-soft);margin-top:clamp(40px,5vw,60px)}
@media(min-width:640px){.mini-grid{grid-template-columns:1fr 1fr}}
.mini{background:var(--ivory);padding:34px 30px}
.mini__en{font-family:var(--label-en);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold)}
.mini__ja{font-family:var(--serif-ja);font-weight:500;font-size:17px;color:var(--ink);margin-top:10px}
.mini__desc{margin-top:10px;font-size:13px;line-height:1.95;color:var(--text)}

/* =========================================================================
   STORY OF STONE / DIAMOND — split module (ith 左右交互)
   ========================================================================= */
.split{display:grid;grid-template-columns:1fr;gap:clamp(32px,5vw,72px);align-items:center}
@media(min-width:900px){
  .split{grid-template-columns:1fr 1fr}
  .split.-rev .split__media{order:2}
}
.split__media{position:relative;aspect-ratio:5/6;overflow:hidden;background:linear-gradient(150deg,#2a3f52,#16222e)}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__en{font-family:var(--label-en);font-size:11px;letter-spacing:.36em;text-transform:uppercase;color:var(--gold)}
.split__ttl{font-family:var(--serif-ja);font-weight:500;color:var(--ink);font-size:clamp(22px,3.2vw,30px);line-height:1.6;letter-spacing:.08em;margin-top:18px}
.split__body{margin-top:22px;font-size:14.5px;line-height:2.25;color:var(--text)}
.split__body p+p{margin-top:1.4em}
.split__more{margin-top:28px}

/* =========================================================================
   CRAFT — figures
   ========================================================================= */
.craft__figures{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:720px){.craft__figures{grid-template-columns:1fr 1fr}}
.craft__fig{aspect-ratio:1/1;overflow:hidden;background:linear-gradient(140deg,#efe8da,#e2d8c4)}
.craft__fig:first-child{aspect-ratio:auto}
.craft__fig img{width:100%;height:100%;object-fit:cover}

/* =========================================================================
   AFTER — promise list on dark
   ========================================================================= */
.promise__list{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);margin-top:8px}
@media(min-width:640px){.promise__list{grid-template-columns:1fr 1fr}}
.promise{background:var(--navy-deep);padding:36px 30px;display:flex;gap:20px;align-items:flex-start}
.promise__no{font-family:var(--serif-en);font-size:15px;color:var(--gold-pale);letter-spacing:.1em;flex:0 0 auto;padding-top:3px}
.promise__ttl{font-family:var(--serif-ja);font-weight:500;font-size:17px;color:#F3EFE4}
.promise__desc{margin-top:10px;font-size:13px;line-height:2;color:#C3BCAD}

/* =========================================================================
   VOICE
   ========================================================================= */
.voice__grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:900px){.voice__grid{grid-template-columns:repeat(3,1fr)}}
.voice-card{background:var(--ivory);border:1px solid var(--border-soft);padding:34px 30px;display:flex;flex-direction:column}
.voice-card__stars{color:var(--gold);letter-spacing:.2em;font-size:13px}
.voice-card__text{margin-top:18px;font-family:var(--serif-ja);font-size:15px;line-height:2.05;color:var(--ink);flex:1}
.voice-card__meta{margin-top:22px;font-size:11.5px;letter-spacing:.1em;color:var(--text-mid)}

/* =========================================================================
   FLOW & PRICE
   ========================================================================= */
.flow{display:grid;grid-template-columns:1fr;gap:0;counter-reset:flow}
@media(min-width:900px){.flow{grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border-soft)}}
.flow__step{background:var(--ivory);padding:40px 28px;position:relative}
.flow__no{font-family:var(--serif-en);font-size:13px;letter-spacing:.2em;color:var(--gold)}
.flow__ttl{font-family:var(--serif-ja);font-weight:500;font-size:18px;color:var(--ink);margin-top:12px}
.flow__desc{margin-top:12px;font-size:13px;line-height:1.95;color:var(--text)}
.price-note{margin-top:clamp(40px,5vw,60px);border:1px solid var(--border);padding:clamp(30px,4vw,48px);text-align:center;background:var(--ivory)}
.price-note__ttl{font-family:var(--serif-ja);font-weight:500;font-size:20px;color:var(--ink);letter-spacing:.08em}
.price-note__body{margin-top:18px;font-size:14px;line-height:2.1;color:var(--text)}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{max-width:var(--contents-narrow);margin-inline:auto;border-top:1px solid var(--border)}
.faq__item{border-bottom:1px solid var(--border)}
.faq__q{width:100%;text-align:left;display:flex;gap:18px;align-items:flex-start;padding:26px 4px;font-family:var(--serif-ja);font-weight:500;font-size:16px;color:var(--ink)}
.faq__q::before{content:"Q";font-family:var(--serif-en);color:var(--gold);font-size:17px;flex:0 0 auto;line-height:1.5}
.faq__icon{margin-left:auto;position:relative;width:15px;height:15px;flex:0 0 auto;margin-top:6px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--gold);transition:transform var(--dur) var(--ease)}
.faq__icon::before{top:7px;left:0;width:100%;height:1px}
.faq__icon::after{left:7px;top:0;height:100%;width:1px}
.faq__item.is-open .faq__icon::after{transform:scaleY(0)}
.faq__a{max-height:0;overflow:hidden;transition:max-height var(--dur-slow) var(--ease)}
.faq__a-inner{display:flex;gap:18px;padding:0 4px 28px;font-size:14px;line-height:2.1;color:var(--text)}
.faq__a-inner::before{content:"A";font-family:var(--serif-en);color:var(--text-mid);font-size:17px;flex:0 0 auto}

/* =========================================================================
   ACCESS
   ========================================================================= */
.access{display:grid;grid-template-columns:1fr;gap:clamp(32px,5vw,64px);align-items:center}
@media(min-width:900px){.access{grid-template-columns:1.1fr .9fr}}
.access__media{aspect-ratio:4/3;background:linear-gradient(150deg,#e6ddca,#d6c9ad);overflow:hidden}
.access__media img{width:100%;height:100%;object-fit:cover}
.access__dl{margin-top:26px}
.access__dl dt{font-family:var(--label-en);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-top:20px}
.access__dl dd{font-size:15px;line-height:1.9;color:var(--ink);margin-top:6px}

/* =========================================================================
   RESERVE CTA (dark)
   ========================================================================= */
.reserve-cta{position:relative;text-align:center;background:var(--navy-deep);color:#fff;overflow:hidden}
.reserve-cta__glow{position:absolute;inset:0;background:radial-gradient(60% 80% at 50% 30%,rgba(168,138,92,.24),transparent 65%)}
.reserve-cta__inner{position:relative;z-index:1}
.reserve-cta__en{font-family:var(--label-en);font-size:11px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold-pale)}
.reserve-cta__ttl{font-family:var(--serif-ja);font-weight:500;font-size:clamp(24px,4vw,38px);line-height:1.7;color:#F3EFE4;letter-spacing:.1em;margin-top:22px}
.reserve-cta__body{margin-top:22px;font-size:14px;line-height:2.1;color:#CFC8B8}
.reserve-cta__btns{margin-top:40px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{background:#141F2A;color:#B9B2A4;padding-block:clamp(56px,7vw,88px) 34px}
.footer__top{display:grid;grid-template-columns:1fr;gap:44px}
@media(min-width:820px){.footer__top{grid-template-columns:1.4fr 1fr 1fr}}
.footer__brand-name{font-family:var(--serif-en);font-size:30px;letter-spacing:.14em;color:#F3EFE4}
.footer__brand-tag{font-family:var(--label-en);font-size:9px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);margin-top:8px}
.footer__brand-copy{margin-top:22px;font-size:12.5px;line-height:2;color:#9A9384;max-width:26em}
.footer__col-ttl{font-family:var(--label-en);font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.footer__nav{display:flex;flex-direction:column;gap:13px}
.footer__nav a{font-size:13px;color:#C4BDAF;transition:color var(--dur) var(--ease)}
.footer__nav a:hover{color:#F3EFE4}
.footer__info{font-size:12.5px;line-height:2;color:#9A9384}
.footer__bottom{margin-top:clamp(44px,6vw,72px);padding-top:26px;border-top:1px solid rgba(255,255,255,.09);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.footer__copy{font-family:var(--label-en);font-size:10px;letter-spacing:.16em;color:#8A8474}

/* =========================================================================
   reveal (ith js-scroll-magic 相当)
   ========================================================================= */
.reveal{opacity:0;transform:translateY(var(--parallax-move));transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal.-d1{transition-delay:.1s}
.reveal.-d2{transition-delay:.2s}
.reveal.-d3{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =========================================================================
   loader / splash
   ========================================================================= */
.loader{position:fixed;inset:0;z-index:1000;background:var(--navy-deep);display:flex;align-items:center;justify-content:center;transition:opacity .9s var(--ease),visibility .9s var(--ease)}
.loader.is-done{opacity:0;visibility:hidden}
.loader__mark{font-family:var(--serif-en);font-size:clamp(36px,8vw,64px);letter-spacing:.14em;color:#fff;opacity:0;animation:loaderIn 1.4s var(--ease-out) forwards}
.loader__mark em{font-style:italic}
@keyframes loaderIn{0%{opacity:0;letter-spacing:.4em}55%{opacity:1}100%{opacity:1;letter-spacing:.14em}}

/* ---------- no-js fallback (JS無効でも全コンテンツ表示) ---------- */
.no-js .loader{display:none}
.no-js .reveal{opacity:1;transform:none}

/* ---------- burger active (×化) ---------- */
.header__burger.is-active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.header__burger.is-active span:nth-child(2){opacity:0}
.header__burger.is-active span:nth-child(3){bottom:auto;top:50%;transform:translateY(-50%) rotate(-45deg)}
.header__burger.is-active span{background:#fff!important}

/* ---------- 泣き別れ防止・行末禁則の制御 ---------- */
.intro__lead,.quote__text,.sec-head__ja,.hero__copy,.reserve-cta__ttl,.split__ttl{text-wrap:balance}
.intro__body p,.sec-head__lead,.split__body p,.col-card__desc,.mini__desc,.price-note__body,.reserve-cta__body,.voice-card__text,.faq__a-inner,.promise__desc,.flow__desc{text-wrap:pretty}
@media(max-width:640px){
  .intro__lead{font-size:17px;letter-spacing:.04em;line-height:2}
  .sec-head__lead br{display:none}
  .sec-head__ja{letter-spacing:.05em}
  .hero__mark{font-size:clamp(52px,17vw,76px)}
}

/* =========================================================================
   下層ページ共通（page hero / breadcrumb / prose / spec / sub-cta）
   ========================================================================= */
.subhead{position:relative;min-height:48vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--navy-deep);color:#fff;padding:calc(var(--header-h) + 40px) var(--pad) 60px}
.subhead__bg{position:absolute;inset:-6% 0;z-index:0;
  background:
    radial-gradient(120% 90% at 50% 30%,rgba(120,150,178,.24),transparent 60%),
    radial-gradient(60% 50% at 50% 46%,rgba(214,226,236,.22),transparent 70%),
    linear-gradient(180deg,#233443,#1B2A38 55%,#141F2A)}
.subhead__bg::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 50% 42%,transparent 54%,rgba(10,16,22,.5))}
.subhead__inner{position:relative;z-index:1}
.subhead__en{display:block;font-family:var(--label-en);font-size:12px;letter-spacing:.42em;text-transform:uppercase;color:var(--gold-pale);margin-left:.42em}
.subhead__ttl{font-family:var(--serif-ja);font-weight:500;font-size:clamp(28px,5vw,44px);letter-spacing:.14em;line-height:1.5;margin-top:22px;color:#F5F1E7}
.subhead__lead{margin-top:24px;font-size:14px;line-height:2.1;color:#CFC8B8;font-family:var(--serif-ja)}

.breadcrumb{background:var(--ivory);border-bottom:1px solid var(--border-soft)}
.breadcrumb__inner{max-width:var(--marginal);margin-inline:auto;padding:16px var(--pad);display:flex;gap:10px;align-items:center;font-size:11px;letter-spacing:.08em;color:var(--text-mid)}
.breadcrumb a{color:var(--text-mid);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span{color:var(--gold)}
@media(min-width:900px){.breadcrumb__inner{padding-inline:var(--pad-lg)}}

/* 読み物（思想・説明）*/
.prose{max-width:var(--contents-narrow);margin-inline:auto}
.prose__q{font-family:var(--serif-ja);font-weight:500;color:var(--ink);font-size:clamp(20px,3.4vw,30px);line-height:1.9;letter-spacing:.08em;text-wrap:balance}
.prose__q .u-gold{color:var(--gold)}
.prose p{font-size:15px;line-height:2.35;color:var(--text);margin-top:1.6em;text-wrap:pretty}
.prose__em{display:block;font-family:var(--serif-ja);font-weight:500;color:var(--ink);font-size:clamp(19px,2.8vw,26px);line-height:1.9;letter-spacing:.1em;text-align:center;margin:clamp(48px,6vw,80px) auto;text-wrap:balance}
.prose__em::before,.prose__em::after{content:"";display:block;width:1px;height:34px;background:var(--gold);margin:0 auto 26px}
.prose__em::after{margin:26px auto 0}

/* 章ブロック（en番号＋見出し＋本文）*/
.chapter{padding-block:clamp(56px,8vw,110px)}
.chapter__no{font-family:var(--serif-en);font-size:15px;letter-spacing:.16em;color:var(--gold)}
.chapter__ttl{font-family:var(--serif-ja);font-weight:500;color:var(--ink);font-size:clamp(23px,3.6vw,34px);line-height:1.5;letter-spacing:.08em;margin-top:14px;text-wrap:balance}

/* spec / 定義リスト（4C・料金・概要）*/
.spec{border-top:1px solid var(--border)}
.spec__row{display:grid;grid-template-columns:1fr;gap:6px;padding:24px 4px;border-bottom:1px solid var(--border)}
@media(min-width:720px){.spec__row{grid-template-columns:200px 1fr;gap:30px;align-items:baseline}}
.spec__dt{font-family:var(--serif-ja);font-weight:500;font-size:16px;color:var(--ink);letter-spacing:.06em}
.spec__dt small{display:block;font-family:var(--label-en);font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-top:6px}
.spec__dd{font-size:14px;line-height:2.1;color:var(--text)}

/* 特徴カード 3列 */
.feature-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--border-soft);border:1px solid var(--border-soft)}
@media(min-width:820px){.feature-grid{grid-template-columns:repeat(3,1fr)}}
.feature{background:var(--ivory);padding:38px 30px}
.feature__no{font-family:var(--serif-en);font-size:14px;color:var(--gold);letter-spacing:.1em}
.feature__ttl{font-family:var(--serif-ja);font-weight:500;font-size:18px;color:var(--ink);margin-top:12px}
.feature__desc{margin-top:12px;font-size:13.5px;line-height:2;color:var(--text);text-wrap:pretty}

/* 大きな図版枠（下層の写真プレースホルダ）*/
.figure-full{aspect-ratio:16/9;background:linear-gradient(150deg,#2a3f52,#16222e);overflow:hidden;margin-block:clamp(40px,5vw,64px)}
.figure-full.-ivory{background:linear-gradient(150deg,#efe8da,#e0d6c2)}
.figure-full img{width:100%;height:100%;object-fit:cover}

/* 下部CTA（reserve-cta を各下層でも使用）*/
.subcta{margin-top:0}

/* ---------- form (reserve) ---------- */
.form{display:flex;flex-direction:column;gap:26px}
.form__row{display:flex;flex-direction:column;gap:10px}
.form__grid{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:680px){.form__grid{grid-template-columns:1fr 1fr}}
.form__label{font-family:var(--serif-ja);font-weight:500;font-size:14px;color:var(--ink);letter-spacing:.06em}
.form__label em{color:var(--gold);font-style:normal;margin-left:4px;font-size:12px}
.form__input{font-family:var(--sans-ja);font-size:15px;color:var(--ink);background:var(--ivory);border:1px solid var(--border);border-radius:0;padding:15px 16px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);width:100%}
.form__input::placeholder{color:#B7AE9E}
.form__input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(168,138,92,.14)}
.form__textarea{resize:vertical;line-height:1.9}
.form__checks{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:2px}
.form__check{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--text);cursor:pointer}
.form__check input{width:17px;height:17px;accent-color:var(--gold);flex:0 0 auto}
.form__check--agree{margin-top:4px;justify-content:center}
.form__check--agree em{color:var(--gold);font-style:normal}
.form__submit{text-align:center;margin-top:12px}
.form__note{margin-top:16px;font-size:11.5px;color:var(--text-mid);letter-spacing:.04em}

/* ---------- 実写画像クラス（figure / card / split / access）---------- */
.img-set{background-size:cover !important;background-position:center;background-repeat:no-repeat}
.img-rings-linen{background-image:url(../images/rings-linen.jpg)}
.img-rough-diamond{background-image:url(../images/rough-diamond.jpg)}
.img-ring-solitaire{background-image:url(../images/ring-solitaire.jpg);background-position:center 42%}
.img-rings-pair{background-image:url(../images/rings-pair.jpg)}
.img-craft-bench{background-image:url(../images/craft-bench.jpg)}
.img-atelier{background-image:url(../images/atelier.jpg)}

/* ---------- 支給ロゴ（éternel 金ワードマーク・透明PNG）---------- */
.header__logo-img{height:22px;width:auto;display:block;transition:filter var(--dur) var(--ease)}
.header.is-solid .header__logo-img{filter:brightness(.6) saturate(1.15) contrast(1.05)}
.loader__logo{display:block;width:min(280px,62vw);height:auto;opacity:0;animation:loaderIn 1.5s var(--ease-out) forwards}
.footer__brand-logo{display:block;width:180px;max-width:60%;height:auto;margin-bottom:14px}
@media(min-width:900px){.header__logo-img{height:24px}}