/* =========================================================
   暁装飾 — Top page
   Concept: 暁（夜が明けようとする、そのとき）。
   読みやすさを最優先に、余白・カード・はっきりした導線で構成する。
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  /* Type families */
  --f-mincho: "Shippori Mincho B1","Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;
  --f-gothic: "Zen Kaku Gothic New","YuGothic","游ゴシック","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  --f-latin:  "Instrument Serif","Times New Roman",serif;

  /* Type scale */
  --fs-hero: clamp(2.75rem, 6.4vw, 6rem);
  --fs-h2: clamp(1.75rem, 3.2vw, 2.625rem);
  --fs-h3: clamp(1.15rem, 1.5vw, 1.3rem);
  --fs-lead: clamp(1rem, 1.1vw, 1.0625rem);   /* SP 1rem / PC 1.0625rem */
  --fs-body: 1rem;
  --fs-sm: .9375rem;
  --fs-cap: .8125rem;

  /* Spacing */
  --sp-1: .5rem;  --sp-2: 1rem;  --sp-3: 1.5rem; --sp-4: 2rem;
  --sp-5: 3rem;   --sp-6: 4rem;  --sp-7: 6rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --wrap: 1200px;
  --sec-pad: clamp(5rem, 9vw, 8.5rem);
  --header-h: 76px;
  --radius: 12px;
  --radius-lg: 20px;

  /* Color — 役割で命名 */
  --night: #0b0e1c;        /* 夜明け前の空 */
  --base: #faf8f4;         /* 基本の背景 */
  --paper: #f3eee6;        /* 交互に敷く背景 */
  --surface: #ffffff;      /* カード */
  --ink: #16171d;          /* 見出し   paper 上 15.48:1 */
  --ink-2: #3b3c45;        /* 本文     paper 上 9.48:1 */
  --ink-mut: #66666e;      /* 注釈     base 上 5.36:1 / paper 上 4.93:1 */
  --on-dark: #f5efe6;      /* night 上 16.80:1 */
  --on-dark-mut: #a9a6a2;  /* night 上 7.92:1 */
  --accent: #e8875a;       /* 朝焼け：面・アイコン（白文字は載せない） */
  --accent-ink: #a8461e;   /* 明るい面の上の強調文字 base 上 5.56:1 */
  --accent-btn: #a6441c;   /* 白文字を載せるボタン 6.06:1 */
  --accent-btn-hover: #8a3615;
  --accent-tint: rgba(232,135,90,.12);
  --line: rgba(22,23,29,.12);
  --line-dark: rgba(245,239,230,.18);
  --morning: #f2b48c;      /* 日の出直後の空：お問い合わせ下端〜フッター */
  --ink-mut-warm: #4a4a52; /* 朝焼け面の注釈 #f2b48c 上 4.88:1 */
  --shadow: 0 24px 48px -28px rgba(22,23,29,.28);

  /* Motion */
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-padding-top: calc(var(--header-h) + 8px); }
@media (prefers-reduced-motion: no-preference){ html{ scroll-behavior:smooth; } }
body{
  margin:0;
  background: var(--base);
  color: var(--ink-2);
  font-family: var(--f-gothic);
  font-size: var(--fs-body);
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
h1,h2,h3,p,ol,ul,dl,dd,figure{ margin:0; }
ol,ul{ padding:0; list-style:none; }
a{ color:inherit; text-decoration:none; }
img,svg,canvas{ display:block; max-width:100%; }
button,input,textarea{ font:inherit; color:inherit; letter-spacing:inherit; }
button{ background:none; border:0; padding:0; cursor:pointer; }
h1,h2,h3{
  color: var(--ink);
  font-weight: 600;
  line-height: 1.5;
  font-feature-settings: "palt";
  word-break: auto-phrase;  /* 文節単位で改行（対応ブラウザのみ） */
  text-wrap: initial;       /* 日本語に balance は使わない */
}
p{ text-wrap: pretty; }
.hero__lead, .sec-lead, .concept__text, .promise__text, .svc__text, .message__text, .steps__text, .faq__answer p, .contact__lead, .card__info, .area__lead, .area__note{ word-break: auto-phrase; }
::selection{ background: var(--accent); color: var(--night); }
:focus-visible{ outline: 2px solid var(--accent-btn); outline-offset: 3px; border-radius: 4px; }

.u-vh{ position:absolute!important; width:1px; height:1px; margin:-1px; padding:0; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0; }
.br-sp{ display:none; }
@media (max-width: 820px){ .br-sp{ display:inline; } .br-pc{ display:none; } }

.skip{ position:fixed; left:var(--gutter); top:-100px; z-index:200; padding:.75rem 1.25rem; background:var(--ink); color:#fff; border-radius:999px; }
.skip:focus{ top:1rem; }

.wrap{ width:100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin-inline:auto; padding-inline: var(--gutter); }
.section{ padding-block: var(--sec-pad); }

/* ---------- 日の出マーク（ロゴ・見出しラベル共通のモチーフ） ---------- */
.mark{ position:relative; display:inline-block; flex:none; width:20px; height:11px; color: var(--ink); }
.mark::before{ content:""; position:absolute; left:4px; right:4px; bottom:2px; height:6px; border-radius:6px 6px 0 0; background: var(--accent); }
.mark::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:1.5px; background: currentColor; opacity:.55; }
.mark--light{ color: var(--on-dark); }

/* ---------- Buttons（全ボタンはここから派生） ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.8em;
  min-height:48px; padding:.8em 1.6em;
  border:1px solid transparent; border-radius:999px;
  font-size: var(--fs-sm); font-weight:700; letter-spacing:.08em; line-height:1.3;
  transition: background-color .3s, color .3s, border-color .3s;
}
.btn__arrow{ position:relative; width:14px; height:1.5px; background: currentColor; transition: transform .4s var(--ease-out); }
.btn__arrow::after{ content:""; position:absolute; right:0; top:50%; width:7px; height:7px; border-top:1.5px solid currentColor; border-right:1.5px solid currentColor; transform: translateY(-50%) rotate(45deg); }
.btn:hover .btn__arrow{ transform: translateX(4px); }
.btn--primary{ background: var(--accent-btn); color:#fff; }
.btn--primary:hover{ background: var(--accent-btn-hover); }
.btn--ghost{ border-color: rgba(245,239,230,.6); color: var(--on-dark); }
.btn--ghost:hover{ background: rgba(245,239,230,.12); border-color: var(--on-dark); }
.btn--lg{ min-height:56px; padding:1em 2em; font-size: var(--fs-body); }
.btn--block{ width:100%; }

/* ---------- Header ---------- */
.header{
  position:fixed; inset:0 0 auto 0; z-index:60;
  display:flex; align-items:center; gap: clamp(1rem, 2.4vw, 2.25rem);
  height: var(--header-h); padding-inline: var(--gutter);
  color: var(--on-dark);
  transition: background-color .4s, color .4s, box-shadow .4s;
}
.header.is-solid{
  color: var(--ink);
  background: rgba(250,248,244,.94);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}
.logo{ display:flex; align-items:center; gap:.65rem; margin-right:auto; line-height:1; }
.logo__mark{ position:relative; display:block; width:26px; height:15px; flex:none; }
.logo__mark::before{ content:""; position:absolute; left:5px; right:5px; bottom:2px; height:8px; border-radius:8px 8px 0 0; background: var(--accent); }
.logo__mark::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background: currentColor; }
.logo__text{ display:grid; gap:.3rem; }
.logo__jp{ font-family: var(--f-mincho); font-weight:800; font-size: 1.375rem; letter-spacing:.14em; }
.logo__en{ font-size:.5rem; font-weight:500; letter-spacing:.32em; opacity:.8; }

.nav__list{ display:flex; gap: clamp(1rem, 2vw, 1.75rem); }
.nav__link{ position:relative; display:inline-flex; padding-block:.75rem; font-size:.875rem; font-weight:500; letter-spacing:.08em; white-space:nowrap; }
.nav__link::after{ content:""; position:absolute; left:0; right:0; bottom:.5rem; height:1px; background: currentColor; transform: scaleX(0); transform-origin:right; transition: transform .5s var(--ease-out); }
.nav__link:hover::after{ transform: scaleX(1); transform-origin:left; }

.header__tel{ display:grid; line-height:1.25; text-align:right; white-space:nowrap; }
.header__tel small{ font-size:.6875rem; letter-spacing:.1em; opacity:.85; }
.header__tel span{ font-size:1.125rem; font-weight:700; letter-spacing:.06em; }
.header__cta{ min-height:44px; padding:.65em 1.4em; }

.menu-btn{ display:none; place-items:center; width:44px; height:44px; margin-right:-10px; }
.menu-btn__lines{ position:relative; display:block; width:24px; height:10px; }
.menu-btn__lines::before,.menu-btn__lines::after{ content:""; position:absolute; left:0; right:0; height:1.5px; background: currentColor; transition: transform .4s var(--ease-out), top .4s var(--ease-out); }
.menu-btn__lines::before{ top:0; } .menu-btn__lines::after{ top:8px; }
.is-menu-open .menu-btn__lines::before{ top:4px; transform: rotate(25deg); }
.is-menu-open .menu-btn__lines::after{ top:4px; transform: rotate(-25deg); }
.is-menu-open .header{ color: var(--ink); background: var(--base); box-shadow: 0 1px 0 var(--line); }

.sp-menu{
  position:fixed; inset:0; z-index:55;
  display:flex; flex-direction:column; justify-content:space-between; gap:2rem;
  padding: calc(var(--header-h) + 1rem) var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));
  background: var(--base); color: var(--ink); overflow-y:auto;
  opacity:0; visibility:hidden; transition: opacity .35s, visibility 0s linear .35s;
}
.is-menu-open .sp-menu{ opacity:1; visibility:visible; transition: opacity .35s; }
.sp-menu__nav a{ display:flex; align-items:baseline; justify-content:space-between; gap:1rem; padding-block:1.1rem; border-bottom:1px solid var(--line); font-size:1.0625rem; font-weight:700; letter-spacing:.08em; }
.sp-menu__nav span{ font-family: var(--f-latin); font-style:italic; font-weight:400; font-size:1rem; color: var(--accent-ink); }
.sp-menu__foot{ display:grid; gap:.75rem; }
.sp-menu__foot .btn--ghost{ border-color: var(--line); color: var(--ink); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; display:flex; align-items:center;
  min-height: 640px; height: 100vh; height: 100svh;
  overflow:hidden; color: var(--on-dark);
  /* WebGL 非対応時のフォールバック */
  background: linear-gradient(to bottom, #0a0d1f 0%, #1c2350 40%, #6b5a8a 58%, #e8875a 66%, #3a2d3f 68%, #0b0e1c 100%);
}
.hero__sky{ position:absolute; inset:0; width:100%; height:100%; transition: opacity .6s; }
.hero__shade{
  position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(90deg, rgba(7,9,20,.6) 0%, rgba(7,9,20,.28) 45%, rgba(7,9,20,0) 72%),
    linear-gradient(to top, rgba(7,9,20,.55) 0%, rgba(7,9,20,0) 38%);
}
.hero__inner{ position:relative; z-index:1; padding-top: var(--header-h); padding-bottom: 7rem; }
.hero__eyebrow{ display:flex; align-items:center; gap:.75rem; font-size: .9375rem; font-weight:500; letter-spacing:.14em; }
.hero__title{
  margin-top: clamp(1.25rem, 2.4vw, 2rem);
  color: var(--on-dark);
  font-family: var(--f-mincho); font-weight:600;
  font-size: var(--fs-hero); line-height:1.25; letter-spacing:.04em;
  word-break: keep-all;
}
.hero__line{ display:block; overflow:hidden; padding-block:.04em .1em; margin-block:-.04em -.1em; }
.hero__line > span{ display:block; }
.hero__title .ch{ display:inline-block; }
.js .hero__title .ch{ transform: translate3d(0,110%,0); }
.is-ready .hero__title .ch{ transform:none; transition: transform 1.3s var(--ease-out); transition-delay: calc(.2s + var(--i) * .05s); }
.hero__lead{ margin-top: clamp(1.25rem, 2.4vw, 2rem); font-size: var(--fs-lead); line-height:2.05; letter-spacing:.08em; color: var(--on-dark); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:1rem; margin-top: clamp(1.75rem, 3vw, 2.75rem); }
.js [data-hero-fade]{ opacity:0; transform: translateY(14px); }
.is-ready [data-hero-fade]{ opacity:1; transform:none; transition: opacity 1.1s ease .8s, transform 1.1s var(--ease-out) .8s; }

.hero__points{
  position:absolute; left:0; right:0; bottom: calc(28px + clamp(1rem, 2.6vh, 2rem)); z-index:1;
  display:flex; gap: clamp(1.5rem, 3vw, 3rem);
  font-size: var(--fs-cap); letter-spacing:.12em; color: var(--on-dark);
}
.hero__points li{ display:flex; align-items:baseline; gap:.5rem; }
.hero__points li + li{ padding-left: clamp(1.5rem, 3vw, 3rem); border-left:1px solid var(--line-dark); }
.hero__points strong{ font-family: var(--f-mincho); font-weight:600; font-size:1.25rem; letter-spacing:.06em; }
.hero__points small{ font-size:.75em; }
.hero__scroll{ position:absolute; right: var(--gutter); bottom: 28px; z-index:1; display:block; width:44px; height: 88px; }
.hero__scroll span{ position:absolute; left:50%; bottom:0; width:1px; height:64px; background: var(--line-dark); overflow:hidden; }
.hero__scroll span::after{ content:""; position:absolute; inset:0; background: var(--on-dark); transform: translateY(-100%); animation: scroll-line 2.2s cubic-bezier(.65,0,.35,1) infinite; }
@keyframes scroll-line{ 0%{transform:translateY(-100%)} 55%{transform:translateY(0)} 100%{transform:translateY(100%)} }

/* =========================================================
   Section heads
   ========================================================= */
.sec-head{ margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-label{ display:inline-flex; align-items:center; gap:.6rem; font-size: var(--fs-cap); font-weight:700; letter-spacing:.16em; color: var(--ink); }
.sec-label__en{ margin-left:.2rem; font-family: var(--f-latin); font-style:italic; font-weight:400; font-size:1.0625rem; letter-spacing:.02em; color: var(--accent-ink); }
.sec-label--light{ color: var(--on-dark); }
.sec-label--light .sec-label__en{ color: var(--accent); }
.sec-title{ margin-top: 1rem; font-family: var(--f-mincho); font-size: var(--fs-h2); line-height:1.55; letter-spacing:.06em; }
.sec-lead{ margin-top: 1.25rem; font-size: var(--fs-lead); line-height:2.05; color: var(--ink-2); }
.sec-head--center{ display:grid; justify-items:center; max-width: 760px; margin-inline:auto; text-align:center; }
.sec-head--split{ display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: var(--sp-3) var(--sp-6); align-items:end; }
.sec-head--split .sec-lead{ margin-top:0; }

/* Reveal（JS 有効時のみ初期状態を隠す） */
.js [data-reveal]{ opacity:0; transform: translate3d(0,20px,0); transition: opacity .9s ease var(--d,0s), transform .9s var(--ease-out) var(--d,0s); }
.js [data-reveal].is-in{ opacity:1; transform:none; }

/* Placeholder tag（差し替え素材の目印） */
.ph-tag{
  position:absolute; left:.75rem; bottom:.75rem; z-index:2;
  padding:.3em .8em; border-radius:999px;
  background: rgba(11,14,28,.62); color:#fff;
  font-size:.625rem; letter-spacing:.12em; line-height:1.4;
}

.tags{ display:flex; flex-wrap:wrap; gap:.4rem; }
.tags li{ padding:.2em .8em; border:1px solid var(--line); border-radius:999px; background: var(--base); font-size:.75rem; letter-spacing:.06em; color: var(--ink-2); }

/* =========================================================
   屋号に込めた想い
   ========================================================= */
.concept{ position:relative; z-index:2; margin-top:-28px; border-radius:28px 28px 0 0; background: var(--base); }
.concept__grid{ display:grid; grid-template-columns: repeat(12, minmax(0,1fr)); column-gap: var(--gutter); row-gap: var(--sp-5); align-items:center; }
.concept__word{ grid-column: 1 / span 5; position:relative; display:grid; justify-items:center; padding-block: 1rem; text-align:center; }
.concept__word::before{ content:""; position:absolute; left:0; right:0; top: 58%; height:1px; background: var(--line); }
.concept__sun{
  position:absolute; left:50%; top:42%; z-index:0;
  width: min(78%, 320px); aspect-ratio:1; border-radius:50%;
  transform: translate(-50%,-50%);
  background: radial-gradient(circle, rgba(232,135,90,.34) 0%, rgba(232,135,90,.14) 42%, rgba(232,135,90,0) 70%);
}
.concept__kanji{ position:relative; z-index:1; font-family: var(--f-mincho); font-weight:600; font-size: clamp(6.5rem, 14vw, 11rem); line-height:1.05; color: var(--ink); }
.concept__kanji rt{ font-size:.12em; font-weight:500; letter-spacing:.5em; padding-left:.5em; }
.concept__meaning{ position:relative; z-index:1; margin-top: 1.75rem; font-family: var(--f-mincho); font-weight:600; font-size: clamp(1.05rem, 1.6vw, 1.375rem); letter-spacing:.16em; color: var(--ink); }
.concept__body{ grid-column: 7 / -1; }
.concept__text{ margin-top: 1.75rem; line-height:2.15; }

/* =========================================================
   3つの約束
   ========================================================= */
.promise{ background: var(--paper); }
.promise__list{ display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.promise__item{
  position:relative; overflow:hidden;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg); background: var(--surface);
}
.promise__item::before{ content:""; position:absolute; left: clamp(1.75rem, 3vw, 2.5rem); top:0; width:36px; height:3px; border-radius:0 0 3px 3px; background: var(--accent); }
.promise__num{ display:flex; align-items:baseline; gap:.75rem; font-family: var(--f-latin); font-size: 2.75rem; line-height:1; color: var(--accent-ink); }
.promise__num span{ font-family: var(--f-gothic); font-size:.6875rem; font-weight:700; letter-spacing:.24em; text-transform:uppercase; color: var(--ink-mut); }
.promise__title{ margin-top: 1.5rem; font-family: var(--f-mincho); font-size: clamp(1.25rem, 1.7vw, 1.5rem); line-height:1.6; letter-spacing:.06em; }
.promise__text{ margin-top: .9rem; font-size: var(--fs-sm); line-height:1.95; }

/* =========================================================
   事業内容
   ========================================================= */
.service{ background: var(--base); }
.svc{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.svc__item{
  display:grid; grid-template-columns: 64px minmax(0,1fr); gap: 1.5rem; align-items:start;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border:1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface);
  transition: box-shadow .4s, transform .4s var(--ease-out), border-color .4s;
}
@media (hover:hover){ .svc__item:hover{ transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; } }
.svc__icon{ display:grid; place-items:center; width:64px; height:64px; border-radius:50%; background: var(--accent-tint); color: var(--accent-ink); }
.svc__icon svg{ width:34px; height:34px; fill:none; stroke: currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.svc__num{ display:flex; align-items:baseline; gap:.6rem; font-family: var(--f-latin); font-size:1.125rem; line-height:1.2; color: var(--accent-ink); }
.svc__num span{ font-style:italic; font-size:.9375rem; color: var(--ink-mut); }
.svc__title{ margin-top:.4rem; font-family: var(--f-mincho); font-size: clamp(1.25rem, 1.7vw, 1.5rem); letter-spacing:.06em; }
.svc__text{ margin-top:.6rem; font-size: var(--fs-sm); line-height:1.95; }
.svc__item .tags{ margin-top: 1rem; }

/* =========================================================
   ビフォー・アフター
   ========================================================= */
.finish{ background: var(--paper); }
.ba{
  --pos: 58%;
  position:relative; overflow:hidden;
  aspect-ratio: 16 / 9; max-height: 80vh; width:100%;
  border-radius: var(--radius-lg); background: #c4c0b8;
  touch-action: pan-y; user-select:none; -webkit-user-select:none;
  cursor: ew-resize;
}
.ba:has(.ba__range:focus-visible){ outline:2px solid var(--accent-btn); outline-offset:6px; }
.ba__layer{ position:absolute; inset:0; }
.ba__layer img{ width:100%; height:100%; object-fit:cover; pointer-events:none; user-select:none; -webkit-user-drag:none; }
.ba__layer--after{ clip-path: inset(0 0 0 var(--pos)); }
.ba__handle{ position:absolute; top:0; bottom:0; left: var(--pos); width:2px; margin-left:-1px; background:#fff; box-shadow: 0 0 20px rgba(255,230,190,.8); pointer-events:none; }
.ba__knob{
  position:absolute; left:50%; top:50%; width:60px; height:60px; margin:-30px 0 0 -30px;
  display:grid; place-items:center; border-radius:50%;
  background:#fff; color: var(--ink); box-shadow: 0 8px 24px rgba(11,14,28,.25);
  transition: transform .4s var(--ease-out);
}
.ba.is-drag .ba__knob{ transform: scale(.9); }
.ba__knob svg{ width:22px; height:22px; fill:none; stroke: currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.ba__tag{
  position:absolute; top: clamp(.75rem, 2vw, 1.25rem); z-index:2;
  display:grid; gap:.05rem; padding:.5rem .9rem; border-radius:8px;
  font-size: .875rem; font-weight:700; letter-spacing:.1em; line-height:1.3;
  pointer-events:none;
}
.ba__tag small{ font-family: var(--f-latin); font-style:italic; font-weight:400; font-size:.875rem; letter-spacing:.02em; }
.ba__tag--before{ left: clamp(.75rem, 2vw, 1.25rem); background: rgba(11,14,28,.7); color:#fff; }
.ba__tag--after{ right: clamp(.75rem, 2vw, 1.25rem); background: rgba(255,255,255,.9); color: var(--ink); text-align:right; }
.ba__range{ position:absolute; inset:auto 0 0 0; width:100%; height:1px; opacity:0; pointer-events:none; }
.ba__note{ margin-top: var(--sp-2); font-size: var(--fs-cap); color: var(--ink-mut); text-align:right; }

/* =========================================================
   施工事例
   ========================================================= */
.works{ background: var(--base); }
.works__note{ display:block; margin-top:.5rem; font-size: var(--fs-cap); color: var(--ink-mut); }
.works__grid{ display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: clamp(2rem, 3vw, 2.75rem) clamp(1rem, 2vw, 1.5rem); }
.card__link{ display:block; }
.card__media{ position:relative; aspect-ratio: 4 / 3; overflow:hidden; border-radius: var(--radius); background: var(--paper); }
.card__media img{ width:100%; height:100%; object-fit:cover; transform: scale(1.01); transition: transform 1s var(--ease-out); }
.card__link:hover .card__media img{ transform: scale(1.06); }
.card__body{ margin-top: 1rem; }
.card__title{ margin-top:.6rem; font-family: var(--f-mincho); font-size: var(--fs-h3); letter-spacing:.06em; line-height:1.55; }
.card__link:hover .card__title{ color: var(--accent-ink); }
.card__info{ margin-top:.2rem; font-size: var(--fs-cap); color: var(--ink-mut); letter-spacing:.06em; }
.card__link--more{
  display:flex; flex-direction:column; justify-content:space-between; gap:1rem;
  aspect-ratio: 4 / 3; padding: clamp(1.5rem, 2.4vw, 2rem);
  border-radius: var(--radius); background: var(--night); color: var(--on-dark);
  transition: background-color .4s;
}
.card__link--more:hover{ background: var(--accent-btn); }
.card__more-en{ font-family: var(--f-latin); font-style:italic; font-size: clamp(1.5rem, 2.2vw, 1.875rem); line-height:1.15; }
.card__more-jp{ font-size: var(--fs-sm); line-height:1.9; }
.card__more-id{ display:flex; align-items:center; justify-content:space-between; gap:1rem; font-weight:500; }
.arrow{ position:relative; width:44px; height:44px; flex:none; border-radius:50%; border:1px solid currentColor; }
.arrow::before{ content:""; position:absolute; left:50%; top:50%; width:9px; height:9px; margin:-5px 0 0 -7px; border-top:1.5px solid currentColor; border-right:1.5px solid currentColor; transform: rotate(45deg); }

/* =========================================================
   代表あいさつ
   ========================================================= */
.message{ background: var(--paper); }
.message__grid{ display:grid; grid-template-columns: repeat(12, minmax(0,1fr)); column-gap: var(--gutter); row-gap: var(--sp-5); align-items:center; }
.message__photo{ grid-column: 1 / span 5; position:relative; aspect-ratio: 4 / 5; overflow:hidden; border-radius: var(--radius-lg); }
.message__photo img{ width:100%; height:100%; object-fit:cover; object-position: 50% 30%; }
.message__body{ grid-column: 7 / -1; }
.message__text{ margin-top: 1.75rem; line-height:2.15; }
.message__sign{ display:flex; align-items:baseline; gap:1rem; margin-top: 2rem; font-size: var(--fs-cap); letter-spacing:.14em; color: var(--ink-mut); }
.message__sign span{ font-family: var(--f-mincho); font-weight:600; font-size: 1.5rem; letter-spacing:.16em; color: var(--ink); }
.facts{ display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; margin-top: 2.5rem; padding-top: 1.75rem; border-top:1px solid var(--line); }
.facts dt{ font-size: var(--fs-cap); letter-spacing:.14em; color: var(--ink-mut); }
.facts dd{ margin-top:.25rem; font-size: var(--fs-sm); font-weight:500; color: var(--ink); }
.facts__num{ font-family: var(--f-latin); font-size: clamp(2.25rem, 3.4vw, 3rem); line-height:1; letter-spacing:0; margin-right:.15em; font-variant-numeric: tabular-nums; }
.facts__num--jp{ font-family: var(--f-mincho); font-weight:600; font-size: clamp(1.5rem, 2.2vw, 1.875rem); letter-spacing:.06em; }

/* =========================================================
   ご依頼の流れ
   ========================================================= */
.flow{ background: var(--base); }
.steps{ display:grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: clamp(.75rem, 1.4vw, 1.25rem); }
.steps__item{
  position:relative; display:grid; align-content:start; justify-items:center; text-align:center;
  padding: 2rem 1.25rem 2.25rem; border-radius: var(--radius-lg); background: var(--surface); border:1px solid var(--line);
}
.steps__item + .steps__item::before{
  content:""; position:absolute; left: calc(clamp(.75rem, 1.4vw, 1.25rem) / -2 - 5px); top:50%; width:10px; height:10px; z-index:1;
  border-top:1.5px solid var(--accent); border-right:1.5px solid var(--accent); transform: translateY(-50%) rotate(45deg);
}
.steps__num{ display:grid; place-items:center; width:56px; height:56px; border-radius:50%; background: var(--accent-tint); font-family: var(--f-latin); font-size:1.375rem; color: var(--accent-ink); }
.steps__title{ margin-top: 1.25rem; font-family: var(--f-mincho); font-size: 1.125rem; letter-spacing:.06em; }
.steps__text{ margin-top:.6rem; font-size: var(--fs-cap); line-height:1.9; text-align:left; }

/* =========================================================
   よくある質問
   ========================================================= */
.faq{ background: var(--paper); }
.faq__grid{ display:grid; grid-template-columns: repeat(12, minmax(0,1fr)); column-gap: var(--gutter); }
.faq__grid > .sec-head{ grid-column: 1 / span 4; margin-bottom:0; align-self:start; position:sticky; top: calc(var(--header-h) + 2rem); }
.faq__list{ grid-column: 6 / -1; border-top:1px solid var(--line); }
.faq__item{ border-bottom:1px solid var(--line); }
.faq__item summary{
  position:relative; display:flex; gap:1rem; align-items:baseline;
  padding: 1.5rem 3rem 1.5rem 0; cursor:pointer; list-style:none;
  font-size: 1.0625rem; font-weight:700; line-height:1.7; color: var(--ink);
}
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::before{ content:"Q"; flex:none; font-family: var(--f-latin); font-weight:400; font-size:1.5rem; line-height:1; color: var(--accent-ink); }
.faq__item summary::after{
  content:""; position:absolute; right:.5rem; top:50%; width:14px; height:14px; margin-top:-7px;
  background: linear-gradient(currentColor,currentColor) center/14px 1.5px no-repeat, linear-gradient(currentColor,currentColor) center/1.5px 14px no-repeat;
  transition: transform .4s var(--ease-out);
}
.faq__item[open] summary::after{ transform: rotate(45deg); }
.faq__item summary:hover{ color: var(--accent-ink); }
.faq__answer{ position:relative; display:flex; gap:1rem; padding: 0 3rem 1.75rem 0; }
.faq__answer::before{ content:"A"; flex:none; font-family: var(--f-latin); font-size:1.5rem; line-height:1.2; color: var(--ink-mut); }
.faq__answer p{ font-size: var(--fs-sm); line-height:2; }

/* =========================================================
   会社概要・対応エリア
   ========================================================= */
.company{ background: var(--base); }
/* 広島の朝焼けイラスト（Codex 生成）。上部の淡い空に見出しを重ねる */
.hiroshima{ position:relative; display:flex; flex-direction:column-reverse; margin-bottom: clamp(3rem, 6vw, 5rem); border-radius: var(--radius-lg); overflow:hidden; background: #f4ece0; }
.hiroshima__image{ width:100%; height:auto; aspect-ratio: 2 / 1; object-fit:cover; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 16%); mask-image: linear-gradient(to bottom, transparent 0, #000 16%); }
.hiroshima__caption{ padding: clamp(1.75rem, 4vw, 3.25rem) clamp(1.5rem, 4vw, 3.5rem) 0; }
.hiroshima__title{ display:block; margin-top: 1rem; font-family: var(--f-mincho); font-weight:600; font-size: var(--fs-h2); line-height:1.55; letter-spacing:.08em; color: var(--ink); }
.company__grid{ display:grid; grid-template-columns: repeat(12, minmax(0,1fr)); column-gap: var(--gutter); row-gap: var(--sp-4); align-items:start; }
.company__table{ grid-column: 1 / span 7; border-top:1px solid var(--line); }
.company__table div{ display:grid; grid-template-columns: 7em minmax(0,1fr); gap:1rem; padding: 1.2rem 0; border-bottom:1px solid var(--line); }
.company__table dt{ font-size: var(--fs-sm); font-weight:700; color: var(--ink); }
.company__table dd{ font-size: var(--fs-sm); overflow-wrap:anywhere; }
.company__table a{ text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 4px; }
.company__table a:hover{ text-decoration-color: currentColor; }
.area{ grid-column: 9 / -1; padding: clamp(1.5rem, 3vw, 2.25rem); border-radius: var(--radius-lg); background: var(--paper); }
.area__title{ display:flex; align-items:center; gap:.6rem; font-family: var(--f-mincho); font-weight:600; font-size: 1.25rem; letter-spacing:.08em; color: var(--ink); }
.area__lead{ margin-top: .75rem; font-size: var(--fs-sm); }
.area__list{ display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:.5rem; margin-top: 1.25rem; }
.area__list li{ padding:.45rem .25rem; border-radius:8px; background: var(--surface); font-size: var(--fs-cap); font-weight:500; text-align:center; color: var(--ink); white-space:nowrap; }
.area__note{ margin-top: 1rem; font-size: var(--fs-cap); color: var(--ink-mut); }

/* =========================================================
   お問い合わせ（夜明け → 朝のフッターへ）
   ========================================================= */
.contact{ --tail: 70vh; position:relative; isolation:isolate; padding-block: var(--sec-pad) clamp(7rem, 14vw, 12rem); background: var(--night); color: var(--on-dark); }
/* 空はフッターの下まで続く1枚の背景（フッターは透過） */
.contact__sky{
  position:absolute; left:0; right:0; top:0; height: calc(100% + var(--tail)); z-index:-1; overflow:hidden;
  background: linear-gradient(to bottom,
    #0b0e1c 0, #121735 calc((100% - var(--tail)) * .42), #2a2448 calc((100% - var(--tail)) * .66),
    #6d4a64 calc((100% - var(--tail)) * .86), var(--morning) calc(100% - var(--tail)),
    #f5d7bf calc(100% - var(--tail) * .7), var(--base) calc(100% - var(--tail) * .3));
}
.contact__sun{
  position:absolute; left:50%; top: calc(100% - var(--tail)); width: min(110vw, 1400px); aspect-ratio: 2 / 1; border-radius:50%;
  transform: translate3d(-50%, calc(-50% + 12% - var(--cp, 0) * 12%), 0);
  background: radial-gradient(closest-side, rgba(255,232,196,.95) 0%, rgba(255,190,140,.6) 30%, rgba(240,140,90,.22) 62%, transparent 100%);
}
.contact__title{ margin-top: 1rem; font-family: var(--f-mincho); font-size: clamp(2rem, 4.4vw, 3.5rem); line-height:1.5; letter-spacing:.06em; color: var(--on-dark); }
.contact__lead{ margin-top: 1.25rem; font-size: var(--fs-lead); line-height:2.05; color: var(--on-dark); }

.contact__ways{ display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; max-width: 960px; margin-inline:auto; }
.way{
  display:grid; gap:.3rem; padding: 1.4rem 1.6rem;
  border:1px solid var(--line-dark); border-radius: var(--radius-lg);
  background: rgba(11,14,28,.4);
  transition: border-color .3s, background-color .3s;
}
.way:hover{ border-color: var(--accent); background: rgba(232,135,90,.14); }
.way__label{ font-size: var(--fs-cap); letter-spacing:.12em; color: var(--on-dark-mut); }
.way__value{ font-size: 1.125rem; font-weight:700; letter-spacing:.04em; overflow-wrap:anywhere; }
.way__value--tel{ font-size: 1.5rem; }

.form{
  display:grid; gap: 1.5rem; max-width: 960px; margin: 1.5rem auto 0;
  padding: clamp(1.5rem, 3vw, 2.75rem);
  border:1px solid var(--line-dark); border-radius: var(--radius-lg);
  background: rgba(11,14,28,.55);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.form__title{ font-family: var(--f-mincho); font-weight:600; font-size: var(--fs-h3); letter-spacing:.08em; color: var(--on-dark); }
.form__row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form__field{ display:grid; gap:.4rem; min-width:0; border:0; padding:0; margin:0; }
.form__label{ display:flex; align-items:center; gap:.6rem; padding:0; font-size: var(--fs-cap); letter-spacing:.1em; color: var(--on-dark); }
.form__label em{ font-style:normal; font-size:.6875rem; padding:.05em .55em; border-radius:999px; background: var(--accent); color: var(--night); letter-spacing:.08em; }
.form input[type="text"], .form textarea{
  width:100%; padding:.8rem 1rem; border:1px solid rgba(245,239,230,.28); border-radius:10px;
  background: rgba(245,239,230,.06); color: var(--on-dark); font-size:1rem; line-height:1.7;
  transition: border-color .3s, background-color .3s;
}
.form textarea{ resize:vertical; min-height: 7rem; }
.form input::placeholder, .form textarea::placeholder{ color: rgba(245,239,230,.45); }
.form input:focus, .form textarea:focus{ outline:none; border-color: var(--accent); background: rgba(245,239,230,.1); }
.form [aria-invalid="true"]{ border-color:#ff9b84; }
.form__chips{ display:flex; flex-wrap:wrap; gap:.5rem; }
.form__chips legend{ width:100%; margin-bottom:.6rem; }
.chip{ position:relative; }
.chip input{ position:absolute; inset:0; opacity:0; margin:0; cursor:pointer; }
.chip span{ display:inline-flex; align-items:center; min-height:40px; padding:.35rem 1rem; border:1px solid rgba(245,239,230,.3); border-radius:999px; font-size: var(--fs-cap); letter-spacing:.06em; transition: background-color .3s, color .3s, border-color .3s; }
.chip input:checked + span{ background: var(--accent); border-color: var(--accent); color: var(--night); }
.chip input:focus-visible + span{ outline:2px solid var(--accent); outline-offset:3px; }
.form__foot{ display:flex; flex-wrap:wrap; align-items:center; gap: 1rem 1.5rem; margin-top:.25rem; }
.form__note{ font-size: var(--fs-cap); color: var(--on-dark-mut); }
.form__note.is-error{ color:#ffb4a3; }

/* =========================================================
   Footer（日の出のあと＝朝）
   ========================================================= */
.footer{ position:relative; overflow:hidden; color: var(--ink); background: transparent; padding-top: clamp(2.5rem, 5vw, 4rem); }
.footer__inner{ display:flex; flex-wrap:wrap; justify-content:space-between; gap: var(--sp-4); padding-bottom: var(--sp-5); }
.footer__logo{ display:flex; align-items:center; gap:.65rem; font-family: var(--f-mincho); font-weight:800; font-size: 1.75rem; letter-spacing:.14em; line-height:1.2; }
.footer__logo-en{ margin-left:.5rem; font-family: var(--f-gothic); font-weight:500; font-size:.5625rem; letter-spacing:.32em; color: var(--ink-mut-warm); }
.footer__copy{ margin-top: .75rem; font-size: var(--fs-cap); color: var(--ink-mut-warm); }
.footer__nav{ display:grid; grid-template-columns: repeat(2, auto); gap: .1rem 2.5rem; align-content:start; font-size: var(--fs-sm); }
.footer__nav a{ display:inline-flex; align-items:center; min-height:40px; width:fit-content; transition: color .3s; }
.footer__nav a:hover{ color: var(--accent-ink); }
.footer__bottom{ position:relative; z-index:1; display:flex; justify-content:space-between; align-items:center; gap:1rem; padding-block: 1rem; background: linear-gradient(var(--line), var(--line)) var(--gutter) 0 / calc(100% - var(--gutter) * 2) 1px no-repeat; font-size: var(--fs-cap); color: var(--ink-mut-warm); }
.footer__top{ display:inline-flex; align-items:center; gap:.5rem; min-height:44px; font-size: var(--fs-cap); font-weight:500; color: var(--ink); }
.footer__mark{
  margin-top: -.25rem; margin-bottom: -0.2em;
  font-family: var(--f-latin); font-size: 23vw; line-height:.78; letter-spacing:-.02em; text-align:center; white-space:nowrap;
  background: linear-gradient(to bottom, rgba(168,70,30,.32), rgba(168,70,30,0) 85%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  user-select:none;
}

/* ---------- SP fixed CTA ---------- */
.sp-cta{ display:none; }

/* =========================================================
   Responsive（1200 / 1024 / 820 / 480）
   ========================================================= */
@media (max-width: 1200px){
  .header__tel{ display:none; }
  .steps{ grid-template-columns: repeat(3, minmax(0,1fr)); row-gap: 1.25rem; }
  .steps__item:nth-child(4)::before{ display:none; }
}

@media (max-width: 1024px){
  .nav{ display:none; }
  .menu-btn{ display:grid; }
  .promise__list{ grid-template-columns: 1fr; }
  .promise__item{ display:grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); column-gap: 2rem; }
  .promise__num{ grid-column:1; }
  .promise__title{ grid-column:1; }
  .promise__text{ grid-column:2; grid-row: 1 / span 2; align-self:center; margin-top:0; }
  .svc{ grid-template-columns: 1fr; }
  .works__grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .company__table, .area{ grid-column: 1 / -1; }
  .faq__grid > .sec-head{ position:static; grid-column: 1 / -1; margin-bottom: var(--sp-4); }
  .faq__list{ grid-column: 1 / -1; }
}

@media (max-width: 820px){
  :root{ --header-h: 64px; }
  body{ padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .header__cta{ display:none; }

  .hero{ min-height: 600px; }
  .hero__inner{ padding-bottom: 3rem; }
  .hero__eyebrow{ font-size: .8125rem; letter-spacing:.1em; }
  .hero__points, .hero__scroll{ display:none; }
  .hero__actions .btn{ flex: 1 1 100%; }

  .sec-head--split{ grid-template-columns: 1fr; }

  .concept__word, .concept__body{ grid-column: 1 / -1; }
  .promise__item{ display:block; }
  .promise__text{ margin-top:.9rem; }
  .svc__item{ grid-template-columns: 1fr; gap: 1rem; }
  .svc__icon{ width:56px; height:56px; }

  .ba{ aspect-ratio: 4 / 3; }
  .ba__knob{ width:52px; height:52px; margin:-26px 0 0 -26px; }

  .works__grid{ grid-template-columns: 1fr; }

  .message__photo, .message__body{ grid-column: 1 / -1; }
  .message__photo{ aspect-ratio: 4 / 3; }

  .steps{ grid-template-columns: 1fr; }
  .steps__item{ grid-template-columns: 56px minmax(0,1fr); column-gap: 1.25rem; justify-items:start; text-align:left; padding: 1.5rem; }
  .steps__num{ grid-row: 1 / span 2; }
  .steps__title{ margin-top: .2rem; }
  .steps__item + .steps__item::before{ left: calc(1.5rem + 23px); top: calc(-.375rem - 9px); transform: rotate(135deg); }
  .steps__item:nth-child(4)::before{ display:block; }

  .area__list{ grid-template-columns: repeat(4, minmax(0,1fr)); }

  .contact__ways{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }

  .footer__inner{ flex-direction:column; }
  .footer__mark{ font-size: 24vw; }

  .sp-cta{
    position:fixed; left:0; right:0; bottom:0; z-index:58;
    display:grid; grid-template-columns: 1fr 1.4fr; gap:.5rem;
    padding: .6rem var(--gutter) calc(.6rem + env(safe-area-inset-bottom));
    background: rgba(250,248,244,.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 -1px 0 var(--line);
    transform: translateY(110%); transition: transform .5s var(--ease-out);
  }
  .sp-cta.is-visible{ transform:none; }
  .sp-cta__btn{ display:flex; align-items:center; justify-content:center; min-height:48px; border-radius:999px; border:1px solid var(--line); background: var(--surface); color: var(--ink); font-size: var(--fs-sm); font-weight:700; letter-spacing:.08em; }
  .sp-cta__btn--primary{ background: var(--accent-btn); border-color: var(--accent-btn); color:#fff; }
}

@media (max-width: 480px){
  .logo__jp{ font-size: 1.25rem; }
  .area__list{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .company__table div{ grid-template-columns: 5.5em minmax(0,1fr); }
  .facts{ gap:.5rem; }
}

/* ---------- Preview badge（プレビュー用。正式公開時に削除） ---------- */
.preview-badge{
  position:fixed; left:12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index:54;
  display:flex; align-items:center; gap:.5rem;
  padding:.35rem .85rem; border-radius:999px;
  background: rgba(11,14,28,.82); color: var(--on-dark);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-size:.6875rem; font-weight:500; line-height:1.4; letter-spacing:.1em;
  pointer-events:none;
  transition: bottom .5s var(--ease-out);
}
.preview-badge::before{ content:""; width:6px; height:6px; border-radius:50%; background: var(--accent); flex:none; }
@media (max-width: 820px){
  .sp-cta.is-visible ~ .preview-badge{ bottom: calc(76px + env(safe-area-inset-bottom)); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; transition-delay:0s!important; scroll-behavior:auto!important; }
  .js .hero__title .ch{ transform:none; }
  .js [data-reveal], .js [data-hero-fade]{ opacity:1; transform:none; }
}