/* ○○工務店 スクロール体験 — スタイル
   色：夜明け前の紺（信頼）× 木肌のアンバー（ぬくもり）× 図面の紙色 */
:root {
  --navy: #0c1826;
  --navy2: #132a41;
  --ink: #1d2733;
  --paper: #f3efe7;
  --paper2: #e9e2d5;
  --wood: #c98c4f;
  --amber: #f0b44c;
  --sky: #4d8fcf;
  --muted: #5d6874;
  --line: rgba(255, 255, 255, .16);
  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", "Noto Serif CJK JP", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "YuGothic", "Meiryo", "Noto Sans JP", sans-serif;
  --en: "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --gut: clamp(16px, 4vw, 56px);
  --p: 0;
  --tb: 0px; /* スマホのアドレスバーぶん（出ているときに下端のUIが隠れないように） */
}
@supports (height: 100svh) { :root { --tb: calc(100vh - 100svh); } }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
body {
  margin: 0; background: var(--navy); color: #fff; font-family: var(--sans);
  font-size: 16px; line-height: 1.8; letter-spacing: .04em; overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img, video, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.pc { display: none; }
@media (min-width: 900px) { .pc { display: inline; } }
.skip { position: fixed; left: 8px; top: -60px; z-index: 100; background: #fff; color: var(--navy); padding: 8px 14px; border-radius: 6px; }
.skip:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.eyebrow { margin: 0 0 12px; font: 600 11px/1.4 var(--en); letter-spacing: .32em; color: var(--amber); }
.eyebrow--dark { color: var(--wood); }
.sec-h { margin: 0; font: 600 clamp(28px, 4.4vw, 54px)/1.35 var(--serif); letter-spacing: .06em; }

/* ---------- ヘッダー ---------- */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 64px;
  display: flex; align-items: center; gap: 24px; padding: 0 var(--gut);
  background: linear-gradient(rgba(8, 16, 26, .55), rgba(8, 16, 26, 0));
  transition: background .4s, box-shadow .4s;
}
.hdr.solid { background: rgba(10, 21, 34, .88); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.brand { display: flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; }
.brand-mark { width: 30px; height: 25px; color: #fff; }
.brand-name { font: 600 19px/1 var(--serif); letter-spacing: .14em; }
.gnav { display: none; margin-left: auto; gap: 4px; }
.gnav a { display: flex; align-items: center; min-height: 44px; padding: 0 12px; font-size: 13px; text-decoration: none; opacity: .82; transition: opacity .2s; }
.gnav a:hover { opacity: 1; }
.hdr-cta {
  margin-left: auto; display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px;
  border-radius: 999px; background: var(--amber); color: var(--navy); font-weight: 700; font-size: 14px; text-decoration: none;
}
@media (min-width: 1080px) { .gnav { display: flex; } .hdr-cta { margin-left: 8px; } }

/* ---------- メジャー（進捗） ---------- */
.tape { position: fixed; z-index: 45; pointer-events: none; }
.tape-fill { background: var(--amber); }
@media (min-width: 900px) {
  .tape { right: 14px; top: 96px; bottom: 36px; width: 22px; }
  .tape-track {
    position: absolute; inset: 0; border-radius: 3px; overflow: hidden;
    background:
      repeating-linear-gradient(to bottom, rgba(255,255,255,.55) 0 1px, transparent 1px 50px) right / 12px 100% no-repeat,
      repeating-linear-gradient(to bottom, rgba(255,255,255,.3) 0 1px, transparent 1px 10px) right / 6px 100% no-repeat,
      rgba(10, 20, 32, .35);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
  }
  .tape-fill { position: absolute; inset: 0; transform-origin: top; transform: scaleY(var(--p)); opacity: .85; }
  .tape-read {
    position: absolute; right: 30px; top: calc(var(--p) * 100%); transform: translateY(-50%);
    font: 700 11px/1 var(--en); letter-spacing: .08em; color: var(--amber); white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0,0,0,.6);
  }
  .tape-read small { margin-left: 2px; font-size: 9px; opacity: .8; }
}
@media (max-width: 899px) {
  .tape { left: 0; right: 0; top: 0; height: 3px; }
  .tape-track { position: absolute; inset: 0; }
  .tape-fill { position: absolute; inset: 0; transform-origin: left; transform: scaleX(var(--p)); }
  .tape-read { display: none; }
}

/* ---------- レーザー墨出しカーソル ---------- */
.laser { display: none; }
html.fine .laser { display: block; position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: 0; transition: opacity .4s; }
html.fine .laser.on { opacity: 1; }
.laser-h, .laser-v { position: absolute; background: rgba(255, 92, 60, .42); box-shadow: 0 0 6px rgba(255, 92, 60, .55); }
.laser-h { left: 0; right: 0; top: 0; height: 1px; transform: translateY(var(--ly, -10px)); }
.laser-v { top: 0; bottom: 0; left: 0; width: 1px; transform: translateX(var(--lx, -10px)); }
.laser-dot {
  position: absolute; left: 0; top: 0; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%;
  border: 1px solid rgba(255, 120, 80, .9); transform: translate(var(--lx), var(--ly)) scale(var(--ls, .35));
  transition: transform .18s cubic-bezier(.3,.7,.3,1), background .2s;
}
.laser.hot .laser-dot { background: rgba(255, 120, 80, .14); }
.laser.hot .laser-h, .laser.hot .laser-v { opacity: .25; }
.laser-read {
  position: absolute; left: 0; top: 0; transform: translate(calc(var(--lx) + 14px), calc(var(--ly) + 12px));
  font: 600 10px/1 var(--en); letter-spacing: .1em; color: rgba(255, 150, 120, .95); white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0,0,0,.7);
}
.ripple {
  position: fixed; z-index: 60; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 50%;
  border: 2px solid rgba(240, 180, 76, .9); pointer-events: none; animation: ripple .7s ease-out forwards;
}
@keyframes ripple { to { transform: scale(7); opacity: 0; } }

/* ---------- ① ストーリー ---------- */
.story { position: relative; background: #000; }
.story-stage { position: relative; overflow: hidden; }
.js .story { height: 1000vh; }
.js .story-stage { position: sticky; top: 0; height: 100vh; }
.story-media { position: absolute; inset: -3%; transform: translate3d(var(--mx, 0), var(--my, 0), 0) scale(1.02); will-change: transform; }
.story-poster, .story-video, .story-seq { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story-video, .story-seq { opacity: 0; transition: opacity .6s; }
.story-video.ready, .story-seq.ready { opacity: 1; }
.story-dust { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.story-shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(6, 13, 22, .72) 0%, rgba(6, 13, 22, .28) 42%, rgba(6, 13, 22, 0) 65%),
    linear-gradient(0deg, rgba(6, 13, 22, .75) 0%, rgba(6, 13, 22, 0) 38%),
    linear-gradient(180deg, rgba(6, 13, 22, .45) 0%, rgba(6, 13, 22, 0) 22%);
}
.story-top { position: absolute; left: var(--gut); right: var(--gut); top: 84px; display: flex; justify-content: space-between; align-items: baseline; }
.story-timecode { margin: 0; font: 600 12px/1 var(--en); letter-spacing: .14em; color: rgba(255,255,255,.7); }
.story-timecode span { color: var(--amber); }

.caps { list-style: none; margin: 0; padding: 0; }
.cap { position: absolute; left: var(--gut); bottom: clamp(120px, 17vh, 170px); max-width: min(860px, 92vw); }
.js .cap { opacity: 0; visibility: hidden; }
.cap-no { display: inline-block; margin-right: 12px; font: 700 clamp(30px, 3.6vw, 44px)/1 var(--en); color: #fff; vertical-align: middle; }
.cap-tag {
  display: inline-block; vertical-align: middle; padding: 5px 12px; border-radius: 3px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); font-size: 12px; letter-spacing: .16em;
}
.cap-h {
  margin: 18px 0 14px; font: 600 clamp(28px, 4.5vw, 64px)/1.36 var(--serif); letter-spacing: .06em;
  text-shadow: 0 2px 24px rgba(0,0,0,.45);
}
.cap-h--hand { font-style: italic; }
.cap-p { margin: 0; font-size: clamp(14px, 1.3vw, 16px); color: rgba(255,255,255,.88); text-shadow: 0 1px 8px rgba(0,0,0,.6); }
.cap .ln { display: inline-block; }

.chapters { position: absolute; right: calc(var(--gut) + 30px); bottom: 34px; display: flex; gap: 6px; }
.chapters button {
  position: relative; width: 34px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer;
}
.chapters button::before {
  content: ""; position: absolute; left: 3px; right: 3px; bottom: 12px; height: 3px; border-radius: 2px;
  background: rgba(255,255,255,.3); transition: background .3s;
}
.chapters button::after {
  content: ""; position: absolute; left: 3px; right: 3px; bottom: 12px; height: 3px; border-radius: 2px;
  background: var(--amber); transform-origin: left; transform: scaleX(var(--f, 0));
}
.chapters img, .chapters span {
  position: absolute; left: 50%; bottom: 46px; transform: translate(-50%, 8px); opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s;
}
.chapters img { width: 150px; height: 84px; object-fit: cover; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,.5); bottom: 70px; }
.chapters span { white-space: nowrap; font-size: 12px; background: rgba(8,16,26,.8); padding: 3px 9px; border-radius: 3px; }
.chapters button:hover img, .chapters button:hover span, .chapters button:focus-visible img, .chapters button:focus-visible span { opacity: 1; transform: translate(-50%, 0); }
.no-js .chapters { display: none; }

.scroll-hint { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); display: grid; justify-items: center; gap: 8px; font: 600 10px/1 var(--en); letter-spacing: .3em; transition: opacity .4s; }
.scroll-hint i { width: 1px; height: 46px; background: linear-gradient(#fff, transparent); animation: hint 1.8s ease-in-out infinite; transform-origin: top; }
@keyframes hint { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
.vload { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(255,255,255,.1); transition: opacity .6s; }
.vload i { display: block; height: 100%; width: 100%; background: rgba(240,180,76,.8); transform-origin: left; transform: scaleX(var(--v, 0)); }
.no-js .vload, .no-js .scroll-hint { display: none; }

/* JSなしの受け皿：キャプションを縦に並べて読めるようにする */
.no-js .story-stage { min-height: 100vh; }
.no-js .story-media { position: fixed; z-index: 0; }
.no-js .caps { position: relative; z-index: 2; padding: 140px var(--gut) 80px; display: grid; gap: 22vh; }
.no-js .cap { position: relative; left: auto; bottom: auto; }
.no-js .story-top { z-index: 2; }

@media (max-width: 899px) {
  .story-top { top: 76px; }
  .story-shade {
    background:
      linear-gradient(0deg, rgba(6, 13, 22, .85) 0%, rgba(6, 13, 22, .35) 45%, rgba(6, 13, 22, 0) 70%),
      linear-gradient(180deg, rgba(6, 13, 22, .5) 0%, rgba(6, 13, 22, 0) 24%);
  }
  .cap { bottom: calc(86px + var(--tb)); right: var(--gut); }
  .cap-h { margin: 12px 0 10px; }
  .chapters { left: var(--gut); right: var(--gut); bottom: calc(30px + var(--tb)); gap: 4px; pointer-events: none; }
  .chapters button { flex: 1; width: auto; height: 12px; }
  .chapters button::before, .chapters button::after { left: 0; right: 0; bottom: 4px; }
  .chapters img, .chapters span { display: none; }
  .scroll-hint { display: none; }
  .story-top .eyebrow { display: none; }
}

/* ---------- ② 3Dで家ができるまで ---------- */
.build { position: relative; background: var(--paper); color: var(--ink); }
.build-stage { position: relative; overflow: hidden; min-height: 100vh; }
.js .build { height: 620vh; }
.js .build-stage { position: sticky; top: 0; height: 100vh; }
.build-sky {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 70% 110%, rgba(240,180,76,calc(var(--dusk, 0) * .55)), transparent 60%),
    linear-gradient(180deg,
      color-mix(in srgb, #dfe9f2 calc(100% - var(--dusk, 0) * 100%), #1c2a40) 0%,
      color-mix(in srgb, var(--paper) calc(100% - var(--dusk, 0) * 100%), #6a5a58) 100%);
}
.build-sky::after {
  content: ""; position: absolute; inset: 0; opacity: calc(.55 - var(--dusk, 0) * .5);
  background-image:
    linear-gradient(rgba(77,143,207,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,143,207,.16) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(80% 70% at 60% 55%, #000, transparent);
  -webkit-mask-image: radial-gradient(80% 70% at 60% 55%, #000, transparent);
}
.build-canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; opacity: 0; transition: opacity .8s; }
.build-canvas.ready { opacity: 1; }
.build-canvas.drag { cursor: grabbing; }
.build-fallback { display: none; }
.no-js .build-fallback, .no3d .build-fallback { display: block; position: relative; width: min(1100px, calc(100% - 2 * var(--gut))); margin: 280px auto 80px; border-radius: 6px; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.no3d .build-canvas, .no3d .build-drag { display: none; }
.no3d .build { height: auto; }
.no3d .build-stage { position: relative; height: auto; }
.build-head { position: absolute; left: var(--gut); top: 104px; max-width: 460px; pointer-events: none; }
.build-lead { margin: 16px 0 0; font-size: 14px; color: var(--muted); transition: color .6s; }
.build-steps { position: absolute; left: var(--gut); bottom: 56px; list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.build-steps li {
  position: relative; display: flex; align-items: center; gap: 14px; min-height: 40px; padding: 0 14px 0 0; cursor: pointer;
  font-size: 15px; letter-spacing: .1em; opacity: .45; transition: opacity .3s;
}
.build-steps li b { font: 700 12px/1 var(--en); color: var(--wood); width: 22px; }
.build-steps li i { position: absolute; left: 36px; right: 0; bottom: 4px; height: 2px; background: currentColor; opacity: .5; transform-origin: left; transform: scaleX(var(--f, 0)); }
.build-steps li.on { opacity: 1; }
.build-steps li.done { opacity: .75; }
.build-info {
  position: absolute; right: calc(var(--gut) + 30px); bottom: 56px; width: min(360px, 40vw);
  padding: 22px 24px; border-radius: 6px; background: rgba(255,255,255,.82); color: var(--ink);
  box-shadow: 0 18px 50px rgba(12, 24, 38, .16); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.build-info-k { margin: 0; font: 700 11px/1 var(--en); letter-spacing: .28em; color: var(--wood); }
.build-info-t { margin: 8px 0 6px; font: 600 24px/1.4 var(--serif); }
.build-info-d { margin: 0; font-size: 14px; line-height: 1.8; color: #3b4652; }
.tip {
  position: absolute; left: 0; top: 0; z-index: 3; pointer-events: none; padding: 8px 12px; border-radius: 4px;
  background: var(--navy); color: #fff; font-size: 12px; line-height: 1.6; width: max-content; max-width: 280px; opacity: 0;
  transform: translate(var(--tx, 0), var(--ty, 0)); transition: opacity .15s;
}
.tip.on { opacity: 1; }
.tip b { color: var(--amber); margin-right: 6px; }
.build-drag { position: absolute; right: calc(var(--gut) + 30px); top: 104px; margin: 0; display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); pointer-events: none; }
.build-drag i { width: 26px; height: 26px; border: 1px solid currentColor; border-radius: 50%; position: relative; }
.build-drag i::after { content: ""; position: absolute; inset: 9px; border-radius: 50%; background: currentColor; animation: dragx 2.2s ease-in-out infinite; }
@keyframes dragx { 0%,100% { transform: translateX(-6px); } 50% { transform: translateX(6px); } }
.build.dusk .build-lead, .build.dusk .build-drag { color: rgba(255,255,255,.8); }
.build.dusk .build-head { color: #fff; }
.build.dusk .build-steps { color: #fff; }
.no-js .build-steps, .no-js .build-info, .no-js .build-drag { display: none; }
.no-js .build-head { position: relative; top: auto; left: auto; padding: 120px var(--gut) 0; }
.no-js .build-fallback { margin-top: 40px; }

@media (max-width: 899px) {
  .build-head { top: 84px; right: var(--gut); }
  .build-head .sec-h { font-size: 26px; }
  .build-lead { font-size: 12px; margin-top: 8px; }
  .build-steps { left: var(--gut); right: var(--gut); bottom: auto; top: calc(84px + 150px); display: flex; gap: 2px; }
  .build-steps li { flex: 1; flex-direction: column; gap: 0; min-height: 44px; padding: 0; font-size: 10px; letter-spacing: 0; justify-content: center; }
  .build-steps li b { width: auto; font-size: 10px; }
  .build-steps li i { left: 0; bottom: 0; }
  .build-info { left: var(--gut); right: var(--gut); width: auto; bottom: calc(20px + var(--tb)); padding: 14px 16px; }
  .build-info-t { font-size: 18px; margin: 4px 0 2px; }
  .build-info-d { font-size: 12px; line-height: 1.7; }
  .build-drag { display: none; }
  .no3d .build-steps, .no3d .build-info { display: none; }
}

/* ---------- ③ 施工の流れ ---------- */
.flow { position: relative; background: #0a131e; }
.flow-stage { position: relative; overflow: hidden; }
.js .flow { height: 700vh; }
.js .flow-stage { position: sticky; top: 0; height: 100vh; }
.flow-pan { position: absolute; left: 0; top: 0; will-change: transform; }
.no-js .flow-pan { position: relative; }
.flow-svg { width: 100%; height: 100%; }
.no-js .flow-svg { width: 100%; height: auto; aspect-ratio: 1672 / 941; }
.flow-dim { fill: rgba(6, 12, 20, .72); }
.no-js .flow-dim, .no-js .flow-edge { display: none; }
.flow-edge { fill: none; stroke: var(--amber); stroke-width: 3; filter: drop-shadow(0 0 6px rgba(240,180,76,.8)); }
.flow-hit { fill: transparent; cursor: pointer; }
.flow-head { position: absolute; left: var(--gut); top: 96px; text-shadow: 0 2px 16px rgba(0,0,0,.6); pointer-events: none; }
.no-js .flow-head { position: relative; top: auto; left: auto; padding: 100px var(--gut) 24px; }
.flow-card {
  position: absolute; right: calc(var(--gut) + 30px); bottom: 48px; width: min(400px, 42vw);
  padding: 24px 26px 22px; border-radius: 6px; background: rgba(9, 18, 29, .86); border: 1px solid var(--line);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.no-js .flow-card { display: none; }
.flow-no { margin: 0; font: 700 38px/1 var(--en); color: var(--amber); }
.flow-no small { font-size: 14px; color: rgba(255,255,255,.5); margin-left: 4px; }
.flow-t { margin: 10px 0 8px; font: 600 24px/1.4 var(--serif); }
.flow-d { margin: 0; font-size: 14px; color: rgba(255,255,255,.84); min-height: 5.4em; }
.flow-bar { margin-top: 16px; height: 2px; background: rgba(255,255,255,.15); }
.flow-bar i { display: block; height: 100%; background: var(--amber); transform-origin: left; transform: scaleX(var(--f, 0)); }
.flow-list { display: none; }
.no-js .flow-list { display: grid; gap: 14px; margin: 0; padding: 32px var(--gut) 80px; list-style: none; color: rgba(255,255,255,.85); font-size: 14px; }
.no-js .flow-list b { display: block; color: var(--amber); font-size: 16px; }
@media (max-width: 899px) {
  .flow-head { top: 80px; }
  .flow-card { left: var(--gut); right: var(--gut); width: auto; bottom: calc(20px + var(--tb)); padding: 16px 18px; }
  .flow-no { font-size: 28px; }
  .flow-t { font-size: 19px; margin: 6px 0 4px; }
  .flow-d { font-size: 12.5px; line-height: 1.7; min-height: 0; }
}

/* ---------- ④ 私たちの約束 ---------- */
.promise {
  position: relative; background: var(--paper); color: var(--ink);
  display: grid; grid-template-columns: 1fr; gap: 48px; padding: 120px var(--gut);
}
.promise-visual {
  position: relative; aspect-ratio: 4 / 3; border-radius: 6px; overflow: hidden; touch-action: pan-y;
  --lx: 50%; --ly: 50%; --lr: 0px; box-shadow: 0 30px 70px rgba(12,24,38,.22);
}
.promise-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.promise-img--base { filter: grayscale(.85) brightness(.72) contrast(1.05) sepia(.25) hue-rotate(170deg); }
.promise-img--lens {
  -webkit-mask-image: radial-gradient(circle at var(--lx) var(--ly), #000 calc(var(--lr) - 2px), transparent var(--lr));
  mask-image: radial-gradient(circle at var(--lx) var(--ly), #000 calc(var(--lr) - 2px), transparent var(--lr));
}
.no-js .promise-img--base { filter: none; }
.lens-ring {
  position: absolute; left: var(--lx); top: var(--ly); width: calc(var(--lr) * 2); height: calc(var(--lr) * 2);
  transform: translate(-50%, -50%); border-radius: 50%; border: 1px solid rgba(255,255,255,.85);
  box-shadow: 0 0 0 1px rgba(0,0,0,.15), 0 0 30px rgba(255,255,255,.2); pointer-events: none;
}
.lens-hint {
  position: absolute; left: 16px; bottom: 14px; margin: 0; padding: 6px 12px; border-radius: 999px;
  background: rgba(8,16,26,.7); color: #fff; font-size: 12px; pointer-events: none; transition: opacity .5s;
}
.promise-visual.touched .lens-hint { opacity: 0; }
.promise-lead { margin: 22px 0 36px; color: #3b4652; }
.pledges { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: rgba(29,39,51,.12); border-block: 1px solid rgba(29,39,51,.12); }
.pledge { display: grid; grid-template-columns: 48px 1fr; column-gap: 12px; padding: 20px 0; background: var(--paper); }
.pledge-n { grid-row: span 2; font: 700 13px/2.2 var(--en); color: var(--wood); letter-spacing: .1em; }
.pledge h3 { margin: 0; font: 600 20px/1.5 var(--serif); }
.pledge p { margin: 4px 0 0; font-size: 14px; color: #4a5561; }
.stats { margin: 40px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
.stats div { border-left: 2px solid var(--wood); padding-left: 14px; }
.stats dt { font-size: 12px; color: var(--muted); }
.stats dd { margin: 2px 0 0; font-family: var(--en); line-height: 1.1; }
.stats b { font-size: clamp(34px, 4vw, 48px); font-weight: 700; color: var(--navy); letter-spacing: .01em; }
.stats small { font-family: var(--sans); font-size: 14px; margin: 0 2px; color: var(--ink); }
.note { margin: 18px 0 0; font-size: 11px; color: var(--muted); }
@media (min-width: 980px) {
  .promise { grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: start; padding-block: 160px; }
  .promise-visual { position: sticky; top: 110px; }
  .stats { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- ⑤ 事業内容 ---------- */
.service { background: var(--paper2); color: var(--ink); padding: 110px var(--gut) 130px; }
.service-head { max-width: 1200px; margin: 0 auto 48px; }
.cards { list-style: none; margin: 0 auto; padding: 0; max-width: 1200px; display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 28px; } }
.card { perspective: 900px; }
.card-in {
  position: relative; height: 100%; padding: 34px 30px 36px; border-radius: 8px; overflow: hidden;
  background: #fff; box-shadow: 0 12px 40px rgba(12,24,38,.1);
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .4s;
  transform-style: preserve-3d;
}
.card.active .card-in { transition: transform .08s linear, box-shadow .4s; box-shadow: 0 24px 60px rgba(12,24,38,.2); }
.card-ic { width: 46px; height: 46px; color: var(--navy2); transform: translateZ(40px); }
.card-k { margin: 22px 0 4px; font: 700 11px/1 var(--en); letter-spacing: .28em; color: var(--wood); }
.card h3 { margin: 0 0 12px; font: 600 22px/1.5 var(--serif); }
.card p { margin: 0; font-size: 14px; color: #4a5561; }
.card-glare {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), rgba(240,180,76,.28), transparent 45%);
}
.card.active .card-glare { opacity: 1; }

/* ---------- ⑥ お問い合わせ ---------- */
.cta { position: relative; min-height: 100vh; display: grid; align-items: center; padding: 120px var(--gut); overflow: hidden; }
.cta-bg img { position: absolute; inset: 0; width: 100%; height: 115%; object-fit: cover; transform: translateY(var(--cy, 0)); }
.cta::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(8,18,30,.86) 0%, rgba(8,18,30,.55) 50%, rgba(8,18,30,.2) 100%); }
.cta-in { position: relative; z-index: 2; max-width: 680px; }
.cta-h { margin: 0; font: 600 clamp(28px, 4.6vw, 60px)/1.3 var(--serif); letter-spacing: .08em; }
.cta-lead { margin: 20px 0 32px; color: rgba(255,255,255,.88); }
.cta-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 0 30px; border-radius: 999px;
  font-weight: 700; font-size: 15px; text-decoration: none; border: 0; cursor: pointer; transition: box-shadow .3s;
}
.btn span { display: block; pointer-events: none; }
.btn--main { background: var(--amber); color: var(--navy); box-shadow: 0 10px 30px rgba(240,180,76,.35); }
.btn--main:hover { box-shadow: 0 14px 40px rgba(240,180,76,.55); }
.btn--sub { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.4); text-align: center; line-height: 1.35; padding-block: 8px; }
.btn--sub small { display: block; font-weight: 400; font-size: 11px; opacity: .8; }
.form { margin-top: 40px; padding: 26px; border-radius: 8px; background: rgba(255,255,255,.08); border: 1px solid var(--line); display: grid; gap: 14px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.form-t { margin: 0; font-weight: 700; }
.form label { display: grid; gap: 6px; font-size: 13px; }
.form input, .form select {
  font: inherit; font-size: 16px; min-height: 48px; padding: 0 14px; border-radius: 4px; border: 1px solid rgba(255,255,255,.3);
  background: rgba(8,16,26,.5); color: #fff;
}
.form select option { color: var(--ink); }
.form .btn { justify-self: start; }
.form-msg { margin: 0; min-height: 1.5em; font-size: 13px; color: var(--amber); }
@media (max-width: 899px) {
  .cta::before { background: linear-gradient(0deg, rgba(8,18,30,.92) 30%, rgba(8,18,30,.45) 100%); }
  .cta { align-items: end; }
  .btn { width: 100%; }
}

/* ---------- フッター ---------- */
.ftr { padding: 48px var(--gut) 40px; background: #07101a; color: rgba(255,255,255,.7); font-size: 12px; }
.ftr p { margin: 0 0 8px; }
.ftr-brand { font: 600 20px/1.4 var(--serif); color: #fff; letter-spacing: .12em; }
.ftr-brand small { margin-left: 12px; font-size: 12px; color: rgba(255,255,255,.6); }

/* ---------- 動きを減らす設定 ---------- */
@media (prefers-reduced-motion: reduce) {
  .scroll-hint i, .build-drag i::after { animation: none; }
  html.fine .laser { display: none; }
}
.no-js .build-stage { display: flex; flex-direction: column; }
.no-js .build-head { order: -1; }