/* =========================================================
   石川住建設 ご提案専用見本
   配色：ガルバリウムの銀鼠 × 鉄黒 × 錆止めプライマーの赤
   様式：⑬男性らしい × ⑥信頼感（機能重視・太ゴシック）
   ========================================================= */

:root {
  color-scheme: only light;
  --ink: #1b1f24; /* 鉄黒 */
  --steel: #3c4650; /* 鋼 */
  --zinc: #eceff1; /* 銀鼠（明） */
  --zinc-deep: #c8cfd4; /* 銀鼠（濃） */
  --primer: #a63d2f; /* 錆止めプライマーの赤 */
  --paper: #ffffff;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Oswald", sans-serif;

  /* 文字サイズ（03_レビューゲートの18px仕様＝正本）。
     数値を直接書かず、必ずこの変数を使う。手癖で16pxと書く事故の防止（2026-08-01） */
  --fs-body: 18px; /* 本文・説明文・表・リスト */
  --fs-h3: 24px; /* 小見出し（本文との逆転禁止＝20px以上） */
  --fs-h4: 20px; /* カード見出し（下限） */
  --fs-label: 15px; /* キャプション・ラベル・バッジ */
  --fs-note: 14px; /* 注記（これより小さくしない） */
  --fs-deco: 15px; /* 読ませない装飾英字（最低12px） */
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.nw {
  display: inline-block;
  white-space: nowrap;
}

.pc-br {
  display: none;
}

/* ---------- 提案注釈 ---------- */
.notice-bar {
  background: var(--ink);
  color: #fff;
  font-size: var(--fs-note);
  line-height: 1.6;
  text-align: center;
  padding: 8px 16px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--zinc-deep);
  position: relative;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--steel) 0%, var(--ink) 60%);
  clip-path: polygon(
    0 100%,
    0 35%,
    50% 0,
    100% 35%,
    100% 100%,
    62% 100%,
    62% 55%,
    38% 55%,
    38% 100%
  );
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand-sub {
  font-size: var(--fs-note);
  color: var(--steel);
}

.header-tel {
  text-decoration: none;
  text-align: right;
  line-height: 1.3;
}

.tel-label {
  display: block;
  font-size: var(--fs-note);
  color: var(--steel);
}

.tel-number {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.menu-btn {
  display: none;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 10px 14px;
  cursor: pointer;
}

.menu-icon {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: #fff;
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: #fff;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.global-nav {
  border-top: 1px solid var(--zinc-deep);
  background: var(--paper);
}

.global-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1120px;
  margin: 0 auto;
}

.global-nav a {
  display: block;
  padding: 12px 18px;
  font-size: var(--fs-body);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.global-nav a:hover {
  border-bottom-color: var(--primer);
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, #262c33 0%, #3c4650 55%, #4a555f 100%);
  color: #fff;
  overflow: hidden;
}

/* 立平葺きの縦ハゼ */
.hero-roof {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0px,
    rgba(255, 255, 255, 0) 72px,
    rgba(255, 255, 255, 0.1) 72px,
    rgba(255, 255, 255, 0.16) 76px,
    rgba(0, 0, 0, 0.28) 80px,
    rgba(0, 0, 0, 0) 88px
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 88px 20px 72px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--primer);
  padding: 6px 14px;
  margin-bottom: 24px;
}

.hero-kind {
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  color: #fff;
}

.hero-kind-strong {
  font-size: 1.25em;
  font-weight: 900;
  border-bottom: 3px solid var(--primer);
  padding-bottom: 2px;
}

.hero-merits {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.hero-merits li {
  font-size: var(--fs-label);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  padding: 6px 16px;
}

.hero-merits li::before {
  content: "✓ ";
  color: #f0a58c;
}

.hero-title {
  font-size: clamp(28px, 6vw, 60px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.hero-lead {
  font-size: clamp(18px, 2vw, 20px);
  max-width: 40em;
  margin-bottom: 6px;
}

.hero-lead-2 {
  margin-bottom: 20px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 6px;
  padding: 14px 30px;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primer);
  color: #fff;
  font-family: var(--font-en);
  font-size: 26px;
  letter-spacing: 0.03em;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.btn-primary .btn-small {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 700;
}

.btn-primary:hover {
  background: #8f3325;
}

.btn-ghost {
  border: 2px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  font-size: var(--fs-body);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-ig {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.ig-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.ig-icon-lg {
  width: 26px;
  height: 26px;
  vertical-align: -7px;
  margin-right: 8px;
}

.hero-note {
  font-size: var(--fs-note);
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- セクション共通 ---------- */
.section {
  padding: 80px 20px;
}

.section > * {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-en {
  display: block;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--primer);
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 900;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.section-lead {
  font-size: var(--fs-body);
  color: var(--steel);
  max-width: 42em;
  margin: 0 auto;
}

.section-gray {
  background: var(--zinc);
}

.section-dark {
  background: linear-gradient(180deg, #1f252b 0%, #2a323a 100%);
  color: #fff;
}

.section-dark .section-lead {
  color: var(--zinc-deep);
}

.section-dark .section-en {
  color: #e08a6f;
}

/* ---------- 3本柱 ---------- */
.pillar-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 64px;
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  padding: 26px 24px;
  transition: transform 0.15s ease;
}

.pillar:hover {
  transform: translateY(-3px);
}

.pillar-no {
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #e08a6f;
}

.pillar-name {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.pillar-desc {
  font-size: var(--fs-body);
  color: var(--zinc-deep);
}

.pillar-for {
  align-self: flex-start;
  margin-top: 12px;
  font-size: var(--fs-label);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  padding: 3px 12px;
}

/* ---------- お困りごとグループ ---------- */
.pillar-group {
  margin-bottom: 56px;
  scroll-margin-top: 0;
}

.pillar-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0 16px;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 12px;
  margin-bottom: 28px;
}

.pillar-head-no {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  color: var(--primer);
}

.pillar-head h3 {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.pillar-head p {
  font-size: var(--fs-body);
  color: var(--steel);
  flex-basis: 100%;
  margin-top: 4px;
}

.trouble-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.trouble-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 800px;
}

.trouble-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--zinc-deep);
  border-top: 4px solid var(--steel);
}

.trouble-q {
  display: flex;
  align-items: center;
  min-height: 92px;
  background: var(--zinc);
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.7;
  padding: 18px 22px;
  border-bottom: 1px dashed var(--zinc-deep);
}

.trouble-a {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px 22px 18px;
}

.trouble-a h4 {
  font-size: var(--fs-h4);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 10px;
}

.trouble-a p {
  font-size: var(--fs-body);
  color: #3a4149;
}

.trouble-a > p:first-of-type {
  margin-bottom: 14px;
}

.trouble-result {
  margin-top: auto;
  padding: 12px 14px;
  background: #fbf1ee;
  border-left: 4px solid var(--primer);
  font-size: var(--fs-body);
  font-weight: 700;
  color: #7d2f23 !important;
}

.trouble-note {
  margin-top: 10px;
  font-size: var(--fs-note) !important;
  color: var(--steel) !important;
  line-height: 1.7;
}

.trouble-tag {
  display: flex;
  align-items: center;
  min-height: 66px;
  font-size: var(--fs-label);
  color: var(--steel);
  background: var(--zinc);
  padding: 10px 22px;
  border-top: 1px solid var(--zinc-deep);
}

.service-foot {
  text-align: center;
  background: var(--zinc);
  border: 1px solid var(--zinc-deep);
  padding: 30px 24px;
}

.service-foot p {
  font-size: var(--fs-body);
  color: #3a4149;
  max-width: 44em;
  margin: 0 auto;
}

.service-foot-strong {
  margin-top: 10px !important;
  font-size: 19px !important;
  font-weight: 700;
  color: var(--ink) !important;
}

.btn-inline {
  display: inline-block;
  margin-top: 18px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
  padding: 12px 28px;
}

.btn-inline:hover {
  background: var(--steel);
}

/* ---------- お約束 ---------- */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.promise-col {
  border: 2px solid var(--steel);
  border-radius: 8px;
  padding: 30px 28px;
}

.promise-col h3 {
  font-size: 21px;
  font-weight: 900;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--zinc-deep);
}

.promise-col p {
  color: #3a4149;
}

/* ---------- 屋根の断面図 ---------- */
.anatomy-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.anatomy-figure svg {
  width: 100%;
  display: block;
}

.a-wall {
  fill: #d9dde0;
}

.a-window {
  fill: #8fa3b3;
}

.a-deck {
  fill: #d9d2c0;
}

.a-roof {
  fill: #77848f;
  stroke: #55606a;
  stroke-width: 1;
}

.a-ridge {
  fill: #39434c;
}

.a-eaves {
  fill: #39434c;
}

.a-sute-line {
  stroke: #e08a6f;
  stroke-width: 2.5;
  stroke-dasharray: 7 5;
  fill: none;
}

.a-gutter {
  fill: none;
  stroke: #9fb4c4;
  stroke-width: 3;
}

.a-pipe {
  stroke: #9fb4c4;
  stroke-width: 3;
  fill: none;
}

.a-air {
  stroke: #7fd1c0;
  stroke-width: 2.5;
  stroke-dasharray: 6 5;
  fill: none;
  marker-end: none;
}

.a-rain {
  stroke: #6fa7d8;
  stroke-width: 2.5;
  stroke-linecap: round;
}

.a-spot {
  cursor: pointer;
}

.a-spot circle {
  fill: var(--primer);
  stroke: #fff;
  stroke-width: 2.5;
  transition: transform 0.15s ease;
  transform-origin: center;
  transform-box: fill-box;
}

.a-spot:hover circle,
.a-spot:focus circle {
  transform: scale(1.18);
}

.a-spot.is-active circle {
  fill: #e08a6f;
}

.a-spot text {
  fill: #fff;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  font-weight: 600;
  text-anchor: middle;
  pointer-events: none;
}

.a-spot:focus {
  outline: none;
}

.a-spot:focus-visible circle {
  stroke: #ffd28a;
}

.anatomy-panel {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 28px 26px;
  min-height: 220px;
}

.anatomy-hint {
  color: var(--zinc-deep);
  font-size: var(--fs-body);
}

.anatomy-panel h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 10px;
  color: #fff;
}

.anatomy-panel h3 .a-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primer);
  color: #fff;
  font-family: var(--font-en);
  font-size: var(--fs-label);
  margin-right: 10px;
  vertical-align: 2px;
}

.anatomy-panel p {
  font-size: var(--fs-body);
  color: #e7ebee;
}

.anatomy-panel .a-quote {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--primer);
  background: rgba(0, 0, 0, 0.25);
  font-size: var(--fs-body);
  color: #f2d9c9;
}

/* ---------- どんな人か ---------- */
.person-wrap {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.person-side {
  background: var(--paper);
  border: 1px solid var(--zinc-deep);
  border-top: 4px solid var(--ink);
  padding: 24px 22px 20px;
}

.person-photo {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: repeating-linear-gradient(
    45deg,
    #dfe4e7 0px,
    #dfe4e7 14px,
    #d3d9dd 14px,
    #d3d9dd 28px
  );
  color: var(--steel);
  font-size: var(--fs-label);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 16px;
}

.person-name {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.person-role {
  font-size: var(--fs-note);
  color: var(--steel);
  margin-top: 4px;
}

.tool-figure {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--zinc-deep);
}

.tool-figure svg {
  width: 100%;
  display: block;
}

.tool-body {
  fill: #9aa6ae;
}

.tool-shade {
  fill: #6f7c86;
}

.tool-grip {
  fill: var(--primer);
}

.tool-rivet {
  fill: #46525c;
}

.tool-jaw {
  fill: #58636d;
}

.tool-plate {
  fill: var(--zinc-deep);
  stroke: #8d979f;
  stroke-width: 1;
}

.tool-figure figcaption {
  font-size: var(--fs-note);
  color: var(--steel);
  line-height: 1.7;
  margin-top: 6px;
}

.person-trait {
  border-left: 4px solid var(--primer);
  padding-left: 20px;
  margin-bottom: 28px;
}

.person-trait h3 {
  font-size: var(--fs-h3);
  font-weight: 900;
  margin-bottom: 8px;
}

.person-trait p {
  color: #3a4149;
}

.person-benefit {
  margin-top: 10px;
  font-weight: 700;
  color: #7d2f23 !important;
}

.person-quote {
  background: var(--ink);
  color: #fff;
  padding: 26px 26px 20px;
  border-radius: 6px;
}

.person-quote p {
  font-size: var(--fs-body);
  line-height: 1.9;
}

.person-quote footer {
  margin-top: 12px;
  font-size: var(--fs-label);
  color: var(--zinc-deep);
  text-align: right;
}

/* ---------- お約束のリスト ---------- */
.door-list {
  list-style: none;
  margin-bottom: 18px;
}

.door-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
  font-weight: 700;
}

.door-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 14px;
  height: 14px;
  background: var(--primer);
  clip-path: polygon(
    0 100%,
    0 35%,
    50% 0,
    100% 35%,
    100% 100%,
    62% 100%,
    62% 55%,
    38% 55%,
    38% 100%
  );
}

/* ---------- 施工の記録 ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.work-frame {
  background: var(--paper);
  border: 1px solid var(--zinc-deep);
  padding: 12px;
}

.work-ph {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: repeating-linear-gradient(
    45deg,
    #dfe4e7 0px,
    #dfe4e7 14px,
    #d3d9dd 14px,
    #d3d9dd 28px
  );
  color: var(--steel);
  font-size: var(--fs-label);
  font-weight: 700;
  line-height: 1.6;
}

.work-frame figcaption {
  font-size: var(--fs-label);
  padding-top: 10px;
  color: var(--steel);
}

/* ---------- お客様の声 ---------- */
.voice-card {
  max-width: 760px;
  border: 1px solid var(--zinc-deep);
  border-left: 5px solid var(--primer);
  background: var(--zinc);
  padding: 32px 30px;
}

.voice-card p {
  font-size: var(--fs-body);
  margin-bottom: 16px;
}

.voice-src {
  font-size: var(--fs-label);
  color: var(--steel);
  text-align: right;
}

/* ---------- 対応エリア ---------- */
.area-box {
  text-align: center;
  background: var(--paper);
  border: 1px solid var(--zinc-deep);
  padding: 36px 24px;
}

.area-main {
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 900;
  margin-bottom: 12px;
}

.area-sub {
  font-size: var(--fs-body);
  color: var(--steel);
}

.area-address {
  margin-top: 14px;
  font-size: var(--fs-body);
  font-weight: 700;
}

.map-wrap {
  margin-top: 24px;
}

.map-wrap iframe {
  display: block;
  width: 100%;
  height: 400px;
  border: 1px solid var(--zinc-deep);
}

.map-open {
  display: inline-block;
  margin-top: 12px;
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--primer);
  text-decoration: none;
}

.map-open:hover {
  text-decoration: underline;
}

/* ---------- お問い合わせ ---------- */
.section-contact {
  background: linear-gradient(160deg, #262c33 0%, #3c4650 100%);
  color: #fff;
}

.section-contact .section-lead {
  color: var(--zinc-deep);
}

.section-contact .section-en {
  color: #e08a6f;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 860px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px;
  padding: 34px 20px;
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.14);
}

.contact-kind {
  font-size: var(--fs-label);
  font-weight: 700;
  color: #e08a6f;
}

.contact-main {
  font-family: var(--font-en);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.contact-note {
  font-size: var(--fs-label);
  color: var(--zinc-deep);
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--ink);
  color: #fff;
  text-align: center;
  padding: 44px 20px 120px;
}

.footer-brand {
  margin-bottom: 18px;
}

.footer-brand .brand-name {
  display: block;
  font-size: 22px;
}

.footer-brand .brand-sub {
  color: var(--zinc-deep);
}

.footer-address {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-note);
  color: var(--zinc-deep);
}

.footer-note {
  font-size: var(--fs-note);
  color: var(--zinc-deep);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---------- スマホ電話バー ---------- */
.sp-telbar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
}

.sp-telbar a {
  display: block;
  text-align: center;
  background: var(--primer);
  color: #fff;
  font-size: var(--fs-body);
  font-weight: 900;
  text-decoration: none;
  padding: 16px 10px;
  box-shadow: 0 -3px 12px rgba(0, 0, 0, 0.25);
}

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (min-width: 769px) {
  .pc-br {
    display: inline;
  }
}

@media (max-width: 900px) {
  .person-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .trouble-grid,
  .trouble-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .anatomy-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .pillar-name {
    font-size: 26px;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 12px;
  }

  .header-top {
    padding: 12px 16px;
  }

  .header-tel {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

  .global-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 40;
    border-top: 1px solid var(--zinc-deep);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  }

  .global-nav.is-open {
    display: block;
  }

  .global-nav ul {
    flex-direction: column;
  }

  .global-nav a {
    padding: 15px 22px;
    border-bottom: 1px solid var(--zinc);
  }

  .hero-inner {
    padding: 60px 20px 56px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .section {
    padding: 60px 16px;
  }

  .trouble-grid,
  .trouble-grid-2,
  .works-grid,
  .contact-grid,
  .promise-grid,
  .pillar-row,
  .person-wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  .pillar-group {
    scroll-margin-top: 0;
  }

  .promise-col {
    padding: 26px 20px;
  }

  .sp-telbar {
    display: block;
  }

  .site-footer {
    padding-bottom: 140px;
  }
}