/* ==========================================================
   ひだまり工務店 デモサイト
   モバイルファースト / レスポンシブ対応
   ========================================================== */

:root {
  --color-main: #c07d4a;      /* 木の温もりを感じるブラウン */
  --color-main-dark: #9c5f33;
  --color-accent: #5f7d59;    /* 深いグリーン */
  --color-text: #3b3228;
  --color-text-light: #7a6f61;
  --color-bg: #fdfaf4;
  --color-bg-warm: #f6efe2;
  --color-white: #fff;
  --color-border: #e5dac5;
  --shadow: 0 4px 16px rgba(90, 70, 40, 0.12);
  --radius: 12px;
  --header-h: 64px;
  --font-base: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.03em;
  -webkit-text-size-adjust: 100%;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

.container {
  width: min(100% - 40px, 1080px);
  margin-inline: auto;
}

.pc-only {
  display: none;
}

/* ---------- デモ注記 ---------- */
.demo-note {
  background: #3b3228;
  color: #f3e8d3;
  font-size: 11px;
  text-align: center;
  padding: 6px 12px;
  line-height: 1.5;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s, background-color 0.25s, color 0.25s;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-main);
  color: var(--color-white);
  box-shadow: var(--shadow);
  border: 2px solid var(--color-main);
}

.btn--primary:hover {
  background: var(--color-main-dark);
  border-color: var(--color-main-dark);
  transform: translateY(-2px);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-main-dark);
  border: 2px solid var(--color-main);
}

.btn--outline:hover {
  background: var(--color-main);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--large {
  width: 100%;
  padding: 16px;
  font-size: 17px;
  border: none;
}

/* ---------- ヘッダー ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  /* backdrop-filter はフルスクリーンメニュー(position: fixed)の
     基準ボックスを変えてしまうため使わない */
  background: rgba(253, 250, 244, 0.97);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s;
}

.header.is-scrolled {
  box-shadow: 0 2px 12px rgba(90, 70, 40, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-inline: 16px;
  max-width: 1200px;
  margin-inline: auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__logo-mark svg {
  width: 38px;
  height: 38px;
  display: block;
}

.header__logo-text {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
}

.header__logo-text small {
  font-size: 10px;
  font-weight: 400;
  color: var(--color-text-light);
}

.header__tel {
  display: none;
}

/* グローバルナビ(モバイル:ドロワー) */
.gnav {
  position: fixed;
  inset: 0;
  top: 0;
  background: rgba(59, 50, 40, 0.97);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
  z-index: 90;
}

.gnav.is-open {
  opacity: 1;
  visibility: visible;
}

.gnav__list {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.gnav__list a {
  display: block;
  color: #f3e8d3;
  font-size: 20px;
  font-weight: 700;
  padding: 14px 32px;
  transition: color 0.25s;
}

.gnav__list a:hover {
  color: var(--color-main);
}

.gnav__contact a {
  background: var(--color-main);
  color: var(--color-white);
  border-radius: 999px;
  margin-top: 12px;
}

.gnav__contact a:hover {
  background: var(--color-main-dark);
  color: var(--color-white);
}

/* ハンバーガーボタン */
.menu-btn {
  position: relative;
  z-index: 110;
  width: 52px;
  height: 52px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-btn__bar {
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s, background-color 0.3s;
}

.menu-btn__label {
  font-size: 9px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.1em;
  transition: color 0.3s;
}

.menu-btn.is-open .menu-btn__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: #f3e8d3;
}

.menu-btn.is-open .menu-btn__bar:nth-child(2) {
  opacity: 0;
}

.menu-btn.is-open .menu-btn__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: #f3e8d3;
}

.menu-btn.is-open .menu-btn__label {
  color: #f3e8d3;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h) - 30px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 写真の上でもキャッチコピーが読みやすいように、
   左側から薄いクリーム色のベールをかける */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    /* 右側の街並みにも薄い白を重ねる(中央の家はクリアなまま) */
    linear-gradient(
      to left,
      rgba(253, 250, 244, 0.55) 0%,
      rgba(253, 250, 244, 0.25) 14%,
      rgba(253, 250, 244, 0) 30%
    ),
    linear-gradient(
      100deg,
      rgba(253, 250, 244, 0.85) 0%,
      rgba(253, 250, 244, 0.5) 45%,
      rgba(253, 250, 244, 0.05) 78%
    );
}

.hero__content {
  width: 100%;
  padding: 60px 24px 90px;
  max-width: 1080px;
  margin-inline: auto;
}

.hero__catch {
  font-size: clamp(26px, 6.5vw, 52px);
  font-weight: 800;
  line-height: 1.5;
  text-shadow: 0 2px 12px rgba(253, 243, 227, 0.9), 0 0 4px rgba(253, 243, 227, 0.9);
}

.hero__catch span {
  display: block;
}

.hero__lead {
  margin-top: 18px;
  font-size: clamp(14px, 3.6vw, 18px);
  font-weight: 500;
  text-shadow: 0 1px 8px rgba(253, 243, 227, 0.95), 0 0 3px rgba(253, 243, 227, 0.95);
}

.hero__btns {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 320px;
}

.hero__scroll {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hero__scroll span {
  width: 1px;
  height: 34px;
  background: var(--color-text-light);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- セクション共通 ---------- */
.section {
  padding: 64px 0;
}

.section--bg {
  background: var(--color-bg-warm);
}

.section__title {
  text-align: center;
  font-size: clamp(24px, 5.5vw, 34px);
  line-height: 1.4;
  margin-bottom: 20px;
}

.section__title-en {
  display: block;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-main);
  margin-bottom: 6px;
}

.section__title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-main);
  margin: 14px auto 0;
}

.section__lead {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 40px;
  font-size: 15px;
}

.section__title--light,
.section__lead--light {
  color: #fdf6ea;
}

.section__title--light .section__title-en {
  color: #f2c9a0;
}

.section__title--light::after {
  background: #f2c9a0;
}

/* ---------- 強み ---------- */
.features__grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}

.feature-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--color-bg-warm);
  color: var(--color-main-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card__icon svg {
  width: 40px;
  height: 40px;
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--color-main-dark);
}

.feature-card p {
  font-size: 14px;
  text-align: left;
  color: var(--color-text-light);
}

/* ---------- 施工事例 ---------- */
.works__filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.works__filter-btn {
  padding: 9px 26px;
  border-radius: 999px;
  border: 1.5px solid var(--color-main);
  background: transparent;
  color: var(--color-main-dark);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s;
}

.works__filter-btn.is-active,
.works__filter-btn:hover {
  background: var(--color-main);
  color: var(--color-white);
}

.works__grid {
  display: grid;
  gap: 24px;
}

.work-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(90, 70, 40, 0.2);
}

.work-card.is-hidden {
  display: none;
}

.work-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.work-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.work-card:hover .work-card__img img {
  transform: scale(1.06);
}

.work-card__body {
  padding: 18px 20px 22px;
}

.work-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-white);
  padding: 3px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.work-card__tag--new {
  background: var(--color-accent);
}

.work-card__tag--reform {
  background: #c8752f;
}

.work-card h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.work-card p {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ---------- 家づくりの流れ ---------- */
.flow__list {
  max-width: 760px;
  margin: 40px auto 0;
  position: relative;
}

.flow__list::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 2px;
  background: var(--color-border);
}

.flow-step {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 0 0 36px;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step__num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-main);
  color: var(--color-white);
  font-weight: 800;
  font-size: 19px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 5px var(--color-bg);
}

.flow-step__body {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  flex: 1;
  box-shadow: var(--shadow);
}

.flow-step__body h3 {
  font-size: 18px;
  color: var(--color-main-dark);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.flow-step__period {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  border-radius: 999px;
  padding: 1px 12px;
}

.flow-step__body p {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ---------- 会社紹介 ---------- */
.about__message {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  margin: 40px 0 48px;
}

.about__photo {
  text-align: center;
}

.about__photo img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--color-white);
  box-shadow: var(--shadow);
}

.about__photo figcaption {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
}

.about__text h3 {
  font-size: clamp(20px, 4.6vw, 26px);
  color: var(--color-main-dark);
  margin-bottom: 16px;
  line-height: 1.5;
}

.about__text p {
  font-size: 15px;
  margin-bottom: 12px;
}

.about__info {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
}

.about__info-title {
  text-align: center;
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--color-main-dark);
}

.about__table div {
  display: flex;
  flex-direction: column;
  padding: 12px 4px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.about__table div:last-child {
  border-bottom: none;
}

.about__table dt {
  font-weight: 700;
  color: var(--color-main-dark);
  flex-shrink: 0;
}

/* ---------- お客様の声 ---------- */
.voice__grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.voice-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  position: relative;
}

.voice-card::before {
  content: "“";
  position: absolute;
  top: -6px;
  left: 16px;
  font-size: 64px;
  line-height: 1;
  color: var(--color-main);
  opacity: 0.4;
  font-family: Georgia, serif;
}

.voice-card p {
  font-size: 14px;
  margin-bottom: 14px;
}

.voice-card cite {
  display: block;
  text-align: right;
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-light);
}

/* ---------- お知らせ ---------- */
.news__list {
  max-width: 820px;
  margin: 36px auto 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.news-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item time {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.news-item__tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-white);
  background: #a3988a;
  border-radius: 999px;
  padding: 2px 12px;
}

.news-item__tag--event {
  background: var(--color-accent);
}

.news-item__tag--works {
  background: var(--color-main);
}

.news-item p {
  width: 100%;
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 採用情報 ---------- */
.recruit__grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.recruit-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.recruit-card h3 {
  font-size: 19px;
  color: var(--color-main-dark);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--color-bg-warm);
}

.recruit-card dl {
  margin-bottom: 14px;
}

.recruit-card dl div {
  display: flex;
  gap: 10px;
  font-size: 13px;
  padding: 5px 0;
}

.recruit-card dt {
  flex-shrink: 0;
  width: 72px;
  font-weight: 700;
  color: var(--color-accent);
}

.recruit-card > p {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: auto;
}

.recruit__cta {
  text-align: center;
  margin-top: 40px;
}

.recruit__cta p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* ---------- お問い合わせ ---------- */
.contact {
  background: linear-gradient(160deg, #7a5535, #5c3f26);
}

.contact__tel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  text-align: center;
  padding: 24px 20px;
  color: #fdf6ea;
  max-width: 560px;
  margin: 0 auto 32px;
}

.contact__tel-label {
  font-size: 13px;
  font-weight: 700;
}

.contact__tel-number {
  display: inline-block;
  font-size: clamp(30px, 8vw, 40px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fdf6ea;
  margin: 4px 0;
}

.contact__tel-hours {
  font-size: 12px;
  opacity: 0.85;
}

.contact__form {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 22px;
  max-width: 640px;
  margin: 0 auto;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.required,
.optional {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-white);
  border-radius: 4px;
  padding: 1px 8px;
  margin-left: 6px;
  vertical-align: 2px;
}

.required {
  background: #c8553d;
}

.optional {
  background: #a3988a;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px; /* iOSのズーム防止 */
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-main);
  box-shadow: 0 0 0 3px rgba(192, 125, 74, 0.2);
}

.form-group .is-error {
  border-color: #c8553d;
  box-shadow: 0 0 0 3px rgba(200, 85, 61, 0.15);
}

.form-note {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.form-status.is-success {
  color: var(--color-accent);
}

.form-status.is-error {
  color: #c8553d;
}

/* ---------- アクセス ---------- */
.access__grid {
  display: grid;
  gap: 28px;
  margin-top: 40px;
}

.access__map iframe {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.access__map-note {
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 8px;
}

.access__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.access__item:first-child {
  padding-top: 0;
}

.access__item dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-main-dark);
  margin-bottom: 6px;
}

.access__item dt svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-main);
}

.access__item dd {
  font-size: 14px;
  line-height: 1.8;
}

.access__item strong {
  color: var(--color-main-dark);
}

.access__hint {
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 2px;
}

.access__map-btn {
  display: block;
  margin-top: 22px;
  text-align: center;
}

/* ---------- フッター ---------- */
.footer {
  background: #3b3228;
  color: #e8ddc9;
  padding: 48px 0 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.footer__logo {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer__company p {
  font-size: 13px;
  line-height: 1.9;
}

.footer__sns {
  display: flex;
  gap: 22px;
  margin-top: 22px;
}

.sns-btn {
  display: block;
}

.sns-btn__icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px solid rgba(232, 221, 201, 0.45);
  color: #e8ddc9;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
}

.sns-btn__icon svg {
  width: 22px;
  height: 22px;
}

/* LINEアイコンの吹き出し内ロゴ文字(常に背景側の濃色) */
.sns-line-text {
  fill: #3b3228;
}

.sns-btn:hover .sns-btn__icon {
  background: var(--color-main);
  border-color: var(--color-main);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer__nav a {
  font-size: 13px;
  padding: 4px 0;
  transition: color 0.25s;
}

.footer__nav a:hover {
  color: var(--color-main);
}

.footer__copy {
  text-align: center;
  font-size: 11px;
  opacity: 0.6;
  padding: 28px 16px calc(24px + 68px); /* SP固定CTAぶんの余白 */
  margin-top: 24px;
  border-top: 1px solid rgba(232, 221, 201, 0.15);
}

/* ---------- スマホ固定CTA ---------- */
.sp-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  display: flex;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.18);
}

.sp-cta a {
  flex: 1;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  padding: 15px 8px calc(15px + env(safe-area-inset-bottom, 0px));
}

.sp-cta__tel {
  background: var(--color-accent);
}

.sp-cta__form {
  background: var(--color-main);
  flex: 1.6;
}

/* ---------- トップへ戻る ---------- */
.to-top {
  position: fixed;
  right: 16px;
  bottom: 78px;
  z-index: 70;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: rgba(59, 50, 40, 0.8);
  color: #fdf6ea;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 電話番号表示モーダル ---------- */
.tel-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.tel-modal[hidden] {
  display: none;
}

.tel-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(59, 50, 40, 0.6);
}

.tel-modal__panel {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 24px 28px;
  width: min(100%, 400px);
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  animation: telModalIn 0.25s ease-out;
}

@keyframes telModalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: none; }
}

.tel-modal__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  color: var(--color-text-light);
  cursor: pointer;
}

.tel-modal__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-main-dark);
}

.tel-modal__number {
  font-size: clamp(30px, 9vw, 38px);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin: 6px 0 2px;
  user-select: all; /* タップで番号を選択コピーしやすく */
}

.tel-modal__hours {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.tel-modal__call {
  width: 100%;
  padding: 14px;
}

.tel-modal__note {
  font-size: 11px;
  color: var(--color-text-light);
  margin-top: 14px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .tel-modal__panel {
    animation: none;
  }
}

/* ---------- スクロールフェードイン ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__scroll span {
    animation: none;
  }
}

/* ==========================================================
   タブレット (600px〜)
   ========================================================== */
@media (min-width: 600px) {
  .hero__btns {
    flex-direction: row;
    max-width: none;
  }

  .hero__btns .btn {
    min-width: 220px;
  }

  .features__grid,
  .voice__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about__table div {
    flex-direction: row;
    gap: 16px;
  }

  .news-item p {
    width: auto;
    flex: 1;
  }

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

  .about__table dt {
    width: 130px;
  }

  .about__info {
    padding: 36px 40px;
  }
}

/* ==========================================================
   PC (960px〜)
   ========================================================== */
@media (min-width: 960px) {
  .pc-only {
    display: inline;
  }

  :root {
    --header-h: 76px;
  }

  .demo-note {
    font-size: 12px;
  }

  .menu-btn {
    display: none;
  }

  .sp-cta {
    display: none;
  }

  .to-top {
    bottom: 28px;
    right: 28px;
  }

  .footer__copy {
    padding-bottom: 24px;
  }

  .header__inner {
    padding-inline: 28px;
    gap: 24px;
  }

  /* ナビをインライン表示に */
  .gnav {
    position: static;
    background: transparent;
    opacity: 1;
    visibility: visible;
    margin-left: auto;
  }

  .gnav__list {
    flex-direction: row;
    gap: 4px;
    height: auto;
  }

  /* ナビ項目が多いため、ロゴは1行固定・サブタイトルは大画面のみ */
  .header__logo-text {
    white-space: nowrap;
  }

  .header__logo-text small {
    display: none;
  }

  .gnav__list a {
    color: var(--color-text);
    font-size: 14px;
    padding: 8px 9px;
    position: relative;
    white-space: nowrap;
  }

  .gnav__list a::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-main);
    transform: scaleX(0);
    transition: transform 0.25s;
  }

  .gnav__list a:hover {
    color: var(--color-main-dark);
  }

  .gnav__list a:hover::after {
    transform: scaleX(1);
  }

  .gnav__contact a {
    background: var(--color-main);
    color: var(--color-white);
    margin: 0 0 0 10px;
    padding: 10px 24px;
  }

  .gnav__contact a::after {
    display: none;
  }

  .recruit__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .access__grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .access__map iframe {
    aspect-ratio: 1 / 1;
    height: 100%;
  }

  .access__map-btn {
    display: inline-block;
    padding-inline: 44px;
  }

  .header__tel-number {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--color-main-dark);
    line-height: 1.2;
  }

  .header__tel-hours {
    font-size: 10px;
    color: var(--color-text-light);
    white-space: nowrap;
  }

  .section {
    padding: 96px 0;
  }

  .hero__content {
    padding: 80px 40px 120px;
  }

  .features__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .feature-card {
    padding: 40px 30px;
  }

  .works__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
  }

  .voice__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about__message {
    flex-direction: row;
    align-items: center;
    gap: 56px;
    max-width: 920px;
    margin-inline: auto;
  }

  .about__photo {
    flex-shrink: 0;
  }

  .about__photo img {
    width: 240px;
    height: 240px;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: clamp(60px, 10vw, 140px);
  }

  .footer__nav {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 14px 44px;
  }
}

/* ==========================================================
   PC 大画面 (1200px〜)
   ナビ項目が多いため、ヘッダーの電話番号は広い画面でのみ表示
   ========================================================== */
/* 960〜1199px はナビ8項目が収まるようさらにコンパクトに */
@media (min-width: 960px) and (max-width: 1199px) {
  .gnav__list a {
    font-size: 13px;
    padding: 8px 7px;
  }

  .gnav__list a::after {
    left: 7px;
    right: 7px;
  }

  .gnav__contact a {
    padding: 9px 16px;
    margin-left: 4px;
  }
}

@media (min-width: 1200px) {
  .header__tel {
    display: block;
    text-align: right;
  }

  .header__logo-text small {
    display: block;
  }
}