/*
Theme Name: Masakiyo
Theme URI: https://masakiyo-eng.local/
Author: Masakiyo
Description: 株式会社正清設備（旧・大和正清エンジニアリング）のコーポレートサイト用クラシックテーマ。ディーター・ラムスの「良いデザインの10原則」とヤコブ・イェンセン（Bang & Olufsen）の静謐な機能美を指針に、ブランドカラー（Masakiyo Blue / Happiness Green）と十分な余白、整然としたグリッドで構成。
Version: 0.5.1
Requires at least: 6.7
Tested up to: 7.0
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: masakiyo
*/

/* =========================================================
   Design Tokens  ── Less, but better.
   ブランドカラーを核に、余白とリズムで秩序をつくる。
   ========================================================= */
:root {
  /* Brand palette */
  --color-blue:       #0096e6; /* Masakiyo Blue ── 水・清潔・誠実 */
  --color-blue-dark:  #0079bd;
  --color-green:      #8cc63f; /* Happiness Green ── 空気・快適・防災 */
  --color-dark:       #0f172a; /* Prestige Dark ── 確実性 */

  /* Surfaces / text（Prestige Dark 派生） */
  --color-paper:      #f8fafc; /* Base Light 背景 */
  --color-surface:    #ffffff;
  --color-ink:        #0f172a;
  --color-ink-soft:   #334155;
  --color-muted:      #64748b;
  --color-hairline:   #e2e8f0;

  /* Accent roles */
  --color-accent:     var(--color-blue);   /* 主アクセント */
  --color-accent-2:   var(--color-green);  /* 副アクセント（限定使用） */
  --color-accent-ink: #ffffff;

  /* Typography ── 英数: Montserrat / 日本語: Noto Sans JP（Latin優先で和欧混植） */
  --font-sans: "Montserrat", "Noto Sans JP", "Hiragino Kaku Gothic ProN",
               "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;

  /* Modular type scale (1.250 ── Major Third) */
  --fs-100: 0.8rem;
  --fs-200: 1rem;
  --fs-300: 1.25rem;
  --fs-400: 1.563rem;
  --fs-500: 1.953rem;
  --fs-600: 2.441rem;
  --fs-700: 3.052rem;
  --fs-800: 3.815rem;

  --lh-tight: 1.18;
  --lh-base:  1.8;

  /* Spacing scale (8px base) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 7rem;
  --space-8: 10rem;

  /* Layout */
  --container: 1440px;
  --container-narrow: 1440px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --dur: 0.4s;

  --radius: 4px;
  --border: 1px solid var(--color-hairline);

  --header-h: 84px;
}

/* =========================================================
   Reset / Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-200);
  line-height: var(--lh-base);
  font-feature-settings: "halt"; /* 約物（句読点・括弧等）を半角詰めに */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: var(--lh-tight); letter-spacing: -0.01em; }

p { margin: 0 0 var(--space-2); }

a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease); }
a:hover { color: var(--color-accent); }

ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* =========================================================
   Layout helpers
   ========================================================= */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--space-7); }
.section--tight { padding-block: var(--space-6); }
.section--surface { background: var(--color-surface); border-block: var(--border); }
.section--dark { background: var(--color-dark); color: var(--color-paper); }
.section--dark .muted { color: #94a3b8; }

.stack > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-4); }

.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
@media (max-width: 1025px) { #value .grid-3 { grid-template-columns: 1fr; } }

/* =========================================================
   Typographic utilities
   ========================================================= */
.eyebrow {
  font-size: var(--fs-100);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.display { font-size: var(--fs-800); }
.lead { font-size: var(--fs-300); color: var(--color-ink-soft); line-height: 1.7; }
/* hero / intro / value のリード文を recruit 本文と同じサイズに揃える */
.hero__lead,
.intro .lead,
#value .section-head .lead { font-size: var(--fs-200); }
.muted { color: var(--color-muted); }
.measure { max-width: 62ch; }
.accent-green { color: var(--color-green); }

/* =========================================================
   Buttons ── 主ボタンは Masakiyo Blue
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.95rem 1.7rem;
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 2px solid var(--color-blue);
  border-radius: var(--radius);
  background: var(--color-blue);
  color: #fff;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--color-blue-dark); border-color: var(--color-blue-dark); color: #fff; }

.btn--ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn--ghost:hover { background: var(--color-ink); color: #fff; }

.btn--on-dark { background: #fff; border-color: #fff; color: var(--color-dark); }
.btn--on-dark:hover { background: transparent; color: #fff; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--fs-100); font-weight: 600; letter-spacing: 0.08em;
  color: var(--color-accent);
}
.link-arrow .arrow { transition: transform var(--dur) var(--ease); }
.link-arrow:hover .arrow { transform: translateX(0.4rem); }

/* =========================================================
   Site header
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: var(--border);
}
/* ヘッダーは横幅いっぱい（コンテナ幅制限なし） */
.site-header .container { max-width: 100%; }

/* トップページ：透過ヘッダーをヒーローに重ねる */
.site-header--overlay { position: fixed; left: 0; right: 0; top: 0; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.site-header--overlay:not(.is-scrolled) {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-header--overlay:not(.is-scrolled) .primary-nav a { color: rgba(255, 255, 255, 0.92); }
.site-header--overlay:not(.is-scrolled) .primary-nav a:hover,
.site-header--overlay:not(.is-scrolled) .primary-nav .current-menu-item > a { color: #fff; }
.site-header--overlay:not(.is-scrolled) .header-tel { color: #fff; }
.site-header--overlay:not(.is-scrolled) .header-tel .num::before { color: #fff; }
.site-header--overlay:not(.is-scrolled) .header-tel small { color: rgba(255, 255, 255, 0.78); }
.site-header--overlay:not(.is-scrolled) .nav-toggle span { background: #fff; }
@media (max-width: 1080px) {
  /* モバイルのドロップダウンは白背景なので、リンクは濃色に戻す */
  .site-header--overlay:not(.is-scrolled) .primary-nav a { color: var(--color-ink-soft); }
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); min-height: var(--header-h); }

.site-brand { display: flex; align-items: center; gap: 0.75rem; }
.site-brand__logo { width: auto; height: 44px; flex: none; }
@media (max-width: 480px) { .site-brand__logo { height: 36px; } }
.site-brand__text { line-height: 1.25; }
.site-brand__name { font-size: var(--fs-300); font-weight: 700; letter-spacing: 0.02em; }
.site-brand__tag { display: block; font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-muted); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.primary-nav ul { display: flex; gap: var(--space-3); align-items: center; }
.primary-nav a {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--color-ink-soft); position: relative; padding-block: 0.4rem;
}
.primary-nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--color-accent); transition: width var(--dur) var(--ease); }
.primary-nav a:hover, .primary-nav .current-menu-item > a { color: var(--color-ink); }
.primary-nav a:hover::after { width: 100%; }

.header-tel {
  display: inline-flex; flex-direction: column; align-items: flex-end; line-height: 1.1;
  font-weight: 700; color: var(--color-dark);
}
.header-tel .num { font-size: var(--fs-300); letter-spacing: 0.02em; }
.header-tel .num::before { content: ""; }
.header-tel small { font-size: 0.6rem; font-weight: 500; color: var(--color-muted); letter-spacing: 0.08em; }
.header-cta { white-space: nowrap; background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%); border: 0; color: #fff; }
.header-cta:hover { background: linear-gradient(135deg, #0079bd 0%, #7ab32f 100%); border: 0; color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 30px; height: 30px; justify-content: center; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--color-ink); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }

@media (max-width: 1080px) {
  .nav-toggle { display: flex; margin-left: auto; order: 9; }
  .header-tel, .header-cta { display: none; }
  .primary-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--color-surface); border-bottom: var(--border);
    transform: translateY(-120%); transition: transform var(--dur) var(--ease); visibility: hidden;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .primary-nav.is-open { transform: translateY(0); visibility: visible; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: var(--gutter); }
  .primary-nav li { border-bottom: var(--border); }
  .primary-nav a { display: block; padding: var(--space-2) 0; font-size: var(--fs-200); }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: fixed; top: 0; left: 0; right: 0; z-index: 0;
  height: 100svh; display: flex; align-items: flex-end;
  padding-block: var(--space-6); overflow: hidden;
  background-image: url(assets/img/fv-img01.webp);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
/* 固定ヒーローの上を後続コンテンツがスクロールして重なる */
#main > section:not(#home) { position: relative; z-index: 1; }
#intro { margin-top: 100svh; }
.site-footer { position: relative; z-index: 1; }
.hero__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.25)),
    radial-gradient(60% 80% at 85% 10%, color-mix(in srgb, var(--color-blue) 14%, transparent), transparent 70%),
    radial-gradient(50% 60% at 95% 90%, color-mix(in srgb, var(--color-green) 12%, transparent), transparent 70%);
}
.hero__slide {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  opacity: 0;
  animation: heroSlideFade 24s linear infinite;
  will-change: opacity;
}
.hero__slide--1 { background-image: url(assets/img/fv-img01.webp); animation-delay: 0s; }
.hero__slide--2 { background-image: url(assets/img/fv-img02.webp); animation-delay: -18s; }
.hero__slide--3 { background-image: url(assets/img/fv-img03.webp); animation-delay: -12s; }
.hero__slide--4 { background-image: url(assets/img/fv-img04.webp); animation-delay: -6s; }
@keyframes heroSlideFade {
  0%   { opacity: 1; }
  17%  { opacity: 1; }
  25%  { opacity: 0; }
  92%  { opacity: 0; }
  100% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__slide { animation: none; }
  .hero__slide--1 { opacity: 1; }
  .hero__slide--2, .hero__slide--3, .hero__slide--4 { opacity: 0; }
}
.hero__grid-lines {
  position: absolute; inset: 0; z-index: 0; opacity: 0.5; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--color-hairline) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}
@media (max-width: 600px) {
  .hero__grid-lines { background-size: calc(100% / 6) 100%; }
}
.hero .container { position: relative; z-index: 1; max-width: 100%; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: rgba(0, 0, 0, 0.35);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 33%; z-index: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.45) 0%, transparent 100%);
}
.hero .container { text-shadow: 0 1px 12px rgba(15, 23, 42, 0.25); }
.hero .eyebrow,
.hero__title,
.hero__lead { color: #ffffff; }
.hero .eyebrow { font-size: clamp(0.8rem, 1.4vw, var(--fs-200)); letter-spacing: 0.22em; margin-bottom: var(--space-3); }
.hero__title { font-size: clamp(1.3rem, 6.8vw, 5rem); letter-spacing: -0.02em; line-height: 1.2; margin-bottom: var(--space-4); white-space: nowrap; }
.hero__title .accent {
  color: #ffffff;
  background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%);
  padding: 0.04em 0.25em;
  border-radius: 6px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.hero__lead { max-width: 56ch; }
.hero__actions { margin-top: var(--space-5); display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* =========================================================
   Intro（正清設備の紹介）
   ========================================================= */
.intro {
  position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(135deg, #0099f0 0%, #84cf26 100%);
  padding-block: var(--space-8); height: auto;
  display: flex; flex-direction: column; justify-content: center;
}
.intro::after { content: none; }
.intro .container.intro__media {
  position: absolute; top: 0; bottom: 0; left: 0; right: 0; margin-inline: auto; z-index: 1;
  display: flex; justify-content: flex-end; align-items: center; pointer-events: none;
}
.intro__media-img { width: 50%; max-width: 700px; height: auto; }
@media (max-width: 1024px) {
  .intro { height: auto; min-height: 0; }
  .intro .container.intro__media {
    position: static; top: auto; bottom: auto; justify-content: center; order: -1; margin-top: 0; margin-bottom: var(--space-4);
  }
  .intro__media-img { width: 80%; }
}
.intro__waves {
  position: absolute; left: 0; right: 0; bottom: 12%; z-index: 0; width: 100%; height: 40%;
  display: block; pointer-events: none;
}
@media (max-width: 720px) {
  .intro::after { top: 4%; }
}
.intro .container { position: relative; z-index: 2; }

.intro .eyebrow, .intro__title, .intro .lead { color: #ffffff; }
.intro__mission { color: #ffffff; display: flex; justify-content: flex-start; margin-bottom: var(--space-2); }
.intro .eyebrow:not(.intro__mission) { justify-content: center; font-size: clamp(2.5rem, 9vw, 120px); letter-spacing: 0.04em; line-height: 1.05; font-weight: 700; }
.intro__title { font-size: clamp(1.8rem, 4vw, var(--fs-700)); letter-spacing: -0.01em; line-height: 1.5; margin: var(--space-3) 0 var(--space-4); }
.intro .lead { margin-inline: 0; line-height: 2.2; max-width: 560px; }
.intro__catch {
  text-align: left;
  font-size: clamp(2.25rem, 8vw, 104px);
  font-weight: 700; line-height: 1.02; letter-spacing: 0.02em;
  text-transform: uppercase; color: #ffffff;
  margin: 0 0 var(--space-5);
}
.intro__cols { display: grid; grid-template-columns: 1fr; gap: var(--space-3); align-items: start; text-align: left; }
.intro__cols .intro__title, .intro__cols .intro__head, .intro__cols .lead { text-align: left; }
.intro__cols .intro__title { margin: 0; }
.intro__cols .lead { margin-top: var(--space-3); }

/* モバイル: 高さは内容に合わせ、上に広めの余白。背景画像は上中央に */
@media (max-width: 720px) {
  .intro {
    height: auto;
    min-height: 0;
    padding-top: 240px;
    padding-bottom: var(--space-6);
  }
  .intro::after { width: 100%; background-position: top center; }
}

@media (max-width: 600px) {
  .intro { height: auto; min-height: 0; padding-top: var(--space-6); padding-bottom: var(--space-6); }
}

/* PC でのみ有効な改行（モバイルは自然折り返し） */
.br-pc { display: none; }
@media (min-width: 721px) { .br-pc { display: inline; } }

/* =========================================================
   Section heads / cards
   ========================================================= */
.section-head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-2); margin-bottom: var(--space-5); }
.section-head h2 { font-size: clamp(2rem, 4.5vw, var(--fs-800)); line-height: 1.25; }

/* VALUE セクション：ブルー〜クリーンのグラデーション背景 */
#value { background: var(--color-paper); }
@media (min-width: 768px) { #value { padding-block: var(--space-8) calc(var(--space-8) + var(--space-4)); } }

.value-card {
  background: linear-gradient(135deg, #0099f0 0%, #84cf26 100%) top / 100% 4px no-repeat, var(--color-surface);
  border: var(--border); border-top: 0; border-radius: var(--radius);
  padding: var(--space-4); height: 100%; box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}
.value-card__index { font-size: var(--fs-100); font-weight: 700; letter-spacing: 0.1em; color: var(--color-accent); }
.value-card h3 { font-size: var(--fs-400); margin: var(--space-1) 0 var(--space-2); }
.value-card__head { line-height: 1.3; }
.value-card__head .value-card__stat-num {
  font-size: var(--fs-600); font-weight: 700; letter-spacing: -0.02em; margin-right: 0.08em;
  background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.value-card__head .value-card__grad {
  background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.value-card p { margin: 0; color: var(--color-ink-soft); }

/* Services ── 背景に黒のオーバーレイ */
#services { background: rgba(0, 0, 0, 0.55); }
#services > .container { padding-inline: 0; }
#services .section-head .eyebrow, #services .section-head h2 { color: #ffffff; }
#services .grid-2 { grid-template-columns: 1fr; width: 90%; margin-inline: auto; }
#services .service-card { padding-right: 0; }
@media (min-width: 721px) {
  #services .service-card {
    display: grid;
    grid-template-columns: 1fr 45%;
    grid-template-rows: 1fr auto auto auto auto 1fr;
    column-gap: var(--space-4); align-items: start;
  }
  #services .service-card > :not(.service-card__media) { grid-column: 1; padding-inline: var(--space-3); }
  #services .service-card__num { grid-row: 2; }
  #services .service-card h3 { grid-row: 3; }
  #services .service-card p { grid-row: 4; }
  #services .service-card .scope { grid-row: 5; }
  #services .service-card__media {
    grid-column: 2; grid-row: 1 / -1; align-self: start;
    aspect-ratio: 1 / 1; width: 100%; height: auto;
    margin: calc(var(--space-4) * -1) 0 calc(var(--space-4) * -1) 0;
  }
}

.service-card { position: relative; border: var(--border); border-radius: var(--radius); background: var(--color-surface); padding: var(--space-4); height: 100%; overflow: hidden; }
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; z-index: 1;
  background: linear-gradient(180deg, var(--color-blue) 0%, var(--color-green) 100%);
}
.service-card__media {
  margin: calc(var(--space-4) * -1) calc(var(--space-4) * -1) var(--space-4);
  aspect-ratio: 4 / 3; overflow: hidden; background: var(--color-paper);
}
.service-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card__media--placeholder {
  background: repeating-linear-gradient(45deg, #e9ecef, #e9ecef 12px, #e2e6ea 12px, #e2e6ea 24px);
  position: relative;
}
.service-card__media--placeholder::after {
  content: "IMAGE"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.15em; color: #adb5bd;
}
.service-card__num { font-size: var(--fs-100); font-weight: 700; letter-spacing: 0.1em; color: var(--color-muted); }
.service-card h3 { font-size: var(--fs-400); margin: var(--space-1) 0 var(--space-2); }
.service-card p { color: var(--color-ink-soft); }
.service-card .scope { margin-top: var(--space-2); padding-top: var(--space-2); border-top: var(--border); font-size: var(--fs-100); color: var(--color-muted); }
.scope__label { display: block; margin-bottom: var(--space-1); font-weight: 600; letter-spacing: 0.04em; }
.scope__tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.scope__tag {
  display: inline-block; padding: 0.25rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--color-hairline); background: var(--color-paper);
  font-size: 0.72rem; line-height: 1.4; color: var(--color-ink-soft); white-space: nowrap;
}

/* =========================================================
   Works ── tabbed table
   ========================================================= */
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-bottom: var(--space-4); }
.tab {
  appearance: none; cursor: pointer;
  padding: 0.6rem 1.2rem; font: inherit; font-size: var(--fs-100); font-weight: 600;
  background: transparent; color: var(--color-ink-soft);
  border: 1px solid var(--color-hairline); border-radius: 999px;
  transition: all var(--dur) var(--ease);
}
/* カテゴリ別カラー */
.tab[data-filter="all"]   { --cat: var(--color-dark); }
.tab[data-filter="air"]   { --cat: #0096e6; }
.tab[data-filter="water"] { --cat: #2b9f6b; }
.tab[data-filter="fire"]  { --cat: #e0382b; }
.tab[data-filter="other"] { --cat: #e6920a; }
.tab::before {
  content: ""; display: inline-block; width: 0.55em; height: 0.55em; border-radius: 50%;
  background: var(--cat, var(--color-muted)); margin-right: 0.5em; vertical-align: middle;
}
.tab:hover { border-color: var(--cat, var(--color-blue)); color: var(--cat, var(--color-blue)); }
.tab.is-active { background: var(--cat, var(--color-blue)); border-color: var(--cat, var(--color-blue)); color: #fff; }
.tab.is-active::before { background: #fff; }

.works-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.works-table thead th { background: var(--color-dark); color: #fff; text-align: left; font-size: var(--fs-100); letter-spacing: 0.06em; padding: 0.9rem 1rem; font-weight: 600; }
.works-table tbody td { padding: 1rem; border-bottom: var(--border); vertical-align: top; }
.works-table tbody tr:hover { background: color-mix(in srgb, var(--color-blue) 5%, transparent); }
.works-table .col-name { font-weight: 600; }
.works-table .col-place, .works-table .col-term { white-space: nowrap; color: var(--color-ink-soft); }
.works-table .badge { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 999px; background: color-mix(in srgb, var(--color-blue) 12%, transparent); color: var(--color-blue-dark); white-space: nowrap; margin: 0.15rem 0.25rem 0.15rem 0; }
.works-table .badge--air   { background: color-mix(in srgb, #0096e6 14%, transparent); color: #0a6aa1; }
.works-table .badge--water { background: color-mix(in srgb, #2b9f6b 16%, transparent); color: #1f6f4a; }
.works-table .badge--fire  { background: color-mix(in srgb, #e0382b 14%, transparent); color: #b02418; }
.works-table .badge--other { background: color-mix(in srgb, #e6920a 16%, transparent); color: #9a6204; }
.work-row.is-hidden { display: none; }

@media (max-width: 820px) {
  .works-table, .works-table thead, .works-table tbody, .works-table tr, .works-table td { display: block; width: 100%; }
  .works-table thead { display: none; }
  .works-table { font-size: 0.85rem; }
  .works-table tbody tr { border: var(--border); border-radius: var(--radius); margin-bottom: var(--space-1); padding: 0.6rem 0.8rem; background: var(--color-surface); }
  .works-table tbody td { display: flex; gap: 0.5rem; border: 0; padding: 0.1rem 0; }
  .works-table tbody td::before { content: attr(data-label); flex: none; min-width: 4.5em; font-size: 0.7rem; color: var(--color-muted); letter-spacing: 0.06em; }
}

/* =========================================================
   Company ── profile table + timeline
   ========================================================= */
.profile-table { width: 100%; border-collapse: collapse; }
.profile-table th, .profile-table td { text-align: left; padding: 1rem 0; border-bottom: var(--border); vertical-align: top; }
.profile-table th { width: 180px; font-weight: 600; color: var(--color-ink-soft); font-size: var(--fs-100); letter-spacing: 0.04em; }
@media (max-width: 600px) { .profile-table th, .profile-table td { display: block; width: 100%; padding: 0.25rem 0; } .profile-table th { border: 0; padding-top: var(--space-2); } }

.timeline { position: relative; padding-left: var(--space-4); }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--color-hairline); }
.timeline li { position: relative; padding-bottom: var(--space-4); }
.timeline li::before { content: ""; position: absolute; left: calc(-1 * var(--space-4) + 1px); top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-blue); border: 2px solid var(--color-surface); box-shadow: 0 0 0 1px var(--color-hairline); }
.timeline li:last-child { padding-bottom: 0; }
.timeline li:last-child::before { background: var(--color-green); }
.timeline .date { font-size: var(--fs-100); font-weight: 700; color: var(--color-accent); letter-spacing: 0.04em; }
.timeline .desc { color: var(--color-ink-soft); margin: 0; }

/* =========================================================
   Recruit
   ========================================================= */
.recruit { text-align: left; }
.recruit h2 { font-size: clamp(1.6rem, 4vw, var(--fs-600)); margin-bottom: var(--space-3); }
.recruit__inner { width: 100%; max-width: 600px; }

/* =========================================================
   Figures
   ========================================================= */
.figure-num { font-size: var(--fs-700); letter-spacing: -0.02em; font-weight: 700; }
.figure-num .unit { font-size: var(--fs-400); }
.figure-label { font-size: var(--fs-100); color: var(--color-muted); letter-spacing: 0.08em; }
.section--dark .figure-num { color: #fff; }
.section--dark .figure-label { color: #94a3b8; }

/* =========================================================
   Contact / forms
   ========================================================= */
.field { display: block; margin-bottom: var(--space-3); }
.field > span, .field label { display: block; font-size: var(--fs-100); font-weight: 600; letter-spacing: 0.04em; color: var(--color-ink-soft); margin-bottom: var(--space-1); }
.field .req { color: #e0382b; margin-left: 0.35rem; font-size: 0.7rem; }
.wpcf7-form .req { color: #e0382b; }
.field input, .field textarea, .field select {
  width: 100%; padding: 0.85rem 1rem; font: inherit; color: var(--color-ink);
  background: var(--color-surface); border: 1px solid var(--color-hairline); border-radius: var(--radius);
}
.field input:focus, .field textarea:focus { outline: 0; border-color: var(--color-blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-blue) 18%, transparent); }
.field textarea { min-height: 9rem; resize: vertical; }
.consent { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.95rem; }
.consent input { width: auto; margin-top: 0.35rem; }

#company, #contact { background: var(--color-surface); }
#recruit { position: relative; overflow: hidden; padding-block: calc(var(--space-7) + var(--space-4)); background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%); }
#recruit::after { content: none; }
@media (max-width: 720px) {
  #recruit { padding-block: var(--space-5); }
}
#recruit .container { position: relative; z-index: 1; }
#recruit .container.recruit__media {
  position: absolute; top: 0; bottom: 0; left: 0; right: 0; margin-inline: auto; z-index: 0;
  display: flex; justify-content: flex-start; align-items: center; pointer-events: none;
}
.recruit__media-img { width: 50%; max-width: 600px; height: auto; }
@media (min-width: 1025px) {
  #recruit .container.recruit { width: 50%; max-width: none; margin-inline: auto 0; }
}
@media (max-width: 1024px) {
  #recruit { height: auto; max-height: none; }
  #recruit .container.recruit__media {
    position: static; top: auto; bottom: auto; justify-content: center; margin-top: var(--space-4);
  }
  .recruit__media-img { width: 80%; }
  .recruit__inner { max-width: none; }
  .recruit__inner p { width: 100%; max-width: none; }
}
#recruit .section-head .eyebrow, #recruit .section-head h2, #recruit h2, #recruit h3, #recruit p, #recruit .muted, #recruit .lead { color: #ffffff; }
#contact { background: var(--color-paper); }
.contact-cta { display: grid; grid-template-columns: 1fr; gap: var(--space-5); align-items: center; }
.contact-cta__lead .eyebrow { margin-bottom: var(--space-2); }
.contact-cta__lead h2 { font-size: clamp(1.75rem, 4vw, var(--fs-600)); line-height: var(--lh-tight); }
.contact-cta__lead .muted { margin-top: var(--space-2); }

.contact-card {
  background: var(--color-surface); border: var(--border); border-radius: var(--radius);
  padding: clamp(var(--space-4), 3.5vw, var(--space-6)); box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}
.contact-card__cols { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.contact-card h3 { font-size: clamp(var(--fs-100), 1.4vw, var(--fs-200)); color: var(--color-ink-soft); margin-bottom: var(--space-2); }
.contact-card .tel-big { display: inline-block; font-size: clamp(1.4rem, 2.2vw, var(--fs-500)); font-weight: 700; color: var(--color-ink); letter-spacing: 0.02em; line-height: 1.15; }
.contact-card .tel-big:hover { color: var(--color-blue); }
.contact-card .muted { margin-top: 0; margin-bottom: 0; font-size: var(--fs-100); }
.contact-card__form { display: flex; flex-direction: column; align-items: flex-start; }
.contact-card__btn { width: 100%; margin-top: auto; font-size: clamp(var(--fs-200), 1.6vw, var(--fs-300)); background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%); border: 0; }
.contact-card__btn:hover { background: linear-gradient(135deg, #0079bd 0%, #7ab32f 100%); border: 0; }
.btn__icon { width: 1.15em; height: 1.15em; flex: none; transition: transform var(--dur) var(--ease); }
.contact-card__btn .btn__icon { margin-left: auto; }
.contact-card__btn:hover .btn__icon { transform: translateX(3px); }

@media (max-width: 600px) {
  .contact-card { padding: 8%; }
  .contact-cta { gap: var(--space-4); }
  .contact-cta__lead h2 { line-height: 1.5; }
  .contact-cta__lead .muted br { display: none; }
  #contact { padding-block: var(--space-5); }
}
@media (min-width: 601px) {
  .contact-card__cols { grid-template-columns: 1fr 1fr; gap: clamp(var(--space-3), 2.5vw, var(--space-5)); }
  .contact-card__form { border-left: var(--border); padding-left: clamp(var(--space-3), 2.5vw, var(--space-5)); }
}
@media (min-width: 1026px) {
  .contact-cta { grid-template-columns: 0.8fr 1.2fr; gap: clamp(var(--space-4), 4vw, var(--space-6)); }
}

/* Contact page (Template Name: Contact) */
.contact-page__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); align-items: start; }
.contact-page__info { background: var(--color-surface); border: var(--border); border-radius: var(--radius); padding: var(--space-4); }
.contact-page__info-title { font-size: var(--fs-300); margin-bottom: var(--space-2); }
.contact-page__info .tel-big { display: inline-block; font-size: var(--fs-500); font-weight: 700; color: var(--color-ink); letter-spacing: 0.02em; line-height: 1.15; }
.contact-page__info .tel-big:hover { color: var(--color-blue); }
.contact-page__info .muted { margin-top: 0; font-size: var(--fs-100); }
.contact-page__meta { margin-top: var(--space-4); display: grid; grid-template-columns: 5em 1fr; gap: var(--space-1) var(--space-3); font-size: var(--fs-100); }
.contact-page__meta dt { font-weight: 600; color: var(--color-ink-soft); }
.contact-page__meta dd { margin: 0; color: var(--color-ink-soft); }

.contact-page__form .wpcf7-form p { margin-bottom: var(--space-3); }
.contact-page__form label { display: block; font-size: var(--fs-100); font-weight: 600; letter-spacing: 0.04em; color: var(--color-ink-soft); }
.contact-page__form input:not([type="submit"]):not([type="checkbox"]):not([type="radio"]),
.contact-page__form textarea,
.contact-page__form select {
  width: 100%; margin-top: var(--space-1); padding: 0.85rem 1rem; font: inherit; color: var(--color-ink);
  background: var(--color-surface); border: 1px solid var(--color-hairline); border-radius: var(--radius);
}
.contact-page__form input:focus, .contact-page__form textarea:focus, .contact-page__form select:focus {
  outline: 0; border-color: var(--color-blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-blue) 18%, transparent);
}
.contact-page__form textarea { min-height: 10rem; resize: vertical; }

/* 必須／任意バッジ */
.contact-page__form .req,
.contact-page__form .opt {
  display: inline-block; margin-left: 0.4rem; padding: 0.08em 0.5em; border-radius: 999px;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.04em; vertical-align: middle;
}
.contact-page__form .req { color: #fff; background: #e0382b; }
.contact-page__form .opt { color: var(--color-ink-soft); background: color-mix(in srgb, var(--color-ink-soft) 14%, transparent); }

/* 工事の分野などのチェックボックス群 */
.contact-page__form .wpcf7-checkbox { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-top: var(--space-1); }
.contact-page__form .wpcf7-list-item { display: inline-flex; align-items: center; gap: 0.4rem; margin: 0; }
.contact-page__form .wpcf7-list-item-label { font-weight: 500; color: var(--color-ink); }

/* ファイル添付 */
.contact-page__form input[type="file"] {
  width: 100%; margin-top: var(--space-1); padding: 0.7rem 1rem; font: inherit; font-size: var(--fs-100);
  color: var(--color-ink-soft); background: var(--color-surface);
  border: 1px dashed var(--color-hairline); border-radius: var(--radius); cursor: pointer;
}
.contact-page__form input[type="file"]:hover { border-color: var(--color-blue); }
.contact-page__form .wpcf7-submit {
  width: 100%; margin-top: var(--space-2); padding: 0.95rem 1.7rem; font: inherit; font-weight: 600; letter-spacing: 0.08em;
  color: #fff; background: linear-gradient(135deg, #0096e6 0%, #8cc63f 100%); border: 0; border-radius: var(--radius); cursor: pointer;
  transition: background var(--dur) var(--ease);
}
.contact-page__form .wpcf7-submit:hover { background: linear-gradient(135deg, #0079bd 0%, #7ab32f 100%); }
.contact-page__form .wpcf7-not-valid-tip { color: #c0392b; font-size: var(--fs-100); }
.contact-page__form .wpcf7-response-output { margin: var(--space-3) 0 0; padding: var(--space-2) var(--space-3); border-radius: var(--radius); font-size: var(--fs-100); }

@media (min-width: 861px) {
  .contact-page__grid { grid-template-columns: 0.8fr 1.2fr; gap: var(--space-6); }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer { background: color-mix(in srgb, var(--color-dark) 92%, transparent); color: var(--color-paper); padding-block: var(--space-6) var(--space-4); margin-top: 0; }
.site-footer .container { max-width: 100%; }
.site-footer a { color: var(--color-paper); }
.site-footer a:hover { color: var(--color-green); }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-5); align-items: start; }
.site-footer__grid > div:last-child { justify-self: end; }
@media (max-width: 880px) { .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-4); } .site-footer__grid > div:last-child { justify-self: start; } }
.site-footer h4 { font-size: var(--fs-100); letter-spacing: 0.12em; text-transform: uppercase; color: #94a3b8; margin-bottom: var(--space-2); }
.site-footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); padding-top: var(--space-3); border-top: 1px solid #1e293b; font-size: var(--fs-100); color: #94a3b8; }
.site-footer__links { display: inline-flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-4); }
.site-footer__links a { text-decoration: underline; text-underline-offset: 0.2em; }

/* =========================================================
   Modal（プライバシーポリシー等）
   ========================================================= */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: var(--space-3); }
.modal[hidden] { display: none; }
.modal__overlay { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.6); opacity: 0; transition: opacity var(--dur) var(--ease); }
.modal__dialog {
  position: relative; z-index: 1; width: 100%; max-width: 720px; max-height: 86vh; overflow-y: auto;
  background: var(--color-surface); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(15, 23, 42, 0.3);
  padding: clamp(var(--space-4), 4vw, var(--space-6));
  transform: translateY(12px); opacity: 0; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.modal.is-open .modal__overlay { opacity: 1; }
.modal.is-open .modal__dialog { transform: none; opacity: 1; }
.modal__close {
  position: absolute; top: 0.6rem; right: 0.6rem; width: 2.4rem; height: 2.4rem; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; line-height: 1; color: var(--color-ink-soft); background: none; border: 0; border-radius: 50%; cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.modal__close:hover { background: color-mix(in srgb, var(--color-ink-soft) 12%, transparent); color: var(--color-ink); }
.modal__title { font-size: var(--fs-500); margin-bottom: var(--space-3); }
.modal__body h3 { font-size: var(--fs-200); margin: var(--space-4) 0 var(--space-1); }
.modal__body p { margin: 0 0 var(--space-2); color: var(--color-ink-soft); line-height: var(--lh-base); }
.modal__body ul { margin: 0 0 var(--space-2) 1.2em; padding: 0; color: var(--color-ink-soft); }
.modal__body li { margin-bottom: 0.3rem; }
@media (prefers-reduced-motion: reduce) {
  .modal__overlay, .modal__dialog { transition: none; }
}

/* reCAPTCHA バッジを最前面に */
.grecaptcha-badge { z-index: 2147483647 !important; }

/* =========================================================
   Floating mobile menu
   ========================================================= */
.floating-menu { display: none; }
@media (max-width: 1080px) {
  .floating-menu {
    display: grid; grid-template-columns: repeat(2, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    background: var(--color-surface); border-top: var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
  }
  .floating-menu a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 0.6rem; font-size: 0.7rem; font-weight: 600; color: var(--color-ink-soft); }
  .floating-menu a + a { border-left: var(--border); }
  .floating-menu a svg { width: 20px; height: 20px; }
  .floating-menu .fm-tel { color: var(--color-blue); }
  .floating-menu .fm-contact { color: var(--color-green); }
  body:has(.floating-menu) { padding-bottom: 60px; }
}

/* =========================================================
   Page header (下層ページ)
   ========================================================= */
.page-hero { padding-block: var(--space-6) var(--space-5); border-bottom: var(--border); background: var(--color-surface); }
.page-hero h1 { font-size: clamp(2rem, 5vw, var(--fs-700)); margin-top: var(--space-2); }
.page-hero .lead { font-size: var(--fs-200); }
@media (max-width: 600px) {
  .page-hero + .section { padding-top: var(--space-5); }
}
.thanks-box { max-width: 640px; margin-inline: auto; text-align: center; }
.thanks-box__actions { margin-top: var(--space-3); }
.thanks-box .tel-big { display: inline-block; font-size: clamp(1.6rem, 3vw, var(--fs-600)); font-weight: 700; color: var(--color-ink); letter-spacing: 0.02em; line-height: 1.15; }
.thanks-box .tel-big:hover { color: var(--color-blue); }

/* =========================================================
   Article / prose
   ========================================================= */
.prose { max-width: 70ch; }
.prose :where(h2) { font-size: var(--fs-500); margin: var(--space-5) 0 var(--space-2); }
.prose :where(h3) { font-size: var(--fs-400); margin: var(--space-4) 0 var(--space-2); }
.prose :where(p, ul, ol) { margin-bottom: var(--space-3); }
.prose :where(ul) li { position: relative; padding-left: 1.4rem; }
.prose :where(ul) li::before { content: ""; position: absolute; left: 0; top: 0.85em; width: 0.55rem; height: 2px; background: var(--color-accent); }
.prose a { color: var(--color-blue); border-bottom: 1px solid currentColor; }

/* =========================================================
   Generic cards / works (下層ページ・一覧で使用)
   ========================================================= */
.card { padding: var(--space-3) 0; border-top: var(--border); }
.card:first-child { border-top: 0; }
.card__index { font-size: var(--fs-100); letter-spacing: 0.1em; color: var(--color-muted); font-weight: 600; }
.card h3 { font-size: var(--fs-400); margin: var(--space-1) 0 var(--space-2); }

.work { display: block; border-top: var(--border); padding-top: var(--space-2); }
.work h3 { font-size: var(--fs-300); margin: var(--space-1) 0; }
.work__media { aspect-ratio: 4 / 3; background: var(--color-surface); border: var(--border); overflow: hidden; margin-bottom: var(--space-2); }
.work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.work:hover .work__media img { transform: scale(1.03); }
.work__meta { display: flex; justify-content: space-between; font-size: var(--fs-100); color: var(--color-muted); }
.placeholder-media {
  aspect-ratio: 4 / 3;
  background: repeating-linear-gradient(45deg, var(--color-paper) 0 10px, transparent 10px 20px), var(--color-surface);
  border: var(--border); border-radius: var(--radius);
  display: grid; place-items: center; color: var(--color-muted); font-size: var(--fs-100); letter-spacing: 0.1em;
}

/* =========================================================
   Motion
   ========================================================= */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Accessibility helpers */
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-ink); color: #fff; padding: var(--space-1) var(--space-2); z-index: 999; }
.skip-link:focus { left: var(--space-2); top: var(--space-2); }