/* ============================================================
  CSS Variables
============================================================ */
:root {
  --color-main:    #17324D;
  --color-accent:  #1DB7B7;
  --color-bg:      #ffffff;
  --color-bg-light:#F4FAFB;
  --color-text:    #102A43;
  --color-gray:    #66788A;
  --color-border:  #D9E8EC;

  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;

  --container-max: 1120px;
  --container-pad: clamp(1.25rem, 5vw, 2.5rem);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm:    0 2px 8px  rgba(23,50,77,0.07);
  --shadow-md:    0 6px 24px rgba(23,50,77,0.10);
  --shadow-hover: 0 12px 36px rgba(23,50,77,0.14);

  --transition: 0.25s ease;
}

/* ============================================================
  Reset & Base
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ja);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ============================================================
  Utility
============================================================ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: clamp(4rem, 10vw, 7rem); }
.section--light { background: var(--color-bg-light); }

.section-head { text-align: center; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.section-label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-main);
}
.section-title--left { text-align: left; }

/* Scroll reveal */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
  Buttons
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-ja);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.btn--sm  { padding: 0.45rem 1rem;  font-size: 0.85rem; }
.btn--md  { padding: 0.7rem 1.5rem; font-size: 0.95rem; }
.btn--lg  { padding: 0.9rem 2rem;   font-size: 1rem; }

.btn--primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--primary:hover { background: #18a3a3; border-color: #18a3a3; color: #fff; }

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

.btn--white { background: #fff; color: var(--color-accent); border-color: #fff; }
.btn--white:hover { background: #e6f9f9; color: var(--color-accent); }

/* ============================================================
  Header
============================================================ */
.header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 100;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

/* Logo */
.header__logo, .footer__logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.header__logo-img,
.footer__logo-img {
  height: 60px;
  width: auto;
  display: block;
}
@media (max-width: 640px) {
  .header__logo-img,
  .footer__logo-img {
    height: 44px;
  }
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-main), var(--color-accent));
  border-radius: 8px;
  flex-shrink: 0;
}
.logo-mark__icon {
  display: block;
  width: 18px; height: 18px;
  border: 2.5px solid #fff;
  border-radius: 2px;
  position: relative;
}
.logo-mark__icon::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 2px;
  width: 5px; height: 8px;
  background: #fff;
  border-radius: 1px;
}
.logo-mark__icon::before {
  content: '';
  position: absolute;
  bottom: 2px; right: 2px;
  width: 5px; height: 12px;
  background: rgba(255,255,255,0.6);
  border-radius: 1px;
}
.logo-mark__text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-main);
  letter-spacing: 0.03em;
}

/* PC Nav */
.header__nav { display: flex; align-items: center; gap: 2rem; }
.nav__list   { display: flex; gap: 1.5rem; }
.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-main);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--color-accent); }
.nav__link:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: var(--color-bg-light); }
.hamburger__line {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-main);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.is-open .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.is-open .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem var(--container-pad) 2rem;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav__list { display: flex; flex-direction: column; margin-bottom: 1.25rem; }
.mobile-nav__link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-main);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-nav__link:hover { color: var(--color-accent); }
.mobile-nav__cta { width: 100%; margin-top: 0.5rem; }

/* ============================================================
  Hero / First View
============================================================ */
.hero {
  background: linear-gradient(155deg, #ffffff 50%, #edf9fa 100%);
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -140px; right: -200px;
  width: 760px; height: 760px;
  background: radial-gradient(circle, rgba(29,183,183,0.09) 0%, transparent 65%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero__label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}
.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-main);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}
.hero__sub {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 1.9;
  color: var(--color-gray);
  margin-bottom: 2rem;
  text-wrap: pretty;
}
.hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
}
.hero__scroll-line {
  display: block;
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0%   { opacity: 1; transform: scaleY(1) translateY(0); }
  50%  { opacity: 0.5; transform: scaleY(1.2) translateY(5px); }
  100% { opacity: 1; transform: scaleY(1) translateY(0); }
}
.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-gray);
}

/* ============================================================
  FV Visual — Device Frame Dashboard
============================================================ */
.hero__visual { position: relative; }
.fv-visual {
  position: relative;
  width: 100%;
  padding-bottom: 20px;
}

/* Background blobs */
.fv-blob { position: absolute; border-radius: 50%; filter: blur(50px); pointer-events: none; z-index: 0; }
.fv-blob--1 { width: 300px; height: 300px; background: rgba(29,183,183,0.13); top: -50px; right: -30px; }
.fv-blob--2 { width: 220px; height: 220px; background: rgba(23,50,77,0.07);   bottom: 10px; left: -10px; }

/* Device (browser window) */
.fv-device {
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(23,50,77,0.16), 0 4px 20px rgba(23,50,77,0.08);
  border: 1px solid rgba(23,50,77,0.09);
  overflow: hidden;
  margin-right: 20px;
}
.fv-device__bar {
  height: 32px;
  background: #f0f2f5;
  border-bottom: 1px solid rgba(23,50,77,0.07);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}
.fv-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.fv-dot--red    { background: #ff6059; }
.fv-dot--yellow { background: #ffbf2f; }
.fv-dot--green  { background: #28ca41; }
.fv-device__url {
  margin-left: 8px;
  font-family: var(--font-en);
  font-size: 0.58rem;
  color: #aaa;
  background: #e4e6e9;
  padding: 2px 12px;
  border-radius: 100px;
}

/* Screen */
.fv-device__screen { display: flex; min-height: 268px; }

/* Sidebar */
.fv-screen__sidebar {
  width: 38px;
  background: var(--color-main);
  flex-shrink: 0;
  padding: 14px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.fv-sidebar__dot {
  width: 18px; height: 18px;
  border-radius: 5px;
  background: rgba(255,255,255,0.12);
}
.fv-sidebar__dot--active { background: var(--color-accent); }

/* Main screen content */
.fv-screen__main {
  flex: 1;
  background: #f7f9fc;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  overflow: hidden;
}
.fv-screen__topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.fv-screen__page-title {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-main);
}
.fv-screen__badge {
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(29,183,183,0.12);
  padding: 0.2em 0.75em;
  border-radius: 100px;
}

/* KPI cards */
.fv-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.fv-kpi {
  background: #fff;
  border-radius: 6px;
  padding: 8px 10px;
  border: 1px solid rgba(23,50,77,0.06);
  box-shadow: 0 1px 4px rgba(23,50,77,0.05);
}
.fv-kpi__num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}
.fv-kpi__label { display: block; font-size: 0.58rem; color: var(--color-gray); margin-top: 2px; }

/* Chart */
.fv-chart-wrap {
  flex: 1;
  background: #fff;
  border-radius: 6px;
  padding: 10px 10px 6px;
  border: 1px solid rgba(23,50,77,0.06);
  box-shadow: 0 1px 4px rgba(23,50,77,0.05);
  display: flex;
  flex-direction: column;
  gap: 7px;
  position: relative;
  overflow: hidden;
}
.fv-chart__label {
  font-family: var(--font-en);
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--color-gray);
}
.fv-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  flex: 1;
  min-height: 60px;
  position: relative;
}
.fv-bar { flex: 1; border-radius: 3px 3px 0 0; background: rgba(29,183,183,0.18); }
.fv-bar--hi  { background: rgba(29,183,183,0.45); }
.fv-bar--top { background: var(--color-accent); }
.fv-line-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

/* Floating cards (outside device) */
.fv-float {
  position: absolute;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(23,50,77,0.14);
  border: 1px solid var(--color-border);
  z-index: 3;
}
.fv-float--sports {
  bottom: 70px;
  right: 0;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 158px;
}
.fv-float--metric {
  bottom: 10px;
  right: 0;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fv-float__icon {
  width: 32px; height: 32px;
  background: rgba(29,183,183,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.fv-float__icon svg { width: 16px; height: 16px; }
.fv-float__num   { display: block; font-family: var(--font-en); font-size: 1.05rem; font-weight: 700; color: var(--color-accent); }
.fv-float__label { display: block; font-size: 0.6rem; color: var(--color-gray); }
.fv-float__tag   { font-family: var(--font-en); font-size: 0.5rem; font-weight: 600; letter-spacing: 0.1em; color: var(--color-accent); display: block; }
.fv-float__desc  { font-size: 0.72rem; font-weight: 600; color: var(--color-main); line-height: 1.35; display: block; }

/* ============================================================
  Service
============================================================ */
.service__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.service-card__icon { width: 56px; height: 56px; }
.service-card__body { display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.service-card__title { font-size: 1.15rem; font-weight: 700; color: var(--color-main); line-height: 1.4; }
.service-card__text  { font-size: 0.9rem; color: var(--color-gray); line-height: 1.8; flex: 1; }
.service-card__link {
  font-size: 0.85rem; font-weight: 600; color: var(--color-accent);
  display: inline-flex; align-items: center; gap: 0.25rem;
  transition: gap var(--transition), color var(--transition);
  margin-top: auto;
}
.service-card__link:hover { gap: 0.5rem; color: #18a3a3; }

/* ============================================================
  About
============================================================ */
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.about__text  { display: flex; flex-direction: column; gap: 1.25rem; }
.about__body  { font-size: 0.95rem; line-height: 1.9; color: var(--color-gray); }
.about__visual { aspect-ratio: 1 / 1; max-width: 480px; }
.about-visual {
  position: relative; width: 100%; height: 100%; min-height: 280px;
  background: linear-gradient(135deg, #E8F6F6 0%, #D6EDF0 100%);
  border-radius: var(--radius-lg); overflow: hidden;
}
.about-visual__court { position: absolute; inset: 0; }
.court-line { position: absolute; background: rgba(29,183,183,0.2); }
.court-line--h { height: 1px; left: 10%; right: 10%; top: 50%; }
.court-line--v { width: 1px; top: 10%; bottom: 10%; left: 50%; }
.court-net {
  position: absolute; height: 3px; left: 10%; right: 10%; top: 50%;
  background: repeating-linear-gradient(90deg, rgba(29,183,183,0.4) 0px, rgba(29,183,183,0.4) 6px, transparent 6px, transparent 10px);
  transform: translateY(-1px);
}
.about-visual__data { position: absolute; top: 16px; left: 16px; right: 16px; }
.data-card { background: rgba(255,255,255,0.92); border-radius: var(--radius-sm); padding: 0.75rem 1rem; box-shadow: var(--shadow-sm); }
.data-card svg { width: 100%; height: 50px; }
.data-card__label { font-size: 0.7rem; color: var(--color-gray); font-weight: 600; margin-top: 0.25rem; }
.about-visual__sport { position: absolute; bottom: 20px; right: 20px; width: 60px; height: 60px; opacity: 0.7; }

/* ============================================================
  Strength
============================================================ */
.strength__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.strength-item {
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  transition: background var(--transition), box-shadow var(--transition);
}
.strength-item:hover { background: var(--color-bg-light); box-shadow: var(--shadow-sm); }
.strength-item__icon  { width: 64px; height: 64px; }
.strength-item__title { font-size: 1rem; font-weight: 700; color: var(--color-main); }
.strength-item__text  { font-size: 0.875rem; color: var(--color-gray); line-height: 1.8; }

/* ============================================================
  Works
============================================================ */
.works__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.work-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.work-card__thumb { overflow: hidden; aspect-ratio: 16 / 9; }
.work-thumb-visual { width: 100%; height: 100%; }
.work-thumb-visual svg { width: 100%; height: 100%; }
.work-card__body { padding: 1.25rem 1.25rem 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.work-card__tag  { font-size: 0.7rem; font-weight: 600; color: var(--color-accent); letter-spacing: 0.05em; }
.work-card__title { font-size: 1rem; font-weight: 700; color: var(--color-main); line-height: 1.4; }
.work-card__text  { font-size: 0.85rem; color: var(--color-gray); line-height: 1.75; flex: 1; }
.work-card__link {
  font-size: 0.82rem; font-weight: 600; color: var(--color-accent);
  display: inline-flex; align-items: center; gap: 0.25rem;
  transition: gap var(--transition);
  margin-top: 0.25rem;
}
.work-card__link:hover { gap: 0.5rem; }
.works__more { text-align: center; margin-top: 2.5rem; }

/* ============================================================
  Blog / News (Homepage section)
============================================================ */
.blog__list { display: flex; flex-direction: column; border-top: 1px solid var(--color-border); }
.blog-card  { border-bottom: 1px solid var(--color-border); }
.blog-card__link {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.25rem 0;
  transition: color var(--transition);
}
.blog-card__link:hover { color: var(--color-accent); }
.blog-card__meta  { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.blog-card__date  { font-family: var(--font-en); font-size: 0.85rem; color: var(--color-gray); white-space: nowrap; }
.blog-card__tag   { font-size: 0.7rem; font-weight: 600; color: var(--color-accent); background: rgba(29,183,183,0.1); padding: 0.2em 0.65em; border-radius: 100px; white-space: nowrap; }
.blog-card__title { font-size: 0.95rem; font-weight: 500; color: var(--color-text); line-height: 1.5; transition: color var(--transition); }
.blog-card__link:hover .blog-card__title { color: var(--color-accent); }
.blog__more { text-align: right; margin-top: 1.25rem; }
.link-more  { font-size: 0.875rem; font-weight: 600; color: var(--color-accent); transition: color var(--transition); }
.link-more:hover { color: #18a3a3; }

/* ============================================================
  CTA Section
============================================================ */
.cta { background: linear-gradient(135deg, var(--color-main) 0%, #1a5c6e 50%, var(--color-accent) 100%); padding-block: clamp(4rem, 8vw, 6rem); }
.cta__inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.cta__title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: #fff; line-height: 1.4; }
.cta__text  { font-size: 0.95rem; color: rgba(255,255,255,0.82); line-height: 1.85; }

/* ============================================================
  Footer
============================================================ */
.footer { background: var(--color-main); color: rgba(255,255,255,0.75); padding-top: clamp(3rem, 6vw, 5rem); }
.footer__inner {
  display: grid; grid-template-columns: 1fr auto;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__brand   { display: flex; flex-direction: column; gap: 1rem; }
.footer__logo .logo-mark__text { color: #fff; }
.footer__desc    { font-size: 0.875rem; line-height: 1.75; color: rgba(255,255,255,0.6); }
.footer__nav     { display: flex; gap: 3rem; }
.footer__nav-head { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: rgba(255,255,255,0.45); text-transform: uppercase; margin-bottom: 1rem; }
.footer__nav-list { display: flex; flex-direction: column; gap: 0.65rem; }
.footer__nav-link { font-size: 0.875rem; color: rgba(255,255,255,0.7); transition: color var(--transition); }
.footer__nav-link:hover { color: var(--color-accent); }
.footer__bottom { padding-block: 1.5rem; }
.footer__copy   { font-size: 0.78rem; color: rgba(255,255,255,0.4); font-family: var(--font-en); text-align: center; }

/* ============================================================
  Blog Index (home.php / archive.php)
============================================================ */
.blog-index { padding-block: clamp(3rem, 7vw, 5rem); }
.blog-index__header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}
.blog-index__kicker { font-family: var(--font-en); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; color: var(--color-accent); display: block; margin-bottom: 0.5rem; }
.blog-index__title  { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--color-main); }

.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

.post-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.post-card__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-light);
}
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.post-card:hover .post-card__thumb img { transform: scale(1.04); }
.post-card__thumb--placeholder {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-bg-light), #e0f0f0);
}
.post-card__thumb--placeholder svg { width: 40px; height: 40px; opacity: 0.4; }

.post-card__body { padding: 1.25rem 1.25rem 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.post-card__meta { display: flex; align-items: center; gap: 0.75rem; }
.post-card__date { font-family: var(--font-en); font-size: 0.78rem; color: var(--color-gray); }
.post-card__cat  { font-size: 0.68rem; font-weight: 600; color: var(--color-accent); background: rgba(29,183,183,0.1); padding: 0.15em 0.6em; border-radius: 100px; }
.post-card__title { font-size: 0.95rem; font-weight: 700; color: var(--color-main); line-height: 1.5; }
.post-card__title a { display: block; transition: color var(--transition); }
.post-card__title a:hover { color: var(--color-accent); }
.post-card__excerpt { font-size: 0.83rem; color: var(--color-gray); line-height: 1.75; flex: 1; }
.post-card__link { font-size: 0.82rem; font-weight: 600; color: var(--color-accent); display: inline-flex; align-items: center; gap: 0.25rem; margin-top: auto; transition: gap var(--transition); }
.post-card__link:hover { gap: 0.5rem; }

/* Pagination */
.pagination { margin-top: 3rem; display: flex; justify-content: center; }
.page-numbers { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.page-numbers a, .page-numbers span {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-main);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.page-numbers a:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.page-numbers .current { background: var(--color-main); color: #fff; border-color: var(--color-main); }

/* ============================================================
  Single Post
============================================================ */
.single-post { padding-block: clamp(2.5rem, 6vw, 4rem); }

/* Breadcrumb */
.breadcrumb { margin-bottom: 2rem; }
.breadcrumb, .breadcrumb a, .breadcrumb span {
  font-size: 0.8rem;
  color: var(--color-gray);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb-sep { margin-inline: 0.4rem; opacity: 0.5; }

/* Article header */
.article-header { margin-bottom: 2.5rem; }
.article-header__meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.article-header__date { font-family: var(--font-en); font-size: 0.85rem; color: var(--color-gray); }
.article-header__cat  { font-size: 0.72rem; font-weight: 600; color: var(--color-accent); background: rgba(29,183,183,0.12); padding: 0.25em 0.75em; border-radius: 100px; }
.article-header__title { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; color: var(--color-main); line-height: 1.4; }

/* Featured image */
.article-eyecatch {
  aspect-ratio: 16 / 7;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
  background: var(--color-bg-light);
}
.article-eyecatch img { width: 100%; height: 100%; object-fit: cover; }

/* Article body (entry-content) */
.entry-content {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
}
.entry-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--color-main); margin: 2.5rem 0 1rem; padding-left: 0.75rem; border-left: 3px solid var(--color-accent); }
.entry-content h3 { font-size: 1.2rem; font-weight: 700; color: var(--color-main); margin: 2rem 0 0.75rem; }
.entry-content h4 { font-size: 1rem; font-weight: 700; color: var(--color-main); margin: 1.5rem 0 0.5rem; }
.entry-content p  { margin-bottom: 1.5rem; }
.entry-content a  { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.entry-content a:hover { text-decoration: none; }
.entry-content ul, .entry-content ol { margin: 1rem 0 1.5rem 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li { line-height: 1.7; }
.entry-content blockquote {
  border-left: 3px solid var(--color-border);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  color: var(--color-gray);
  background: var(--color-bg-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.entry-content code { background: var(--color-bg-light); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.875em; }
.entry-content pre  { background: var(--color-main); color: #e2f0f0; padding: 1.25rem 1.5rem; border-radius: var(--radius-sm); overflow-x: auto; margin: 1.5rem 0; }
.entry-content pre code { background: none; padding: 0; color: inherit; }
.entry-content img  { border-radius: var(--radius-sm); margin: 1.5rem 0; }
.entry-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.entry-content th, .entry-content td { border: 1px solid var(--color-border); padding: 0.6rem 0.9rem; text-align: left; }
.entry-content th { background: var(--color-bg-light); font-weight: 600; color: var(--color-main); }
.entry-content hr { border: none; border-top: 1px solid var(--color-border); margin: 2.5rem 0; }

/* WordPress alignment classes */
.entry-content .alignleft  { float: left; margin: 0.5rem 1.5rem 1rem 0; }
.entry-content .alignright { float: right; margin: 0.5rem 0 1rem 1.5rem; }
.entry-content .aligncenter { margin-inline: auto; }
.entry-content .alignfull  { width: 100vw; max-width: 100vw; margin-left: calc(50% - 50vw); }
.entry-content .wp-block-image { margin: 1.5rem 0; }
.entry-content .wp-block-image figcaption { font-size: 0.8rem; color: var(--color-gray); text-align: center; margin-top: 0.5rem; }

/* Tags */
.article-tags { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.article-tags__label { font-size: 0.8rem; color: var(--color-gray); font-weight: 600; }
.tag-link { font-size: 0.75rem; color: var(--color-accent); background: rgba(29,183,183,0.1); padding: 0.2em 0.75em; border-radius: 100px; transition: background var(--transition), color var(--transition); }
.tag-link:hover { background: var(--color-accent); color: #fff; }

/* Related posts */
.related-posts { margin-top: 4rem; }
.related-posts__title { font-size: 1.1rem; font-weight: 700; color: var(--color-main); margin-bottom: 1.5rem; }
.related-posts__grid  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* Back link */
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.875rem; font-weight: 600; color: var(--color-gray); margin-top: 2.5rem; transition: color var(--transition); }
.back-link:hover { color: var(--color-accent); }

/* ============================================================
  Page (generic)
============================================================ */
.page-content { padding-block: clamp(3rem, 7vw, 5rem); }
.page-header { margin-bottom: 2.5rem; border-bottom: 1px solid var(--color-border); padding-bottom: 2rem; }
.page-header__kicker { font-family: var(--font-en); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; color: var(--color-accent); display: block; margin-bottom: 0.5rem; }
.page-header__title  { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: var(--color-main); }
.page-body { max-width: 720px; }

/* ============================================================
  404 Page
============================================================ */
.error-page { padding-block: clamp(5rem, 12vw, 9rem); text-align: center; }
.error-page__code  { font-family: var(--font-en); font-size: clamp(5rem, 15vw, 10rem); font-weight: 700; color: var(--color-accent); opacity: 0.15; line-height: 1; display: block; }
.error-page__title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--color-main); margin: 1rem 0 1.5rem; }
.error-page__text  { font-size: 0.95rem; color: var(--color-gray); margin-bottom: 2.5rem; }

/* ============================================================
  Archive page title
============================================================ */
.archive-header { border-bottom: 1px solid var(--color-border); padding-bottom: 2rem; margin-bottom: 3rem; }
.archive-header__kicker { font-family: var(--font-en); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; color: var(--color-accent); display: block; margin-bottom: 0.5rem; }
.archive-header__title  { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--color-main); }

/* ============================================================
  Responsive — Tablet (≤ 900px)
============================================================ */
@media (max-width: 900px) {
  .hero__inner     { grid-template-columns: 1fr; }
  .hero__visual    { display: none; }
  .hero__title     { font-size: clamp(2rem, 5vw, 2.75rem); }
  .service__cards  { grid-template-columns: 1fr; }
  .works__grid     { grid-template-columns: repeat(2, 1fr); }
  .strength__grid  { grid-template-columns: repeat(2, 1fr); }
  .about__inner    { grid-template-columns: 1fr; }
  .about__visual   { max-width: 100%; aspect-ratio: 16 / 7; }
  .about-visual    { min-height: 160px; }
  .posts-grid      { grid-template-columns: repeat(2, 1fr); }
  .related-posts__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner   { grid-template-columns: 1fr; gap: 2rem; }
  .footer__nav     { gap: 2rem; }
}

/* ============================================================
  Responsive — Mobile (≤ 640px)
============================================================ */
@media (max-width: 640px) {
  .header__nav  { display: none; }
  .hamburger    { display: flex; }
  .hero__btns   { flex-direction: column; align-items: flex-start; }
  .service__cards { grid-template-columns: 1fr; }
  .strength__grid { grid-template-columns: 1fr; }
  .works__grid    { grid-template-columns: 1fr; }
  .posts-grid     { grid-template-columns: 1fr; }
  .related-posts__grid { grid-template-columns: 1fr; }
  .blog-card__link { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .footer__nav { flex-wrap: wrap; gap: 1.5rem; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .hero__title { font-size: 1.75rem; }
}

/* ============================================================
  Contact Page
============================================================ */
.contact-hero {
  background: linear-gradient(155deg, #ffffff 50%, #edf9fa 100%);
  padding-block: clamp(3rem, 7vw, 5rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-border);
}
.contact-hero__inner { max-width: 560px; }
.contact-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.contact-hero__sub {
  font-size: 0.95rem;
  color: var(--color-gray);
  line-height: 1.85;
}

.contact-section { padding-block: clamp(3.5rem, 8vw, 5.5rem); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3.5rem;
  align-items: start;
}

/* ── フォームラッパー ── */
.contact-form-wrap__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--color-bg-light);
}

/* CF7 未インストール通知 */
.cf7-notice {
  background: #fff8e6;
  border: 1px solid #ffd87a;
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.cf7-notice__text { font-size: 0.875rem; line-height: 1.75; color: #8a6a00; }
.cf7-notice__text a { color: var(--color-accent); text-decoration: underline; }
.cf7-notice__text code { background: rgba(0,0,0,0.06); padding: 0.1em 0.4em; border-radius: 3px; font-size: 0.85em; }

/* ── Contact Form 7 スタイル ── */
.wpcf7 { width: 100%; }
.wpcf7-form { display: flex; flex-direction: column; gap: 1.5rem; }

.wpcf7-form p { margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }

.wpcf7-form label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form input[type="url"],
.wpcf7-form select,
.wpcf7-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.wpcf7-form input:focus,
.wpcf7-form select:focus,
.wpcf7-form textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29,183,183,0.12);
}
.wpcf7-form textarea { resize: vertical; min-height: 160px; }
.wpcf7-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2366788A' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 2.5rem;
}

/* 必須マーク */
.wpcf7-form .req,
.wpcf7-form abbr[title="必須"] {
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: 0.15em 0.5em;
  border-radius: 3px;
  text-decoration: none;
}

/* 送信ボタン */
.wpcf7-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.5rem;
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.wpcf7-form input[type="submit"]:hover {
  background: #18a3a3;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* スピナー */
.wpcf7-spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(29,183,183,0.2);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-left: 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* バリデーションエラー */
.wpcf7-not-valid { border-color: #e55 !important; }
.wpcf7-not-valid-tip {
  font-size: 0.78rem;
  color: #e55;
  margin-top: 0.3rem;
  display: block;
}

/* 送信結果メッセージ */
.wpcf7-response-output {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  border: 1.5px solid;
}
.wpcf7-mail-sent-ok {
  background: #e8f8f4;
  border-color: #2ec157;
  color: #1a7a3a;
}
.wpcf7-mail-sent-ng,
.wpcf7-spam-blocked,
.wpcf7-aborted {
  background: #fef2f2;
  border-color: #e55;
  color: #c33;
}
.wpcf7-validation-errors,
.wpcf7-acceptance-missing {
  background: #fff8e6;
  border-color: #ffd87a;
  color: #8a6a00;
}

/* ── シンプルフォールバックフォーム ── */
.simple-form { display: flex; flex-direction: column; gap: 1.5rem; }
.simple-form__group { display: flex; flex-direction: column; gap: 0.5rem; }
.simple-form__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.req {
  font-size: 0.68rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: 0.12em 0.45em;
  border-radius: 3px;
}
.simple-form__input,
.simple-form__select,
.simple-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.simple-form__input:focus,
.simple-form__select:focus,
.simple-form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29,183,183,0.12);
}
.simple-form__textarea { resize: vertical; min-height: 150px; }
.simple-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2366788A' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 2.5rem;
}
.simple-form__submit { align-self: flex-start; }

/* ── サイドバー情報 ── */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 2rem;
}
.contact-info__card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.25rem;
  border: 1px solid var(--color-border);
}
.contact-info__icon { width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; }
.contact-info__icon svg { width: 100%; height: 100%; }
.contact-info__head { font-size: 0.8rem; font-weight: 700; color: var(--color-main); margin-bottom: 0.3rem; }
.contact-info__text { font-size: 0.875rem; color: var(--color-gray); }
.contact-info__list { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.contact-info__list li {
  font-size: 0.83rem;
  color: var(--color-gray);
  padding-left: 1rem;
  position: relative;
}
.contact-info__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 0.72rem;
}

/* ── FAQ ── */
.contact-faq {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.contact-faq__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
.faq-item { margin-bottom: 1.1rem; }
.faq-item:last-child { margin-bottom: 0; }
.faq-item__q {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-main);
  margin-bottom: 0.3rem;
}
.faq-item__a {
  font-size: 0.8rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }
  .contact-info { position: static; }
}
@media (max-width: 640px) {
  .contact-hero { padding-block: 2.5rem 2rem; }
  .simple-form__submit,
  .wpcf7-form input[type="submit"] { width: 100%; }
}