/* =========================================================
   合同会社たんなふぁ — Corporate Site Styles
   ========================================================= */

:root {
  --color-black: #111111;
  --color-bg: #F7F7F5;
  --color-red: #B3261E;
  --color-blue: #155E75;
  --color-white: #FFFFFF;
  --color-muted: #5C5C58;
  --color-line: #E4E4DF;
  --color-soft: #EFEFED;

  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, "Noto Sans JP", Meiryo, sans-serif;
  --font-display: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", "Hiragino Sans", serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;

  --container: 1120px;
  --header-h: 4.25rem;
  --radius: 2px;
  --shadow-soft: 0 12px 40px rgba(17, 17, 17, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  color: var(--color-black);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-blue);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

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

p {
  margin: 0 0 1.25em;
}

p:last-child {
  margin-bottom: 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-black);
  color: var(--color-white);
}

.skip-link:focus {
  top: 1rem;
}

/* Header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 247, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
}

.site-header__inner {
  width: min(100% - 2rem, 1200px);
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
}

.site-logo:hover {
  color: inherit;
}

.site-logo img {
  /* background: #ffffff; */
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.site-logo__name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.site-logo--footer img {
  width: 44px;
  height: 44px;
  background: #ffffff;
  
}

.site-logo--footer .site-logo__name {
  color: #fff;
  font-size: 1rem;
}

.global-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.global-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.7rem;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  transition: color 0.25s var(--ease);
}

.global-nav__link.is-active {
  color: var(--color-blue);
}

.global-nav__link--cta {
  margin-left: 0.5rem;
  padding: 0.65rem 1.1rem;
  background: var(--color-black);
  color: var(--color-white) !important;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.global-nav__link--cta:hover {
  background: var(--color-red);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.35rem;
  height: 1.5px;
  margin: 0.28rem auto;
  background: var(--color-black);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-overlay {
  display: none;
}

/* Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: grid;
  align-items: end;
  color: var(--color-white);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroZoom 12s var(--ease) forwards;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(17, 17, 17, 0.28) 0%, rgba(17, 17, 17, 0.55) 55%, rgba(17, 17, 17, 0.78) 100%),
    linear-gradient(90deg, rgba(17, 17, 17, 0.45) 0%, rgba(17, 17, 17, 0.1) 60%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--container));
  margin: 0 auto;
  padding: 5rem 0 4.5rem;
}

.hero__brand {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: 0.18em;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.15s forwards;
}

.hero__title {
  max-width: 14em;
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.25;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.3s forwards;
}

.hero__lead {
  max-width: 36em;
  margin-bottom: 2rem;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.9;
  opacity: 0.95;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.45s forwards;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.6s forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroZoom {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

/* Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-red);
  color: var(--color-white);
}

.btn--primary:hover {
  background: #951f18;
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--color-white);
  background: transparent;
}

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

.btn--outline {
  border-color: var(--color-black);
  background: transparent;
  color: var(--color-black);
}

.btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--blue {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn--blue:hover {
  background: #0f4b5e;
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Sections
   ========================================================= */

.section {
  padding: var(--space-7) 0;
}

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

.section--dark {
  background: var(--color-black);
  color: var(--color-white);
}

.section__head {
  margin-bottom: var(--space-5);
}

.section__eyebrow {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--color-blue);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section--dark .section__eyebrow {
  color: #7eb6c7;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
}

.section__lead {
  max-width: 40em;
  margin-top: 1.25rem;
  color: var(--color-muted);
  font-size: 1.02rem;
}

.section--dark .section__lead {
  color: rgba(255, 255, 255, 0.78);
}

.page-hero {
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, #efefeb 0%, var(--color-bg) 100%);
}

.page-hero__title {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
}

.page-hero__lead {
  max-width: 38em;
  margin-top: 1rem;
  color: var(--color-muted);
}

/* Split layout
   ========================================================= */

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.split--reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.split--reverse .split__media {
  order: 2;
}

.split__media {
  overflow: hidden;
}

.split__media img,
.media-frame img {
  width: 100%;
  display: block;
  transition: transform 0.7s var(--ease);
}

.split__media:hover img,
.media-frame:hover img {
  transform: scale(1.03);
}

.split__body .section__title {
  margin-bottom: 1.25rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--color-blue);
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

.text-link::after {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  transition: width 0.25s var(--ease);
}

.text-link:hover::after {
  width: 2.25rem;
}

/* Service
   ========================================================= */

.service-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 1.25rem;
}

.service-card {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.service-card:hover {
  border-color: #cfcfc8;
  transform: translateY(-2px);
}

.service-card--featured {
  grid-row: span 3;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 0;
  overflow: hidden;
}

.service-card__image {
  overflow: hidden;
  min-height: 240px;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 240px;
  transition: transform 0.7s var(--ease);
}

.service-card--featured:hover .service-card__image img {
  transform: scale(1.04);
}

.service-card__body {
  padding: 2rem 1.75rem 2.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__num {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--color-red);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
}

.service-card--featured .service-card__num {
  color: var(--color-blue);
}

.service-card__title {
  margin-bottom: 0.85rem;
  font-size: 1.35rem;
}

.service-card--featured .service-card__title {
  font-size: 1.7rem;
}

.service-card__text {
  color: var(--color-muted);
  flex: 1;
}

.service-side {
  display: grid;
  gap: 1.25rem;
}

.service-side--trio {
  grid-template-columns: repeat(3, 1fr);
  max-width: 920px;
  margin: 0 auto;
}

.service-feature-block {
  max-width: 920px;
  margin: 0 auto 2rem;
}

/* Why
   ========================================================= */

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

.why-item__num {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-red);
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  font-size: 0.9rem;
}

.why-item__title {
  margin-bottom: 0.85rem;
  font-size: 1.35rem;
}

.why-item__text {
  color: rgba(255, 255, 255, 0.78);
}

/* Property CTA
   ========================================================= */

.property-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--color-white);
  border: 1px solid var(--color-line);
}

.property-panel--preparing {
  grid-template-columns: 1fr;
}

.property-panel__note {
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.property-status {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.85rem;
  background: var(--color-soft);
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}


/* News
   ========================================================= */

.news-list {
  border-top: 1px solid var(--color-line);
}

.news-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-line);
  transition: color 0.25s var(--ease);
}

.news-item:hover {
  color: var(--color-blue);
}

.news-item__date {
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}

.news-item__title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1rem;
}

.news-article {
  max-width: 760px;
}

.news-article__date {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
}

.news-article__title {
  margin-bottom: 2rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
}

.news-article__body {
  font-size: 1.02rem;
}

.news-article__body p {
  margin-bottom: 1.35em;
}

/* Area
   ========================================================= */

.area {
  position: relative;
  min-height: 520px;
  display: grid;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}

.area__media {
  position: absolute;
  inset: 0;
}

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

.area__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17, 17, 17, 0.72) 0%, rgba(17, 17, 17, 0.35) 70%);
}

.area__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--container));
  margin: 0 auto;
  padding: 5rem 0;
}

.area__content .section__title {
  margin-bottom: 1.25rem;
}

.area__content p {
  max-width: 32em;
  color: rgba(255, 255, 255, 0.88);
}

/* Company table
   ========================================================= */

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 9rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.map-placeholder {
  margin-top: 2rem;
  padding: 3rem 1.5rem;
  background: var(--color-soft);
  border: 1px dashed #c8c8c0;
  text-align: center;
  color: var(--color-muted);
}

.map-embed {
  margin-top: 2rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-soft);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Contact teaser / form
   ========================================================= */

.contact-teaser {
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 2rem;
  align-items: end;
}

.contact-form {
  max-width: 720px;
}

.form-row {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.req {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.4rem;
  background: rgba(179, 38, 30, 0.08);
  color: var(--color-red);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.opt {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.1rem 0.4rem;
  background: var(--color-soft);
  color: var(--color-muted);
  font-size: 0.72rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  transition: border-color 0.2s var(--ease);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 180px;
}

.form-actions {
  margin-top: 1.75rem;
}

.form-note {
  margin-top: 1.25rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.form-message {
  margin-bottom: 1.5rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--color-line);
}

.form-message--success {
  background: #edf6f8;
  border-color: #b7d5de;
}

.form-message--error {
  background: #fbf0ef;
  border-color: #e5b6b2;
}

.form-message ul {
  margin-top: 0.5rem;
  padding-left: 1.2rem;
  list-style: disc;
}

/* Message page
   ========================================================= */

.profile-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

.portrait-placeholder {
  aspect-ratio: 3 / 4;
  display: grid;
  place-items: center;
  background: var(--color-soft);
  border: 1px dashed #c8c8c0;
  color: var(--color-muted);
  text-align: center;
  padding: 1rem;
}

.profile-box {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-line);
}

.profile-box h3 {
  margin-bottom: 1rem;
  font-size: 1.15rem;
}

/* Footer
   ========================================================= */

.site-footer {
  background: #0d0d0d;
  color: rgba(255, 255, 255, 0.82);
  padding-top: 4rem;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.site-footer__catch {
  margin: 1.25rem 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: #fff;
}

.site-footer__meta {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  line-height: 1.9;
}

.site-footer__nav ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.5rem;
}

.site-footer__nav a {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
}

/* Reveal
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* Utilities
   ========================================================= */

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.text-muted { color: var(--color-muted); }
.stack > * + * { margin-top: 1em; }

/* Responsive
   ========================================================= */

@media (max-width: 960px) {
  .split,
  .split--reverse,
  .service-grid,
  .why-grid,
  .property-panel,
  .contact-teaser,
  .site-footer__inner,
  .profile-layout {
    grid-template-columns: 1fr;
  }

  .split--reverse .split__media {
    order: 0;
  }

  .service-card--featured {
    grid-row: auto;
  }

  .service-side,
  .service-side--trio {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-block;
  }

  .global-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 120;
    width: min(82vw, 320px);
    height: 100vh;
    padding: 5rem 1.5rem 2rem;
    background: var(--color-white);
    transform: translateX(105%);
    transition: transform 0.35s var(--ease);
    box-shadow: var(--shadow-soft);
  }

  .global-nav.is-open {
    transform: translateX(0);
  }

  .global-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .global-nav__link {
    padding: 0.9rem 0.4rem;
    font-size: 1rem;
  }

  .global-nav__link--cta {
    margin: 1rem 0 0;
    justify-content: center;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 110;
    background: rgba(17, 17, 17, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
  }

  .nav-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .nav-toggle__bar:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
  }

  body.nav-open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle__bar:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4.5rem 0;
  }

  .hero {
    min-height: 86vh;
  }

  .hero__content {
    padding: 4rem 0 3.25rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 0.35rem 0;
  }

  .company-table th {
    padding-top: 1.1rem;
  }

  .company-table tr {
    border-bottom: 1px solid var(--color-line);
  }

  .company-table th,
  .company-table td {
    border-bottom: 0;
  }

  .area {
    min-height: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__media img {
    transform: none;
  }

  .hero__brand,
  .hero__title,
  .hero__lead,
  .hero__actions {
    opacity: 1;
  }
}