/* ===== Tokens ===== */
:root {
  --color-text: #6e6767;
  --color-text-strong: #372d32;
  --color-bg: #ffffff;
  --color-bg-alt: #f2f2f2;
  --color-border: #d9d9d9;
  --color-line: #d2d2d2;
  --serif-ja: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --serif-en: "Cinzel", "Noto Serif JP", serif;
  --container: 1200px;
  --pad-x-desktop: 140px;
  --pad-x-mobile: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--serif-ja);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.75;
  letter-spacing: 0.02em;
  font-weight: 400;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  max-width: none;
  padding: 0 60px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.logo { display: inline-flex; flex-direction: column; gap: 2px; }
.logo__en {
  font-family: var(--serif-en);
  font-size: 20px;
  letter-spacing: 0.25em;
  color: var(--color-text);
  line-height: 1.3;
}
.logo__ja {
  font-family: var(--serif-ja);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--color-text);
  line-height: 1.5;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.nav__ja {
  font-family: var(--serif-ja);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--color-text);
}
.nav__en {
  font-family: var(--serif-en);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--color-text);
  opacity: 0.7;
}
.nav__cta {
  background: var(--color-text-strong);
  color: #fff;
  padding: 12px 24px;
  font-family: var(--serif-ja);
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: opacity .2s;
}
.nav__cta:hover { opacity: 0.85; }

.hamburger {
  display: none;
  width: 28px;
  height: 28px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text-strong);
  transition: transform .3s, opacity .3s;
}

/* SP nav overlay */
.sp-nav {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: #fff;
  z-index: 40;
  padding: 24px;
}
.sp-nav.is-open { display: block; }
.sp-nav ul { display: flex; flex-direction: column; gap: 8px; }
.sp-nav li a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--serif-ja);
  font-size: 16px;
  letter-spacing: 0.1em;
}
.sp-nav li a small {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.6;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  width: 100%;
  height: 620px;
  background: url("../img/hero_bg.webp") center/cover no-repeat;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}
.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.hero__title {
  font-family: var(--serif-en);
  font-size: 44px;
  letter-spacing: 0.3em;
  font-weight: 400;
  margin: 0;
  line-height: 1.2;
}
.hero__divider {
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.6);
}
.hero__lead {
  font-family: var(--serif-ja);
  font-size: 30px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin: 0;
}
.hero__entry {
  position: absolute;
  right: 40px;
  bottom: 32px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--color-text);
  width: 155px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-ja);
  font-size: 14px;
  letter-spacing: 0.05em;
  transition: background .2s;
  z-index: 2;
}
.hero__entry:hover { background: rgba(255, 255, 255, 0.85); }

/* Hero fade-in (staggered on load) */
.hero__fade {
  opacity: 0;
  transform: translateY(16px);
  animation: heroFadeIn 0.8s ease-out forwards;
}
.hero__fade--1 { animation-delay: 0.05s; }
.hero__fade--2 { animation-delay: 0.35s; }
.hero__fade--3 { animation-delay: 0.55s; }
.hero__fade--4 { animation-delay: 0.9s; }
@keyframes heroFadeIn {
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__fade { opacity: 1; transform: none; animation: none; }
}

/* ===== Section head ===== */
.section-head--center {
  text-align: center;
  margin-bottom: 60px;
}
.section-head__ja {
  font-family: var(--serif-ja);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin: 0 0 8px;
  line-height: 1.3;
}
.section-head__ja--large {
  font-size: 38px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  margin: 0;
}
.section-head__en {
  display: inline-block;
  font-family: var(--serif-en);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-text);
}
.section-head--left {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  flex: 0 0 340px;
}
.section-head__accent {
  display: inline-block;
  width: 56px;
  height: 1px;
  background: rgba(110, 103, 103, 0.6);
  margin-top: 8px;
}

/* ===== Service ===== */
.service {
  padding: 120px var(--pad-x-desktop);
  background: #fff;
}
.service__grid {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.service-card {
  border: 1px solid var(--color-text-strong);
  padding: 33px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}
.service-card__head {
  font-family: var(--serif-ja);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.3em;
  text-align: center;
  color: var(--color-text-strong);
  margin: 0;
}
.service-card__body {
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.04em;
  color: var(--color-text-strong);
  text-align: center;
  margin: 0;
}
.service__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service__row .service-card { height: 100%; }

/* Service card with side image (不動産登記 / 商業登記) */
.service-card--media {
  flex-direction: row;
  align-items: stretch;
  text-align: left;
  padding: 0;
  gap: 0;
  overflow: hidden;
  height: 253px;
}
.service-card__media {
  flex: 0 0 360px;
  height: 100%;
  overflow: hidden;
}
.service-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.service-card__media--top img {
  object-position: center 17%;
}
.service-card__content {
  flex: 1;
  min-width: 0;
  padding: 33px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.service-card__head--left {
  text-align: left;
}
.service-card__body--left {
  text-align: left;
}

/* ===== Reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease-out, transform 0.9s ease-out;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Office ===== */
.office {
  padding: 140px var(--pad-x-desktop);
  background: var(--color-bg-alt);
}
.office__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  gap: 80px;
  align-items: flex-start;
}
.office__body {
  flex: 1;
}
.office__sub {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 28px;
}
.office__name {
  font-family: var(--serif-ja);
  font-size: 24px;
  letter-spacing: 0.05em;
  margin: 0;
  line-height: 1.3;
}
.office__roman {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  margin: 0;
  line-height: 1.3;
}
.office__list {
  margin: 0;
}
.office__row {
  display: flex;
  gap: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
}
.office__row:last-of-type { border-bottom: 1px solid var(--color-line); }
.office__row dt {
  flex: 0 0 120px;
  font-family: var(--serif-ja);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.03em;
  line-height: 1.8;
}
.office__row dd {
  margin: 0;
  flex: 1;
  font-family: var(--serif-ja);
  font-size: 17px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}
.office__row dd a { text-decoration: underline; }
/* 複数オフィス（千葉オフィス 準備中など）の間隔 */
.office__sub--gap { margin-top: 56px; }

/* ===== Recruit (募集要項ページ) ===== */
.hero--recruit {
  background-image: url("../img/recruit_hero.webp");
}
.recruit {
  padding: 140px var(--pad-x-desktop);
  background: #fff;
}
.recruit__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  gap: 80px;
  align-items: flex-start;
}
.recruit__body {
  flex: 1;
  min-width: 0;
}
.recruit__list { margin: 0; }

/* ===== Entry ===== */
.entry {
  background: #fff;
  padding: 0;
}
.entry__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 580px;
}
.entry__content {
  padding: 120px 60px 120px max(var(--pad-x-desktop), calc((100vw - var(--container)) / 2));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  align-items: flex-start;
  text-align: left;
}
.entry__title {
  font-family: var(--serif-ja);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}
.entry__lead {
  font-size: 17px;
  line-height: 1.9;
  margin: 0;
}
.entry__media {
  overflow: hidden;
  background: #f3f0ed;
}
.entry__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.entry__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 294px;
  height: 64px;
  border: 1px solid var(--color-text-strong);
  color: var(--color-text-strong);
  font-family: var(--serif-ja);
  font-size: 16px;
  letter-spacing: 0.18em;
  padding: 0 24px;
  transition: background .2s, color .2s;
}
.entry__button:hover { background: var(--color-text-strong); color: #fff; }

/* ===== Privacy Policy ===== */
.policy {
  padding: 100px var(--pad-x-desktop) 120px;
  background: #fff;
}
.policy__inner {
  max-width: 860px;
  margin: 0 auto;
}
.policy__head {
  margin-bottom: 56px;
}
.policy__intro {
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.03em;
  margin: 0 0 48px;
}
.policy__block {
  margin-bottom: 40px;
}
.policy__block h2 {
  font-family: var(--serif-ja);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: 0.05em;
  color: var(--color-text-strong);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}
.policy__block p {
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.03em;
  margin: 0 0 10px;
}
.policy__items {
  list-style: disc;
  padding-left: 1.4em;
  margin: 4px 0 0;
}
.policy__items li {
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}
.policy__contact {
  margin-top: 4px;
}
.policy__contact a { text-decoration: underline; }
.policy__date {
  margin-top: 56px;
  text-align: right;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(110, 103, 103, 0.85);
}

/* ===== Footer ===== */
.site-footer {
  padding: 32px 24px;
  background: var(--color-text-strong);
  color: rgba(255, 255, 255, 0.9);
}
.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.site-footer__link {
  font-family: var(--serif-ja);
  font-size: 13px;
  letter-spacing: 0.05em;
}
.site-footer__link:hover { text-decoration: underline; }
.site-footer__copy {
  font-family: var(--serif-en);
  font-size: 10px;
  letter-spacing: 0.15em;
  margin: 0;
  opacity: 0.7;
}

/* ===== SP ===== */
@media (max-width: 960px) {
  .nav { display: none; }
  .hamburger { display: flex; }

  .site-header__inner {
    padding: 0 20px;
    height: 60px;
  }
  .logo__en { font-size: 16px; letter-spacing: 0.22em; }
  .logo__ja { font-size: 10px; }

  .hero {
    height: 560px;
  }
  .hero__title { font-size: 28px; letter-spacing: 0.4em; }
  .hero__lead { font-size: 18px; letter-spacing: 0.08em; }
  .hero__divider { width: 40px; }
  .hero__entry {
    right: 16px;
    bottom: 20px;
    width: 124px;
    height: 36px;
    font-size: 11px;
  }

  .service { padding: 80px var(--pad-x-mobile); }
  .service__row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .service-card {
    padding: 28px 24px;
    gap: 16px;
    align-items: flex-start;
    text-align: left;
  }
  .service-card__head {
    font-size: 20px;
    letter-spacing: 0.25em;
    text-align: left;
  }
  .service-card__body { font-size: 13px; text-align: left; }

  .service-card--media {
    flex-direction: column;
    padding: 0;
    gap: 0;
    height: auto;
  }
  .service-card__media {
    flex: 0 0 auto;
    height: 200px;
    width: 100%;
  }
  .service-card__content { padding: 28px 24px; gap: 16px; }
  .service-card__head--left { letter-spacing: 0.2em; }

  .office {
    padding: 72px var(--pad-x-mobile);
  }
  .office__inner {
    flex-direction: column;
    align-items: center;
    gap: 32px;
    text-align: center;
  }
  .section-head--left {
    flex: initial;
    align-items: center;
    text-align: center;
  }
  .section-head__ja--large { font-size: 26px; letter-spacing: 0.1em; }
  .section-head__accent { margin: 4px auto 0; width: 40px; }
  .office__body { width: 100%; }
  .office__sub {
    align-items: center;
    gap: 4px;
  }
  .office__name { font-size: 20px; }
  .office__roman { font-size: 10px; }
  .office__row {
    flex-direction: column;
    gap: 4px;
    padding: 18px 0;
    text-align: left;
  }
  .office__row dt {
    flex: initial;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: rgba(110, 103, 103, 0.75);
    line-height: 1.5;
  }
  .office__row dd { font-size: 15px; line-height: 1.7; letter-spacing: 0.03em; }
  .office__sub--gap { margin-top: 40px; }

  .recruit { padding: 72px var(--pad-x-mobile); }
  .recruit__inner {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }
  .recruit__body { width: 100%; }

  .policy { padding: 64px var(--pad-x-mobile) 80px; }
  .policy__head { margin-bottom: 40px; }
  .policy__block h2 { font-size: 17px; }
  .policy__contact { font-size: 14px; }

  .entry { padding: 0; }
  .entry__inner {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .entry__content {
    padding: 72px var(--pad-x-mobile);
    gap: 24px;
    align-items: center;
    text-align: center;
  }
  .entry__title { font-size: 24px; letter-spacing: 0.15em; }
  .entry__lead { font-size: 14px; line-height: 2; }
  .entry__media { min-height: 240px; }
  .entry__button { min-width: 240px; height: 56px; font-size: 14px; letter-spacing: 0.2em; }
  .section-head__ja { font-size: 24px; letter-spacing: 0.15em; }
  .section-head__en { font-size: 11px; letter-spacing: 0.3em; }
}