/* ============================================================
   THE SALON by HOGUGU — Column page
   ============================================================ */
:root {
  --bg-page: #eeeeee;
  --bg-white: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --yellow: #ffed4f;
  --green: #99ff7c;
  --dark: #333333;
  --line: rgba(0, 0, 0, 0.12);

  --font: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;

  --pad-x: clamp(20px, 5vw, 96px);
  --header-h: 84px;
  --header-h-expanded: 216px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
p {
  margin: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

svg {
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

main {
  padding-top: var(--header-h-expanded);
}

.section-tag {
  font-size: 14px;
  font-weight: 700;
}

.section-title {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-page);
  transition: background .3s ease, box-shadow .3s ease;
}

.site-header__top {
  max-width: 1600px;
  margin: 0 auto;
  padding: 28px var(--pad-x) 0;
}

.site-header__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.breadcrumb {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 24px;
}

.breadcrumb a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-header__logo {
  flex: none;
  display: flex;
}

.header-logo-img {
  width: 160px;
  height: auto;
}

.site-header__cta {
  flex: none;
  padding: 14px 22px;
  font-size: 12.5px;
  line-height: 1.5;
  text-align: left;
  transition: background-color .3s ease, color .3s ease;
}

.btn.site-header__cta {
  border: 5px solid var(--ink);
}

.site-header__cta:hover {
  background: var(--ink);
  color: #fff;
}

.site-header__cta .round-arrow {
  position: relative;
}

.site-header__cta .round-arrow img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity .3s ease;
}

.site-header__cta .round-arrow__hover {
  opacity: 0;
}

.site-header__cta:hover .round-arrow__default {
  opacity: 0;
}

.site-header__cta:hover .round-arrow__hover {
  opacity: 1;
}

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: clamp(16px, 2vw, 30px);
}

.site-header__nav a {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--ink);
  transition: opacity .2s ease;
}

.site-header__nav a:hover {
  opacity: .6;
}

.site-header__compact {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: var(--header-h);
}

.header-logo-img--compact {
  width: 120px;
}

.site-header__nav--compact {
  justify-content: flex-end;
  flex: 1;
}

.site-header__nav--compact a {
  color: #fff;
}

.site-header.is-scrolled {
  background: var(--dark);
  box-shadow: 0 2px 14px rgba(0, 0, 0, .15);
}

.site-header.is-scrolled .site-header__top {
  display: none;
}

.site-header.is-scrolled .site-header__compact {
  display: flex;
}

.hamburger {
  display: none;
  flex: none;
  width: 34px;
  height: 24px;
  border: none;
  background: transparent;
  padding: 0;
  position: absolute;
  top: 24px;
  right: var(--pad-x);
}

.hamburger span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ink);
  transition: background .3s ease;
}

.hamburger span:nth-child(1) {
  top: 2px;
}

.hamburger span:nth-child(2) {
  bottom: 2px;
}

.site-header.is-scrolled .hamburger {
  top: 50%;
  margin-top: -12px;
}

.site-header.is-scrolled .hamburger span {
  background: #fff;
}

/* ============================================================
   MOBILE MENU OVERLAY
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--dark);
  z-index: 200;
  padding: 28px var(--pad-x) 40px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s ease;
  overflow-y: auto;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__close {
  align-self: flex-end;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu__close svg {
  width: 24px;
  height: 24px;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 26px;
  margin-top: 24px;
}

.mobile-menu__nav a {
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.mobile-menu__cta {
  width: 330px;
  margin: 36px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

/* ============================================================
   SHARED BUTTON / ARROW HELPERS
   ============================================================ */
.round-arrow {
  flex: none;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.round-arrow img {
  width: 100%;
  height: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: 15px;
  padding: 16px 28px;
  border-radius: 999px;
}

.btn--pill {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

/* ============================================================
   COLUMN LIST
   ============================================================ */
.column-list {
  padding: 40px 0 100px;
}

.column-list__head {
  position: relative;
  padding-left: 24px;
  margin-bottom: 40px;
}

.column-list__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--ink);
}

.column-list__head .section-tag {
  display: block;
  margin-bottom: 6px;
}

.column-list__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.filter-tag.is-active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.filter-tag:not(.is-active):hover {
  border-color: var(--ink);
}

.column-list__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
  margin-bottom: 56px;
}

.column-card {
  display: block;
}

.column-card__img {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 37/25;
  margin-bottom: 16px;
}

.column-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.column-card:hover .column-card__img img {
  transform: scale(1.06);
}

.column-card__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--ink);
}

.column-card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.column-list__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.page-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background .2s ease, color .2s ease;
}

.page-arrow:hover {
  background: var(--ink);
  color: #fff;
}

.page-arrow svg {
  width: 16px;
  height: 16px;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  background: #fff;
  color: var(--ink);
}

.page-num.is-active {
  background: var(--yellow);
}

.page-dots {
  padding: 0 4px;
  color: var(--ink-soft);
  font-weight: 700;
}

/* ============================================================
   COLUMN ARTICLE (single post)
   ============================================================ */
.column-article {
  padding: 40px 0 100px;
}

.column-article__hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 56px;
}

.column-article__intro {
  flex: 1;
  min-width: 0;
  padding-top: 16px;
}

.column-article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.column-article__title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  line-height: 1.5;
}

.column-article__img {
  flex: none;
  width: 400px;
  aspect-ratio: 400/258;
  border-radius: 20px;
  overflow: hidden;
}

.column-article__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-article__body {
  max-width: 800px;
  margin: 0 auto;
}

.column-article__body p {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

.column-article__bar {
  background: var(--ink);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 22px 28px;
  border-radius: 4px;
  margin: 40px 0;
}

.page-column,
.single-column {
  background: #eeeeee;
}

.single-column .column-article__body h2 {
  background: var(--ink);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 22px 28px;
  border-radius: 4px;
  margin: 40px 0;
}

.column-article__subtitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 16px;
  margin: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.single-column .column-article__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 16px;
  margin: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.column-article__back {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  margin: 64px 0;
}

.column-article__related {
  max-width: 800px;
  margin: 40px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.column-article__related-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.related-card__img {
  width: 80px;
  flex: none;
  aspect-ratio: 1/1;
  border-radius: 10px;
  overflow: hidden;
}

.related-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-card__body h4 {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 8px;
}

.related-card__body span {
  font-size: 12px;
  color: var(--ink-soft);
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact {
  padding: 40px 0 100px;
}

.contact__intro {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  margin: 60px 0 40px;
}

.contact-form {
  max-width: 900px;
  margin: 0 auto;
}

.contact-form__bar {
  background: var(--ink);
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
  padding: 18px;
  border-radius: 4px;
  margin: 32px 0;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px 0;
}

.contact-form__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  padding-top: 12px;
}

.badge-required {
  flex: none;
  background: #ef5b3c;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 6px;
  border-radius: 3px;
  line-height: 1;
}

.label-note {
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-soft);
}

.contact-form__radios {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 12px;
}

.radio {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  cursor: pointer;
}

.radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio__dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  flex: none;
  position: relative;
}

.radio input:checked+.radio__dot::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--ink);
}

.contact-form__checkboxes {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 12px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  cursor: pointer;
}

.checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox__box {
  width: 22px;
  height: 22px;
  border-radius: 3px;
  border: 1.5px solid var(--ink);
  flex: none;
  position: relative;
}

.checkbox input:checked+.checkbox__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.contact-form__textarea,
.contact-form__input {
  width: 100%;
  border: 1.5px solid var(--ink);
  border-radius: 4px;
  padding: 16px;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 180px;
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: #bbb;
}

.contact-form__note {
  text-align: center;
  font-size: 13px;
  margin: 24px 0 40px;
}

.contact-form__note a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  background: #fff;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 22px;
  font-weight: 700;
  font-size: 16px;
  transition: background .2s ease, color .2s ease;
}

.contact-form__submit:hover {
  background: var(--ink);
  color: #fff;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  text-align: center;
}

.site-footer__top {
  background: var(--bg-page);
  padding: 34px 0;
}

.site-footer__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 24px;
  font-size: 13px;
  font-weight: 700;
}

.site-footer__nav a {
  color: var(--ink);
}

.site-footer__nav a:hover {
  opacity: .6;
}

.back-to-top {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .25s ease;
}

.back-to-top:hover {
  background: var(--ink-soft);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

.site-footer__bottom {
  position: relative;
  background-image: url('../assets/img/footer.svg');
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 120% auto;
  aspect-ratio: 1572 / 166;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--pad-x);
}

.site-footer__copy {
  position: relative;
  font-size: 12px;
  color: var(--ink);
  font-weight: 600;
}

.back-to-top--mobile {
  display: none;
  position: absolute;
  right: var(--pad-x);
  top: 50%;
  transform: translateY(-50%);
}

/* ============================================================
   MOBILE (<= 900px)
   ============================================================ */
@media (max-width:900px) {
  :root {
    --header-h: 64px;
    --header-h-expanded: 64px;
  }

  .breadcrumb,
  .site-header__cta {
    display: none;
  }

  .site-header__top {
    padding: 14px 60px 0 20px;
  }

  .site-header__logo {
    justify-self: start;
  }

  .header-logo-img {
    width: 104px;
  }

  .site-header__nav {
    display: none;
  }

  .hamburger {
    display: block;
    top: 20px;
    right: 20px;
  }

  .site-header.is-scrolled .hamburger {
    top: 20px;
    margin-top: 0;
  }

  .site-header__nav--compact {
    display: none;
  }

  .header-logo-img--compact {
    width: 96px;
  }

  .site-footer__top {
    display: none;
  }

  .back-to-top--mobile {
    display: flex;
  }

  .site-footer__bottom {
    background-image: url('../assets/img/wave-footer.svg');
    background-size: 100% auto;
    aspect-ratio: 390 / 106;
    padding: 0 20px;
  }

  .btn {
    font-size: 13.5px;
    padding: 14px 20px;
    text-align: left;
  }

  .column-list {
    padding: 24px 0 60px;
  }

  .column-list__head {
    margin-bottom: 28px;
  }

  .column-list__filters {
    gap: 8px;
    margin-bottom: 32px;
  }

  .filter-tag {
    padding: 8px 16px;
    font-size: 13px;
  }

  .column-list__grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }

  .column-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
  }

  .column-card__img {
    width: 100px;
    flex: none;
    aspect-ratio: 1/1;
    border-radius: 12px;
    margin-bottom: 0;
  }

  .column-card__body {
    flex: 1;
    min-width: 0;
  }

  .column-card__title {
    font-size: 14px;
    margin-bottom: 8px;
  }

  .column-card__meta {
    font-size: 12px;
    gap: 10px;
  }

  .column-list__pagination {
    gap: 10px;
  }

  .page-arrow {
    width: 38px;
    height: 38px;
  }

  .page-num {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .column-article {
    padding: 24px 0 60px;
  }

  .column-article__hero {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
  }

  .column-article__intro {
    padding-top: 0;
  }

  .column-article__meta {
    margin-bottom: 12px;
  }

  .column-article__img {
    width: 100%;
    aspect-ratio: 335/220;
  }

  .column-article__body p {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .column-article__bar {
    font-size: 14px;
    padding: 16px 20px;
    margin: 28px 0;
  }

  .column-article__subtitle {
    font-size: 16px;
    margin: 32px 0 18px;
  }

  .column-article__back {
    margin: 40px 0;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact {
    padding: 24px 0 60px;
  }

  .contact__intro {
    text-align: left;
    font-size: 14px;
    margin: 28px 0 24px;
  }

  .contact-form__bar {
    font-size: 14px;
    padding: 14px;
    margin: 24px 0;
  }

  .contact-form__row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 0;
  }

  .contact-form__label {
    padding-top: 0;
  }

  .contact-form__radios {
    padding-top: 0;
    gap: 14px;
  }

  .contact-form__checkboxes {
    flex-direction: row;
    flex-wrap: wrap;
    padding-top: 0;
    gap: 16px 20px;
  }

  .contact-form__note {
    text-align: left;
    margin: 20px 0 32px;
  }

  .contact-form__submit {
    max-width: 100%;
    padding: 18px;
    font-size: 15px;
  }
}