/* =========================================================
   hibi works. Portfolio
   Design system
   #CFCFCB  Header / Logo
   #F5F4F1  Background
   #6F7C6B  Accent
   #333333  Text
========================================================= */

:root {
  --color-bg: #f5f4f1;
  --color-surface: #ffffff;
  --color-header: #cfcfcb;
  --color-accent: #6f7c6b;
  --color-accent-dark: #566252;
  --color-text: #333333;
  --color-muted: #777771;
  --color-border: #deded9;

  --font-ja: "Noto Sans JP", sans-serif;
  --font-display: "Playfair Display", serif;

  --container: 1120px;
  --header-height: 72px;
  --section-space: clamp(88px, 10vw, 144px);
  --radius: 2px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

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

button {
  cursor: pointer;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

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

.sp-only {
  display: none;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(207, 207, 203, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  width: min(calc(100% - 48px), 1240px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.logo span {
  font-style: italic;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 38px);
  margin-left: auto;
  margin-right: 30px;
}

.global-nav a {
  position: relative;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.global-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  width: 32px;
  height: 32px;
  padding: 5px;
  border: 0;
  background: transparent;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.menu-button span {
  display: block;
  width: 21px;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Hero ---------- */

.hero {
  min-height: min(760px, 100vh);
  padding-top: calc(var(--header-height) + 40px);
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(245,244,241,0.98) 0%, rgba(245,244,241,0.78) 35%, rgba(245,244,241,0.12) 72%),
    url("hero.png") center / cover no-repeat;
}

.hero-inner {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.hero-copy {
  max-width: 510px;
  padding-block: 80px;
}

.eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 5.3vw, 70px);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.hero-lead {
  margin: 30px 0 34px;
  font-size: 13px;
  line-height: 2.1;
}

.button {
  min-width: 190px;
  min-height: 52px;
  padding: 13px 20px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button span {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
}

.button--primary {
  color: #fff;
  background: var(--color-accent);
}

.button--primary:hover {
  background: var(--color-accent-dark);
}

.button--light {
  color: var(--color-text);
  background: #fff;
}

.button--light:hover {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

/* ---------- Section heading ---------- */

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 58px;
}

.section-number {
  margin: 3px 0 0;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.section-label {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
  line-height: 1.2;
}

.section-heading h2 {
  margin: 0;
  font-size: 25px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

/* ---------- About ---------- */

.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(400px, 1.1fr);
  gap: clamp(50px, 9vw, 120px);
  align-items: center;
}

.about-image {
  max-width: 430px;
  justify-self: center;
}

.image-placeholder {
  position: relative;
  overflow: hidden;
  background: #e8e6df;
}

.image-placeholder::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(51, 51, 51, 0.38);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.image-placeholder--portrait {
  aspect-ratio: 0.82;
}

.image-placeholder--wide {
  aspect-ratio: 2.2;
}

.about-greeting {
  margin: 0 0 28px;
  font-size: 18px;
  line-height: 2;
}

.about-content > p:not(.about-greeting) {
  margin: 0 0 20px;
  color: #555;
  font-size: 13px;
}

.profile-list {
  max-width: 450px;
  margin: 36px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
}

.profile-list div {
  display: grid;
  grid-template-columns: 125px 1fr;
  padding: 6px 0;
  font-size: 12px;
}

.profile-list dt {
  font-family: var(--font-display);
  color: var(--color-muted);
}

.profile-list dd {
  margin: 0;
}

.about-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 60px;
  align-items: center;
  margin-top: 100px;
}

.about-bottom p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.8;
}

.about-bottom p span {
  font-family: var(--font-ja);
  font-size: 11px;
  color: var(--color-muted);
}

/* ---------- Works ---------- */

.works {
  background: var(--color-bg);
}

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 42px;
}

.filter-button {
  position: relative;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.filter-button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.filter-button.is-active {
  color: var(--color-text);
}

.filter-button.is-active::after,
.filter-button:hover::after {
  transform: scaleX(1);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 62px 34px;
}

.work-card {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.work-card.is-hidden {
  display: none;
}

.work-card__link {
  display: block;
}

.work-image {
  aspect-ratio: 1.62;
  transition: transform 0.5s ease;
}

.work-card__link:hover .work-image {
  transform: scale(1.012);
}

.work-meta {
  padding-top: 16px;
}

.work-meta h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.work-meta p {
  margin: 3px 0 0;
  color: var(--color-muted);
  font-size: 10px;
}

.section-more {
  margin-top: 58px;
  text-align: right;
}

.text-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.text-link span {
  font-family: var(--font-display);
  font-size: 16px;
  transition: transform var(--transition);
}

.text-link:hover span {
  transform: translateX(5px);
}

/* ---------- Service ---------- */

.service {
  background: #fff;
}

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

.service-item {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 40px;
  gap: 28px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-icon {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 13px;
}

.service-item h3 {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 500;
}

.service-item p {
  max-width: 650px;
  margin: 0;
  color: var(--color-muted);
  font-size: 11px;
}

.service-arrow {
  font-family: var(--font-display);
  font-size: 20px;
  transition: transform var(--transition);
}

.service-item:hover .service-arrow {
  transform: translateX(6px);
}

/* ---------- CTA ---------- */

.cta {
  padding: 120px 0;
  background:
    linear-gradient(rgba(55,62,52,0.72), rgba(55,62,52,0.72)),
    url("cta.svg") center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-kicker {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 12px;
  font-style: italic;
}

.cta h2 {
  margin: 0 0 34px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

/* ---------- Contact ---------- */

.contact {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(50px, 10vw, 130px);
}

.contact-title {
  margin: 0 0 22px;
  font-size: 18px;
  line-height: 2;
}

.contact-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.9;
}

.contact-form {
  padding: 40px;
  background: #fff;
}

.form-field {
  margin-bottom: 25px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
}

.form-field label span {
  color: var(--color-accent);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 0;
  outline: 0;
  background: #fff;
  color: var(--color-text);
  padding: 13px 14px;
  font-size: 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input,
.form-field select {
  min-height: 48px;
}

.form-field textarea {
  resize: vertical;
  min-height: 150px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #aaa;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(111, 124, 107, 0.08);
}

.privacy-check {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 2px 0 27px;
  font-size: 10px;
  color: var(--color-muted);
}

.privacy-check input {
  width: 14px;
  height: 14px;
  accent-color: var(--color-accent);
}

.button--submit {
  width: 100%;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 28px 0;
  background: var(--color-header);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.04em;
}

/* ---------- Tablet ---------- */

@media (max-width: 900px) {
  .container,
  .hero-inner {
    width: min(calc(100% - 40px), var(--container));
  }

  .global-nav {
    gap: 20px;
    margin-right: 20px;
  }

  .about-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 50px;
  }

  .about-bottom {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .about-bottom p {
    text-align: right;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .contact-intro {
    max-width: 600px;
  }
}

/* ---------- Mobile ---------- */

@media (max-width: 700px) {
  :root {
    --header-height: 64px;
    --section-space: 84px;
  }

  body {
    font-size: 13px;
  }

  .container,
  .hero-inner {
    width: calc(100% - 40px);
  }

  .sp-only {
    display: block;
  }

  .global-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0;
    padding: 20px 20px 30px;
    background: rgba(245,244,241,0.98);
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  }

  .global-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .global-nav a {
    width: 100%;
    padding: 13px 0;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
  }

  .global-nav a::after {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .menu-button.is-open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .menu-button.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-button.is-open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero {
    min-height: 650px;
    align-items: end;
    padding-top: var(--header-height);
    background:
      linear-gradient(0deg, rgba(245,244,241,0.98) 0%, rgba(245,244,241,0.8) 36%, rgba(245,244,241,0.08) 76%),
      url("assets/hero.svg") 62% center / cover no-repeat;
  }

  .hero-inner {
    padding-bottom: 54px;
  }

  .hero-copy {
    padding: 0;
  }

  .eyebrow {
    margin-bottom: 12px;
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(37px, 11vw, 52px);
    line-height: 1.32;
  }

  .hero-lead {
    margin: 20px 0 25px;
    font-size: 11px;
  }

  .button {
    min-width: 170px;
    min-height: 48px;
  }

  .section-heading {
    gap: 16px;
    margin-bottom: 40px;
  }

  .section-number {
    font-size: 10px;
  }

  .section-label {
    font-size: 14px;
  }

  .section-heading h2 {
    font-size: 21px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .about-image {
    width: min(70%, 300px);
    justify-self: start;
  }

  .about-greeting {
    font-size: 16px;
    line-height: 1.9;
  }

  .about-content > p:not(.about-greeting) {
    font-size: 12px;
  }

  .profile-list {
    margin-top: 30px;
  }

  .profile-list div {
    grid-template-columns: 105px 1fr;
    font-size: 11px;
  }

  .about-bottom {
    margin-top: 60px;
  }

  .about-bottom p {
    text-align: left;
    font-size: 15px;
  }

  .filter-list {
    gap: 8px 16px;
    margin-bottom: 30px;
  }

  .filter-button {
    font-size: 10px;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .work-meta {
    padding-top: 12px;
  }

  .work-meta h3 {
    font-size: 12px;
  }

  .section-more {
    margin-top: 42px;
  }

  .service-item {
    grid-template-columns: 38px minmax(0, 1fr) 20px;
    gap: 13px;
    padding: 22px 0;
  }

  .service-icon {
    font-size: 11px;
  }

  .service-item h3 {
    font-size: 13px;
    margin-bottom: 5px;
  }

  .service-item p {
    font-size: 10px;
    line-height: 1.8;
  }

  .service-arrow {
    font-size: 16px;
  }

  .cta {
    padding: 90px 0;
  }

  .cta h2 {
    font-size: 23px;
    line-height: 1.8;
  }

  .contact-grid {
    gap: 35px;
  }

  .contact-title {
    font-size: 16px;
  }

  .contact-form {
    padding: 25px 20px;
  }

  .site-footer {
    padding: 24px 0;
  }
}

@media (max-width: 390px) {
  .container,
  .hero-inner {
    width: calc(100% - 32px);
  }

  .hero h1 {
    font-size: 35px;
  }

  .contact-form {
    padding-inline: 16px;
  }
}

/* Typography refinement */
body {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #333333;
  line-height: 1.8;
}

h1,
h2,
h3 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.hero h1 {
  font-weight: 500;
  letter-spacing: 0.06em;
}

.hero-lead,
.about-content > p,
.service-item p,
.contact-note {
  font-weight: 400;
  letter-spacing: 0.015em;
  line-height: 1.9;
}

.global-nav {
  font-weight: 500;
  letter-spacing: 0.04em;
}

.section-label,
.eyebrow {
  font-family: "Playfair Display", serif;
  letter-spacing: 0.12em;
}

/* Logo: clean and professional */
.logo {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.01em;
  font-style: normal;
  color: #333333;
}

.logo span {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.01em;
}