@charset "UTF-8";

:root {
  --color-bg: #f8f7f3;
  --color-text: #171717;
  --color-muted: #6f6a61;
  --color-line: #d8d4c8;
  --color-line-strong: #171717;
  --color-accent: #2c4a6e;
  --font-en: "Inter", sans-serif;
  --font-ja: "Noto Sans JP", sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-line: cubic-bezier(0.77, 0, 0.175, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--color-text);
  font-family: var(--font-ja);
  font-feature-settings: "palt";
  line-height: 1.8;
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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

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

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

.l-main {
  padding-top: calc(72px + 16px);
}

.site-frame {
  position: fixed;
  inset: 16px;
  z-index: 100;
  pointer-events: none;
}

.site-frame::before,
.site-frame::after {
  content: "";
  position: absolute;
  background: var(--color-line);
}

.site-frame::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  animation: frameLineX 1.2s var(--ease-line) 0.2s forwards;
}

.site-frame::after {
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  animation: frameLineY 1.2s var(--ease-line) 0.5s forwards;
}

@keyframes frameLineX {
  to { transform: scaleX(1); }
}

@keyframes frameLineY {
  to { transform: scaleY(1); }
}

.l-header {
  position: fixed;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 90;
}

.l-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(20px, 4vw, 48px);
  border-bottom: 1px solid var(--color-line);
}

.site-logo {
  position: relative;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.site-logo::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--color-line-strong);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.site-logo:hover::after {
  transform: scaleX(1);
}

.global-nav__list {
  display: flex;
  gap: clamp(18px, 3vw, 40px);
}

.global-nav__item a {
  position: relative;
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.global-nav__item a::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--color-line-strong);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-out);
}

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

.global-nav__item a[aria-current="page"]::before {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
}

.hero__decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__guide-line {
  position: absolute;
  left: calc(50% - 0.5px);
  bottom: 32px;
  width: 1px;
  height: 72px;
  background: linear-gradient(to bottom, var(--color-muted), transparent);
  transform: scaleY(0);
  transform-origin: top;
}

body.is-loaded .hero__guide-line {
  animation: guideExtend 3s var(--ease-line) 1.4s infinite;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  min-height: 100svh;
  padding: 120px clamp(24px, 7vw, 120px) 100px;
}

.hero__label {
  margin: 0 0 24px;
  font-family: var(--font-en);
  font-size: clamp(11px, 1.2vw, 14px);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-muted);
}

.hero__content {
  max-width: 780px;
}

.hero__title {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(54px, 12vw, 168px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.js-title-char {
  display: inline-block;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(0.35em);
}

body.is-loaded .js-title-char {
  animation: titleFade 0.95s var(--ease-out) forwards;
}

.hero__text {
  max-width: 680px;
  margin: clamp(28px, 4vw, 56px) 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--color-muted);
  line-height: 1.9;
}

.js-fade-title {
  opacity: 0;
  transform: translateY(16px);
}

body.is-loaded .js-fade-title {
  animation: fadeUp 0.9s var(--ease-out) 0.6s forwards;
}


.section {
  position: relative;
  padding: clamp(100px, 14vw, 160px) clamp(24px, 6vw, 120px);
  --section-progress: 0;
}

.section::before,
.section::after {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 4vw, 48px);
}

.section::before {
  width: 40px;
  height: 1px;
  background: var(--color-line);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.85s var(--ease-line);
}

.section::after {
  width: 1px;
  height: calc(100% * var(--section-progress));
  background: var(--color-accent);
}

.section.is-inview::before {
  transform: scaleX(1);
}

.section__inner {
  max-width: 1240px;
  margin: 0 auto;
}

.section__inner--narrow {
  max-width: 840px;
}

.section-heading {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px;
  margin-bottom: 48px;
}

.section-heading::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-line-strong);
  transition: width 0.75s var(--ease-out);
}

.section.is-inview .section-heading::before {
  width: var(--section-line-width, 0px);
}

.section-heading__sub {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(14px, 1.2vw, 18px);
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--color-muted);
  line-height: 1;
}

.section-heading__title {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.section-cta {
  margin-top: 40px;
  text-align: center;
}

.work-card {
  position: relative;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.85);
  transition: border-color 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.work-card::before,
.work-card::after {
  content: "";
  position: absolute;
  background: var(--color-line-strong);
  transition: transform 0.35s var(--ease-out);
}

.work-card::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
}

.work-card::after {
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
}

.work-card:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-4px);
}

.work-card:hover::before,
.work-card:hover::after {
  transform: scale(1);
}

.work-card__link {
  display: block;
  color: inherit;
}

.work-card__graphic {
  position: relative;
  min-height: 220px;
  padding: 32px 28px 24px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.work-card__index {
  position: relative;
  z-index: 1;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-muted);
}

.work-card__line {
  position: absolute;
  background: var(--color-line);
  transition: transform 0.45s var(--ease-out);
}

.work-card__line--horizontal {
  top: 40px;
  left: 28px;
  width: 110px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
}

.work-card__line--vertical {
  top: 40px;
  left: 28px;
  width: 1px;
  height: 88px;
  transform: scaleY(0);
  transform-origin: top;
}

.work-card:hover .work-card__line--horizontal,
.work-card:hover .work-card__line--vertical {
  transform: scale(1);
}

.work-card__body {
  padding: 28px;
}

.work-card__category {
  margin: 0 0 10px;
  font-size: 12px;
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-muted);
}

.work-card__title {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.2;
}

.work-card__text {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.85;
}

.about-content {
  display: grid;
  gap: 24px;
}

.about-content p {
  max-width: 670px;
  margin: 0;
}

.skill-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 32px;
}

.skill-list li {
  font-size: 14px;
  color: var(--color-muted);
}

.contact-box {
  max-width: 720px;
  padding: 48px;
  border: 1px solid var(--color-line);
  display: grid;
  gap: 24px;
}

.contact-box__sub {
  margin: 0;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--color-muted);
}

.contact-box__title {
  margin: 0;
  font-size: clamp(32px, 3.5vw, 44px);
  line-height: 1.05;
}

.contact-box__text {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.9;
}

.line-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 32px;
  border: 1px solid var(--color-line-strong);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.line-button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-line-strong);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.line-button:hover::after {
  transform: scaleX(1);
}

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

.l-footer__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px clamp(24px, 6vw, 120px);
}

.l-footer__copy {
  margin: 0;
  font-size: 13px;
  color: var(--color-muted);
}

.js-reveal,
.js-scroll-section {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.js-reveal.is-inview,
.js-scroll-section.is-inview {
  opacity: 1;
  transform: translateY(0);
}

@keyframes titleFade {
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

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

@keyframes guideExtend {
  0%   { transform: scaleY(0); opacity: 1; }
  50%  { transform: scaleY(1); opacity: 1; }
  78%  { transform: scaleY(1); opacity: 0; }
  100% { transform: scaleY(0); opacity: 0; }
}

/* --- Work detail: プロジェクトメタ情報 --- */

.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 48px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.work-meta__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.work-meta__label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.work-meta__value {
  font-size: 14px;
  line-height: 1.6;
}

/* --- Work detail: ビジュアル（画像エリア） --- */

.work-visual {
  padding: clamp(24px, 4vw, 48px) clamp(24px, 6vw, 120px);
  border-bottom: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.4);
}

.work-visual__inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

/* WordPress化時: <img> に差し替え。src・alt のみ変更すれば見た目を維持 */
.work-visual__main,
.work-visual__sub-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-line);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-muted);
  overflow: hidden;
}

.work-visual__main {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.work-visual__sub {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.work-visual__sub-item {
  aspect-ratio: 16 / 9;
}

.work-visual__main img,
.work-visual__sub-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Work detail: コンテンツ本体 --- */

.work-content {
  padding: clamp(48px, 6vw, 80px) clamp(24px, 6vw, 120px) clamp(64px, 8vw, 100px);
}

.work-content .section__inner--narrow {
  display: grid;
  gap: clamp(40px, 5vw, 56px);
}

/* --- Work detail: 担当範囲リスト --- */

.work-scope-list {
  margin: 0;
  padding: 0;
}

.work-scope-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 14px;
}

.work-scope-list li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* --- Work detail: 前後ナビゲーション --- */

.work-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 28px clamp(24px, 6vw, 120px);
  border-top: 1px solid var(--color-line);
}

.work-nav__link {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  transition: color 0.3s var(--ease-out);
}

.work-nav__link:hover {
  color: var(--color-text);
}

.work-nav__link--next {
  text-align: right;
}

.work-nav__link[aria-disabled="true"] {
  opacity: 0.28;
  pointer-events: none;
  cursor: default;
}

.work-nav__center {
  text-align: center;
}

/* --- Works page: カテゴリフィルター --- */

.works-filter {
  padding: 20px clamp(24px, 6vw, 120px);
  border-bottom: 1px solid var(--color-line);
}

.works-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border: 1px solid var(--color-line);
  background: transparent;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  cursor: pointer;
  transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.filter-btn:hover {
  border-color: var(--color-line-strong);
  color: var(--color-text);
}

.filter-btn.is-active {
  border-color: var(--color-line-strong);
  background: var(--color-line-strong);
  color: var(--color-bg);
}

/* --- Works page: 空状態 --- */

.works-empty {
  padding: clamp(48px, 6vw, 80px) 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  color: var(--color-muted);
}

/* --- Works page: コンテンツ wrapper --- */

.works-page {
  padding: clamp(40px, 5vw, 64px) clamp(24px, 6vw, 120px) clamp(80px, 10vw, 120px);
}

/* --- サブページ: ページヒーロー --- */

.page-hero {
  padding: clamp(80px, 10vw, 120px) clamp(24px, 7vw, 120px) clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--color-line);
}

.page-hero__label {
  margin: 0 0 16px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-muted);
}

.page-hero__title {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(52px, 9vw, 112px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.page-hero__sub {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--color-muted);
}

/* --- サブページ: コンテンツ wrapper --- */

.about-page {
  padding: clamp(48px, 6vw, 80px) clamp(24px, 6vw, 120px) clamp(80px, 10vw, 120px);
}

/* --- About: 追加ブロック共通 --- */

.about-block {
  margin-top: clamp(40px, 5vw, 56px);
}

.about-block-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-block-title span {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-muted);
}

/* --- 経歴タイムライン --- */

.career-timeline {
  margin: 0;
  padding-left: 24px;
  border-left: 1px solid var(--color-line);
}

.career-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0 20px;
  padding-bottom: 24px;
}

.career-timeline__item:last-child {
  padding-bottom: 0;
}

.career-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-line-strong);
}

.career-timeline__item dt {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  padding-top: 1px;
}

.career-timeline__item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

/* --- スキルグループ --- */

.skill-group-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 48px;
}

.skill-group__label {
  margin: 0 0 10px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  text-transform: uppercase;
}

.skill-group .skill-list {
  grid-template-columns: 1fr;
  gap: 8px;
}

/* --- 強みリスト --- */

.strength-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.strength-list__item {
  padding: 20px 24px;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.6);
}

.strength-list__item dt {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.strength-list__item dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.85;
}

@media (max-width: 980px) {
  .l-header__inner {
    padding: 0 24px;
  }

  .hero__inner {
    padding: 100px 24px 80px;
  }

  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  html {
    scroll-behavior: auto;
  }

  .l-main {
    padding-top: 104px;
  }

  .l-header {
    top: 12px;
    left: 12px;
    right: 12px;
  }

  .l-header__inner {
    flex-wrap: wrap;
    height: auto;
    gap: 16px;
    padding: 18px 20px;
  }

  .global-nav__list {
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero__inner {
    padding: 80px 20px 70px;
  }

  .hero__title {
    font-size: clamp(40px, 18vw, 92px);
  }

  .hero__text {
    margin-top: 32px;
    font-size: 15px;
  }

  .section {
    padding: 64px 20px;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .section.is-inview .section-heading::before {
    width: 100%;
  }

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

  .work-card__graphic {
    min-height: 180px;
    padding: 24px 20px 20px;
  }

  .work-card__body {
    padding: 24px 20px 26px;
  }

  .work-visual__sub {
    grid-template-columns: 1fr;
  }

  .work-nav {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .work-nav__center {
    grid-column: 1 / -1;
    order: -1;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 4px;
  }

  .career-timeline__item {
    grid-template-columns: 1fr;
    gap: 4px 0;
    padding-bottom: 20px;
  }

  .skill-group-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .strength-list__item {
    padding: 16px 18px;
  }

  .contact-box {
    padding: 32px 22px;
  }

  .l-footer__inner {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .js-reveal,
  .js-scroll-section,
  .hero__title-line,
  .hero__guide-line,
  .work-card__line,
  .line-button::after,
  .global-nav__item a::before,
  .site-logo::after {
    transition: none !important;
  }
}